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Li W, Zhao X, Ren C, Gao S, Han Q, Lu M, Li X. The therapeutic role of γδT cells in TNBC. Front Immunol 2024; 15:1420107. [PMID: 38933280 PMCID: PMC11199784 DOI: 10.3389/fimmu.2024.1420107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Triple-negative breast cancer (TNBC) is a subtype of breast cancer that presents significant therapeutic challenges due to the absence of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) expression. As a result, conventional hormonal and targeted therapies are largely ineffective, underscoring the urgent need for novel treatment strategies. γδT cells, known for their robust anti-tumor properties, show considerable potential in TNBC treatment as they can identify and eliminate tumor cells without reliance on MHC restrictions. These cells demonstrate extensive proliferation both in vitro and in vivo, and can directly target tumors through cytotoxic effects or indirectly by promoting other immune responses. Studies suggest that expansion and adoptive transfer strategies targeting Vδ2 and Vδ1 γδT cell subtypes have shown promise in preclinical TNBC models. This review compiles and discusses the existing literature on the primary subgroups of γδT cells, their roles in cancer therapy, their contributions to tumor cell cytotoxicity and immune modulation, and proposes potential strategies for future γδT cell-based immunotherapies in TNBC.
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Affiliation(s)
- Wenjing Li
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
| | - Xian Zhao
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
| | - Chuanxin Ren
- Department of The First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Shang Gao
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
| | - Qinyu Han
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
| | - Min Lu
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
| | - Xiangqi Li
- Department of Breast Center, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, Shandong, China
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Chan S, Morgan B, Yong MK, Margetts M, Farchione AJ, Lucas EC, Godsell J, Giang NA, Slade CA, von Borstel A, Bryant VL, Howson LJ. Cytomegalovirus drives Vδ1 + γδ T cell expansion and clonality in common variable immunodeficiency. Nat Commun 2024; 15:4286. [PMID: 38769332 PMCID: PMC11106253 DOI: 10.1038/s41467-024-48527-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 05/02/2024] [Indexed: 05/22/2024] Open
Abstract
The function and phenotype of γδ T cells in the context of common variable immunodeficiency (CVID) has not been explored. CVID is a primary immunodeficiency disorder characterized by impaired antibody responses resulting in increased susceptibility to infections. γδ T cells are a subset of unconventional T cells that play crucial roles in host defence against infections. In this study, we aim to determine the roles and functions of γδ T cells in CVID. We observe a higher frequency of Vδ1+ γδ T cells compared to healthy controls, particularly in older patients. We also find a higher proportion of effector-memory Vδ1+ γδ T cells and a more clonal T cell receptor (TCR) repertoire in CVID. The most significant driver of the Vδ1+ γδ T cell expansion and phenotype in CVID patients is persistent cytomegalovirus (CMV) viremia. These findings provide valuable insights into γδ T cell biology and their contribution to immune defence in CVID.
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Affiliation(s)
- Samantha Chan
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
- Department of Clinical Immunology & Allergy, Royal Melbourne Hospital, Melbourne, VIC, Australia
- Department of Medicine, The University of Melbourne, Melbourne, VIC, Australia
| | - Benjamin Morgan
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Michelle K Yong
- Victorian Infectious Diseases Service, Royal Melbourne Hospital, Melbourne, VIC, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC, Australia
- National Centre for Infections in Cancer, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | - Mai Margetts
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Anthony J Farchione
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
| | - Erin C Lucas
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Jack Godsell
- Department of Clinical Immunology & Allergy, Royal Melbourne Hospital, Melbourne, VIC, Australia
- Department of Infectious Diseases, Austin Hospital, Heidelberg, VIC, Australia
| | - Nhi Ai Giang
- Department of Clinical Immunology & Allergy, Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Charlotte A Slade
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
- Department of Clinical Immunology & Allergy, Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Anouk von Borstel
- Infection and Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
- Department of Immunology, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Vanessa L Bryant
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia
- Department of Clinical Immunology & Allergy, Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Lauren J Howson
- Immunology Division, Walter & Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.
- Department of Medical Biology, The University of Melbourne, Melbourne, VIC, Australia.
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Tyler CJ, Hoti I, Griffiths DD, Cuff SM, Andrews R, Keisker M, Ahmed R, Hansen HP, Lindsay JO, Stagg AJ, Moser B, McCarthy NE, Eberl M. IL-21 conditions antigen-presenting human γδ T-cells to promote IL-10 expression in naïve and memory CD4 + T-cells. DISCOVERY IMMUNOLOGY 2024; 3:kyae008. [PMID: 38903247 PMCID: PMC11187773 DOI: 10.1093/discim/kyae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 03/30/2024] [Accepted: 05/09/2024] [Indexed: 06/22/2024]
Abstract
Direct interaction between T-cells exerts a major influence on tissue immunity and inflammation across multiple body sites including the human gut, which is highly enriched in 'unconventional' lymphocytes such as γδ T-cells. We previously reported that microbial activation of human Vγ9/Vδ2+ γδ T-cells in the presence of the mucosal damage-associated cytokine IL-15 confers the ability to promote epithelial barrier defence, specifically via induction of IL-22 expression in conventional CD4+ T-cells. In the current report, we assessed whether other cytokines enriched in the gut milieu also functionally influence microbe-responsive Vγ9/Vδ2 T-cells. When cultured in the presence of IL-21, Vγ9/Vδ2 T-cells acquired the ability to induce expression of the immunoregulatory cytokine IL-10 in both naïve and memory CD4+ T-cells, at levels surpassing those induced by monocytes or monocyte-derived DCs. These findings identify an unexpected influence of IL-21 on Vγ9/Vδ2 T-cell modulation of CD4+ T-cell responses. Further analyses suggested a possible role for CD30L and/or CD40L reverse signalling in mediating IL-10 induction by IL-21 conditioned Vγ9/Vδ2 T-cells. Our findings indicate that the local microenvironment exerts a profound influence on Vγ9/Vδ2 T-cell responses to microbial challenge, leading to induction of distinct functional profiles among CD4+ T-cells that may influence inflammatory events at mucosal surfaces. Targeting these novel pathways may offer therapeutic benefit in disorders such as inflammatory bowel disease.
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Affiliation(s)
- Christopher J Tyler
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Inva Hoti
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Daniel D Griffiths
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Simone M Cuff
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Robert Andrews
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
| | - Maximilian Keisker
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Raya Ahmed
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Hinrich P Hansen
- Department of Internal Medicine I, University of Cologne, Cologne, Germany
| | - James O Lindsay
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Department of Gastroenterology, The Royal London Hospital, Barts Health NHS Trust, London, UK
| | - Andrew J Stagg
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Bernhard Moser
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
| | - Neil E McCarthy
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Matthias Eberl
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
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Xu L, Chen F, Fan W, Saito S, Cao D. The role of γδT lymphocytes in atherosclerosis. Front Immunol 2024; 15:1369202. [PMID: 38774876 PMCID: PMC11106432 DOI: 10.3389/fimmu.2024.1369202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 04/18/2024] [Indexed: 05/24/2024] Open
Abstract
Atherosclerosis poses a significant threat to human health, impacting overall well-being and imposing substantial financial burdens. Current treatment strategies mainly focus on managing low-density lipids (LDL) and optimizing liver functions. However, it's crucial to recognize that Atherosclerosis involves more than just lipid accumulation; it entails a complex interplay of immune responses. Research highlights the pivotal role of lipid-laden macrophages in the formation of atherosclerotic plaques. These macrophages attract lymphocytes like CD4 and CD8 to the inflamed site, potentially intensifying the inflammatory response. γδ T lymphocytes, with their diverse functions in innate and adaptive immune responses, pathogen defense, antigen presentation, and inflammation regulation, have been implicated in the early stages of Atherosclerosis. However, our understanding of the roles of γδ T cells in Atherosclerosis remains limited. This mini-review aims to shed light on the characteristics and functions of γδ T cells in Atherosclerosis. By gaining insights into the roles of γδ T cells, we may uncover a promising strategy to mitigate plaque buildup and dampen the inflammatory response, thereby opening new avenues for effectively managing this condition.
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Affiliation(s)
- LiMin Xu
- Department of Neurosurgery, Shenzhen Entry-Exit Frontier Inspection Hospital, Shenzhen, China
| | - Fanfan Chen
- Department of Neurosurgery, Shenzhen Key Laboratory of Neurosurgery, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, China
| | - Wei Fan
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Suguru Saito
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - DuoYao Cao
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, United States
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Yan W, Dunmall LSC, Lemoine NR, Wang Y, Wang Y, Wang P. The capability of heterogeneous γδ T cells in cancer treatment. Front Immunol 2023; 14:1285801. [PMID: 38077392 PMCID: PMC10704246 DOI: 10.3389/fimmu.2023.1285801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
γδ T cells, a specialized subset of T lymphocytes, have garnered significant attention within the realm of cancer immunotherapy. Operating at the nexus between adaptive and innate immunological paradigms, these cells showcase a profound tumor discernment repertoire, hinting at novel immunotherapeutic strategies. Significantly, these cells possess the capability to directly identify and eliminate tumor cells without reliance on HLA-antigen presentation. Furthermore, γδ T cells have the faculty to present tumor antigens to αβ T cells, amplifying their anti-tumoral efficacy.Within the diverse and heterogeneous subpopulations of γδ T cells, distinct immune functionalities emerge, manifesting either anti-tumor or pro-tumor roles within the tumor microenvironment. Grasping and strategically harnessing these heterogeneous γδ T cell cohorts is pivotal to their integration in tumor-specific immunotherapeutic modalities. The aim of this review is to describe the heterogeneity of the γδ T cell lineage and the functional plasticity it generates in the treatment of malignant tumors. This review endeavors to elucidate the intricate heterogeneity inherent to the γδ T cell lineage, the consequential functional dynamics in combating malignancies, the latest advancements from clinical trials, and the evolving landscape of γδ T cell-based oncological interventions, while addressing the challenges impeding the field.
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Affiliation(s)
- Wenyi Yan
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, State Key Laboratory of Esophageal Cancer Prevention & Treatment, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Louisa S. Chard Dunmall
- Centre for Biomarkers & Biotherapeutics, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Nicholas R. Lemoine
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, State Key Laboratory of Esophageal Cancer Prevention & Treatment, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Centre for Biomarkers & Biotherapeutics, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Yaohe Wang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, State Key Laboratory of Esophageal Cancer Prevention & Treatment, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Centre for Biomarkers & Biotherapeutics, Barts Cancer Institute, Queen Mary University of London, London, United Kingdom
| | - Yafeng Wang
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Pengju Wang
- Sino-British Research Centre for Molecular Oncology, National Centre for International Research in Cell and Gene Therapy, State Key Laboratory of Esophageal Cancer Prevention & Treatment, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
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Choi H, Kim TG, Jeun SS, Ahn S. Human gamma-delta (γδ) T cell therapy for glioblastoma: A novel alternative to overcome challenges of adoptive immune cell therapy. Cancer Lett 2023; 571:216335. [PMID: 37544475 DOI: 10.1016/j.canlet.2023.216335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/01/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Glioblastoma is the most common brain malignancy with devastating prognosis. Numerous clinical trials using various target therapeutic agents have failed and recent clinical trials using check point inhibitors also failed to provide survival benefits for glioblastoma patients. Adoptive T cell transfer is suggested as a novel therapeutic approach that has exhibited promise in preliminary clinical studies. However, the clinical outcomes are inconsistent, and there are several limitations of current adoptive T cell transfer strategies for glioblastoma treatment. As an alternative cell therapy, gamma-delta (γδ) T cells have been recently introduced for several cancers including glioblastoma. Since the leading role of γδ T cells is immune surveillance by recognizing a broad range of ligands including stress molecules, phosphoantigens, or lipid antigens, recent studies have suggested the potential benefits of γδ T cell transfer against glioblastomas. However, γδ T cells, as a small subset (1-5%) of T cells in human peripheral blood, are relatively unknown compared to conventional alpha-beta (αβ) T cells. In this context, our study introduced γδ T cells as an alternative and novel option to overcome several challenges regarding immune cell therapy in glioblastoma treatment. We described the unique characteristics and advantages of γδ T cells compared to conventional αβ T cells and summarize several recent preclinical studies using human gamma-delta T cell therapy for glioblastomas. Finally, we suggested future direction of human γδ T cell therapy for glioblastomas.
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Affiliation(s)
- Haeyoun Choi
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Rebpulic of Korea; Catholic Hematopoietic Stem Cell Bank, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Tai-Gyu Kim
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Rebpulic of Korea; Catholic Hematopoietic Stem Cell Bank, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Sin-Soo Jeun
- Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Stephen Ahn
- Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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Abstract
Current cancer immunotherapies are primarily predicated on αβ T cells, with a stringent dependence on MHC-mediated presentation of tumour-enriched peptides or unique neoantigens that can limit their efficacy and applicability in various contexts. After two decades of preclinical research and preliminary clinical studies involving very small numbers of patients, γδ T cells are now being explored as a viable and promising approach for cancer immunotherapy. The unique features of γδ T cells, including their tissue tropisms, antitumour activity that is independent of neoantigen burden and conventional MHC-dependent antigen presentation, and combination of typical properties of T cells and natural killer cells, make them very appealing effectors in multiple cancer settings. Herein, we review the main functions of γδ T cells in antitumour immunity, focusing on human γδ T cell subsets, with a particular emphasis on the differences between Vδ1+ and Vδ2+ γδ T cells, to discuss their prognostic value in patients with cancer and the key therapeutic strategies that are being developed in an attempt to improve the outcomes of these patients.
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Qiu L, Zhang Y, Zeng X. The function of γδ T cells in humoral immune responses. Inflamm Res 2023; 72:747-755. [PMID: 36799949 DOI: 10.1007/s00011-023-01704-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/04/2023] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
PURPOSE The purpose of this review is to discuss the role of γδ T cells played in humoral immune responses. BACKGROUND The γδ T cell receptor (γδ TCR) recognizes antigens, including haptens and proteins, in an MHC-independent manner. The recognition of these antigens by γδ TCRs crosses antigen recognition by the B cell receptors (BCRs), suggesting that γδ T cells may be involved in the process of antigen recognition and activation of B cells. However, the role of γδ T cells in humoral immune responses is still less clear. METHODS The kinds of literature about the γδ T cell-B cell interaction were searched on PubMed with search terms, such as γδ T cells, antibody, B cell responses, antigen recognition, and infection. RESULTS Accumulating evidence indicates that γδ T cells, independent of αβ T cells, participate in multiple steps of humoral immunity, including B cell maturation, activation and differentiation, antibody production and class switching. Mechanically, γδ T cells affect B cell function by directly interacting with B cells, secreting cytokines, or modulating αβ T cells. CONCLUSION In this review, we summarize current knowledge on how γδ T cells take part in the humoral immune response, which may assist future vaccine design.
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Affiliation(s)
- Lingfeng Qiu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yixi Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xun Zeng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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Human γδ T cells induce CD8 + T cell antitumor responses via antigen-presenting effect through HSP90-MyD88-mediated activation of JNK. Cancer Immunol Immunother 2023; 72:1803-1821. [PMID: 36680568 DOI: 10.1007/s00262-023-03375-w] [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: 08/01/2022] [Accepted: 01/09/2023] [Indexed: 01/22/2023]
Abstract
Human Vγ9Vδ2 T cells have attracted considerable attention as novel alternative antigen-presenting cells (APCs) with the potential to replace dendritic cells in antitumor immunotherapy owing to their high proliferative capacity and low cost. However, the utility of γδ T cells as APCs to induce CD8+ T cell-mediated antitumor immune response, as well as the mechanism by which they perform APC functions, remains unexplored. In this study, we found that activated Vγ9Vδ2 T cells were capable of inducing robust CD8+ T cell responses in osteosarcoma cells. Activated γδ T cells also effectively suppressed osteosarcoma growth by priming CD8+ T cells in xenograft animal models. Mechanistically, we further revealed that activated γδ T cells exhibited increased HSP90 production, which fed back to upregulate MyD88, followed by JNK activation and a subsequent improvement in CCL5 secretion, leading to enhanced CD8+ T cell cross-priming. Thus, our study suggests that Vγ9Vδ2 T cells represent a promising alternative APC for the development of γδ T cell-based tumor immunotherapy.
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Giannotta C, Autino F, Massaia M. Vγ9Vδ2 T-cell immunotherapy in blood cancers: ready for prime time? Front Immunol 2023; 14:1167443. [PMID: 37143664 PMCID: PMC10153673 DOI: 10.3389/fimmu.2023.1167443] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 03/31/2023] [Indexed: 05/06/2023] Open
Abstract
In the last years, the tumor microenvironment (TME) has emerged as a promising target for therapeutic interventions in cancer. Cancer cells are highly dependent on the TME to growth and evade the immune system. Three major cell subpopulations are facing each other in the TME: cancer cells, immune suppressor cells, and immune effector cells. These interactions are influenced by the tumor stroma which is composed of extracellular matrix, bystander cells, cytokines, and soluble factors. The TME can be very different depending on the tissue where cancer arises as in solid tumors vs blood cancers. Several studies have shown correlations between the clinical outcome and specific patterns of TME immune cell infiltration. In the recent years, a growing body of evidence suggests that unconventional T cells like natural killer T (NKT) cells, mucosal-associated invariant T (MAIT) cells, and γδ T cells are key players in the protumor or antitumor TME commitment in solid tumors and blood cancers. In this review, we will focus on γδ T cells, especially Vγ9Vδ2 T cells, to discuss their peculiarities, pros, and cons as potential targets of therapeutic interventions in blood cancers.
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Affiliation(s)
- Claudia Giannotta
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze per la Salute, Università Degli Studi di Torino, Torino, Italy
| | - Federica Autino
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze per la Salute, Università Degli Studi di Torino, Torino, Italy
| | - Massimo Massaia
- Laboratorio di Immunologia dei Tumori del Sangue (LITS), Centro Interdipartimentale di Biotecnologie Molecolari “Guido Tarone”, Dipartimento di Biotecnologie Molecolari e Scienze per la Salute, Università Degli Studi di Torino, Torino, Italy
- Struttura Complessa (SC) Ematologia, Azienda Ospedaliera (AO) S. Croce e Carle, Cuneo, Italy
- *Correspondence: Massimo Massaia,
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Hackstein CP, Klenerman P. Emerging features of MAIT cells and other unconventional T cell populations in human viral disease and vaccination. Semin Immunol 2022; 61-64:101661. [PMID: 36374780 PMCID: PMC10933818 DOI: 10.1016/j.smim.2022.101661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 12/14/2022]
Abstract
MAIT cells are one representative of a group of related unconventional or pre-set T cells, and are particularly abundant in humans. While these unconventional T cell types, which also include populations of Vδ2 cells and iNKT cells, recognise quite distinct ligands, they share functional features including the ability to sense "danger" by integration of cytokine signals. Since such signals are common to many human pathologies, activation of MAIT cells in particular has been widely observed. In this review we will discuss recent trends in these data, for example the findings from patients with Covid-19 and responses to novel vaccines. Covid-19 is an example where MAIT cell activation has been correlated with disease severity by several groups, and the pathways leading to activation are being clarified, but the overall role of the cells in vivo requires further exploration. Given the potential wide functional responsiveness of these cells, which ranges from tissue repair to cytotoxicity, and likely impacts on the activity of many other cell populations, defining the role of these cells - not only as sensitive biomarkers but also as mediators - across human disease remains an important task.
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Affiliation(s)
- Carl-Philipp Hackstein
- Peter Medawar Building for Pathogen Research, Nuffield Dept of Medicine, University of Oxford, Oxford OX1 3SY, UK; Translational Gastroenterology Unit, Nuffield Dept of Medicine, John Radcliffe Hospital, Oxford OX3 9DU, UK
| | - Paul Klenerman
- Peter Medawar Building for Pathogen Research, Nuffield Dept of Medicine, University of Oxford, Oxford OX1 3SY, UK; Translational Gastroenterology Unit, Nuffield Dept of Medicine, John Radcliffe Hospital, Oxford OX3 9DU, UK.
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12
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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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13
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Nezhad Shamohammadi F, Yazdanifar M, Oraei M, Kazemi MH, Roohi A, Mahya Shariat Razavi S, Rezaei F, Parvizpour F, Karamlou Y, Namdari H. Controversial role of γδ T cells in pancreatic cancer. Int Immunopharmacol 2022; 108:108895. [PMID: 35729831 DOI: 10.1016/j.intimp.2022.108895] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/12/2022] [Accepted: 05/23/2022] [Indexed: 12/26/2022]
Abstract
γδ T cells are rare lymphocytes with cogent impact on immune responses. These cells are one of the earliest cells to be recruited in the sites of infection or tumors and play a critical role in coordinating innate and adaptive immune responses. The anti-tumor activity of γδ T cells have been numerously reported; nonetheless, there is controversy among published studies regarding their anti-tumor vs pro-tumor effect- especially in pancreatic cancer. A myriad of studies has confirmed that activated γδ T cells can potently lyse a broad variety of solid tumors and leukemia/lymphoma cells and produce an array of cytokines; however, early γδ T cell-based clinical trials did not lead to optimal efficacy, despite acceptable safety. Depending on the local micromilieu, γδ T cells can differentiate into tumor promoting or suppressing cells such as Th1-, Th2-, or Th17-like cells and produce prototypical cytokines such as interferon-γ (IFNγ) and interleukin (IL)-4/-10, IL-9, or IL-17. In an abstruse tumor such as pancreatic cancer- also known as immunologically cold tumor- γδ T cells are more likely to switch to their immunosuppressive phenotype. In this review we will adduce the accumulated knowledge on these two controversial aspects of γδ T cells in cancers- with a focus on solid tumors and pancreatic cancer. In addition, we propose strategies for enhancing the anti-tumor function of γδ T cells in cancers and discuss the potential future directions.
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Affiliation(s)
| | - Mahboubeh Yazdanifar
- Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Mona Oraei
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad H Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Roohi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Farhad Rezaei
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzad Parvizpour
- Iranian Tissue Bank and Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Yalda Karamlou
- Iranian Tissue Bank and Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Haideh Namdari
- Iranian Tissue Bank and Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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14
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Song Y, Liu Y, Teo HY, Liu H. Targeting Cytokine Signals to Enhance γδT Cell-Based Cancer Immunotherapy. Front Immunol 2022; 13:914839. [PMID: 35747139 PMCID: PMC9210953 DOI: 10.3389/fimmu.2022.914839] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/09/2022] [Indexed: 12/28/2022] Open
Abstract
γδT cells represent a small percentage of T cells in circulation but are found in large numbers in certain organs. They are considered to be innate immune cells that can exert cytotoxic functions on target cells without MHC restriction. Moreover, γδT cells contribute to adaptive immune response via regulating other immune cells. Under the influence of cytokines, γδT cells can be polarized to different subsets in the tumor microenvironment. In this review, we aimed to summarize the current understanding of antigen recognition by γδT cells, and the immune regulation mediated by γδT cells in the tumor microenvironment. More importantly, we depicted the polarization and plasticity of γδT cells in the presence of different cytokines and their combinations, which provided the basis for γδT cell-based cancer immunotherapy targeting cytokine signals.
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Affiliation(s)
- Yuan Song
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yonghao Liu
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Huey Yee Teo
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Haiyan Liu
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
- Immunology Translational Research Program and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- *Correspondence: Haiyan Liu,
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15
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Advantages and Challenges of Differential Immune Cell Count Determination in Blood and Milk for Monitoring the Health and Well-Being of Dairy Cows. Vet Sci 2022; 9:vetsci9060255. [PMID: 35737307 PMCID: PMC9229168 DOI: 10.3390/vetsci9060255] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/07/2022] [Accepted: 05/24/2022] [Indexed: 02/05/2023] Open
Abstract
A key challenge of the 21st century will be to provide the growing world population with a sustainable and secure supply of food. Consequently, the dairy farming’s primary task is to lower milk losses and other inefficiencies associated with diseased cows. Moreover, a shift from curative to preventive health management would be desirable for mastitis and a wide variety of other infectious and non-infectious cattle diseases, some of which are known to have profound negative effects on the performance and well-being of cows. Differential cell counting (DCC), a procedure that aims to determine the proportions of different somatic cell types in raw milk samples, has not only the potential to optimize mastitis diagnostics, but it could furthermore serve as a diagnostic tool for monitoring the general and overall health status of dairy cows. Based on a broad search of the literature, the practical utility of various types of DCC is summarized and discussed in this review. Since it might be of advantage to interpret DCC with the aid of data from studies in humans, differences between the immune systems of humans and dairy cattle, with a special focus on surface marker expression profiles and γδ (gamma delta) T-cell characteristics, are also described.
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16
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Wu KS, Jian TY, Sung SY, Hsieh CL, Huang MH, Fang CL, Wong TT, Lin YL. Enrichment of Tumor-Infiltrating B Cells in Group 4 Medulloblastoma in Children. Int J Mol Sci 2022; 23:ijms23095287. [PMID: 35563678 PMCID: PMC9101625 DOI: 10.3390/ijms23095287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 12/21/2022] Open
Abstract
Medulloblastoma (MB) is the most common malignant brain tumor in children. It is classified into core molecular subgroups (wingless activated (WNT), sonic hedgehog activated (SHH), Group 3 (G3), and Group 4 (G4)). In this study, we analyzed the tumor-infiltrating immune cells and cytokine profiles of 70 MB patients in Taiwan using transcriptome data. In parallel, immune cell composition in tumors from the SickKids cohort dataset was also analyzed to confirm the findings. The clinical cohort data showed the WNT and G4 MB patients had lower recurrence rates and better 5-year relapse-free survival (RFP) compared with the SHH and G3 MB patients, among the four subgroups of MB. We found tumor-infiltrating B cells (TIL-Bs) enriched in the G4 subgroups in the Taiwanese MB patients and the SickKids cohort dataset. In the G4 subgroups, the patients with a high level of TIL-Bs had better 5-year overall survival. Mast cells presented in G4 MB tumors were positively correlated with TIL-Bs. Higher levels of CXCL13, IL-36γ, and CCL27 were found compared to other subgroups or normal brains. These three cytokines, B cells and mast cells contributed to the unique immune microenvironment in G4 MB tumors. Therefore, B-cell enrichment is a G4-subgroup-specific immune signature and the presence of B cells may be an indicator of a better prognosis in G4 MB patients.
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Affiliation(s)
- Kuo-Sheng Wu
- Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan; (K.-S.W.); (S.-Y.S.)
| | - Ting-Yan Jian
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan;
| | - Shian-Ying Sung
- Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan; (K.-S.W.); (S.-Y.S.)
- International Ph.D. Program for Translational Science, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan;
- TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
- Office of Human Research, Taipei Medical University, Taipei 110, Taiwan
- TMU-Research Center of Urology and Kidney, Taipei Medical University, Taipei 110, Taiwan
| | - Chia-Ling Hsieh
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan;
- Laboratory of Translational Medicine, Development Center for Biotechnology, Taipei 115, Taiwan
| | - Man-Hsu Huang
- Department of Pathology, Shuang-Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan;
| | - Chia-Lang Fang
- Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
- Department of Pathology, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan
| | - Tai-Tong Wong
- Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan; (K.-S.W.); (S.-Y.S.)
- Pediatric Brain Tumor Program, Taipei Cancer Center, Taipei Medical University, Taipei 110, Taiwan
- Neuroscience Research Center, Taipei Medical University Hospital, Taipei 110, Taiwan
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Taipei Neuroscience Institute, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan
- Correspondence: (T.-T.W.); (Y.-L.L.)
| | - Yu-Ling Lin
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan;
- Correspondence: (T.-T.W.); (Y.-L.L.)
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17
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Folate Receptor-Alpha Targeted 7x19 CAR-γδT Suppressed Triple-Negative Breast Cancer Xenograft Model in Mice. JOURNAL OF ONCOLOGY 2022; 2022:2112898. [PMID: 35295709 PMCID: PMC8920629 DOI: 10.1155/2022/2112898] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/27/2021] [Accepted: 01/10/2022] [Indexed: 12/27/2022]
Abstract
Background Triple-negative breast cancer (TNBC) is the worst prognosis subtype of breast cancer due to lack of specific targets. Recent studies have shown that immunotherapy may solve that problem by targeting folate receptor-alpha (FRα). Methods Gene modified γδ T cells were manufactured to express FRa specific chimeric antigen receptor (FRa CAR) and secrete interleukin-7 (IL-7) and chemokine C–C motif ligand 19 (CCL19). CAR-γδT cells that secrete IL-7 and CCL19 (7 × 19 CAR-γδT) were evaluated for their antitumor activity both in vitro and in vivo. Results 7 × 19 CAR-γδT showed remarkable antitumor activity in vitro. Combined with PBMC, 7 × 19 CAR-γδT inhibited TNBC xenograft model growth superiorly compared with single-application or conventional CAR-γδT cells. Histopathological analyses showed increased DC or T cells infiltration to tumor tissues. Conclusion Taken together, our results showed that 7 × 19 CAR-γδT have remarkable anti-TNBC tumor activity and showed a broad application prospect in the treatment of incurable TNBC patients.
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18
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Jensen O, Trivedi S, Meier JD, Fairfax KC, Hale JS, Leung DT. A subset of follicular helper-like MAIT cells can provide B cell help and support antibody production in the mucosa. Sci Immunol 2022; 7:eabe8931. [PMID: 35030034 DOI: 10.1126/sciimmunol.abe8931] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Owen Jensen
- Division of Infectious Diseases, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA.,Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT ,USA
| | - Shubhanshi Trivedi
- Division of Infectious Diseases, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Jeremy D Meier
- Division of Otolaryngology-Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA.,Primary Children's Hospital, Salt Lake City, UT, USA
| | - Keke C Fairfax
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT ,USA
| | - J Scott Hale
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT ,USA
| | - Daniel T Leung
- Division of Infectious Diseases, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA.,Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT ,USA
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19
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Schönefeldt S, Wais T, Herling M, Mustjoki S, Bekiaris V, Moriggl R, Neubauer HA. The Diverse Roles of γδ T Cells in Cancer: From Rapid Immunity to Aggressive Lymphoma. Cancers (Basel) 2021; 13:6212. [PMID: 34944832 PMCID: PMC8699114 DOI: 10.3390/cancers13246212] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 12/13/2022] Open
Abstract
γδ T cells are unique players in shaping immune responses, lying at the intersection between innate and adaptive immunity. Unlike conventional αβ T cells, γδ T cells largely populate non-lymphoid peripheral tissues, demonstrating tissue specificity, and they respond to ligands in an MHC-independent manner. γδ T cells display rapid activation and effector functions, with a capacity for cytotoxic anti-tumour responses and production of inflammatory cytokines such as IFN-γ or IL-17. Their rapid cytotoxic nature makes them attractive cells for use in anti-cancer immunotherapies. However, upon transformation, γδ T cells can give rise to highly aggressive lymphomas. These rare malignancies often display poor patient survival, and no curative therapies exist. In this review, we discuss the diverse roles of γδ T cells in immune surveillance and response, with a particular focus on cancer immunity. We summarise the intriguing dichotomy between pro- and anti-tumour functions of γδ T cells in solid and haematological cancers, highlighting the key subsets involved. Finally, we discuss potential drivers of γδ T-cell transformation, summarising the main γδ T-cell lymphoma/leukaemia entities, their clinical features, recent advances in mapping their molecular and genomic landscapes, current treatment strategies and potential future targeting options.
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Affiliation(s)
- Susann Schönefeldt
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Tamara Wais
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Marco Herling
- Department of Hematology, Cellular Therapy and Hemostaseology, University of Leipzig, 04103 Leipzig, Germany;
| | - Satu Mustjoki
- Hematology Research Unit Helsinki, Helsinki University Hospital Comprehensive Cancer Center, 00290 Helsinki, Finland;
- iCAN Digital Precision Cancer Medicine Flagship, 00014 Helsinki, Finland
- Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, 00014 Helsinki, Finland
| | - Vasileios Bekiaris
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark;
| | - Richard Moriggl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Heidi A. Neubauer
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
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20
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Corsale AM, Di Simone M, Lo Presti E, Picone C, Dieli F, Meraviglia S. Metabolic Changes in Tumor Microenvironment: How Could They Affect γδ T Cells Functions? Cells 2021; 10:2896. [PMID: 34831116 PMCID: PMC8616133 DOI: 10.3390/cells10112896] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 12/15/2022] Open
Abstract
The metabolic changes that occur in tumor microenvironment (TME) can influence not only the biological activity of tumor cells, which become more aggressive and auto sustained, but also the immune response against tumor cells, either producing ineffective responses or polarizing the response toward protumor activity. γδ T cells are a subset of T cells characterized by a plasticity that confers them the ability to differentiate towards different cell subsets according to the microenvironment conditions. On this basis, we here review the more recent studies focused on altered tumor metabolism and γδ T cells, considering their already known antitumor role and the possibility of manipulating their effector functions by in vitro and in vivo approaches. γδ T cells, thanks to their unique features, are themselves a valid alternative to overcome the limits associated with the use of conventional T cells, such as major histocompatibility complex (MHC) restriction, costimulatory signal and specific tumor-associated antigen recognition. Lipids, amino acids, hypoxia, prostaglandins and other metabolic changes inside the tumor microenvironment could reduce the efficacy of this important immune population and polarize γδ T cells toward IL17 producing cells that play a pro tumoral role. A deeper knowledge of this phenomenon could be helpful to formulate new immunotherapeutic approaches that target tumor metabolisms.
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Affiliation(s)
- Anna Maria Corsale
- Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo, 90133 Palermo, Italy; (A.M.C.); (M.D.S.); (C.P.); (F.D.)
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, 90127 Palermo, Italy
| | - Marta Di Simone
- Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo, 90133 Palermo, Italy; (A.M.C.); (M.D.S.); (C.P.); (F.D.)
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, 90127 Palermo, Italy
| | - Elena Lo Presti
- National Research Council (CNR), Institute for Biomedical Research and Innovation (IRIB), 90146 Palermo, Italy;
| | - Carmela Picone
- Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo, 90133 Palermo, Italy; (A.M.C.); (M.D.S.); (C.P.); (F.D.)
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, 90127 Palermo, Italy
| | - Francesco Dieli
- Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo, 90133 Palermo, Italy; (A.M.C.); (M.D.S.); (C.P.); (F.D.)
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, 90127 Palermo, Italy
| | - Serena Meraviglia
- Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo, 90133 Palermo, Italy; (A.M.C.); (M.D.S.); (C.P.); (F.D.)
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, 90127 Palermo, Italy
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21
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Strategies to Improve the Antitumor Effect of γδ T Cell Immunotherapy for Clinical Application. Int J Mol Sci 2021; 22:ijms22168910. [PMID: 34445615 PMCID: PMC8396358 DOI: 10.3390/ijms22168910] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/18/2022] Open
Abstract
Human γδ T cells show potent cytotoxicity against various types of cancer cells in a major histocompatibility complex unrestricted manner. Phosphoantigens and nitrogen-containing bisphosphonates (N-bis) stimulate γδ T cells via interaction between the γδ T cell receptor (TCR) and butyrophilin subfamily 3 member A1 (BTN3A1) expressed on target cells. γδ T cell immunotherapy is classified as either in vivo or ex vivo according to the method of activation. Immunotherapy with activated γδ T cells is well tolerated; however, the clinical benefits are unsatisfactory. Therefore, the antitumor effects need to be increased. Administration of γδ T cells into local cavities might improve antitumor effects by increasing the effector-to-target cell ratio. Some anticancer and molecularly targeted agents increase the cytotoxicity of γδ T cells via mechanisms involving natural killer group 2 member D (NKG2D)-mediated recognition of target cells. Both the tumor microenvironment and cancer stem cells exert immunosuppressive effects via mechanisms that include inhibitory immune checkpoint molecules. Therefore, co-immunotherapy with γδ T cells plus immune checkpoint inhibitors is a strategy that may improve cytotoxicity. The use of a bispecific antibody and chimeric antigen receptor might be effective to overcome current therapeutic limitations. Such strategies should be tested in a clinical research setting.
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22
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Giri S, Lal G. Differentiation and functional plasticity of gamma-delta (γδ) T cells under homeostatic and disease conditions. Mol Immunol 2021; 136:138-149. [PMID: 34146759 DOI: 10.1016/j.molimm.2021.06.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/29/2021] [Accepted: 06/09/2021] [Indexed: 12/27/2022]
Abstract
Gamma-delta (γδ) T cells are a heterogeneous population of immune cells, which constitute <5% of total T cells in mice lymphoid tissue and human peripheral blood. However, they comprise a higher proportion of T cells in the epithelial and mucosal barrier, where they perform immune functions, help in tissue repair, and maintaining homeostasis. These tissues resident γδ T cells possess properties of innate and adaptive immune cells which enables them to perform a variety of functions during homeostasis and disease. Emerging data suggest the involvement of γδ T cells during transplant rejection and survival. Interestingly, several functions of γδ T cells can be modulated through their interaction with other immune cells. This review provides an overview of development, differentiation plasticity into regulatory and effector phenotypes of γδ T cells during homeostasis and various diseases.
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Affiliation(s)
- Shilpi Giri
- National Centre for Cell Science, NCCS Complex, SP Pune University Campus, Ganeshkhind, Pune, MH-411007, India
| | - Girdhari Lal
- National Centre for Cell Science, NCCS Complex, SP Pune University Campus, Ganeshkhind, Pune, MH-411007, India.
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23
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Qi C, Wang Y, Li P, Zhao J. Gamma Delta T Cells and Their Pathogenic Role in Psoriasis. Front Immunol 2021; 12:627139. [PMID: 33732249 PMCID: PMC7959710 DOI: 10.3389/fimmu.2021.627139] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 01/15/2021] [Indexed: 12/14/2022] Open
Abstract
γδT cells are an unconventional population of T lymphocytes that play an indispensable role in host defense, immune surveillance, and homeostasis of the immune system. They display unique developmental, distributional, and functional patterns and rapidly respond to various insults and contribute to diverse diseases. Although γδT cells make up only a small portion of the total T cell pool, emerging evidence suggest that aberrantly activated γδT cells may play a role in the pathogenesis of psoriasis. Dermal γδT cells are the major IL-17-producing cells in the skin that respond to IL-23 stimulation. Furthermore, γδT cells exhibit memory-cell-like characteristics that mediate repeated episodes of psoriatic inflammation. This review discusses the differentiation, development, distribution, and biological function of γδT cells and the mechanisms by which they contribute to psoriasis. Potential therapeutic approaches targeting these cells in psoriasis have also been detailed.
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Affiliation(s)
- Cong Qi
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing Institute of Traditional Chinese Medicine, Beijing, China
| | - Yazhuo Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing Institute of Traditional Chinese Medicine, Beijing, China
| | - Ping Li
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing Institute of Traditional Chinese Medicine, Beijing, China
| | - Jingxia Zhao
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis, Beijing Institute of Traditional Chinese Medicine, Beijing, China
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24
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Genetic Influence on the Peripheral Differentiation Signature of Vδ2+ γδ and CD4+ αβ T Cells in Adults. Cells 2021; 10:cells10020373. [PMID: 33670279 PMCID: PMC7918850 DOI: 10.3390/cells10020373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 02/08/2023] Open
Abstract
Adaptive as well as innate immune traits are variously affected by environmental and genetic influences, but little is known about the impact of genetics on the diversity, differentiation and functionality of γδ T cells in humans. Here, we analyzed a cohort of 95 middle-aged twins from the Danish Twin Registry. The differentiation status of peripheral αβ and γδ T cells was assessed by flow cytometry based on the surface expression of CD27, CD28 and CD45RA. Our data confirm the established associations of latent cytomegalovirus (CMV) infection with an accumulation of late differentiated memory T cells in the αβ compartment as well as in the Vδ1+ γδ T cell subset. A comparison of differentiation phenotypes of γδ and αβ T cells that were not affected by CMV seropositivity identified a significant correlation of early differentiated (ED) Vδ2+ and intermediate differentiated (ID) CD4+ T cells in monozygotic (MZ), but not in dizygotic (DZ) co-twins. Thus, our data suggest a genetic influence on the differentiation of γδ and αß T cell subsets.
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25
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Biradar S, Lotze MT, Mailliard RB. The Unknown Unknowns: Recovering Gamma-Delta T Cells for Control of Human Immunodeficiency Virus (HIV). Viruses 2020; 12:v12121455. [PMID: 33348583 PMCID: PMC7766279 DOI: 10.3390/v12121455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/11/2020] [Accepted: 12/15/2020] [Indexed: 12/14/2022] Open
Abstract
Recent advances in γδ T cell biology have focused on the unique attributes of these cells and their role in regulating innate and adaptive immunity, promoting tissue homeostasis, and providing resistance to various disorders. Numerous bacterial and viral pathogens, including human immunodeficiency virus-1 (HIV), greatly alter the composition of γδ T cells in vivo. Despite the effectiveness of antiretroviral therapy (ART) in controlling HIV and restoring health in those affected, γδ T cells are dramatically impacted during HIV infection and fail to reconstitute to normal levels in HIV-infected individuals during ART for reasons that are not clearly understood. Importantly, their role in controlling HIV infection, and the implications of their failure to rebound during ART are also largely unknown and understudied. Here, we review important aspects of human γδ T cell biology, the effector and immunomodulatory properties of these cells, their prevalence and function in HIV, and their immunotherapeutic potential.
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Affiliation(s)
- Shivkumar Biradar
- Department of Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, PA 15261, USA;
| | - Michael T. Lotze
- Departments of Surgery, Immunology, and Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA;
| | - Robbie B. Mailliard
- Department of Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, PA 15261, USA;
- Correspondence:
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26
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Gassen RB, Fazolo T, Nascimento de Freitas D, Borges TJ, Lima K, Antunes GL, Maito F, Bueno Mendes DA, Báfica A, Rodrigues LC, Stein R, Duarte de Souza AP, Bonorino C. IL-21 treatment recovers follicular helper T cells and neutralizing antibody production in respiratory syncytial virus infection. Immunol Cell Biol 2020; 99:309-322. [PMID: 33068449 DOI: 10.1111/imcb.12418] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/31/2020] [Accepted: 10/14/2020] [Indexed: 01/13/2023]
Abstract
Respiratory syncytial virus (RSV) is the major cause of lower respiratory tract infections in children under 1 year. RSV vaccines are currently unavailable, and children suffering from multiple reinfections by the same viral strain fail to develop protective responses. Although RSV-specific antibodies can be detected upon infection, these have limited neutralizing capacity. Follicular helper T (Tfh) cells are specialized in providing signals to B cells and help the production and affinity maturation of antibodies, mainly via interleukin (IL) 21 secretion. In this study, we evaluated whether RSV could inhibit Tfh responses. We observed that Tfh cells fail to upregulate IL-21 production upon RSV infection. In the lungs, RSV infection downregulated the expression of IL-21/interleukin-21 receptor (IL-21R) in Tfh cells and upregulated programmed death-ligand 1 (PD-L1) expression in dendritic cells (DCs) and B cells. PD-L1 blockade during infection recovered IL-21R expression in Tfh cells and increased the secretion of IL-21 in a DC-dependent manner. IL-21 treatment decreased RSV viral load and lung inflammation, inducing the formation of tertiary lymphoid organs in the lung. It also decreased regulatory follicular T cells, and increased Tfh cells, B cells, antibody avidity and neutralization capacity, leading to an overall improved anti-RSV humoral response in infected mice. Passive immunization with purified immunoglobulin G from IL-21-treated RSV-infected mice protected against RSV infection. Our results unveil a pathway by which RSV affects Tfh cells by increasing PD-L1 expression on antigen-presenting cells, highlighting the importance of an IL-21-PD-L1 axis for the generation of protective responses to RSV infection.
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Affiliation(s)
- Rodrigo Benedetti Gassen
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Renal Division, Schuster Family Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Tiago Fazolo
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Deise Nascimento de Freitas
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Thiago J Borges
- Renal Division, Schuster Family Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Karina Lima
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunoterapia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | - Géssica L Antunes
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fábio Maito
- Laboratório de Histologia, Faculdade de Odontologia, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Daniel Ag Bueno Mendes
- Laboratório de Imunobiologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - André Báfica
- Laboratório de Imunobiologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Luiz Carlos Rodrigues
- Laboratório de Imunovirologia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | - Renato Stein
- Infant Center, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana Paula Duarte de Souza
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Cristina Bonorino
- Laboratório de Imunoterapia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.,Department of Surgery, School of Medicine, University of California at San Diego, La Jolla, CA, USA
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27
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Perez C, Gruber I, Arber C. Off-the-Shelf Allogeneic T Cell Therapies for Cancer: Opportunities and Challenges Using Naturally Occurring "Universal" Donor T Cells. Front Immunol 2020; 11:583716. [PMID: 33262761 PMCID: PMC7685996 DOI: 10.3389/fimmu.2020.583716] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/07/2020] [Indexed: 12/20/2022] Open
Abstract
Chimeric antigen receptor (CAR) engineered T cell therapies individually prepared for each patient with autologous T cells have recently changed clinical practice in the management of B cell malignancies. Even though CARs used to redirect polyclonal T cells to the tumor are not HLA restricted, CAR T cells are also characterized by their endogenous T cell receptor (TCR) repertoire. Tumor-antigen targeted TCR-based T cell therapies in clinical trials are thus far using “conventional” αβ-TCRs that recognize antigens presented as peptides in the context of the major histocompatibility complex. Thus, both CAR- and TCR-based adoptive T cell therapies (ACTs) are dictated by compatibility of the highly polymorphic HLA molecules between donors and recipients in order to avoid graft-versus-host disease and rejection. The development of third-party healthy donor derived well-characterized off-the-shelf cell therapy products that are readily available and broadly applicable is an intensive area of research. While genome engineering provides the tools to generate “universal” donor cells that can be redirected to cancers, we will focus our attention on third-party off-the-shelf strategies with T cells that are characterized by unique natural features and do not require genome editing for safe administration. Specifically, we will discuss the use of virus-specific T cells, lipid-restricted (CD1) T cells, MR1-restricted T cells, and γδ-TCR T cells. CD1- and MR1-restricted T cells are not HLA-restricted and have the potential to serve as a unique source of universal TCR sequences to be broadly applicable in TCR-based ACT as their targets are presented by the monomorphic CD1 or MR1 molecules on a wide variety of tumor types. For each cell type, we will summarize the stage of preclinical and clinical development and discuss opportunities and challenges to deliver off-the-shelf targeted cellular therapies against cancer.
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Affiliation(s)
- Cynthia Perez
- Department of Oncology UNIL CHUV, Ludwig Institute for Cancer Research Lausanne, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Isabelle Gruber
- Department of Oncology UNIL CHUV, Ludwig Institute for Cancer Research Lausanne, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Caroline Arber
- Department of Oncology UNIL CHUV, Ludwig Institute for Cancer Research Lausanne, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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28
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Rafia C, Harly C, Scotet E. Beyond CAR T cells: Engineered Vγ9Vδ2 T cells to fight solid tumors. Immunol Rev 2020; 298:117-133. [DOI: 10.1111/imr.12920] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/21/2020] [Accepted: 08/28/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Chirine Rafia
- INSERMCNRSCRCINAUniversité de Nantes Nantes France
- LabEx IGO “Immunotherapy, Graft, Oncology” Nantes France
- ImCheck Therapeutics Marseille France
| | - Christelle Harly
- INSERMCNRSCRCINAUniversité de Nantes Nantes France
- LabEx IGO “Immunotherapy, Graft, Oncology” Nantes France
| | - Emmanuel Scotet
- INSERMCNRSCRCINAUniversité de Nantes Nantes France
- LabEx IGO “Immunotherapy, Graft, Oncology” Nantes France
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29
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Lo Presti E, Dieli F, Fourniè JJ, Meraviglia S. Deciphering human γδ T cell response in cancer: Lessons from tumor-infiltrating γδ T cells. Immunol Rev 2020; 298:153-164. [PMID: 32691450 DOI: 10.1111/imr.12904] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/21/2020] [Accepted: 06/30/2020] [Indexed: 01/03/2023]
Abstract
The finding that γδ T cells are present among tumor-infiltrating lymphocytes in humans suggests they participate in tumor immune surveillance, but their relevance is unclear because the relative abundance of tumor-infiltrating γδ T cells correlates with positive or negative, or even do not correlate with prognosis. This likely depends on the fact that tumor-infiltrating γδ T cells may play substantially different effector or regulatory functions, and correlation with patient's prognosis relies on distinct γδ T cell subsets in the context of the tumor. There is interest to exploit γδ T cells in tumor immunotherapy, but to make this approach successful there is urgent need to fully understand the biological functions of γδ T cells and of how they can be manipulated in vivo and ex vivo to safely provide benefit to the host. This review focuses on our previous and ongoing studies of tumor-infiltrating γδ T lymphocytes in different types of human cancer. Moreover, we discuss the interaction of tumor-infiltrating γδ T cells with other cells and molecules present in the tumor microenvironment, and their clinical relevance on the ground, that deep knowledge in this field can be used further for better immunotherapeutic intervention in cancer.
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Affiliation(s)
- Elena Lo Presti
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy.,Department of Biomedicine, Neurosciences and Advanced Diagnosis (BIND), University of Palermo, Palermo, Italy
| | - Francesco Dieli
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy.,Department of Biomedicine, Neurosciences and Advanced Diagnosis (BIND), University of Palermo, Palermo, Italy
| | - Jean Jacques Fourniè
- Centre de Recherches en Cancérologie de Toulouse, Toulouse, France.,Toulouse University, Toulouse, France.,ERL 5294 CNRS, Toulouse, France.,Institut Universitaire du Cancer-Oncopole de Toulouse, Toulouse, France.,Laboratoire d'Excellence 'TOUCAN', Toulouse, France
| | - Serena Meraviglia
- Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy.,Department of Biomedicine, Neurosciences and Advanced Diagnosis (BIND), University of Palermo, Palermo, Italy
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30
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Mucosal-associated invariant T (MAIT) cells provide B-cell help in vaccinated and subsequently SIV-infected Rhesus Macaques. Sci Rep 2020; 10:10060. [PMID: 32572140 PMCID: PMC7308357 DOI: 10.1038/s41598-020-66964-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 05/26/2020] [Indexed: 02/06/2023] Open
Abstract
Mucosal-associated invariant T (MAIT) cells help combat opportunistic infections. Thus, MAIT cells are of interest in HIV/SIV vaccination and infection. We investigated MAIT cell dynamics and function in rhesus macaque blood and bronchoalveolar lavage (BAL) following mucosal adenovirus (Ad)-SIV recombinant priming, intramuscular SIV envelope boosting and infection following repeated low-dose intravaginal SIV exposures. Increased frequencies of blood MAIT cells over the course of vaccination were observed, which were maintained even 12-weeks post-SIV infection. BAL MAIT cells only increased after the first Ad immunization. Vaccination increased MAIT cell levels in blood and BAL expressing the antiviral cytokine IFN-γ and TNF-α and the proliferation marker Ki67. Upon T cell-specific α-CD3, α-CD28 stimulation, MAIT cells showed a greater capacity to secrete cytokines/chemokines associated with help for B cell activation, migration and regulation compared to CD3+MR1− cells. Culture of MAIT cell supernatants with B cells led to greater tissue like memory B cell frequencies. MAIT cell frequencies in blood and BAL correlated with SIV-specific antibody levels in rectal secretions and with SIV-specific tissue resident memory B cells. Overall, SIV vaccination influenced MAIT cell frequency and functionality. The potential for MAIT cells to provide help to B cells was evident during both vaccination and infection.
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31
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Juno JA, Kent SJ. What Can Gamma Delta T Cells Contribute to an HIV Cure? Front Cell Infect Microbiol 2020; 10:233. [PMID: 32509601 PMCID: PMC7248205 DOI: 10.3389/fcimb.2020.00233] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 04/23/2020] [Indexed: 01/19/2023] Open
Abstract
Elimination of the latent HIV reservoir remains a major barrier to achieving an HIV cure. In this review, we discuss the cytolytic nature of human gamma delta T cells and highlight the emerging evidence that they can target and eliminate HIV-infected T cells. Based on observations from human clinical trials assessing gamma delta immunotherapy in oncology, we suggest key questions and research priorities for the study of these unique T cells in HIV cure research.
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Affiliation(s)
- Jennifer A Juno
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Stephen J Kent
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia.,Department of Infectious Diseases, Melbourne Sexual Health Centre, Alfred Health, Central Clinical School, Monash University, Clayton, VIC, Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Melbourne, Melbourne, VIC, Australia
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32
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Liu Y, Zhang C. The Role of Human γδ T Cells in Anti-Tumor Immunity and Their Potential for Cancer Immunotherapy. Cells 2020; 9:cells9051206. [PMID: 32413966 PMCID: PMC7290839 DOI: 10.3390/cells9051206] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/06/2020] [Accepted: 05/09/2020] [Indexed: 12/20/2022] Open
Abstract
γδ T cells are a distinct subset of T cells whose T cell receptors consist of γ chains and δ chains, different from conventional αβ T cells. γδ T cells are considered as a member of the innate immunity because of their non-MHC restricted antigen recognition, rapid response to invading pathogens and sense early changes of malignant cells. Upon activation, they can further promote the activation of adaptive immune cells, such as T cells and B cells, by secreting various cytokines. Thus, γδ T cells are regarded as a bridge between innate immunity and acquired immunity. γδ T cells are involved in a variety of immune response processes, including immune defense and immune surveillance against infection and tumorigenesis. γδ T cells recognize multiple tumor-associated antigens or molecules in T cell receptors (TCRs)-dependent and natural killer cell receptors (NKRs)-dependent ways. γδ T cells not only display a direct killing capacity on a variety of tumors, but also exert anti-tumor immune responses indirectly by facilitating the function of other immune cells, such as dendritic cells (DCs), B cells and CD8+ T cells. In this review, we summarize the major subpopulations, the tumor recognition mechanisms, and the anti-tumor effects of human γδ T cells, particularly the potential of γδ T cells for cancer immunotherapy.
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Affiliation(s)
| | - Cai Zhang
- Correspondence: ; Tel.: +86-531-8838-3782
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33
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Rampoldi F, Ullrich L, Prinz I. Revisiting the Interaction of γδ T-Cells and B-Cells. Cells 2020; 9:cells9030743. [PMID: 32197382 PMCID: PMC7140609 DOI: 10.3390/cells9030743] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 01/04/2023] Open
Abstract
Right after the discovery of γδ T-cells in 1984, people started asking how γδ T-cells interact with other immune cells such as B-cells. Early reports showed that γδ T-cells are able to help B-cells to produce antibodies and to sustain the production of germinal centers. Interestingly, the presence of γδ T-cells seems to promote the generation of antibodies against “self” and less against challenging pathogens. More recently, these hypotheses were supported using γδ T-cell-deficient mouse strains, in different mouse models of systemic lupus erythematous, and after induction of epithelial cell damage. Together, these studies suggest that the link between γδ T-cells and the production of autoantibodies may be more relevant for the development of autoimmune diseases than generally acknowledged and thus targeting γδ T-cells could represent a new therapeutic strategy. In this review, we focus on what is known about the communication between γδ T-cells and B-cells, and we discuss the importance of this interaction in the context of autoimmunity.
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34
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Du B, Zhu M, Li Y, Li G, Xi X. The prostaglandin E2 increases the production of IL-17 and the expression of costimulatory molecules on γδ T cells in rheumatoid arthritis. Scand J Immunol 2020; 91:e12872. [PMID: 32048307 DOI: 10.1111/sji.12872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 02/05/2020] [Accepted: 02/09/2020] [Indexed: 12/12/2022]
Abstract
γδ T cells play important roles in the development of rheumatoid arthritis (RA) through their antigen-presenting capacity, release of pro-inflammatory cytokines, immunomodulatory properties, interaction with CD4+ CD25+ Tregs and promotion of antibody production by helping B cells. Although prostaglandin E2 (PGE2) was proved to have the ability to enhance the antigen-presenting function of dendritic cells and IL-17 production of CD4+ αβ T cells in RA, the role of PGE2 in γδ T cells from RA disease has not yet been clarified. The goal of this study was to determine the role of PGE2 in γδ T cells in RA. We first demonstrated that the population of γδT17 cells increased in patients with RA compared to healthy controls. Then, IL-17A level in patients with RA was shown to increase compared to healthy controls. After adding PGE2 to γδ T cells from patients with RA, the IL-17A level increased accordingly, and the expression of the costimulatory molecules, CD80 and CD86, on these cells also increased. These results suggest that PEG2 can increase the production of IL-17A and the expression of CD80 and CD86 on γδ T cells in patients with RA. These findings will benefit to explore new therapeutic targets for RA disease.
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Affiliation(s)
- Boyu Du
- Institute of Basic Medical Science, Hubei University of Medicine, Shiyan, China.,Hubei Key Laboratory of Wudang Local Chinese Medicine Research, Hubei University of Medicine, Shiyan, China
| | - Min Zhu
- Institute of Basic Medical Science, Hubei University of Medicine, Shiyan, China
| | - Youling Li
- Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - Gang Li
- Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - Xueyan Xi
- Institute of Basic Medical Science, Hubei University of Medicine, Shiyan, China.,Renmin Hospital, Hubei University of Medicine, Shiyan, China.,Hubei Key Laboratory of Embryonic Stem Cell Research, Hubei University of Medicine, Shiyan, China
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35
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Peters C, Kouakanou L, Kabelitz D. A comparative view on vitamin C effects on αβ- versus γδ T-cell activation and differentiation. J Leukoc Biol 2020; 107:1009-1022. [PMID: 32034803 DOI: 10.1002/jlb.1mr1219-245r] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 12/06/2019] [Accepted: 01/13/2020] [Indexed: 12/19/2022] Open
Abstract
Vitamin C (VitC) is an essential vitamin that needs to be provided through exogenous sources. It is a potent anti-oxidant, and an essential cofactor for many enzymes including a group of enzymes that modulate epigenetic regulation of gene expression. Moreover, VitC has a significant influence on T-cell differentiation, and can directly interfere with T-cell signaling. Conventional CD4 and CD8 T cells express the αβ TCR and recognize peptide antigens in the context of MHC presentation. The numerically small population of γδ T cells recognizes antigens in an MHC-independent manner. γδ T cells kill a broad variety of malignant cells, and because of their unique features, are interesting candidates for cancer immunotherapy. In this review, we summarize what is known about the influence of VitC on T-cell activation and differentiation with a special focus on γδ T cells. The known mechanisms of action of VitC on αβ T cells are discussed and extrapolated to the effects observed on γδ T-cell activation and differentiation. Overall, VitC enhances proliferation and effector functions of γδ T cells and thus may help to increase the efficacy of γδ T cells applied as cancer immunotherapy in adoptive cell transfer.
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Affiliation(s)
- Christian Peters
- Institute of Immunology, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Léonce Kouakanou
- Institute of Immunology, Christian-Albrechts-University Kiel, Kiel, Germany
| | - Dieter Kabelitz
- Institute of Immunology, Christian-Albrechts-University Kiel, Kiel, Germany
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36
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Chabab G, Bonnefoy N, Lafont V. IL-21 Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1240:73-82. [PMID: 32060889 DOI: 10.1007/978-3-030-38315-2_6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
IL-21 is an immunomodulatory cytokine produced by natural killer (NK) cells and T cells that has pleiotropic roles in immune and nonimmune cells. IL-21 can modulate innate and specific immunity activities. It is a potent stimulator of T and natural killer cell-mediated antitumor immunity but also has pro-inflammatory functions in many tissues and is involved in oncogenesis. It is important to understand IL-21 biology in these different situations to ensure the maximal benefit of therapeutic strategies targeting this cytokine. This chapter summarizes IL-21 characteristics and signaling, its role in immune system components, and its use in cancer immunotherapies.
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Affiliation(s)
- Ghita Chabab
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Institut régional du Cancer de Montpellier, Montpellier, France
| | - Nathalie Bonnefoy
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Institut régional du Cancer de Montpellier, Montpellier, France
| | - Virginie Lafont
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Institut régional du Cancer de Montpellier, Montpellier, France.
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37
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Nguyen CT, Maverakis E, Eberl M, Adamopoulos IE. γδ T cells in rheumatic diseases: from fundamental mechanisms to autoimmunity. Semin Immunopathol 2019; 41:595-605. [PMID: 31506867 PMCID: PMC6815259 DOI: 10.1007/s00281-019-00752-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 08/29/2019] [Indexed: 02/06/2023]
Abstract
The innate and adaptive arms of the immune system tightly regulate immune responses in order to maintain homeostasis and host defense. The interaction between those two systems is critical in the activation and suppression of immune responses which if unchecked may lead to chronic inflammation and autoimmunity. γδ T cells are non-conventional lymphocytes, which express T cell receptor (TCR) γδ chains on their surface and straddle between innate and adaptive immunity. Recent advances in of γδ T cell biology have allowed us to expand our understanding of γδ T cell in the dysregulation of immune responses and the development of autoimmune diseases. In this review, we summarize current knowledge on γδ T cells and their roles in skin and joint inflammation as commonly observed in rheumatic diseases.
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Affiliation(s)
- Cuong Thach Nguyen
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, USA
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Emanual Maverakis
- Department of Dermatology, School of Medicine, University of California at Davis, Davis, CA, USA
| | - Matthias Eberl
- Division of Infection and Immunity, School of Medicine and Systems Immunity Research Institute, Cardiff University, Cardiff, CF14 4XN, UK
| | - Iannis E Adamopoulos
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, USA.
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children Northern California, Sacramento, CA, USA.
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38
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Juno JA, Eriksson EM. γδ T-cell responses during HIV infection and antiretroviral therapy. Clin Transl Immunology 2019; 8:e01069. [PMID: 31321033 PMCID: PMC6636517 DOI: 10.1002/cti2.1069] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 12/16/2022] Open
Abstract
HIV infection is associated with a rapid and sustained inversion of the Vδ1:Vδ2 T‐cell ratio in peripheral blood. Studies of antiretroviral therapy (ART)‐treated cohorts suggest that ART is insufficient to reconstitute either the frequency or function of the γδ T‐cell subset. Recent advances are now beginning to shed light on the relationship between microbial translocation, chronic inflammation, immune ageing and γδ T‐cell immunology. Here, we review the impact of acute, chronic untreated and treated HIV infection on circulating and mucosal γδ T‐cell subsets and highlight novel approaches to harness γδ T cells as components of anti‐HIV immunotherapy.
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Affiliation(s)
- Jennifer A Juno
- Department of Microbiology and Immunology The University of Melbourne at The Peter Doherty Institute for Infection and Immunity Melbourne VIC Australia
| | - Emily M Eriksson
- Division of Population Health and Immunity Walter and Eliza Hall Institute of Medical Science Melbourne VIC Australia.,Department of Medical Biology The University of Melbourne Melbourne VIC Australia
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Silva-Santos B, Mensurado S, Coffelt SB. γδ T cells: pleiotropic immune effectors with therapeutic potential in cancer. Nat Rev Cancer 2019; 19:392-404. [PMID: 31209264 DOI: 10.1038/s41568-019-0153-5] [Citation(s) in RCA: 229] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The potential of cancer immunotherapy relies on the mobilization of immune cells capable of producing antitumour cytokines and effectively killing tumour cells. These are major attributes of γδ T cells, a lymphoid lineage that is often underestimated despite its major role in tumour immune surveillance, which has been established in a variety of preclinical cancer models. This situation notwithstanding, in particular instances the tumour microenvironment seemingly mobilizes γδ T cells with immunosuppressive or tumour-promoting functions, thus emphasizing the importance of regulating γδ T cell responses in order to realize their translation into effective cancer immunotherapies. In this Review we outline both seminal work and recent advances in our understanding of how γδ T cells participate in tumour immunity and how their functions are regulated in experimental models of cancer. We also discuss the current strategies aimed at maximizing the therapeutic potential of human γδ T cells, on the eve of their exploration in cancer clinical trials that may position them as key players in cancer immunotherapy.
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Affiliation(s)
- Bruno Silva-Santos
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal.
| | - Sofia Mensurado
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Seth B Coffelt
- Institute of Cancer Sciences, University of Glasgow and Cancer Research UK Beatson Institute, Glasgow, UK.
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40
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Lo Presti E, Corsale AM, Dieli F, Meraviglia S. γδ cell-based immunotherapy for cancer. Expert Opin Biol Ther 2019; 19:887-895. [PMID: 31220420 DOI: 10.1080/14712598.2019.1634050] [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] [Indexed: 01/09/2023]
Abstract
Introduction: Cancer immunotherapy relies on the development of an efficient and long-lasting anti-tumor response, generally mediated by cytotoxic T cells. γδ T cells possess distinctive features that justify their use in cancer immunotherapy. Areas covered: Here we will review our current knowledge on the functions of human γδ T cells that may be relevant in tumor immunity and the most recent advances in our understanding of how these functions are regulated in the tumor microenvironment. We will also discuss the major achievements and limitations of γδ T cell-based immunotherapy of cancer. Expert opinion: Several small-scale clinical trials have been conducted in cancer patients using either in vivo activation of γδ T cells or adoptive transfer of ex vivo-expanded γδ T cells. Both strategies are safe and give some clinical benefit to patients, thus providing a proof of principle for their utilization in addition to conventional therapies. However, low objective response rates have been obtained in both settings and therefore larger and well-controlled trials are needed. Discovering the factors which influence the success of γδ T cell-based immunotherapy will lead to a better understanding of their mechanism of action and to harness these cells for effective and durable anti-tumor responses.
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Affiliation(s)
- Elena Lo Presti
- a Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo , Palermo , Italy.,b Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo , Palermo , Italy
| | - Anna Maria Corsale
- a Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo , Palermo , Italy.,b Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo , Palermo , Italy
| | - Francesco Dieli
- a Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo , Palermo , Italy.,b Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo , Palermo , Italy
| | - Serena Meraviglia
- a Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo , Palermo , Italy.,b Department of Biomedicine, Neurosciences and Advanced Diagnosis, University of Palermo , Palermo , Italy
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Vitamin C promotes the proliferation and effector functions of human γδ T cells. Cell Mol Immunol 2019; 17:462-473. [PMID: 31171862 PMCID: PMC7192840 DOI: 10.1038/s41423-019-0247-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/18/2019] [Indexed: 12/20/2022] Open
Abstract
γδ T cells are of interest as effector cells for cellular immunotherapy due to their HLA-non-restricted lysis of many different tumor cell types. Potential applications include the adoptive transfer of in vitro-expanded γδ T cells. Therefore, it is important to optimize the culture conditions to enable maximal proliferative and functional activity. Vitamin C (L-ascorbic acid) is an essential vitamin with multiple effects on immune cells. It is a cofactor for several enzymes, has antioxidant activity, and is an epigenetic modifier. Here, we investigated the effects of vitamin C (VC) and its more stable derivative, L-ascorbic acid 2-phosphate (pVC), on the proliferation and effector function of human γδ T cells stimulated with zoledronate (ZOL) or synthetic phosphoantigens (pAgs). VC and pVC did not increase γδ T-cell expansion within ZOL- or pAg-stimulated PBMCs, but increased the proliferation of purified γδ T cells and 14-day-expanded γδ T-cell lines in response to γδ T-cell-specific pAgs. VC reduced the apoptosis of γδ T cells during primary stimulation. While pVC did not prevent activation-induced death of pAg-restimulated γδ T cells, it enhanced the cell cycle progression and cellular expansion. Furthermore, VC and pVC enhanced cytokine production during primary activation, as well as upon pAg restimulation of 14-day-expanded γδ T cells. VC and pVC also increased the oxidative respiration and glycolysis of γδ T cells, but stimulus-dependent differences were observed. The modulatory activity of VC and pVC might help to increase the efficacy of γδ T-cell expansion for adoptive immunotherapy.
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42
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Zhuang Q, Peng B, Wei W, Gong H, Yu M, Yang M, Liu L, Ming Y. The detailed distribution of T cell subpopulations in immune-stable renal allograft recipients: a single center study. PeerJ 2019; 7:e6417. [PMID: 30775184 PMCID: PMC6369828 DOI: 10.7717/peerj.6417] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 01/09/2019] [Indexed: 01/03/2023] Open
Abstract
Background Most renal allograft recipients reach a stable immune state (neither rejection nor infection) after transplantation. However, the detailed distribution of overall T lymphocyte subsets in the peripheral blood of these immune-stable renal transplant recipients remains unclear. We aim to identify differences between this stable immune state and a healthy immune state. Methods In total, 103 recipients underwent renal transplantation from 2012 to 2016 and received regular follow-up in our clinic. A total of 88 of these 103 recipients were enrolled in our study according to the inclusion and exclusion criteria. A total of 47 patients were 1 year post-transplantation, and 41 were 5 years post-transplantation. In addition, 41 healthy volunteers were recruited from our physical examination clinic. Detailed T cell subpopulations from the peripheral blood were assessed via flow cytometry. The parental frequency of each subset was calculated and compared among the diverse groups. Results The demographics and baseline characteristics of every group were analyzed. The frequency of total T cells (CD3+) was decreased in the renal allograft recipients. No difference in the variation of the CD4+, CD8+, and activated (HLA-DR+) T cell subsets was noted among the diverse groups. Regarding T cell receptor (TCR) markers, significant reductions were found in the proportion of γδ T cells and their Vδ2 subset in the renal allograft recipients. The proportions of both CD4+ and CD8+ programmed cell death protein (PD) 1+ T cell subsets were increased in the renal allograft recipients. The CD27+CD28+ T cell proportions in both the CD4+ and CD8+ populations were significantly decreased in the allograft recipients, but the opposite results were found for both CD4+ and CD8+ CD27-CD28- T cells. An increased percentage of CD4+ effector memory T cells and a declined fraction of CD8+ central memory T cells were found in the renal allograft recipients. Conclusion Limited differences in general T cell subsets (CD4+, CD8+, and HLA-DR+) were noted. However, obvious differences between renal allograft recipients and healthy volunteers were identified with TCR, PD1, costimulatory molecules, and memory T cell markers.
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Affiliation(s)
- Quan Zhuang
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Bo Peng
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Wei Wei
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Hang Gong
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Meng Yu
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Min Yang
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Lian Liu
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yingzi Ming
- Transplantation Center, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
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Wu K, Zhao H, Xiu Y, Li Z, Zhao J, Xie S, Zeng H, Zhang H, Yu L, Xu B. IL-21-mediated expansion of Vγ9Vδ2 T cells is limited by the Tim-3 pathway. Int Immunopharmacol 2019; 69:136-142. [PMID: 30708194 DOI: 10.1016/j.intimp.2019.01.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/10/2019] [Accepted: 01/17/2019] [Indexed: 12/12/2022]
Abstract
Vγ9Vδ2 T cells are the main γδ T subset in the peripheral blood and lymphoid organs. Previous studies have shown that Vγ9Vδ2 T cells could expand in the presence of phosphoantigens and IL-2 and exert antitumor functions. However, their potency was limited because sustained proliferation could not be achieved, possibly due to exhaustion caused by prolonged antigenic stimulation. In this study, we examined the proliferative response of Vγ9Vδ2 T cells to IL-21, a cytokine previously shown to promote NK cell and CD8 T cell cytotoxicity. We found that IL-21 could significantly improve the proliferation of phosphoantigen-stimulated Vγ9Vδ2 T cells in a dose-dependent manner. However, in acute myeloid leukemia (AML) patients, the efficacy of IL-21 was significantly reduced. Vγ9Vδ2 T cells from AML patients exhibited lower expression of IL-21R, and required higher levels of IL-21 for expansion. IL-21-treated Vγ9Vδ2 T cells from AML patients presented lower increase in STAT1 phosphorylation than Vγ9Vδ2 T cells from healthy volunteers. Interestingly, AML Vγ9Vδ2 T cells presented significantly higher Tim-3 expression than healthy Vγ9Vδ2 T cells. IL-21 treatment further induced Tim-3 upregulation. Blocking Tim-3 increased the proliferation and the STAT phosphorylation in Vγ9Vδ2 T cells in response to IL-21. Together, these results demonstrated that IL-21 could significantly expand the Vγ9Vδ2 T cells, but its efficacy was limited since it also increased the expression of checkpoint molecule Tim-3.
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Affiliation(s)
- Kangni Wu
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Haijun Zhao
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Yanghui Xiu
- Eye Institute and Xiamen Eye Center Affiliated to Xiamen University, Xiamen 361001, China
| | - Zhifeng Li
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Jintao Zhao
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Shiting Xie
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Hanyan Zeng
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China
| | - Haiping Zhang
- Department of Pathology, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China.
| | - Lian Yu
- Department of Hematology and Rheumatology, Longyan First Hospital, Affiliated to Fujian Medical University, Longyan 364000, P.R. China.
| | - Bing Xu
- Department of Hematology, The First Affiliated Hospital of Xiamen University and Institute of Hematology, School of Medicine, Xiamen University, Xiamen 361003, P.R. China.
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Peters C, Kabelitz D, Wesch D. Regulatory functions of γδ T cells. Cell Mol Life Sci 2018; 75:2125-2135. [PMID: 29520421 PMCID: PMC11105251 DOI: 10.1007/s00018-018-2788-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 02/07/2018] [Accepted: 02/26/2018] [Indexed: 02/06/2023]
Abstract
γδ T cells share characteristics of innate and adaptive immune cells and are involved in a broad spectrum of pro-inflammatory functions. Nonetheless, there is accumulating evidence that γδ T cells also exhibit regulatory functions. In this review, we describe the different phenotypes of regulatory γδ T cells in correlation with the identified mechanisms of suppression.
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MESH Headings
- Animals
- Genes, cdc/physiology
- Humans
- Immune System Phenomena/physiology
- Immune Tolerance
- Receptors, Antigen, T-Cell, gamma-delta/metabolism
- Receptors, Antigen, T-Cell, gamma-delta/physiology
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/metabolism
- T-Lymphocytes, Regulatory/physiology
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Affiliation(s)
- Christian Peters
- Institute of Immunology, Christian-Albrechts University of Kiel, Arnold-Heller Strasse 3, Haus 17, 24105, Kiel, Germany
| | - Dieter Kabelitz
- Institute of Immunology, Christian-Albrechts University of Kiel, Arnold-Heller Strasse 3, Haus 17, 24105, Kiel, Germany
| | - Daniela Wesch
- Institute of Immunology, Christian-Albrechts University of Kiel, Arnold-Heller Strasse 3, Haus 17, 24105, Kiel, Germany.
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45
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Chen Q, Wen K, Lv A, Liu M, Ni K, Xiang Z, Liu Y, Tu W. Human Vγ9Vδ2-T Cells Synergize CD4 + T Follicular Helper Cells to Produce Influenza Virus-Specific Antibody. Front Immunol 2018; 9:599. [PMID: 29670614 PMCID: PMC5893649 DOI: 10.3389/fimmu.2018.00599] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 03/09/2018] [Indexed: 01/09/2023] Open
Abstract
Human Vγ9Vδ2-T cells recognize nonpeptidic antigens and exert effector functions against microorganisms and tumors, but little is known about their roles in humoral immune response against influenza virus infection. Herein, in the coculture of autologous human B cells, dendritic cells and/or naïve CD4 T cells, and Vγ9Vδ2-T cells, we demonstrated that Vγ9Vδ2-T cells could facilitate H9N2 influenza virus-specific IgG and IgM productions in a CD4 T cell-dependent manner. Vγ9Vδ2-T cells promoted the differentiation of CXCR5+PD1+CD4+ T follicular helper (Tfh) cells, CD19+IgD−CD38++ plasma cells (PCs), and drove B cell proliferation as well as immunoglobulin class switching. Interestingly, Vγ9Vδ2-T cells acquired Tfh-associated molecules such as CXCR5, PD1, CD40L, and ICOS during influenza virus stimulation, especially in the presence of CD4 T cells. Moreover, Vγ9Vδ2-T cells promoted CD4 T cells to secrete IL-13 and IL-21, and neutralizing IL-13 and IL-21 significantly reduced the number of CD19+IgD−CD38++ PCs. Using humanized mice, we further demonstrated that Vγ9Vδ2-T cells could synergize CD4 T cells to produce influenza virus-specific antibody. Our findings provide a greater scope for Vγ9Vδ2-T cells in adaptive immunity, especially for the Tfh development and humoral immune responses against influenza virus infection.
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Affiliation(s)
- Qingyun Chen
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong.,State Key Laboratory of Oncology in Southern China, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Kun Wen
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
| | - Aizhen Lv
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
| | - Ming Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Ke Ni
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
| | - Zheng Xiang
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
| | - Yinping Liu
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
| | - Wenwei Tu
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Pokfulam, Hong Kong
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Petrasca A, Melo AM, Breen EP, Doherty DG. Human Vδ3+ γδ T cells induce maturation and IgM secretion by B cells. Immunol Lett 2018; 196:126-134. [DOI: 10.1016/j.imlet.2018.02.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 01/12/2018] [Accepted: 02/05/2018] [Indexed: 02/06/2023]
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Bronnimann MP, Skinner PJ, Connick E. The B-Cell Follicle in HIV Infection: Barrier to a Cure. Front Immunol 2018; 9:20. [PMID: 29422894 PMCID: PMC5788973 DOI: 10.3389/fimmu.2018.00020] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/04/2018] [Indexed: 12/29/2022] Open
Abstract
The majority of HIV replication occurs in secondary lymphoid organs (SLOs) such as the spleen, lymph nodes, and gut-associated lymphoid tissue. Within SLOs, HIV RNA+ cells are concentrated in the B-cell follicle during chronic untreated infection, and emerging data suggest that they are a major source of replication in treated disease as well. The concentration of HIV RNA+ cells in the B-cell follicle is mediated by several factors. Follicular CD4+ T-cell subsets including T-follicular helper cells and T-follicular regulatory cells are significantly more permissive to HIV than extrafollicular subsets. The B cell follicle also contains a large reservoir of extracellular HIV virions, which accumulate on the surface of follicular dendritic cells (FDCs) in germinal centers. FDC-bound HIV virions remain infectious even in the presence of neutralizing antibodies and can persist for months or even years. Moreover, the B-cell follicle is semi-immune privileged from CTL control. Frequencies of HIV- and SIV-specific CTL are lower in B-cell follicles compared to extrafollicular regions as the majority of CTL do not express the follicular homing receptor CXCR5. Additionally, CTL in the B-cell follicle may be less functional than extrafollicular CTL as many exhibit the recently described CD8 T follicular regulatory phenotype. Other factors may also contribute to the follicular concentration of HIV RNA+ cells. Notably, the contribution of NK cells and γδ T cells to control and/or persistence of HIV RNA+ cells in secondary lymphoid tissue remains poorly characterized. As HIV research moves increasingly toward the development of cure strategies, a greater understanding of the barriers to control of HIV infection in B-cell follicles is critical. Although no strategy has as of yet proven to be effective, a range of novel therapies to address these barriers are currently being investigated including genetically engineered CTL or chimeric antigen receptor T cells that express the follicular homing molecule CXCR5, treatment with IL-15 or an IL-15 superagonist, use of bispecific antibodies to harness the killing power of the follicular CD8+ T cell population, and disruption of the follicle through treatments such as rituximab.
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Affiliation(s)
- Matthew P Bronnimann
- Division of Infectious Disease, Department of Medicine, University of Arizona, Tucson, AZ, United States
| | - Pamela J Skinner
- Department of Veterinary and Biomedical Sciences, University of Minnesota, St. Paul, MN, United States
| | - Elizabeth Connick
- Division of Infectious Disease, Department of Medicine, University of Arizona, Tucson, AZ, United States
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Zhao Y, Niu C, Cui J. Gamma-delta (γδ) T cells: friend or foe in cancer development? J Transl Med 2018; 16:3. [PMID: 29316940 PMCID: PMC5761189 DOI: 10.1186/s12967-017-1378-2] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Accepted: 12/30/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND γδ T cells are a distinct subgroup of T cells containing T cell receptors (TCRs) γ and TCR δ chains with diverse structural and functional heterogeneity. As a bridge between the innate and adaptive immune systems, γδ T cells participate in various immune responses during cancer progression. Because of their direct/indirect antitumor cytotoxicity and strong cytokine production ability, the use of γδ T cells in cancer immunotherapy has received a lot of attention over the past decade. MAIN TEXT Despite the promising potential of γδ T cells, the efficacy of γδ T cell immunotherapy is limited, with an average response ratio of only 21%. In addition, research over the past 2 years has shown that γδ T cells could also promote cancer progression by inhibiting antitumor responses, and enhancing cancer angiogenesis. As a result, γδ T cells have a dual effect and can therefore be considered as being both "friends" and "foes" of cancer. In order to solve the sub-optimal efficiency problem of γδ T cell immunotherapy, we review recent observations regarding the antitumor and protumor activities of major structural and functional subsets of human γδ T cells, describing how these subsets are activated and polarized, and how these events relate to subsequent effects in cancer immunity. A mixture of both antitumor or protumor γδ T cells used in adoptive immunotherapy, coupled with the fact that γδ T cells can be polarized from antitumor cells to protumor cells appear to be the likely reasons for the mild efficacy seen with γδ T cells. CONCLUSION The future holds the promise of depleting the specific protumor γδ T cell subgroup before therapy, choosing multi-immunocyte adoptive therapy, modifying the cytokine balance in the cancer microenvironment, and using a combination of γδ T cells adoptive immunotherapy with immune checkpoint inhibitors.
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Affiliation(s)
- Yijing Zhao
- Cancer Center, The First Hospital of Jilin University, Changchun, 130021 People’s Republic of China
| | - Chao Niu
- Cancer Center, The First Hospital of Jilin University, Changchun, 130021 People’s Republic of China
| | - Jiuwei Cui
- Cancer Center, The First Hospital of Jilin University, Changchun, 130021 People’s Republic of China
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49
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Zaidi I, Diallo H, Conteh S, Robbins Y, Kolasny J, Orr-Gonzalez S, Carter D, Butler B, Lambert L, Brickley E, Morrison R, Sissoko M, Healy SA, Sim BKL, Doumbo OK, Hoffman SL, Duffy PE. γδ T Cells Are Required for the Induction of Sterile Immunity during Irradiated Sporozoite Vaccinations. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2017; 199:3781-3788. [PMID: 29079696 PMCID: PMC5698172 DOI: 10.4049/jimmunol.1700314] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 10/02/2017] [Indexed: 11/19/2022]
Abstract
Whole-sporozoite vaccines confer sterilizing immunity to malaria-naive individuals by unknown mechanisms. In the first PfSPZ Vaccine trial ever in a malaria-endemic population, Vδ2 γδ T cells were significantly elevated and Vγ9/Vδ2 transcripts ranked as the most upregulated in vaccinees who were protected from Plasmodium falciparum infection. In a mouse model, absence of γδ T cells during vaccination impaired protective CD8 T cell responses and ablated sterile protection. γδ T cells were not required for circumsporozoite protein-specific Ab responses, and γδ T cell depletion before infectious challenge did not ablate protection. γδ T cells alone were insufficient to induce protection and required the presence of CD8α+ dendritic cells. In the absence of γδ T cells, CD8α+ dendritic cells did not accumulate in the livers of vaccinated mice. Altogether, our results show that γδ T cells were essential for the induction of sterile immunity during whole-organism vaccination.
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Affiliation(s)
- Irfan Zaidi
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Hama Diallo
- Malaria Research and Training Center, Mali-National Institute of Allergy and Infectious Diseases International Center for Excellence in Research, University of Science, Techniques and Technologies of Bamako, Bamako, Mali; and
| | - Solomon Conteh
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Yvette Robbins
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Jacqueline Kolasny
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Sachy Orr-Gonzalez
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Dariyen Carter
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Brandi Butler
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Lynn Lambert
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Elizabeth Brickley
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Robert Morrison
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | - Mahamadou Sissoko
- Malaria Research and Training Center, Mali-National Institute of Allergy and Infectious Diseases International Center for Excellence in Research, University of Science, Techniques and Technologies of Bamako, Bamako, Mali; and
| | - Sara A Healy
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852
| | | | - Ogobara K Doumbo
- Malaria Research and Training Center, Mali-National Institute of Allergy and Infectious Diseases International Center for Excellence in Research, University of Science, Techniques and Technologies of Bamako, Bamako, Mali; and
| | | | - Patrick E Duffy
- Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852;
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Lo Presti E, Pizzolato G, Gulotta E, Cocorullo G, Gulotta G, Dieli F, Meraviglia S. Current Advances in γδ T Cell-Based Tumor Immunotherapy. Front Immunol 2017; 8:1401. [PMID: 29163482 PMCID: PMC5663908 DOI: 10.3389/fimmu.2017.01401] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/10/2017] [Indexed: 01/12/2023] Open
Abstract
γδ T cells are a minor population (~5%) of CD3 T cells in the peripheral blood, but abound in other anatomic sites such as the intestine or the skin. There are two major subsets of γδ T cells: those that express Vδ1 gene, paired with different Vγ elements, abound in the intestine and the skin, and recognize the major histocompatibility complex (MHC) class I-related molecules such as MHC class I-related molecule A, MHC class I-related molecule B, and UL16-binding protein expressed on many stressed and tumor cells. Conversely, γδ T cells expressing the Vδ2 gene paired with the Vγ9 chain are the predominant (50-90%) γδ T cell population in the peripheral blood and recognize phosphoantigens (PAgs) derived from the mevalonate pathway of mammalian cells, which is highly active upon infection or tumor transformation. Aminobisphosphonates (n-BPs), which inhibit farnesyl pyrophosphate synthase, a downstream enzyme of the mevalonate pathway, cause accumulation of upstream PAgs and therefore promote γδ T cell activation. γδ T cells have distinctive features that justify their utilization in antitumor immunotherapy: they do not require MHC restriction and are less dependent that αβ T cells on co-stimulatory signals, produce cytokines with known antitumor effects as interferon-γ and tumor necrosis factor-α and display cytotoxic and antitumor activities in vitro and in mouse models in vivo. Thus, there is interest in the potential application of γδ T cells in tumor immunotherapy, and several small-sized clinical trials have been conducted of γδ T cell-based immunotherapy in different types of cancer after the application of PAgs or n-BPs plus interleukin-2 in vivo or after adoptive transfer of ex vivo-expanded γδ T cells, particularly the Vγ9Vδ2 subset. Results from clinical trials testing the efficacy of any of these two strategies have shown that γδ T cell-based therapy is safe, but long-term clinical results to date are inconsistent. In this review, we will discuss the major achievements and pitfalls of the γδ T cell-based immunotherapy of cancer.
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Affiliation(s)
- Elena Lo Presti
- Dipartimento di Biopatologia e Metodologie Biomediche, University of Palermo, Palermo, Italy.,Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy
| | - Gabriele Pizzolato
- Dipartimento di Biopatologia e Metodologie Biomediche, University of Palermo, Palermo, Italy.,Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy.,Humanitas University, Rozzano-Milano, Italy
| | - Eliana Gulotta
- Dipartimento di Discipline Chirurgiche ed Oncologiche, University of Palermo, Palermo, Italy
| | - Gianfranco Cocorullo
- Dipartimento di Discipline Chirurgiche ed Oncologiche, University of Palermo, Palermo, Italy
| | - Gaspare Gulotta
- Dipartimento di Discipline Chirurgiche ed Oncologiche, University of Palermo, Palermo, Italy
| | - Francesco Dieli
- Dipartimento di Biopatologia e Metodologie Biomediche, University of Palermo, Palermo, Italy.,Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy
| | - Serena Meraviglia
- Dipartimento di Biopatologia e Metodologie Biomediche, University of Palermo, Palermo, Italy.,Central Laboratory of Advanced Diagnosis and Biomedical Research (CLADIBIOR), University of Palermo, Palermo, Italy
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