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Respiratory mucosal vaccination of peptide-poloxamine-DNA nanoparticles provides complete protection against lethal SARS-CoV-2 challenge. Biomaterials 2023; 292:121907. [PMID: 36436305 PMCID: PMC9673044 DOI: 10.1016/j.biomaterials.2022.121907] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/28/2022] [Accepted: 11/06/2022] [Indexed: 11/21/2022]
Abstract
The ongoing SARS-CoV-2 pandemic represents a brutal reminder of the continual threat of mucosal infectious diseases. Mucosal immunity may provide robust protection at the predominant sites of SARS-CoV-2 infection. However, it remains unclear whether respiratory mucosal administration of DNA vaccines could confer protective immune responses against SARS-CoV-2 challenge due to insurmountable barriers posed by the airway. Here, we applied self-assembled peptide-poloxamine nanoparticles with mucus-penetrating properties for pulmonary inoculation of a COVID-19 DNA vaccine (pSpike/PP-sNp). The pSpike/PP-sNp not only displays superior gene transfection and favorable biocompatibility in the mouse airway, but also promotes a tripartite immunity consisting of systemic, cellular, and mucosal immune responses that are characterized by mucosal IgA secretion, high levels of neutralizing antibodies, and resident memory phenotype T-cell responses in the lungs of mice. Most importantly, immunization with pSpike/PP-sNp completely eliminates SARS-CoV-2 infection in both upper and lower respiratory tracts and enables 100% survival rate of mice following lethal SARS-CoV-2 challenge. Our findings indicate PP-sNp is a promising platform in mediating DNA vaccines to elicit all-around mucosal immunity against SARS-CoV-2.
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Dhawan M, Rabaan AA, Fawarah MMA, Almuthree SA, Alsubki RA, Alfaraj AH, Mashraqi MM, Alshamrani SA, Abduljabbar WA, Alwashmi ASS, Ibrahim FA, Alsaleh AA, Khamis F, Alsalman J, Sharma M, Emran TB. Updated Insights into the T Cell-Mediated Immune Response against SARS-CoV-2: A Step towards Efficient and Reliable Vaccines. Vaccines (Basel) 2023; 11:101. [PMID: 36679947 PMCID: PMC9861463 DOI: 10.3390/vaccines11010101] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/14/2022] [Accepted: 12/28/2022] [Indexed: 01/04/2023] Open
Abstract
The emergence of novel variants of SARS-CoV-2 and their abilities to evade the immune response elicited through presently available vaccination makes it essential to recognize the mechanisms through which SARS-CoV-2 interacts with the human immune response. It is essential not only to comprehend the infection mechanism of SARS-CoV-2 but also for the generation of effective and reliable vaccines against COVID-19. The effectiveness of the vaccine is supported by the adaptive immune response, which mainly consists of B and T cells, which play a critical role in deciding the prognosis of the COVID-19 disease. T cells are essential for reducing the viral load and containing the infection. A plethora of viral proteins can be recognized by T cells and provide a broad range of protection, especially amid the emergence of novel variants of SARS-CoV-2. However, the hyperactivation of the effector T cells and reduced number of lymphocytes have been found to be the key characteristics of the severe disease. Notably, excessive T cell activation may cause acute respiratory distress syndrome (ARDS) by producing unwarranted and excessive amounts of cytokines and chemokines. Nevertheless, it is still unknown how T-cell-mediated immune responses function in determining the prognosis of SARS-CoV-2 infection. Additionally, it is unknown how the functional perturbations in the T cells lead to the severe form of the disease and to reduced protection not only against SARS-CoV-2 but many other viral infections. Hence, an updated review has been developed to understand the involvement of T cells in the infection mechanism, which in turn determines the prognosis of the disease. Importantly, we have also focused on the T cells' exhaustion under certain conditions and how these functional perturbations can be modulated for an effective immune response against SARS-CoV-2. Additionally, a range of therapeutic strategies has been discussed that can elevate the T cell-mediated immune response either directly or indirectly.
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Affiliation(s)
- Manish Dhawan
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, Punjab, India
- Trafford College, Altrincham, Manchester WA14 5PQ, UK
| | - Ali A. Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur 22610, Pakistan
| | - Mahmoud M. Al Fawarah
- Microbiology Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
| | - Souad A. Almuthree
- Department of Infectious Disease, King Abdullah Medical City, Makkah 43442, Saudi Arabia
| | - Roua A. Alsubki
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11362, Saudi Arabia
| | - Amal H. Alfaraj
- Pediatric Department, Abqaiq General Hospital, First Eastern Health Cluster, Abqaiq 33261, Saudi Arabia
| | - Mutaib M. Mashraqi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Saleh A. Alshamrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Wesam A. Abduljabbar
- Department of Medical Laboratory Sciences, Fakeeh College for Medical Science, Jeddah 21134, Saudi Arabia
| | - Ameen S. S. Alwashmi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia
| | - Fatimah Al Ibrahim
- Infectious Disease Division, Department of Internal Medicine, Dammam Medical Complex, Dammam 32245, Saudi Arabia
| | - Abdulmonem A. Alsaleh
- Clinical Laboratory Science Department, Mohammed Al-Mana College for Medical Sciences, Dammam 34222, Saudi Arabia
| | - Faryal Khamis
- Infection Diseases Unit, Department of Internal Medicine, Royal Hospital, Muscat 1331, Oman
| | - Jameela Alsalman
- Infection Disease Unit, Department of Internal Medicine, Salmaniya Medical Complex, Ministry of Health, Kingdom of Bahrain, Manama 435, Bahrain
| | - Manish Sharma
- University Institute of Biotechnology, Department of Biotechnology, Chandigarh University, Mohali 140413, Punjab, India
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
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Fujii SI, Yamasaki S, Iyoda T, Shimizu K. Association of cellular immunity with severity of COVID-19 from the perspective of antigen-specific memory T cell responses and cross-reactivity. Inflamm Regen 2022; 42:50. [PMCID: PMC9706959 DOI: 10.1186/s41232-022-00239-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 11/10/2022] [Indexed: 11/30/2022] Open
Abstract
AbstractCoronaviruses regularly cause outbreaks of zoonotic diseases characterized by severe pneumonia. The new coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused the global pandemic disease COVID-19 that began at the end of 2019 and spread rapidly owing to its infectious nature and rapidly progressing pneumonia. Although the infectivity of SARS-CoV-2 is high, indicated by the worldwide spread of the disease in a very short period, many individuals displayed only subclinical infection, and some of them transmitted the disease to individuals who then developed a severe symptomatic infection. Furthermore, there are differences in the severity of infection across countries, which can be attributed to factors such as the emergence of viral mutations in a short period of time as well as to the immune responses to viral factors. Anti-viral immunity generally consists of neutralizing antibodies that block viral infection and cytotoxic CD8+ T cells that eliminate the virus-infected cells. There is compelling evidence for the role of neutralizing antibodies in protective immunity in SARS-CoV-2 infection. However, the role of CD4+ and CD8+ T cells after the viral entry is complex and warrants a comprehensive discussion. Here, we discuss the protection afforded by cellular immunity against initial infection and development of severe disease. The initial failure of cellular immunity to control the infection worsens the clinical outcomes and functional profiles that inflict tissue damage without effectively eliminating viral reservoirs, while robust T cell responses are associated with mild outcomes. We also discuss persistent long-lasting memory T cell-mediated protection after infection or vaccination, which is rather complicated as it may involve SARS-CoV-2-specific cytotoxic T lymphocytes or cross-reactivity with previously infected seasonal coronaviruses, which are largely related to HLA genotypes. In addition, cross-reactivity with mutant strains is also discussed. Lastly, we discuss appropriate measures to be taken against the disease for immunocompromised patients. In conclusion, we provide evidence and discuss the causal relationship between natural infection- or vaccine-mediated memory T cell immunity and severity of COVID-19. This review is expected to provide a basis to develop strategies for the next generation of T cell-focused vaccines and aid in ending the current pandemic.
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Fan Q, Nie Z, Xie S. Panorama of Breakthrough Infection Caused by SARS-CoV-2: A Review. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:1733. [PMID: 36556935 PMCID: PMC9784755 DOI: 10.3390/medicina58121733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022]
Abstract
Since the outbreak of the novel coronavirus disease 2019 (COVID-19) in 2019, many countries have successively developed a variety of vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, with the continuous spread of SARS-CoV-2, it has evolved several variants; as a result, prevention and control of the pandemic of SARS-CoV-2 has become more important. Among these variants, the Omicron variant has higher transmissibility and immune escape ability and is the main variant causing a large number of COVID-19 breakthrough infection, thus, presenting new challenges to pandemic prevention and control. Hence, we review the biological characteristics of the Omicron variant and discuss the current status and possible mechanism of breakthrough infection caused by the Omicron variant in order to provide insights into the prevention and control of the pandemic of SARS-CoV-2.
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Affiliation(s)
| | | | - Songping Xie
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
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Valenzuela-Fernández A, Cabrera-Rodriguez R, Ciuffreda L, Perez-Yanes S, Estevez-Herrera J, González-Montelongo R, Alcoba-Florez J, Trujillo-González R, García-Martínez de Artola D, Gil-Campesino H, Díez-Gil O, Lorenzo-Salazar JM, Flores C, Garcia-Luis J. Nanomaterials to combat SARS-CoV-2: Strategies to prevent, diagnose and treat COVID-19. Front Bioeng Biotechnol 2022; 10:1052436. [PMID: 36507266 PMCID: PMC9732709 DOI: 10.3389/fbioe.2022.1052436] [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: 09/23/2022] [Accepted: 11/09/2022] [Indexed: 11/26/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the associated coronavirus disease 2019 (COVID-19), which severely affect the respiratory system and several organs and tissues, and may lead to death, have shown how science can respond when challenged by a global emergency, offering as a response a myriad of rapid technological developments. Development of vaccines at lightning speed is one of them. SARS-CoV-2 outbreaks have stressed healthcare systems, questioning patients care by using standard non-adapted therapies and diagnostic tools. In this scenario, nanotechnology has offered new tools, techniques and opportunities for prevention, for rapid, accurate and sensitive diagnosis and treatment of COVID-19. In this review, we focus on the nanotechnological applications and nano-based materials (i.e., personal protective equipment) to combat SARS-CoV-2 transmission, infection, organ damage and for the development of new tools for virosurveillance, diagnose and immune protection by mRNA and other nano-based vaccines. All the nano-based developed tools have allowed a historical, unprecedented, real time epidemiological surveillance and diagnosis of SARS-CoV-2 infection, at community and international levels. The nano-based technology has help to predict and detect how this Sarbecovirus is mutating and the severity of the associated COVID-19 disease, thereby assisting the administration and public health services to make decisions and measures for preparedness against the emerging variants of SARS-CoV-2 and severe or lethal COVID-19.
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Affiliation(s)
- Agustín Valenzuela-Fernández
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Romina Cabrera-Rodriguez
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Laura Ciuffreda
- Research Unit, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Silvia Perez-Yanes
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Judith Estevez-Herrera
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | | | - Julia Alcoba-Florez
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Rodrigo Trujillo-González
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
- Departamento de Análisis Matemático, Facultad de Ciencias, Universidad de La Laguna, Santa Cruz de Tenerife, Spain
| | | | - Helena Gil-Campesino
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - Oscar Díez-Gil
- Servicio de Microbiología, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
| | - José M. Lorenzo-Salazar
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
| | - Carlos Flores
- Research Unit, Hospital Universitario N. S. de Candelaria, Santa Cruz de Tenerife, Spain
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Faculty of Health Sciences, University of Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
| | - Jonay Garcia-Luis
- Laboratorio de Inmunología Celular y Viral, Unidad de Farmacología, Sección de Medicina, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
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56
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Li W, Wang T, Rajendrakumar AM, Acharya G, Miao Z, Varghese BP, Yu H, Dhakal B, LeRoith T, Tuo W, Zhu X. An FcRn-targeted mucosal vaccine against SARS-CoV-2 infection and transmission. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.11.23.517678. [PMID: 36451890 PMCID: PMC9709799 DOI: 10.1101/2022.11.23.517678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
SARS-CoV-2 and its variants cause COVID-19, which is primarily transmitted through droplets and airborne aerosols. To prevent viral infection and reduce viral spread, vaccine strategies must elicit protective immunity in the airways. FcRn transfers IgG across epithelial barriers; we explore FcRn-mediated respiratory delivery of SARS-CoV-2 spike (S). A monomeric IgG Fc was fused to a stabilized S protein; the resulting S-Fc bound to S-specific antibodies (Ab) and FcRn. A significant increase in Ab responses was observed following the intranasal immunization of mice with S-Fc formulated in CpG as compared to the immunization with S alone or PBS. Furthermore, we intranasally immunize adult or aged mice and hamsters with S-Fc. A significant reduction of virus replication in nasal turbinate, lung, and brain was observed following nasal challenges with SARS-CoV-2, including Delta and Omicron variants. Intranasal immunization also significantly reduced viral transmission between immunized and naive hamsters. Protection was mediated by nasal IgA, serum-neutralizing Abs, tissue-resident memory T cells, and bone marrow S-specific plasma cells. Hence FcRn delivers an S-Fc antigen effectively into the airway and induces protection against SARS-CoV-2 infection and transmission. Based on these findings, FcRn-targeted non-invasive respiratory immunizations are superior strategies for preventing highly contagious respiratory viruses from spreading.
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Affiliation(s)
- Weizhong Li
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Tao Wang
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Arunraj M. Rajendrakumar
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
- Animal Parasitic Diseases Laboratory, ARS, United States Department of Agriculture, Beltsville, MD 20705
| | - Gyanada Acharya
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Zizhen Miao
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Berin P. Varghese
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Hailiang Yu
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Bibek Dhakal
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
| | - Tanya LeRoith
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech University, Blacksburg, VA, USA
| | - Wenbin Tuo
- Animal Parasitic Diseases Laboratory, ARS, United States Department of Agriculture, Beltsville, MD 20705
| | - Xiaoping Zhu
- Division of Immunology, VA-MD College of Veterinary Medicine, *Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742
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57
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Fiorino S, Carusi A, Hong W, Cernuschi P, Gallo CG, Ferrara E, Maloberti T, Visani M, Lari F, de Biase D, Zippi M. SARS-CoV-2 vaccines: What we know, what we can do to improve them and what we could learn from other well-known viruses. AIMS Microbiol 2022; 8:422-453. [PMID: 36694588 PMCID: PMC9834075 DOI: 10.3934/microbiol.2022029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/24/2022] [Accepted: 11/06/2022] [Indexed: 11/18/2022] Open
Abstract
In recent weeks, the rate of SARS-CoV-2 infections has been progressively increasing all over the globe, even in countries where vaccination programs have been strongly implemented. In these regions in 2021, a reduction in the number of hospitalizations and deaths compared to 2020 was observed. This decrease is certainly associated with the introduction of vaccination measures. The process of the development of effective vaccines represents an important challenge. Overall, the breakthrough infections occurring in vaccinated subjects are in most cases less severe than those observed in unvaccinated individuals. This review examines the factors affecting the immunogenicity of vaccines against SARS-CoV-2 and the possible role of nutrients in modulating the response of distinct immune cells to the vaccination.
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Affiliation(s)
- Sirio Fiorino
- Internal Medicine Unit, Budrio Hospital, Budrio (Bologna), Azienda USL, Bologna, Italy
| | - Andrea Carusi
- Internal Medicine Unit, Budrio Hospital, Budrio (Bologna), Azienda USL, Bologna, Italy
| | - Wandong Hong
- Department of Gastroenterology and Hepatology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou City, Zhejiang, The People's Republic of China
| | - Paolo Cernuschi
- Internal Medicine Unit, Quisana Private Hospital, Ferrara, Italy
| | | | | | - Thais Maloberti
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna-Molecular Diagnostic Unit, Azienda USL di Bologna, Bologna, Italy
- Solid Tumor Molecular Pathology Laboratory, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Michela Visani
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna-Molecular Diagnostic Unit, Azienda USL di Bologna, Bologna, Italy
| | - Federico Lari
- Internal Medicine Unit, Budrio Hospital, Budrio (Bologna), Azienda USL, Bologna, Italy
| | - Dario de Biase
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
- Solid Tumor Molecular Pathology Laboratory, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Maddalena Zippi
- Unit of Gastroenterology and Digestive Endoscopy, Sandro Pertini Hospital, Rome, Italy
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58
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Lobby JL, Uddbäck I, Scharer CD, Mi T, Boss JM, Thomsen AR, Christensen JP, Kohlmeier JE. Persistent Antigen Harbored by Alveolar Macrophages Enhances the Maintenance of Lung-Resident Memory CD8 + T Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1778-1787. [PMID: 36162870 PMCID: PMC9588742 DOI: 10.4049/jimmunol.2200082] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 08/16/2022] [Indexed: 11/07/2022]
Abstract
Lung tissue-resident memory T cells are crucial mediators of cellular immunity against respiratory viruses; however, their gradual decline hinders the development of T cell-based vaccines against respiratory pathogens. Recently, studies using adenovirus (Ad)-based vaccine vectors have shown that the number of protective lung-resident CD8+ TRMs can be maintained long term. In this article, we show that immunization of mice with a replication-deficient Ad serotype 5 expressing influenza (A/Puerto Rico/8/34) nucleoprotein (AdNP) generates a long-lived lung TRM pool that is transcriptionally indistinct from those generated during a primary influenza infection. In addition, we demonstrate that CD4+ T cells contribute to the long-term maintenance of AdNP-induced CD8+ TRMs. Using a lineage tracing approach, we identify alveolar macrophages as a cell source of persistent NP Ag after immunization with AdNP. Importantly, depletion of alveolar macrophages after AdNP immunization resulted in significantly reduced numbers of NP-specific CD8+ TRMs in the lungs and airways. Combined, our results provide further insight to the mechanisms governing the enhanced longevity of Ag-specific CD8+ lung TRMs observed after immunization with recombinant Ad.
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Affiliation(s)
- Jenna L Lobby
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
| | - Ida Uddbäck
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
- Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Christopher D Scharer
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
| | - Tian Mi
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
| | - Jeremy M Boss
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
| | - Allan R Thomsen
- Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Jan P Christensen
- Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Jacob E Kohlmeier
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA; and
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59
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Li J, Reinke S, Shen Y, Schollmeyer L, Liu YC, Wang Z, Hardt S, Hipfl C, Hoffmann U, Frischbutter S, Chang HD, Alexander T, Perka C, Radbruch H, Qin Z, Radbruch A, Dong J. A ubiquitous bone marrow reservoir of preexisting SARS-CoV-2-reactive memory CD4+ T lymphocytes in unexposed individuals. Front Immunol 2022; 13:1004656. [PMID: 36268016 PMCID: PMC9576920 DOI: 10.3389/fimmu.2022.1004656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/20/2022] [Indexed: 11/23/2022] Open
Abstract
Circulating, blood-borne SARS-CoV-2-reactive memory T cells in persons so far unexposed to SARS-CoV-2 or the vaccines have been described in 20-100% of the adult population. They are credited with determining the efficacy of the immune response in COVID-19. Here, we demonstrate the presence of preexisting memory CD4+ T cells reacting to peptides of the spike, membrane, or nucleocapsid proteins of SARS-CoV-2 in the bone marrow of all 17 persons investigated that had previously not been exposed to SARS-CoV-2 or one of the vaccines targeting it, with only 15 of these persons also having such cells detectable circulating in the blood. The preexisting SARS-CoV-2-reactive memory CD4+ T cells of the bone marrow are abundant and polyfunctional, with the phenotype of central memory T cells. They are tissue-resident, at least in those persons who do not have such cells in the blood, and about 30% of them express CD69. Bone marrow resident SARS-CoV-2-reactive memory CD4+ memory T cells are also abundant in vaccinated persons analyzed 10-168 days after 1°-4° vaccination. Apart from securing the bone marrow, preexisting cross-reactive memory CD4+ T cells may play an important role in shaping the systemic immune response to SARS-CoV-2 and the vaccines, and contribute essentially to the rapid establishment of long-lasting immunity provided by memory plasma cells, already upon primary infection.
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Affiliation(s)
- Jinchan Li
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Simon Reinke
- Berlin Brandenburg Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Yu Shen
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Lena Schollmeyer
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Yuk-Chien Liu
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Zixu Wang
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Sebastian Hardt
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Christian Hipfl
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Ute Hoffmann
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
- Schwiete-Laboratory for Microbiota and Inflammation, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Stefan Frischbutter
- Institute of Allergology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Allergology and Immunology, Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Berlin, Germany
| | - Hyun-Dong Chang
- Schwiete-Laboratory for Microbiota and Inflammation, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Tobias Alexander
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Carsten Perka
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Helena Radbruch
- Institute of Neuropathology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Zhihai Qin
- Medical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Andreas Radbruch
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
| | - Jun Dong
- Cell Biology, Deutsches Rheuma-Forschungszentrum Berlin (DRFZ), Institute of the Leibniz Association, Berlin, Germany
- *Correspondence: Jun Dong,
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60
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Hassert M, Harty JT. Tissue resident memory T cells- A new benchmark for the induction of vaccine-induced mucosal immunity. Front Immunol 2022; 13:1039194. [PMID: 36275668 PMCID: PMC9581298 DOI: 10.3389/fimmu.2022.1039194] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
Historically, the gold-standard benchmark for vaccine immunogenicity has been the induction of neutralizing antibodies detectable in the serum of peripheral blood. However, in recent years there has been a new appreciation for the mucosa as an important site for vaccine induced immunity. As a point of first contact, the mucosal tissue represents a major site of immune based detection and restriction of pathogen entry and dissemination. Tissue resident memory T cells (Trm) are one of the critical cell types involved in this early detection and restriction of mucosal pathogens. Following tissue-specific infection or vaccination, Trm lodge themselves within tissues and can perform rapid sensing and alarm functions to control local re-infections, in an effort that has been defined as important for restriction of a number of respiratory pathogens including influenza and respiratory syncytial virus. Despite this characterized importance, only minor attention has been paid to the importance of Trm as a benchmark for vaccine immunogenicity. The purpose of this review is to highlight the functions of Trm with particular emphasis on respiratory infections, and to suggest the inclusion of Trm elicitation as a benchmark for vaccine immunogenicity in animal models, and where possible, human samples.
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61
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Lim JME, Tan AT, Le Bert N, Hang SK, Low JGH, Bertoletti A. SARS-CoV-2 breakthrough infection in vaccinees induces virus-specific nasal-resident CD8+ and CD4+ T cells of broad specificity. J Exp Med 2022; 219:e20220780. [PMID: 35972472 PMCID: PMC9386509 DOI: 10.1084/jem.20220780] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/28/2022] [Accepted: 08/03/2022] [Indexed: 01/06/2023] Open
Abstract
Rapid recognition of SARS-CoV-2-infected cells by resident T cells in the upper airway might provide an important layer of protection against COVID-19. Whether parenteral SARS-CoV-2 vaccination or infection induces nasal-resident T cells specific for distinct SARS-CoV-2 proteins is unknown. We isolated T cells from the nasal mucosa of COVID-19 vaccinees who either experienced SARS-CoV-2 infection after vaccination (n = 34) or not (n = 16) and analyzed their phenotype, SARS-CoV-2 specificity, function, and persistence. Nasal-resident SARS-CoV-2-specific CD8+ and CD4+ T cells were detected almost exclusively in vaccinees who experienced SARS-CoV-2 breakthrough infection. Importantly, the Spike-specific T cells primed by vaccination did not suppress the induction of T cells specific for other SARS-CoV-2 proteins. The nasal-resident T cell responses persisted for ≥140 d, with minimal sign of waning. These data highlight the importance of viral nasal challenge in the formation of SARS-CoV-2-specific antiviral immunity at the site of primary infection and further define the immunological features of SARS-CoV-2 hybrid immunity.
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Affiliation(s)
- Joey Ming Er Lim
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Anthony Tanoto Tan
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Nina Le Bert
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Shou Kit Hang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Jenny Guek Hong Low
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
- Department of Infectious Disease, Singapore General Hospital, Singapore
| | - Antonio Bertoletti
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
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62
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Evaluation of the Effectiveness of BNT162b2 Primary Vaccination and Booster Dose to SARS-CoV-2 in Eliciting Stable Mucosal Immunity. Biomedicines 2022; 10:biomedicines10102430. [PMID: 36289692 PMCID: PMC9598907 DOI: 10.3390/biomedicines10102430] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/24/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
The waning effectiveness of the primary vaccination for SARS-CoV-2 led to administration of an additional booster dose (BD). The efficacy of the BD in stimulating humoral systemic immune response is well established, but its effectiveness on inducing mucosal immune reaction has not yet been reported. To address this issue, we evaluated SARS-CoV-2-specific antibody responses in the serum, saliva, and tears after BNT162b2 (Pfizer/BioNTech, New York, NY, USA) vaccination and BD, as well as after SARS-CoV-2 infection. After two doses of BNT162b2 vaccine, we observed specific serum IgG in 100% and IgA in 97.2% of subjects, associated with mucosal response in both salivary samples (sIgA in 97.2% and IgG(S) in 58.8%) and in tears (sIgA in 77.8% and IgG(S) in 67.7%). BD induced a recovery of the systemic humoral response and of tear sIgA when compared to 6 months of follow-up titers (p < 0.001; p = 0.012). However, sIgA levels in both tears and saliva were significantly lower following BD when compared to patients with prior SARS-CoV-2 infection (p = 0.001 and p = 0.005, respectively). Our results demonstrated that administration of BD restored high serum levels of both IgG and IgA but had a poor effect in stimulating mucosal immunity when compared to prior SARS-CoV-2 infection.
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63
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Hastak PS, Andersen CR, Kelleher AD, Sasson SC. Frontline workers: Mediators of mucosal immunity in community acquired pneumonia and COVID-19. Front Immunol 2022; 13:983550. [PMID: 36211412 PMCID: PMC9539803 DOI: 10.3389/fimmu.2022.983550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
The current COVID-19 pandemic has highlighted a need to further understand lung mucosal immunity to reduce the burden of community acquired pneumonia, including that caused by the SARS-CoV-2 virus. Local mucosal immunity provides the first line of defence against respiratory pathogens, however very little is known about the mechanisms involved, with a majority of literature on respiratory infections based on the examination of peripheral blood. The mortality for severe community acquired pneumonia has been rising annually, even prior to the current pandemic, highlighting a significant need to increase knowledge, understanding and research in this field. In this review we profile key mediators of lung mucosal immunity, the dysfunction that occurs in the diseased lung microenvironment including the imbalance of inflammatory mediators and dysbiosis of the local microbiome. A greater understanding of lung tissue-based immunity may lead to improved diagnostic and prognostic procedures and novel treatment strategies aimed at reducing the disease burden of community acquired pneumonia, avoiding the systemic manifestations of infection and excess morbidity and mortality.
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Affiliation(s)
- Priyanka S. Hastak
- The Kirby Institute, Immunovirology and Pathogenesis Program, University of New South Wales, Sydney, NSW, Australia
| | - Christopher R. Andersen
- The Kirby Institute, Immunovirology and Pathogenesis Program, University of New South Wales, Sydney, NSW, Australia
- Intensive Care Unit, Royal North Shore Hospital, Sydney, NSW, Australia
- Critical Care and Trauma Division, The George Institute for Global Health, Sydney, NSW, Australia
| | - Anthony D. Kelleher
- The Kirby Institute, Immunovirology and Pathogenesis Program, University of New South Wales, Sydney, NSW, Australia
| | - Sarah C. Sasson
- The Kirby Institute, Immunovirology and Pathogenesis Program, University of New South Wales, Sydney, NSW, Australia
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64
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Wei X, Rong N, Liu J. Prospects of animal models and their application in studies on adaptive immunity to SARS-CoV-2. Front Immunol 2022; 13:993754. [PMID: 36189203 PMCID: PMC9523127 DOI: 10.3389/fimmu.2022.993754] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/05/2022] [Indexed: 01/08/2023] Open
Abstract
The adaptive immune response induced by SARS-CoV-2 plays a key role in the antiviral process and can protect the body from the threat of infection for a certain period of time. However, owing to the limitations of clinical studies, the antiviral mechanisms, protective thresholds, and persistence of the immune memory of adaptive immune responses remain unclear. This review summarizes existing research models for SARS-CoV-2 and elaborates on the advantages of animal models in simulating the clinical symptoms of COVID-19 in humans. In addition, we systematically summarize the research progress on the SARS-CoV-2 adaptive immune response and the remaining key issues, as well as the application and prospects of animal models in this field. This paper provides direction for in-depth analysis of the anti-SARS-CoV-2 mechanism of the adaptive immune response and lays the foundation for the development and application of vaccines and drugs.
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Affiliation(s)
- Xiaohui Wei
- National Health Commission Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | | | - Jiangning Liu
- National Health Commission Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
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65
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Chen KD, Huang YH, Wu WS, Chang LS, Chu CL, Kuo HC. Comparable bidirectional neutrophil immune dysregulation between Kawasaki disease and severe COVID-19. Front Immunol 2022; 13:995886. [PMID: 36159873 PMCID: PMC9499176 DOI: 10.3389/fimmu.2022.995886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 08/18/2022] [Indexed: 12/02/2022] Open
Abstract
Kawasaki disease (KD), a multisystem inflammatory syndrome that occurs in children, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 or COVID-19) may share some overlapping mechanisms. The purpose of this study was to analyze the differences in single-cell RNA sequencing between KD and COVID-19. We performed single-cell RNA sequencing in KD patients (within 24 hours before IVIG treatment) and age-matched fever controls. The single-cell RNA sequencing data of COVID-19, influenza, and health controls were downloaded from the Sequence Read Archive (GSE149689/PRJNA629752). In total, 22 single-cell RNA sequencing data with 102,355 nuclei were enrolled in this study. After performing hierarchical and functional clustering analyses, two enriched gene clusters demonstrated similar patterns in severe COVID-19 and KD, heightened neutrophil activation, and decreased MHC class II expression. Furthermore, comparable dysregulation of neutrophilic granulopoiesis representing two pronounced hyperinflammatory states was demonstrated, which play a critical role in the overactivated and defective aging program of granulocytes, in patients with KD as well as those with severe COVID-19. In conclusion, both neutrophil activation and MHC class II reduction play a crucial role and thus may provide potential treatment targets for KD and severe COVID-19.
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Affiliation(s)
- Kuang-Den Chen
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- nstitute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Ying-Hsien Huang
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wei-Sheng Wu
- Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Ling-Sai Chang
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chiao-Lun Chu
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Ho-Chang Kuo
- Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Respiratory Therapy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- *Correspondence: Ho-Chang Kuo, ;
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66
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SARS-CoV-2-cross-reactive T cells identified in pre-pandemic lower airway samples. Nat Immunol 2022; 23:1307-1308. [PMID: 36068403 DOI: 10.1038/s41590-022-01308-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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67
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Diniz MO, Mitsi E, Swadling L, Rylance J, Johnson M, Goldblatt D, Ferreira D, Maini MK. Airway-resident T cells from unexposed individuals cross-recognize SARS-CoV-2. Nat Immunol 2022; 23:1324-1329. [PMID: 36038709 PMCID: PMC9477726 DOI: 10.1038/s41590-022-01292-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 07/18/2022] [Indexed: 12/15/2022]
Abstract
T cells can contribute to clearance of respiratory viruses that cause acute-resolving infections such as SARS-CoV-2, helping to provide long-lived protection against disease. Recent studies have suggested an additional role for T cells in resisting overt infection: pre-existing cross-reactive responses were preferentially enriched in healthcare workers who had abortive infections1, and in household contacts protected from infection2. We hypothesize that such early viral control would require pre-existing cross-reactive memory T cells already resident at the site of infection; such airway-resident responses have been shown to be critical for mediating protection after intranasal vaccination in a murine model of SARS-CoV3. Bronchoalveolar lavage samples from the lower respiratory tract of healthy donors obtained before the COVID-19 pandemic revealed airway-resident, SARS-CoV-2-cross-reactive T cells, which correlated with the strength of human seasonal coronavirus immunity. We therefore demonstrate the potential to harness functional airway-resident SARS-CoV-2-reactive T cells in next-generation mucosal vaccines.
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Affiliation(s)
- Mariana O Diniz
- Division of Infection and Immunity and Institute of Immunity and Transplantation, UCL, London, UK
| | - Elena Mitsi
- Department of Clinical Science, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Leo Swadling
- Division of Infection and Immunity and Institute of Immunity and Transplantation, UCL, London, UK
| | - Jamie Rylance
- Department of Clinical Science, Liverpool School of Tropical Medicine, Liverpool, UK
| | | | | | - Daniela Ferreira
- Department of Clinical Science, Liverpool School of Tropical Medicine, Liverpool, UK.
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK.
| | - Mala K Maini
- Division of Infection and Immunity and Institute of Immunity and Transplantation, UCL, London, UK.
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68
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Menges D, Zens KD, Ballouz T, Caduff N, Llanas-Cornejo D, Aschmann HE, Domenghino A, Pellaton C, Perreau M, Fenwick C, Pantaleo G, Kahlert CR, Münz C, Puhan MA, Fehr JS. Heterogenous humoral and cellular immune responses with distinct trajectories post-SARS-CoV-2 infection in a population-based cohort. Nat Commun 2022; 13:4855. [PMID: 35982045 PMCID: PMC9386650 DOI: 10.1038/s41467-022-32573-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 08/06/2022] [Indexed: 12/14/2022] Open
Abstract
To better understand the development of SARS-CoV-2-specific immunity over time, a detailed evaluation of humoral and cellular responses is required. Here, we characterize anti-Spike (S) IgA and IgG in a representative population-based cohort of 431 SARS-CoV-2-infected individuals up to 217 days after diagnosis, demonstrating that 85% develop and maintain anti-S responses. In a subsample of 64 participants, we further assess anti-Nucleocapsid (N) IgG, neutralizing antibody activity, and T cell responses to Membrane (M), N, and S proteins. In contrast to S-specific antibody responses, anti-N IgG levels decline substantially over time and neutralizing activity toward Delta and Omicron variants is low to non-existent within just weeks of Wildtype SARS-CoV-2 infection. Virus-specific T cells are detectable in most participants, albeit more variable than antibody responses. Cluster analyses of the co-evolution of antibody and T cell responses within individuals identify five distinct trajectories characterized by specific immune patterns and clinical factors. These findings demonstrate the relevant heterogeneity in humoral and cellular immunity to SARS-CoV-2 while also identifying consistent patterns where antibody and T cell responses may work in a compensatory manner to provide protection. The persistence of the immune response to SARS-CoV-2 after recovery from infection is an indicator for subsequent protection against infection. Here the authors follow recovered patients and measure antibody and T cell responses and find that these two parts of the immune response may have different longevity.
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Affiliation(s)
- Dominik Menges
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland
| | - Kyra D Zens
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland.,Institute for Experimental Immunology, University of Zurich (UZH), Zurich, Switzerland
| | - Tala Ballouz
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland
| | - Nicole Caduff
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland.,Institute for Experimental Immunology, University of Zurich (UZH), Zurich, Switzerland
| | - Daniel Llanas-Cornejo
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland
| | - Hélène E Aschmann
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland.,Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
| | - Anja Domenghino
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland.,Department of Visceral and Transplantation Surgery, University Hospital Zurich (USZ), University of Zurich (UZH), Zurich, Switzerland
| | - Céline Pellaton
- Service of Immunology and Allergy, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Matthieu Perreau
- Service of Immunology and Allergy, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Craig Fenwick
- Service of Immunology and Allergy, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Giuseppe Pantaleo
- Service of Immunology and Allergy, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Christian R Kahlert
- Division of Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland.,Division of Infectious Diseases and Hospital Epidemiology, Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Christian Münz
- Institute for Experimental Immunology, University of Zurich (UZH), Zurich, Switzerland
| | - Milo A Puhan
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland.
| | - Jan S Fehr
- Epidemiology, Biostatistics and Prevention Institute (EBPI), University of Zurich (UZH), Zurich, Switzerland
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69
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Agrati C, Carsetti R, Bordoni V, Sacchi A, Quintarelli C, Locatelli F, Ippolito G, Capobianchi MR. The immune response as a double-edged sword: the lesson learnt during the COVID-19 pandemic. Immunology 2022; 167:287-302. [PMID: 35971810 PMCID: PMC9538066 DOI: 10.1111/imm.13564] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/06/2022] [Indexed: 11/29/2022] Open
Abstract
The COVID‐19 pandemic has represented an unprecedented challenge for the humanity, and scientists around the world provided a huge effort to elucidate critical aspects in the fight against the pathogen, useful in designing public health strategies, vaccines and therapeutic approaches. One of the first pieces of evidence characterizing the SARS‐CoV‐2 infection has been its breadth of clinical presentation, ranging from asymptomatic to severe/deadly disease, and the indication of the key role played by the immune response in influencing disease severity. This review is aimed at summarizing what the SARS‐CoV‐2 infection taught us about the immune response, highlighting its features of a double‐edged sword mediating both protective and pathogenic processes. We will discuss the protective role of soluble and cellular innate immunity and the detrimental power of a hyper‐inflammation‐shaped immune response, resulting in tissue injury and immunothrombotic events. We will review the importance of B‐ and T‐cell immunity in reducing the clinical severity and their ability to cross‐recognize viral variants.
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Affiliation(s)
- Chiara Agrati
- Laboratory of Cellular Immunology, INMI L. Spallanzani, IRCCS
| | - Rita Carsetti
- B cell laboratory, Immunology Research Area, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | | | - Alessandra Sacchi
- Molecular Virology and antimicrobial immunity Laboratory, Department of Science, Roma Tre University, Rome, Italy
| | - Concetta Quintarelli
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy.,Department of Hematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS
| | - Franco Locatelli
- Department of Hematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS.,Department of Pediatrics, Catholic University of Sacred Heart, Rome, Italy
| | - Giuseppe Ippolito
- General Directorate for Research and Health Innovation, Italian Ministry of Health
| | - Maria R Capobianchi
- Sacro Cuore Don Calabria Hospital IRCCS, Negrar di Valpolicella (Verona).,Saint Camillus International University of Health Sciences, Rome
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70
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Zhang M, Li N, He Y, Shi T, Jie Z. Pulmonary resident memory T cells in respiratory virus infection and their inspiration on therapeutic strategies. Front Immunol 2022; 13:943331. [PMID: 36032142 PMCID: PMC9412965 DOI: 10.3389/fimmu.2022.943331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/26/2022] [Indexed: 11/25/2022] Open
Abstract
The immune system generates memory cells on infection with a virus for the first time. These memory cells play an essential role in protection against reinfection. Tissue-resident memory T (TRM) cells can be generated in situ once attacked by pathogens. TRM cells dominate the defense mechanism during early stages of reinfection and have gradually become one of the most popular focuses in recent years. Here, we mainly reviewed the development and regulation of various TRM cell signaling pathways in the respiratory tract. Moreover, we explored the protective roles of TRM cells in immune response against various respiratory viruses, such as Respiratory Syncytial Virus (RSV) and influenza. The complex roles of TRM cells against SARS-CoV-2 infection are also discussed. Current evidence supports the therapeutic strategies targeting TRM cells, providing more possibilities for treatment. Rational utilization of TRM cells for therapeutics is vital for defense against respiratory viruses.
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Affiliation(s)
- Meng Zhang
- Department of Pulmonary and Critical Care Medicine, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Na Li
- Department of Pulmonary and Critical Care Medicine, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Yanchao He
- Department of Pulmonary and Critical Care Medicine, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Tianyun Shi
- Department of Pulmonary and Critical Care Medicine, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
| | - Zhijun Jie
- Department of Pulmonary and Critical Care Medicine, Shanghai Fifth People’s Hospital, Fudan University, Shanghai, China
- Center of Community-Based Health Research, Fudan University, Shanghai, China
- *Correspondence: Zhijun Jie,
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71
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Abstract
The SARS-CoV-2 pandemic has demonstrated the importance of studying antiviral immunity within sites of infection to gain insights into mechanisms for immune protection and disease pathology. As SARS-CoV-2 is tropic to the respiratory tract, many studies of airway washes, lymph node aspirates, and postmortem lung tissue have revealed site-specific immune dynamics that are associated with the protection or immunopathology but are not readily observed in circulation. This review summarizes the growing body of work identifying immune processes in tissues and their interplay with immune responses in circulation during acute SARS-CoV-2 infection, severe disease, and memory persistence. Establishment of tissue resident immunity also may have implications for vaccination and the durability of immune memory and protection.
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Affiliation(s)
- Ksenia Rybkina
- Department of Microbiology and ImmunologyColumbia University Vagelos College of Physicians and SurgeonsNew YorkNew YorkUSA
| | - Julia Davis‐Porada
- Department of Microbiology and ImmunologyColumbia University Vagelos College of Physicians and SurgeonsNew YorkNew YorkUSA
| | - Donna L. Farber
- Department of Microbiology and ImmunologyColumbia University Vagelos College of Physicians and SurgeonsNew YorkNew YorkUSA
- Department of SurgeryColumbia University Irving Medical CenterNew YorkNew YorkUSA
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72
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Csordas BG, de Sousa Palmeira PH, Peixoto RF, Comberlang FCQDDS, de Medeiros IA, Azevedo FLAAD, Veras RC, Janebro DI, Amaral IPG, Barbosa-Filho JM, Keesen TSL. Is IFN expression by NK cells a hallmark of severe COVID-19? Cytokine 2022; 157:155971. [PMID: 35908408 PMCID: PMC9304336 DOI: 10.1016/j.cyto.2022.155971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/11/2022] [Accepted: 07/18/2022] [Indexed: 12/15/2022]
Abstract
Natural Killer cells (NK) are crucial in host defense against viruses. There are many unanswered questions about the immune system in COVID-19, especially the mechanisms that contribute to the development of mild or severe forms of the disease. Although NK cells may have an essential role in the pathogenesis of COVID-19, the mechanisms involved in this process are not yet fully elucidated. Here, we demonstrate that CD3-CD56+ NK cells frequency in the volunteers who recovered from mild COVID-19 (Mild CoV) presented a significant increase compared to the healthy control (HC) and individuals recovering from severe COVID-19 (Severe CoV) groups. Furthermore, distinct IFN profiles in recovered COVID-19 patients with mild or severe clinical forms of the disease were observed in the total NK cells (CD3-CD56+). In the first group, NK cells express increased levels of IFN-α compared to the severe CoV, while higher production of IFN-γ in severe CoV was found. Moreover, NK cells in mild CoV express more cytolytic granules depicted by granzyme B and perforin. Compared to HC, PBMCs from mild CoV presented higher Ki-67 and TIM-3 production after Pool CoV-2 and Pool Spike CoV-2 peptides stimulus. In addition, non-stimulated PBMCs in the mild CoV group had higher NK TIM-3+ frequency than severe CoV. In the mild CoV group, Pool Spike CoV-2 and Pool CoV-2 peptides stimuli elicited higher granzyme B and perforin coexpression and IFN-α production by PBMCs. However, in severe CoV, Pool Spike CoV-2 reduced the coexpression of granzyme B, perforin, and CD107a suggesting a decrease in the cytotoxic activity of NK cells. Therefore, our study shows that NK cells may have a crucial role in COVID-19 with the involvement of IFN-α and cytotoxic properties that aid in developing qualified immune responses. Furthermore, the data suggest that higher amounts of IFN-γ may be linked to the severity of this disease.
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Affiliation(s)
- Bárbara Guimarães Csordas
- Postgraduate Program in Natural and Synthetic Bioactive Products, Immunology Laboratory of Infectious Diseases, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Pedro Henrique de Sousa Palmeira
- Postgraduate Program in Physiology Science, Immunology Laboratory of Infectious Diseases, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Rephany Fonseca Peixoto
- Postgraduate Program in Physiology Science, Immunology Laboratory of Infectious Diseases, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | | | - Isac Almeida de Medeiros
- Research Institute for Drugs and Medicines, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | | | - Robson Cavalcante Veras
- Research Institute for Drugs and Medicines, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Daniele Idalino Janebro
- Research Institute for Drugs and Medicines, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Ian P G Amaral
- Biotechnology Graduation Program, Immunology Laboratory of Infectious Diseases, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - José Maria Barbosa-Filho
- Pharmaceutical Sciences Department, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Tatjana Souza Lima Keesen
- Immunology Laboratory of Infectious Diseases, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil.
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Stojanovic Z, Gonçalves-Carvalho F, Marín A, Abad Capa J, Domínguez J, Latorre I, Lacoma A, Prat-Aymerich C. Advances in diagnostic tools for respiratory tract infections: from tuberculosis to COVID-19 - changing paradigms? ERJ Open Res 2022; 8:00113-2022. [PMID: 36101788 PMCID: PMC9235056 DOI: 10.1183/23120541.00113-2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/31/2022] [Indexed: 11/05/2022] Open
Abstract
Respiratory tract infections (RTIs) are one of the most common reasons for seeking healthcare, but are amongst the most challenging diseases in terms of clinical decision-making. Proper and timely diagnosis is critical in order to optimise management and prevent further emergence of antimicrobial resistance by misuse or overuse of antibiotics. Diagnostic tools for RTIs include those involving syndromic and aetiological diagnosis: from clinical and radiological features to laboratory methods targeting both pathogen detection and host biomarkers, as well as their combinations in terms of clinical algorithms. They also include tools for predicting severity and monitoring treatment response. Unprecedented milestones have been achieved in the context of the COVID-19 pandemic, involving the most recent applications of diagnostic technologies both at genotypic and phenotypic level, which have changed paradigms in infectious respiratory diseases in terms of why, how and where diagnostics are performed. The aim of this review is to discuss advances in diagnostic tools that impact clinical decision-making, surveillance and follow-up of RTIs and tuberculosis. If properly harnessed, recent advances in diagnostic technologies, including omics and digital transformation, emerge as an unprecedented opportunity to tackle ongoing and future epidemics while handling antimicrobial resistance from a One Health perspective.
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Affiliation(s)
- Zoran Stojanovic
- Pneumology Dept, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Co-first authors
| | - Filipe Gonçalves-Carvalho
- Pneumology Dept, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Co-first authors
| | - Alicia Marín
- Pneumology Dept, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Jorge Abad Capa
- Pneumology Dept, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Jose Domínguez
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Microbiology Department, Institut d'Investigació Germans Trias i Pujol, Badalona, Spain
| | - Irene Latorre
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Microbiology Department, Institut d'Investigació Germans Trias i Pujol, Badalona, Spain
| | - Alicia Lacoma
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Microbiology Department, Institut d'Investigació Germans Trias i Pujol, Badalona, Spain
- Co-senior authors
| | - Cristina Prat-Aymerich
- Ciber Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Microbiology Department, Institut d'Investigació Germans Trias i Pujol, Badalona, Spain
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Co-senior authors
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74
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Sánchez-Montalvá A, Álvarez-Sierra D, Martínez-Gallo M, Perurena-Prieto J, Arrese-Muñoz I, Ruiz-Rodríguez JC, Espinosa-Pereiro J, Bosch-Nicolau P, Martínez-Gómez X, Antón A, Martínez-Valle F, Riveiro-Barciela M, Blanco-Grau A, Rodríguez-Frias F, Castellano-Escuder P, Poyatos-Canton E, Bas-Minguet J, Martínez-Cáceres E, Sánchez-Pla A, Zurera-Egea C, Teniente-Serra A, Hernández-González M, Pujol-Borrell R. Exposing and Overcoming Limitations of Clinical Laboratory Tests in COVID-19 by Adding Immunological Parameters; A Retrospective Cohort Analysis and Pilot Study. Front Immunol 2022; 13:902837. [PMID: 35844497 PMCID: PMC9276968 DOI: 10.3389/fimmu.2022.902837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/19/2022] [Indexed: 11/13/2022] Open
Abstract
Background Two years since the onset of the COVID-19 pandemic no predictive algorithm has been generally adopted for clinical management and in most algorithms the contribution of laboratory variables is limited. Objectives To measure the predictive performance of currently used clinical laboratory tests alone or combined with clinical variables and explore the predictive power of immunological tests adequate for clinical laboratories. Methods: Data from 2,600 COVID-19 patients of the first wave of the pandemic in the Barcelona area (exploratory cohort of 1,579, validation cohorts of 598 and 423 patients) including clinical parameters and laboratory tests were retrospectively collected. 28-day survival and maximal severity were the main outcomes considered in the multiparametric classical and machine learning statistical analysis. A pilot study was conducted in two subgroups (n=74 and n=41) measuring 17 cytokines and 27 lymphocyte phenotypes respectively. Findings 1) Despite a strong association of clinical and laboratory variables with the outcomes in classical pairwise analysis, the contribution of laboratory tests to the combined prediction power was limited by redundancy. Laboratory variables reflected only two types of processes: inflammation and organ damage but none reflected the immune response, one major determinant of prognosis. 2) Eight of the thirty variables: age, comorbidity index, oxygen saturation to fraction of inspired oxygen ratio, neutrophil-lymphocyte ratio, C-reactive protein, aspartate aminotransferase/alanine aminotransferase ratio, fibrinogen, and glomerular filtration rate captured most of the combined statistical predictive power. 3) The interpretation of clinical and laboratory variables was moderately improved by grouping them in two categories i.e., inflammation related biomarkers and organ damage related biomarkers; Age and organ damage-related biomarker tests were the best predictors of survival, and inflammatory-related ones were the best predictors of severity. 4) The pilot study identified immunological tests (CXCL10, IL-6, IL-1RA and CCL2), that performed better than most currently used laboratory tests. Conclusions Laboratory tests for clinical management of COVID 19 patients are valuable but limited predictors due to redundancy; this limitation could be overcome by adding immunological tests with independent predictive power. Understanding the limitations of tests in use would improve their interpretation and simplify clinical management but a systematic search for better immunological biomarkers is urgent and feasible.
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Affiliation(s)
- Adrián Sánchez-Montalvá
- Infectious Disease Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- International Health Program Institut Català de la Salut, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Department of Medicine, Universitat Autònoma Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Barcelona, Spain
| | - Daniel Álvarez-Sierra
- Translational Immunology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
| | - Mónica Martínez-Gallo
- Translational Immunology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Immunology Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Janire Perurena-Prieto
- Translational Immunology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Iria Arrese-Muñoz
- Immunology Department, Hospital Universitari Vall Hebron, Barcelona, Spain
| | - Juan Carlos Ruiz-Rodríguez
- Intensive Medicine Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Organ Dysfunction and Resuscitation Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
| | - Juan Espinosa-Pereiro
- Infectious Disease Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- International Health Program Institut Català de la Salut, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Barcelona, Spain
| | - Pau Bosch-Nicolau
- Infectious Disease Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- International Health Program Institut Català de la Salut, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Barcelona, Spain
| | - Xavier Martínez-Gómez
- Epidemiology and Public Health Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Epidemiology and Public Health Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Department of Pediatrics, Obstetrics and Gynecology, Epidemiology and Public Health, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Andrés Antón
- Microbiology Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Microbiology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Department of Genetics and Microbiology, Autonomous University of Barcelona, Barcelona, Spain
| | - Ferran Martínez-Valle
- Department of Medicine, Universitat Autònoma Barcelona, Barcelona, Spain
- Internal Medicine Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Systemic Disease Research Group, Valle Hebron Research Institute (VHIR), Barcelona, Spain
| | - Mar Riveiro-Barciela
- Department of Medicine, Universitat Autònoma Barcelona, Barcelona, Spain
- Liver Disease Research Group, Valle Hebron Research Institute (VHIR), Barcelona, Spain
- CIBERehd - Instituto de Salud Carlos III, Barcelona, Spain
| | - Albert Blanco-Grau
- Clinical Biochemistry Department, Hospital Universitari Vall d'Hebron and Clinical Biochemistry Research Group, Valle Hebron Research Institute (VHIR), Barcelona, Spain
| | - Francisco Rodríguez-Frias
- Clinical Biochemistry Department, Hospital Universitari Vall d'Hebron and Clinical Biochemistry Research Group, Valle Hebron Research Institute (VHIR), Barcelona, Spain
| | | | - Elisabet Poyatos-Canton
- Immunology Division, Bellvitge University Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Jordi Bas-Minguet
- Immunology Division, Bellvitge University Hospital, Hospitalet de Llobregat, Barcelona, Spain
| | - Eva Martínez-Cáceres
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
- Immunology Group, Germans Trias i Pujol Health Sciences Research Institute (IGTP), Badalona (Barcelona), Spain
- Immunology Department, Hospital Universitari Germans Trias Pujol, Badalona (Barcelona), Spain
| | - Alex Sánchez-Pla
- Bioinformatics and Statistics Group, University of Barcelona, Barcelona, Spain
- Statistics and Bioinformatics Unit, Vall Hebron Research Institute (VHIR), Barcelona, Spain
| | - Coral Zurera-Egea
- Immunology Department, Hospital Universitari Germans Trias Pujol, Badalona (Barcelona), Spain
| | - Aina Teniente-Serra
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
- Immunology Group, Germans Trias i Pujol Health Sciences Research Institute (IGTP), Badalona (Barcelona), Spain
- Immunology Department, Hospital Universitari Germans Trias Pujol, Badalona (Barcelona), Spain
| | - Manuel Hernández-González
- Translational Immunology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Immunology Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
| | - Ricardo Pujol-Borrell
- Translational Immunology Research Group, Vall Hebron Research Institute (VHIR), Barcelona, Spain
- Immunology Department, Hospital Universitari Vall Hebron, Barcelona, Spain
- Department of Cell Biology, Physiology, and Immunology, Universitat Autònoma Barcelona, Barcelona, Spain
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75
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Moga E, Lynton-Pons E, Domingo P. The Robustness of Cellular Immunity Determines the Fate of SARS-CoV-2 Infection. Front Immunol 2022; 13:904686. [PMID: 35833134 PMCID: PMC9271749 DOI: 10.3389/fimmu.2022.904686] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/27/2022] [Indexed: 12/11/2022] Open
Abstract
Two years after the appearance of the SARS-CoV-2 virus, the causal agent of the current global pandemic, it is time to analyze the evolution of the immune protection that infection and vaccination provide. Cellular immunity plays an important role in limiting disease severity and the resolution of infection. The early appearance, breadth and magnitude of SARS-CoV-2 specific T cell response has been correlated with disease severity and it has been thought that T cell responses may be sufficient to clear infection with minimal disease in COVID-19 patients with X-linked or autosomal recessive agammaglobulinemia. However, our knowledge of the phenotypic and functional diversity of CD8+ cytotoxic lymphocytes, CD4+ T helper cells, mucosal-associated invariant T (MAIT) cells and CD4+ T follicular helper (Tfh), which play a critical role in infection control as well as long-term protection, is still evolving. It has been described how CD8+ cytotoxic lymphocytes interrupt viral replication by secreting antiviral cytokines (IFN-γ and TNF-α) and directly killing infected cells, negatively correlating with stages of disease progression. In addition, CD4+ T helper cells have been reported to be key pieces, leading, coordinating and ultimately regulating antiviral immunity. For instance, in some more severe COVID-19 cases a dysregulated CD4+ T cell signature may contribute to the greater production of pro-inflammatory cytokines responsible for pathogenic inflammation. Here we discuss how cellular immunity is the axis around which the rest of the immune system components revolve, since it orchestrates and leads antiviral response by regulating the inflammatory cascade and, as a consequence, the innate immune system, as well as promoting a correct humoral response through CD4+ Tfh cells. This review also analyses the critical role of cellular immunity in modulating the development of high-affinity neutralizing antibodies and germinal center B cell differentiation in memory and long-lived antibody secreting cells. Finally, since there is currently a high percentage of vaccinated population and, in some cases, vaccine booster doses are even being administered in certain countries, we have also summarized newer approaches to long-lasting protective immunity and the cross-protection of cellular immune response against SARS-CoV-2.
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Affiliation(s)
- Esther Moga
- Department of Immunology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Universitat Autònoma de Barcelona, Barcelona, Spain,*Correspondence: Esther Moga,
| | - Elionor Lynton-Pons
- Department of Immunology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Pere Domingo
- Unidad de enfermedades infecciosas, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
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76
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Seyran M. Artificial intelligence and clinical data suggest the T cell-mediated SARS-CoV-2 nonstructural protein intranasal vaccines for global COVID-19 immunity. Vaccine 2022; 40:4296-4300. [PMID: 35778279 PMCID: PMC9226295 DOI: 10.1016/j.vaccine.2022.06.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 06/13/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022]
Abstract
Advanced computational methodologies suggested SARS-CoV-2, nonstructural proteins ORF1AB, ORF3a, as the source of immunodominant peptides for T cell presentation. T cell immunity is long-lasting and compatible with COVID-19 pathology. Based on the supporting clinical data, nonstructural SARS-CoV-2 protein vaccines could provide global immunity against COVID-19.
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Affiliation(s)
- Murat Seyran
- The University of Vienna, Doctoral Studies in Natural and Technical Sciences (SPL 44), Währinger Straße, A-1090 Vienna, Austria.
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77
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Balloux F, Tan C, Swadling L, Richard D, Jenner C, Maini M, van Dorp L. The past, current and future epidemiological dynamic of SARS-CoV-2. OXFORD OPEN IMMUNOLOGY 2022; 3:iqac003. [PMID: 35872966 PMCID: PMC9278178 DOI: 10.1093/oxfimm/iqac003] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/11/2022] [Accepted: 06/15/2022] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2, the agent of the COVID-19 pandemic, emerged in late 2019 in China, and rapidly spread throughout the world to reach all continents. As the virus expanded in its novel human host, viral lineages diversified through the accumulation of around two mutations a month on average. Different viral lineages have replaced each other since the start of the pandemic, with the most successful Alpha, Delta and Omicron variants of concern (VoCs) sequentially sweeping through the world to reach high global prevalence. Neither Alpha nor Delta was characterized by strong immune escape, with their success coming mainly from their higher transmissibility. Omicron is far more prone to immune evasion and spread primarily due to its increased ability to (re-)infect hosts with prior immunity. As host immunity reaches high levels globally through vaccination and prior infection, the epidemic is expected to transition from a pandemic regime to an endemic one where seasonality and waning host immunization are anticipated to become the primary forces shaping future SARS-CoV-2 lineage dynamics. In this review, we consider a body of evidence on the origins, host tropism, epidemiology, genomic and immunogenetic evolution of SARS-CoV-2 including an assessment of other coronaviruses infecting humans. Considering what is known so far, we conclude by delineating scenarios for the future dynamic of SARS-CoV-2, ranging from the good-circulation of a fifth endemic 'common cold' coronavirus of potentially low virulence, the bad-a situation roughly comparable with seasonal flu, and the ugly-extensive diversification into serotypes with long-term high-level endemicity.
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Affiliation(s)
- François Balloux
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
| | - Cedric Tan
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
- Genome Institute of Singapore, Agency for Science, Technology and Research (A*STAR), 138672 Singapore, Singapore
| | - Leo Swadling
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Damien Richard
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Charlotte Jenner
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
| | - Mala Maini
- Division of Infection and Immunity, University College London, London NW3 2PP, UK
| | - Lucy van Dorp
- UCL Genetics Institute, University College London, London WC1E 6BT, UK
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78
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Ssemaganda A, Nguyen HM, Nuhu F, Jahan N, Card CM, Kiazyk S, Severini G, Keynan Y, Su RC, Ji H, Abrenica B, McLaren PJ, Ball TB, Bullard J, Van Caeseele P, Stein D, McKinnon LR. Expansion of cytotoxic tissue-resident CD8 + T cells and CCR6 +CD161 + CD4 + T cells in the nasal mucosa following mRNA COVID-19 vaccination. Nat Commun 2022; 13:3357. [PMID: 35688805 PMCID: PMC9186487 DOI: 10.1038/s41467-022-30913-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 05/06/2022] [Indexed: 12/20/2022] Open
Abstract
Vaccines against SARS-CoV-2 have shown high efficacy in clinical trials, yet a full immunologic characterization of these vaccines, particularly within the human upper respiratory tract, is less well known. Here, we enumerate and phenotype T cells in nasal mucosa and blood using flow cytometry before and after vaccination with the Pfizer-BioNTech COVID-19 vaccine (n = 21). Tissue-resident memory (Trm) CD8+ T cells expressing CD69+CD103+ increase in number ~12 days following the first and second doses, by 0.31 and 0.43 log10 cells per swab respectively (p = 0.058 and p = 0.009 in adjusted linear mixed models). CD69+CD103+CD8+ T cells in the blood decrease post-vaccination. Similar increases in nasal CD8+CD69+CD103- T cells are observed, particularly following the second dose. CD4+ cells co-expressing CCR6 and CD161 are also increased in abundance following both doses. Stimulation of nasal CD8+ T cells with SARS-CoV-2 spike peptides elevates expression of CD107a at 2- and 6-months (p = 0.0096) post second vaccine dose, with a subset of donors also expressing increased cytokines. These data suggest that nasal T cells may be induced and contribute to the protective immunity afforded by this vaccine.
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Affiliation(s)
- Aloysious Ssemaganda
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Huong Mai Nguyen
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Faisal Nuhu
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Naima Jahan
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Catherine M Card
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Sandra Kiazyk
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Giulia Severini
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Yoav Keynan
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Ruey-Chyi Su
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Hezhao Ji
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Bernard Abrenica
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Paul J McLaren
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - T Blake Ball
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Jared Bullard
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Cadham Provincial Laboratory, Winnipeg, MB, Canada
- Department of Pediatrics & Child Health, University of Manitoba, Winnipeg, MB, Canada
| | - Paul Van Caeseele
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Cadham Provincial Laboratory, Winnipeg, MB, Canada
| | - Derek Stein
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Cadham Provincial Laboratory, Winnipeg, MB, Canada
| | - Lyle R McKinnon
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada.
- JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada.
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.
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79
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Yang CX, Tomchaney M, Landecho MF, Zamacona BR, Marin Oto M, Zulueta J, Malo J, Knoper S, Contoli M, Papi A, Vasilescu DM, Sauler M, Straub C, Tan C, Martinez FD, Bhattacharya D, Rosas IO, Kheradmand F, Hackett TL, Polverino F. Lung Spatial Profiling Reveals a T Cell Signature in COPD Patients with Fatal SARS-CoV-2 Infection. Cells 2022; 11:cells11121864. [PMID: 35740993 PMCID: PMC9220844 DOI: 10.3390/cells11121864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/01/2022] [Accepted: 06/03/2022] [Indexed: 02/01/2023] Open
Abstract
People with pre-existing lung diseases such as chronic obstructive pulmonary disease (COPD) are more likely to get very sick from SARS-CoV-2 disease 2019 (COVID-19). Still, an interrogation of the immune response to COVID-19 infection, spatially throughout the lung structure, is lacking in patients with COPD. For this study, we characterized the immune microenvironment of the lung parenchyma, airways, and vessels of never- and ever-smokers with or without COPD, all of whom died of COVID-19, using spatial transcriptomic and proteomic profiling. The parenchyma, airways, and vessels of COPD patients, compared to control lungs had (1) significant enrichment for lung-resident CD45RO+ memory CD4+ T cells; (2) downregulation of genes associated with T cell antigen priming and memory T cell differentiation; and (3) higher expression of proteins associated with SARS-CoV-2 entry and primary receptor ubiquitously across the ROIs and in particular the lung parenchyma, despite similar SARS-CoV-2 structural gene expression levels. In conclusion, the lung parenchyma, airways, and vessels of COPD patients have increased T-lymphocytes with a blunted memory CD4 T cell response and a more invasive SARS-CoV-2 infection pattern and may underlie the higher death toll observed with COVID-19.
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Affiliation(s)
- Chen Xi Yang
- Centre for Heart and Lung Innovation, St. Paul’s Hospital, Vancouver, BC V6T 1Z4, Canada; (C.X.Y.); (D.M.V.); (T.-L.H.)
- Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Michael Tomchaney
- Asthma and Airway Disease Research Center, College of Medicine, University of Arizona College of Medicine, Tucson, AZ 85719, USA; (M.T.); (F.D.M.)
| | - Manuel F. Landecho
- Department of Internal Medicine, Clinica Universidad de Navarra, 31008 Pamplona, Spain; (M.F.L.); (B.R.Z.); (M.M.O.)
| | - Borja R. Zamacona
- Department of Internal Medicine, Clinica Universidad de Navarra, 31008 Pamplona, Spain; (M.F.L.); (B.R.Z.); (M.M.O.)
| | - Marta Marin Oto
- Department of Internal Medicine, Clinica Universidad de Navarra, 31008 Pamplona, Spain; (M.F.L.); (B.R.Z.); (M.M.O.)
| | | | - Joshua Malo
- Department of Surgery, University of Arizona, Tucson, AZ 85719, USA; (J.M.); (S.K.)
| | - Steve Knoper
- Department of Surgery, University of Arizona, Tucson, AZ 85719, USA; (J.M.); (S.K.)
| | - Marco Contoli
- Pulmonary Division, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (A.P.)
| | - Alberto Papi
- Pulmonary Division, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (A.P.)
| | - Dragoş M. Vasilescu
- Centre for Heart and Lung Innovation, St. Paul’s Hospital, Vancouver, BC V6T 1Z4, Canada; (C.X.Y.); (D.M.V.); (T.-L.H.)
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Maor Sauler
- Department of Medicine, Yale University, New Haven, CT 06520, USA;
| | - Christof Straub
- Nanostring Technologies, Seattle, WA 98109, USA; (C.S.); (C.T.)
| | - Cheryl Tan
- Nanostring Technologies, Seattle, WA 98109, USA; (C.S.); (C.T.)
| | - Fernando D. Martinez
- Asthma and Airway Disease Research Center, College of Medicine, University of Arizona College of Medicine, Tucson, AZ 85719, USA; (M.T.); (F.D.M.)
| | | | - Ivan O. Rosas
- Department of Medicine and Center for Translational Research, Baylor College of Medicine, Houston, TX 77030, USA; (I.O.R.); (F.K.)
| | - Farrah Kheradmand
- Department of Medicine and Center for Translational Research, Baylor College of Medicine, Houston, TX 77030, USA; (I.O.R.); (F.K.)
| | - Tillie-Louise Hackett
- Centre for Heart and Lung Innovation, St. Paul’s Hospital, Vancouver, BC V6T 1Z4, Canada; (C.X.Y.); (D.M.V.); (T.-L.H.)
- Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Francesca Polverino
- Department of Medicine and Center for Translational Research, Baylor College of Medicine, Houston, TX 77030, USA; (I.O.R.); (F.K.)
- Correspondence:
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80
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Mettelman RC, Allen EK, Thomas PG. Mucosal immune responses to infection and vaccination in the respiratory tract. Immunity 2022; 55:749-780. [PMID: 35545027 PMCID: PMC9087965 DOI: 10.1016/j.immuni.2022.04.013] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 01/25/2023]
Abstract
The lungs are constantly exposed to inhaled debris, allergens, pollutants, commensal or pathogenic microorganisms, and respiratory viruses. As a result, innate and adaptive immune responses in the respiratory tract are tightly regulated and are in continual flux between states of enhanced pathogen clearance, immune-modulation, and tissue repair. New single-cell-sequencing techniques are expanding our knowledge of airway cellular complexity and the nuanced connections between structural and immune cell compartments. Understanding these varied interactions is critical in treatment of human pulmonary disease and infections and in next-generation vaccine design. Here, we review the innate and adaptive immune responses in the lung and airways following infection and vaccination, with particular focus on influenza virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The ongoing SARS-CoV-2 pandemic has put pulmonary research firmly into the global spotlight, challenging previously held notions of respiratory immunity and helping identify new populations at high risk for respiratory distress.
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Affiliation(s)
- Robert C Mettelman
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - E Kaitlynn Allen
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Paul G Thomas
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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81
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Primorac D, Vrdoljak K, Brlek P, Pavelić E, Molnar V, Matišić V, Erceg Ivkošić I, Parčina M. Adaptive Immune Responses and Immunity to SARS-CoV-2. Front Immunol 2022; 13:848582. [PMID: 35603211 PMCID: PMC9114812 DOI: 10.3389/fimmu.2022.848582] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/07/2022] [Indexed: 12/20/2022] Open
Abstract
Since the onset of the COVID-19 pandemic, the medical field has been forced to apply the basic knowledge of immunology with the most up-to-date SARS-CoV-2 findings and translate it to the population of the whole world in record time. Following the infection with the viral antigen, adaptive immune responses are activated mainly by viral particle encounters with the antigen-presenting cells or B cell receptors, which induce further biological interactions to defend the host against the virus. After the infection has been warded off, the immunological memory is developed. The SARS-CoV cellular immunity has been shown to persist even 17 years after the infection, despite the undetectable humoral component. Similar has been demonstrated for the SARS-CoV-2 T cell memory in a shorter period by assessing interferon-gamma levels when heparinized blood is stimulated with the virus-specific peptides. T cells also play an irreplaceable part in a humoral immune reaction as the backbone of a cellular immune response. They both provide the signals for B cell activation and the maturation, competence, and memory of the humoral response. B cell production of IgA was shown to be of significant influence in mediating mucosal immunity as the first part of the defense mechanism and in the development of nasal vaccines. Here, we interpret the recent SARS-CoV-2 available research, which encompasses the significance and the current understanding of adaptive immune activity, and compare it among naive, exposed, and vaccinated blood donors. Our recent data showed that those who recovered from COVID-19 and those who are vaccinated with EMA-approved vaccines had a long-lasting cellular immunity. Additionally, we analyze the humoral responses in immunocompromised patients and memory mediated by cellular immunity and the impact of clonality in the SARS-CoV-2 pandemic regarding breakthrough infections and variants of concern, both B.1.617.2 (Delta) and B.1.1.529 (Omicron) variants.
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Affiliation(s)
- Dragan Primorac
- St. Catherine Specialty Hospital, Zagreb, Croatia
- Medical School, University of Split, Split, Croatia
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Medical School, University of Rijeka, Rijeka, Croatia
- Medical School REGIOMED, Coburg, Germany
- Eberly College of Science, The Pennsylvania State University, University Park, PA, United States
- The Henry C. Lee College of Criminal Justice and Forensic Sciences, University of New Haven, West Haven, CT, United States
| | | | - Petar Brlek
- St. Catherine Specialty Hospital, Zagreb, Croatia
| | | | - Vilim Molnar
- St. Catherine Specialty Hospital, Zagreb, Croatia
| | - Vid Matišić
- St. Catherine Specialty Hospital, Zagreb, Croatia
| | - Ivana Erceg Ivkošić
- St. Catherine Specialty Hospital, Zagreb, Croatia
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Marijo Parčina
- Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
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82
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Jiménez D, Torres Arias M. Immunouniverse of SARS-CoV-2. Immunol Med 2022; 45:186-224. [PMID: 35502127 DOI: 10.1080/25785826.2022.2066251] [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: 10/18/2022] Open
Abstract
SARS-CoV-2 virus has become a global health problem that has caused millions of deaths worldwide. The infection can present with multiple clinical features ranging from asymptomatic or mildly symptomatic patients to patients with severe or critical illness that can even lead to death. Although the immune system plays an important role in pathogen control, SARS-CoV-2 can drive dysregulation of this response and trigger severe immunopathology. Exploring the mechanisms of the immune response involved in host defense against SARS-CoV-2 allows us to understand its immunopathogenesis and possibly detect features that can be used as potential therapies to eliminate the virus. The main objective of this review on SARS-CoV-2 is to highlight the interaction between the virus and the immune response. We explore the function and action of the immune system, the expression of molecules at the site of infection that cause hyperinflammation and hypercoagulation disorders, the factors leading to the development of pneumonia and subsequent severe acute respiratory distress syndrome which is the leading cause of death in patients with COVID-19.
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Affiliation(s)
- Dennis Jiménez
- Departamento de Ciencias de la Vida y Agricultura, Carrera de Ingeniería en Biotecnología, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Pichincha, Ecuador
| | - Marbel Torres Arias
- Departamento de Ciencias de la Vida y Agricultura, Carrera de Ingeniería en Biotecnología, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Pichincha, Ecuador.,Laboratorio de Inmunología y Virología, CENCINAT, GISAH, Universidad de las Fuerzas Armadas, Sangolquí, Pichincha, Ecuador
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83
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Mortality in Severe Antibody Deficiencies Patients during the First Two Years of the COVID-19 Pandemic: Vaccination and Monoclonal Antibodies Efficacy. Biomedicines 2022; 10:biomedicines10051026. [PMID: 35625763 PMCID: PMC9138935 DOI: 10.3390/biomedicines10051026] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/20/2022] [Accepted: 04/28/2022] [Indexed: 02/04/2023] Open
Abstract
Patients with severely impaired antibody responses represent a group at-risk in the SARS-CoV-2 pandemic due to the lack of Spike-specific neutralizing antibodies. The main objective of this paper was to assess, by a longitudinal prospective study, COVID-19 infection and mortality rates, and disease severity in the first two years of the pandemic in a cohort of 471 Primary Antibody Defects adult patients. As secondary endpoints, we compared SARS-CoV-2 annual mortality rate to that observed over a 10-year follow-up in the same cohort, and we assessed the impact of interventions done in the second year, vaccination and anti-SARS-CoV-2 monoclonal antibodies administration on the disease outcome. Forty-one and 84 patients were infected during the first and the second year, respectively. Despite a higher infection and reinfection rate, and a higher COVID-19-related mortality rate compared to the Italian population, the pandemic did not modify the annual mortality rate for any cause in our cohort compared to that registered over the last ten years in the same cohort. PADs patients who died from COVID-19 had an underlying end-stage lung disease. We showed a beneficial effect of MoAbs administration on the likelihood of hospitalization and development of severe disease. In conclusion, COVID-19 did not cause excess mortality in Severe Antibody Deficiencies.
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84
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Prolonged Protective Immunity Induced by Mild SARS-CoV-2 Infection of K18-hACE2 Mice. Vaccines (Basel) 2022; 10:vaccines10040613. [PMID: 35455362 PMCID: PMC9032525 DOI: 10.3390/vaccines10040613] [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: 03/16/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 11/16/2022] Open
Abstract
Longevity of the immune response following viral exposure is an essential aspect of SARS-CoV-2 infection. Mild SARS-CoV-2 infection of K18-hACE2 mice was implemented for evaluating the mounting and longevity of a specific memory immune response. We show that the infection of K18-hACE2 mice induced robust humoral and cellular immunity (systemic and local), which persisted for at least six months. Virus-specific T cells and neutralizing antibody titers decreased over time, yet their levels were sufficient to provide sterile immunity against lethal rechallenge six months post-primary infection. The study substantiates the role of naturally induced immunity against SARS-CoV-2 infection for preventing recurring morbidity.
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85
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Kaneko N, Boucau J, Kuo HH, Perugino C, Mahajan VS, Farmer JR, Liu H, Diefenbach TJ, Piechocka-Trocha A, Lefteri K, Waring MT, Premo KR, Walker BD, Li JZ, Gaiha G, Yu XG, Lichterfeld M, Padera RF, Pillai S. Temporal changes in T cell subsets and expansion of cytotoxic CD4+ T cells in the lungs in severe COVID-19. Clin Immunol 2022; 237:108991. [PMID: 35364330 PMCID: PMC8961941 DOI: 10.1016/j.clim.2022.108991] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 03/25/2022] [Indexed: 01/08/2023]
Abstract
Many studies have been performed in severe COVID-19 on immune cells in the circulation and on cells obtained by bronchoalveolar lavage. Most studies have tended to provide relative information rather than a quantitative view, and it is a combination of approaches by various groups that is helping the field build a picture of the mechanisms that drive severe lung disease. Approaches employed to date have not revealed information on lung parenchymal T cell subsets in severe COVID-19. Therefore, we sought to examine early and late T cell subset alterations in the lungs and draining lymph nodes in severe COVID-19 using a rapid autopsy protocol and quantitative imaging approaches. Here, we have established that cytotoxic CD4+ T cells (CD4 + CTLs) increase in the lungs, draining lymph nodes and blood as COVID-19 progresses. CD4 + CTLs are prominently expanded in the lung parenchyma in severe COVID-19. In contrast CD8+ T cells are not prominent, exhibit increased PD-1 expression, and no obvious increase is seen in the number of Granzyme B+ CD8+ T cells in the lung parenchyma in severe COVID-19. Based on quantitative evidence for re-activation in the lung milieu, CD4 + CTLs may be as likely to drive viral clearance as CD8+ T cells and may also be contributors to lung inflammation and eventually to fibrosis in severe COVID-19.
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Affiliation(s)
- Naoki Kaneko
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Julie Boucau
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Hsiao-Hsuan Kuo
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Cory Perugino
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Division of Rheumatology Allergy and Immunology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Vinay S Mahajan
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Jocelyn R Farmer
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Division of Rheumatology Allergy and Immunology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Hang Liu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Alicja Piechocka-Trocha
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA
| | - Kristina Lefteri
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Michael T Waring
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Bruce D Walker
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA; Department of Biology and Institute of Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jonathan Z Li
- Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Gaurav Gaiha
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Xu G Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Robert F Padera
- Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA.
| | - Shiv Pillai
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA.
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86
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Lee J, Kim D, Min B. Tissue Resident Foxp3+ Regulatory T Cells: Sentinels and Saboteurs in Health and Disease. Front Immunol 2022; 13:865593. [PMID: 35359918 PMCID: PMC8963273 DOI: 10.3389/fimmu.2022.865593] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 02/22/2022] [Indexed: 01/04/2023] Open
Abstract
Foxp3+ regulatory T (Treg) cells are a CD4 T cell subset with unique immune regulatory function that are indispensable in immunity and tolerance. Their indisputable importance has been investigated in numerous disease settings and experimental models. Despite the extensive efforts in determining the cellular and molecular mechanisms operating their functions, our understanding their biology especially in vivo remains limited. There is emerging evidence that Treg cells resident in the non-lymphoid tissues play a central role in regulating tissue homeostasis, inflammation, and repair. Furthermore, tissue-specific properties of those Treg cells that allow them to express tissue specific functions have been explored. In this review, we will discuss the potential mechanisms and key cellular/molecular factors responsible for the homeostasis and functions of tissue resident Treg cells under steady-state and inflammatory conditions.
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Affiliation(s)
- Juyeun Lee
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Dongkyun Kim
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Booki Min
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- *Correspondence: Booki Min,
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87
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Nelson CE, Namasivayam S, Foreman TW, Kauffman KD, Sakai S, Dorosky DE, Lora NE, Brooks K, Potter EL, Garza NL, Lafont BAP, Johnson RF, Roederer M, Sher A, Weiskopf D, Sette A, de Wit E, Hickman HD, Brenchley JM, Via LE, Barber DL. Mild SARS-CoV-2 infection in rhesus macaques is associated with viral control prior to antigen-specific T cell responses in tissues. Sci Immunol 2022; 7:eabo0535. [PMID: 35271298 PMCID: PMC8995035 DOI: 10.1126/sciimmunol.abo0535] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/04/2022] [Indexed: 12/24/2022]
Abstract
SARS-CoV-2 primarily replicates in mucosal sites, and more information is needed about immune responses in infected tissues. Here, we used rhesus macaques to model protective primary immune responses in tissues during mild COVID-19. Viral RNA levels were highest on days 1-2 post-infection and fell precipitously thereafter. 18F-fluorodeoxyglucose (FDG)-avid lung abnormalities and interferon (IFN)-activated monocytes and macrophages in the bronchoalveolar lavage (BAL) were found on days 3-4 post-infection. Virus-specific effector CD8+ and CD4+ T cells became detectable in the BAL and lung tissue on days 7-10, after viral RNA, radiologic evidence of lung inflammation, and IFN-activated myeloid cells had substantially declined. Notably, SARS-CoV-2-specific T cells were not detectable in the nasal turbinates, salivary glands, and tonsils on day 10 post-infection. Thus, SARS-CoV-2 replication wanes in the lungs of rhesus macaques prior to T cell responses, and in the nasal and oral mucosa despite the apparent lack of antigen-specific T cells, suggesting that innate immunity efficiently restricts viral replication during mild COVID-19.
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Affiliation(s)
- Christine E. Nelson
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Sivaranjani Namasivayam
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Taylor W. Foreman
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Keith D. Kauffman
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Shunsuke Sakai
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Danielle E. Dorosky
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Nickiana E. Lora
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - NIAID/DIR Tuberculosis Imaging Program3†
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA
- Laboratory of Virology, Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Hamilton, MT, USA
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Institute of Infectious Disease & Molecular Medicine and Division of Immunology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Kelsie Brooks
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - E. Lake Potter
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Nicole L. Garza
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Bernard A. P. Lafont
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Reed F. Johnson
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Mario Roederer
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Daniela Weiskopf
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Alessandro Sette
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA
| | - Emmie de Wit
- Laboratory of Virology, Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Hamilton, MT, USA
| | - Heather D. Hickman
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Jason M. Brenchley
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Laura E. Via
- Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Institute of Infectious Disease & Molecular Medicine and Division of Immunology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Daniel L. Barber
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
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88
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Vijayakumar B, Boustani K, Ogger PP, Papadaki A, Tonkin J, Orton CM, Ghai P, Suveizdyte K, Hewitt RJ, Desai SR, Devaraj A, Snelgrove RJ, Molyneaux PL, Garner JL, Peters JE, Shah PL, Lloyd CM, Harker JA. Immuno-proteomic profiling reveals aberrant immune cell regulation in the airways of individuals with ongoing post-COVID-19 respiratory disease. Immunity 2022; 55:542-556.e5. [PMID: 35151371 PMCID: PMC8789571 DOI: 10.1016/j.immuni.2022.01.017] [Citation(s) in RCA: 94] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/17/2021] [Accepted: 01/21/2022] [Indexed: 11/29/2022]
Abstract
Some patients hospitalized with acute COVID-19 suffer respiratory symptoms that persist for many months. We delineated the immune-proteomic landscape in the airways and peripheral blood of healthy controls and post-COVID-19 patients 3 to 6 months after hospital discharge. Post-COVID-19 patients showed abnormal airway (but not plasma) proteomes, with an elevated concentration of proteins associated with apoptosis, tissue repair, and epithelial injury versus healthy individuals. Increased numbers of cytotoxic lymphocytes were observed in individuals with greater airway dysfunction, while increased B cell numbers and altered monocyte subsets were associated with more widespread lung abnormalities. A one-year follow-up of some post-COVID-19 patients indicated that these abnormalities resolved over time. In summary, COVID-19 causes a prolonged change to the airway immune landscape in those with persistent lung disease, with evidence of cell death and tissue repair linked to the ongoing activation of cytotoxic T cells.
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Affiliation(s)
- Bavithra Vijayakumar
- National Heart and Lung Institute, Imperial College London, London, UK; Chelsea and Westminster Hospital, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Karim Boustani
- National Heart and Lung Institute, Imperial College London, London, UK; Asthma UK Centre for Allergic Mechanisms of Asthma, London, London, UK
| | - Patricia P Ogger
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Artemis Papadaki
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - James Tonkin
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Christopher M Orton
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Poonam Ghai
- National Heart and Lung Institute, Imperial College London, London, UK
| | | | - Richard J Hewitt
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Sujal R Desai
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK; Margaret Turner-Warwick Centre for Fibrosing Lung Diseases, London, UK
| | - Anand Devaraj
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Robert J Snelgrove
- National Heart and Lung Institute, Imperial College London, London, UK; Asthma UK Centre for Allergic Mechanisms of Asthma, London, London, UK
| | - Philip L Molyneaux
- National Heart and Lung Institute, Imperial College London, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Justin L Garner
- Chelsea and Westminster Hospital, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - James E Peters
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Pallav L Shah
- National Heart and Lung Institute, Imperial College London, London, UK; Chelsea and Westminster Hospital, London, UK; Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Clare M Lloyd
- National Heart and Lung Institute, Imperial College London, London, UK; Asthma UK Centre for Allergic Mechanisms of Asthma, London, London, UK
| | - James A Harker
- National Heart and Lung Institute, Imperial College London, London, UK; Asthma UK Centre for Allergic Mechanisms of Asthma, London, London, UK.
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89
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T cell responses to SARS-CoV-2 in humans and animals. J Microbiol 2022; 60:276-289. [PMID: 35157219 PMCID: PMC8852923 DOI: 10.1007/s12275-022-1624-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/28/2021] [Accepted: 12/28/2021] [Indexed: 02/08/2023]
Abstract
SARS-CoV-2, the causative agent of COVID-19, first emerged in 2019. Antibody responses against SARS-CoV-2 have been given a lot of attention. However, the armamentarium of humoral and T cells may have differing roles in different viral infections. Though the exact role of T cells in COVID-19 remains to be elucidated, prior experience with human coronavirus has revealed an essential role of T cells in the outcomes of viral infections. Moreover, an increasing body of evidence suggests that T cells might be effective against SARS-CoV-2. This review summarizes the role of T cells in mouse CoV, human pathogenic respiratory CoV in general and SARS-CoV-2 in specific.
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90
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Single-cell Temporal Analysis of Natural Dengue Infection Reveals Skin-Homing Lymphocyte Expansion One Day before Defervescence. iScience 2022; 25:104034. [PMID: 35345453 PMCID: PMC8957021 DOI: 10.1016/j.isci.2022.104034] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/02/2022] [Accepted: 03/02/2022] [Indexed: 11/28/2022] Open
Abstract
Effective clinical management of acute dengue virus (DENV) infection relies on the timing of suitable treatments during the disease progression. We analyzed single-cell transcriptomic profiles of the peripheral blood mononuclear cell samples from two DENV patients, collected daily during acute phase and also at convalescence. Key immune cell types demonstrated different dynamic responses over the course of the infection. On the day before defervescence (Day −1), we observed the peak expression of several prominent genes in the adaptive immunological pathways. We also characterized unique effector T cell clusters that expressed skin-homing signature genes at Day −1, whereas upregulation of skin and gut homing genes was also observed in plasma cells and plasmablasts during the febrile period. This work provides an overview of unique molecular dynamics that signify the entry of the critical phase, and the findings could improve the patient management of DENV infection. Time-course scRNA-seq reveals immune response dynamics during acute dengue infection Rapid transcriptional switching was observed one day before fever subsided (Day -1) Skin-homing signatures were observed in specific T cells during the febrile phase Expansion of skin-homing CD69+ PD-1+ T cells at Day -1 was confirmed with FACS
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91
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Abstract
The adaptive immune response is a major determinant of the clinical outcome after SARS-CoV-2 infection and underpins vaccine efficacy. T cell responses develop early and correlate with protection but are relatively impaired in severe disease and are associated with intense activation and lymphopenia. A subset of T cells primed against seasonal coronaviruses cross reacts with SARS-CoV-2 and may contribute to clinical protection, particularly in early life. T cell memory encompasses broad recognition of viral proteins, estimated at around 30 epitopes within each individual, and seems to be well sustained so far. This breadth of recognition can limit the impact of individual viral mutations and is likely to underpin protection against severe disease from viral variants, including Omicron. Current COVID-19 vaccines elicit robust T cell responses that likely contribute to remarkable protection against hospitalization or death, and novel or heterologous regimens offer the potential to further enhance cellular responses. T cell immunity plays a central role in the control of SARS-CoV-2 and its importance may have been relatively underestimated thus far.
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Affiliation(s)
- Paul Moss
- University of Birmingham, Birmingham, UK.
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92
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Dynamics of spike-and nucleocapsid specific immunity during long-term follow-up and vaccination of SARS-CoV-2 convalescents. Nat Commun 2022; 13:153. [PMID: 35013191 PMCID: PMC8748966 DOI: 10.1038/s41467-021-27649-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/02/2021] [Indexed: 12/23/2022] Open
Abstract
Anti-viral immunity continuously declines over time after SARS-CoV-2 infection. Here, we characterize the dynamics of anti-viral immunity during long-term follow-up and after BNT162b2 mRNA-vaccination in convalescents after asymptomatic or mild SARS-CoV-2 infection. Virus-specific and virus-neutralizing antibody titers rapidly declined in convalescents over 9 months after infection, whereas virus-specific cytokine-producing polyfunctional T cells persisted, among which IL-2-producing T cells correlated with virus-neutralizing antibody titers. Among convalescents, 5% of individuals failed to mount long-lasting immunity after infection and showed a delayed response to vaccination compared to 1% of naïve vaccinees, but successfully responded to prime/boost vaccination. During the follow-up period, 8% of convalescents showed a selective increase in virus-neutralizing antibody titers without accompanying increased frequencies of circulating SARS-CoV-2-specific T cells. The same convalescents, however, responded to vaccination with simultaneous increase in antibody and T cell immunity revealing the strength of mRNA-vaccination to increase virus-specific immunity in convalescents. Waning immunity to SARS-CoV-2 is of concern. Here the authors follow spike- and nucleocapsid specific immunity in convalescent individuals for 9 months observing a decline in antibody levels but persisting T cell response. Vaccination approximately 11 months after infection boosts antibody and T cell immunity.
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93
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Abstract
The germinal centre (GC) response is critical for the generation of affinity-matured plasma cells and memory B cells capable of mediating long-term protective immunity. Understanding whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or vaccination elicits a GC response has profound implications for the capacity of responding B cells to contribute to protection against infection. However, direct assessment of the GC response in humans remains a major challenge. Here we summarize emerging evidence for the importance of the GC response in the establishment of durable and broad immunity against SARS-CoV-2 and discuss new approaches to modulate the GC response to better protect against newly emerging SARS-CoV-2 variants. We also discuss new findings showing that the GC B cell response persists in the draining lymph nodes for at least 6 months in some individuals following vaccination with SARS-CoV-2 mRNA-based vaccines.
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Affiliation(s)
- Brian J Laidlaw
- Division of Allergy and Immunology, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA.
| | - Ali H Ellebedy
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA.
- The Andrew M. and Jane M. Bursky Center for Human Immunology & Immunotherapy Programs, Washington University School of Medicine, St Louis, MO, USA.
- Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St Louis, MO, USA.
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94
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Zheng MZM, Wakim LM. Tissue resident memory T cells in the respiratory tract. Mucosal Immunol 2022; 15:379-388. [PMID: 34671115 PMCID: PMC8526531 DOI: 10.1038/s41385-021-00461-z] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/27/2021] [Accepted: 10/01/2021] [Indexed: 02/04/2023]
Abstract
Owing to their capacity to rapidly spread across the population, airborne pathogens represent a significant risk to global health. Indeed, several of the past major global pandemics have been instigated by respiratory pathogens. A greater understanding of the immune cells tasked with protecting the airways from infection will allow for the development of strategies that curb the spread and impact of these airborne diseases. A specific subset of memory T-cell resident in both the upper and lower respiratory tract, termed tissue-resident memory (Trm), have been shown to play an instrumental role in local immune responses against a wide breadth of both viral and bacterial infections. In this review, we discuss factors that influence respiratory tract Trm development, longevity, and immune surveillance and explore vaccination regimes that harness these cells, such approaches represent exciting new strategies that may be utilized to tackle the next global pandemic.
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Affiliation(s)
- Ming Z. M. Zheng
- grid.1008.90000 0001 2179 088XDepartment of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000 Australia
| | - Linda M. Wakim
- grid.1008.90000 0001 2179 088XDepartment of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000 Australia
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95
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Rea IM, Alexander HD. Triple jeopardy in ageing: COVID-19, co-morbidities and inflamm-ageing. Ageing Res Rev 2022; 73:101494. [PMID: 34688926 PMCID: PMC8530779 DOI: 10.1016/j.arr.2021.101494] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 09/01/2021] [Accepted: 10/18/2021] [Indexed: 02/06/2023]
Abstract
Covid-19 endangers lives, has disrupted normal life, changed the way medicine is practised and is likely to alter our world for the foreseeable future. Almost two years on since the presumptive first diagnosis of COVID-19 in China, more than two hundred and fifty million cases have been confirmed and more than five million people have died globally, with the figures rising daily. One of the most striking aspects of COVID-19 illness is the marked difference in individuals' experiences of the disease. Some, most often younger groups, are asymptomatic, whereas others become severely ill with acute respiratory distress syndrome (ARDS), pneumonia or proceed to fatal organ disease. The highest death rates are in the older and oldest age groups and in people with co-morbidities such as diabetes, heart disease and obesity. Three major questions seem important to consider. What do we understand about changes in the immune system that might contribute to the older person's risk of developing severe COVID-19? What factors contribute to the higher morbidity and mortality in older people with COVID-19? How could immunocompetence in the older and the frailest individuals and populations be supported and enhanced to give protection from serious COVID-19 illness?
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Affiliation(s)
- Irene Maeve Rea
- School of Medicine, Dentistry and Biomedical Science, Queens University Belfast, Belfast, United Kingdom; Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom; Meadowlands Ambulatory Care Centre, Belfast Health and Social Care Trust, Belfast, United Kingdom.
| | - H Denis Alexander
- Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom
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96
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Could veterinarians be immune to contracting SARS-CoV-2? Cent Eur J Immunol 2022; 47:275-279. [PMID: 36817264 PMCID: PMC9896990 DOI: 10.5114/ceji.2022.119893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction The aim of the study was to assess the epidemic situation among veterinarians of the Świętokrzyskie Voivodeship, Poland, in relation to the control group. Material and methods The research was divided into 3 stages. Stage I involved the selection of subjects. In stage II, flow cytometry for immunophenotyping was performed and the percentage of the sub-population of CD4 cells and CD8 cells was assessed. Stage III involved collection of nasopharyngeal swab samples in order to determine the canine coronavirus CR-CoV mRNA with the rT-PCR method. Results The percentage of the CD4 and CD8 lymphocyte subpopulation in relation to the total lymphocyte population in veterinarians did not differ statistically from the percentage in the control group. The CD4/CD8 ratio in the group of veterinarians was on average 1.93, and 2.04 in the control group. There was no statistically significant difference between the groups, p = 0.591. Canine CR-CoV mRNA was not detected in any of the veterinarians or in the control group. Conclusions None of the veterinarians had a significant increase in T lymphocytes, which could be an effective defense against SARS-CoV-2.
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97
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Tissue-resident immunity in the lung: a first-line defense at the environmental interface. Semin Immunopathol 2022; 44:827-854. [PMID: 36305904 PMCID: PMC9614767 DOI: 10.1007/s00281-022-00964-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/08/2022] [Indexed: 12/15/2022]
Abstract
The lung is a vital organ that incessantly faces external environmental challenges. Its homeostasis and unimpeded vital function are ensured by the respiratory epithelium working hand in hand with an intricate fine-tuned tissue-resident immune cell network. Lung tissue-resident immune cells span across the innate and adaptive immunity and protect from infectious agents but can also prove to be pathogenic if dysregulated. Here, we review the innate and adaptive immune cell subtypes comprising lung-resident immunity and discuss their ontogeny and role in distinct respiratory diseases. An improved understanding of the role of lung-resident immunity and how its function is dysregulated under pathological conditions can shed light on the pathogenesis of respiratory diseases.
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98
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Grau-Expósito J, Perea D, Suppi M, Massana N, Vergara A, Soler MJ, Trinite B, Blanco J, García-Pérez J, Alcamí J, Serrano-Mollar A, Rosado J, Falcó V, Genescà M, Buzon MJ. Evaluation of SARS-CoV-2 entry, inflammation and new therapeutics in human lung tissue cells. PLoS Pathog 2022; 18:e1010171. [PMID: 35025963 PMCID: PMC8791477 DOI: 10.1371/journal.ppat.1010171] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/26/2022] [Accepted: 12/06/2021] [Indexed: 12/15/2022] Open
Abstract
The development of physiological models that reproduce SARS-CoV-2 infection in primary human cells will be instrumental to identify host-pathogen interactions and potential therapeutics. Here, using cell suspensions directly from primary human lung tissues (HLT), we have developed a rapid platform for the identification of viral targets and the expression of viral entry factors, as well as for the screening of viral entry inhibitors and anti-inflammatory compounds. The direct use of HLT cells, without long-term cell culture and in vitro differentiation approaches, preserves main immune and structural cell populations, including the most susceptible cell targets for SARS-CoV-2; alveolar type II (AT-II) cells, while maintaining the expression of proteins involved in viral infection, such as ACE2, TMPRSS2, CD147 and AXL. Further, antiviral testing of 39 drug candidates reveals a highly reproducible method, suitable for different SARS-CoV-2 variants, and provides the identification of new compounds missed by conventional systems, such as VeroE6. Using this method, we also show that interferons do not modulate ACE2 expression, and that stimulation of local inflammatory responses can be modulated by different compounds with antiviral activity. Overall, we present a relevant and rapid method for the study of SARS-CoV-2.
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Affiliation(s)
- Judith Grau-Expósito
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - David Perea
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Marina Suppi
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Núria Massana
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Ander Vergara
- Nephrology Research Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Maria José Soler
- Nephrology Research Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Benjamin Trinite
- IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, Autonomous University of Barcelona (UAB), Badalona, Spain
| | - Julià Blanco
- IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, Autonomous University of Barcelona (UAB), Badalona, Spain
- University of Vic–Central University of Catalonia (UVic-UCC), Vic, Spain
| | - Javier García-Pérez
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - José Alcamí
- AIDS Immunopathology Unit, National Center of Microbiology, Instituto de Salud Carlos III, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Clinic HIV Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Anna Serrano-Mollar
- Experimental Pathology Department, Institut d’Investigacions Biomèdiques de Barcelona, Consejo Superior de Investigaciones Científicas (IIBB-CSIC), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Joel Rosado
- Thoracic Surgery and Lung Transplantation Department, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron, VHIR Task Force COVID-19, Barcelona, Spain
| | - Vicenç Falcó
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Meritxell Genescà
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
| | - Maria J. Buzon
- Infectious Diseases Department, Vall d’Hebron Research Institute (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, VHIR Task Force COVID-19, Barcelona, Spain
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99
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Lange J, Rivera-Ballesteros O, Buggert M. Human mucosal tissue-resident memory T cells in health and disease. Mucosal Immunol 2022; 15:389-397. [PMID: 34743182 PMCID: PMC8571012 DOI: 10.1038/s41385-021-00467-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/11/2021] [Accepted: 10/18/2021] [Indexed: 02/04/2023]
Abstract
Memory T cells are fundamental to maintain immune surveillance of the human body. During the past decade, it has become apparent that non-recirculating resident memory T cells (TRMs) form a first line memory response in tissues to tackle re-infections. The fact that TRMs are essential for local immunity highlights the therapeutic potential of targeting this population against tumors and infections. However, similar to other immune subsets, TRMs are heterogenous and may form distinct effector populations with unique functions at diverse tissue sites. Further insight into the mechanisms of how TRM function and respond to pathogens and malignancies at different mucosal sites will help to shape future vaccine and immunotherapeutic approaches. Here, we review the current understanding of TRM function and biology at four major mucosal sites: gastrointestinal tract, lung, head and neck, as well as female reproductive tract. We also summarize our current knowledge of how TRM targets invading pathogens and developing tumor cells at these mucosal sites and contemplate how TRMs may be exploited to protect from infections and cancer.
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Affiliation(s)
- Joshua Lange
- grid.4714.60000 0004 1937 0626Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Olga Rivera-Ballesteros
- grid.4714.60000 0004 1937 0626Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Marcus Buggert
- grid.4714.60000 0004 1937 0626Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
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100
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Ndeupen S, Qin Z, Jacobsen S, Bouteau A, Estanbouli H, Igyártó BZ. The mRNA-LNP platform's lipid nanoparticle component used in preclinical vaccine studies is highly inflammatory. iScience 2021; 24:103479. [PMID: 34841223 PMCID: PMC8604799 DOI: 10.1016/j.isci.2021.103479] [Citation(s) in RCA: 230] [Impact Index Per Article: 76.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 09/03/2021] [Accepted: 11/17/2021] [Indexed: 12/28/2022] Open
Abstract
Vaccines based on mRNA-containing lipid nanoparticles (LNPs) are a promising new platform used by two leading vaccines against COVID-19. Clinical trials and ongoing vaccinations present with varying degrees of protection levels and side effects. However, the drivers of the reported side effects remain poorly defined. Here we present evidence that Acuitas' LNPs used in preclinical nucleoside-modified mRNA vaccine studies are highly inflammatory in mice. Intradermal and intramuscular injection of these LNPs led to rapid and robust inflammatory responses, characterized by massive neutrophil infiltration, activation of diverse inflammatory pathways, and production of various inflammatory cytokines and chemokines. The same dose of LNP delivered intranasally led to similar inflammatory responses in the lung and resulted in a high mortality rate, with mechanism unresolved. Thus, the mRNA-LNP platforms' potency in supporting the induction of adaptive immune responses and the observed side effects may stem from the LNPs' highly inflammatory nature.
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Affiliation(s)
- Sonia Ndeupen
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
| | - Zhen Qin
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
| | - Sonya Jacobsen
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
| | - Aurélie Bouteau
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
| | - Henri Estanbouli
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
| | - Botond Z. Igyártó
- Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia 19107 PA, USA
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