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Hu Y, Hu Q, Li Y, Lu L, Xiang Z, Yin Z, Kabelitz D, Wu Y. γδ T cells: origin and fate, subsets, diseases and immunotherapy. Signal Transduct Target Ther 2023; 8:434. [PMID: 37989744 PMCID: PMC10663641 DOI: 10.1038/s41392-023-01653-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 11/23/2023] Open
Abstract
The intricacy of diseases, shaped by intrinsic processes like immune system exhaustion and hyperactivation, highlights the potential of immune renormalization as a promising strategy in disease treatment. In recent years, our primary focus has centered on γδ T cell-based immunotherapy, particularly pioneering the use of allogeneic Vδ2+ γδ T cells for treating late-stage solid tumors and tuberculosis patients. However, we recognize untapped potential and optimization opportunities to fully harness γδ T cell effector functions in immunotherapy. This review aims to thoroughly examine γδ T cell immunology and its role in diseases. Initially, we elucidate functional differences between γδ T cells and their αβ T cell counterparts. We also provide an overview of major milestones in γδ T cell research since their discovery in 1984. Furthermore, we delve into the intricate biological processes governing their origin, development, fate decisions, and T cell receptor (TCR) rearrangement within the thymus. By examining the mechanisms underlying the anti-tumor functions of distinct γδ T cell subtypes based on γδTCR structure or cytokine release, we emphasize the importance of accurate subtyping in understanding γδ T cell function. We also explore the microenvironment-dependent functions of γδ T cell subsets, particularly in infectious diseases, autoimmune conditions, hematological malignancies, and solid tumors. Finally, we propose future strategies for utilizing allogeneic γδ T cells in tumor immunotherapy. Through this comprehensive review, we aim to provide readers with a holistic understanding of the molecular fundamentals and translational research frontiers of γδ T cells, ultimately contributing to further advancements in harnessing the therapeutic potential of γδ T cells.
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Affiliation(s)
- Yi Hu
- Microbiology and Immunology Department, School of Medicine, Faculty of Medical Science, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Qinglin Hu
- Microbiology and Immunology Department, School of Medicine, Faculty of Medical Science, Jinan University, Guangzhou, Guangdong, 510632, China
- Guangdong Provincial Key Laboratory of Tumour Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong, 519000, China
| | - Yongsheng Li
- Department of Medical Oncology, Chongqing University Cancer Hospital, Chongqing, 400030, China
| | - Ligong Lu
- Guangdong Provincial Key Laboratory of Tumour Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong, 519000, China
| | - Zheng Xiang
- Microbiology and Immunology Department, School of Medicine, Faculty of Medical Science, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Zhinan Yin
- Biomedical Translational Research Institute, Jinan University, Guangzhou, Guangdong, 510632, China.
| | - Dieter Kabelitz
- Institute of Immunology, Christian-Albrechts-University Kiel, Kiel, Germany.
| | - Yangzhe Wu
- Guangdong Provincial Key Laboratory of Tumour Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, Guangdong, 519000, China.
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Wang Y, Hu Y, Liu Y, Shi C, Yu L, Lu N, Zhang C. Liver-resident CD44 hiCD27 - γδT Cells Help to Protect Against Listeria monocytogenes Infection. Cell Mol Gastroenterol Hepatol 2023; 16:923-941. [PMID: 37611663 PMCID: PMC10616555 DOI: 10.1016/j.jcmgh.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 08/09/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND & AIMS Gamma delta (γδ) T cells are heterogeneous and functionally committed to producing interferon (IFN)-γ and interleukin (IL)-17. γδT cells are defined as tissue-resident lymphocytes in barrier tissues. Among them, IL-17-producing γδT cells are relatively abundant in the liver. However, a systematic and comprehensive understanding of the residency characteristics and function of hepatic IL-17A+ γδT cells is lacking. METHODS We undertook a single-cell analysis of γδT17 cells derived from murine livers. A parabiosis model was used to assess tissue residency. Fluorescence-activated cell sorting and adoptive transfer experiments were used to investigate the response and protective role of liver-resident CD44hiCD27- γδT cells in Listeria monocytogenes infection. Transwell assay was used to assess the role of macrophages in the chemotaxis of liver-resident CD44hiCD27- γδT cells. RESULTS We identified hepatic IL-17A-producing γδT cells as CD44hiCD27- γδT cells. They had tissue-resident characteristics and resided principally within the liver. Vγ6+ T cells also exhibited liver-resident features. Liver-resident CD44hiCD27- γδT cells had significantly increased proliferation capacity, and their proportion rapidly increased after infection. Some CD44hiCD27- γδT cells could produce IL-17A and IFN-γ simultaneously in response to Lm infection. Adoptive transfer of hepatic CD44hiCD27- γδT cells into Lm-infected TCRδ-/- mice led to markedly lower bacterial numbers in the liver. Hepatic macrophages promoted the migration and accumulation of liver-resident CD44hiCD27- γδT cells into infection sites. CONCLUSIONS Liver-resident CD44hiCD27- γδT cells protect against Lm infection. Hepatic macrophages coordinate with liver-resident CD44hiCD27- γδT cells and contribute to the clearance of Lm at the early stage of infection corporately.
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Affiliation(s)
- Yanan Wang
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuan Hu
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuxia Liu
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chongdeng Shi
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Linyan Yu
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Nan Lu
- Institute of Diagnostics, School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
| | - Cai Zhang
- Institute of Immunopharmaceutical Sciences, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
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Khairallah C, Chu TH, Qiu Z, Imperato JN, Yang D, Sheridan BS. The accumulation of Vγ4 T cells with aging is associated with an increased adaptive Vγ4 T cell response after foodborne Listeria monocytogenes infection of mice. Immun Ageing 2022; 19:19. [PMID: 35501808 PMCID: PMC9063344 DOI: 10.1186/s12979-022-00275-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/19/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND It is generally accepted that aging has detrimental effects on conventional T cell responses to systemic infections. However, most pathogens naturally invade the body through mucosal barriers. Although mucosal sites are highly enriched in unconventional immune sentinels like γδ T cells, little is currently known about the impact of aging on unconventional mucosal T cell responses. We previously established that foodborne infection with a mouse-adapted internalin A mutant Listeria monocytogenes (Lm) generates an adaptive intestinal memory CD44hi CD27neg Vγ4 T cells capable of co-producing IL-17A and IFNγ. Therefore, we used this model to evaluate the impact of aging on adaptive Vγ4 T cell responses elicited by foodborne infection. RESULTS Foodborne Lm infection of female Balb/c and C57BL/6 mice led to an increased adaptive CD44hi CD27neg Vγ4 T cell response associated with aging. Moreover, Lm-elicited CD44hi CD27neg Vγ4 T cells maintained diverse functional subsets despite some alterations favoring IL-17A production as mice aged. In contrast to the documented susceptibility of aged mice to intravenous Lm infection, mice contained bacteria after foodborne Lm infection suggesting that elevated bacterial burden was not a major factor driving the increased adaptive CD44hi CD27neg Vγ4 T cell response associated with mouse age. However, CD44hi CD27neg Vγ4 T cells accumulated in naïve mice as they aged suggesting that an increased precursor frequency contributes to the robust Lm-elicited mucosal response observed. Body mass did not appear to have a strong positive association with CD44hi CD27neg Vγ4 T cells within age groups. Although an increased adaptive CD44hi CD27neg Vγ4 T cell response may contribute to foodborne Lm resistance of C57BL/6 mice aged 19 or more months, neither anti-TCRδ or anti-IL-17A treatment impacted Lm colonization after primary infection. These results suggest that γδTCR signaling and IL-17A are dispensable for protection after primary foodborne Lm infection consistent with the role of conventional T cells during the early innate immune response to Lm. CONCLUSIONS Lm-elicited adaptive Vγ4 T cells appear resistant to immunosenescence and memory Vγ4 T cells could be utilized to provide protective immune functions during enteric infection of aged hosts. As such, oral immunization might offer an efficient therapeutic approach to generate unconventional memory T cells in the elderly.
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Affiliation(s)
- Camille Khairallah
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Timothy H. Chu
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Zhijuan Qiu
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Jessica N. Imperato
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Daniella Yang
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Brian S. Sheridan
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
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Regulation of tissue-resident memory T cells by the Microbiota. Mucosal Immunol 2022; 15:408-417. [PMID: 35194180 PMCID: PMC9063729 DOI: 10.1038/s41385-022-00491-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 01/24/2022] [Accepted: 01/27/2022] [Indexed: 02/04/2023]
Abstract
Resident memory T cells (Trms) predominantly reside within tissue and are critical for providing rapid protection against invasive viruses, fungi and bacteria. Given that tissues are heavily impacted and shaped by the microbiota, it stands to reason that Trms are also influenced by the microbiota that inhabits barrier sites. The influence of the microbiota is largely mediated by microbial production of metabolites which are crucial to the immune response to both viral infection and cancerous tumors. In addition to the effects of metabolites, antigens derived from the microbiota can activate T cell responses. While microbiota-specific T cells may assist in tissue repair, control of infection and anti-tumor immunity, the actual 'memory' potential of these cells remains unclear. Here, we hypothesize that memory responses to antigens from the microbiota must be 'licensed' by inflammatory signals activated by invasion of the host by microorganisms.
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Chu TH, Khairallah C, Shieh J, Cho R, Qiu Z, Zhang Y, Eskiocak O, Thanassi DG, Kaplan MH, Beyaz S, Yang VW, Bliska JB, Sheridan BS. γδ T cell IFNγ production is directly subverted by Yersinia pseudotuberculosis outer protein YopJ in mice and humans. PLoS Pathog 2021; 17:e1010103. [PMID: 34871329 PMCID: PMC8648121 DOI: 10.1371/journal.ppat.1010103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/09/2021] [Indexed: 12/31/2022] Open
Abstract
Yersinia pseudotuberculosis is a foodborne pathogen that subverts immune function by translocation of Yersinia outer protein (Yop) effectors into host cells. As adaptive γδ T cells protect the intestinal mucosa from pathogen invasion, we assessed whether Y. pseudotuberculosis subverts these cells in mice and humans. Tracking Yop translocation revealed that the preferential delivery of Yop effectors directly into murine Vγ4 and human Vδ2+ T cells inhibited anti-microbial IFNγ production. Subversion was mediated by the adhesin YadA, injectisome component YopB, and translocated YopJ effector. A broad anti-pathogen gene signature and STAT4 phosphorylation levels were inhibited by translocated YopJ. Thus, Y. pseudotuberculosis attachment and translocation of YopJ directly into adaptive γδ T cells is a major mechanism of immune subversion in mice and humans. This study uncovered a conserved Y. pseudotuberculosis pathway that subverts adaptive γδ T cell function to promote pathogenicity. Unconventional γδ T cells are a dynamic immune population important for mucosal protection of the intestine against invading pathogens. We determined that the foodborne pathogen Y. pseudotuberculosis preferentially targets an adaptive subset of these cells to subvert immune function. We found that direct injection of Yersinia outer proteins (Yop) into adaptive γδ T cells inhibited their anti-pathogen functions. We screened all Yop effectors and identified YopJ as the sole effector to inhibit adaptive γδ T cell production of IFNγ. We determined that adaptive γδ T cell subversion occurred by limiting activation of the transcription factor STAT4. When we infected mice with Y. pseudotuberculosis expressing an inactive YopJ, this enhanced the adaptive γδ T cell response and led to greater cytokine production from this subset of cells to aid mouse recovery. This mechanism of immune evasion appears conserved in humans as direct injection of Y. pseudotuberculosis YopJ into human γδ T cells inhibited cytokine production. This suggested to us that Y. pseudotuberculosis actively inhibits the adaptive γδ T cell response through YopJ as a mechanism to evade immune surveillance at the site of pathogen invasion.
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Affiliation(s)
- Timothy H. Chu
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Camille Khairallah
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Jason Shieh
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Rhea Cho
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Zhijuan Qiu
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Yue Zhang
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Onur Eskiocak
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America
| | - David G. Thanassi
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - Mark H. Kaplan
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, Indiana, United States of America
| | - Semir Beyaz
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, United States of America
| | - Vincent W. Yang
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
| | - James B. Bliska
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Dartmouth, New Hampshire, United States of America
| | - Brian S. Sheridan
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, United States of America
- * E-mail:
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