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Manakkat Vijay GK, Zhou M, Thakkar K, Rothrauff A, Chawla AS, Chen D, Lau LCW, Gerges PH, Chetal K, Chhibbar P, Fan J, Das J, Joglekar A, Borghesi L, Salomonis N, Xu H, Singh H. Temporal dynamics and genomic programming of plasma cell fates. Nat Immunol 2024; 25:1097-1109. [PMID: 38698087 DOI: 10.1038/s41590-024-01831-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 04/04/2024] [Indexed: 05/05/2024]
Abstract
Affinity-matured plasma cells (PCs) of varying lifespans are generated through a germinal center (GC) response. The developmental dynamics and genomic programs of antigen-specific PC precursors remain to be elucidated. Here, using a model antigen in mice, we demonstrate biphasic generation of PC precursors, with those generating long-lived bone marrow PCs preferentially produced in the late phase of GC response. Clonal tracing using single-cell RNA sequencing and B cell antigen receptor sequencing in spleen and bone marrow compartments, coupled with adoptive transfer experiments, reveals a new PC transition state that gives rise to functionally competent PC precursors. The latter undergo clonal expansion, dependent on inducible expression of TIGIT. We propose a model for the proliferation and programming of precursors of long-lived PCs, based on extended antigen encounters in the GC.
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Affiliation(s)
| | - Ming Zhou
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China
- Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, China
- School of Medicine, Westlake University, Hangzhou, China
| | - Kairavee Thakkar
- Division of Biomedical Informatics, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, USA
- Department of Pharmacology and Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Abigail Rothrauff
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Amanpreet Singh Chawla
- Division of Immunobiology, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, USA
| | - Dianyu Chen
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China
- Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, China
- School of Medicine, Westlake University, Hangzhou, China
| | - Louis Chi-Wai Lau
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Peter Habib Gerges
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kashish Chetal
- Division of Biomedical Informatics, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, USA
| | - Prabal Chhibbar
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jingyu Fan
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jishnu Das
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Alok Joglekar
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lisa Borghesi
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nathan Salomonis
- Division of Biomedical Informatics, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, USA.
| | - Heping Xu
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China.
- Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, China.
- School of Medicine, Westlake University, Hangzhou, China.
| | - Harinder Singh
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
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Yin N, Li X, Zhang X, Xue S, Cao Y, Niedermann G, Lu Y, Xue J. Development of pharmacological immunoregulatory anti-cancer therapeutics: current mechanistic studies and clinical opportunities. Signal Transduct Target Ther 2024; 9:126. [PMID: 38773064 PMCID: PMC11109181 DOI: 10.1038/s41392-024-01826-z] [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: 10/11/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 05/23/2024] Open
Abstract
Immunotherapy represented by anti-PD-(L)1 and anti-CTLA-4 inhibitors has revolutionized cancer treatment, but challenges related to resistance and toxicity still remain. Due to the advancement of immuno-oncology, an increasing number of novel immunoregulatory targets and mechanisms are being revealed, with relevant therapies promising to improve clinical immunotherapy in the foreseeable future. Therefore, comprehending the larger picture is important. In this review, we analyze and summarize the current landscape of preclinical and translational mechanistic research, drug development, and clinical trials that brought about next-generation pharmacological immunoregulatory anti-cancer agents and drug candidates beyond classical immune checkpoint inhibitors. Along with further clarification of cancer immunobiology and advances in antibody engineering, agents targeting additional inhibitory immune checkpoints, including LAG-3, TIM-3, TIGIT, CD47, and B7 family members are becoming an important part of cancer immunotherapy research and discovery, as are structurally and functionally optimized novel anti-PD-(L)1 and anti-CTLA-4 agents and agonists of co-stimulatory molecules of T cells. Exemplified by bispecific T cell engagers, newly emerging bi-specific and multi-specific antibodies targeting immunoregulatory molecules can provide considerable clinical benefits. Next-generation agents also include immune epigenetic drugs and cytokine-based therapeutics. Cell therapies, cancer vaccines, and oncolytic viruses are not covered in this review. This comprehensive review might aid in further development and the fastest possible clinical adoption of effective immuno-oncology modalities for the benefit of patients.
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Affiliation(s)
- Nanhao Yin
- Division of Thoracic Tumor Multimodality Treatment, Cancer Center & State Key Laboratory of Biotherapy, and The National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China
| | - Xintong Li
- Division of Thoracic Tumor Multimodality Treatment, Cancer Center & State Key Laboratory of Biotherapy, and The National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China
| | - Xuanwei Zhang
- Division of Thoracic Tumor Multimodality Treatment, Cancer Center & State Key Laboratory of Biotherapy, and The National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China
| | - Shaolong Xue
- Department of Gynecology and Obstetrics, West China Second University Hospital, Sichuan University, No. 20, Section 3, South Renmin Road, Chengdu, 610041, Sichuan, PR China
| | - Yu Cao
- Department of Emergency Medicine, Laboratory of Emergency Medicine, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China
- Institute of Disaster Medicine & Institute of Emergency Medicine, Sichuan University, No. 17, Gaopeng Avenue, Chengdu, 610041, Sichuan, PR China
| | - Gabriele Niedermann
- Department of Radiation Oncology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, German Cancer Consortium (DKTK) Partner Site DKTK-Freiburg, Robert-Koch-Strasse 3, 79106, Freiburg, Germany.
| | - You Lu
- Division of Thoracic Tumor Multimodality Treatment, Cancer Center & State Key Laboratory of Biotherapy, and The National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China.
- Laboratory of Clinical Cell Therapy, West China Hospital, Sichuan University, No. 2222, Xinchuan Road, Chengdu, 610041, Sichuan, PR China.
| | - Jianxin Xue
- Division of Thoracic Tumor Multimodality Treatment, Cancer Center & State Key Laboratory of Biotherapy, and The National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Chengdu, 610041, Sichuan, PR China.
- Laboratory of Clinical Cell Therapy, West China Hospital, Sichuan University, No. 2222, Xinchuan Road, Chengdu, 610041, Sichuan, PR China.
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3
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Saito S, Bozorgmehr N, Sligl W, Osman M, Elahi S. The Role of Coinhibitory Receptors in B Cell Dysregulation in SARS-CoV-2-Infected Individuals with Severe Disease. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1540-1552. [PMID: 38517295 DOI: 10.4049/jimmunol.2300783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/01/2024] [Indexed: 03/23/2024]
Abstract
Severe SARS-CoV-2 infection is associated with significant immune dysregulation involving different immune cell subsets. In this study, when analyzing critically ill COVID-19 patients versus those with mild disease, we observed a significant reduction in total and memory B cell subsets but an increase in naive B cells. Moreover, B cells from COVID-19 patients displayed impaired effector functions, evidenced by diminished proliferative capacity, reduced cytokine, and Ab production. This functional impairment was accompanied by an increased apoptotic potential upon stimulation in B cells from severely ill COVID-19 patients. Our further studies revealed the expansion of B cells expressing coinhibitory molecules (PD-1, PD-L1, TIM-1, VISTA, CTLA-4, and Gal-9) in intensive care unit (ICU)-admitted patients but not in those with mild disease. The coinhibitory receptor expression was linked to altered IgA and IgG expression and increased the apoptotic capacity of B cells. Also, we found a reduced frequency of CD24hiCD38hi regulatory B cells with impaired IL-10 production. Our mechanistic studies revealed that the upregulation of PD-L1 was linked to elevated plasma IL-6 levels in COVID-19 patients. This implies a connection between the cytokine storm and altered B cell phenotype and function. Finally, our metabolomic analysis showed a significant reduction in tryptophan but elevation of kynurenine in ICU-admitted COVID-19 patients. We found that kynurenine promotes PD-L1 expression in B cells, correlating with increased IL-6R expression and STAT1/STAT3 activation. Our observations provide novel insights into the complex interplay of B cell dysregulation, implicating coinhibitory receptors, IL-6, and kynurenine in impaired B cell effector functions, potentially contributing to the pathogenesis of COVID-19.
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Affiliation(s)
- Suguru Saito
- School of Dentistry, Division of Foundational Sciences, University of Alberta, Edmonton, AB, Canada
| | - Najmeh Bozorgmehr
- School of Dentistry, Division of Foundational Sciences, University of Alberta, Edmonton, AB, Canada
| | - Wendy Sligl
- Department of Critical Care Medicine, University of Alberta, Edmonton, AB, Canada
- Department of Medicine, Division of Infectious Diseases, University of Alberta, Edmonton, AB, Canada
| | - Mohammed Osman
- Department of Medicine, Division of Rheumatology, University of Alberta, Edmonton, AB, Canada
| | - Shokrollah Elahi
- School of Dentistry, Division of Foundational Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Oncology, University of Alberta, Edmonton, AB, Canada
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB, Canada
- Women and Children Health Research Institute, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
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Elias C, Chen C, Cherukuri A. Regulatory B Cells in Solid Organ Transplantation: From Immune Monitoring to Immunotherapy. Transplantation 2024; 108:1080-1089. [PMID: 37779239 PMCID: PMC10985051 DOI: 10.1097/tp.0000000000004798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Regulatory B cells (Breg) modulate the immune response in diverse disease settings including transplantation. Despite the lack of a specific phenotypic marker or transcription factor, their significance in transplantation is underscored by their ability to prolong experimental allograft survival, the possibility for their clinical use as immune monitoring tools, and the exciting prospect for them to form the basis for cell therapy. Interleukin (IL)-10 expression remains the most widely used marker for Breg. Several Breg subsets with distinct phenotypes that express this "signature Breg cytokine" have been described in mice and humans. Although T-cell immunoglobulin and mucin family-1 is the most inclusive and functional marker that accounts for murine Breg with disparate mechanisms of action, the significance of T-cell immunoglobulin and mucin family-1 as a marker for Breg in humans still needs to be explored. Although the primary focus of this review is the role of Breg in clinical transplantation, the net modulatory effect of B cells on the immune response and clinical outcomes is the result of the balancing functions of both Breg and effector B cells. Supporting this notion, B-cell IL-10/tumor necrosis factor α ratio is shown to predict immunologic reactivity and clinical outcomes in kidney and liver transplantation. Assessment of Breg:B effector balance using their IL-10/tumor necrosis factor α ratio may identify patients that require more immunosuppression and provide mechanistic insights into potential therapies. In summary, current advances in our understanding of murine and human Breg will pave way for future definitive clinical studies aiming to test them for immune monitoring and as therapeutic targets.
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Affiliation(s)
- Charbel Elias
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Chuxiao Chen
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Organ Transplant Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Aravind Cherukuri
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Renal and Electrolyte Division, Department of Internal Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
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Varghese JF, Kaskow BJ, von Glehn F, Case J, Li Z, Julé AM, Berdan E, Ho Sui SJ, Hu Y, Krishnan R, Chitnis T, Kuchroo VK, Weiner HL, Baecher-Allan CM. Human regulatory memory B cells defined by expression of TIM-1 and TIGIT are dysfunctional in multiple sclerosis. Front Immunol 2024; 15:1360219. [PMID: 38745667 PMCID: PMC11091236 DOI: 10.3389/fimmu.2024.1360219] [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: 12/22/2023] [Accepted: 03/13/2024] [Indexed: 05/16/2024] Open
Abstract
Background Regulatory B cells (Bregs) play a pivotal role in suppressing immune responses, yet there is still a lack of cell surface markers that can rigorously identify them. In mouse models for multiple sclerosis (MS), TIM-1 or TIGIT expression on B cells is required for maintaining self-tolerance and regulating autoimmunity to the central nervous system. Here we investigated the activities of human memory B cells that differentially express TIM-1 and TIGIT to determine their potential regulatory function in healthy donors and patients with relapsing-remitting (RR) MS. Methods FACS-sorted TIM-1+/-TIGIT+/- memory B (memB) cells co-cultured with allogenic CD4+ T cells were analyzed for proliferation and induction of inflammatory markers using flow cytometry and cytokine quantification, to determine Th1/Th17 cell differentiation. Transcriptional differences were assessed by SMARTSeq2 RNA sequencing analysis. Results TIM-1-TIGIT- double negative (DN) memB cells strongly induce T cell proliferation and pro-inflammatory cytokine expression. The TIM-1+ memB cells enabled low levels of CD4+ T cell activation and gave rise to T cells that co-express IL-10 with IFNγ and IL-17A or FoxP3. T cells cultured with the TIM-1+TIGIT+ double positive (DP) memB cells exhibited reduced proliferation and IFNγ, IL-17A, TNFα, and GM-CSF expression, and exhibited strong regulation in Breg suppression assays. The functional activity suggests the DP memB cells are a bonafide Breg population. However, MS DP memB cells were less inhibitory than HC DP memB cells. A retrospective longitudinal study of anti-CD20 treated patients found that post-treatment DP memB cell frequency and absolute number were associated with response to therapy. Transcriptomic analyses indicated that the dysfunctional MS-derived DP memB/Breg population exhibited increased expression of genes associated with T cell activation and survival (CD80, ZNF10, PIK3CA), and had distinct gene expression compared to the TIGIT+ or TIM-1+ memB cells. Conclusion These findings demonstrate that TIM-1/TIGIT expressing memory B cell subsets have distinct functionalities. Co-expression of TIM-1 and TIGIT defines a regulatory memory B cell subset that is functionally impaired in MS.
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Affiliation(s)
- Johnna F. Varghese
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Belinda J. Kaskow
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Felipe von Glehn
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Junning Case
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Zhenhua Li
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Amélie M. Julé
- Bioinformatics Core, Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Emma Berdan
- Bioinformatics Core, Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Shannan Janelle Ho Sui
- Bioinformatics Core, Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Yong Hu
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Rajesh Krishnan
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
- The Gene Lay Institute of Immunology and Inflammation, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA, United States
| | - Tanuja Chitnis
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Vijay K. Kuchroo
- Harvard Medical School, Boston, MA, United States
- The Gene Lay Institute of Immunology and Inflammation, Harvard Medical School, Brigham and Women’s Hospital, Boston, MA, United States
| | - Howard L. Weiner
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
| | - Clare Mary Baecher-Allan
- Harvard Medical School, Boston, MA, United States
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Boston, MA, United States
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Nicosia M, Valujskikh A. Recognizing Complexity of CD8 T Cells in Transplantation. Transplantation 2024:00007890-990000000-00734. [PMID: 38637929 DOI: 10.1097/tp.0000000000005001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
The major role of CD8+ T cells in clinical and experimental transplantation is well documented and acknowledged. Nevertheless, the precise impact of CD8+ T cells on graft tissue injury is not completely understood, thus impeding the development of specific treatment strategies. The goal of this overview is to consider the biology and functions of CD8+ T cells in the context of experimental and clinical allotransplantation, with special emphasis on how this cell subset is affected by currently available and emerging therapies.
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Affiliation(s)
- Michael Nicosia
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
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Han DK, Hong SK, Yun IH, Yan JJ, Park J, Kim SW, Seok SH, Kim H, Ji G, Choi Y, Lee KW, Suh KS, Yang J, Yi NJ. Anti-intercellular adhesion molecule 1 monomaintenance therapy induced long-term liver allograft survival without chronic rejection. Am J Transplant 2024:S1600-6135(24)00247-8. [PMID: 38561059 DOI: 10.1016/j.ajt.2024.03.037] [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: 12/15/2023] [Revised: 03/14/2024] [Accepted: 03/27/2024] [Indexed: 04/04/2024]
Abstract
Calcineurin inhibitors (CNIs) are essential in liver transplantation (LT); however, their long-term use leads to various adverse effects. The anti-intercellular adhesion molecule (ICAM)-1 monoclonal antibody MD3 is a potential alternative to CNI. Despite its promising results with short-term therapy, overcoming the challenge of chronic rejection remains important. Thus, we aimed to investigate the outcomes of long-term MD3 therapy with monthly MD3 monomaintenance in nonhuman primate LT models. Rhesus macaques underwent major histocompatibility complex-mismatched allogeneic LT. The conventional immunosuppression group (Con-IS, n = 4) received steroid, tacrolimus, and sirolimus by 4 months posttransplantation. The induction MD3 group (IN-MD3, n = 5) received short-term MD3 therapy for 3 months with Con-IS. The maintenance MD3 group (MA-MD3, n = 4) received MD3 for 3 months, monthly doses by 2 years, and then quarterly. The MA-MD3 group exhibited stable liver function without overt infection and had significantly better liver allograft survival than the IN-MD3 group. Development of donor-specific antibody and chronic rejection were suppressed in the MA-MD3 group but not in the IN-MD3 group. Donor-specific T cell responses were attenuated in the MA-MD3 group. In conclusion, MD3 monomaintenance therapy without maintenance CNI provides long-term liver allograft survival by suppressing chronic rejection, offering a potential breakthrough for future human trials.
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Affiliation(s)
- Dong Kyu Han
- Graduate School of Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Biomedical Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Suk Kyun Hong
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Il Hee Yun
- Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Republic of Korea; The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ji-Jing Yan
- Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Republic of Korea; The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jisu Park
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sang Wha Kim
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Gangwon, Republic of Korea; Department of Microbiology and Immunology, and Institute of Endemic Disease, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Seung Hyeok Seok
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Microbiology and Immunology, and Institute of Endemic Disease, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Haeryoung Kim
- Department of Pathology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Gilyong Ji
- Kumho HT, Seongnam, Gyeonggi, Republic of Korea
| | - YoungRok Choi
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kwang-Woong Lee
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kyung-Suk Suh
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jaeseok Yang
- Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Republic of Korea; The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Nam-Joon Yi
- Graduate School of Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Xia Y, Gao D, Wang X, Liu B, Shan X, Sun Y, Ma D. Role of Treg cell subsets in cardiovascular disease pathogenesis and potential therapeutic targets. Front Immunol 2024; 15:1331609. [PMID: 38558816 PMCID: PMC10978666 DOI: 10.3389/fimmu.2024.1331609] [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: 11/01/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
In the genesis and progression of cardiovascular diseases involving both innate and adaptive immune responses, inflammation plays a pivotal and dual role. Studies in experimental animals indicate that certain immune responses are protective, while others exacerbate the disease. T-helper (Th) 1 cell immune responses are recognized as key drivers of inflammatory progression in cardiovascular diseases. Consequently, the CD4+CD25+FOXP3+ regulatory T cells (Tregs) are gaining increasing attention for their roles in inflammation and immune regulation. Given the critical role of Tregs in maintaining immune-inflammatory balance and homeostasis, abnormalities in their generation or function might lead to aberrant immune responses, thereby initiating pathological changes. Numerous preclinical studies and clinical trials have unveiled the central role of Tregs in cardiovascular diseases, such as atherosclerosis. Here, we review the roles and mechanisms of Treg subsets in cardiovascular conditions like atherosclerosis, hypertension, myocardial infarction and remodeling, myocarditis, dilated cardiomyopathy, and heart failure. While the precise molecular mechanisms of Tregs in cardiac protection remain elusive, therapeutic strategies targeting Tregs present a promising new direction for the prevention and treatment of cardiovascular diseases.
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Affiliation(s)
| | | | | | | | | | - Yunpeng Sun
- Department of Cardiac Surgery, The First Hospital of Jilin University, Changchun, China
| | - Dashi Ma
- Department of Cardiac Surgery, The First Hospital of Jilin University, Changchun, China
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Wang B, Song B, Li Y, Zhao Q, Tan B. Mapping spatial heterogeneity in gastric cancer microenvironment. Biomed Pharmacother 2024; 172:116317. [PMID: 38382329 DOI: 10.1016/j.biopha.2024.116317] [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: 12/28/2023] [Revised: 02/12/2024] [Accepted: 02/18/2024] [Indexed: 02/23/2024] Open
Abstract
Gastric cancer (GC) is difficult to characterize due to its heterogeneity, and the complicated heterogeneity leads to the difficulty of precisely targeted therapy. The spatially heterogeneous composition plays a crucial role in GC onset, progression, treatment efficacy, and drug resistance. In recent years, the technological advancements in spatial omics has shifted our understanding of the tumor microenvironment (TME) from cancer-centered model to a dynamic and variant whole. In this review, we concentrated on the spatial heterogeneity within the primary lesions and between the primary and metastatic lesions of GC through the TME heterogeneity including the tertiary lymphoid structures (TLSs), the uniquely spatial organization. Meanwhile, the immune phenotype based on spatial distribution was also outlined. Furthermore, we recapitulated the clinical treatment in mediating spatial heterogeneity in GC, hoping to provide a systematic view of how spatial information could be integrated into anti-cancer immunity.
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Affiliation(s)
- Bingyu Wang
- The Third Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Buyun Song
- The Third Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Yong Li
- The Third Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
| | - Qun Zhao
- The Third Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China; Hebei Key Laboratory of Precision Diagnosis and Comprehensive Treatment of Gastric Cancer, Shijiazhuang 050011, China
| | - Bibo Tan
- The Third Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China; Hebei Key Laboratory of Precision Diagnosis and Comprehensive Treatment of Gastric Cancer, Shijiazhuang 050011, China.
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Baert L, Mahmudul HM, Stegall M, Joo H, Oh S. B Cell-mediated Immune Regulation and the Quest for Transplantation Tolerance. Transplantation 2024:00007890-990000000-00669. [PMID: 38389135 DOI: 10.1097/tp.0000000000004948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Pathophysiologic function of B cells in graft rejection has been well recognized in transplantation. B cells promote alloantigen-specific T-cell response and secrete antibodies that can cause antibody-mediated graft failures and rejections. Therefore, strategies targeting B cells, for example, B-cell depletion, have been used for the prevention of both acute and chronic rejections. Interestingly, however, recent mounting evidence indicates that subsets of B cells yet to be further identified can display potent immune regulatory functions, and they contribute to transplantation tolerance and operational tolerance in both experimental and clinical settings, respectively. In this review, we integrate currently available information on B-cell subsets, including T-cell Ig domain and mucin domain 1-positive transitional and T-cell immunoreceptor with Ig and immunoreceptor tyrosine-based inhibitory motif domain-positive memory B cells, displaying immune regulatory functions, with a focus on transplantation tolerance, by analyzing their mechanisms of action. In addition, we will discuss potential T-cell Ig domain and mucin domain 1-positive and T-cell immunoreceptor with Ig and immunoreceptor tyrosine-based inhibitory motif domain-positive B cell-based strategies for the enhancement of operational tolerance in transplantation patients.
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Affiliation(s)
- Laurie Baert
- Department of Immunology, Mayo Clinic, Scottsdale, AZ
| | | | - Mark Stegall
- Department of Surgery, William J. von Liebig Transplant Center, Mayo Clinic, Rochester, MN
| | - HyeMee Joo
- Department of Immunology, Mayo Clinic, Scottsdale, AZ
| | - SangKon Oh
- Department of Immunology, Mayo Clinic, Scottsdale, AZ
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11
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Joller N, Anderson AC, Kuchroo VK. LAG-3, TIM-3, and TIGIT: Distinct functions in immune regulation. Immunity 2024; 57:206-222. [PMID: 38354701 PMCID: PMC10919259 DOI: 10.1016/j.immuni.2024.01.010] [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: 10/11/2023] [Revised: 12/18/2023] [Accepted: 01/10/2024] [Indexed: 02/16/2024]
Abstract
LAG-3, TIM-3, and TIGIT comprise the next generation of immune checkpoint receptors being harnessed in the clinic. Although initially studied for their roles in restraining T cell responses, intense investigation over the last several years has started to pinpoint the unique functions of these molecules in other immune cell types. Understanding the distinct processes that these receptors regulate across immune cells and tissues will inform the clinical development and application of therapies that either antagonize or agonize these receptors, as well as the profile of potential tissue toxicity associated with their targeting. Here, we discuss the distinct functions of LAG-3, TIM-3, and TIGIT, including their contributions to the regulation of immune cells beyond T cells, their roles in disease, and the implications for their targeting in the clinic.
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Affiliation(s)
- Nicole Joller
- Department of Quantitative Biomedicine, University of Zurich, 8057 Zurich, Switzerland
| | - Ana C Anderson
- Gene Lay Institute of Immunology and Inflammation, Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Vijay K Kuchroo
- Gene Lay Institute of Immunology and Inflammation, Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA.
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12
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Zhang P, Liu X, Gu Z, Jiang Z, Zhao S, Song Y, Yu J. Targeting TIGIT for cancer immunotherapy: recent advances and future directions. Biomark Res 2024; 12:7. [PMID: 38229100 PMCID: PMC10790541 DOI: 10.1186/s40364-023-00543-z] [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: 09/28/2023] [Accepted: 11/08/2023] [Indexed: 01/18/2024] Open
Abstract
As a newly identified checkpoint, T cell immunoreceptor with immunoglobulin and tyrosine-based inhibitory motif (ITIM) domain (TIGIT) is highly expressed on CD4+ T cells, CD8+ T cells, natural killer (NK) cells, regulatory T cells (Tregs), and tumor-infiltrating lymphocytes (TILs). TIGIT has been associated with NK cell exhaustion in vivo and in individuals with various cancers. It not only modulates NK cell survival but also mediates T cell exhaustion. As the primary ligand of TIGIT in humans, CD155 may be the main target for immunotherapy due to its interaction with TIGIT. It has been found that the anti-programmed cell death protein 1 (PD-1) treatment response in cancer immunotherapy is correlated with CD155 but not TIGIT. Anti-TIGIT alone and in combination with anti-PD-1 agents have been tested for cancer immunotherapy. Although two clinical studies on advanced lung cancer had positive results, the TIGIT-targeted antibody, tiragolumab, recently failed in two new trials. In this review, we highlight the current developments on TIGIT for cancer immunotherapy and discuss the characteristics and functions of TIGIT.
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Affiliation(s)
- Peng Zhang
- Department of Thoracic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Henan Medical Key Laboratory of Thoracic Oncology, Zhengzhou, 450052, Henan, China
| | - Xinyuan Liu
- Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng, 475004, Henan, China
| | - Zhuoyu Gu
- Department of Thoracic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Henan Medical Key Laboratory of Thoracic Oncology, Zhengzhou, 450052, Henan, China
| | - Zhongxing Jiang
- Department of Hematology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Song Zhao
- Department of Thoracic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Yongping Song
- Department of Hematology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Jifeng Yu
- Department of Hematology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Henan International Joint Laboratory of Nuclear Protein Gene Regulation, Henan University College of Medicine, Kaifeng, 475004, Henan, China.
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13
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Yang J, Xu J, Liu H, Xiao W, Zhang G. Deep insight into the B-cell associated tertiary lymphoid structure and tumor immunotherapy. Cancer Biol Med 2023; 21:j.issn.2095-3941.2023.0308. [PMID: 38038337 PMCID: PMC10884533 DOI: 10.20892/j.issn.2095-3941.2023.0308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Affiliation(s)
- Jilong Yang
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin’s Clinical Research Center for Cancer, Key Laboratory of Molecular Cancer Epidemiology, Tianjin 300060, China
| | - Jin Xu
- Department of Anaesthesiology, Tianjin University Tianjin Hospital, Tianjin 300211, China
| | - Haotian Liu
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin’s Clinical Research Center for Cancer, Key Laboratory of Molecular Cancer Epidemiology, Tianjin 300060, China
| | - Wanyi Xiao
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin’s Clinical Research Center for Cancer, Key Laboratory of Molecular Cancer Epidemiology, Tianjin 300060, China
| | - Gengpu Zhang
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin’s Clinical Research Center for Cancer, Key Laboratory of Molecular Cancer Epidemiology, Tianjin 300060, China
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14
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Neziraj T, Siewert L, Pössnecker E, Pröbstel AK. Therapeutic targeting of gut-originating regulatory B cells in neuroinflammatory diseases. Eur J Immunol 2023; 53:e2250033. [PMID: 37624875 DOI: 10.1002/eji.202250033] [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: 02/06/2023] [Revised: 05/29/2023] [Accepted: 08/23/2023] [Indexed: 08/27/2023]
Abstract
Regulatory B cells (Bregs) are immunosuppressive cells that support immunological tolerance by the production of IL-10, IL-35, and TGF-β. Bregs arise from different developmental stages in response to inflammatory stimuli. In that regard, mounting evidence points towards a direct influence of gut microbiota on mucosal B cell development, activation, and regulation in health and disease. While an increasing number of diseases are associated with alterations in gut microbiome (dysbiosis), little is known about the role of microbiota on Breg development and induction in neuroinflammatory disorders. Notably, gut-originating, IL-10- and IgA-producing regulatory plasma cells have recently been demonstrated to egress from the gut to suppress inflammation in the CNS raising fundamental questions about the triggers and functions of mucosal-originating Bregs in systemic inflammation. Advancing our understanding of Bregs in neuroinflammatory diseases could lead to novel therapeutic approaches. Here, we summarize the main aspects of Breg differentiation and functions and evidence about their involvement in neuroinflammatory diseases. Further, we highlight current data of gut-originating Bregs and their microbial interactions and discuss future microbiota-regulatory B cell-targeted therapies in immune-mediated diseases.
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Affiliation(s)
- Tradite Neziraj
- Department of Neurology, University Hospital of Basel and University of Basel, Basel, Switzerland
- Departments of Biomedicine and Clinical Research, University Hospital of Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital of Basel and University of Basel, Basel, Switzerland
| | - Lena Siewert
- Department of Neurology, University Hospital of Basel and University of Basel, Basel, Switzerland
- Departments of Biomedicine and Clinical Research, University Hospital of Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital of Basel and University of Basel, Basel, Switzerland
| | - Elisabeth Pössnecker
- Department of Neurology, University Hospital of Basel and University of Basel, Basel, Switzerland
- Departments of Biomedicine and Clinical Research, University Hospital of Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital of Basel and University of Basel, Basel, Switzerland
| | - Anne-Katrin Pröbstel
- Department of Neurology, University Hospital of Basel and University of Basel, Basel, Switzerland
- Departments of Biomedicine and Clinical Research, University Hospital of Basel and University of Basel, Basel, Switzerland
- Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital of Basel and University of Basel, Basel, Switzerland
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15
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Cai L, Li Y, Tan J, Xu L, Li Y. Targeting LAG-3, TIM-3, and TIGIT for cancer immunotherapy. J Hematol Oncol 2023; 16:101. [PMID: 37670328 PMCID: PMC10478462 DOI: 10.1186/s13045-023-01499-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 08/29/2023] [Indexed: 09/07/2023] Open
Abstract
In one decade, immunotherapy based on immune checkpoint blockades (ICBs) has become a new pillar of cancer treatment following surgery, radiation, chemotherapy, and targeted therapies. However, not all cancer patients benefit from single or combination therapy with anti-CTLA-4 and anti-PD-1/PD-L1 monoclonal antibodies. Thus, an increasing number of immune checkpoint proteins (ICPs) have been screened and their effectiveness evaluated in preclinical and clinical trials. Lymphocyte activation gene-3 (LAG-3), T cell immunoglobulin and mucin-domain-containing-3 (TIM-3), and T cell immunoreceptor with immunoglobulin and tyrosine-based inhibitory motif (ITIM) domain (TIGIT) constitute the second wave of immunotherapy targets that show great promise for use in the treatment of solid tumors and leukemia. To promote the research and clinical application of ICBs directed at these targets, we summarize their discovery, immunotherapy mechanism, preclinical efficiency, and clinical trial results in this review.
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Affiliation(s)
- Letong Cai
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Yuchen Li
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Jiaxiong Tan
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Ling Xu
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, 510632, China.
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, 510632, China.
| | - Yangqiu Li
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, 510632, China.
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, 510632, China.
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16
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Zhao J, Li L, Feng X, Gao C, Gao L, Zhan Y, Wang Z, Zhao M, Yin H, Lu Q. TIGIT-Fc fusion protein alleviates murine lupus nephritis through the regulation of SPI-B-PAX5-XBP1 axis-mediated B-cell differentiation. J Autoimmun 2023; 139:103087. [PMID: 37481835 DOI: 10.1016/j.jaut.2023.103087] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/19/2023] [Accepted: 07/04/2023] [Indexed: 07/25/2023]
Abstract
OBJECTIVES T cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif (ITIM) domain (TIGIT) is a newly discovered immune checkpoint (IC) that exhibits immunosuppressive function in the regulation of immune system. Activation of TIGIT signaling has emerged as a promising approach for autoimmune disease immunotherapy, such as systemic lupus erythematosus (SLE). METHODS We generated a chimeric protein, TIGIT-immunoglobulin (Ig), by fusing the extracellular domain of murine TIGIT to the Fc region of mouse IgG2a, which was used to investigated the effect of activating the TIGIT signaling in murine lupus models (MRL/lpr and chronic graft-versus-host disease mice). Treated mice were harvested, and samples of serum, kidney, and spleen were collected for outcome evaluation. In vitro treatment of TIGIT-Ig in B cells was used for exploring the roles of TIGIT in toll-like receptor 7 (TLR7)-mediated B cell differentiation and antibody production. RESULTS TIGIT-Ig treatment delayed disease progression in both lupus models, accompanied by a decrease in the production of anti-double stranded DNA antibodies (anti-dsDNA), proteinuria, proteinuria/creatinine, and Ig kidney deposition. Additionally, the group treated with TIGIT-Ig displayed a decreased proportion of T helper cell (Th)1 cells, T follicular helper (Tfh) cells, and B-cell subsets, including germinal center B cells (GC B), plasmablasts, and plasma cells, compared to the group treated with control IgG. Interestingly, we also observed an increased proportion of Tregs in the spleen of the TIGIT-Ig group. We have discovered a new way in which activating the TIGIT pathway can regulate B-cell differentiation through the SPI-B-PAX5-XBP1 pathway, resulting in a reduction in autoantibodies. CONCLUSION Together, TIGIT may be a promising IC target for SLE treatment.
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Affiliation(s)
- Junpeng Zhao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Liming Li
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Xiwei Feng
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Changxing Gao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Lingyu Gao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Yijing Zhan
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Zijun Wang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Ming Zhao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.
| | - Huiqi Yin
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.
| | - Qianjin Lu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.
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17
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Bod L, Kye YC, Shi J, Torlai Triglia E, Schnell A, Fessler J, Ostrowski SM, Von-Franque MY, Kuchroo JR, Barilla RM, Zaghouani S, Christian E, Delorey TM, Mohib K, Xiao S, Slingerland N, Giuliano CJ, Ashenberg O, Li Z, Rothstein DM, Fisher DE, Rozenblatt-Rosen O, Sharpe AH, Quintana FJ, Apetoh L, Regev A, Kuchroo VK. B-cell-specific checkpoint molecules that regulate anti-tumour immunity. Nature 2023; 619:348-356. [PMID: 37344597 PMCID: PMC10795478 DOI: 10.1038/s41586-023-06231-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 05/17/2023] [Indexed: 06/23/2023]
Abstract
The role of B cells in anti-tumour immunity is still debated and, accordingly, immunotherapies have focused on targeting T and natural killer cells to inhibit tumour growth1,2. Here, using high-throughput flow cytometry as well as bulk and single-cell RNA-sequencing and B-cell-receptor-sequencing analysis of B cells temporally during B16F10 melanoma growth, we identified a subset of B cells that expands specifically in the draining lymph node over time in tumour-bearing mice. The expanding B cell subset expresses the cell surface molecule T cell immunoglobulin and mucin domain 1 (TIM-1, encoded by Havcr1) and a unique transcriptional signature, including multiple co-inhibitory molecules such as PD-1, TIM-3, TIGIT and LAG-3. Although conditional deletion of these co-inhibitory molecules on B cells had little or no effect on tumour burden, selective deletion of Havcr1 in B cells both substantially inhibited tumour growth and enhanced effector T cell responses. Loss of TIM-1 enhanced the type 1 interferon response in B cells, which augmented B cell activation and increased antigen presentation and co-stimulation, resulting in increased expansion of tumour-specific effector T cells. Our results demonstrate that manipulation of TIM-1-expressing B cells enables engagement of the second arm of adaptive immunity to promote anti-tumour immunity and inhibit tumour growth.
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Affiliation(s)
- Lloyd Bod
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Massachusetts General Hospital Cancer Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Yoon-Chul Kye
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jingwen Shi
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- BeiGene, Beijing, China
| | - Elena Torlai Triglia
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Alexandra Schnell
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Johannes Fessler
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Division of Immunology and Pathophysiology, Medical University of Graz, Graz, Austria
| | | | - Max Y Von-Franque
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA
| | - Juhi R Kuchroo
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, USA
| | - Rocky M Barilla
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Sarah Zaghouani
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Elena Christian
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Toni Marie Delorey
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Kanishka Mohib
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sheng Xiao
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Nadine Slingerland
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | | | - Orr Ashenberg
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Zhaorong Li
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - David M Rothstein
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - David E Fisher
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA
| | - Orit Rozenblatt-Rosen
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Howard Hughes Medical Institute, Department of Biology and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Arlene H Sharpe
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, USA
| | - Francisco J Quintana
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Howard Hughes Medical Institute, Department of Biology and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Lionel Apetoh
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
- INSERM, Tours, France
- Faculté de Médecine, Université de Tours, Tours, France
| | - Aviv Regev
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Howard Hughes Medical Institute, Department of Biology and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Genentech, San Francisco, CA, USA.
| | - Vijay K Kuchroo
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA.
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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18
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Zhao J, Li L, Yin H, Feng X, Lu Q. TIGIT: An emerging immune checkpoint target for immunotherapy in autoimmune disease and cancer. Int Immunopharmacol 2023; 120:110358. [PMID: 37262959 DOI: 10.1016/j.intimp.2023.110358] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 06/03/2023]
Abstract
Immune checkpoints (ICs), also referred to as co-inhibitory receptors (IRs), are essential for regulating immune cell function to maintain tolerance and prevent autoimmunity. IRs, such as programmed cell death protein 1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), have been shown to possess immunoregulatory properties that are relevant to various autoimmune diseases and cancers. Tumors are characterized by suppressive microenvironments with elevated levels of IRs on tumor-infiltrating lymphocytes (TILs). Therefore, IR blockade has shown great potential in cancer therapy and has even been approved for clinical use. However, other IRs, including cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif (ITIM) domain (TIGIT), may also represent promising targets for anti-tumor therapy. The increasing importance of IRs in autoimmune diseases has become apparent. In mouse models, TIGIT pathway blockade or TIGIT deficiency has been linked to T cell overactivation and proliferation, exacerbation of inflammation, and increased susceptibility to autoimmune disorders. On the other hand, TIGIT activation has been shown to alleviate autoimmune disorders in murine models. Given these findings, we examine the effects of TIGIT and its potential as a therapeutic target for both autoimmune diseases and cancers. It is clear that TIGIT represents an emerging and exciting target for immunotherapy in these contexts.
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Affiliation(s)
- Junpeng Zhao
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Liming Li
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Huiqi Yin
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Xiwei Feng
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Qianjin Lu
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China; Peking Union Medical College, Chinese Academy of Medical Sciencs, Beijing, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China.
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19
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Zhao M, Huang H, He F, Fu X. Current insights into the hepatic microenvironment and advances in immunotherapy for hepatocellular carcinoma. Front Immunol 2023; 14:1188277. [PMID: 37275909 PMCID: PMC10233045 DOI: 10.3389/fimmu.2023.1188277] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/04/2023] [Indexed: 06/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and shows high global incidence and mortality rates. The liver is an immune-tolerated organ with a specific immune microenvironment that causes traditional therapeutic approaches to HCC, such as chemotherapy, radiotherapy, and molecular targeted therapy, to have limited efficacy. The dramatic advances in immuno-oncology in the past few decades have modified the paradigm of cancer therapy, ushering in the era of immunotherapy. Currently, despite the rapid integration of cancer immunotherapy into clinical practice, some patients still show no response to treatment. Therefore, a rational approach is to target the tumor microenvironment when developing the next generation of immunotherapy. This review aims to provide insights into the hepatic immune microenvironment in HCC and summarize the mechanisms of action and clinical usage of immunotherapeutic options for HCC, including immune checkpoint blockade, adoptive therapy, cytokine therapy, vaccine therapy, and oncolytic virus-based therapy.
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Affiliation(s)
| | | | - Feng He
- *Correspondence: Feng He, ; Xiangsheng Fu,
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20
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Milardi G, Lleo A. Tumor-Infiltrating B Lymphocytes: Promising Immunotherapeutic Targets for Primary Liver Cancer Treatment. Cancers (Basel) 2023; 15:cancers15072182. [PMID: 37046842 PMCID: PMC10093314 DOI: 10.3390/cancers15072182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/23/2023] [Accepted: 04/03/2023] [Indexed: 04/14/2023] Open
Abstract
Hepatocellular carcinoma and cholangiocarcinoma are the fourth most lethal primary cancers worldwide. Therefore, there is an urgent need for therapeutic strategies, including immune cell targeting therapies. The heterogeneity of liver cancer is partially explained by the characteristics of the tumor microenvironment (TME), where adaptive and innate immune system cells are the main components. Pioneering studies of primary liver cancers revealed that tumor-infiltrating immune cells and their dynamic interaction with cancer cells significantly impacted carcinogenesis, playing an important role in cancer immune evasion and responses to immunotherapy treatment. In particular, B cells may play a prominent role and have a controversial function in the TME. In this work, we highlight the effect of B lymphocytes as tumor infiltrates in relation to primary liver cancers and their potential prognostic value. We also present the key pathways underlying B-cell interactions within the TME, as well as the way that a comprehensive characterization of B-cell biology can be exploited to develop novel immune-based therapeutic approaches.
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Affiliation(s)
- Giulia Milardi
- Hepatobiliary Immunopathology Labaratory, IRCCS Humanitas Research Hospital, 20089 Milan, Italy
| | - Ana Lleo
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy
- Department of Gastroenterology, Division of Internal Medicine and Hepatology, IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy
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21
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Nectin Family Ligands Trigger Immune Effector Functions in Health and Autoimmunity. BIOLOGY 2023; 12:biology12030452. [PMID: 36979144 PMCID: PMC10045777 DOI: 10.3390/biology12030452] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/06/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023]
Abstract
The superfamily of immunoglobulin cell-adhesion molecules (IgCAMs) is a well-known family of cell-adhesion molecules used for immune-cell extravasation and cell–cell interaction. Amongst others, this family includes DNAX accessory molecule 1 (DNAM-1/CD226), class-I-restricted T-cell-associated molecule (CRTAM/CD355), T-cell-activated increased late expression (Tactile/CD96), T-cell immunoreceptor with Ig and ITIM domains (TIGIT), Nectins and Nectin-like molecules (Necls). Besides using these molecules to migrate towards inflammatory sites, their interactions within the immune system can support the immunological synapse with antigen-presenting cells or target cells for cytotoxicity, and trigger diverse effector functions. Although their role is generally described in oncoimmunity, this review emphasizes recent advances in the (dys)function of Nectin-family ligands in health, chronic inflammatory conditions and autoimmune diseases. In addition, this review provides a detailed overview on the expression pattern of Nectins and Necls and their ligands on different immune-cell types by focusing on human cell systems.
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22
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Chen Z, Huang J, Kwak-Kim J, Wang W. Immune checkpoint inhibitors and reproductive failures. J Reprod Immunol 2023; 156:103799. [PMID: 36724630 DOI: 10.1016/j.jri.2023.103799] [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: 05/24/2022] [Revised: 01/02/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023]
Abstract
The human conceptus is a semi-allograft, which is antigenically foreign to the mother. Hence, the implantation process needs mechanisms to prevent allograft rejection during successful pregnancy. Immune checkpoints are a group of inhibitory pathways expressed on the surface of various immune cells in the form of ligand receptors. Immune cells possess these pathways to regulate the magnitude of immune responses and induce maternal-fetal tolerance. Briefly, 1) CTLA-4 can weaken T cell receptor (TCR) signals and inhibit T cell response; 2) The PD-1/PD-L1 pathway can reduce T cell proliferation, enhance T cell anergy and fatigue, reduce cytokine production, and increase T regulatory cell activity to complete the immunosuppression; 3) TIM3 interacts with T cells by binding Gal-9, weakening Th1 cell-mediated immunity and T cell apoptosis; 4) The LAG-3 binding to MHC II can inhibit T cell activation by interfering with the binding of CD4 to MHC II, and; 5) TIGIT can release inhibitory signals to NK and T cells through the ITIM structure of its cytoplasmic tail. Therefore, dysregulated immune checkpoints or the application of immune checkpoint inhibitors may impair human reproduction. This review intends to deliver a comprehensive overview of immune checkpoints in pregnancy, including CTLA-4, PD-1/PD-L1, TIM-3, LAG-3, TIGIT, and their inhibitors, reviewing their roles in normal and pathological human pregnancies.
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Affiliation(s)
- Zeyang Chen
- School of Medicine, Qingdao University, 38 Dengzhou Road, Qingdao 266000, PR China; Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China
| | - Jinxia Huang
- Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China; Department of Gynecology, Weihai Central Hospital Affiliated to Qingdao University, 3 Mishan East Road, Weihai 264400, PR China
| | - Joanne Kwak-Kim
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL 60061, USA; Center for Cancer Cell Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA.
| | - Wenjuan Wang
- Reproduction Medical Center, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, 1665 Kongjiang Road, Shanghai 200092, PR China.
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23
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Hartigan CR, Tong KP, Liu D, Laurie SJ, Ford ML. TIGIT agonism alleviates costimulation blockade-resistant rejection in a regulatory T cell-dependent manner. Am J Transplant 2023; 23:180-189. [PMID: 36695691 PMCID: PMC10062175 DOI: 10.1016/j.ajt.2022.12.011] [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: 06/05/2022] [Accepted: 10/16/2022] [Indexed: 01/15/2023]
Abstract
Belatacept-based immunosuppression in kidney transplantation confers fewer off-target toxicities than calcineurin inhibitors but comes at a cost of increased incidence and severity of acute rejection, potentially due to its deleterious effect on both the number and function of Foxp3+ regulatory T cells (Tregs). TIGIT is a CD28 family coinhibitory receptor expressed on several subsets of immune cells including Tregs. We hypothesized that coinhibition through TIGIT signaling could function to ameliorate costimulation blockade-resistant rejection. The results demonstrate that treatment with an agonistic anti-TIGIT antibody, when combined with costimulation blockade by CTLA-4Ig, can prolong allograft survival in a murine skin graft model compared with CTLA-4Ig alone. Further, this prolongation of graft survival is accompanied by an increase in the frequency and number of graft-infiltrating Tregs and a concomitant reduction in the number of CD8+ T cells in the graft. Through the use of Treg-specific TIGIT conditional knockout animals, we demonstrated that the TIGIT-mediated reduction in the graft-infiltrating CD8+ T cell response is dependent on signaling of TIGIT on Foxp3+ Tregs. Our results highlight both the key functional role of TIGIT on Foxp3+ Tregs under conditions in which CTLA-4 is blocked and the therapeutic potential of TIGIT agonism to optimize costimulation blockade-based immunosuppression.
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Affiliation(s)
- Christina R Hartigan
- Department of Surgery and Emory Transplant Center, Suite 5105, 101 Woodruff Circle, Atlanta, Georgia 30322
| | - Katherine P Tong
- Department of Surgery and Emory Transplant Center, Suite 5105, 101 Woodruff Circle, Atlanta, Georgia 30322
| | - Danya Liu
- Department of Surgery and Emory Transplant Center, Suite 5105, 101 Woodruff Circle, Atlanta, Georgia 30322
| | - Sonia J Laurie
- Department of Surgery and Emory Transplant Center, Suite 5105, 101 Woodruff Circle, Atlanta, Georgia 30322
| | - Mandy L Ford
- Department of Surgery and Emory Transplant Center, Suite 5105, 101 Woodruff Circle, Atlanta, Georgia 30322.
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24
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Aru B, Pehlivanoğlu C, Dal Z, Dereli-Çalışkan NN, Gürlü E, Yanıkkaya-Demirel G. A potential area of use for immune checkpoint inhibitors: Targeting bone marrow microenvironment in acute myeloid leukemia. Front Immunol 2023; 14:1108200. [PMID: 36742324 PMCID: PMC9895857 DOI: 10.3389/fimmu.2023.1108200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 01/03/2023] [Indexed: 01/22/2023] Open
Abstract
Acute myeloid leukemia (AML) arises from the cells of myeloid lineage and is the most frequent leukemia type in adulthood accounting for about 80% of all cases. The most common treatment strategy for the treatment of AML includes chemotherapy, in rare cases radiotherapy and stem cell and bone marrow transplantation are considered. Immune checkpoint proteins involve in the negative regulation of immune cells, leading to an escape from immune surveillance, in turn, causing failure of tumor cell elimination. Immune checkpoint inhibitors (ICIs) target the negative regulation of the immune cells and support the immune system in terms of anti-tumor immunity. Bone marrow microenvironment (BMM) bears various blood cell lineages and the interactions between these lineages and the noncellular components of BMM are considered important for AML development and progression. Administration of ICIs for the AML treatment may be a promising option by regulating BMM. In this review, we summarize the current treatment options in AML treatment and discuss the possible application of ICIs in AML treatment from the perspective of the regulation of BMM.
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Affiliation(s)
- Başak Aru
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Cemil Pehlivanoğlu
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Zeynep Dal
- School of Medicine, Yeditepe University, Istanbul, Türkiye
| | | | - Ege Gürlü
- School of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Gülderen Yanıkkaya-Demirel
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye,*Correspondence: Gülderen Yanıkkaya-Demirel,
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25
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Zheremyan EA, Ustiugova AS, Radko AI, Stasevich EM, Uvarova AN, Mitkin NA, Kuprash DV, Korneev KV. Novel Potential Mechanisms of Regulatory B Cell-Mediated Immunosuppression. BIOCHEMISTRY (MOSCOW) 2023; 88:13-21. [PMID: 37068869 DOI: 10.1134/s0006297923010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
B lymphocytes play an important role in the regulation of immune response in both normal and pathological conditions. Traditionally, the main functions of B cells were considered to be antibody production and antigen presentation, but in recent decades there have been discovered several subpopulations of regulatory B lymphocytes (Bregs), which maintain immunological tolerance and prevent overactivation of the immune system. Memory (mBregs, CD19+CD24hiCD27+) and transitional (tBregs, CD19+CD24hiCD38hi) subpopulations of Bregs are usually considered in the context of studying the role of these B cells in various human pathologies. However, the mechanisms by which these Breg subpopulations exert their immunosuppressive activity remain poorly understood. In this work, we used bioinformatic analysis of open-source RNA sequencing data to propose potential mechanisms of B cell-mediated immunosuppression. Analysis of differential gene expression before and after activation of these subpopulations allowed us to identify six candidate molecules that may determine the functionality of mBregs and tBregs. IL4I1-, SIRPA-, and SLAMF7-dependent mechanisms of immunosuppression may be characteristic of both Breg subsets, while NID1-, CST7-, and ADORA2B-dependent mechanisms may be predominantly characteristic of tBregs. In-depth understanding of the molecular mechanisms of anti-inflammatory immune response of B lymphocytes is an important task for both basic science and applied medicine and could facilitate the development of new approaches to the therapy of complex diseases.
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Affiliation(s)
- Elina A Zheremyan
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Alina S Ustiugova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Anastasia I Radko
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia
| | - Ekaterina M Stasevich
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia
| | - Aksinya N Uvarova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Nikita A Mitkin
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Dmitry V Kuprash
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141701, Russia
| | - Kirill V Korneev
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.
- National Research Center for Hematology, Moscow, 125167, Russia
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26
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Abdeladhim M, Karnell JL, Rieder SA. In or out of control: Modulating regulatory T cell homeostasis and function with immune checkpoint pathways. Front Immunol 2022; 13:1033705. [PMID: 36591244 PMCID: PMC9799097 DOI: 10.3389/fimmu.2022.1033705] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/16/2022] [Indexed: 12/16/2022] Open
Abstract
Regulatory T cells (Tregs) are the master regulators of immunity and they have been implicated in different disease states such as infection, autoimmunity and cancer. Since their discovery, many studies have focused on understanding Treg development, differentiation, and function. While there are many players in the generation and function of truly suppressive Tregs, the role of checkpoint pathways in these processes have been studied extensively. In this paper, we systematically review the role of different checkpoint pathways in Treg homeostasis and function. We describe how co-stimulatory and co-inhibitory pathways modulate Treg homeostasis and function and highlight data from mouse and human studies. Multiple checkpoint pathways are being targeted in cancer and autoimmunity; therefore, we share insights from the clinic and discuss the effect of experimental and approved therapeutics on Treg biology.
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27
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Asashima H, Axisa PP, Pham THG, Longbrake EE, Ruff WE, Lele N, Cohen I, Raddassi K, Sumida TS, Hafler DA. Impaired TIGIT expression on B cells drives circulating follicular helper T cell expansion in multiple sclerosis. J Clin Invest 2022; 132:156254. [PMID: 36250467 PMCID: PMC9566906 DOI: 10.1172/jci156254] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 08/25/2022] [Indexed: 11/17/2022] Open
Abstract
B cell depletion in patients with relapsing-remitting multiple sclerosis (RRMS) markedly prevents new MRI-detected lesions and disease activity, suggesting the hypothesis that altered B cell function leads to the activation of T cells driving disease pathogenesis. Here, we performed comprehensive analyses of CD40 ligand- (CD40L-) and IL-21-stimulated memory B cells from patients with MS and healthy age-matched controls, modeling the help of follicular helper T cells (Tfh cells), and found a differential gene expression signature in multiple B cell pathways. Most striking was the impaired TIGIT expression on MS-derived B cells mediated by dysregulation of the transcription factor TCF4. Activated circulating Tfh cells (cTfh cells) expressed CD155, the ligand of TIGIT, and TIGIT on B cells revealed their capacity to suppress the proliferation of IL-17-producing cTfh cells via the TIGIT/CD155 axis. Finally, CCR6+ cTfh cells were significantly increased in patients with MS, and their frequency was inversely correlated with that of TIGIT+ B cells. Together, these data suggest that the dysregulation of negative feedback loops between TIGIT+ memory B cells and cTfh cells in MS drives the activated immune system in this disease.
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28
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Cherukuri A, Rothstein DM. Regulatory and transitional B cells: potential biomarkers and therapeutic targets in organ transplantation. Curr Opin Organ Transplant 2022; 27:385-391. [PMID: 35950881 PMCID: PMC9474638 DOI: 10.1097/mot.0000000000001010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF THE REVIEW Regulatory B cells (Bregs) play a prominent role in various disease settings. While progress has been hindered by the lack of a specific Breg marker, new findings highlight their role modulating the alloimmune response and promoting allograft survival. RECENT FINDINGS Herein, we focus on the recent advances in Breg biology and their role in transplantation. We review studies showing that T-cell immunoglobulin and mucin domain 1 (TIM-1) is an inclusive and functional Breg marker in mice that may have human relevance. We highlight the utility of the B cell interleukin-10/tumor necrosis factor-alpha (IL-10/TNFα) ratio in identifying underlying immunological reactivity and predicting clinical outcomes in kidney transplantation. This may identify patients requiring more immunosuppression and provide insight into potential therapeutic approaches that can modulate the Breg: B effector cell (Beff) balance. SUMMARY Emerging data support Bregs as potent modulators of immune responses in humans. Their ability to promote allograft survival must await development of approaches to expand Bregs in vitro/in vivo . The low IL-10/TNFα ratio reflecting decreased Breg/Beff balance, predicts acute rejection (AR) and poorer outcomes in renal transplantation. It remains to be determined whether this paradigm can be extended to other allografts and whether therapy aiming to correct the relative deficiency of Bregs will improve outcomes.
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Affiliation(s)
- Aravind Cherukuri
- Thomas E Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Renal and Electrolyte Division, Department of Medicine, University of Pittsburgh, PA, USA
| | - David M. Rothstein
- Thomas E Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Renal and Electrolyte Division, Department of Medicine, University of Pittsburgh, PA, USA
- Department of Immunology, University of Pittsburgh, PA, USA
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29
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Matsumura Y, Watanabe R, Fujimoto M. Suppressive mechanisms of regulatory B cells in mice and humans. Int Immunol 2022; 35:55-65. [PMID: 36153768 PMCID: PMC9918854 DOI: 10.1093/intimm/dxac048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 09/23/2022] [Indexed: 11/14/2022] Open
Abstract
B cells include immune-suppressive fractions, called regulatory B cells (Bregs), which regulate inflammation primarily through an interleukin 10 (IL-10)-mediated inhibitory mechanism. Several B-cell fractions have been reported as IL-10-producing Bregs in murine disease models and human inflammatory responses including autoimmune diseases, infectious diseases, cancer and organ-transplant rejection. Although the suppressive functions of Bregs have been explored through the hallmark molecule IL-10, inhibitory cytokines and membrane-binding molecules other than IL-10 have also been demonstrated to contribute to Breg activities. Transcription factors and surface antigens that are characteristically expressed in Bregs are also being elucidated. Nevertheless, defining Bregs is still challenging because their active periods and differentiation stages vary among disease models. The identity of the diverse Breg fractions is also under debate. In the first place, since regulatory functions of Bregs are mostly evaluated by ex vivo stimulation, the actual in vivo phenotypes and functions may not be reflected by the ex vivo observations. In this article, we provide a historical overview of studies that established the characteristics of Bregs and review the various suppressive mechanisms that have been reported to be used by Bregs in murine and human disease conditions. We are only part-way through but the common phenotypes and functions of Bregs are still emerging.
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Affiliation(s)
- Yutaka Matsumura
- Department of Dermatology, Graduate School of Medicine, Faculty of Medicine, Osaka University, Osaka, 565-0871, Japan
| | - Rei Watanabe
- Department of Dermatology, Graduate School of Medicine, Faculty of Medicine, Osaka University, Osaka, 565-0871, Japan,Department of Integrative Medicine for Allergic and Immunological Diseases, Graduate School of Medicine/Faculty of Medicine, Osaka University, Osaka, 565-0871, Japan
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30
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Li S, Li L, Pan T, Li X, Tong Y, Jin Y. Prognostic value of TIGIT in East Asian patients with solid cancers: A systematic review, meta-analysis and pancancer analysis. Front Immunol 2022; 13:977016. [PMID: 36211383 PMCID: PMC9532506 DOI: 10.3389/fimmu.2022.977016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
Background T-cell immunoreceptor with Ig and ITIM domains (TIGIT) participates in tumor immune escape by delivering inhibitory signals to T cells. The purpose of this article was to assess the prognostic value of TIGIT and its immunological function in solid cancers. Methods Three databases were searched for relevant articles. The main endpoints were overall survival (OS), progression-free survival (PFS), recurrence-free survival (RFS), and disease-free survival (DFS). Hazard ratios (HR) were pooled by using fixed-effects or random-effects models. Pancancer analysis of TIGIT was performed based on public online databases, mainly The Cancer Genome Atlas (TCGA), Genotype-Tissue Expression (GTEx), and UCSC Xena. The possible relationships between TIGIT expression and the tumor microenvironment (TME), infiltration of immune cells, immune-related genes, tumor mutation burden (TMB), and microsatellite instability (MSI) were revealed in this article. Results Sixteen studies met the inclusion criteria. High expression of TIGIT was associated with worse OS [HR= 1.73, 95% confidence interval (CI) 1.50, 1.99], PFS (HR = 1.53, 95% CI [1.25, 1.88]), RFS (HR = 2.40, 95% CI [1.97, 2.93]), and DFS (HR= 6.57, 95% CI [0.73, 59.16]) in East Asian patients with solid cancers. TIGIT expression was positively correlated with immune infiltration scores and infiltration of CD8 T lymphocytes in all of the cancers included. TIGIT was found to be coexpressed with the genes encoding immunostimulators, immunoinhibitors, chemokines, chemokine receptors, and major histocompatibility complex (MHC), especially in gastroesophageal cancer. TMB and MSI were also associated with TIGIT upregulation in diverse kinds of cancers. Conclusion High expression of TIGIT is associated with poorer prognosis in East Asian patients with solid cancers. TIGIT is a novel prognostic biomarker and immunotherapeutic target for various solid cancers because of its activity in cancer immunity and tumorigenesis.
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Affiliation(s)
- Sicong Li
- School of Pharmacy, Peking University Health Science Centre, Beijing, China
| | - Lanxing Li
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Tianyan Pan
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoqun Li
- Center of Disease Prevention Treatment, The Third Affiliated Hospital of Beijing University of Chinese Medicine, Beijing, China
| | - Yujia Tong
- Institute of Medical Information, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Yongdong Jin
- Department of Medical Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- *Correspondence: Yongdong Jin,
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Lomakin YA, Zvyagin IV, Ovchinnikova LA, Kabilov MR, Staroverov DB, Mikelov A, Tupikin AE, Zakharova MY, Bykova NA, Mukhina VS, Favorov AV, Ivanova M, Simaniv T, Rubtsov YP, Chudakov DM, Zakharova MN, Illarioshkin SN, Belogurov AA, Gabibov AG. Deconvolution of B cell receptor repertoire in multiple sclerosis patients revealed a delay in tBreg maturation. Front Immunol 2022; 13:803229. [PMID: 36052064 PMCID: PMC9425031 DOI: 10.3389/fimmu.2022.803229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundB lymphocytes play a pivotal regulatory role in the development of the immune response. It was previously shown that deficiency in B regulatory cells (Bregs) or a decrease in their anti-inflammatory activity can lead to immunological dysfunctions. However, the exact mechanisms of Bregs development and functioning are only partially resolved. For instance, only a little is known about the structure of their B cell receptor (BCR) repertoires in autoimmune disorders, including multiple sclerosis (MS), a severe neuroinflammatory disease with a yet unknown etiology. Here, we elucidate specific properties of B regulatory cells in MS.MethodsWe performed a prospective study of the transitional Breg (tBreg) subpopulations with the CD19+CD24highCD38high phenotype from MS patients and healthy donors by (i) measuring their content during two diverging courses of relapsing-remitting MS: benign multiple sclerosis (BMS) and highly active multiple sclerosis (HAMS); (ii) analyzing BCR repertoires of circulating B cells by high-throughput sequencing; and (iii) measuring the percentage of CD27+ cells in tBregs.ResultsThe tBregs from HAMS patients carry the heavy chain with a lower amount of hypermutations than tBregs from healthy donors. The percentage of transitional CD24highCD38high B cells is elevated, whereas the frequency of differentiated CD27+ cells in this transitional B cell subset was decreased in the MS patients as compared with healthy donors.ConclusionsImpaired maturation of regulatory B cells is associated with MS progression.
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Affiliation(s)
- Yakov A. Lomakin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
| | - Ivan V. Zvyagin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
| | - Leyla A. Ovchinnikova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
| | - Marsel R. Kabilov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch Russian Academy of Sciences (RAS), Novosibirsk, Russia
| | - Dmitriy B. Staroverov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
| | - Artem Mikelov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
- Skolkovo Institute of Science and Technology, Moscow, Russia
| | - Alexey E. Tupikin
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch Russian Academy of Sciences (RAS), Novosibirsk, Russia
| | - Maria Y. Zakharova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
- Department of Molecular Technologies, Institute of Translational Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Nadezda A. Bykova
- Institute for Information Transmission Problems (Kharkevich Institute), Russian Academy of Sciences (RAS), Moscow, Russia
| | - Vera S. Mukhina
- Institute for Information Transmission Problems (Kharkevich Institute), Russian Academy of Sciences (RAS), Moscow, Russia
- Vavilov Institute of General Genetics, Russian Academy of Sciences (RAS), Moscow, Russia
| | - Alexander V. Favorov
- Vavilov Institute of General Genetics, Russian Academy of Sciences (RAS), Moscow, Russia
- Quantitative Sciences Division, Department of Oncology, Johns Hopkins University, Baltimore, MD, United States
| | - Maria Ivanova
- Neuroinfection Department of the Research Center of Neurology, Moscow, Russia
| | - Taras Simaniv
- Neuroinfection Department of the Research Center of Neurology, Moscow, Russia
| | - Yury P. Rubtsov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
| | - Dmitriy M. Chudakov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
- Department of Molecular Technologies, Institute of Translational Medicine, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Maria N. Zakharova
- Neuroinfection Department of the Research Center of Neurology, Moscow, Russia
| | | | - Alexey A. Belogurov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
- Department of Biological Chemistry, Evdokimov Moscow State University of Medicine and Dentistry, Moscow, Russia
- *Correspondence: Alexey A. Belogurov Jr., ; Alexander G. Gabibov,
| | - Alexander G. Gabibov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences (RAS), Moscow, Russia
- Department of Life Sciences, Higher School of Economics, Moscow, Russia
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia
- *Correspondence: Alexey A. Belogurov Jr., ; Alexander G. Gabibov,
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Liu H, Wu J, Xu X, Wang H, Zhang C, Yin S, He Y. Peritumoral TIGIT+CD20+ B cell infiltration indicates poor prognosis but favorable adjuvant chemotherapeutic response in gastric cancer. Int Immunopharmacol 2022; 108:108735. [DOI: 10.1016/j.intimp.2022.108735] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/19/2022] [Accepted: 03/23/2022] [Indexed: 01/13/2023]
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Yue C, Gao S, Li S, Xing Z, Qian H, Hu Y, Wang W, Hua C. TIGIT as a Promising Therapeutic Target in Autoimmune Diseases. Front Immunol 2022; 13:911919. [PMID: 35720417 PMCID: PMC9203892 DOI: 10.3389/fimmu.2022.911919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/13/2022] [Indexed: 12/19/2022] Open
Abstract
Co-inhibitory receptors (IRs) are molecules that protect host against autoimmune reactions and maintain peripheral self-tolerance, playing an essential role in maintaining immune homeostasis. In view of the substantial clinical progresses of negative immune checkpoint blockade in cancer treatment, the role of IRs in autoimmune diseases is also obvious. Several advances highlighted the substantial impacts of T cell immunoglobulin and ITIM domain (TIGIT), a novel IR, in autoimmunity. Blockade of TIGIT pathway exacerbates multiple autoimmune diseases, whereas enhancement of TIGIT function has been shown to alleviate autoimmune settings in mice. These data suggested that TIGIT pathway can be manipulated to achieve durable tolerance to treat autoimmune disorders. In this review, we provide an overview of characteristics of TIGIT and its role in autoimmunity. We then discuss recent approaches and future directions to leverage our knowledge of TIGIT as therapeutic target in autoimmune diseases.
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Affiliation(s)
- Chenran Yue
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Sheng Gao
- Laboratory Animal Center, Wenzhou Medical University, Wenzhou, China
| | - Shuting Li
- School of the Second Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhouhang Xing
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hengrong Qian
- School of the Second Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ying Hu
- School of the Second Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Wenqian Wang
- Department of Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chunyan Hua
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
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Ex vivo-expanded human CD19 +TIM-1 + regulatory B cells suppress immune responses in vivo and are dependent upon the TIM-1/STAT3 axis. Nat Commun 2022; 13:3121. [PMID: 35660734 PMCID: PMC9166804 DOI: 10.1038/s41467-022-30613-z] [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: 04/05/2017] [Accepted: 05/05/2022] [Indexed: 02/07/2023] Open
Abstract
Regulatory B cells (Breg) are a heterogenous population with immune-modulating functions. The rarity of human IL-10+ Breg makes translational studies difficult. Here we report ex vivo expansion of human B cells with in vivo regulatory function (expBreg). CD154-stimulation of human CD19+ B cells drives >900-fold expansion of IL-10+ B cells that is maintained in culture for 14 days. Whilst expBreg-mediated suppressive function is partially dependent on IL-10 expression, CRISPR-mediated gene deletions demonstrate predominant roles for TIM-1 and CD154. TIM-1 regulates STAT3 signalling and modulates downstream suppressive function. In a clinically relevant humanised mouse model of skin transplantation, expBreg prolongs human allograft survival. Meanwhile, CD19+CD73-CD25+CD71+TIM-1+CD154+ Breg cells are enriched in the peripheral blood of human donors with cutaneous squamous cell carcinoma (SCC). TIM-1+ and pSTAT3+ B cells are also identified in B cell clusters within histological sections of human cutaneous SCC tumours. Our findings thus provide insights on Breg homoeostasis and present possible targets for Breg-related therapies.
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35
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Wang D, Gu Y, Yan X, Huo C, Wang G, Zhao Y, Teng M, Li Y. Role of CD155/TIGIT in Digestive Cancers: Promising Cancer Target for Immunotherapy. Front Oncol 2022; 12:844260. [PMID: 35433470 PMCID: PMC9005749 DOI: 10.3389/fonc.2022.844260] [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: 01/11/2022] [Accepted: 03/04/2022] [Indexed: 12/19/2022] Open
Abstract
The tumor microenvironment restricts the function and survival of various immune cells by up-regulating inhibitory immune checkpoints, and participates in the immune escape of tumors. The development of immunotherapies targeting immune checkpoints, such as programmed cell death receptor 1 antibody and anti-cytotoxic T lymphocyte-associated antigen 4 antibody, has provided many options for cancer treatment. The efficacy of other immune checkpoint inhibitors is also under development and research. Among them, T cell immunoreceptor with Ig and ITIM domains (TIGIT) has shown excellent clinical application prospects. Correspondingly, poliovirus receptor (PVR, CD155), one of the main ligands of TIGIT, is mainly expressed in various human malignant tumors and myeloid cells. CD155 interacts with TIGIT on natural killer cells and T cells, mediating inhibitory immunomodulatory regulation. This study summarized the mechanism of CD155/TIGIT in regulating immune cells and its role in the occurrence and development of digestive system tumors, aiming to provide a new perspective for immunotherapy of digestive cancers.
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Affiliation(s)
- Daijun Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Yanmei Gu
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Xin Yan
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Chengdong Huo
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Guan Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China
| | - Yang Zhao
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Muzhou Teng
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
| | - Yumin Li
- The Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, China.,Key Laboratory of Digestive System Tumors of Gansu Province, Second Hospital of Lanzhou University, Lanzhou, China
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Glass MC, Glass DR, Oliveria JP, Mbiribindi B, Esquivel CO, Krams SM, Bendall SC, Martinez OM. Human IL-10-producing B cells have diverse states that are induced from multiple B cell subsets. Cell Rep 2022; 39:110728. [PMID: 35443184 PMCID: PMC9107325 DOI: 10.1016/j.celrep.2022.110728] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 02/13/2022] [Accepted: 03/31/2022] [Indexed: 02/04/2023] Open
Abstract
Regulatory B cells (Bregs) suppress immune responses through the secretion of interleukin-10 (IL-10). This immunomodulatory capacity holds therapeutic potential, yet a definitional immunophenotype for enumeration and prospective isolation of B cells capable of IL-10 production remains elusive. Here, we simultaneously quantify cytokine production and immunophenotype in human peripheral B cells across a range of stimulatory conditions and time points using mass cytometry. Our analysis shows that multiple functional B cell subsets produce IL-10 and that no phenotype uniquely identifies IL-10+ B cells. Further, a significant portion of IL-10+ B cells co-express the pro-inflammatory cytokines IL-6 and tumor necrosis factor alpha (TNFα). Despite this heterogeneity, operationally tolerant liver transplant recipients have a unique enrichment of IL-10+, but not TNFα+ or IL-6+, B cells compared with transplant recipients receiving immunosuppression. Thus, human IL-10-producing B cells constitute an induced, transient state arising from a diversity of B cell subsets that may contribute to maintenance of immune homeostasis.
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Affiliation(s)
- Marla C Glass
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | - David R Glass
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; Immunology Graduate Program, Stanford University, Stanford, CA, USA
| | - John-Paul Oliveria
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA; Department of Medicine, Division of Respirology, McMaster University, Hamilton, ON, Canada
| | - Berenice Mbiribindi
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | - Carlos O Esquivel
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Sheri M Krams
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | - Sean C Bendall
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Olivia M Martinez
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA; Immunology, Stanford University School of Medicine, Stanford, CA, USA.
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Bandaru SS, Boyilla R, Merchant N, Nagaraju GP, El-Rayes B. Targeting T regulatory cells: their role in colorectal carcinoma progression and current clinical trials. Pharmacol Res 2022; 178:106197. [DOI: 10.1016/j.phrs.2022.106197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 10/18/2022]
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Identification of Potential Immune Checkpoint Inhibitor Targets in Gliomas via Bioinformatic Analyses. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1734847. [PMID: 35198632 PMCID: PMC8860561 DOI: 10.1155/2022/1734847] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 12/23/2021] [Accepted: 01/29/2022] [Indexed: 02/07/2023]
Abstract
Background. Glioma is a common tumor originating from the glial cells of the brain. Immune checkpoint inhibitors can potentially be used to treat gliomas, although no drug is currently approved. Methods. The expression levels of the immune checkpoint genes in glioma and normal tissues, and their correlation with the IDH mutation status and complete 1p/19q codeletion, were analyzed using The Cancer Genome Atlas (TCGA) and the Chinese Glioma Genome Atlas (CGGA) databases. Survival analyses were conducted using the CGGA database. Protein-protein interaction and functional enrichment analyses were performed via the STRING database using GO, KEGG, and Reactome pathways. The correlation between the immune checkpoints and the immune cell infiltration was determined using the TISIDB and TIMER databases. Results. HAVCR2 was overexpressed in the gliomas compared to normal brain tissues, as well as in the high-grade glioma patients and significantly downregulated in IDH mutant or 1p/19q codeletion patients. Overexpression of HAVCR2 was associated with poor survival in tumor grades II, III, and IV and was the most correlated with immune infiltration of B and T cells. Conclusion. HAVCR2 can be a potential therapeutic target for cancer immunotherapy for glioma patients.
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Garcia SG, Sandoval-Hellín N, Franquesa M. Regulatory B Cell Therapy in Kidney Transplantation. Front Pharmacol 2021; 12:791450. [PMID: 34950041 PMCID: PMC8689004 DOI: 10.3389/fphar.2021.791450] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/22/2021] [Indexed: 01/22/2023] Open
Abstract
In the context of kidney injury, the role of Bregs is gaining interest. In a number of autoimmune diseases, the number and/or the function of Bregs has been shown to be impaired or downregulated, therefore restoring their balance might be a potential therapeutic tool. Moreover, in the context of kidney transplantation their upregulation has been linked to tolerance. However, a specific marker or set of markers that define Bregs as a unique cell subset has not been found and otherwise multiple phenotypes of Bregs have been studied. A quest on the proper markers and induction mechanisms is now the goal of many researchers. Here we summarize the most recent evidence on the role of Bregs in kidney disease by describing the relevance of in vitro and in vivo Bregs induction as well as the potential use of Bregs as cell therapy agents in kidney transplantation.
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Affiliation(s)
- Sergio G Garcia
- REMAR-IGTP Group, Germans Trias i Pujol Research Institute (IGTP) and Nephrology Department, University Hospital Germans Trias i Pujol (HUGTiP), Can Ruti Campus, Badalona (Barcelona), Catalonia, Spain.,Department of Cell Biology, Physiology and Immunology, Autonomous University of Barcelona, Bellaterra, Spain
| | - Noelia Sandoval-Hellín
- REMAR-IGTP Group, Germans Trias i Pujol Research Institute (IGTP) and Nephrology Department, University Hospital Germans Trias i Pujol (HUGTiP), Can Ruti Campus, Badalona (Barcelona), Catalonia, Spain
| | - Marcella Franquesa
- REMAR-IGTP Group, Germans Trias i Pujol Research Institute (IGTP) and Nephrology Department, University Hospital Germans Trias i Pujol (HUGTiP), Can Ruti Campus, Badalona (Barcelona), Catalonia, Spain
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40
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Holder KA, Burt K, Grant MD. TIGIT blockade enhances NK cell activity against autologous HIV-1-infected CD4 + T cells. Clin Transl Immunology 2021; 10:e1348. [PMID: 34707863 PMCID: PMC8527024 DOI: 10.1002/cti2.1348] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 09/21/2021] [Accepted: 09/27/2021] [Indexed: 12/17/2022] Open
Abstract
Objectives During chronic human immunodeficiency virus (HIV)‐1 infection, inhibitory molecules upregulated on lymphocytes contribute to effector cell dysfunction and immune exhaustion. People living with HIV (PLWH) are at greater risk for age‐related morbidities, an issue magnified by human cytomegalovirus (CMV) coinfection. As CMV infection modifies natural killer (NK) cell properties and NK cells contribute to protection against HIV‐1 infection, we considered the role of T‐cell immunoreceptor with immunoglobulin and intracellular tyrosine inhibitory motif domains (TIGIT) in NK cell‐based HIV‐1 immunotherapy and elimination strategies. Methods We measured TIGIT expression on immune cell subsets of 95 PLWH and assessed its impact on NK cell function, including elimination of autologous CD4+ T cells infected through reactivation of endogenous HIV‐1. Results TIGIT was expressed on CD4+ T cells, CD8+ T cells and NK cells from PLWH. Although TIGIT levels on T cells correlated with HIV‐1 disease progression, the extent of TIGIT expression on NK cells more closely paralleled adaptation to CMV. TIGIT interacts with its predominant ligand, poliovirus receptor (PVR), to inhibit effector cell functions. Circulating CD4+ T cells from PLWH more frequently expressed PVR than HIV‐seronegative controls, and PVR expression was enriched in CD4+ T cells replicating HIV‐1 ex vivo. Treatment with anti‐TIGIT monoclonal antibodies increased NK cell HIV‐1‐specific antibody‐dependent cytotoxicity in vitro and ex vivo. Conclusion Blocking TIGIT may be an effective strategy to invigorate antibody‐dependent NK cell activity against HIV‐1 activated in cellular reservoirs for cure or treatment strategies.
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Affiliation(s)
- Kayla A Holder
- Immunology and Infectious Diseases Program Division of BioMedical Sciences Faculty of Medicine Memorial University of Newfoundland St. John's NL Canada
| | | | - Michael D Grant
- Immunology and Infectious Diseases Program Division of BioMedical Sciences Faculty of Medicine Memorial University of Newfoundland St. John's NL Canada
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Gu S, Qian L, Zhang Y, Chen K, Li Y, Wang J, Wang P. Significance of intratumoral infiltration of B cells in cancer immunotherapy: From a single cell perspective. Biochim Biophys Acta Rev Cancer 2021; 1876:188632. [PMID: 34626740 DOI: 10.1016/j.bbcan.2021.188632] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/15/2021] [Accepted: 09/30/2021] [Indexed: 12/12/2022]
Abstract
Immunotherapy for cancer has provided new treatment approaches for malignant tumors, but there are low rates of response and high rates of resistance. The most recent sequencing method which is called single-cell RNA sequencing(scRNA-seq) determines the transcriptome at the single cell level, which allows high-resolution dynamic monitoring of the tumor microenvironment (TME) during immunotherapy. As an important part of humoral immunity, tumor-infiltrated B cells have been reported to have distinct functions in anti-tumor immunity, which are characterized by their RNA transcriptome, membrane surface receptors, and immunoglobulin secretion, suggesting great immunotherapeutic effects. On the basis of the important roles of B cells in immunotherapy reported in recent publications, we discuss the tumor-infiltrated B cells' subpopulations, differentiation trajectory, and interactions with other cells in the TME in this review, hoping to illustrate its significance in potential clinical application as biomarkers and therapeutic targets.
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Affiliation(s)
- Sijia Gu
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Ling Qian
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yalei Zhang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Kun Chen
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Ye Li
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Jia Wang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Peng Wang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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Chong AS, Sage PT, Alegre ML. Regulation of Alloantibody Responses. Front Cell Dev Biol 2021; 9:706171. [PMID: 34307385 PMCID: PMC8297544 DOI: 10.3389/fcell.2021.706171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 06/07/2021] [Indexed: 12/14/2022] Open
Abstract
The control of alloimmunity is essential to the success of organ transplantation. Upon alloantigen encounter, naïve alloreactive T cells not only differentiate into effector cells that can reject the graft, but also into T follicular helper (Tfh) cells that promote the differentiation of alloreactive B cells that produce donor-specific antibodies (DSA). B cells can exacerbate the rejection process through antibody effector functions and/or B cell antigen-presenting functions. These responses can be limited by immune suppressive mechanisms mediated by T regulatory (Treg) cells, T follicular regulatory (Tfr) cells, B regulatory (Breg) cells and a newly described tolerance-induced B (TIB) cell population that has the ability to suppress de novo B cells in an antigen-specific manner. Transplantation tolerance following costimulation blockade has revealed mechanisms of tolerance that control alloreactive T cells through intrinsic and extrinsic mechanisms, but also inhibit alloreactive B cells. Thus, the control of both arms of adaptive immunity might result in more robust tolerance, one that may withstand more severe inflammatory challenges. Here, we review new findings on the control of B cells and alloantibody production in the context of transplant rejection and tolerance.
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Affiliation(s)
- Anita S. Chong
- Section of Transplantation, Department of Surgery, University of Chicago, Chicago, IL, United States
| | - Peter T. Sage
- Renal Division, Transplantation Research Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Maria-Luisa Alegre
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL, United States
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