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Zhang MH, Scotland BL, Jiao Y, Slaby EM, Truong N, Cottingham AL, Stephanie G, Szeto GL, Pearson RM. Lipid-Polymer Hybrid Nanoparticles Utilize B Cells and Dendritic Cells to Elicit Distinct Antigen-Specific CD4 + and CD8 + T Cell Responses. ACS APPLIED BIO MATERIALS 2023:10.1021/acsabm.3c00229. [PMID: 37219857 PMCID: PMC10665545 DOI: 10.1021/acsabm.3c00229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Antigen-presenting cells (APCs) are widely studied for treating immune-mediated diseases, and dendritic cells (DCs) are potent APCs that uptake and present antigens (Ags). However, DCs face several challenges that hinder their clinical translation due to their inability to control Ag dosing and low abundance in peripheral blood. B cells are a potential alternative to DCs, but their poor nonspecific Ag uptake capabilities compromise controllable priming of T cells. Here, we developed phospholipid-conjugated Ags (L-Ags) and lipid-polymer hybrid nanoparticles (L/P-Ag NPs) as delivery platforms to expand the range of accessible APCs for use in T cell priming. These delivery platforms were evaluated using DCs, CD40-activated B cells, and resting B cells to understand the impacts of various Ag delivery mechanisms for generation of Ag-specific T cell responses. L-Ag delivery (termed depoting) of MHC class I- and II-restricted Ags successfully loaded all APC types in a tunable manner and primed both Ag-specific CD8+ and CD4+ T cells, respectively. Incorporating L-Ags and polymer-conjugated Ags (P-Ag) into NPs can direct Ags to different uptake pathways to engineer the dynamics of presentation and shape T cell responses. DCs were capable of processing and presenting Ag delivered from both L- and P-Ag NPs, yet B cells could only utilize Ag delivered from L-Ag NPs, which led to differential cytokine secretion profiles in coculture studies. Altogether, we show that L-Ags and P-Ags can be rationally paired within a single NP to leverage distinct delivery mechanisms to access multiple Ag processing pathways in two APC types, offering a modular delivery platform for engineering Ag-specific immunotherapies.
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Affiliation(s)
- Michael H. Zhang
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250
- Co-first authors
| | - Brianna L. Scotland
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201
- Co-first authors
| | - Yun Jiao
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250
| | - Emily M. Slaby
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250
| | - Nhu Truong
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201
| | - Andrea L. Cottingham
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201
| | - Georgina Stephanie
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250
| | - Gregory L. Szeto
- Department of Chemical, Biochemical, and Environmental Engineering, University of Maryland Baltimore County, Baltimore, MD 21250
- Allen Institute for Immunology, Seattle, WA 98109
| | - Ryan M. Pearson
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201
- University of Maryland Greenebaum Comprehensive Cancer Center, Baltimore, MD 21201
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201
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2
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Sandalova T, Sala BM, Achour A. Structural aspects of chemical modifications in the MHC-restricted immunopeptidome; Implications for immune recognition. Front Chem 2022; 10:861609. [PMID: 36017166 PMCID: PMC9395651 DOI: 10.3389/fchem.2022.861609] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 07/12/2022] [Indexed: 11/26/2022] Open
Abstract
Significant advances in mass-spectroscopy (MS) have made it possible to investigate the cellular immunopeptidome, a large collection of MHC-associated epitopes presented on the surface of healthy, stressed and infected cells. These approaches have hitherto allowed the unambiguous identification of large cohorts of epitope sequences that are restricted to specific MHC class I and II molecules, enhancing our understanding of the quantities, qualities and origins of these peptide populations. Most importantly these analyses provide essential information about the immunopeptidome in responses to pathogens, autoimmunity and cancer, and will hopefully allow for future tailored individual therapies. Protein post-translational modifications (PTM) play a key role in cellular functions, and are essential for both maintaining cellular homeostasis and increasing the diversity of the proteome. A significant proportion of proteins is post-translationally modified, and thus a deeper understanding of the importance of PTM epitopes in immunopeptidomes is essential for a thorough and stringent understanding of these peptide populations. The aim of the present review is to provide a structural insight into the impact of PTM peptides on stability of MHC/peptide complexes, and how these may alter/modulate immune responses.
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Affiliation(s)
- Tatyana Sandalova
- Science for Life Laboratory, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Section for Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Benedetta Maria Sala
- Science for Life Laboratory, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Section for Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Adnane Achour
- Science for Life Laboratory, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Section for Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
- *Correspondence: Adnane Achour,
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3
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Bukar AM, Jesse FFA, Abdullah CAC, Noordin MM, Lawan Z, Mangga HK, Balakrishnan KN, Azmi MLM. Immunomodulatory Strategies for Parapoxvirus: Current Status and Future Approaches for the Development of Vaccines against Orf Virus Infection. Vaccines (Basel) 2021; 9:1341. [PMID: 34835272 PMCID: PMC8624149 DOI: 10.3390/vaccines9111341] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022] Open
Abstract
Orf virus (ORFV), the prototype species of the parapoxvirus genus, is the causative agent of contagious ecthyma, an extremely devastating skin disease of sheep, goats, and humans that causes enormous economic losses in livestock production. ORFV is known for its ability to repeatedly infect both previously infected and vaccinated sheep due to several immunomodulatory genes encoded by the virus that temporarily suppress host immunity. Therefore, the development of novel, safe and effective vaccines against ORFV infection is an important priority. Although, the commercially licensed live-attenuated vaccines have provided partial protection against ORFV infections, the attenuated viruses have been associated with major safety concerns. In addition to safety issues, the persistent reinfection of vaccinated animals warrants the need to investigate several factors that may affect vaccine efficacy. Perhaps, the reason for the failure of the vaccine is due to the long-term adaptation of the virus in tissue culture. In recent years, the development of vaccines against ORFV infection has achieved great success due to technological advances in recombinant DNA technologies, which have opened a pathway for the development of vaccine candidates that elicit robust immunity. In this review, we present current knowledge on immune responses elicited by ORFV, with particular attention to the effects of the viral immunomodulators on the host immune system. We also discuss the implications of strain variation for the development of rational vaccines. Finally, the review will also aim to demonstrate future strategies for the development of safe and efficient vaccines against ORFV infections.
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Affiliation(s)
- Alhaji Modu Bukar
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
- Department of Science Laboratory Technology, School Agriculture and Applied Sciences, Ramat Polytechnic Maiduguri, Maiduguri 1070, Borno, Nigeria
| | - Faez Firdaus Abdullah Jesse
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | | | - Mustapha M. Noordin
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
| | - Zaharaddeen Lawan
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
| | - Hassana Kyari Mangga
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
| | - Krishnan Nair Balakrishnan
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
| | - Mohd-Lila Mohd Azmi
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (M.M.N.); (Z.L.); (H.K.M.); (K.N.B.)
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4
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Nijen Twilhaar MK, Czentner L, van Nostrum CF, Storm G, den Haan JMM. Mimicking Pathogens to Augment the Potency of Liposomal Cancer Vaccines. Pharmaceutics 2021; 13:954. [PMID: 34202919 PMCID: PMC8308965 DOI: 10.3390/pharmaceutics13070954] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 01/02/2023] Open
Abstract
Liposomes have emerged as interesting vehicles in cancer vaccination strategies as their composition enables the inclusion of both hydrophilic and hydrophobic antigens and adjuvants. In addition, liposomes can be decorated with targeting moieties to further resemble pathogenic particles that allow for better engagement with the immune system. However, so far liposomal cancer vaccines have not yet reached their full potential in the clinic. In this review, we summarize recent preclinical studies on liposomal cancer vaccines. We describe the basic ingredients for liposomal cancer vaccines, tumor antigens, and adjuvants, and how their combined inclusion together with targeting moieties potentially derived from pathogens can enhance vaccine immunogenicity. We discuss newly identified antigen-presenting cells in humans and mice that pose as promising targets for cancer vaccines. The lessons learned from these preclinical studies can be applied to enhance the efficacy of liposomal cancer vaccination in the clinic.
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Affiliation(s)
- Maarten K. Nijen Twilhaar
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands;
| | - Lucas Czentner
- Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (L.C.); (C.F.v.N.); (G.S.)
| | - Cornelus F. van Nostrum
- Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (L.C.); (C.F.v.N.); (G.S.)
| | - Gert Storm
- Department of Pharmaceutics, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands; (L.C.); (C.F.v.N.); (G.S.)
- Department of Biomaterials, Science and Technology, Faculty of Science and Technology, University of Twente, 7522 NB Enschede, The Netherlands
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
| | - Joke M. M. den Haan
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands;
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5
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Marijt KA, Griffioen L, Blijleven L, van der Burg SH, van Hall T. Cross-presentation of a TAP-independent signal peptide induces CD8 T immunity to escaped cancers but necessitates anchor replacement. Cancer Immunol Immunother 2021; 71:289-300. [PMID: 34142235 PMCID: PMC8783882 DOI: 10.1007/s00262-021-02984-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 06/08/2021] [Indexed: 12/22/2022]
Abstract
Cancer cells frequently display defects in their antigen-processing pathway and thereby evade CD8 T cell immunity. We described a novel category of cancer antigens, named TEIPP, that emerge on cancers with functional loss of the peptide pump TAP. TEIPPs are non-mutated neoantigens despite their ‘self’ origin by virtue of their absence on normal tissues. Here, we describe the development of a synthetic long peptide (SLP) vaccine for the most immunogenic TEIPP antigen identified thus far, derived from the TAP-independent LRPAP1 signal sequence. LRPAP121–30-specific CD8 T cells were present in blood of all tested healthy donors as well as patients with non-small cell lung adenocarcinoma. SLPs with natural flanking, however, failed to be cross-presented by monocyte-derived dendritic cells. Since the C-terminus of LRPAP121–30 is an unconventional and weakly binding serine (S), we investigated if replacement of this anchor would result in efficient cross-presentation. Exchange into a valine (V) resulted in higher HLA-A2 binding affinity and enhanced T cell stimulation. Importantly, CD8 T cells isolated using the V-variant were able to bind tetramers with the natural S-variant and respond to TAP-deficient cancer cells. A functional screen with an array of N-terminal and C-terminal extended SLPs pointed at the 24-mer V-SLP, elongated at the N-terminus, as most optimal vaccine candidate. This SLP was efficiently cross-presented and consistently induced a strong polyclonal LRPAP121–30-specific CD8 T cells from the endogenous T cell repertoire. Thus, we designed a TEIPP SLP vaccine from the LRPAP1 signal sequence ready for validation in clinical trials.
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Affiliation(s)
- Koen A Marijt
- Department of Medical Oncology, C7-P, Oncode Institute, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Lisa Griffioen
- Department of Medical Oncology, C7-P, Oncode Institute, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Laura Blijleven
- Department of Medical Oncology, C7-P, Oncode Institute, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Sjoerd H van der Burg
- Department of Medical Oncology, C7-P, Oncode Institute, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Thorbald van Hall
- Department of Medical Oncology, C7-P, Oncode Institute, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands.
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6
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Optimization of Liposomes for Antigen Targeting to Splenic CD169 + Macrophages. Pharmaceutics 2020; 12:pharmaceutics12121138. [PMID: 33255564 PMCID: PMC7760819 DOI: 10.3390/pharmaceutics12121138] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/21/2022] Open
Abstract
Despite promising progress in cancer vaccination, therapeutic effectiveness is often insufficient. Cancer vaccine effectiveness could be enhanced by targeting vaccine antigens to antigen-presenting cells, thereby increasing T-cell activation. CD169-expressing splenic macrophages efficiently capture particulate antigens from the blood and transfer these antigens to dendritic cells for the activation of CD8+ T cells. In this study, we incorporated a physiological ligand for CD169, the ganglioside GM3, into liposomes to enhance liposome uptake by CD169+ macrophages. We assessed how variation in the amount of GM3, surface-attached PEG and liposomal size affected the binding to, and uptake by, CD169+ macrophages in vitro and in vivo. As a proof of concept, we prepared GM3-targeted liposomes containing a long synthetic ovalbumin peptide and tested the capacity of these liposomes to induce CD8+ and CD4+ T-cell responses compared to control liposomes or soluble peptide. The data indicate that the delivery of liposomes to splenic CD169+ macrophages can be optimized by the selection of liposomal constituents and liposomal size. Moreover, optimized GM3-mediated liposomal targeting to CD169+ macrophages induces potent immune responses and therefore presents as an interesting delivery strategy for cancer vaccination.
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7
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Scheetz L, Park KS, Li Q, Lowenstein PR, Castro MG, Schwendeman A, Moon JJ. Engineering patient-specific cancer immunotherapies. Nat Biomed Eng 2019; 3:768-782. [PMID: 31406259 PMCID: PMC6783331 DOI: 10.1038/s41551-019-0436-x] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 07/03/2019] [Indexed: 02/06/2023]
Abstract
Research into the immunological processes implicated in cancer has yielded a basis for the range of immunotherapies that are now considered the fourth pillar of cancer treatment (alongside surgery, radiotherapy and chemotherapy). For some aggressive cancers, such as advanced non-small-cell lung carcinoma, combination immunotherapies have resulted in unprecedented treatment efficacy for responding patients, and have become frontline therapies. Individualized immunotherapy, enabled by the identification of patient-specific mutations, neoantigens and biomarkers, and facilitated by advances in genomics and proteomics, promises to broaden the responder patient population. In this Perspective, we give an overview of immunotherapies leveraging engineering approaches, including the design of biomaterials, delivery strategies and nanotechnology solutions, for the realization of individualized cancer treatments such as nanoparticle vaccines customized with neoantigens, cell therapies based on patient-derived dendritic cells and T cells, and combinations of theranostic strategies. Developments in precision cancer immunotherapy will increasingly rely on the adoption of engineering principles.
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Affiliation(s)
- Lindsay Scheetz
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Kyung Soo Park
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Qiao Li
- Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Pedro R Lowenstein
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Maria G Castro
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA.
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA.
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.
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8
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Onodi F, Maherzi-Mechalikh C, Mougel A, Ben Hamouda N, Taboas C, Gueugnon F, Tran T, Nozach H, Marcon E, Gey A, Terme M, Bouzidi A, Maillere B, Kerzerho J, Tartour E, Tanchot C. High Therapeutic Efficacy of a New Survivin LSP-Cancer Vaccine Containing CD4 + and CD8 + T-Cell Epitopes. Front Oncol 2018; 8:517. [PMID: 30483475 PMCID: PMC6243131 DOI: 10.3389/fonc.2018.00517] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 10/22/2018] [Indexed: 12/22/2022] Open
Abstract
The efficacy of an antitumoral vaccine relies both on the choice of the antigen targeted and on its design. The tumor antigen survivin is an attractive target to develop therapeutic cancer vaccines because of its restricted over-expression and vital functions in most human tumors. Accordingly, several clinical trials targeting survivin in various cancer indications have been conducted. Most of them relied on short peptide-based vaccines and showed promising, but limited clinical results. In this study, we investigated the immunogenicity and therapeutic efficacy of a new long synthetic peptide (LSP)-based cancer vaccine targeting the tumor antigen survivin (SVX). This SVX vaccine is composed of three long synthetic peptides containing several CD4+ and CD8+ T-cell epitopes, which bind to various HLA class II and class I molecules. Studies in healthy individuals showed CD4+ and CD8+ T-cell immunogenicity of SVX peptides in human, irrespective of the individual's HLA types. Importantly, high frequencies of spontaneous T-cell precursors specific to SVX peptides were also detected in the blood of various cancer patients, demonstrating the absence of tolerance against these peptides. We then demonstrated SVX vaccine's high therapeutic efficacy against four different established murine tumor models, associated with its capacity to generate both specific cytotoxic CD8+ and multifunctional Th1 CD4+ T-cell responses. When tumors were eradicated, generated memory T-cell responses protected against rechallenge allowing long-term protection against relapses. Treatment with SVX vaccine was also found to reshape the tumor microenvironment by increasing the tumor infiltration of both CD4+ and CD8+ T cells but not Treg cells therefore tipping the balance toward a highly efficient immune response. These results highlight that this LSP-based SVX vaccine appears as a promising cancer vaccine and warrants its further clinical development.
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Affiliation(s)
- Fanny Onodi
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France
| | - Chahrazed Maherzi-Mechalikh
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Alice Mougel
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nadine Ben Hamouda
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Service d'immunologie Biologique, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Charlotte Taboas
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France
| | - Fabien Gueugnon
- VAXEAL Research, Evry, France.,CEA-Saclay, Institut des Sciences du Vivant Frederic Joliot, Service d'Ingénierie Moléculaire des Protéines, Gif Sur Yvette, France
| | - Thi Tran
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France
| | - Herve Nozach
- CEA-Saclay, Institut des Sciences du Vivant Frederic Joliot, Service d'Ingénierie Moléculaire des Protéines, Gif Sur Yvette, France
| | - Elodie Marcon
- CEA-Saclay, Institut des Sciences du Vivant Frederic Joliot, Service d'Ingénierie Moléculaire des Protéines, Gif Sur Yvette, France
| | - Alain Gey
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Service d'immunologie Biologique, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Magali Terme
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | | | - Bernard Maillere
- CEA-Saclay, Institut des Sciences du Vivant Frederic Joliot, Service d'Ingénierie Moléculaire des Protéines, Gif Sur Yvette, France
| | | | - Eric Tartour
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France.,Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,Service d'immunologie Biologique, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Corinne Tanchot
- INSERM U970, PARCC (Paris-Cardiovascular Research Center), Paris, France
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9
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Panahi HA, Bolhassani A, Javadi G, Noormohammadi Z. A comprehensive in silico analysis for identification of therapeutic epitopes in HPV16, 18, 31 and 45 oncoproteins. PLoS One 2018; 13:e0205933. [PMID: 30356257 PMCID: PMC6200245 DOI: 10.1371/journal.pone.0205933] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 09/11/2018] [Indexed: 11/25/2022] Open
Abstract
Human papillomaviruses (HPVs) are a group of circular double-stranded DNA viruses, showing severe tropism to mucosal tissues. A subset of HPVs, especially HPV16 and 18, are the primary etiological cause for several epithelial cell malignancies, causing about 5.2% of all cancers worldwide. Due to the high prevalence and mortality, HPV-associated cancers have remained as a significant health problem in human society, making an urgent need to develop an effective therapeutic vaccine against them. Achieving this goal is primarily dependent on the identification of efficient tumor-associated epitopes, inducing a robust cell-mediated immune response. Previous information has shown that E5, E6, and E7 early proteins are responsible for the induction and maintenance of HPV-associated cancers. Therefore, the prediction of major histocompatibility complex (MHC) class I T cell epitopes of HPV16, 18, 31 and 45 oncoproteins was targeted in this study. For this purpose, a two-step plan was designed to identify the most probable CD8+ T cell epitopes. In the first step, MHC-I and II binding, MHC-I processing, MHC-I population coverage and MHC-I immunogenicity prediction analyses, and in the second step, MHC-I and II protein-peptide docking, epitope conservation, and cross-reactivity with host antigens’ analyses were carried out successively by different tools. Finally, we introduced five probable CD8+ T cell epitopes for each oncoprotein of the HPV genotypes (60 epitopes in total), which obtained better scores by an integrated approach. These predicted epitopes are valuable candidates for in vitro or in vivo therapeutic vaccine studies against the HPV-associated cancers. Additionally, this two-step plan that each step includes several analyses to find appropriate epitopes provides a rational basis for DNA- or peptide-based vaccine development.
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Affiliation(s)
- Heidar Ali Panahi
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
- * E-mail: ,
| | - Gholamreza Javadi
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Zahra Noormohammadi
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
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10
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Quandt J, Schlude C, Bartoschek M, Will R, Cid-Arregui A, Schölch S, Reissfelder C, Weitz J, Schneider M, Wiemann S, Momburg F, Beckhove P. Long-peptide vaccination with driver gene mutations in p53 and Kras induces cancer mutation-specific effector as well as regulatory T cell responses. Oncoimmunology 2018; 7:e1500671. [PMID: 30524892 PMCID: PMC6279329 DOI: 10.1080/2162402x.2018.1500671] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 06/26/2018] [Accepted: 07/10/2018] [Indexed: 01/09/2023] Open
Abstract
Mutated proteins arising from somatic mutations in tumors are promising targets for cancer immunotherapy. They represent true tumor-specific antigens (TSAs) as they are exclusively expressed in tumors, reduce the risk of autoimmunity and are more likely to overcome tolerance compared to wild-type (wt) sequences. Hence, we designed a panel of long peptides (LPs, 28–35 aa) comprising driver gene mutations in TP35 and KRAS frequently found in gastrointestinal tumors to test their combined immunotherapeutic potential. We found increased numbers of T cells responsive against respective mutated and wt peptides in colorectal cancer patients that carry the tested mutations in their tumors than patients with other mutations. Further, active immunization of HLA(-A2/DR1)-humanized mice with mixes of the same mutated LPs yielded simultaneous, polyvalent CD8+/CD4+ T cell responses against the majority of peptides. Peptide-specific T cells possessed a multifunctional cytokine profile with CD4+ T cells showing a TH1-like phenotype. Two mutated peptides (Kras[G12V], p53[R248W]) induced significantly higher T cell responses than corresponding wt sequences and comprised HLA-A2/DR1-restricted mutated epitopes. However, vaccination with the same highly immunogenic LPs strongly increased systemic regulatory T cells (Treg) numbers in a syngeneic sarcoma model over-expressing these mutated protein variants and resulted in accelerated tumor outgrowth. In contrast, tumor outgrowth was delayed when vaccination was directed against tumor-intrinsic Kras/Tp53 mutations of lower immunogenicity. Conclusively, we show that LP vaccination targeting multiple mutated TSAs elicits polyvalent, multifunctional, and mutation-specific effector T cells capable of targeting tumors. However, the success of this therapeutic approach can be hampered by vaccination-induced, TSA-specific Tregs.
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Affiliation(s)
- Jasmin Quandt
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.,Knapp Research Center, Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Christoph Schlude
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Michael Bartoschek
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.,Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Rainer Will
- Genomics and Proteomics Core Facility, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Angel Cid-Arregui
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.,Targeted Tumor Vaccines Group, Clinical Cooperation Unit Applied Tumor Immunity, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sebastian Schölch
- Department of Visceral Surgery, University Hospital Heidelberg, Heidelberg, Germany.,Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christoph Reissfelder
- Department of Visceral Surgery, University Hospital Heidelberg, Heidelberg, Germany.,Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jürgen Weitz
- Department of Visceral, Thoracic, and Vascular Surgery, Medizinische Fakultaet an der TU-Dresden, Dresden, Germany
| | - Martin Schneider
- Department of Visceral Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Stefan Wiemann
- Genomics and Proteomics Core Facility, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Division Molecular Genome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frank Momburg
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.,Antigen Presentation and T/NK Cell Activation Group, Clinical Cooperation Unit Applied Tumor Immunity, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Philipp Beckhove
- Department of Translational Immunology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.,Regensburg Center for Interventional Immunology (RCI), University Regensburg and Department of Hematology-Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
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11
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Verma S, Sugadev R, Kumar A, Chandna S, Ganju L, Bansal A. Multi-epitope DnaK peptide vaccine against S.Typhi: An in silico approach. Vaccine 2018; 36:4014-4022. [DOI: 10.1016/j.vaccine.2018.05.106] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 05/25/2018] [Accepted: 05/26/2018] [Indexed: 10/14/2022]
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12
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Gilchuk P, Knight FC, Wilson JT, Joyce S. Eliciting Epitope-Specific CD8+ T Cell Response by Immunization with Microbial Protein Antigens Formulated with α-Galactosylceramide: Theory, Practice, and Protocols. Methods Mol Biol 2017; 1494:321-352. [PMID: 27718206 DOI: 10.1007/978-1-4939-6445-1_25] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
CD8+ cytotoxic T lymphocytes confer protection against infectious diseases caused by viruses, bacteria, and parasites. Hence, significant efforts have been invested into devising ways to generate CD8+ T cell-targeted vaccines. Generation of microbe-free protein subunit vaccines requires a thorough knowledge of protective target antigens. Such antigens are proteolytically processed peptides presented by MHC class I molecules. To induce a robust antigen-specific CD8+ T cell response through vaccination, it is essential to formulate the antigen with an effective adjuvant. Here, we describe a versatile method for generating high-frequency antigen-specific CD8+ T cells through immunization of mice using the invariant natural killer T cell agonist α-galactosylceramide as the adjuvant.
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Affiliation(s)
- Pavlo Gilchuk
- Veterans Administration Tennessee Valley Healthcare System, US Department of Veterans Affairs, Nashville, TN, 37332, USA.,Department of Pathology, Microbiology and Immunology, School of Medicine, Vanderbilt University, A4223 Medical Centre North, 1161 21st Avenue South, Nashville, TN, 37332, USA
| | - Frances C Knight
- Department of Biomedical Engineering, School of Engineering, Vanderbilt University, Nashville, TN, 37332, USA
| | - John T Wilson
- Department of Biomedical Engineering, School of Engineering, Vanderbilt University, Nashville, TN, 37332, USA.,Department of Chemical & Biomolecular Engineering, School of Engineering, Vanderbilt University, Nashville, TN, 37332, USA
| | - Sebastian Joyce
- Veterans Administration Tennessee Valley Healthcare System, US Department of Veterans Affairs, Nashville, TN, 37332, USA. .,Department of Pathology, Microbiology and Immunology, School of Medicine, Vanderbilt University, A4223 Medical Centre North, 1161 21st Avenue South, Nashville, TN, 37332, USA.
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13
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van der Burg SH, Arens R, Ossendorp F, van Hall T, Melief CJM. Vaccines for established cancer: overcoming the challenges posed by immune evasion. Nat Rev Cancer 2016; 16:219-33. [PMID: 26965076 DOI: 10.1038/nrc.2016.16] [Citation(s) in RCA: 494] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Therapeutic vaccines preferentially stimulate T cells against tumour-specific epitopes that are created by DNA mutations or oncogenic viruses. In the setting of premalignant disease, carcinoma in situ or minimal residual disease, therapeutic vaccination can be clinically successful as monotherapy; however, in established cancers, therapeutic vaccines will require co-treatments to overcome immune evasion and to become fully effective. In this Review, we discuss the progress that has been made in overcoming immune evasion controlled by tumour cell-intrinsic factors and the tumour microenvironment. We summarize how therapeutic benefit can be maximized in patients with established cancers by improving vaccine design and by using vaccines to increase the effects of standard chemotherapies, to establish and/or maintain tumour-specific T cells that are re-energized by checkpoint blockade and other therapies, and to sustain the antitumour response of adoptively transferred T cells.
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Affiliation(s)
| | - Ramon Arens
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Ferry Ossendorp
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | | | - Cornelis J M Melief
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
- ISA Pharmaceuticals, J. H. Oortweg 19, 2333 CH, Leiden, The Netherlands
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14
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Abstract
The clinical benefit of therapeutic cancer vaccines has been established. Whereas regression of lesions was shown for premalignant lesions caused by HPV, clinical benefit in cancer patients was mostly noted as prolonged survival. Suboptimal vaccine design and an immunosuppressive cancer microenvironment are the root causes of the lack of cancer eradication. Effective cancer vaccines deliver concentrated antigen to both HLA class I and II molecules of DCs, promoting both CD4 and CD8 T cell responses. Optimal vaccine platforms include DNA and RNA vaccines and synthetic long peptides. Antigens of choice include mutant sequences, selected cancer testis antigens, and viral antigens. Drugs or physical treatments can mitigate the immunosuppressive cancer microenvironment and include chemotherapeutics, radiation, indoleamine 2,3-dioxygenase (IDO) inhibitors, inhibitors of T cell checkpoints, agonists of selected TNF receptor family members, and inhibitors of undesirable cytokines. The specificity of therapeutic vaccination combined with such immunomodulation offers an attractive avenue for the development of future cancer therapies.
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15
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Zhao Z, Sun HQ, Wei SS, Li B, Feng Q, Zhu J, Zeng H, Zou QM, Wu C. Multiple B-cell epitope vaccine induces a Staphylococcus enterotoxin B-specific IgG1 protective response against MRSA infection. Sci Rep 2015. [PMID: 26201558 PMCID: PMC4511869 DOI: 10.1038/srep12371] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
No vaccine against methicillin-resistant Staphylococcus aureus (MRSA) has been currently approved for use in humans. Staphylococcus enterotoxin B (SEB) is one of the most potent MRSA exotoxins. In the present study, we evaluated the efficacy and immunologic mechanisms of an SEB multiple B-cell epitope vaccine against MRSA infection. Synthetic overlapping peptide ELISA identified three novel B-cell immunodominant SEB epitopes (in addition to those previously known): SEB31–48, SEB133–150, and SEB193–210. Six B-cell immunodominant epitopes (amino acid residues 31–48, 97–114, 133–150, 193–210, 205–222, and 247–261) were sufficient to induce robust IgG1/IgG2b-specific protective responses against MRSA infection. Therefore, we constructed a recombinant MRSA SEB-specific multiple B-cell epitope vaccine Polypeptides by combining the six SEB immunodominant epitopes and demonstrated its ability to induce a robust SEB-specific IgG1 response to MRSA, as well as a Th2-directing isotype response. Moreover, Polypeptides-induced antisera stimulated synergetic opsonophagocytosis killing of MRSA. Most importantly, Polypeptides was more effective at clearing the bacteria in MRSA-infected mice than the whole SEB antigen, and was able to successfully protect mice from infection by various clinical MRSA isolates. Altogether, these results support further evaluation of the SEB multiple B-cell epitope-vaccine to address MRSA infection in humans.
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Affiliation(s)
- Zhuo Zhao
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - He-Qiang Sun
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Shan-Shan Wei
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400038, PR China
| | - Bin Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Qiang Feng
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Jiang Zhu
- Department of Pathology, Southwest Hospital, Third Military Medical University, Chongqing 400038, PR China
| | - Hao Zeng
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Quan-Ming Zou
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
| | - Chao Wu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing 400038, PR China
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16
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Di Stasi A, Jimenez AM, Minagawa K, Al-Obaidi M, Rezvani K. Review of the Results of WT1 Peptide Vaccination Strategies for Myelodysplastic Syndromes and Acute Myeloid Leukemia from Nine Different Studies. Front Immunol 2015; 6:36. [PMID: 25699052 PMCID: PMC4316779 DOI: 10.3389/fimmu.2015.00036] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 01/20/2015] [Indexed: 11/18/2022] Open
Abstract
We performed a systematic review of data from nine clinical trials of WT1 peptide vaccination in patients with myelodysplastic syndromes and/or acute myeloid leukemia (MDS/AML), published between 2004 and 2012. A total of 51 patients were eligible for analysis. Vaccination with WT1 peptides proved safe and feasible in patients with MDS/AML, in studies from different institutions. Additionally, clinical responses and clinical benefit were observed, with some patients achieving and maintaining remission long-term (more than 8 years). A significant correlation between induction of WT1-specific T cells and normalization/reduction of WT1 mRNA levels and progression-free survival was noted in a number of studies. However, larger studies are warranted to confirm these results. Interestingly, the majority of trials reported the presence of WT1-specific T cells with limited or absent functionality prior to vaccination, which increased in frequency and function after vaccination. In conclusion, WT1 peptide vaccination strategies were safe in this heterogeneous group of patient with MDS/AML. Larger and more homogeneous studies or randomized clinical trials are needed to quantify the contribution of WT1 peptide vaccines to clinical responses and long-term survival.
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Affiliation(s)
- Antonio Di Stasi
- Stem Cell Transplantation and Cell Therapy Unit, The University of Alabama at Birmingham , Birmingham, AL , USA
| | - Antonio M Jimenez
- Stem Cell Transplantation and Cell Therapy Unit, Rush University Medical Center , Chicago, IL , USA
| | - Kentaro Minagawa
- Stem Cell Transplantation and Cell Therapy Unit, The University of Alabama at Birmingham , Birmingham, AL , USA
| | - Mustafa Al-Obaidi
- Stem Cell Transplantation and Cell Therapy Unit, The University of Alabama at Birmingham , Birmingham, AL , USA
| | - Katayoun Rezvani
- Stem Cell Transplantation and Cell Therapy Unit, The University of Texas MD Anderson Cancer Center , Houston, TX , USA
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17
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Rauen J, Kreer C, Paillard A, van Duikeren S, Benckhuijsen WE, Camps MG, Valentijn ARPM, Ossendorp F, Drijfhout JW, Arens R, Burgdorf S. Enhanced cross-presentation and improved CD8+ T cell responses after mannosylation of synthetic long peptides in mice. PLoS One 2014; 9:e103755. [PMID: 25137039 PMCID: PMC4138033 DOI: 10.1371/journal.pone.0103755] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 07/02/2014] [Indexed: 11/18/2022] Open
Abstract
The use of synthetic long peptides (SLP) has been proven to be a promising approach to induce adaptive immune responses in vaccination strategies. Here, we analyzed whether the efficiency to activate cytotoxic T cells by SLP-based vaccinations can be increased by conjugating SLPs to mannose residues. We could demonstrate that mannosylation of SLPs results in increased internalization by the mannose receptor (MR) on murine antigen-presenting cells. MR-mediated internalization targeted the mannosylated SLPs into early endosomes, from where they were cross-presented very efficiently compared to non-mannosylated SLPs. The influence of SLP mannosylation was specific for cross-presentation, as no influence on MHC II-restricted presentation was observed. Additionally, we showed that vaccination of mice with mannosylated SLPs containing epitopes from either ovalbumin or HPV E7 resulted in enhanced proliferation and activation of antigen-specific CD8+ T cells. These findings demonstrate that mannosylation of SLPs augments the induction of a cytotoxic T cell response in vitro and in vivo and might be a promising approach to induce cytotoxic T cell responses in e.g. cancer therapy and anti-viral immunity.
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Affiliation(s)
- Judith Rauen
- Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Christoph Kreer
- Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Arlette Paillard
- Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Suzanne van Duikeren
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Willemien E. Benckhuijsen
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Marcel G. Camps
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - A. Rob P. M. Valentijn
- Department of Bio-organic Synthesis, Leiden University Medical Center, Leiden, the Netherlands
| | - Ferry Ossendorp
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Jan W. Drijfhout
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Ramon Arens
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Sven Burgdorf
- Life and Medical Sciences Institute, University of Bonn, Bonn, Germany
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
- * E-mail:
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18
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Talebian Yazdi M, Keene KR, Hiemstra PS, van der Burg SH. Recent progress in peptide vaccination in cancer with a focus on non-small-cell lung cancer. Expert Rev Vaccines 2013; 13:87-116. [PMID: 24308580 DOI: 10.1586/14760584.2014.862499] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Active immunotherapy aimed at the stimulation of tumor-specific T cells has established itself within the clinic as a therapeutic option to treat cancer. One strategy is the use of so-called peptides that mimic genuine T-cell epitopes as vaccines to activate tumor-specific T cells. In various clinical trials, different types of vaccines, adjuvants and other immunomodulatory compounds were evaluated in patients with different types of tumors. Here, we review the trials published in the last 3 years focusing on the T-cell response, the effect of immunomodulation and potential relationships with clinical outcomes. Furthermore, we would like to make a case for the development of peptide vaccines aiming to treat non-small-cell lung cancer, the most common cause of cancer mortality.
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Affiliation(s)
- Mehrdad Talebian Yazdi
- Department of Pulmonology, Leiden University Medical Center (LUMC), Leiden, the Netherlands
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19
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Rosalia RA, Quakkelaar ED, Redeker A, Khan S, Camps M, Drijfhout JW, Silva AL, Jiskoot W, van Hall T, van Veelen PA, Janssen G, Franken K, Cruz LJ, Tromp A, Oostendorp J, van der Burg SH, Ossendorp F, Melief CJM. Dendritic cells process synthetic long peptides better than whole protein, improving antigen presentation and T-cell activation. Eur J Immunol 2013; 43:2554-65. [PMID: 23836147 DOI: 10.1002/eji.201343324] [Citation(s) in RCA: 137] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 05/26/2013] [Accepted: 07/05/2013] [Indexed: 12/19/2022]
Abstract
The efficiency of antigen (Ag) processing by dendritic cells (DCs) is vital for the strength of the ensuing T-cell responses. Previously, we and others have shown that in comparison to protein vaccines, vaccination with synthetic long peptides (SLPs) has shown more promising (pre-)clinical results. Here, we studied the unknown mechanisms underlying the observed vaccine efficacy of SLPs. We report an in vitro processing analysis of SLPs for MHC class I and class II presentation by murine DCs and human monocyte-derived DCs. Compared to protein, SLPs were rapidly and much more efficiently processed by DCs, resulting in an increased presentation to CD4⁺ and CD8⁺ T cells. The mechanism of access to MHC class I loading appeared to differ between the two forms of Ag. Whereas whole soluble protein Ag ended up largely in endolysosomes, SLPs were detected very rapidly outside the endolysosomes after internalization by DCs, followed by proteasome- and transporter associated with Ag processing-dependent MHC class I presentation. Compared to the slower processing route taken by whole protein Ags, our results indicate that the efficient internalization of SLPs, accomplished by DCs but not by B or T cells and characterized by a different and faster intracellular routing, leads to enhanced CD8⁺ T-cell activation.
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Affiliation(s)
- Rodney A Rosalia
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, The Netherlands; Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
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20
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Arens R, van Hall T, van der Burg SH, Ossendorp F, Melief CJM. Prospects of combinatorial synthetic peptide vaccine-based immunotherapy against cancer. Semin Immunol 2013; 25:182-90. [PMID: 23706598 DOI: 10.1016/j.smim.2013.04.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Revised: 04/10/2013] [Accepted: 04/19/2013] [Indexed: 01/15/2023]
Abstract
The insight that the immune system is involved in tumor resistance is gaining momentum and this has led to the development of immunotherapeutic strategies aiming at enhancement of immune-mediated tumor destruction. Although some of these strategies have moderate clinical benefit, most stand-alone therapies fail to significantly affect progressive disease and survival or do so only in a minority of patients. Research on the mechanisms underlying the generation of immune responses against tumors and the immune evasion by tumors has emphasized that various mechanisms simultaneously prevent effective immunity against cancer including inefficient presentation of tumor antigens by dendritic cells and induction of negative immune regulation by regulatory T-cells (Tregs) and myeloid derived suppressor cells (MDSCs). Thus the design of therapies that simultaneously improve effective tumor immunity and counteract immune evasion by tumors seems most desirable for clinical efficacy. As it is unlikely that a single immunotherapeutic strategy addresses all necessary requirements, combinatorial strategies that act synergistically need to be developed. Here we discuss the current knowledge and prospects of treatment with synthetic peptide vaccines that stimulate tumor-specific T-cell responses combined with adjuvants, immune modulating antibodies, cytokines and chemotherapy. We conclude that combinatorial approaches have the best potency to accomplish the most significant tumor destruction but further research is required to optimize such approaches.
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Affiliation(s)
- Ramon Arens
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands.
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21
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Ly LV, Sluijter M, van der Burg SH, Jager MJ, van Hall T. Effective cooperation of monoclonal antibody and peptide vaccine for the treatment of mouse melanoma. THE JOURNAL OF IMMUNOLOGY 2012. [PMID: 23203930 DOI: 10.4049/jimmunol.1200135] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
mAbs binding to tumor-associated surface Ags are therapeutically applied in a range of malignancies. Therapeutic vaccination only recently met with clinical success, and the first cancer vaccine received U.S. Food and Drug Administration approval last year. To improve current protocols, we combined peptide vaccines with mAb to the tyrosinase-related protein (TRP)-1 surface Ag for the treatment of B16F10 skin melanoma. Vaccine formulations with synthetic long peptides failed to elicit strong CD8 T cell responses to self-differentiation Ags gp100 and TRP-2, whereas altered peptide sequences recruited gp100-specific CD8 T cells from the endogenous repertoire with frequencies of 40%. However, these high frequencies were reached too late; large, progressively growing melanomas had already emerged. Addition of the TRP-1-directed mAb TA99 to the treatment protocol mediated eradication of s.c. lesions. The mode of action of the Ab did not depend on complement factor C3 and did not lead to improved Ag presentation and CD8 T cell immunity; rather, it recruited FcγR-bearing innate immune cells during early tumor control, thereby creating a window of time for the generation of protective cellular immunity. These data support the concept of combination therapy, in which passive transfer of mAbs is supplemented with cancer peptide vaccines. Moreover, we advocate that tumor Ag-specific T cell immunity directed against self-proteins can be exploited from the endogenous repertoire.
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Affiliation(s)
- Long V Ly
- Department of Ophthalmology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
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