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Chan KF, Duarte JDG, Ostrouska S, Behren A. γδ T Cells in the Tumor Microenvironment-Interactions With Other Immune Cells. Front Immunol 2022; 13:894315. [PMID: 35880177 PMCID: PMC9307934 DOI: 10.3389/fimmu.2022.894315] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 06/15/2022] [Indexed: 01/02/2023] Open
Abstract
A growing number of studies have shown that γδ T cells play a pivotal role in mediating the clearance of tumors and pathogen-infected cells with their potent cytotoxic, cytolytic, and unique immune-modulating functions. Unlike the more abundant αβ T cells, γδ T cells can recognize a broad range of tumors and infected cells without the requirement of antigen presentation via major histocompatibility complex (MHC) molecules. Our group has recently demonstrated parts of the mechanisms of T-cell receptor (TCR)-dependent activation of Vγ9Vδ2+ T cells by tumors following the presentation of phosphoantigens, intermediates of the mevalonate pathway. This process is mediated through the B7 immunoglobulin family-like butyrophilin 2A1 (BTN2A1) and BTN3A1 complexes. Such recognition results in activation, a robust immunosurveillance process, and elicits rapid γδ T-cell immune responses. These include targeted cell killing, and the ability to produce copious quantities of cytokines and chemokines to exert immune-modulating properties and to interact with other immune cells. This immune cell network includes αβ T cells, B cells, dendritic cells, macrophages, monocytes, natural killer cells, and neutrophils, hence heavily influencing the outcome of immune responses. This key role in orchestrating immune cells and their natural tropism for tumor microenvironment makes γδ T cells an attractive target for cancer immunotherapy. Here, we review the current understanding of these important interactions and highlight the implications of the crosstalk between γδ T cells and other immune cells in the context of anti-tumor immunity.
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Affiliation(s)
- Kok Fei Chan
- Olivia Newton-John Cancer Research Institute, and School of Cancer Medicine, La Trobe University, Heidelberg, VIC, Australia
| | - Jessica Da Gama Duarte
- Olivia Newton-John Cancer Research Institute, and School of Cancer Medicine, La Trobe University, Heidelberg, VIC, Australia
| | - Simone Ostrouska
- Olivia Newton-John Cancer Research Institute, and School of Cancer Medicine, La Trobe University, Heidelberg, VIC, Australia
| | - Andreas Behren
- Olivia Newton-John Cancer Research Institute, and School of Cancer Medicine, La Trobe University, Heidelberg, VIC, Australia
- Department of Medicine, University of Melbourne, Parkville, VIC, Australia
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Baldin AV, Zamyatnin AA, Bazhin AV, Xu WH, Savvateeva LV. Advances in the Development of Anticancer HSP-based Vaccines. Curr Med Chem 2019; 26:427-445. [PMID: 29376489 DOI: 10.2174/0929867325666180129100015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/11/2017] [Accepted: 01/01/2018] [Indexed: 01/01/2023]
Abstract
Current advances in cancer treatment are based on the recent discoveries of molecular mechanisms of tumour maintenance. It was shown that heat shock proteins (HSPs) play a crucial role in the development of immune response against tumours. Thus, HSPs represent multifunctional agents not only with chaperone functions, but also possessing immunomodulatory properties. These properties are exploited for the development of HSP-based anticancer vaccines aimed to induce cytotoxic responses against tumours. To date, a number of strategies have been suggested to facilitate HSP-based vaccine production and to increase its effectiveness. The present review focuses on the current trend for the development of HSPbased vaccines aimed at inducing strong immunological tumour-specific responses against cancer cells of distinct etiology and localization.
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Affiliation(s)
- Alexey V Baldin
- Sechenov First Moscow State Medical University, Institute of Molecular Medicine, 119991, Moscow, Russian Federation
| | - Andrey A Zamyatnin
- Sechenov First Moscow State Medical University, Institute of Molecular Medicine, 119991, Moscow, Russian Federation.,Lomonosov Moscow State University, Department of Cell Signaling, Belozersky Institute of Physico- Chemical Biology, 119991, Moscow, Russian Federation
| | - Alexandr V Bazhin
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, Germany
| | - Wan-Hai Xu
- Department of Urology, the Fourth Hospital of Harbin Medical University, Harbin, China
| | - Lyudmila V Savvateeva
- Sechenov First Moscow State Medical University, Institute of Molecular Medicine, 119991, Moscow, Russian Federation
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Isolation and characterization of NY-ESO-1-specific T cell receptors restricted on various MHC molecules. Proc Natl Acad Sci U S A 2018; 115:E10702-E10711. [PMID: 30348802 PMCID: PMC6233129 DOI: 10.1073/pnas.1810653115] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
T immune cells can be engineered to express tumor-specific T cell receptor (TCR) genes and thereby kill cancer cells. This approach—termed TCR gene therapy—is effective but can cause serious adverse events if the target is also expressed in healthy, noncancerous tissue. NY-ESO-1 is a tumor-specific antigen that has been targeted successfully and safely through TCR gene therapies for melanoma, synovial sarcoma, and myeloma. However, trials to date have focused exclusively on a single NY-ESO-1–derived epitope presented on HLA-A*02:01, limiting application to patients expressing that allele. In this work, we isolate TCRs that collectively recognize multiple NY-ESO-1–derived epitopes presented by multiple MHC alleles. We thereby outline a general approach for expanding targeted immunotherapies to more diverse MHC haplotypes. Tumor-specific T cell receptor (TCR) gene transfer enables specific and potent immune targeting of tumor antigens. Due to the prevalence of the HLA-A2 MHC class I supertype in most human populations, the majority of TCR gene therapy trials targeting public antigens have employed HLA-A2–restricted TCRs, limiting this approach to those patients expressing this allele. For these patients, TCR gene therapy trials have resulted in both tantalizing successes and lethal adverse events, underscoring the need for careful selection of antigenic targets. Broad and safe application of public antigen-targeted TCR gene therapies will require (i) selecting public antigens that are highly tumor-specific and (ii) targeting multiple epitopes derived from these antigens by obtaining an assortment of TCRs restricted by multiple common MHC alleles. The canonical cancer-testis antigen, NY-ESO-1, is not expressed in normal tissues but is aberrantly expressed across a broad array of cancer types. It has also been targeted with A2-restricted TCR gene therapy without adverse events or notable side effects. To enable the targeting of NY-ESO-1 in a broader array of HLA haplotypes, we isolated TCRs specific for NY-ESO-1 epitopes presented by four MHC molecules: HLA-A2, -B07, -B18, and -C03. Using these TCRs, we pilot an approach to extend TCR gene therapies targeting NY-ESO-1 to patient populations beyond those expressing HLA-A2.
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Gravett AM, Trautwein N, Stevanović S, Dalgleish AG, Copier J. Gemcitabine alters the proteasome composition and immunopeptidome of tumour cells. Oncoimmunology 2018; 7:e1438107. [PMID: 29930882 PMCID: PMC5990974 DOI: 10.1080/2162402x.2018.1438107] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/30/2018] [Accepted: 02/02/2018] [Indexed: 01/05/2023] Open
Abstract
The antigenic makeup of tumour cells can have a profound effect on the progression of cancer and success of immunotherapies. Therefore, one strategy to improve the efficacy of cancer treatments is to augment the antigens displayed by tumours. The present study explores how the recognition of tumour cells may be altered by non-cytotoxic concentrations of gemcitabine (GEM). Testing a panel of chemotherapeutics in human cancer cell lines in vitro, it was found that GEM increased surface expression of HLA-A,B,C and that underlying this were specific increases in β-2-microglobulin and immunoproteasome subunit proteins. Furthermore, the peptide antigen repertoire displayed on HLA class I was altered, revealing a number of novel antigens, many of which that were derived from proteins involved in the DNA-damage response. Changes in the nature of the peptide antigens eluted from HLA-A,B,C after GEM treatment consisted of amino acid anchor-residue modifications and changes in peptide length which rendered peptides likely to favour alternative HLA-alleles and increased their predicted immunogenicity. Signalling through the MAPK/ERK and NFκB/RelB pathways was associated with these changes. These data may explain observations made in previous in vivo studies, advise as to which antigens should be used in future vaccination protocols and reinforce the idea that chemotherapy and immunotherapy could be used in combination.
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Affiliation(s)
- A M Gravett
- Institute for infection and immunity, St George's, University of London, London, UK
| | - N Trautwein
- Department of Immunology, Institute of Cell Biology, University of Tübingen, Tübingen, Germany
| | - S Stevanović
- Department of Immunology, Institute of Cell Biology, University of Tübingen, Tübingen, Germany
| | - A G Dalgleish
- Institute for infection and immunity, St George's, University of London, London, UK
| | - J Copier
- Institute for infection and immunity, St George's, University of London, London, UK
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Xue W, Metheringham RL, Brentville VA, Gunn B, Symonds P, Yagita H, Ramage JM, Durrant LG. SCIB2, an antibody DNA vaccine encoding NY-ESO-1 epitopes, induces potent antitumor immunity which is further enhanced by checkpoint blockade. Oncoimmunology 2016; 5:e1169353. [PMID: 27471648 PMCID: PMC4938367 DOI: 10.1080/2162402x.2016.1169353] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 03/07/2016] [Accepted: 03/17/2016] [Indexed: 01/11/2023] Open
Abstract
Checkpoint blockade has demonstrated promising antitumor responses in approximately 10-40% of patients. However, the majority of patients do not make a productive immune response to their tumors and do not respond to checkpoint blockade. These patients may benefit from an effective vaccine that stimulates high-avidity T cell responses in combination with checkpoint blockade. We have previously shown that incorporating TRP-2 and gp100 epitopes into the CDR regions of a human IgG1 DNA (ImmunoBody®: IB) results in significant tumor regression both in animal models and patients. This vaccination strategy is superior to others as it targets antigen to antigen-presenting cells and stimulates high-avidity T cell responses. To broaden the application of this vaccination strategy, 16 NY-ESO-1 epitopes, covering over 80% of HLA phenotypes, were incorporated into the IB (SCIB2). They produced higher frequency and avidity T cell responses than peptide vaccination. These T cells were of sufficient avidity to kill NY-ESO-1-expressing tumor cells, and in vivo controlled the growth of established B16-NY-ESO-1 tumors, resulting in long-term survival (35%). When SCIB2 was given in combination with Treg depletion, CTLA-4 blockade or PD-1 blockade, long-term survival from established tumors was significantly enhanced to 56, 67 and 100%, respectively. Translating these responses into the clinic by using a combination of SCIB2 vaccination and checkpoint blockade can only further improve clinical responses.
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Affiliation(s)
- Wei Xue
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Rachael L Metheringham
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Victoria A Brentville
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Barbara Gunn
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Peter Symonds
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Hideo Yagita
- Department of Immunology, Juntendo University School of Medicine , Tokyo, Japan
| | - Judith M Ramage
- Academic Department of Clinical Oncology, Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, City Hospital Campus , Nottingham, UK
| | - Lindy G Durrant
- Scancell Limited, Academic Department of Clinical Oncology, University of Nottingham, City Hospital Campus, Nottingham, UK; Academic Department of Clinical Oncology, Division of Cancer and Stem Cells, School of Medicine, University of Nottingham, City Hospital Campus, Nottingham, UK
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Behren A, Anaka M, Lo PH, Vella LJ, Davis ID, Catimel J, Cardwell T, Gedye C, Hudson C, Stan R, Cebon J. The Ludwig institute for cancer research Melbourne melanoma cell line panel. Pigment Cell Melanoma Res 2013; 26:597-600. [PMID: 23527996 DOI: 10.1111/pcmr.12097] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andreas Behren
- Ludwig Institute for Cancer Research, Austin Hospital Level 5, Olivia Newton-John Cancer & Wellness Centre, Heidelberg, Vic., Australia
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