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Zhang M, Wang X, Wu J, Wang Q, Cui H, Chen X, Zhao Z, Liu S, Ye S. Preparation empty peptide-receptive MHC class I complex for large-scale detection through photolabile peptide ligands. Int J Biol Macromol 2024; 276:133781. [PMID: 38992528 DOI: 10.1016/j.ijbiomac.2024.133781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/24/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Peptide-major histocompatibility complex (pMHC) multimers are wide recognized as the premier technique for detecting, characterizing, and isolating antigen-specific CD8+ T-cell subsets. These multimers are specifically useful in studying infections, autoimmune conditions, and cancer through single-cell analysis techniques such as flow cytometry and fluorescence microscopy. However, the development of high-throughput assays with commercially available pMHC tetramers can be expensive, while in-house production may pose challenges for most biology research laboratories. In this context, we introduce a cost-friendly and uncomplicated protocol to prepare empty MHC class I tetramers using disulfide-stabilized molecules and photolabile peptide ligands. Our method relies on disulfide bond-stabilized MHC-I molecules, which demonstrated stability when folded into stable monomers in the presence of a photolabile epitope. These monomers, upon ultraviolet irradiation and streptavidin binding, efficiently assemble into tetramers devoid of any peptide. Following a short incubation with the peptide of interest under gentle conditions, the resulting pMHC tetramer effectively detects patient-sourced, neoantigen-specific T cells. Our unique approach streamlines large-scale pMHC generation, thus paving the way for advancements in T cell-based diagnostics and personalized therapies.
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Affiliation(s)
- Mengyu Zhang
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Xiangyao Wang
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Junjie Wu
- Jinzhou Medical University, Jinzhou, China
| | - Qiwei Wang
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Haozhe Cui
- School of Medicine, Nankai University, Tianjin, China
| | - Xiaofeng Chen
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Zhiming Zhao
- The Faculty of Hepatopancreatobiliary Surgery, The First Medical Center, Chinese People's Liberation Army General Hospital, Beijing, China.
| | - Si Liu
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.
| | - Sheng Ye
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin Key Laboratory of Function and Application of Biological Macromolecular Structures, School of Life Sciences, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.
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2
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Benhamouda N, Besbes A, Bauer R, Mabrouk N, Gadouas G, Desaint C, Chevrier L, Lefebvre M, Radenne A, Roelens M, Parfait B, Weiskopf D, Sette A, Gruel N, Courbebaisse M, Appay V, Paul S, Gorochov G, Ropers J, Lebbah S, Lelievre JD, Johannes L, Ulmer J, Lebeaux D, Friedlander G, De Lamballerie X, Ravel P, Kieny MP, Batteux F, Durier C, Launay O, Tartour E. Cytokine profile of anti-spike CD4 +T cells predicts humoral and CD8 +T cell responses after anti-SARS-CoV-2 mRNA vaccination. iScience 2024; 27:110441. [PMID: 39104410 PMCID: PMC11298648 DOI: 10.1016/j.isci.2024.110441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/31/2024] [Accepted: 07/01/2024] [Indexed: 08/07/2024] Open
Abstract
Coordinating immune responses - humoral and cellular - is vital for protection against severe Covid-19. Our study evaluates a multicytokine CD4+T cell signature's predictive for post-vaccinal serological and CD8+T cell responses. A cytokine signature composed of four cytokines (IL-2, TNF-α, IP10, IL-9) excluding IFN-γ, and generated through machine learning, effectively predicted the CD8+T cell response following mRNA-1273 or BNT162b2 vaccine administration. Its applicability extends to murine vaccination models, encompassing diverse immunization routes (such as intranasal) and vaccine platforms (including adjuvanted proteins). Notably, we found correlation between CD4+T lymphocyte-produced IL-21 and the humoral response. Consequently, we propose a test that offers a rapid overview of integrated immune responses. This approach holds particular relevance for scenarios involving immunocompromised patients because they often have low cell counts (lymphopenia) or pandemics. This study also underscores the pivotal role of CD4+T cells during a vaccine response and highlights their value in vaccine immunomonitoring.
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Affiliation(s)
- Nadine Benhamouda
- Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
- Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
| | - Anissa Besbes
- Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
- Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
| | | | - Nesrine Mabrouk
- Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
| | - Gauthier Gadouas
- Bioinformatics and Cancer System Biology Team, IRCM-INSERM U1194, Institut de Recherche en Cancerologie de Montpellier, Montpellier, France
| | - Corinne Desaint
- INSERM SC10-US019, Villejuif, France
- Université Paris Cité, INSERM, CIC 1417, F-CRIN, Innovative Clinical Research Network in Vaccinology (I-REIVAC), APHP, CIC Cochin Pasteur, Hôpital Cochin, Paris, France
| | - Lucie Chevrier
- Université Paris Cité, INSERM U1016 Insitut Cochin, Hôpital Cochin, APHP, Centre Service d’immunologie Biologique, Paris, France
| | - Maeva Lefebvre
- Service de maladies infectieuses et tropicales, Centre de prévention des maladies infectieuses et transmissibles CHU de Nantes, Nantes, France
| | - Anne Radenne
- Unité de Recherche Clinique des Hôpitaux Universitaires Pitié Salpêtrière-Hôpitaux Universitaires Pitié Salpêtrière - Charles Foix, APHP, Paris, France
| | - Marie Roelens
- Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
- Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
| | - Béatrice Parfait
- Centre de ressources Biologiques, Hôpital Cochin, APHP, Paris, France
| | - Daniela Weiskopf
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, USA
- Department of Medicine, School of Medicine in Health Sciences, University of California, San Diego (UCSD), La Jolla, CA, USA
| | - Alessandro Sette
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, USA
| | - Nadège Gruel
- INSERM U830, Équipe Labellisée Ligue Nationale Contre le Cancer, Diversity and Plasticity of Childhood Tumors Lab, Centre de Recherche, Institut Curie, Université PSL, Paris, France
- Department of Translational Research, Centre de Recherche, Institut Curie, Université PSL, Paris, France
| | - Marie Courbebaisse
- Faculté de Médecine, Université Paris Cité, Paris, France
- Explorations fonctionnelles rénales, Physiologie, Hôpital Européen Georges-Pompidou, APHP, Paris, France
| | - Victor Appay
- Université de Bordeaux, CNRS UMR 5164, INSERM ERL 1303, ImmunoConcEpT, 33000 Bordeaux, France
- International Research Center of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Stephane Paul
- Centre International de Recherche en Infectiologie, Team GIMAP, Université Jean Monnet, Université Claude Bernard Lyon, INSERM, CIC 1408 INSERM Vaccinology, Immunology Department, iBiothera Reference Center, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Guy Gorochov
- Sorbonne Université, INSERM, Centre d'Immunologie et des Maladies Infectieuses, APHP, Hôpital Pitié-Salpêtrière, Paris, France
| | - Jacques Ropers
- Unité de Recherche Clinique des Hôpitaux Universitaires Pitié Salpêtrière –Hôpitaux Universitaires Pitié Salpêtrière- Charles Foix, APHP, Paris, France
| | - Said Lebbah
- Unité de Recherche Clinique des Hôpitaux Universitaires Pitié Salpêtrière –Hôpitaux Universitaires Pitié Salpêtrière- Charles Foix, APHP, Paris, France
| | - Jean-Daniel Lelievre
- Vaccine Research Institute, Créteil, France
- INSERM U955, Université Paris-Est Créteil, Créteil, France
- Groupe Henri-Mondor Albert-Chenevier, APHP, Créteil, France
| | - Ludger Johannes
- Cellular and Chemical Biology Unit, U1143 INSERM, UMR3666 CNRS, Institut Curie, Centre de Recherche, Université PSL, Paris, France
| | - Jonathan Ulmer
- Cellular and Chemical Biology Unit, U1143 INSERM, UMR3666 CNRS, Institut Curie, Centre de Recherche, Université PSL, Paris, France
| | - David Lebeaux
- Université Paris Cité, Service de maladies infectieuses Hôpital Saint Louis/Lariboisère APHP, INSERM, Paris, France
| | - Gerard Friedlander
- Department of « Croissance et Signalisation », Institut Necker Enfants Malades, INSERM U1151, CNRS UMR 8253, Université de Paris Cité, Paris, France
| | - Xavier De Lamballerie
- Unité des Virus Émergents, UVE: Aix-Marseille Université, IRD 190, INSERM 1207 Marseille, France
| | - Patrice Ravel
- Bioinformatics and Cancer System Biology Team, IRCM-INSERM U1194, Institut de Recherche en Cancerologie de Montpellier, Montpellier, France
| | - Marie Paule Kieny
- Institut National de la Santé et de la Recherche Médicale, INSERM, Paris, France
| | - Fréderic Batteux
- Université Paris Cité, INSERM U1016 Insitut Cochin, Hôpital Cochin, APHP, Centre Service d’immunologie Biologique, Paris, France
| | | | - Odile Launay
- Université Paris Cité, INSERM, CIC 1417, F-CRIN, Innovative Clinical Research Network in Vaccinology (I-REIVAC), APHP, CIC Cochin Pasteur, Hôpital Cochin, Paris, France
| | - Eric Tartour
- Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
- Université Paris Cité, INSERM U970, PARCC, Department of Immunology, Hôpital Européen Georges-Pompidou, Hôpital Necker Department of Immunology, Paris, France
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Khalid K, Lim HX, Hwang JS, Poh CL. The Development of Epitope-Based Recombinant Protein Vaccines against SARS-CoV-2. AAPS J 2024; 26:93. [PMID: 39138686 DOI: 10.1208/s12248-024-00963-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 07/27/2024] [Indexed: 08/15/2024] Open
Abstract
The COVID-19 pandemic continues to cause infections and deaths, which are attributable to the SARS-CoV-2 Omicron variant of concern (VOC). Moderna's response to the declining protective efficacies of current SARS-CoV-2 vaccines against Omicron was to develop a bivalent booster vaccine based on the Spike (S) protein from the Wuhan and Omicron BA.4/BA.5 strains. This approach, while commendable, is unfeasible in light of rapidly emerging mutated viral strains. PubMed and Google Scholar were systematically reviewed for peer-reviewed papers up to January 2024. Articles included focused on specific themes such as the clinical history of recombinant protein vaccine development against different diseases, including COVID-19, the production of recombinant protein vaccines using different host expression systems, aspects to consider in recombinant protein vaccine development, and overcoming problems associated with large-scale recombinant protein vaccine production. In silico approaches to identify conserved and immunogenic epitopes could provide broad protection against SARS-CoV-2 VOCs but require validation in animal models. The recombinant protein vaccine development platform has shown a successful history in clinical development. Recombinant protein vaccines incorporating conserved epitopes may utilize a number of expression systems, such as yeast (Saccharomyces cerevisiae), baculovirus-insect cells (Sf9 cells), and Escherichia coli (E. coli). Current multi-epitope subunit vaccines against SARS-CoV-2 utilizing synthetic peptides are unfeasible for large-scale immunizations. Recombinant protein vaccines based on conserved and immunogenic proteins produced using E. coli offer high production yields, convenient purification, and cost-effective production of large-scale vaccine quantities capable of protecting against the SARS-CoV-2 D614G strain and its VOCs.
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Affiliation(s)
- Kanwal Khalid
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, Bandar Sunway, Petaling Jaya, Selangor, 47500, Malaysia
| | - Hui Xuan Lim
- Sunway Microbiome Centre, School of Medical and Life Sciences, Sunway University, Bandar Sunway, Petaling Jaya, Selangor, 47500, Malaysia
| | - Jung Shan Hwang
- Department of Medical Sciences, School of Medical and Life Sciences, Sunway University, Bandar Sunway, Petaling Jaya, Selangor, 47500, Malaysia
| | - Chit Laa Poh
- ALPS Global Holding Berhad, 1 Jalan 1/68F, Off Jalan Tun Razak, Kuala Lumpur, 50400, Malaysia.
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4
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Leekha A, Saeedi A, Sefat KMSR, Kumar M, Martinez-Paniagua M, Damian A, Kulkarni R, Reichel K, Rezvan A, Masoumi S, Liu X, Cooper LJN, Sebastian M, Sands CM, Das VE, Patel NB, Hurst B, Varadarajan N. Multi-antigen intranasal vaccine protects against challenge with sarbecoviruses and prevents transmission in hamsters. Nat Commun 2024; 15:6193. [PMID: 39043645 PMCID: PMC11266618 DOI: 10.1038/s41467-024-50133-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 07/01/2024] [Indexed: 07/25/2024] Open
Abstract
Immunization programs against SARS-CoV-2 with commercial intramuscular vaccines prevent disease but are less efficient in preventing infections. Mucosal vaccines can provide improved protection against transmission, ideally for different variants of concern (VOCs) and related sarbecoviruses. Here, we report a multi-antigen, intranasal vaccine, NanoSTING-SN (NanoSTING-Spike-Nucleocapsid), eliminates virus replication in both the lungs and the nostrils upon challenge with the pathogenic SARS-CoV-2 Delta VOC. We further demonstrate that NanoSTING-SN prevents transmission of the SARS-CoV-2 Omicron VOC (BA.5) to vaccine-naïve hamsters. To evaluate protection against other sarbecoviruses, we immunized mice with NanoSTING-SN. We showed that immunization affords protection against SARS-CoV, leading to protection from weight loss and 100% survival in mice. In non-human primates, animals immunized with NanoSTING-SN show durable serum IgG responses (6 months) and nasal wash IgA responses cross-reactive to SARS-CoV-2 (XBB1.5), SARS-CoV and MERS-CoV antigens. These observations have two implications: (1) mucosal multi-antigen vaccines present a pathway to reducing transmission of respiratory viruses, and (2) eliciting immunity against multiple antigens can be advantageous in engineering pan-sarbecovirus vaccines.
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Affiliation(s)
- Ankita Leekha
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Arash Saeedi
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - K M Samiur Rahman Sefat
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Monish Kumar
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Melisa Martinez-Paniagua
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Adrian Damian
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Rohan Kulkarni
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Kate Reichel
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Ali Rezvan
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA
| | - Shalaleh Masoumi
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, USA
| | - Xinli Liu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, USA
| | | | | | | | - Vallabh E Das
- College of Optometry, University of Houston, Houston, TX, USA
| | - Nimesh B Patel
- College of Optometry, University of Houston, Houston, TX, USA
| | - Brett Hurst
- Institute of Antiviral Research, Utah State University, UT, Logan, USA
| | - Navin Varadarajan
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, USA.
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5
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Valiate BVS, Castro JTD, Marçal TG, Andrade LAF, Oliveira LID, Maia GBF, Faustino LP, Hojo-Souza NS, Reis MAAD, Bagno FF, Salazar N, Teixeira SR, Almeida GG, Gazzinelli RT. Evaluation of an RBD-nucleocapsid fusion protein as a booster candidate for COVID-19 vaccine. iScience 2024; 27:110177. [PMID: 38993669 PMCID: PMC11238127 DOI: 10.1016/j.isci.2024.110177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 04/30/2024] [Accepted: 05/31/2024] [Indexed: 07/13/2024] Open
Abstract
Despite successful vaccines and updates, constant mutations of SARS-CoV-2 makes necessary the search for new vaccines. We generated a chimeric protein that comprises the receptor-binding domain from spike and the nucleocapsid antigens (SpiN) from SARS-CoV-2. Once SpiN elicits a protective immune response in rodents, here we show that convalescent and previously vaccinated individuals respond to SpiN. CD4+ and CD8+ T cells from these individuals produced greater amounts of IFN-γ when stimulated with SpiN, compared to SARS-CoV-2 antigens. Also, B cells from these individuals were able to secrete antibodies that recognize SpiN. When administered as a boost dose in mice previously immunized with CoronaVac, ChAdOx1-S or BNT162b2, SpiN was able to induce a greater or equivalent immune response to homologous prime/boost. Our data reveal the ability of SpiN to induce cellular and humoral responses in vaccinated human donors, rendering it a promising candidate.
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Affiliation(s)
- Bruno Vinicius Santos Valiate
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Julia Teixeira de Castro
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | | | - Luis Adan Flores Andrade
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Livia Isabela de Oliveira
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Fundação Hospitalar do Estado de Minas Gerais, Belo Horizonte 31.630-901, MG, Brazil
| | | | | | - Natalia S Hojo-Souza
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | | | - Flávia Fonseca Bagno
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Natalia Salazar
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Santuza R Teixeira
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Gregório Guilherme Almeida
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
| | - Ricardo Tostes Gazzinelli
- Fundação Oswaldo Cruz-Minas, Belo Horizonte 30.190-002, MG, Brazil
- Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Parque Tecnológico de Belo Horizonte, Belo Horizonte 31.310-260, MG, Brazil
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6
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Richards KA, Changrob S, Thomas PG, Wilson PC, Sant AJ. Lack of memory recall in human CD4 T cells elicited by the first encounter with SARS-CoV-2. iScience 2024; 27:109992. [PMID: 38868209 PMCID: PMC11166706 DOI: 10.1016/j.isci.2024.109992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/11/2024] [Accepted: 05/13/2024] [Indexed: 06/14/2024] Open
Abstract
The studies reported here focus on the impact of pre-existing CD4 T cell immunity on the first encounter with SARS-CoV-2. They leverage PBMC samples from plasma donors collected after a first SARS-CoV-2 infection, prior to vaccine availability and compared to samples collected prior to the emergence of SARS-CoV-2. Analysis of CD4 T cell specificity across the entire SARS-CoV-2 proteome revealed that the recognition of SARS-CoV-2-derived epitopes by CD4 memory cells prior to the pandemic are enriched for reactivity toward non-structural proteins conserved across endemic CoV strains. However, CD4 T cells after primary infection with SARS-CoV-2 focus on epitopes from structural proteins. We observed little evidence for preferential recall to epitopes conserved between SARS-CoV-2 and seasonal CoV, a finding confirmed through use of selectively curated conserved and SARS-unique peptides. Our data suggest that SARS-CoV-2 CD4 T cells elicited by the first infection are primarily established from the naive CD4 T cell pool.
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Affiliation(s)
- Katherine A. Richards
- David H. Smith Center for Vaccine Biology and Immunology, University of Rochester Medical Center, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Siriruk Changrob
- Drukier Institute for Children’s Health, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065, USA
| | - Paul G. Thomas
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Patrick C. Wilson
- Drukier Institute for Children’s Health, Department of Pediatrics, Weill Cornell Medicine, New York, NY 10065, USA
| | - Andrea J. Sant
- David H. Smith Center for Vaccine Biology and Immunology, University of Rochester Medical Center, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
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7
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Bean DJ, Monroe J, Liang YM, Borberg E, Senussi Y, Swank Z, Chalise S, Walt D, Weinberg J, Sagar M. Heterotypic immunity from prior SARS-CoV-2 infection but not COVID-19 vaccination associates with lower endemic coronavirus incidence. Sci Transl Med 2024; 16:eado7588. [PMID: 38865483 DOI: 10.1126/scitranslmed.ado7588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 05/07/2024] [Indexed: 06/14/2024]
Abstract
Immune responses from prior severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and COVID-19 vaccination mitigate disease severity, but they do not fully prevent subsequent infections, especially from genetically divergent strains. We examined the incidence of and immune differences against human endemic coronaviruses (eCoVs) as a proxy for response against future genetically heterologous coronaviruses (CoVs). We assessed differences in symptomatic eCoV and non-CoV respiratory disease incidence among those with known prior SARS-CoV-2 infection or previous COVID-19 vaccination but no documented SARS-CoV-2 infection or neither exposure. Retrospective cohort analyses suggest that prior SARS-CoV-2 infection, but not previous COVID-19 vaccination alone, associates with a lower incidence of subsequent symptomatic eCoV infection. There was no difference in non-CoV incidence, implying that the observed difference was eCoV specific. In a second cohort where both cellular and humoral immunity were measured, those with prior SARS-CoV-2 spike protein exposure had lower eCoV-directed neutralizing antibodies, suggesting that neutralization is not responsible for the observed decreased eCoV disease. The three groups had similar cellular responses against the eCoV spike protein and nucleocapsid antigens. However, CD8+ T cell responses to the nonstructural eCoV proteins nsp12 and nsp13 were higher in individuals with previous SARS-CoV-2 infection as compared with the other groups. This association between prior SARS-CoV-2 infection and decreased incidence of eCoV disease may therefore be due to a boost in CD8+ T cell responses against eCoV nsp12 and nsp13, suggesting that incorporation of nonstructural viral antigens in a future pan-CoV vaccine may improve vaccine efficacy.
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Affiliation(s)
- David J Bean
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Janet Monroe
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Yan Mei Liang
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Ella Borberg
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02215, USA
| | - Yasmeen Senussi
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02215, USA
| | - Zoe Swank
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02215, USA
| | - Sujata Chalise
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02215, USA
| | - David Walt
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02215, USA
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, MA 02118, USA
| | - Manish Sagar
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
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8
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Hanssen DAT, Arts K, Nix WHV, Sweelssen NNB, Welbers TTJ, de Theije C, Wieten L, Pagen DME, Brinkhues S, Penders J, Dukers-Muijrers NHTM, Hoebe CJPA, Savelkoul PHM, van Loo IHM. SARS-CoV-2 cellular and humoral responses in vaccine-naive individuals during the first two waves of COVID-19 infections in the southern region of The Netherlands: a cross-sectional population-based study. Microbiol Spectr 2024; 12:e0012624. [PMID: 38686954 PMCID: PMC11237656 DOI: 10.1128/spectrum.00126-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 04/08/2024] [Indexed: 05/02/2024] Open
Abstract
With the emergence of highly transmissible variants of concern, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) still poses a global threat of coronavirus disease 2019 (COVID-19) resurgence. Cellular responses to novel variants are more robustly maintained than humoral responses, and therefore, cellular responses are of interest in assessing immune protection against severe disease in the population. We aimed to assess cellular responses to SARS-CoV-2 at the population level. IFNγ (interferon γ) responses to wild-type SARS-CoV-2 were analyzed using an ELISpot assay in vaccine-naive individuals with different humoral responses: Ig (IgM and/or IgG) seronegative (n = 90) and seropositive (n = 181) with low (<300 U/mL) or high (≥300 U/mL) humoral responses to the spike receptor binding domain (anti-S-RBD). Among the seropositive participants, 71.3% (129/181) were IFNγ ELISpot positive, compared to 15.6% (14/90) among the seronegative participants. Common COVID-19 symptoms such as fever and ageusia were associated with IFNγ ELISpot positivity in seropositive participants, whereas no participant characteristics were associated with IFNγ ELISpot positivity in seronegative participants. Fever and/or dyspnea and anti-S-RBD levels were associated with higher IFNγ responses. Symptoms of more severe disease and higher anti-S-RBD responses were associated with higher IFNγ responses. A significant proportion (15.6%) of seronegative participants had a positive IFNγ ELISpot. Assessment of cellular responses may improve estimates of the immune response to SARS-CoV-2 in the general population. IMPORTANCE Data on adaptive cellular immunity are of interest to define immune protection against severe acute respiratory syndrome coronavirus 2 in a population, which is important for decision-making on booster-vaccination strategies. This study provides data on associations between participant characteristics and cellular immune responses in vaccine-naive individuals with different humoral responses.
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Affiliation(s)
- D. A. T. Hanssen
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
| | - K. Arts
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
| | - W. H. V. Nix
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
| | - N. N. B. Sweelssen
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
| | - T. T. J. Welbers
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
| | - C. de Theije
- BioBank Maastricht UMC+, Maastricht University Medical Center, Maastricht, The Netherlands
| | - L. Wieten
- Department of Transplantation Immunology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - D. M. E. Pagen
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
- Department of Sexual Health, Infectious Diseases and Environmental Health, Living Lab Public Health, Public Health Service (GGD) South Limburg, Heerlen, The Netherlands
- Department of Social Medicine, Maastricht University, Maastricht, The Netherlands
| | - S. Brinkhues
- Department of Knowledge and Innovation, Public Health Service (GGD) South Limburg, Heerlen, The Netherlands
| | - J. Penders
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
- Department of Medical Microbiology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University Medical Center, Maastricht, The Netherlands
| | - N. H. T. M. Dukers-Muijrers
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
- Department of Sexual Health, Infectious Diseases and Environmental Health, Living Lab Public Health, Public Health Service (GGD) South Limburg, Heerlen, The Netherlands
- Department of Health Promotion, Maastricht University, Maastricht, The Netherlands
| | - C. J. P. A. Hoebe
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
- Department of Sexual Health, Infectious Diseases and Environmental Health, Living Lab Public Health, Public Health Service (GGD) South Limburg, Heerlen, The Netherlands
- Department of Social Medicine, Maastricht University, Maastricht, The Netherlands
| | - P. H. M. Savelkoul
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
| | - I. H. M. van Loo
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
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9
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Pavia G, Quirino A, Marascio N, Veneziano C, Longhini F, Bruni A, Garofalo E, Pantanella M, Manno M, Gigliotti S, Giancotti A, Barreca GS, Branda F, Torti C, Rotundo S, Lionello R, La Gamba V, Berardelli L, Gullì SP, Trecarichi EM, Russo A, Palmieri C, De Marco C, Viglietto G, Casu M, Sanna D, Ciccozzi M, Scarpa F, Matera G. Persistence of SARS-CoV-2 infection and viral intra- and inter-host evolution in COVID-19 hospitalized patients. J Med Virol 2024; 96:e29708. [PMID: 38804179 DOI: 10.1002/jmv.29708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/11/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024]
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) persistence in COVID-19 patients could play a key role in the emergence of variants of concern. The rapid intra-host evolution of SARS-CoV-2 may result in an increased transmissibility, immune and therapeutic escape which could be a direct consequence of COVID-19 epidemic currents. In this context, a longitudinal retrospective study on eight consecutive COVID-19 patients with persistent SARS-CoV-2 infection, from January 2022 to March 2023, was conducted. To characterize the intra- and inter-host viral evolution, whole genome sequencing and phylogenetic analysis were performed on nasopharyngeal samples collected at different time points. Phylogenetic reconstruction revealed an accelerated SARS-CoV-2 intra-host evolution and emergence of antigenically divergent variants. The Bayesian inference and principal coordinate analysis analysis showed a host-based genomic structuring among antigenically divergent variants, that might reflect the positive effect of containment practices, within the critical hospital area. All longitudinal antigenically divergent isolates shared a wide range of amino acidic (aa) changes, particularly in the Spike (S) glycoprotein, that increased viral transmissibility (K417N, S477N, N501Y and Q498R), enhanced infectivity (R346T, S373P, R408S, T478K, Q498R, Y505H, D614G, H655Y, N679K and P681H), caused host immune escape (S371L, S375F, T376A, K417N, and K444T/R) and displayed partial or complete resistance to treatments (G339D, R346K/T, S371F/L, S375F, T376A, D405N, N440K, G446S, N460K, E484A, F486V, Q493R, G496S and Q498R). These results suggest that multiple novel variants which emerge in the patient during persistent infection, might spread to another individual and continue to evolve. A pro-active genomic surveillance of persistent SARS-CoV-2 infected patients is recommended to identify genetically divergent lineages before their diffusion.
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Affiliation(s)
- Grazia Pavia
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Angela Quirino
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Nadia Marascio
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Claudia Veneziano
- Department of Experimental and Clinical Medicine, "Magna Graecia" University of Catanzaro, Catanzaro, Italy
- Interdepartmental Center of Services (CIS), Molecular Genomics and Pathology, "Magna Græcia" University of Catanzaro, Catanzaro, Italy
| | - Federico Longhini
- Unit of Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Andrea Bruni
- Unit of Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Eugenio Garofalo
- Unit of Anesthesia and Intensive Care, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Marta Pantanella
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Michele Manno
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Simona Gigliotti
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Aida Giancotti
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Giorgio Settimo Barreca
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Francesco Branda
- Unit of Medical Statistics and Molecular Epidemiology, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Carlo Torti
- Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
- Dipartimento di Sicurezza e Bioetica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Salvatore Rotundo
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Rosaria Lionello
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Valentina La Gamba
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Lavinia Berardelli
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Sara Palma Gullì
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Enrico Maria Trecarichi
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Alessandro Russo
- Unit of Infectious and Tropical Disease, Department of Medical and Surgical Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
| | - Camillo Palmieri
- Department of Experimental and Clinical Medicine, "Magna Graecia" University of Catanzaro, Catanzaro, Italy
| | - Carmela De Marco
- Department of Experimental and Clinical Medicine, "Magna Graecia" University of Catanzaro, Catanzaro, Italy
- Interdepartmental Center of Services (CIS), Molecular Genomics and Pathology, "Magna Græcia" University of Catanzaro, Catanzaro, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, "Magna Graecia" University of Catanzaro, Catanzaro, Italy
- Interdepartmental Center of Services (CIS), Molecular Genomics and Pathology, "Magna Græcia" University of Catanzaro, Catanzaro, Italy
| | - Marco Casu
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Daria Sanna
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Massimo Ciccozzi
- Unit of Medical Statistics and Molecular Epidemiology, Università Campus Bio-Medico di Roma, Rome, Italy
| | - Fabio Scarpa
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Giovanni Matera
- Unit of Clinical Microbiology, Department of Health Sciences, "Magna Græcia" University Hospital, Catanzaro, Italy
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10
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Delmonte OM, Oguz C, Dobbs K, Myint-Hpu K, Palterer B, Abers MS, Draper D, Truong M, Kaplan IM, Gittelman RM, Zhang Y, Rosen LB, Snow AL, Dalgard CL, Burbelo PD, Imberti L, Sottini A, Quiros-Roldan E, Castelli F, Rossi C, Brugnoni D, Biondi A, Bettini LR, D'Angio M, Bonfanti P, Anderson MV, Saracino A, Chironna M, Di Stefano M, Fiore JR, Santantonio T, Castagnoli R, Marseglia GL, Magliocco M, Bosticardo M, Pala F, Shaw E, Matthews H, Weber SE, Xirasagar S, Barnett J, Oler AJ, Dimitrova D, Bergerson JRE, McDermott DH, Rao VK, Murphy PM, Holland SM, Lisco A, Su HC, Lionakis MS, Cohen JI, Freeman AF, Snyder TM, Lack J, Notarangelo LD. Perturbations of the T-cell receptor repertoire in response to SARS-CoV-2 in immunocompetent and immunocompromised individuals. J Allergy Clin Immunol 2024; 153:1655-1667. [PMID: 38154666 PMCID: PMC11162338 DOI: 10.1016/j.jaci.2023.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND Functional T-cell responses are essential for virus clearance and long-term protection after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, whereas certain clinical factors, such as older age and immunocompromise, are associated with worse outcome. OBJECTIVE We sought to study the breadth and magnitude of T-cell responses in patients with coronavirus disease 2019 (COVID-19) and in individuals with inborn errors of immunity (IEIs) who had received COVID-19 mRNA vaccine. METHODS Using high-throughput sequencing and bioinformatics tools to characterize the T-cell receptor β repertoire signatures in 540 individuals after SARS-CoV-2 infection, 31 IEI recipients of COVID-19 mRNA vaccine, and healthy controls, we quantified HLA class I- and class II-restricted SARS-CoV-2-specific responses and also identified several HLA allele-clonotype motif associations in patients with COVID-19, including a subcohort of anti-type 1 interferon (IFN-1)-positive patients. RESULTS Our analysis revealed that elderly patients with COVID-19 with critical disease manifested lower SARS-CoV-2 T-cell clonotype diversity as well as T-cell responses with reduced magnitude, whereas the SARS-CoV-2-specific clonotypes targeted a broad range of HLA class I- and class II-restricted epitopes across the viral proteome. The presence of anti-IFN-I antibodies was associated with certain HLA alleles. Finally, COVID-19 mRNA immunization induced an increase in the breadth of SARS-CoV-2-specific clonotypes in patients with IEIs, including those who had failed to seroconvert. CONCLUSIONS Elderly individuals have impaired capacity to develop broad and sustained T-cell responses after SARS-CoV-2 infection. Genetic factors may play a role in the production of anti-IFN-1 antibodies. COVID-19 mRNA vaccines are effective in inducing T-cell responses in patients with IEIs.
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Affiliation(s)
- Ottavia M Delmonte
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
| | - Cihan Oguz
- Integrated Data Sciences Section, Research Technology Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Kerry Dobbs
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Katherine Myint-Hpu
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Boaz Palterer
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Michael S Abers
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Deborah Draper
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Meng Truong
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | | | | | - Yu Zhang
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Lindsey B Rosen
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Andrew L Snow
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md; Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Md
| | - Clifton L Dalgard
- Department of Anatomy, Physiology & Genetics, Uniformed Services University of the Health Sciences, Bethesda, Md; The American Genome Center, Uniformed Services University of the Health Sciences, Bethesda, Md
| | - Peter D Burbelo
- Adeno-Associated Virus Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Md
| | - Luisa Imberti
- Section of Microbiology, University of Brescia, ASST Spedali Civili, Brescia, Italy
| | - Alessandra Sottini
- Section of Microbiology, University of Brescia, ASST Spedali Civili, Brescia, Italy
| | - Eugenia Quiros-Roldan
- Department of Infectious and Tropical Diseases, University of Brescia, ASST Spedali Civili, Brescia, Italy
| | - Francesco Castelli
- Department of Infectious and Tropical Diseases, University of Brescia, ASST Spedali Civili, Brescia, Italy
| | - Camillo Rossi
- Direzione Sanitaria, ASST Spedali Civili, Brescia, Italy
| | - Duilio Brugnoni
- Laboratorio Analisi Chimico-Cliniche, ASST Spedali Civili, Brescia, Italy
| | - Andrea Biondi
- Pediatric Department and Centro Tettamanti-European Reference Network on Paediatric Cancer, European Reference Network on Haematological Diseases, and European Reference Network on Hereditary Metabolic Disorders, University of Milano-Bicocca-Fondazione MBBM, Monza, Italy
| | - Laura Rachele Bettini
- Pediatric Department and Centro Tettamanti-European Reference Network on Paediatric Cancer, European Reference Network on Haematological Diseases, and European Reference Network on Hereditary Metabolic Disorders, University of Milano-Bicocca-Fondazione MBBM, Monza, Italy
| | - Mariella D'Angio
- Pediatric Department and Centro Tettamanti-European Reference Network on Paediatric Cancer, European Reference Network on Haematological Diseases, and European Reference Network on Hereditary Metabolic Disorders, University of Milano-Bicocca-Fondazione MBBM, Monza, Italy
| | - Paolo Bonfanti
- Department of Infectious Diseases, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Megan V Anderson
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Annalisa Saracino
- Clinic of Infectious Diseases, Azienda Ospedaliero-Universitaria Consorziale Policlinico di Bari, University of Bari, Bari, Italy
| | - Maria Chironna
- Hygiene Section, Department of Interdisciplinary Medicine, University of Bari Aldo Moro, Bari, Italy
| | - Mariantonietta Di Stefano
- Department of Medical and Surgical Sciences, Section of Infectious Diseases, University of Foggia, Foggia, Italy
| | - Jose Ramon Fiore
- Department of Medical and Surgical Sciences, Section of Infectious Diseases, University of Foggia, Foggia, Italy
| | - Teresa Santantonio
- Department of Medical and Surgical Sciences, Section of Infectious Diseases, University of Foggia, Foggia, Italy
| | - Riccardo Castagnoli
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy; Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Gian Luigi Marseglia
- Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy; Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Mary Magliocco
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Marita Bosticardo
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Francesca Pala
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Elana Shaw
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Helen Matthews
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Sarah E Weber
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Sandhya Xirasagar
- Bioinformatics and Computational Biosciences Branch, Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Jason Barnett
- Bioinformatics and Computational Biosciences Branch, Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Andrew J Oler
- Bioinformatics and Computational Biosciences Branch, Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Dimana Dimitrova
- Center for Immuno-Oncology, National Cancer Institute, National Institutes of Health, Bethesda, Md
| | - Jenna R E Bergerson
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - David H McDermott
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - V Koneti Rao
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Philip M Murphy
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Steven M Holland
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Andrea Lisco
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Helen C Su
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Michail S Lionakis
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Jeffrey I Cohen
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Alexandra F Freeman
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | | | - Justin Lack
- Integrated Data Sciences Section, Research Technology Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
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11
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Chwa JS, Kim M, Lee Y, Cheng WA, Shin Y, Jumarang J, Bender JM, Pannaraj PS. Detection of SARS-CoV-2-Specific Secretory IgA and Neutralizing Antibodies in the Nasal Secretions of Exposed Seronegative Individuals. Viruses 2024; 16:852. [PMID: 38932145 PMCID: PMC11209246 DOI: 10.3390/v16060852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/28/2024] Open
Abstract
Mucosal immunity may contribute to clearing SARS-CoV-2 infection prior to systemic infection, thereby allowing hosts to remain seronegative. We describe the meaningful detection of SARS-CoV-2-specific nasal mucosal antibodies in a group of exposed-household individuals that evaded systemic infection. Between June 2020 and February 2023, nasopharyngeal swab (NPS) and acute and convalescent blood were collected from individuals exposed to a SARS-CoV-2-confirmed household member. Nasal secretory IgA (SIgA) antibodies targeting the SARS-CoV-2 spike protein were measured using a modified ELISA. Of the 36 exposed individuals without SARS-CoV-2 detected by the RT-PCR of NPS specimens and seronegative for SARS-CoV-2-specific IgG at enrollment and convalescence, 13 (36.1%) had positive SARS-CoV-2-specific SIgA levels detected in the nasal mucosa at enrollment. These individuals had significantly higher nasal SIgA (median 0.52 AU/mL) compared with never-exposed, never-infected controls (0.001 AU/mL) and infected-family participants (0.0002 AU/mL) during the acute visit, respectively (both p < 0.001). The nasal SARS-CoV-2-specific SIgA decreased rapidly over two weeks in the exposed seronegative individuals compared to a rise in SIgA in infected-family members. The nasal SARS-CoV-2-specific SIgA may have a protective role in preventing systemic infection.
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Affiliation(s)
- Jason S. Chwa
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA;
- Division of Infectious Diseases, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA;
| | - Minjun Kim
- Division of Infectious Diseases, Department of Pediatrics, University of California San Diego, San Diego, CA 92093, USA; (M.K.); (Y.L.); (W.A.C.); (J.J.)
| | - Yesun Lee
- Division of Infectious Diseases, Department of Pediatrics, University of California San Diego, San Diego, CA 92093, USA; (M.K.); (Y.L.); (W.A.C.); (J.J.)
| | - Wesley A. Cheng
- Division of Infectious Diseases, Department of Pediatrics, University of California San Diego, San Diego, CA 92093, USA; (M.K.); (Y.L.); (W.A.C.); (J.J.)
| | - Yunho Shin
- Division of Infectious Diseases, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA;
| | - Jaycee Jumarang
- Division of Infectious Diseases, Department of Pediatrics, University of California San Diego, San Diego, CA 92093, USA; (M.K.); (Y.L.); (W.A.C.); (J.J.)
| | - Jeffrey M. Bender
- Department of Pediatrics, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA;
| | - Pia S. Pannaraj
- Division of Infectious Diseases, Department of Pediatrics, University of California San Diego, San Diego, CA 92093, USA; (M.K.); (Y.L.); (W.A.C.); (J.J.)
- Division of Infectious Diseases, Rady Children’s Hospital, San Diego, CA 92123, USA
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12
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Ansari M, White AD. Learning peptide properties with positive examples only. DIGITAL DISCOVERY 2024; 3:977-986. [PMID: 38756224 PMCID: PMC11094695 DOI: 10.1039/d3dd00218g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 03/30/2024] [Indexed: 05/18/2024]
Abstract
Deep learning can create accurate predictive models by exploiting existing large-scale experimental data, and guide the design of molecules. However, a major barrier is the requirement of both positive and negative examples in the classical supervised learning frameworks. Notably, most peptide databases come with missing information and low number of observations on negative examples, as such sequences are hard to obtain using high-throughput screening methods. To address this challenge, we solely exploit the limited known positive examples in a semi-supervised setting, and discover peptide sequences that are likely to map to certain antimicrobial properties via positive-unlabeled learning (PU). In particular, we use the two learning strategies of adapting base classifier and reliable negative identification to build deep learning models for inferring solubility, hemolysis, binding against SHP-2, and non-fouling activity of peptides, given their sequence. We evaluate the predictive performance of our PU learning method and show that by only using the positive data, it can achieve competitive performance when compared with the classical positive-negative (PN) classification approach, where there is access to both positive and negative examples.
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Affiliation(s)
- Mehrad Ansari
- Department of Chemical Engineering, University of Rochester Rochester NY 14627 USA
| | - Andrew D White
- Department of Chemical Engineering, University of Rochester Rochester NY 14627 USA
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13
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Weisbrod L, Capriotti L, Hofmann M, Spieler V, Dersch H, Voedisch B, Schmidt P, Knake S. FASTMAP-a flexible and scalable immunopeptidomics pipeline for HLA- and antigen-specific T-cell epitope mapping based on artificial antigen-presenting cells. Front Immunol 2024; 15:1386160. [PMID: 38779658 PMCID: PMC11109385 DOI: 10.3389/fimmu.2024.1386160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 04/17/2024] [Indexed: 05/25/2024] Open
Abstract
The study of peptide repertoires presented by major histocompatibility complex (MHC) molecules and the identification of potential T-cell epitopes contribute to a multitude of immunopeptidome-based treatment approaches. Epitope mapping is essential for the development of promising epitope-based approaches in vaccination as well as for innovative therapeutics for autoimmune diseases, infectious diseases, and cancer. It also plays a critical role in the immunogenicity assessment of protein therapeutics with regard to safety and efficacy concerns. The main challenge emerges from the highly polymorphic nature of the human leukocyte antigen (HLA) molecules leading to the requirement of a peptide mapping strategy for a single HLA allele. As many autoimmune diseases are linked to at least one specific antigen, we established FASTMAP, an innovative strategy to transiently co-transfect a single HLA allele combined with a disease-specific antigen into a human cell line. This approach allows the specific identification of HLA-bound peptides using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Using FASTMAP, we found a comparable spectrum of endogenous peptides presented by the most frequently expressed HLA alleles in the world's population compared to what has been described in literature. To ensure a reliable peptide mapping workflow, we combined the HLA alleles with well-known human model antigens like coagulation factor VIII, acetylcholine receptor subunit alpha, protein structures of the SARS-CoV-2 virus, and myelin basic protein. Using these model antigens, we have been able to identify a broad range of peptides that are in line with already published and in silico predicted T-cell epitopes of the specific HLA/model antigen combination. The transient co-expression of a single affinity-tagged MHC molecule combined with a disease-specific antigen in a human cell line in our FASTMAP pipeline provides the opportunity to identify potential T-cell epitopes/endogenously processed MHC-bound peptides in a very cost-effective, fast, and customizable system with high-throughput potential.
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Affiliation(s)
- Luisa Weisbrod
- Recombinant Protein Discovery, CSL Innovation GmbH, Marburg, Germany
| | - Luigi Capriotti
- Analytical Biochemistry, Research and Development, CSL Behring AG, Bern, Switzerland
| | - Marco Hofmann
- Recombinant Protein Discovery, CSL Innovation GmbH, Marburg, Germany
| | - Valerie Spieler
- Recombinant Protein Discovery, CSL Innovation GmbH, Marburg, Germany
| | - Herbert Dersch
- Recombinant Protein Discovery, CSL Innovation GmbH, Marburg, Germany
| | - Bernd Voedisch
- Recombinant Protein Discovery, CSL Innovation GmbH, Marburg, Germany
| | - Peter Schmidt
- Protein Biochemistry, Bio21 Institute, CSL Limited, Parkville, VIC, Australia
| | - Susanne Knake
- Department of Neurology, Epilepsy Center Hessen, Philipps University Marburg, Marburg, Germany
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14
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Sheetikov SA, Khmelevskaya AA, Zornikova KV, Zvyagin IV, Shomuradova AS, Serdyuk YV, Shakirova NT, Peshkova IO, Titov A, Romaniuk DS, Shagina IA, Chudakov DM, Kiryukhin DO, Shcherbakova OV, Khamaganova EG, Dzutseva V, Afanasiev A, Bogolyubova AV, Efimov GA. Clonal structure and the specificity of vaccine-induced T cell response to SARS-CoV-2 Spike protein. Front Immunol 2024; 15:1369436. [PMID: 38629062 PMCID: PMC11018901 DOI: 10.3389/fimmu.2024.1369436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Adenovirus vaccines, particularly the COVID-19 Ad5-nCoV adenovirus vaccine, have emerged as promising tools in the fight against infectious diseases. In this study, we investigated the structure of the T cell response to the Spike protein of the SARS-CoV-2 virus used in the COVID-19 Ad5-nCoV adenoviral vaccine in a phase 3 clinical trial (NCT04540419). In 69 participants, we collected peripheral blood samples at four time points after vaccination or placebo injection. Sequencing of T cell receptor repertoires from Spike-stimulated T cell cultures at day 14 from 17 vaccinated revealed a more diverse CD4+ T cell repertoire compared to CD8+. Nevertheless, CD8+ clonotypes accounted for more than half of the Spike-specific repertoire. Our longitudinal analysis showed a peak T cell response at day 14, followed by a decline until month 6. Remarkably, multiple T cell clonotypes persisted for at least 6 months after vaccination, as demonstrated by ex vivo stimulation. Examination of CDR3 regions revealed homologous sequences in both CD4+ and CD8+ clonotypes, with major CD8+ clonotypes sharing high similarity with annotated sequences specific for the NYNYLYRLF peptide, suggesting potential immunodominance. In conclusion, our study demonstrates the immunogenicity of the Ad5-nCoV adenoviral vaccine and highlights its ability to induce robust and durable T cell responses. These findings provide valuable insight into the efficacy of the vaccine against COVID-19 and provide critical information for ongoing efforts to control infectious diseases.
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Affiliation(s)
- Saveliy A. Sheetikov
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Alexandra A. Khmelevskaya
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Ksenia V. Zornikova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Ivan V. Zvyagin
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Translational Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- Genomics of Adaptive Immunity Department, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
| | - Alina S. Shomuradova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Yana V. Serdyuk
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Naina T. Shakirova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Iuliia O. Peshkova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Aleksei Titov
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Dmitrii S. Romaniuk
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Irina A. Shagina
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Translational Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- Genomics of Adaptive Immunity Department, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
| | - Dmitry M. Chudakov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Translational Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
- Genomics of Adaptive Immunity Department, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
- Central European Institute of Technology, Masaryk University, Brno, Czechia
| | - Dmitry O. Kiryukhin
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Olga V. Shcherbakova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Ekaterina G. Khamaganova
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
| | - Vitalina Dzutseva
- Novosibirsk State University, Medical School, Novosibirsk, Russia
- NPO Petrovax Pharm LLC, Moscow, Russia
| | | | | | - Grigory A. Efimov
- Laboratory of Transplantation Immunology, National Medical Research Center for Hematology, Moscow, Russia
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15
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Yasmin S, Ansari MY, Pandey K, Dikhit MR. Identification of potential vaccine targets for elicitation of host immune cells against SARS-CoV-2 by reverse vaccinology approach. Int J Biol Macromol 2024; 265:130754. [PMID: 38508555 DOI: 10.1016/j.ijbiomac.2024.130754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
The COVID-19 pandemic has emerged as a critical global health crisis, demanding urgent and effective strategies for containment. While some knowledge exists about epitope sequences recognized by human immune cells and their activation of CD8+ T cells within the HLA context, comprehensive information remains limited. This study employs reverse vaccinology to explore antigenic HLA-restricted T-cell epitopes capable of eliciting durable immunity. Screening reveals 187 consensus epitopes, with 23 offering broad population coverage worldwide, spanning over 5000 HLA alleles. Sequence alignment analysis highlights the genetic distinctiveness of these peptides from Homo sapiens and their intermediate to high TAP binding efficiency. Notably, these epitopes share 100 % sequence identity across strains from nine countries, indicating potential for a uniform protective immune response among diverse ethnic populations. Docking simulations further confirm their binding capacity with the HLA allele, validating them as promising targets for SARS-CoV-2 immune recognition. The anticipated epitopes are connected with suitable linkers and adjuvant, and then assessed for its translational efficacy within a bacterial expression vector through computational cloning. Through docking, it is observed that the chimeric vaccine construct forms lasting hydrogen bonds with Toll-like receptor (TLR4), while immune simulation illustrates an increased cytotoxic response aimed at CD8+ T cells. This comprehensive computational analysis suggests the chimeric vaccine construct's potential to provoke a robust immune response against SARS-CoV-2. By delineating these antigenic fragments, our study offers valuable insights into effective vaccine and immunotherapy development against COVID-19, contributing significantly to global efforts in combating this infectious threat.
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Affiliation(s)
- Sabina Yasmin
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University (KKU), Abha 62529, Saudi Arabia
| | - Mohammad Yousuf Ansari
- Department of Pharmaceutical Chemistry, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133207, India.
| | - Krishna Pandey
- Department of Clinical Medicine, ICMR-Rajendra Memorial Research Institute of Medical Sciences, Agamkuan, Patna 800007, India
| | - Manas Ranjan Dikhit
- Department of Bioinformatics, ICMR-Rajendra Memorial Research Institute of Medical Sciences, Agamkuan, Patna 800007, India.
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16
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van den Dijssel J, Duurland MC, Konijn VA, Kummer LY, Hagen RR, Kuijper LH, Wieske L, van Dam KP, Stalman EW, Steenhuis M, Geerdes DM, Mok JY, Kragten AH, Menage C, Koets L, Veldhuisen B, Verstegen NJ, van der Schoot CE, van Esch WJ, D'Haens GR, Löwenberg M, Volkers AG, Rispens T, Kuijpers TW, Eftimov F, van Gisbergen KP, van Ham SM, Ten Brinke A, van de Sandt CE. mRNA-1273 vaccinated inflammatory bowel disease patients receiving TNF inhibitors develop broad and robust SARS-CoV-2-specific CD8 + T cell responses. J Autoimmun 2024; 144:103175. [PMID: 38387105 DOI: 10.1016/j.jaut.2024.103175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 02/24/2024]
Abstract
SARS-CoV-2-specific CD8+ T cells recognize conserved viral peptides and in the absence of cross-reactive antibodies form an important line of protection against emerging viral variants as they ameliorate disease severity. SARS-CoV-2 mRNA vaccines induce robust spike-specific antibody and T cell responses in healthy individuals, but their effectiveness in patients with chronic immune-mediated inflammatory disorders (IMIDs) is less well defined. These patients are often treated with systemic immunosuppressants, which may negatively affect vaccine-induced immunity. Indeed, TNF inhibitor (TNFi)-treated inflammatory bowel disease (IBD) patients display reduced ability to maintain SARS-CoV-2 antibody responses post-vaccination, yet the effects on CD8+ T cells remain unclear. Here, we analyzed the impact of IBD and TNFi treatment on mRNA-1273 vaccine-induced CD8+ T cell responses compared to healthy controls in SARS-CoV-2 experienced and inexperienced patients. CD8+ T cells were analyzed for their ability to recognize 32 SARS-CoV-2-specific epitopes, restricted by 10 common HLA class I allotypes using heterotetramer combinatorial coding. This strategy allowed in-depth ex vivo profiling of the vaccine-induced CD8+ T cell responses using phenotypic and activation markers. mRNA vaccination of TNFi-treated and untreated IBD patients induced robust spike-specific CD8+ T cell responses with a predominant central memory and activated phenotype, comparable to those in healthy controls. Prominent non-spike-specific CD8+ T cell responses were observed in SARS-CoV-2 experienced donors prior to vaccination. Non-spike-specific CD8+ T cells persisted and spike-specific CD8+ T cells notably expanded after vaccination in these patient cohorts. Our data demonstrate that regardless of TNFi treatment or prior SARS-CoV-2 infection, IBD patients benefit from vaccination by inducing a robust spike-specific CD8+ T cell response.
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Affiliation(s)
- Jet van den Dijssel
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Mariël C Duurland
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Veronique Al Konijn
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Laura Yl Kummer
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Ruth R Hagen
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Lisan H Kuijper
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Luuk Wieske
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands; Department of Clinical Neurophysiology, St Antonius Hospital, Nieuwegein, Netherlands
| | - Koos Pj van Dam
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Eileen W Stalman
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Maurice Steenhuis
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - Juk Yee Mok
- Sanquin Reagents B.V., Amsterdam, Netherlands
| | | | - Charlotte Menage
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Lianne Koets
- Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; National Screening Laboratory of Sanquin, Research and Laboratory Services, Amsterdam, Netherlands
| | - Barbera Veldhuisen
- Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, Netherlands
| | - Niels Jm Verstegen
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - C Ellen van der Schoot
- Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | | | - Geert Ram D'Haens
- Department of Gastroenterology and Hepatology, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Mark Löwenberg
- Department of Gastroenterology and Hepatology, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Adriaan G Volkers
- Department of Gastroenterology and Hepatology, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Theo Rispens
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Taco W Kuijpers
- Department of Pediatric Immunology, Rheumatology and Infectious Disease, University of Amsterdam, Amsterdam, Netherlands
| | - Filip Eftimov
- Department of Neurology and Neurophysiology, Amsterdam Neuroscience, Amsterdam UMC Location AMC, University of Amsterdam, Amsterdam, Netherlands
| | - Klaas Pjm van Gisbergen
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - S Marieke van Ham
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Swammerdam Institute for Life Sciences, University of Amsterdam, Netherlands
| | - Anja Ten Brinke
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Carolien E van de Sandt
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands; Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia.
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17
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Coulon PG, Prakash S, Dhanushkodi NR, Srivastava R, Zayou L, Tifrea DF, Edwards RA, Figueroa CJ, Schubl SD, Hsieh L, Nesburn AB, Kuppermann BD, Bahraoui E, Vahed H, Gil D, Jones TM, Ulmer JB, BenMohamed L. High frequencies of alpha common cold coronavirus/SARS-CoV-2 cross-reactive functional CD4 + and CD8 + memory T cells are associated with protection from symptomatic and fatal SARS-CoV-2 infections in unvaccinated COVID-19 patients. Front Immunol 2024; 15:1343716. [PMID: 38605956 PMCID: PMC11007208 DOI: 10.3389/fimmu.2024.1343716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/08/2024] [Indexed: 04/13/2024] Open
Abstract
Background Cross-reactive SARS-CoV-2-specific memory CD4+ and CD8+ T cells are present in up to 50% of unexposed, pre-pandemic, healthy individuals (UPPHIs). However, the characteristics of cross-reactive memory CD4+ and CD8+ T cells associated with subsequent protection of asymptomatic coronavirus disease 2019 (COVID-19) patients (i.e., unvaccinated individuals who never develop any COVID-19 symptoms despite being infected with SARS-CoV-2) remains to be fully elucidated. Methods This study compares the antigen specificity, frequency, phenotype, and function of cross-reactive memory CD4+ and CD8+ T cells between common cold coronaviruses (CCCs) and SARS-CoV-2. T-cell responses against genome-wide conserved epitopes were studied early in the disease course in a cohort of 147 unvaccinated COVID-19 patients who were divided into six groups based on the severity of their symptoms. Results Compared to severely ill COVID-19 patients and patients with fatal COVID-19 outcomes, the asymptomatic COVID-19 patients displayed significantly: (i) higher rates of co-infection with the 229E alpha species of CCCs (α-CCC-229E); (ii) higher frequencies of cross-reactive functional CD134+CD137+CD4+ and CD134+CD137+CD8+ T cells that cross-recognized conserved epitopes from α-CCCs and SARS-CoV-2 structural, non-structural, and accessory proteins; and (iii) lower frequencies of CCCs/SARS-CoV-2 cross-reactive exhausted PD-1+TIM3+TIGIT+CTLA4+CD4+ and PD-1+TIM3+TIGIT+CTLA4+CD8+ T cells, detected both ex vivo and in vitro. Conclusions These findings (i) support a crucial role of functional, poly-antigenic α-CCCs/SARS-CoV-2 cross-reactive memory CD4+ and CD8+ T cells, induced following previous CCCs seasonal exposures, in protection against subsequent severe COVID-19 disease and (ii) provide critical insights into developing broadly protective, multi-antigen, CD4+, and CD8+ T-cell-based, universal pan-Coronavirus vaccines capable of conferring cross-species protection.
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Affiliation(s)
- Pierre-Gregoire Coulon
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Swayam Prakash
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Nisha R. Dhanushkodi
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Ruchi Srivastava
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Latifa Zayou
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Delia F. Tifrea
- Department of Pathology and Laboratory Medicine, School of Medicine, University of California Irvine, Irvine, CA, United States
| | - Robert A. Edwards
- Department of Pathology and Laboratory Medicine, School of Medicine, University of California Irvine, Irvine, CA, United States
| | - Cesar J. Figueroa
- Department of Surgery, Divisions of Trauma, Burns and Critical Care, School of Medicine, University of California Irvine, Irvine, CA, United States
| | - Sebastian D. Schubl
- Department of Surgery, Divisions of Trauma, Burns and Critical Care, School of Medicine, University of California Irvine, Irvine, CA, United States
| | - Lanny Hsieh
- Department of Medicine, Division of Infectious Diseases and Hospitalist Program, School of Medicine, University of California Irvine, Irvine, CA, United States
| | - Anthony B. Nesburn
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Baruch D. Kuppermann
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | | | - Hawa Vahed
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Daniel Gil
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Trevor M. Jones
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Jeffrey B. Ulmer
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Lbachir BenMohamed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
- Université Paul Sabatier, Infinity, Inserm, Toulouse, France
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
- Institute for Immunology, The University of California Irvine, School of Medicine, Irvine, CA, United States
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18
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Aoki H, Kitabatake M, Abe H, Xu P, Tsunoda M, Shichino S, Hara A, Ouji-Sageshima N, Motozono C, Ito T, Matsushima K, Ueha S. CD8 + T cell memory induced by successive SARS-CoV-2 mRNA vaccinations is characterized by shifts in clonal dominance. Cell Rep 2024; 43:113887. [PMID: 38458195 DOI: 10.1016/j.celrep.2024.113887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 12/27/2023] [Accepted: 02/14/2024] [Indexed: 03/10/2024] Open
Abstract
mRNA vaccines against the spike glycoprotein of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) elicit strong T cell responses. However, a clonal-resolution analysis of T cell responses to mRNA vaccination has not been performed. Here, we temporally track the CD8+ T cell repertoire in individuals who received three shots of the BNT162b2 mRNA vaccine through longitudinal T cell receptor sequencing with peptide-human leukocyte antigen (HLA) tetramer analysis. We demonstrate a shift in T cell responses between the clonotypes with different kinetics: from early responders that expand rapidly after the first shot to main responders that greatly expand after the second shot. Although the main responders re-expand after the third shot, their clonal diversity is skewed, and newly elicited third responders partially replace them. Furthermore, this shift in clonal dominance occurs not only between, but also within, clonotypes specific for spike epitopes. Our study will be a valuable resource for understanding vaccine-induced T cell responses in general.
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Affiliation(s)
- Hiroyasu Aoki
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan; Department of Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 1130033, Japan
| | - Masahiro Kitabatake
- Department of Immunology, Nara Medical University, Kashihara City, Nara 6348521, Japan
| | - Haruka Abe
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan
| | - Peng Xu
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan
| | - Mikiya Tsunoda
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan
| | - Shigeyuki Shichino
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan
| | - Atsushi Hara
- Department of Immunology, Nara Medical University, Kashihara City, Nara 6348521, Japan
| | - Noriko Ouji-Sageshima
- Department of Immunology, Nara Medical University, Kashihara City, Nara 6348521, Japan
| | - Chihiro Motozono
- Division of Infection and Immunity, Joint Research Center for Human Retrovirus Infection, Kumamoto University, Kumamoto City, Kumamoto 8600811, Japan
| | - Toshihiro Ito
- Department of Immunology, Nara Medical University, Kashihara City, Nara 6348521, Japan
| | - Kouji Matsushima
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan
| | - Satoshi Ueha
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City, Chiba 2780022, Japan.
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19
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Xing M, Hu G, Wang X, Wang Y, He F, Dai W, Wang X, Niu Y, Liu J, Liu H, Zhang X, Xu J, Cai Q, Zhou D. An intranasal combination vaccine induces systemic and mucosal immunity against COVID-19 and influenza. NPJ Vaccines 2024; 9:64. [PMID: 38509167 PMCID: PMC10954707 DOI: 10.1038/s41541-024-00857-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/26/2024] [Indexed: 03/22/2024] Open
Abstract
Despite prolonged surveillance and interventions, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and influenza viruses continue to pose a severe global health burden. Thus, we developed a chimpanzee adenovirus-based combination vaccine, AdC68-HATRBD, with dual specificity against SARS-CoV-2 and influenza virus. When used as a standalone vaccine, intranasal immunization with AdC68-HATRBD induced comprehensive and potent immune responses consisting of immunoglobin (Ig) G, mucosal IgA, neutralizing antibodies, and memory T cells, which protected the mice from BA.5.2 and pandemic H1N1 infections. When used as a heterologous booster, AdC68-HATRBD markedly improved the protective immune response of the licensed SARS-CoV-2 or influenza vaccine. Therefore, whether administered intranasally as a standalone or booster vaccine, this combination vaccine is a valuable strategy to enhance the overall vaccine efficacy by inducing robust systemic and mucosal immune responses, thereby conferring dual lines of immunological defenses for these two viruses.
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Affiliation(s)
- Man Xing
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Gaowei Hu
- MOE&NHC&CAMS Key Laboratory of Medical Molecular, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Xiang Wang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Yihan Wang
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Furong He
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Weiqian Dai
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Xinyu Wang
- MOE&NHC&CAMS Key Laboratory of Medical Molecular Virology, Shanghai Institute of Infections Disease and Biosecurity, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yixin Niu
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Jiaojiao Liu
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China
| | - Hui Liu
- Chengdu Kanghua Biological Products Co., Ltd, Chengdu, China
| | - Xiaoyan Zhang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Jianqing Xu
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China.
| | - Qiliang Cai
- MOE&NHC&CAMS Key Laboratory of Medical Molecular Virology, Shanghai Institute of Infections Disease and Biosecurity, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Dongming Zhou
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China.
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China.
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20
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Fasoulis R, Rigo MM, Antunes DA, Paliouras G, Kavraki LE. Transfer learning improves pMHC kinetic stability and immunogenicity predictions. IMMUNOINFORMATICS (AMSTERDAM, NETHERLANDS) 2024; 13:100030. [PMID: 38577265 PMCID: PMC10994007 DOI: 10.1016/j.immuno.2023.100030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
The cellular immune response comprises several processes, with the most notable ones being the binding of the peptide to the Major Histocompability Complex (MHC), the peptide-MHC (pMHC) presentation to the surface of the cell, and the recognition of the pMHC by the T-Cell Receptor. Identifying the most potent peptide targets for MHC binding, presentation and T-cell recognition is vital for developing peptide-based vaccines and T-cell-based immunotherapies. Data-driven tools that predict each of these steps have been developed, and the availability of mass spectrometry (MS) datasets has facilitated the development of accurate Machine Learning (ML) methods for class-I pMHC binding prediction. However, the accuracy of ML-based tools for pMHC kinetic stability prediction and peptide immunogenicity prediction is uncertain, as stability and immunogenicity datasets are not abundant. Here, we use transfer learning techniques to improve stability and immunogenicity predictions, by taking advantage of a large number of binding affinity and MS datasets. The resulting models, TLStab and TLImm, exhibit comparable or better performance than state-of-the-art approaches on different stability and immunogenicity test sets respectively. Our approach demonstrates the promise of learning from the task of peptide binding to improve predictions on downstream tasks. The source code of TLStab and TLImm is publicly available at https://github.com/KavrakiLab/TL-MHC.
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Affiliation(s)
- Romanos Fasoulis
- Department of Computer Science, Rice University, 6100 Main St, Houston, 77005, TX, United States
| | - Mauricio Menegatti Rigo
- Department of Computer Science, Rice University, 6100 Main St, Houston, 77005, TX, United States
| | - Dinler Amaral Antunes
- Department of Biology and Biochemistry, University of Houston, 4800 Calhoun Rd, Houston, 77004, TX, United States
| | - Georgios Paliouras
- Institute of Informatics and Telecommunications, NCSR Demokritos, Patr. Gregoriou E and 27 Neapoleos St, Athens, 15341, Greece
| | - Lydia E. Kavraki
- Department of Computer Science, Rice University, 6100 Main St, Houston, 77005, TX, United States
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21
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Feola S, Chiaro J, Fusciello M, Russo S, Kleino I, Ylösmäki L, Kekäläinen E, Hästbacka J, Pekkarinen PT, Ylösmäki E, Capone S, Folgori A, Raggioli A, Boni C, Tiezzi C, Vecchi A, Gelzo M, Kared H, Nardin A, Fehlings M, Barban V, Ahokas P, Viitala T, Castaldo G, Pastore L, Porter P, Pesonen S, Cerullo V. PeptiVAX: A new adaptable peptides-delivery platform for development of CTL-based, SARS-CoV-2 vaccines. Int J Biol Macromol 2024; 262:129926. [PMID: 38331062 DOI: 10.1016/j.ijbiomac.2024.129926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) posed a threat to public health and the global economy, necessitating the development of various vaccination strategies. Mutations in the SPIKE protein gene, a crucial component of mRNA and adenovirus-based vaccines, raised concerns about vaccine efficacy, prompting the need for rapid vaccine updates. To address this, we leveraged PeptiCRAd, an oncolytic vaccine based on tumor antigen decorated oncolytic adenoviruses, creating a vaccine platform called PeptiVAX. First, we identified multiple CD8 T-cell epitopes from highly conserved regions across coronaviruses, expanding the range of T-cell responses to non-SPIKE proteins. We designed short segments containing the predicted epitopes presented by common HLA-Is in the global population. Testing the immunogenicity, we characterized T-cell responses to candidate peptides in peripheral blood mononuclear cells (PBMCs) from pre-pandemic healthy donors and ICU patients. As a proof of concept in mice, we selected a peptide with epitopes predicted to bind to murine MHC-I haplotypes. Our technology successfully elicited peptide-specific T-cell responses, unaffected by the use of unarmed adenoviral vectors or adeno-based vaccines encoding SPIKE. In conclusion, PeptiVAX represents a fast and adaptable SARS-CoV-2 vaccine delivery system that broadens T-cell responses beyond the SPIKE protein, offering potential benefits for vaccine effectiveness.
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Affiliation(s)
- Sara Feola
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland
| | - Jacopo Chiaro
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland
| | - Manlio Fusciello
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland
| | - Salvatore Russo
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland
| | - Iivari Kleino
- Turku Bioscience Centre, University of Turku and Åbo Akademi University Turku, Turku, Finland
| | | | - Eliisa Kekäläinen
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; HUSLAB Clinical Microbiology, HUS Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Johanna Hästbacka
- HUSLAB Clinical Microbiology, HUS Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Pirkka T Pekkarinen
- Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Division of Intensive Care Medicine, Department of Anaesthesiology and Intensive Care, University of Helsinki and Helsinki University Hospital, Finland
| | - Erkko Ylösmäki
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland
| | | | | | | | - Carolina Boni
- Laboratory of Viral Immunopathology, Unit of Infectious Disease and Hepatology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Camilla Tiezzi
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Andrea Vecchi
- Laboratory of Viral Immunopathology, Unit of Infectious Disease and Hepatology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Monica Gelzo
- CEINGE-Biotecnologie Avanzate, Naples, Italy; Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
| | | | | | | | | | | | - Tapani Viitala
- Pharmaceutical Biophysics Research Group, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Giuseppe Castaldo
- CEINGE-Biotecnologie Avanzate, Naples, Italy; Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
| | - Lucio Pastore
- CEINGE-Biotecnologie Avanzate, Naples, Italy; Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy; Department of Molecular Medicine and Medical Biotechnology, Naples University "Federico II", S. Pansini 5, Italy
| | - Paul Porter
- Valo Therapeutics Oy, Helsinki, Finland; School of Nursing, Curtin University, GPO Box U 1987, Perth, WA 6845, Australia
| | | | - Vincenzo Cerullo
- Drug Research Program (DRP) ImmunoViroTherapy Lab (IVT), Division of Pharmaceutical Biosciences, Faculty of Pharmacy, Viikinkaari 5E, University of Helsinki, 00790 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), Fabianinkatu 33, University of Helsinki, 00710 Helsinki, Finland; Translational Immunology Program (TRIMM), Faculty of Medicine Helsinki University, postal code Haartmaninkatu 8, University of Helsinki, 00290 Helsinki, Finland; Digital Precision Cancer Medicine Flagship (iCAN), University of Helsinki, FI-00014 Helsinki, Finland; Institute for Molecular Medicine Finland, FIMM, Helsinki Institute of Life Science (HiLIFE), University of Helsinki, FI-00014 Helsinki, Finland; Department of Molecular Medicine and Medical Biotechnology, Naples University "Federico II", S. Pansini 5, Italy.
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22
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Ondracek CR, Melanson SEF, Doan L, Schulz KM, Kleinman S, Zhao Z, Kumanovics A, Wu AHB, Wiencek J, Meng QH, Apple FS, Koch D, Vesper H, Pokuah F, Bryksin J, Myers GL, Christenson RH, Zhang YV. Large-Scale Scientific Study Led by a Professional Organization during the COVID-19 Pandemic: Operations, Best Practices, and Lessons Learned. J Appl Lab Med 2024; 9:371-385. [PMID: 38059919 DOI: 10.1093/jalm/jfad089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 09/15/2023] [Indexed: 12/08/2023]
Abstract
In 2021, the Association for Diagnostics & Laboratory Medicine (ADLM) (formerly the American Association for Clinical Chemistry [AACC]) developed a scientific study that aimed to contribute to the understanding of SARS-CoV-2 immunity during the evolving course of the pandemic. This study was led by a group of expert member volunteers and resulted in survey data from 975 individuals and blood collection from 698 of those participants. This paper describes the formulation and execution of this large-scale scientific study, encompassing best practices and insights gained throughout the endeavor.
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Affiliation(s)
- Caitlin R Ondracek
- Association for Diagnostics & Laboratory Medicine, Washington, DC, United States
| | - Stacy E F Melanson
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Loretta Doan
- Association for Diagnostics & Laboratory Medicine, Washington, DC, United States
| | - Karen M Schulz
- Department of Laboratory Medicine and Pathology, Hennepin Healthcare/Hennepin County Medical Center, Minneapolis, MN, United States
- Hennepin Healthcare Research Institute, Minneapolis, MN, United States
| | - Stefanie Kleinman
- Association for Diagnostics & Laboratory Medicine, Washington, DC, United States
| | - Zhen Zhao
- Department of Laboratory Medicine and Pathology, Weill Cornell Medicine, NewYork, NY, United States
| | - Attila Kumanovics
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Alan H B Wu
- Department of Laboratory Medicine, University of California, SanFrancisco, CA, United States
| | - Joesph Wiencek
- Department of Pathology, Microbiology and Immunology, Vanderbilt School of Medicine, Nashville, TN, United States
| | - Qing H Meng
- Department of Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Fred S Apple
- Department of Laboratory Medicine and Pathology, Hennepin Healthcare/Hennepin County Medical Center, Minneapolis, MN, United States
- Hennepin Healthcare Research Institute, Minneapolis, MN, United States
| | - David Koch
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA, United States
| | - Hubert Vesper
- Clinical Standardization Programs at the Centers for Disease Control and Prevention's (CDC) National Center for Environmental Health, Atlanta, GA, United States
| | - Fidelia Pokuah
- Clinical Standardization Programs at the Centers for Disease Control and Prevention's (CDC) National Center for Environmental Health, Atlanta, GA, United States
| | - Janetta Bryksin
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA, United States
| | | | - Robert H Christenson
- Department of Pathology, University of Maryland School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Y Victoria Zhang
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, United States
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23
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Chen L, He Y, Liu H, Shang Y, Guo G. Potential immune evasion of the severe acute respiratory syndrome coronavirus 2 Omicron variants. Front Immunol 2024; 15:1339660. [PMID: 38464527 PMCID: PMC10924305 DOI: 10.3389/fimmu.2024.1339660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 02/05/2024] [Indexed: 03/12/2024] Open
Abstract
Coronavirus disease 2019 (COVID-19), which is caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused a global pandemic. The Omicron variant (B.1.1.529) was first discovered in November 2021 in specimens collected from Botswana, South Africa. Omicron has become the dominant variant worldwide, and several sublineages or subvariants have been identified recently. Compared to those of other mutants, the Omicron variant has the most highly expressed amino acid mutations, with almost 60 mutations throughout the genome, most of which are in the spike (S) protein, especially in the receptor-binding domain (RBD). These mutations increase the binding affinity of Omicron variants for the ACE2 receptor, and Omicron variants may also lead to immune escape. Despite causing milder symptoms, epidemiological evidence suggests that Omicron variants have exceptionally higher transmissibility, higher rates of reinfection and greater spread than the prototype strain as well as other preceding variants. Additionally, overwhelming amounts of data suggest that the levels of specific neutralization antibodies against Omicron variants decrease in most vaccinated populations, although CD4+ and CD8+ T-cell responses are maintained. Therefore, the mechanisms underlying Omicron variant evasion are still unclear. In this review, we surveyed the current epidemic status and potential immune escape mechanisms of Omicron variants. Especially, we focused on the potential roles of viral epitope mutations, antigenic drift, hybrid immunity, and "original antigenic sin" in mediating immune evasion. These insights might supply more valuable concise information for us to understand the spreading of Omicron variants.
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Affiliation(s)
- Luyi Chen
- Chongqing Nankai Secondary School, Chongqing, China
| | - Ying He
- Department of Orthopedics, Kweichow MouTai Hospital, Renhuai, Zunyi, Guizhou, China
| | - Hongye Liu
- Department of Orthopedics, Kweichow MouTai Hospital, Renhuai, Zunyi, Guizhou, China
| | - Yongjun Shang
- Department of Orthopedics, Kweichow MouTai Hospital, Renhuai, Zunyi, Guizhou, China
| | - Guoning Guo
- Department of Orthopedics, Kweichow MouTai Hospital, Renhuai, Zunyi, Guizhou, China
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24
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Prakash S, Dhanushkodi NR, Singer M, Quadiri A, Zayou L, Vahed H, Coulon PG, Ibraim IC, Tafoya C, Hitchcock L, Landucci G, Forthal DN, El Babsiri A, Tifrea DF, Figueroa CJ, Nesburn AB, Kuppermann BD, Gil D, Jones TM, Ulmer JB, BenMohamed L. A Broad-Spectrum Multi-Antigen mRNA/LNP-Based Pan-Coronavirus Vaccine Induced Potent Cross-Protective Immunity Against Infection and Disease Caused by Highly Pathogenic and Heavily Spike-Mutated SARS-CoV-2 Variants of Concern in the Syrian Hamster Model. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.14.580225. [PMID: 38405942 PMCID: PMC10888826 DOI: 10.1101/2024.02.14.580225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
The first-generation Spike-alone-based COVID-19 vaccines have successfully contributed to reducing the risk of hospitalization, serious illness, and death caused by SARS-CoV-2 infections. However, waning immunity induced by these vaccines failed to prevent immune escape by many variants of concern (VOCs) that emerged from 2020 to 2024, resulting in a prolonged COVID-19 pandemic. We hypothesize that a next-generation Coronavirus (CoV) vaccine incorporating highly conserved non-Spike SARS-CoV-2 antigens would confer stronger and broader cross-protective immunity against multiple VOCs. In the present study, we identified ten non-Spike antigens that are highly conserved in 8.7 million SARS-CoV-2 strains, twenty-one VOCs, SARS-CoV, MERS-CoV, Common Cold CoVs, and animal CoVs. Seven of the 10 antigens were preferentially recognized by CD8+ and CD4+ T-cells from unvaccinated asymptomatic COVID-19 patients, irrespective of VOC infection. Three out of the seven conserved non-Spike T cell antigens belong to the early expressed Replication and Transcription Complex (RTC) region, when administered to the golden Syrian hamsters, in combination with Spike, as nucleoside-modified mRNA encapsulated in lipid nanoparticles (LNP) (i.e., combined mRNA/LNP-based pan-CoV vaccine): (i) Induced high frequencies of lung-resident antigen-specific CXCR5+CD4+ T follicular helper (TFH) cells, GzmB+CD4+ and GzmB+CD8+ cytotoxic T cells (TCYT), and CD69+IFN-γ+TNFα+CD4+ and CD69+IFN-γ+TNFα+CD8+ effector T cells (TEFF); and (ii) Reduced viral load and COVID-19-like symptoms caused by various VOCs, including the highly pathogenic B.1.617.2 Delta variant and the highly transmittable heavily Spike-mutated XBB1.5 Omicron sub-variant. The combined mRNA/LNP-based pan-CoV vaccine could be rapidly adapted for clinical use to confer broader cross-protective immunity against emerging highly mutated and pathogenic VOCs.
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Affiliation(s)
- Swayam Prakash
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Nisha R. Dhanushkodi
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Mahmoud Singer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Afshana Quadiri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Latifa Zayou
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Hawa Vahed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA 92660, USA
| | - Pierre-Gregoire Coulon
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Izabela Coimbra Ibraim
- BSL-3 Laboratories, High Containment Core Facility, School of Medicine, University of California, Irvine
| | - Christine Tafoya
- BSL-3 Laboratories, High Containment Core Facility, School of Medicine, University of California, Irvine
| | - Lauren Hitchcock
- BSL-3 Laboratories, High Containment Core Facility, School of Medicine, University of California, Irvine
| | - Gary Landucci
- BSL-3 Laboratories, High Containment Core Facility, School of Medicine, University of California, Irvine
| | - Donald N. Forthal
- BSL-3 Laboratories, High Containment Core Facility, School of Medicine, University of California, Irvine
- Division of Infectious Diseases, Department of Medicine, University of California, Irvine School of Medicine, Irvine, CA, USA
| | - Assia El Babsiri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Delia F. Tifrea
- Department of Pathology and Laboratory Medicine, School of Medicine, Irvine, CA 92697
| | - Cesar J. Figueroa
- Department of Surgery, Divisions of Trauma, Burns & Critical Care, School of Medicine, Irvine, CA 92697
| | - Anthony B. Nesburn
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Baruch D. Kuppermann
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
| | - Daniel Gil
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA 92660, USA
| | - Trevor M. Jones
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA 92660, USA
| | - Jeffrey B. Ulmer
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA 92660, USA
| | - Lbachir BenMohamed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA 92697
- Institute for Immunology; University of California Irvine, School of Medicine, Irvine, CA 92697
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA 92660, USA
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25
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Nesamari R, Omondi MA, Baguma R, Höft MA, Ngomti A, Nkayi AA, Besethi AS, Magugu SFJ, Mosala P, Walters A, Clark GM, Mennen M, Skelem S, Adriaanse M, Grifoni A, Sette A, Keeton RS, Ntusi NAB, Riou C, Burgers WA. Post-pandemic memory T cell response to SARS-CoV-2 is durable, broadly targeted, and cross-reactive to the hypermutated BA.2.86 variant. Cell Host Microbe 2024; 32:162-169.e3. [PMID: 38211583 PMCID: PMC10901529 DOI: 10.1016/j.chom.2023.12.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/28/2023] [Accepted: 12/11/2023] [Indexed: 01/13/2024]
Abstract
Ongoing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evolution has given rise to recombinant Omicron lineages that dominate globally (XBB.1), as well as the emergence of hypermutated variants (BA.2.86). In this context, durable and cross-reactive T cell immune memory is critical for continued protection against severe COVID-19. We examined T cell responses to SARS-CoV-2 approximately 1.5 years since Omicron first emerged. We describe sustained CD4+ and CD8+ spike-specific T cell memory responses in healthcare workers in South Africa (n = 39) who were vaccinated and experienced at least one SARS-CoV-2 infection. Spike-specific T cells are highly cross-reactive with all Omicron variants tested, including BA.2.86. Abundant nucleocapsid and membrane-specific T cells are detectable in most participants. The bulk of SARS-CoV-2-specific T cell responses have an early-differentiated phenotype, explaining their persistent nature. Overall, hybrid immunity leads to the accumulation of spike and non-spike T cells evident 3.5 years after the start of the pandemic, with preserved recognition of highly mutated SARS-CoV-2 variants.
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Affiliation(s)
- Rofhiwa Nesamari
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Millicent A Omondi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Richard Baguma
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Maxine A Höft
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Amkele Ngomti
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Anathi A Nkayi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Asiphe S Besethi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Siyabulela F J Magugu
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Paballo Mosala
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Avril Walters
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Gesina M Clark
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Mathilda Mennen
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; South African Medical Research Council Extramural Unit on Intersection of Non-communicable Disease and Infectious Diseases, University of Cape Town, Cape Town, South Africa
| | - Sango Skelem
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; South African Medical Research Council Extramural Unit on Intersection of Non-communicable Disease and Infectious Diseases, University of Cape Town, Cape Town, South Africa
| | - Marguerite Adriaanse
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; South African Medical Research Council Extramural Unit on Intersection of Non-communicable Disease and Infectious Diseases, University of Cape Town, Cape Town, South Africa
| | - Alba Grifoni
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Alessandro Sette
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA; Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, USA
| | - Roanne S Keeton
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
| | - Ntobeko A B Ntusi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; South African Medical Research Council Extramural Unit on Intersection of Non-communicable Disease and Infectious Diseases, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Cape Town, South Africa
| | - Catherine Riou
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Cape Town, South Africa.
| | - Wendy A Burgers
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa; Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Cape Town, South Africa.
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26
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Tandler C, Heitmann JS, Michel TM, Marconato M, Jaeger SU, Tegeler CM, Denk M, Richter M, Oezbek MT, Maringer Y, Schroeder SM, Schneiderhan-Marra N, Wiesmüller KH, Bitzer M, Ruetalo N, Schindler M, Meisner C, Fischer I, Rammensee HG, Salih HR, Walz JS. Long-term efficacy of the peptide-based COVID-19 T cell activator CoVac-1 in healthy adults. Int J Infect Dis 2024; 139:69-77. [PMID: 38016500 DOI: 10.1016/j.ijid.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/30/2023] Open
Abstract
OBJECTIVES T cell immunity is key for the control of viral infections including SARS-CoV-2, in particular with regard to immune memory and protection against arising genetic variants. METHODS We recently evaluated a peptide-based SARS-CoV-2 T cell activator termed CoVac-1 in a first-in-human trial in healthy adults. Here, we report on long-term safety and efficacy data of CoVac-1 until month 12. RESULTS CoVac-1 is well tolerated without long-term immune-related side effects and induces long-lasting anti-viral T cell responses in 100% of study participants, with potent expandability of clusters of differentiation (CD4+) and CD8+ T cells targeting multiple different CoVac-1 T cell epitopes. T cell responses were associated with stronger injection site reaction. Beyond induction of T cell immunity, 89% of subjects developed CoVac-1-specific immunoglobulin G antibodies which associated with the intensity of the T cell response, indicating that CoVac-1-specific CD4+ T cells support the induction of B-cell responses. Vaccination with approved COVID-19 vaccines boosted CoVac-1-specific T cell responses. Overall, a low SARS-CoV-2 infection rate (8.3%) was observed. CONCLUSION Together, a single application of CoVac-1 elicits long-lived and broad SARS-CoV-2-specific T cell immunity, which further supports the current evaluation of our T cell activator in patients with congenital or acquired B-cell defects.
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Affiliation(s)
- Claudia Tandler
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Jonas S Heitmann
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Tanja M Michel
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Maddalena Marconato
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Simon U Jaeger
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany; Dr. Margarete Fischer-Bosch Institute for Clinical Pharmacology, Stuttgart, Germany; Department of Clinical Pharmacology, University Hospital Tübingen, Tübingen, Germany
| | - Christian M Tegeler
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany; Department of Obstetrics and Gynecology, University Hospital Tübingen, Tübingen, Germany
| | - Monika Denk
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), partner site Tübingen, Tübingen, Germany
| | - Marion Richter
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), partner site Tübingen, Tübingen, Germany
| | - Melek Tutku Oezbek
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Yacine Maringer
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Sarah M Schroeder
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Department of Otorhinolaryngology, Head and Neck Surgery, University of Hospital Tübingen, Tübingen, Germany
| | | | | | - Michael Bitzer
- Department of Internal Medicine I, University Hospital Tübingen, Tübingen, Germany
| | - Natalia Ruetalo
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Michael Schindler
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Christoph Meisner
- Robert Bosch Hospital, Robert Bosch Society for Medical Research, Stuttgart, Germany
| | - Imma Fischer
- Institute for Clinical Epidemiology and Applied Biometry, University Hospital Tübingen, Tübingen, Germany
| | - Hans-Georg Rammensee
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), partner site Tübingen, Tübingen, Germany
| | - Helmut R Salih
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Juliane S Walz
- Department of Peptide-based Immunotherapy, Institute of Immunology, University and University Hospital Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany; Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany.
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27
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Cankat S, Demael MU, Swadling L. In search of a pan-coronavirus vaccine: next-generation vaccine design and immune mechanisms. Cell Mol Immunol 2024; 21:103-118. [PMID: 38148330 PMCID: PMC10805787 DOI: 10.1038/s41423-023-01116-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 11/21/2023] [Indexed: 12/28/2023] Open
Abstract
Members of the coronaviridae family are endemic to human populations and have caused several epidemics and pandemics in recent history. In this review, we will discuss the feasibility of and progress toward the ultimate goal of creating a pan-coronavirus vaccine that can protect against infection and disease by all members of the coronavirus family. We will detail the unmet clinical need associated with the continued transmission of SARS-CoV-2, MERS-CoV and the four seasonal coronaviruses (HCoV-OC43, NL63, HKU1 and 229E) in humans and the potential for future zoonotic coronaviruses. We will highlight how first-generation SARS-CoV-2 vaccines and natural history studies have greatly increased our understanding of effective antiviral immunity to coronaviruses and have informed next-generation vaccine design. We will then consider the ideal properties of a pan-coronavirus vaccine and propose a blueprint for the type of immunity that may offer cross-protection. Finally, we will describe a subset of the diverse technologies and novel approaches being pursued with the goal of developing broadly or universally protective vaccines for coronaviruses.
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Affiliation(s)
- S Cankat
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK
| | - M U Demael
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK
| | - L Swadling
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, Pears Building, London, NW3 2PP, UK.
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28
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Dos Santos Alves RP, Timis J, Miller R, Valentine K, Pinto PBA, Gonzalez A, Regla-Nava JA, Maule E, Nguyen MN, Shafee N, Landeras-Bueno S, Olmedillas E, Laffey B, Dobaczewska K, Mikulski Z, McArdle S, Leist SR, Kim K, Baric RS, Ollmann Saphire E, Elong Ngono A, Shresta S. Human coronavirus OC43-elicited CD4 + T cells protect against SARS-CoV-2 in HLA transgenic mice. Nat Commun 2024; 15:787. [PMID: 38278784 PMCID: PMC10817949 DOI: 10.1038/s41467-024-45043-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 01/10/2024] [Indexed: 01/28/2024] Open
Abstract
SARS-CoV-2-reactive T cells are detected in some healthy unexposed individuals. Human studies indicate these T cells could be elicited by the common cold coronavirus OC43. To directly test this assumption and define the role of OC43-elicited T cells that are cross-reactive with SARS-CoV-2, we develop a model of sequential infections with OC43 followed by SARS-CoV-2 in HLA-B*0702 and HLA-DRB1*0101 Ifnar1-/- transgenic mice. We find that OC43 infection can elicit polyfunctional CD8+ and CD4+ effector T cells that cross-react with SARS-CoV-2 peptides. Furthermore, pre-exposure to OC43 reduces subsequent SARS-CoV-2 infection and disease in the lung for a short-term in HLA-DRB1*0101 Ifnar1-/- transgenic mice, and a longer-term in HLA-B*0702 Ifnar1-/- transgenic mice. Depletion of CD4+ T cells in HLA-DRB1*0101 Ifnar1-/- transgenic mice with prior OC43 exposure results in increased viral burden in the lung but no change in virus-induced lung damage following infection with SARS-CoV-2 (versus CD4+ T cell-sufficient mice), demonstrating that the OC43-elicited SARS-CoV-2 cross-reactive T cell-mediated cross-protection against SARS-CoV-2 is partially dependent on CD4+ T cells. These findings contribute to our understanding of the origin of pre-existing SARS-CoV-2-reactive T cells and their effects on SARS-CoV-2 clinical outcomes, and also carry implications for development of broadly protective betacoronavirus vaccines.
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Affiliation(s)
| | - Julia Timis
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Robyn Miller
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Kristen Valentine
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | | | - Andrew Gonzalez
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Jose Angel Regla-Nava
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Department of Microbiology and Pathology, University Center for Health Science (CUCS), University of Guadalajara, Guadalajara, 44340, Mexico
| | - Erin Maule
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Michael N Nguyen
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Norazizah Shafee
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Sara Landeras-Bueno
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Eduardo Olmedillas
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Brett Laffey
- Microscopy and Histology Core Facility, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Katarzyna Dobaczewska
- Microscopy and Histology Core Facility, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Zbigniew Mikulski
- Microscopy and Histology Core Facility, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Sara McArdle
- Microscopy and Histology Core Facility, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Sarah R Leist
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Kenneth Kim
- Histopathology Core Facility, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Erica Ollmann Saphire
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, USA
| | - Annie Elong Ngono
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA.
| | - Sujan Shresta
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA.
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29
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Sophonmanee R, Preampruchcha P, Ongarj J, Seeyankem B, Intapiboon P, Surasombatpattana S, Uppanisakorn S, Sangsupawanich P, Chusri S, Pinpathomrat N. Intradermal Fractional ChAdOx1 nCoV-19 Booster Vaccine Induces Memory T Cells: A Follow-Up Study. Vaccines (Basel) 2024; 12:109. [PMID: 38400093 PMCID: PMC10891531 DOI: 10.3390/vaccines12020109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/25/2024] Open
Abstract
The administration of viral vector and mRNA vaccine booster effectively induces humoral and cellular immune responses. Effector T cell responses after fractional intradermal (ID) vaccination are comparable to those after intramuscular (IM) boosters. Here, we quantified T cell responses after booster vaccination. ChAdOx1 nCoV-19 vaccination induced higher numbers of S1-specific CD8+ memory T cells, consistent with the antibody responses. Effector memory T cell phenotypes elicited by mRNA vaccination showed a similar trend to those elicited by the viral vector vaccine booster. Three months post-vaccination, cytokine responses remained detectable, confirming effector T cell responses induced by both vaccines. The ID fractional dose of ChAdOx1 nCoV-19 elicited higher effector CD8+ T cell responses than IM vaccination. This study confirmed that an ID dose-reduction vaccination strategy effectively stimulates effector memory T cell responses. ID injection could be an improved approach for effective vaccination programs.
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Affiliation(s)
- Ratchanon Sophonmanee
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (R.S.); (P.P.); (J.O.); (B.S.)
| | - Perawas Preampruchcha
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (R.S.); (P.P.); (J.O.); (B.S.)
| | - Jomkwan Ongarj
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (R.S.); (P.P.); (J.O.); (B.S.)
| | - Bunya Seeyankem
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (R.S.); (P.P.); (J.O.); (B.S.)
| | - Porntip Intapiboon
- Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (P.I.); (S.C.)
| | | | - Supattra Uppanisakorn
- Clinical Research Center, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (S.U.); (P.S.)
| | - Pasuree Sangsupawanich
- Clinical Research Center, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (S.U.); (P.S.)
| | - Sarunyou Chusri
- Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (P.I.); (S.C.)
| | - Nawamin Pinpathomrat
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand; (R.S.); (P.P.); (J.O.); (B.S.)
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30
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Weingarten-Gabbay S, Chen DY, Sarkizova S, Taylor HB, Gentili M, Hernandez GM, Pearlman LR, Bauer MR, Rice CM, Clauser KR, Hacohen N, Carr SA, Abelin JG, Saeed M, Sabeti PC. The HLA-II immunopeptidome of SARS-CoV-2. Cell Rep 2024; 43:113596. [PMID: 38117652 PMCID: PMC10860710 DOI: 10.1016/j.celrep.2023.113596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 11/08/2023] [Accepted: 12/01/2023] [Indexed: 12/22/2023] Open
Abstract
Targeted synthetic vaccines have the potential to transform our response to viral outbreaks, yet the design of these vaccines requires a comprehensive knowledge of viral immunogens. Here, we report severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) peptides that are naturally processed and loaded onto human leukocyte antigen-II (HLA-II) complexes in infected cells. We identify over 500 unique viral peptides from canonical proteins as well as from overlapping internal open reading frames. Most HLA-II peptides colocalize with known CD4+ T cell epitopes in coronavirus disease 2019 patients, including 2 reported immunodominant regions in the SARS-CoV-2 membrane protein. Overall, our analyses show that HLA-I and HLA-II pathways target distinct viral proteins, with the structural proteins accounting for most of the HLA-II peptidome and nonstructural and noncanonical proteins accounting for the majority of the HLA-I peptidome. These findings highlight the need for a vaccine design that incorporates multiple viral elements harboring CD4+ and CD8+ T cell epitopes to maximize vaccine effectiveness.
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Affiliation(s)
- Shira Weingarten-Gabbay
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA; Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY, USA.
| | - Da-Yuan Chen
- Department of Biochemistry & Cell Biology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA, USA
| | | | - Hannah B Taylor
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | - Matteo Gentili
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | | | - Leah R Pearlman
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | - Matthew R Bauer
- Harvard Program in Biological and Biomedical Sciences, Division of Medical Sciences, Harvard University Medical School, Boston, MA, USA
| | - Charles M Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY, USA
| | - Karl R Clauser
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | - Nir Hacohen
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Steven A Carr
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | | | - Mohsan Saeed
- Department of Biochemistry & Cell Biology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA, USA
| | - Pardis C Sabeti
- Broad Institute of MIT and Harvard University, Cambridge, MA, USA; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA, USA; Department of Immunology and Infectious Disease, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA
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31
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Prakash S, Dhanushkodi NR, Zayou L, Ibraim IC, Quadiri A, Coulon PG, Tifrea DF, Suzer B, Shaik AM, Chilukuri A, Edwards RA, Singer M, Vahed H, Nesburn AB, Kuppermann BD, Ulmer JB, Gil D, Jones TM, BenMohamed L. Cross-protection induced by highly conserved human B, CD4 +, and CD8 + T-cell epitopes-based vaccine against severe infection, disease, and death caused by multiple SARS-CoV-2 variants of concern. Front Immunol 2024; 15:1328905. [PMID: 38318166 PMCID: PMC10839970 DOI: 10.3389/fimmu.2024.1328905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/02/2024] [Indexed: 02/07/2024] Open
Abstract
Background The coronavirus disease 2019 (COVID-19) pandemic has created one of the largest global health crises in almost a century. Although the current rate of Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections has decreased significantly, the long-term outlook of COVID-19 remains a serious cause of morbidity and mortality worldwide, with the mortality rate still substantially surpassing even that recorded for influenza viruses. The continued emergence of SARS-CoV-2 variants of concern (VOCs), including multiple heavily mutated Omicron sub-variants, has prolonged the COVID-19 pandemic and underscores the urgent need for a next-generation vaccine that will protect from multiple SARS-CoV-2 VOCs. Methods We designed a multi-epitope-based coronavirus vaccine that incorporated B, CD4+, and CD8+ T- cell epitopes conserved among all known SARS-CoV-2 VOCs and selectively recognized by CD8+ and CD4+ T-cells from asymptomatic COVID-19 patients irrespective of VOC infection. The safety, immunogenicity, and cross-protective immunity of this pan-variant SARS-CoV-2 vaccine were studied against six VOCs using an innovative triple transgenic h-ACE-2-HLA-A2/DR mouse model. Results The pan-variant SARS-CoV-2 vaccine (i) is safe , (ii) induces high frequencies of lung-resident functional CD8+ and CD4+ TEM and TRM cells , and (iii) provides robust protection against morbidity and virus replication. COVID-19-related lung pathology and death were caused by six SARS-CoV-2 VOCs: Alpha (B.1.1.7), Beta (B.1.351), Gamma or P1 (B.1.1.28.1), Delta (lineage B.1.617.2), and Omicron (B.1.1.529). Conclusion A multi-epitope pan-variant SARS-CoV-2 vaccine bearing conserved human B- and T- cell epitopes from structural and non-structural SARS-CoV-2 antigens induced cross-protective immunity that facilitated virus clearance, and reduced morbidity, COVID-19-related lung pathology, and death caused by multiple SARS-CoV-2 VOCs.
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Affiliation(s)
- Swayam Prakash
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Nisha R Dhanushkodi
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Latifa Zayou
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Izabela Coimbra Ibraim
- High Containment Facility, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Afshana Quadiri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Pierre Gregoire Coulon
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Delia F Tifrea
- Department of Pathology and Laboratory Medicine, School of Medicine, the University of California Irvine, Irvine, CA, United States
| | - Berfin Suzer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Amin Mohammed Shaik
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Amruth Chilukuri
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Robert A Edwards
- Department of Pathology and Laboratory Medicine, School of Medicine, the University of California Irvine, Irvine, CA, United States
| | - Mahmoud Singer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Hawa Vahed
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Anthony B Nesburn
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Baruch D Kuppermann
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
| | - Jeffrey B Ulmer
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Daniel Gil
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Trevor M Jones
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
| | - Lbachir BenMohamed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, University of California Irvine, School of Medicine, Irvine, CA, United States
- Department of Vaccines and Immunotherapies, TechImmune, LLC, University Lab Partners, Irvine, CA, United States
- Division of Infectious Diseases and Hospitalist Program, Department of Medicine, School of Medicine, the University of California Irvine, Irvine, CA, United States
- Institute for Immunology; University of California Irvine, School of Medicine, Irvine, CA, United States
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Cruz Cisneros MC, Anderson EJ, Hampton BK, Parotti B, Sarkar S, Taft-Benz S, Bell TA, Blanchard M, Dillard JA, Dinnon KH, Hock P, Leist SR, Madden EA, Shaw GD, West A, Baric RS, Baxter VK, Pardo-Manuel de Villena F, Heise MT, Ferris MT. Host Genetic Variation Impacts SARS-CoV-2 Vaccination Response in the Diversity Outbred Mouse Population. Vaccines (Basel) 2024; 12:103. [PMID: 38276675 PMCID: PMC10821422 DOI: 10.3390/vaccines12010103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/12/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
The COVID-19 pandemic led to the rapid and worldwide development of highly effective vaccines against SARS-CoV-2. However, there is significant individual-to-individual variation in vaccine efficacy due to factors including viral variants, host age, immune status, environmental and host genetic factors. Understanding those determinants driving this variation may inform the development of more broadly protective vaccine strategies. While host genetic factors are known to impact vaccine efficacy for respiratory pathogens such as influenza and tuberculosis, the impact of host genetic variation on vaccine efficacy against COVID-19 is not well understood. To model the impact of host genetic variation on SARS-CoV-2 vaccine efficacy, while controlling for the impact of non-genetic factors, we used the Diversity Outbred (DO) mouse model. We found that DO mice immunized against SARS-CoV-2 exhibited high levels of variation in vaccine-induced neutralizing antibody responses. While the majority of the vaccinated mice were protected from virus-induced disease, similar to human populations, we observed vaccine breakthrough in a subset of mice. Importantly, we found that this variation in neutralizing antibody, virus-induced disease, and viral titer is heritable, indicating that the DO serves as a useful model system for studying the contribution of genetic variation of both vaccines and disease outcomes.
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Affiliation(s)
- Marta C. Cruz Cisneros
- Genetics and Molecular Biology Curriculum, University of North Carolina, Chapel Hill, NC 27599, USA; (M.C.C.C.); (B.K.H.)
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Elizabeth J. Anderson
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (E.J.A.); (V.K.B.)
| | - Brea K. Hampton
- Genetics and Molecular Biology Curriculum, University of North Carolina, Chapel Hill, NC 27599, USA; (M.C.C.C.); (B.K.H.)
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Breantié Parotti
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Sanjay Sarkar
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Sharon Taft-Benz
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Timothy A. Bell
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Matthew Blanchard
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Jacob A. Dillard
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA; (J.A.D.); (E.A.M.); (R.S.B.)
| | - Kenneth H. Dinnon
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA; (J.A.D.); (E.A.M.); (R.S.B.)
| | - Pablo Hock
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Sarah R. Leist
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (S.R.L.)
| | - Emily A. Madden
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA; (J.A.D.); (E.A.M.); (R.S.B.)
| | - Ginger D. Shaw
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
| | - Ande West
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (S.R.L.)
| | - Ralph S. Baric
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA; (J.A.D.); (E.A.M.); (R.S.B.)
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (S.R.L.)
| | - Victoria K. Baxter
- Division of Comparative Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (E.J.A.); (V.K.B.)
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- Texas Biomedical Research Institute, San Antonio, TX 78227, USA
| | - Fernando Pardo-Manuel de Villena
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Mark T. Heise
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA; (J.A.D.); (E.A.M.); (R.S.B.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Martin T. Ferris
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA; (B.P.); (S.S.); (S.T.-B.); (T.A.B.); (M.B.); (P.H.); (G.D.S.); (F.P.-M.d.V.); (M.T.H.)
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Benede N, Tincho MB, Walters A, Subbiah V, Ngomti A, Baguma R, Butters C, Hahnle L, Mennen M, Skelem S, Adriaanse M, Facey-Thomas H, Scott C, Day J, Spracklen TF, van Graan S, Balla SR, Moyo-Gwete T, Moore PL, MacGinty R, Botha M, Workman L, Johnson M, Goldblatt D, Zar HJ, Ntusi NA, Zühlke L, Webb K, Riou C, Burgers WA, Keeton RS. Distinct T cell polyfunctional profile in SARS-CoV-2 seronegative children associated with endemic human coronavirus cross-reactivity. iScience 2024; 27:108728. [PMID: 38235336 PMCID: PMC10792240 DOI: 10.1016/j.isci.2023.108728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 10/19/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024] Open
Abstract
SARS-CoV-2 infection in children typically results in asymptomatic or mild disease. There is a paucity of studies on SARS-CoV-2 antiviral immunity in African children. We investigated SARS-CoV-2-specific T cell responses in 71 unvaccinated asymptomatic South African children who were seropositive or seronegative for SARS-CoV-2. SARS-CoV-2-specific CD4+ T cell responses were detectable in 83% of seropositive and 60% of seronegative children. Although the magnitude of the CD4+ T cell response did not differ significantly between the two groups, their functional profiles were distinct, with SARS-CoV-2 seropositive children exhibiting a higher proportion of polyfunctional T cells compared to their seronegative counterparts. The frequency of SARS-CoV-2-specific CD4+ T cells in seronegative children was associated with the endemic human coronavirus (HCoV) HKU1 IgG response. Overall, the presence of SARS-CoV-2-responding T cells in seronegative children may result from cross-reactivity to endemic coronaviruses and could contribute to the relative protection from disease observed in SARS-CoV-2-infected children.
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Affiliation(s)
- Ntombi Benede
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Marius B. Tincho
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Avril Walters
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Vennesa Subbiah
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Amkele Ngomti
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Richard Baguma
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Claire Butters
- Division of Paediatric Rheumatology, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Observatory, South Africa
| | - Lina Hahnle
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Mathilda Mennen
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Sango Skelem
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Marguerite Adriaanse
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Heidi Facey-Thomas
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
| | - Christiaan Scott
- Division of Paediatric Rheumatology, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Observatory, South Africa
| | - Jonathan Day
- Division of Paediatric Rheumatology, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Observatory, South Africa
| | - Timothy F. Spracklen
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Observatory, South Africa
- South African Medical Research Council, Francie Van Zijl Drive, Parow Cape Town, South Africa
| | - Strauss van Graan
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- SA MRC Antibody Immunity Research Unit, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa
| | - Sashkia R. Balla
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- SA MRC Antibody Immunity Research Unit, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa
| | - Thandeka Moyo-Gwete
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- SA MRC Antibody Immunity Research Unit, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa
| | - Penny L. Moore
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- SA MRC Antibody Immunity Research Unit, School of Pathology, University of the Witwatersrand, Johannesburg, South Africa
- Centre for the AIDS Programme of Research in South Africa, Durban, South Africa
| | - Rae MacGinty
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Medical Research Council (MRC) Unit on Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Maresa Botha
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Medical Research Council (MRC) Unit on Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Lesley Workman
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Medical Research Council (MRC) Unit on Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Marina Johnson
- Great Ormond Street Institute of Child Health Biomedical Research Centre, University College London, London, UK
| | - David Goldblatt
- Great Ormond Street Institute of Child Health Biomedical Research Centre, University College London, London, UK
| | - Heather J. Zar
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Medical Research Council (MRC) Unit on Child and Adolescent Health, University of Cape Town, Cape Town, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Ntobeko A.B. Ntusi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Observatory, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Liesl Zühlke
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Observatory, South Africa
- South African Medical Research Council, Francie Van Zijl Drive, Parow Cape Town, South Africa
| | - Kate Webb
- Division of Paediatric Rheumatology, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Observatory, South Africa
- Crick African Network, The Francis Crick Institute, London, UK
| | - Catherine Riou
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Wendy A. Burgers
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Roanne S. Keeton
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
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Ratishvili T, Quach HQ, Haralambieva IH, Suryawanshi YR, Ovsyannikova IG, Kennedy RB, Poland GA. A multifaceted approach for identification, validation, and immunogenicity of naturally processed and in silico-predicted highly conserved SARS-CoV-2 peptides. Vaccine 2024; 42:162-174. [PMID: 38105139 DOI: 10.1016/j.vaccine.2023.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 11/19/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023]
Abstract
SARS-CoV-2 remains a major global public health concern. Antibody waning and immune escape variant emergence necessitate the development of next generation vaccines that induce cross-reactive durable immune responses. T cell responses to SARS-CoV-2 demonstrate higher conservation, antigenic breadth, and longevity than antibody responses. Therefore, we sought to identify pathogen-derived T cell epitopes for a potential peptide-based vaccine. We pursued an approach leveraging: 1) liquid chromatography and tandem mass spectrometry (LC-MS/MS)-based identification of peptides from ancestral SARS-CoV-2-infected cell lines, 2) epitope prediction algorithms, and 3) overlapping peptide libraries. From this strategy, we identified 380 unique SARS-CoV-2-derived peptide sequences, including 53 antigenic HLA class I and class II peptides from multiple structural and non-structural/accessory viral proteins. These peptide sequences were highly conserved across variants of concern/interest (VoC/VoIs), and are estimated to achieve coverage of >96% of the world population. Our findings validate this discovery pipeline for peptide identification and immunogenicity testing, and are a crucial step toward the development of a next-generation multi-epitope SARS-CoV-2 peptide vaccine, and a novel vaccine platform methodology.
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Affiliation(s)
- Tamar Ratishvili
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Huy Quang Quach
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Iana H Haralambieva
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Yogesh R Suryawanshi
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Inna G Ovsyannikova
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Richard B Kennedy
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Gregory A Poland
- Mayo Clinic Vaccine Research Group, Department of General Internal Medicine, Mayo Clinic, Rochester, MN, USA.
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35
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Sun P, Cheng B, Ru J, Li X, Fang G, Xie Y, Shi G, Hou J, Zhao L, Gan L, Ma L, Liang C, Chen Y, Li Z. Nano-carrier DMSN for effective multi-antigen vaccination against SARS-CoV-2. J Nanobiotechnology 2024; 22:11. [PMID: 38167103 PMCID: PMC10763455 DOI: 10.1186/s12951-023-02271-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
The pandemic caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has had a profound impact on the global health and economy. While mass vaccination for herd immunity is effective, emerging SARS-CoV-2 variants can evade spike protein-based COVID-19 vaccines. In this study, we develop a new immunization strategy by utilizing a nanocarrier, dendritic mesoporous silica nanoparticle (DMSN), to deliver the receptor-binding domain (RBD) and conserved T-cell epitope peptides (DMSN-P-R), aiming to activate both humoral and cellular immune responses in the host. The synthesized DMSN had good uniformity and dispersion and showed a strong ability to load the RBD and peptide antigens, enhancing their uptake by antigen-presenting cells (APCs) and promoting antigen delivery to lymph nodes. The DMSN-P-R vaccine elicited potent humoral immunity, characterized by highly specific RBD antibodies. Neutralization tests demonstrated significant antibody-mediated neutralizing activity against live SARS-CoV-2. Crucially, the DMSN-P-R vaccine also induced robust T-cell responses that were specifically stimulated by the RBD and conserved T-cell epitope peptides of SARS-CoV-2. The DMSN demonstrated excellent biocompatibility and biosafety in vitro and in vivo, along with degradability. Our study introduces a promising vaccine strategy that utilizes nanocarriers to deliver a range of antigens, effectively enhancing both humoral and cellular immune responses to prevent virus transmission.
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Affiliation(s)
- Peng Sun
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Bingsheng Cheng
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Jiaxi Ru
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Xiaoyan Li
- Key Laboratory of Public Health Detection and Etiological Research of Zhejiang Province, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, 310051, China
| | - Guicun Fang
- Microscopy Core Facility, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Yinli Xie
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Guangjiang Shi
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Jichao Hou
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Longwei Zhao
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Lipeng Gan
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Lina Ma
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Chao Liang
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China
| | - Yin Chen
- Key Laboratory of Public Health Detection and Etiological Research of Zhejiang Province, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, 310051, China.
| | - Zhiyong Li
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315302, China.
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Zeng YC, Young OJ, Si L, Ku MW, Isinelli G, Rajwar A, Jiang A, Wintersinger CM, Graveline AR, Vernet A, Sanchez M, Ryu JH, Kwon IC, Goyal G, Ingber DE, Shih WM. DNA origami vaccine (DoriVac) nanoparticles improve both humoral and cellular immune responses to infectious diseases. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.12.29.573647. [PMID: 38260393 PMCID: PMC10802255 DOI: 10.1101/2023.12.29.573647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Current SARS-CoV-2 vaccines have demonstrated robust induction of neutralizing antibodies and CD4+ T cell activation, however CD8+ responses are variable, and the duration of immunity and protection against variants are limited. Here we repurposed our DNA origami vaccine platform, DoriVac, for targeting infectious viruses, namely SARS-CoV-2, HIV, and Ebola. The DNA origami nanoparticle, conjugated with infectious-disease-specific HR2 peptides, which act as highly conserved antigens, and CpG adjuvant at precise nanoscale spacing, induced neutralizing antibodies, Th1 CD4+ T cells, and CD8+ T cells in naïve mice, with significant improvement over a bolus control. Pre-clinical studies using lymph-node-on-a-chip systems validated that DoriVac, when conjugated with antigenic peptides or proteins, induced promising cellular immune responses in human cells. These results suggest that DoriVac holds potential as a versatile, modular vaccine platform, capable of inducing both humoral and cellular immunities. The programmability of this platform underscores its potential utility in addressing future pandemics.
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Affiliation(s)
- Yang C. Zeng
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, USA
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Olivia J. Young
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA
- Harvard-Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA
| | - Longlong Si
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Min Wen Ku
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Giorgia Isinelli
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Anjali Rajwar
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Amanda Jiang
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Chris M. Wintersinger
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Amanda R. Graveline
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Andyna Vernet
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Melinda Sanchez
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Ju Hee Ryu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, USA
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Ick Chan Kwon
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, USA
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
| | - Girija Goyal
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
| | - Donald E. Ingber
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital and Harvard Medical School, Boston, MA, USA
- Harvard John A. Paulson School of Engineering and Applied Sciences, Cambridge, MA, USA
| | - William M. Shih
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, USA
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA
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Ferreras C, Hernández-Blanco C, Martín-Quirós A, Al-Akioui-Sanz K, Mora-Rillo M, Ibáñez F, Díaz-Almirón M, Cano-Ochando J, Lozano-Ojalvo D, Jiménez-González M, Goterris R, Sánchez-Zapardiel E, de Paz R, Guerra-García P, Queiruga-Parada J, Molina P, Briones ML, Ruz-Caracuel B, Borobia AM, Carcas AJ, Planelles D, Vicario JL, Moreno MÁ, Balas A, Llano M, Llorente A, Del Balzo Á, Cañada C, García MÁ, Calvin ME, Arenas I, Pérez de Diego R, Eguizábal C, Soria B, Solano C, Pérez-Martínez A. Results of phase 2 randomized multi-center study to evaluate the safety and efficacy of infusion of memory T cells as adoptive therapy in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pneumonia and/or lymphopenia (RELEASE NCT04578210). Cytotherapy 2024; 26:25-35. [PMID: 37897472 DOI: 10.1016/j.jcyt.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/05/2023] [Accepted: 10/05/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND AIMS There are currently no effective anti-viral treatments for coronavirus disease 2019 (COVID-19)-hospitalized patients with hypoxemia. Lymphopenia is a biomarker of disease severity usually present in patients who are hospitalized. Approaches to increasing lymphocytes exerting an anti-viral effect must be considered to treat these patients. Following our phase 1 study, we performed a phase 2 randomized multicenter clinical trial in which we evaluated the efficacy of the infusion of allogeneic off-the-shelf CD45RA- memory T cells containing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific T cells from convalescent donors plus the standard of care (SoC) versus just the SoC treatment. METHODS Eighty-four patients were enrolled in three Spanish centers. The patients were randomized into the infusion of 1 × 106/kg CD45RA- memory T cells or the SoC. We selected four unvaccinated donors based on the expression of interferon gamma SARS-CoV-2-specific response within the CD45RA- memory T cells and the most frequent human leukocyte antigen typing in the Spanish population. RESULTS We analyzed data from 81 patients. The primary outcome for recovery, defined as the proportion of participants in each group with normalization of fever, oxygen saturation sustained for at least 24 hours and lymphopenia recovery through day 14 or at discharge, was met for the experimental arm. We also observed faster lymphocyte recovery in the experimental group. We did not observe any treatment-related adverse events. CONCLUSIONS Adoptive cell therapy with off-the-shelf CD45RA- memory T cells containing SAR-CoV-2-specific T cells is safe, effective and accelerates lymphocyte recovery of patients with COVID-19 pneumonia and/or lymphopenia. TRIAL REGISTRATION NCT04578210.
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Affiliation(s)
- Cristina Ferreras
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain
| | - Clara Hernández-Blanco
- Internal Medicine Department, Hospital de Emergencias Enfermera Isabel Zendal, Madrid, Spain
| | | | - Karima Al-Akioui-Sanz
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain
| | - Marta Mora-Rillo
- Infectious Diseases Unit, Internal Medicine Department, University Hospital La Paz, Hospital La Paz Institute for Health Research, IdiPAZ, Consorcio Centro de Investigación Biomédica en Red CIBER-Infec, Madrid, Spain
| | - Fátima Ibáñez
- Internal Medicine Department, Hospital Puerta de Hierro, Madrid, Spain
| | | | - Jordi Cano-Ochando
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Centro Nacional de Microbiologia, Instituto de Salud Carlos III, 28220 Madrid, Spain; Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Daniel Lozano-Ojalvo
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - María Jiménez-González
- Infectious Diseases Unit, Internal Medicine Department, University Hospital La Paz, Hospital La Paz Institute for Health Research, IdiPAZ, Consorcio Centro de Investigación Biomédica en Red CIBER-Infec, Madrid, Spain; Clinical Trials Unit (UCICEC) at Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain
| | - Rosa Goterris
- Hematology Department, Hospital Clinico Universitario, Valencia, Spain
| | | | - Raquel de Paz
- Hematology Department, University Hospital La Paz, Madrid, Spain
| | - Pilar Guerra-García
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain; Pediatric Hemato-Oncology Department, University Hospital La Paz, Madrid, Spain
| | | | - Pablo Molina
- Clinical Pharmacology Department, University Hospital La Paz, Madrid, Spain
| | | | - Beatriz Ruz-Caracuel
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain
| | - Alberto M Borobia
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain; Clinical Trials Unit (UCICEC) at Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain; Clinical Pharmacology Department, University Hospital La Paz, Madrid, Spain
| | - Antonio J Carcas
- Clinical Trials Unit (UCICEC) at Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain; Clinical Pharmacology Department, University Hospital La Paz, Madrid, Spain; Faculty of Medicine Universidad Autónoma de Madrid, Madrid, Spain
| | - Dolores Planelles
- Department of Histocompatibility, Centro de Transfusión de la Comunidad Valenciana, Valencia, Spain
| | - José Luis Vicario
- Histocompatibility, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain
| | - Miguel Ángel Moreno
- Histocompatibility, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain
| | - Antonio Balas
- Histocompatibility, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain
| | - Marta Llano
- Infectious Diseases Department, Hospital de Emergencias Enfermera Isabel Zendal, Madrid, Spain
| | - Andrea Llorente
- Infectious Diseases Department, Hospital de Emergencias Enfermera Isabel Zendal, Madrid, Spain
| | - Álvaro Del Balzo
- Emergency Unit, Internal Medicine Department, University Hospital La Paz, Madrid, Spain
| | - Carlos Cañada
- Emergency Unit, Internal Medicine Department, University Hospital La Paz, Madrid, Spain
| | - Miguel Ángel García
- Emergency Unit, Internal Medicine Department, University Hospital La Paz, Madrid, Spain
| | - María Elena Calvin
- Emergency Unit, Internal Medicine Department, University Hospital La Paz, Madrid, Spain
| | - Isabel Arenas
- Emergency Unit, Internal Medicine Department, University Hospital La Paz, Madrid, Spain
| | - Rebeca Pérez de Diego
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, La Paz University Hospital, Madrid, Spain; Innate Immunity Group, IdiPAZ Institute for Health Research, La Paz University Hospital, Madrid, Spain; Interdepartmental Group of Immunodeficiencies, Madrid, Spain
| | - Cristina Eguizábal
- Research Unit, Basque Centre for Blood Transfusion and Human Tissues, Osakidetza, Bizkaia, Spain; Biocruces Bizkaia Health Research Institute, Bizkaia, Spain
| | - Bernat Soria
- Health Research Institute-ISABIAL, Alicante University Hospital and Institute of Bioengineering, Miguel Hernández University, Alicante, Spain; University Pablo de Olavide, Sevilla, Spain
| | - Carlos Solano
- Hematology Department, Hospital Clinico Universitario, Valencia, Spain; Department of Medicine, University of Valencia, Valencia, Spain
| | - Antonio Pérez-Martínez
- Hospital La Paz Institute for Health Research, IdiPAZ, University Hospital La Paz, Madrid, Spain; Pediatric Hemato-Oncology Department, University Hospital La Paz, Madrid, Spain; Faculty of Medicine Universidad Autónoma de Madrid, Madrid, Spain.
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Stefanik O, Majerova P, Kovac A, Mikus P, Piestansky J. Capillary electrophoresis in the analysis of therapeutic peptides-A review. Electrophoresis 2024; 45:120-164. [PMID: 37705480 DOI: 10.1002/elps.202300141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/15/2023]
Abstract
Therapeutic peptides are a growing class of innovative drugs with high efficiency and a low risk of adverse effects. These biomolecules fall within the molecular mass range between that of small molecules and proteins. However, their inherent instability and potential for degradation underscore the importance of reliable and effective analytical methods for pharmaceutical quality control, therapeutic drug monitoring, and compliance testing. Liquid chromatography-mass spectrometry (LC-MS) has long time been the "gold standard" conventional method for peptide analysis, but capillary electrophoresis (CE) is increasingly being recognized as a complementary and, in some cases, superior, highly efficient, green, and cost-effective alternative technique. CE can separate peptides composed of different amino acids owing to differences in their net charge and size, determining their migration behavior in an electric field. This review provides a comprehensive overview of therapeutic peptides that have been used in the clinical environment for the last 25 years. It describes the properties, classification, current trends in development, and clinical use of therapeutic peptides. From the analytical point of view, it discusses the challenges associated with the analysis of therapeutic peptides in pharmaceutical and biological matrices, as well as the evaluation of CE as a whole and the comparison with LC methods. The article also highlights the use of microchip electrophoresis, nonaqueous CE, and nonconventional hydrodynamically closed CE systems and their applications. Overall, the article emphasizes the importance of developing new CE-based analytical methods to ensure the high quality, safety, and efficacy of therapeutic peptides in clinical practice.
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Affiliation(s)
- Ondrej Stefanik
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Petra Majerova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Andrej Kovac
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Peter Mikus
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Juraj Piestansky
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
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Bharadwaj A, Kaur R, Gupta S. Emerging Treatment Approaches for COVID-19 Infection: A Critical Review. Curr Mol Med 2024; 24:435-448. [PMID: 37070448 DOI: 10.2174/1566524023666230417112543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 04/19/2023]
Abstract
In the present scenario, the SARS-CoV-2 virus has imposed enormous damage on human survival and the global financial system. It has been estimated that around 111 million people all around the world have been infected, and about 2.47 million people died due to this pandemic. The major symptoms were sneezing, coughing, cold, difficulty breathing, pneumonia, and multi-organ failure associated 1with SARS-CoV-2. Currently, two key problems, namely insufficient attempts to develop drugs against SARSCoV-2 and the lack of any biological regulating process, are mostly responsible for the havoc caused by this virus. Henceforth, developing a few novel drugs is urgently required to cure this pandemic. It has been noticed that the pathogenesis of COVID-19 is caused by two main events: infection and immune deficiency, that occur during the pathological process. Antiviral medication can treat both the virus and the host cells. Therefore, in the present review, the major approaches for the treatment have been divided into "target virus" and "target host" groups. These two mechanisms primarily rely on drug repositioning, novel approaches, and possible targets. Initially, we discussed the traditional drugs per the physicians' recommendations. Moreover, such therapeutics have no potential to fight against COVID-19. After that, detailed investigation and analysis were conducted to find some novel vaccines and monoclonal antibodies and conduct a few clinical trials to check their effectiveness against SARSCoV- 2 and mutant strains. Additionally, this study presents the most successful methods for its treatment, including combinatorial therapy. Nanotechnology was studied to build efficient nanocarriers to overcome the traditional constraints of antiviral and biological therapies.
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Affiliation(s)
- Alok Bharadwaj
- Department of Biotechnology, GLA University, Mathura, 281406, UP, India
| | - Rasanpreet Kaur
- Department of Biotechnology, GLA University, Mathura, 281406, UP, India
| | - Saurabh Gupta
- Department of Biotechnology, GLA University, Mathura, 281406, UP, India
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Silva BJDA, Krogstad PA, Teles RMB, Andrade PR, Rajfer J, Ferrini MG, Yang OO, Bloom BR, Modlin RL. IFN-γ-mediated control of SARS-CoV-2 infection through nitric oxide. Front Immunol 2023; 14:1284148. [PMID: 38162653 PMCID: PMC10755032 DOI: 10.3389/fimmu.2023.1284148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 11/30/2023] [Indexed: 01/03/2024] Open
Abstract
Introduction The COVID-19 pandemic has highlighted the need to identify mechanisms of antiviral host defense against SARS-CoV-2. One such mediator is interferon-g (IFN-γ), which, when administered to infected patients, is reported to result in viral clearance and resolution of pulmonary symptoms. IFN-γ treatment of a human lung epithelial cell line triggered an antiviral activity against SARS-CoV-2, yet the mechanism for this antiviral response was not identified. Methods Given that IFN-γ has been shown to trigger antiviral activity via the generation of nitric oxide (NO), we investigated whether IFN-γ induction of antiviral activity against SARS-CoV-2 infection is dependent upon the generation of NO in human pulmonary epithelial cells. We treated the simian epithelial cell line Vero E6 and human pulmonary epithelial cell lines, including A549-ACE2, and Calu-3, with IFN-γ and observed the resulting induction of NO and its effects on SARS-CoV-2 replication. Pharmacological inhibition of inducible nitric oxide synthase (iNOS) was employed to assess the dependency on NO production. Additionally, the study examined the effect of interleukin-1b (IL-1β) on the IFN-g-induced NO production and its antiviral efficacy. Results Treatment of Vero E6 cells with IFN-γ resulted in a dose-responsive induction of NO and an inhibitory effect on SARS-CoV-2 replication. This antiviral activity was blocked by pharmacologic inhibition of iNOS. IFN-γ also triggered a NO-mediated antiviral activity in SARS-CoV-2 infected human lung epithelial cell lines A549-ACE2 and Calu-3. IL-1β enhanced IFN-γ induction of NO, but it had little effect on antiviral activity. Discussion Given that IFN-g has been shown to be produced by CD8+ T cells in the early response to SARS-CoV-2, our findings in human lung epithelial cell lines, of an IFN-γ-triggered, NO-dependent, links the adaptive immune response to an innate antiviral pathway in host defense against SARS-CoV-2. These results underscore the importance of IFN-γ and NO in the antiviral response and provide insights into potential therapeutic strategies for COVID-19.
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Affiliation(s)
- Bruno J. de Andrade Silva
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California (UCLA), Los Angeles, CA, United States
| | - Paul A. Krogstad
- Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
- Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA, United States
| | - Rosane M. B. Teles
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California (UCLA), Los Angeles, CA, United States
| | - Priscila R. Andrade
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California (UCLA), Los Angeles, CA, United States
| | - Jacob Rajfer
- Department of Urology, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Monica G. Ferrini
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
- Department of Health and Life Sciences, Charles R. Drew University of Medicine and Science, Los Angeles, CA, United States
| | - Otto O. Yang
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Barry R. Bloom
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Robert L. Modlin
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine at University of California (UCLA), Los Angeles, CA, United States
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
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Boulton S, Poutou J, Gill R, Alluqmani N, He X, Singaravelu R, Crupi MJ, Petryk J, Austin B, Angka L, Taha Z, Teo I, Singh S, Jamil R, Marius R, Martin N, Jamieson T, Azad T, Diallo JS, Ilkow CS, Bell JC. A T cell-targeted multi-antigen vaccine generates robust cellular and humoral immunity against SARS-CoV-2 infection. Mol Ther Methods Clin Dev 2023; 31:101110. [PMID: 37822719 PMCID: PMC10562195 DOI: 10.1016/j.omtm.2023.101110] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023]
Abstract
SARS-CoV-2, the etiological agent behind the coronavirus disease 2019 (COVID-19) pandemic, has continued to mutate and create new variants with increased resistance against the WHO-approved spike-based vaccines. With a significant portion of the worldwide population still unvaccinated and with waning immunity against newly emerging variants, there is a pressing need to develop novel vaccines that provide broader and longer-lasting protection. To generate broader protective immunity against COVID-19, we developed our second-generation vaccinia virus-based COVID-19 vaccine, TOH-VAC-2, encoded with modified versions of the spike (S) and nucleocapsid (N) proteins as well as a unique poly-epitope antigen that contains immunodominant T cell epitopes from seven different SARS-CoV-2 proteins. We show that the poly-epitope antigen restimulates T cells from the PBMCs of individuals formerly infected with SARS-CoV-2. In mice, TOH-VAC-2 vaccination produces high titers of S- and N-specific antibodies and generates robust T cell immunity against S, N, and poly-epitope antigens. The immunity generated from TOH-VAC-2 is also capable of protecting mice from heterologous challenge with recombinant VSV viruses that express the same SARS-CoV-2 antigens. Altogether, these findings demonstrate the effectiveness of our versatile vaccine platform as an alternative or complementary approach to current vaccines.
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Affiliation(s)
- Stephen Boulton
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Joanna Poutou
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Rida Gill
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Nouf Alluqmani
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Xiaohong He
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Ragunath Singaravelu
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Mathieu J.F. Crupi
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Julia Petryk
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Bradley Austin
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Leonard Angka
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Zaid Taha
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Iris Teo
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Pathology and Laboratory Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Siddarth Singh
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Rameen Jamil
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Ricardo Marius
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Nikolas Martin
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
| | - Taylor Jamieson
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Taha Azad
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
- Faculty of Medicine and Health Sciences, Department of Microbiology and Infectious Diseases, Université de Sherbrooke, Sherbrooke, QC J1E 4K8, Canada
- Centre de Recherche du CHUS, Sherbrooke, QC J1H 5N4, Canada
| | - Jean-Simon Diallo
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Carolina S. Ilkow
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - John C. Bell
- Ottawa Hospital Research Institute, Ottawa, ON K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
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Zhao M, Xu SX, Yang Y, Yuan M. GGNpTCR: A Generative Graph Structure Neural Network for Predicting Immunogenic Peptides for T-cell Immune Response. J Chem Inf Model 2023; 63:7557-7567. [PMID: 37990917 DOI: 10.1021/acs.jcim.3c01293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Identifying the interactions between T-cell receptor (TCRs) and human antigens is a crucial step in developing new vaccines, diagnostics, and immunotherapy. Current methods primarily focus on learning binding patterns from known TCR binding repertoires by using sequence information alone without considering the binding specificity of new antigens or exogenous peptides that have not appeared in the training set. Furthermore, the spatial structure of antigens plays a critical role in immune studies and immunotherapy, which should be addressed properly in the identification of interacting TCR-antigen pairs. In this study, we introduced a novel deep learning framework based on generative graph structures, GGNpTCR, for predicting interactions between TCR and peptides from sequence information. Results of real data analysis indicate that our model achieved excellent prediction for new antigens unseen in the training data set, making significant improvements compared to existing methods. We also applied the model to a large COVID-19 data set with no antigens in the training data set, and the improvement was also significant. Furthermore, through incorporation of additional supervised mechanisms, GGNpTCR demonstrated the ability to precisely forecast the locations of peptide-TCR interactions within 3D configurations. This enhancement substantially improved the model's interpretability. In summary, based on the performance on multiple data sets, GGNpTCR has made significant progress in terms of performance, universality, and interpretability.
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Affiliation(s)
- Minghua Zhao
- Department of Statistics and Finance, University of Science and Technology of China, Hefei 230026, China
| | - Steven X Xu
- Genmab US, Inc., Princeton, New Jersey 08540, United States
| | - Yaning Yang
- Department of Statistics and Finance, University of Science and Technology of China, Hefei 230026, China
| | - Min Yuan
- School of Public Health Administration, Anhui Medical University, Hefei 230032, China
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Meca-Lallana V, Esparcia-Pinedo L, Aguirre C, Díaz-Pérez C, Gutierrez-Cobos A, Sobrado M, Carabajal E, Río BD, Ropero N, Villagrasa R, Vivancos J, Sanchez-Madrid F, Alfranca A. Analysis of humoral and cellular immunity after SARS-CoV-2 vaccination in patients with multiple sclerosis treated with immunomodulatory drugs. CLINICAL IMMUNOLOGY COMMUNICATIONS 2023; 3:6-13. [PMID: 38014396 PMCID: PMC9898989 DOI: 10.1016/j.clicom.2023.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 09/29/2023]
Abstract
We analyzed immune response to SARS-CoV-2 vaccination by measuring specific IgG titers and T-cell reactivity to different SARS-CoV-2 peptides in multiple sclerosis patients taking different disease-modifying treatments. Of the 88 patients included, 72 developed any kind of immune response after vaccination. Although DMTs such as fingolimod and anti-CD20+ treatments prevented patients from developing a robust humoral response to the vaccine, most of them were still able to develop a cellular response, which could be crucial for long-term immunity. It is probably advisable that all MS patients take additional/booster doses to increase their humoral and/or cellular immune response to SARS-CoV-2.
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Affiliation(s)
- Virginia Meca-Lallana
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Laura Esparcia-Pinedo
- Immunology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Clara Aguirre
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Carolina Díaz-Pérez
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Ainhoa Gutierrez-Cobos
- Microbiology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Mónica Sobrado
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Estefanía Carabajal
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Beatriz Del Río
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Noelia Ropero
- Immunology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Ramón Villagrasa
- Preventive Medicine Unit. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - José Vivancos
- Demyelinating Diseases Unit, Neurology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Francisco Sanchez-Madrid
- Immunology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
| | - Arantzazu Alfranca
- Immunology Department. Hospital Universitario de la Princesa, Calle de Diego de León 62, 28006 Madrid, Spain
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44
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Shamabadi NS, Bagasra AB, Pawar S, Bagasra O. Potential use of endemic human coronaviruses to stimulate immunity against pathogenic SARS-CoV-2 and its variants. Libyan J Med 2023; 18:2209949. [PMID: 37186902 DOI: 10.1080/19932820.2023.2209949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023] Open
Abstract
While severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes significant morbidity and mortality in humans, there is a wide range of disease outcomes following virus exposures. Some individuals are asymptomatic while others develop complications within a few days after infection that can lead to fatalities in a smaller portion of the population. In the present study, we have analyzed the factors that may influence the outcome of post-SARS-CoV-2 infection. One factor that may influence virus control is pre-existing immunity conferred by an individual's past exposures to endemic coronaviruses (eCOVIDs) which cause the common cold in humans and generally, most children are exposed to one of the four eCOVIDs before 2 years of age. Here, we have carried out protein sequence analyses to show the amino acid homologies between the four eCOVIDs (i.e. OC43, HKU1, 229E, and NL63) as well as examining the cross-reactive immune responses between SARS-CoV-2 and eCOVIDs by epidemiologic analyses. Our results show that the nations where continuous exposures to eCOVIDs are very high due to religious and traditional causes showed significantly lower cases and low mortality rates per 100,000. We hypothesize that in the areas of the globe where Muslims are in majority and due to religious practices are regularly exposed to eCOVIDs they show a significantly lower infection, as well as mortality rate, and that is due to pre-existing cross-immunity against SARS-CoV-2. This is due to cross-reactive antibodies and T-cells that recognize SARS-CoV-2 antigens. We also have reviewed the current literature that has also proposed that human infections with eCOVIDs impart protection against disease caused by subsequent exposure to SARS-CoV-2. We propose that a nasal spray vaccine consisting of selected genes of eCOVIDs would be beneficial against SARS-CoV-2 and other pathogenic coronaviruses.
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Affiliation(s)
| | - Anisah B Bagasra
- Department of Psychology, Kennesaw State University, Kennesaw, GA, USA
| | - Shrikant Pawar
- Department of Computer Science and Biology, Claflin University, SC, USA
| | - Omar Bagasra
- South Carolina Center for Biotechnology, Claflin University, Orangeburg, SC, USA
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45
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Wang L, Nicols A, Turtle L, Richter A, Duncan CJA, Dunachie SJ, Klenerman P, Payne RP. T cell immune memory after covid-19 and vaccination. BMJ MEDICINE 2023; 2:e000468. [PMID: 38027416 PMCID: PMC10668147 DOI: 10.1136/bmjmed-2022-000468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023]
Abstract
The T cell memory response is a crucial component of adaptive immunity responsible for limiting or preventing viral reinfection. T cell memory after infection with the SARS-CoV-2 virus or vaccination is broad, and spans multiple viral proteins and epitopes, about 20 in each individual. So far the T cell memory response is long lasting and provides a high level of cross reactivity and hence resistance to viral escape by variants of the SARS-CoV-2 virus, such as the omicron variant. All current vaccine regimens tested produce robust T cell memory responses, and heterologous regimens will probably enhance protective responses through increased breadth. T cell memory could have a major role in protecting against severe covid-19 disease through rapid viral clearance and early presentation of epitopes, and the presence of cross reactive T cells might enhance this protection. T cell memory is likely to provide ongoing protection against admission to hospital and death, and the development of a pan-coronovirus vaccine might future proof against new pandemic strains.
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Affiliation(s)
- Lulu Wang
- Translational and Clinical Research Institute, Immunity and Inflammation Theme, Newcastle University, Newcastle upon Tyne, UK
| | - Alex Nicols
- Translational and Clinical Research Institute, Immunity and Inflammation Theme, Newcastle University, Newcastle upon Tyne, UK
| | - Lance Turtle
- NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
- Tropical and Infectious Disease Unit, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Alex Richter
- Institute of Immunology and Immunotherapy, College of Medical and Dental Science, University of Birmingham, Birmingham, UK
| | - Christopher JA Duncan
- Translational and Clinical Research Institute, Immunity and Inflammation Theme, Newcastle University, Newcastle upon Tyne, UK
- Department of Infection and Tropical Medicine, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Susanna J Dunachie
- NDM Centre For Global Health Research, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
- Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University Faculty of Science, Bangkok, Thailand
| | - Paul Klenerman
- Oxford University Hospitals NHS Foundation Trust, Oxford NIHR Biomedical Research Centre, University of Oxford, Oxford, Oxfordshire, UK
- Translational Gastroenterology Unit, University of Oxford, Oxford, UK
| | - Rebecca P Payne
- Translational and Clinical Research Institute, Immunity and Inflammation Theme, Newcastle University, Newcastle upon Tyne, UK
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46
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Lee JS, Karthikeyan D, Fini M, Vincent BG, Rubinsteyn A. ACE configurator for ELISpot: optimizing combinatorial design of pooled ELISpot assays with an epitope similarity model. Brief Bioinform 2023; 25:bbad495. [PMID: 38180831 PMCID: PMC10768796 DOI: 10.1093/bib/bbad495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/16/2023] [Accepted: 12/01/2023] [Indexed: 01/07/2024] Open
Abstract
The enzyme-linked immunosorbent spot (ELISpot) assay is a powerful in vitro immunoassay that enables cost-effective quantification of antigen-specific T-cell reactivity. It is used widely in the context of cancer and infectious diseases to validate the immunogenicity of predicted epitopes. While technological advances have kept pace with the demand for increased throughput, efforts to increase scale are bottlenecked by current assay design and deconvolution methods, which have remained largely unchanged. Current methods for designing pooled ELISpot experiments offer limited flexibility of assay parameters, lack support for high-throughput scenarios and do not consider peptide identity during pool assignment. We introduce the ACE Configurator for ELISpot (ACE) to address these gaps. ACE generates optimized peptide-pool assignments from highly customizable user inputs and handles the deconvolution of positive peptides using assay readouts. In this study, we present a novel sequence-aware pooling strategy, powered by a fine-tuned ESM-2 model that groups immunologically similar peptides, reducing the number of false positives and subsequent confirmatory assays compared to existing combinatorial approaches. To validate ACE's performance on real-world datasets, we conducted a comprehensive benchmark study, contextualizing design choices with their impact on prediction quality. Our results demonstrate ACE's capacity to further increase precision of identified immunogenic peptides, directly optimizing experimental efficiency. ACE is freely available as an executable with a graphical user interface and command-line interfaces at https://github.com/pirl-unc/ace.
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Affiliation(s)
- Jin Seok Lee
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Computational Medicine Program, UNC School of Medicine, Chapel Hill, NC, USA
- Curriculum in Bioinformatics and Computational Biology, UNC School of Medicine, Chapel Hill, NC, USA
| | - Dhuvarakesh Karthikeyan
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Computational Medicine Program, UNC School of Medicine, Chapel Hill, NC, USA
- Curriculum in Bioinformatics and Computational Biology, UNC School of Medicine, Chapel Hill, NC, USA
| | - Misha Fini
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Department of Microbiology and Immunology, UNC School of Medicine, Chapel Hill, NC, USA
| | - Benjamin G Vincent
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Division of Hematology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Department of Microbiology and Immunology, UNC School of Medicine, Chapel Hill, NC, USA
- Computational Medicine Program, UNC School of Medicine, Chapel Hill, NC, USA
- Curriculum in Bioinformatics and Computational Biology, UNC School of Medicine, Chapel Hill, NC, USA
| | - Alex Rubinsteyn
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
- Computational Medicine Program, UNC School of Medicine, Chapel Hill, NC, USA
- Curriculum in Bioinformatics and Computational Biology, UNC School of Medicine, Chapel Hill, NC, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA
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47
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Hvidt AK, Guo H, Andersen R, Lende SSF, Vibholm LK, Søgaard OS, Schleimann MH, Russell V, Cheung AMW, Paramithiotis E, Olesen R, Tolstrup M. Long-term humoral and cellular immunity after primary SARS-CoV-2 infection: a 20-month longitudinal study. BMC Immunol 2023; 24:45. [PMID: 37974069 PMCID: PMC10652616 DOI: 10.1186/s12865-023-00583-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND SARS-CoV-2 remains a world-wide health issue. SARS-CoV-2-specific immunity is induced upon both infection and vaccination. However, defining the long-term immune trajectory, especially after infection, is limited. In this study, we aimed to further the understanding of long-term SARS-CoV-2-specific immune response after infection. RESULTS We conducted a longitudinal cohort study among 93 SARS-CoV-2 recovered individuals. Immune responses were continuously monitored for up to 20 months after infection. The humoral responses were quantified by Spike- and Nucleocapsid-specific IgG levels. T cell responses to Spike- and non-Spike epitopes were examined using both intercellular cytokine staining (ICS) assay and Activation-Induced marker (AIM) assay with quantification of antigen-specific IFNγ production. During the 20 months follow-up period, Nucleocapsid-specific antibody levels and non-Spike-specific CD4 + and CD8 + T cell frequencies decreased in the blood. However, a majority of participants maintained a durable immune responses 20 months after infection: 59% of the participants were seropositive for Nucleocapsid-specific IgG, and more than 70% had persisting non-Spike-specific T cells. The Spike-specific response initially decreased but as participants were vaccinated against COVID-19, Spike-specific IgG levels and T cell frequencies were boosted reaching similar or higher levels compared to 1 month post-infection. The trajectory of infection-induced SARS-CoV-2-specific immunity decreases, but for the majority of participants it persists beyond 20 months. The T cell response displays a greater durability. Vaccination boosts Spike-specific immune responses to similar or higher levels as seen after primary infection. CONCLUSIONS For most participants, the response persists 20 months after infection, and the cellular response appears to be more long-lived compared to the circulating antibody levels. Vaccination boosts the S-specific response but does not affect the non-S-specific response. Together, these findings support the understanding of immune contraction, and with studies showing the immune levels required for protection, adds to the knowledge of durability of protection against future SARS-CoV-2.
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Affiliation(s)
- Astrid Korning Hvidt
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Rebecca Andersen
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Stine Sofie Frank Lende
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Line Khalidan Vibholm
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Ole Schmeltz Søgaard
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Marianne Hoegsbjerg Schleimann
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Victoria Russell
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Angela Man-Wei Cheung
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Department of Medicine, University Health Network, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
| | | | - Rikke Olesen
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Martin Tolstrup
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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48
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Xing M, Wang Y, Wang X, Liu J, Dai W, Hu G, He F, Zhao Q, Li Y, Sun L, Wang Y, Du S, Dong Z, Pang C, Hu Z, Zhang X, Xu J, Cai Q, Zhou D. Broad-spectrum vaccine via combined immunization routes triggers potent immunity to SARS-CoV-2 and its variants. J Virol 2023; 97:e0072423. [PMID: 37706688 PMCID: PMC10617383 DOI: 10.1128/jvi.00724-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/09/2023] [Indexed: 09/15/2023] Open
Abstract
IMPORTANCE The development of broad-spectrum SARS-CoV-2 vaccines will reduce the global economic and public health stress from the COVID-19 pandemic. The use of conserved T-cell epitopes in combination with spike antigen that induce humoral and cellular immune responses simultaneously may be a promising strategy to further enhance the broad spectrum of COVID-19 vaccine candidates. Moreover, this research suggests that the combined vaccination strategies have the ability to induce both effective systemic and mucosal immunity, which may represent promising strategies for maximizing the protective efficacy of respiratory virus vaccines.
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Affiliation(s)
- Man Xing
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yihan Wang
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Xinyu Wang
- MOE&NHC&CAMS Key Laboratory of Medical Molecular Virology, Shanghai Institute of Infections Disease and Biosecurity, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jiaojiao Liu
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Weiqian Dai
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Gaowei Hu
- MOE&NHC&CAMS Key Laboratory of Medical Molecular, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Furong He
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Qian Zhao
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Ying Li
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Lingjin Sun
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yuyan Wang
- MOE&NHC&CAMS Key Laboratory of Medical Molecular, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Shujuan Du
- MOE&NHC&CAMS Key Laboratory of Medical Molecular, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhongwei Dong
- MOE&NHC&CAMS Key Laboratory of Medical Molecular, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Chongjie Pang
- Department of Infectious Diseases, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhidong Hu
- Department of Clinical Laboratory, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaoyan Zhang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Jianqing Xu
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Qiliang Cai
- MOE&NHC&CAMS Key Laboratory of Medical Molecular Virology, Shanghai Institute of Infections Disease and Biosecurity, Frontiers Science Center of Pathogenic Microorganisms and Infection, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Dongming Zhou
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
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49
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Bean DJ, Monroe J, Liang YM, Borberg E, Senussi Y, Swank Z, Chalise S, Walt D, Weinberg J, Sagar M. Heterotypic responses against nsp12/nsp13 from prior SARS-CoV-2 infection associates with lower subsequent endemic coronavirus incidence. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.23.563621. [PMID: 37961343 PMCID: PMC10634759 DOI: 10.1101/2023.10.23.563621] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Immune responses from prior SARS-CoV-2 infection and COVID-19 vaccination do not prevent re-infections and may not protect against future novel coronaviruses (CoVs). We examined the incidence of and immune differences against human endemic CoVs (eCoV) as a proxy for response against future emerging CoVs. Assessment was among those with known SARS-CoV-2 infection, COVID-19 vaccination but no documented SARS-CoV-2 infection, or neither exposure. Retrospective cohort analyses suggest that prior SARS-CoV-2 infection, but not COVID-19 vaccination alone, protects against subsequent symptomatic eCoV infection. CD8+ T cell responses to the non-structural eCoV proteins, nsp12 and nsp13, were significantly higher in individuals with previous SARS-CoV-2 infection as compared to the other groups. The three groups had similar cellular responses against the eCoV spike and nucleocapsid, and those with prior spike exposure had lower eCoV-directed neutralizing antibodies. Incorporation of non-structural viral antigens in a future pan-CoV vaccine may improve protection against future heterologous CoV infections.
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Affiliation(s)
- David J. Bean
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Janet Monroe
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Yan Mei Liang
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Ella Borberg
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Yasmeen Senussi
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Zoe Swank
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Sujata Chalise
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - David Walt
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, MA
| | - Manish Sagar
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
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50
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Goyal A, Bauer J, Hey J, Papageorgiou DN, Stepanova E, Daskalakis M, Scheid J, Dubbelaar M, Klimovich B, Schwarz D, Märklin M, Roerden M, Lin YY, Ma T, Mücke O, Rammensee HG, Lübbert M, Loayza-Puch F, Krijgsveld J, Walz JS, Plass C. DNMT and HDAC inhibition induces immunogenic neoantigens from human endogenous retroviral element-derived transcripts. Nat Commun 2023; 14:6731. [PMID: 37872136 PMCID: PMC10593957 DOI: 10.1038/s41467-023-42417-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 10/11/2023] [Indexed: 10/25/2023] Open
Abstract
Immunotherapies targeting cancer-specific neoantigens have revolutionized the treatment of cancer patients. Recent evidence suggests that epigenetic therapies synergize with immunotherapies, mediated by the de-repression of endogenous retroviral element (ERV)-encoded promoters, and the initiation of transcription. Here, we use deep RNA sequencing from cancer cell lines treated with DNA methyltransferase inhibitor (DNMTi) and/or Histone deacetylase inhibitor (HDACi), to assemble a de novo transcriptome and identify several thousand ERV-derived, treatment-induced novel polyadenylated transcripts (TINPATs). Using immunopeptidomics, we demonstrate the human leukocyte antigen (HLA) presentation of 45 spectra-validated treatment-induced neopeptides (t-neopeptides) arising from TINPATs. We illustrate the potential of the identified t-neopeptides to elicit a T-cell response to effectively target cancer cells. We further verify the presence of t-neopeptides in AML patient samples after in vivo treatment with the DNMT inhibitor Decitabine. Our findings highlight the potential of ERV-derived neoantigens in epigenetic and immune therapies.
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Affiliation(s)
- Ashish Goyal
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jens Bauer
- Department of Peptide-based Immunotherapy, University of Tübingen and University Hospital Tübingen, Tübingen, Germany
- Institute for Cell Biology, Department of Immunology, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Joschka Hey
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German-Israeli Helmholtz Research School in Cancer Biology, Heidelberg, Germany
- German Center for Lung Research, (DZL) partner site Heidelberg, Heidelberg, Germany
| | - Dimitris N Papageorgiou
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg University, Medical Faculty, Heidelberg, Germany
| | - Ekaterina Stepanova
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael Daskalakis
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern, University Hospital, University of Bern, Bern, Switzerland
| | - Jonas Scheid
- Department of Peptide-based Immunotherapy, University of Tübingen and University Hospital Tübingen, Tübingen, Germany
- Institute for Cell Biology, Department of Immunology, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Quantitative Biology Center (QBiC), University of Tübingen, Tübingen, Germany
| | - Marissa Dubbelaar
- Department of Peptide-based Immunotherapy, University of Tübingen and University Hospital Tübingen, Tübingen, Germany
- Institute for Cell Biology, Department of Immunology, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Quantitative Biology Center (QBiC), University of Tübingen, Tübingen, Germany
| | - Boris Klimovich
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Dominic Schwarz
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Melanie Märklin
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Malte Roerden
- Department of Peptide-based Immunotherapy, University of Tübingen and University Hospital Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Yu-Yu Lin
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Tobias Ma
- Department of Hematology, Oncology and Stem Cell Transplantation, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Oliver Mücke
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Hans-Georg Rammensee
- Institute for Cell Biology, Department of Immunology, University of Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Michael Lübbert
- Department of Hematology, Oncology and Stem Cell Transplantation, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Fabricio Loayza-Puch
- Translational Control and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg University, Medical Faculty, Heidelberg, Germany
| | - Juliane S Walz
- Department of Peptide-based Immunotherapy, University of Tübingen and University Hospital Tübingen, Tübingen, Germany.
- Institute for Cell Biology, Department of Immunology, University of Tübingen, Tübingen, Germany.
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany.
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany.
| | - Christoph Plass
- Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany.
- German Center for Lung Research, (DZL) partner site Heidelberg, Heidelberg, Germany.
- German Cancer Consortium (DKTK), Heidelberg, Germany.
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