1
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Liu S, Ji F, Ding Y, Ding B, Feng S, Brennick C, Lin H, Zhang T, Shen Y. VISTA: A promising target for overcoming immune evasion in gynecologic cancers. Int Immunopharmacol 2024; 138:112655. [PMID: 38986302 DOI: 10.1016/j.intimp.2024.112655] [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: 04/30/2024] [Revised: 06/28/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
Immune checkpoint blockade (ICB) therapy has revolutionized cancer treatment but has shown limited efficacy in gynecologic cancers. VISTA (V-domain Ig suppressor of T-cell activation), a member of the B7 family, is emerging as another checkpoint that regulates the anti-tumor immune responses within the tumor microenvironment. This paper reviews the structure, expression, and mechanism of action of VISTA. Furthermore, it highlights recent advances in VISTA-blocking therapies and their potential in improving outcomes for patients with gynecologic cancers. By understanding the role of VISTA in mediating the immune evasion of gynecologic tumors, we can develop more effective combinatory treatment strategies that could overcome resistance to current ICB therapies.
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Affiliation(s)
- Sicong Liu
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210003, China
| | - Feng Ji
- Department of Clinical Science and Research, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yue Ding
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210003, China
| | - Bo Ding
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210003, China
| | - Songwei Feng
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210003, China
| | - Cory Brennick
- Department of Immunobiology, Yale University, New Haven, CT 06511, USA
| | - Hao Lin
- Department of Clinical Science and Research, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.
| | - Tianxiang Zhang
- Department of Immunobiology, Yale University, New Haven, CT 06511, USA.
| | - Yang Shen
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210003, China.
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2
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Cui N, Xu X, Zhou F. Single-cell technologies in psoriasis. Clin Immunol 2024; 264:110242. [PMID: 38750947 DOI: 10.1016/j.clim.2024.110242] [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: 09/25/2023] [Revised: 03/30/2024] [Accepted: 05/01/2024] [Indexed: 05/24/2024]
Abstract
Psoriasis is a chronic and recurrent inflammatory skin disorder. The primary manifestation of psoriasis arises from disturbances in the cutaneous immune microenvironment, but the specific functions of the cellular components within this microenvironment remain unknown. Recent advancements in single-cell technologies have enabled the detection of multi-omics at the level of individual cells, including single-cell transcriptome, proteome, and metabolome, which have been successfully applied in studying autoimmune diseases, and other pathologies. These techniques allow the identification of heterogeneous cell clusters and their varying contributions to disease development. Considering the immunological traits of psoriasis, an in-depth exploration of immune cells and their interactions with cutaneous parenchymal cells can markedly advance our comprehension of the mechanisms underlying the onset and recurrence of psoriasis. In this comprehensive review, we present an overview of recent applications of single-cell technologies in psoriasis, aiming to improve our understanding of the underlying mechanisms of this disorder.
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Affiliation(s)
- Niannian Cui
- First School of Clinical Medicine, Anhui Medical University, Hefei 230032, China
| | - Xiaoqing Xu
- Department of Dermatology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230031, China; Institute of Dermatology, Anhui Medical University, Hefei, Anhui 230022, China; The Key Laboratory of Dermatology, Ministry of Education, Anhui Medical University, Hefei, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, Anhui 230022, China
| | - Fusheng Zhou
- Department of Dermatology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230031, China; Institute of Dermatology, Anhui Medical University, Hefei, Anhui 230022, China; The Key Laboratory of Dermatology, Ministry of Education, Anhui Medical University, Hefei, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, Anhui 230022, China.
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3
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Li S, Wang G, Ren Y, Liu X, Wang Y, Li J, Liu H, Yang J, Xing J, Zhang Y, He C, Xu S, Hou X, Li N. Expression and function of VISTA on myeloid cells. Biochem Pharmacol 2024; 222:116100. [PMID: 38428824 DOI: 10.1016/j.bcp.2024.116100] [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: 10/23/2023] [Revised: 02/04/2024] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
V-domain containing Ig Suppressor of T cell Activation (VISTA) is predominantly expressed on myeloid cells and functions as a ligand/receptor/soluble molecule. In inflammatory responses and immune responses, VISTA regulates multiple functions of myeloid cells, such as chemotaxis, phagocytosis, T cell activation. Since inflammation and immune responses are critical in many diseases, VISTA is a promising therapeutic target. In this review, we will describe the expression and function of VISTA on different myeloid cells, including neutrophils, monocytes, macrophages, dendritic cells (DCs), myeloid-derived suppressor cells (MDSCs). In addition, we will discuss whether the functions of VISTA on these cells impact the disease processing.
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Affiliation(s)
- Siyu Li
- Health Science Center, Ningbo University, Ningbo, China.
| | - Geng Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yan Ren
- Health Science Center, Ningbo University, Ningbo, China.
| | - Xinyue Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yixuan Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Jianing Li
- Health Science Center, Ningbo University, Ningbo, China.
| | - Hua Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Jiaqiang Yang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Jingjun Xing
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yanru Zhang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Canxia He
- Health Science Center, Ningbo University, Ningbo, China.
| | - Suling Xu
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Xin Hou
- Health Science Center, Ningbo University, Ningbo, China.
| | - Na Li
- Health Science Center, Ningbo University, Ningbo, China; Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
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4
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Di JW, Wang YX, Ma RX, Luo ZJ, Chen WT, Liu WM, Yuan DY, Zhang YY, Wu YH, Chen CP, Liu J. Repositioning baloxavir marboxil as VISTA agonist that ameliorates experimental asthma. Cell Biol Toxicol 2024; 40:12. [PMID: 38340268 PMCID: PMC10858940 DOI: 10.1007/s10565-024-09852-x] [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: 11/14/2023] [Accepted: 01/26/2024] [Indexed: 02/12/2024]
Abstract
V-type immunoglobulin domain-containing suppressor of T-cell activation (VISTA), a novel negative checkpoint regulator, plays an essential role in allergic pulmonary inflammation in mice. Treatment with a VISTA agonistic antibody could significantly improve asthma symptoms. Thus, for allergic asthma treatment, VISTA targeting may be a compelling approach. In this study, we examined the functional mechanism of VISTA in allergic pulmonary inflammation and screened the FDA-approved drugs for VISTA agonists. By using mass cytometry (CyTOF), we found that VISTA deficiency primarily increased lung macrophage infiltration in the OVA-induced asthma model, accompanied by an increased proportion of M1 macrophages (CD11b+F4/80+CD86+) and a decreased proportion of M2 macrophages (CD11b+F4/80+CD206+). Further in vitro studies showed that VISTA deficiency promoted M1 polarization and inhibited M2 polarization of bone marrow-derived macrophages (BMDMs). Importantly, we discovered baloxavir marboxil (BXM) as a VISTA agonist by virtual screening of FDA-approved drugs. The surface plasmon resonance (SPR) assays revealed that BXM (KD = 1.07 µM) as well as its active form, baloxavir acid (BXA) (KD = 0.21 µM), could directly bind to VISTA with high affinity. Notably, treatment with BXM significantly ameliorated asthma symptoms, including less lung inflammation, mucus secretion, and the generation of Th2 cytokines (IL-5, IL-13, and IL-4), which were dramatically attenuated by anti-VISTA monoclonal antibody treatment. BXM administration also reduced the pulmonary infiltration of M1 macrophages and raised M2 macrophages. Collectively, our study indicates that VISTA regulates pulmonary inflammation in allergic asthma by regulating macrophage polarization and baloxavir marboxil, and an old drug might be a new treatment for allergic asthma through targeting VISTA.
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Affiliation(s)
- Jian-Wen Di
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Yi-Xin Wang
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Rui-Xue Ma
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Zhi-Jie Luo
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Wen-Ting Chen
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Wan-Mei Liu
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Ding-Yi Yuan
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Yu-Ying Zhang
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Yin-Hao Wu
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China
| | - Cai-Ping Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
- Chongqing Innovation Institute of China Pharmaceutical University, Chongqing, 401135, China.
| | - Jun Liu
- New Drug Screening Center, China Pharmaceutical University, Nanjing, 210009, China.
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Shekari N, Shanehbandi D, Kazemi T, Zarredar H, Baradaran B, Jalali SA. VISTA and its ligands: the next generation of promising therapeutic targets in immunotherapy. Cancer Cell Int 2023; 23:265. [PMID: 37936192 PMCID: PMC10631023 DOI: 10.1186/s12935-023-03116-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 10/27/2023] [Indexed: 11/09/2023] Open
Abstract
V-domain immunoglobulin suppressor of T cell activation (VISTA) is a novel negative checkpoint receptor (NCR) primarily involved in maintaining immune tolerance. It has a role in the pathogenesis of autoimmune disorders and cancer and has shown promising results as a therapeutic target. However, there is still some ambiguity regarding the ligands of VISTA and their interactions with each other. While V-Set and Immunoglobulin domain containing 3 (VSIG-3) and P-selectin glycoprotein ligand-1(PSGL-1) have been extensively studied as ligands for VISTA, the others have received less attention. It seems that investigating VISTA ligands, reviewing their functions and roles, as well as outcomes related to their interactions, may allow an understanding of their full functionality and effects within the cell or the microenvironment. It could also help discover alternative approaches to target the VISTA pathway without causing related side effects. In this regard, we summarize current evidence about VISTA, its related ligands, their interactions and effects, as well as their preclinical and clinical targeting agents.
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Affiliation(s)
- Najibeh Shekari
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Tohid Kazemi
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Habib Zarredar
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Seyed Amir Jalali
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Díaz-García E, García-Sánchez A, Alfaro E, López-Fernández C, Mañas E, Cano-Pumarega I, López-Collazo E, García-Río F, Cubillos-Zapata C. PSGL-1: a novel immune checkpoint driving T-cell dysfunction in obstructive sleep apnea. Front Immunol 2023; 14:1277551. [PMID: 37854605 PMCID: PMC10579800 DOI: 10.3389/fimmu.2023.1277551] [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: 08/14/2023] [Accepted: 09/12/2023] [Indexed: 10/20/2023] Open
Abstract
Introduction Although higher incidence of cancer represents a major burden for obstructive sleep apnea (OSA) patients, the molecular pathways driving this association are not completely understood. Recently, the adhesion receptor P-selectin glycoprotein-1 (PSGL 1) has been identified as a novel immune checkpoint, which are recognized major hallmarks in several types of cancer and have revolutionized cancer therapy. Methods The expression of PSGL-1 and its ligands VISTA and SIGLEC-5 was assessed in the leucocytes of OSA patients and control subjects exploring the role of intermittent hypoxia (IH) using in vitro models. In addition, PSGL-1 impact on T-cells function was evaluated by ex vivo models. Results Data showed PSGL-1 expression is upregulated in the T-lymphocytes from patients with severe OSA, indicating a relevant role of hypoxemia mediated by intermittent hypoxia. Besides, results suggest an inhibitory role of PSGL-1 on T-cell proliferation capacity. Finally, the expression of SIGLEC-5 but not VISTA was increased in monocytes from OSA patients, suggesting a regulatory role of intermittent hypoxia. Discussion In conclusion, PSGL-1 might constitute an additional immune checkpoint leading to T-cell dysfunction in OSA patients, contributing to the disruption of immune surveillance, which might provide biological plausibility to the higher incidence and aggressiveness of several tumors in these patients.
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Affiliation(s)
- Elena Díaz-García
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Respiratory Diseases Group, Respiratory Diseases Department, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
| | - Aldara García-Sánchez
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Servicio de Neumología, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Enrique Alfaro
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Respiratory Diseases Group, Respiratory Diseases Department, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
| | - Cristina López-Fernández
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Respiratory Diseases Group, Respiratory Diseases Department, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
| | - Eva Mañas
- Servicio de Neumología, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | | | - Eduardo López-Collazo
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- The Innate Immune Response Group, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
| | - Francisco García-Río
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Respiratory Diseases Group, Respiratory Diseases Department, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
- Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
| | - Carolina Cubillos-Zapata
- Biomedical Research Networking Centre on Respiratory Diseases (CIBERES), Madrid, Spain
- Respiratory Diseases Group, Respiratory Diseases Department, Hospital La Paz Institute for Health Research – IdiPAZ, Madrid, Spain
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7
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Noelle RJ, Lines JL, Lewis LD, Martell RE, Guillaudeux T, Lee SW, Mahoney KM, Vesely MD, Boyd-Kirkup J, Nambiar DK, Scott AM. Clinical and research updates on the VISTA immune checkpoint: immuno-oncology themes and highlights. Front Oncol 2023; 13:1225081. [PMID: 37795437 PMCID: PMC10547146 DOI: 10.3389/fonc.2023.1225081] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 08/21/2023] [Indexed: 10/06/2023] Open
Abstract
Immune checkpoints limit the activation of the immune system and serve an important homeostatic function but can also restrict immune responses against tumors. Inhibition of specific immune checkpoint proteins such as the B7:CD28 family members programmed cell death protein-1 (PD-1) and cytotoxic T-lymphocyte antigen-4 (CTLA-4) has transformed the treatment of various cancers by promoting the anti-tumor activation of immune cells. In contrast to these effects, the V-domain immunoglobulin suppressor of T-cell activation (VISTA) regulates the steady state of the resting immune system and promotes homeostasis by mechanisms distinct from PD-1 and CTLA-4. The effects of VISTA blockade have been shown to include a decrease in myeloid suppression coupled with proinflammatory changes by mechanisms that are separate and distinct from other immune checkpoint proteins; in some preclinical studies these immune effects appear synergistic. Given the potential benefits of VISTA blockade in the context of cancer therapy, the second Annual VISTA Symposium was convened virtually on September 23, 2022, to review new research from investigators and immuno-oncology experts. Discussions in the meeting extended the knowledge of VISTA biology and the effects of VISTA inhibition, particularly on cells of the myeloid lineage and resting T cells, as three candidate anti-VISTA antibodies are in, or nearing, clinical development.
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Affiliation(s)
- Randolph J. Noelle
- ImmuNext Inc., Lebanon, NH, United States
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - J. Louise Lines
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Lionel D. Lewis
- Section of Clinical Pharmacology, Department of Medicine, Geisel School of Medicine at Dartmouth and Dartmouth Cancer Center, Hanover, NH, United States
| | - Robert E. Martell
- Curis, Inc., Lexington, MA, United States
- Division of Hematology/Oncology, Tufts Medical Center, Boston, MA, United States
| | | | - Sam W. Lee
- Yale University School of Medicine, New Haven, CT, United States
| | - Kathleen M. Mahoney
- Department of Medical, Division of Medical Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States
| | - Matthew D. Vesely
- Department of Dermatology, Yale School of Medicine, New Haven, CT, United States
| | | | - Dhanya K. Nambiar
- Department of Radiation Oncology, Stanford School of Medicine, Stanford, CA, United States
| | - Andrew M. Scott
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Melbourne, VIC, Australia
- Department of Molecular Imaging and Therapy, Austin Health and Faculty of Medicine, University of Melbourne, Melbourne, VIC, Australia
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8
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Zheng M, Zhang Z, Yu L, Wang Z, Dong Y, Tong A, Yang H. Immune-checkpoint protein VISTA in allergic, autoimmune disease and transplant rejection. Front Immunol 2023; 14:1194421. [PMID: 37435070 PMCID: PMC10330820 DOI: 10.3389/fimmu.2023.1194421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/30/2023] [Indexed: 07/13/2023] Open
Abstract
Negative checkpoint regulators (NCRs) reduce the T cell immune response against self-antigens and limit autoimmune disease development. V-domain Ig suppressor of T cell activation (VISTA), a novel immune checkpoint in the B7 family, has recently been identified as one of the NCRs. VISTA maintains T cell quiescence and peripheral tolerance. VISTA targeting has shown promising results in treating immune-related diseases, including cancer and autoimmune disease. In this review, we summarize and discuss the immunomodulatory role of VISTA, its therapeutic potential in allergic, autoimmune disease, and transplant rejection, as well as the current therapeutic antibodies, to present a new method for regulating immune responses and achieving durable tolerance for the treatment of autoimmune disease and transplantation.
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Affiliation(s)
- Meijun Zheng
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Zongliang Zhang
- State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Lingyu Yu
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Zeng Wang
- State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Yijun Dong
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Aiping Tong
- State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Hui Yang
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
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9
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Schaafsma E, Croteau W, Mohamed E, Nowak EC, Smits NC, Deng J, Sarde A, Webber CA, Rabadi D, Cheng C, Noelle R, Lines JL. VISTA Targeting of T-cell Quiescence and Myeloid Suppression Overcomes Adaptive Resistance. Cancer Immunol Res 2023; 11:38-55. [PMID: 36260656 PMCID: PMC10544831 DOI: 10.1158/2326-6066.cir-22-0116] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/18/2022] [Accepted: 10/14/2022] [Indexed: 01/05/2023]
Abstract
V domain immunoglobulin suppressor of T-cell activation (VISTA) is a premier target for cancer treatment due to its broad expression in many cancer types and enhanced expression upon development of adaptive immune checkpoint resistance. In the CT26 colorectal cancer model, monotherapy of small tumors with anti-VISTA resulted in slowed tumor growth. In a combination therapy setting, large CT26 tumors showed complete adaptive resistance to anti-PD-1/CTLA-4, but inclusion of anti-VISTA led to rejection of half the tumors. Mechanisms of enhanced antitumor immunity were investigated using single-cell RNA sequencing (scRNA-seq), multiplex image analysis, and flow cytometry of the tumor immune infiltrate. In both treatment models, anti-VISTA upregulated stimulated antigen presentation pathways and reduced myeloid-mediated suppression. Imaging revealed an anti-VISTA stimulated increase in contacts between T cells and myeloid cells, further supporting the notion of increased antigen presentation. scRNA-seq of tumor-specific CD8+ T cells revealed that anti-VISTA therapy induced T-cell pathways highly distinct from and complementary to those induced by anti-PD-1 therapy. Whereas anti-CTLA-4/PD-1 expanded progenitor exhausted CD8+ T-cell subsets, anti-VISTA promoted costimulatory genes and reduced regulators of T-cell quiescence. Notably, this is the first report of a checkpoint regulator impacting CD8+ T-cell quiescence, and the first indication that quiescence may be a target in the context of T-cell exhaustion and in cancer. This study builds a foundation for all future studies on the role of anti-VISTA in the development of antitumor immunity and provides important mechanistic insights that strongly support use of anti-VISTA to overcome the adaptive resistance seen in contemporary treatments involving PD-1 and/or CTLA-4. See related Spotlight by Wei, p. 3.
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Affiliation(s)
- Evelien Schaafsma
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Walburga Croteau
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - ElTanbouly Mohamed
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY, 10065, USA
| | - Elizabeth C. Nowak
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Nicole C. Smits
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Jie Deng
- University of California, Los Angeles. Department of Radiation Oncology
| | - Aurelien Sarde
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | | | - Dina Rabadi
- Department of Biological Sciences, Dartmouth College, Hanover, NH, USA
| | - Chao Cheng
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Randolph Noelle
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - J. Louise Lines
- Department of Microbiology and Immunology, Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
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10
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Mortezaee K, Majidpoor J, Najafi S. VISTA immune regulatory effects in bypassing cancer immunotherapy: Updated. Life Sci 2022; 310:121083. [DOI: 10.1016/j.lfs.2022.121083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/04/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022]
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11
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Hemmatzadeh M, Ahangar Parvin E, Mohammadi H, Azizi G, Shomali N, Jadidi-Niaragh F. The role of immune regulatory molecules in rheumatoid arthritis: Implication for etiopathogenesis and prospective for treatment. J Cell Physiol 2022; 237:3541-3553. [PMID: 35938550 DOI: 10.1002/jcp.30855] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 06/20/2022] [Accepted: 07/25/2022] [Indexed: 11/10/2022]
Abstract
Rheumatoid arthritis (RA) is considered an autoimmune chronic disorder and the most common inflammatory arthropathy. Disease progression in RA begins with asymptomatic autoimmune responses in cases with a genetic or environmental predisposition, that alters to arthralgia phase as autoantibodies reach the joints and subjects begin demonstrating nonspecific musculoskeletal presentations lacking any clinical symptoms of synovial inflammation. After that, patients' symptoms develop to undifferentiated arthritis (UA)/idiopathic arthritis (IA) whenever the subjects progress to clinical synovitis systemic comorbidities affecting the vasculature, metabolism, and bone, and eventually with augmented immune cell infiltration, IA/UA patients progress to clinically classifiable RA. RA is mainly correlated with different immune cells and each of them contributes variously to the pathogenesis of the disease. The pathogenesis of RA is altered by the contribution of both T and B cells in an autoimmune irregularity. Modulation of the immune responses occurs through regulatory and inhibitory molecules that control activation of the adaptive system as well as immune hemostasis. To confine the exorbitant T cell-associated inflammatory reactions, the immune system provides a system of inhibitory feedbacks, collectively named immune checkpoints. In this review, we aimed to discuss about inhibitory members of immune checkpoint molecules, including programmed cell death 1 (PD-1)/PD-L1, cytotoxic-T-lymphocyte-antigen-4, lymphocyte activation gene-3, T cell immunoglobulin-3, V-domain Ig suppressor of T cell activation, B- and T-lymphocyte attenuator, and T cell immunoglobulin and ITIM domain and their role in RA.
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Affiliation(s)
- Maryam Hemmatzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Ahangar Parvin
- Department of Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Navid Shomali
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farhad Jadidi-Niaragh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
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12
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Mostböck S, Wu HH, Fenn T, Riegler B, Strahlhofer S, Huang Y, Hansen G, Kroe-Barrett R, Tirapu I, Vogt AB. Distinct immune stimulatory effects of anti-human VISTA antibodies are determined by Fc-receptor interaction. Front Immunol 2022; 13:862757. [PMID: 35967294 PMCID: PMC9367637 DOI: 10.3389/fimmu.2022.862757] [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: 01/26/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
VISTA (PD-1H) is an immune regulatory molecule considered part of the next wave of immuno-oncology targets. VISTA is an immunoglobulin (Ig) superfamily cell surface molecule mainly expressed on myeloid cells, and to some extent on NK cells and T cells. In previous preclinical studies, some VISTA-targeting antibodies provided immune inhibitory signals, while other antibodies triggered immune stimulatory signals. Importantly, for therapeutic antibodies, the isotype backbone can have a strong impact on antibody function. To elucidate the mode of action of immune stimulatory anti-VISTA antibodies, we studied three different anti-human VISTA antibody clones, each on three different IgG isotypes currently used for therapeutic antibodies: unaltered IgG1 (IgG1-WT), IgG1-KO (IgG1-LL234,235AA-variant with reduced Fc-effector function), and IgG4-Pro (IgG4- S228P-variant with stabilized hinge region). Antibody functionality was analysed in mixed leukocyte reaction (MLR) of human peripheral blood mononuclear cells (PBMCs), as a model system for ongoing immune reactions, on unstimulated human PBMCs, as a model system for a resting immune system, and also on acute myeloid leukemia (AML) patient samples to evaluate anti-VISTA antibody effects on primary tumor material. The functions of three anti-human VISTA antibodies were determined by their IgG isotype backbones. An MLR of healthy donor PBMCs was effectively augmented by anti-VISTA-IgG4-Pro and anti-VISTA-IgG1-WT antibodies, as indicated by increased levels of cytokines, T cell activation markers and T cell proliferation. However, in a culture of unstimulated PBMCs of single healthy donors, only anti-VISTA-IgG1-WT antibodies increased the activation marker HLA-DR on resting myeloid cells, and chemokine levels. Interestingly, interactions with different Fc-receptors were required for these effects, namely CD64 for augmentation of MLR, and CD16 for activation of resting myeloid cells. Furthermore, anti-VISTA-IgG1-KO antibodies had nearly no impact in any model system. Similarly, in AML patient samples, anti-VISTA-antibody on IgG4-Pro backbone, but not on IgG1-KO backbone, increased interactions, as a novel readout of activity, between immune cells and CD34+ AML cancer cells. In conclusion, the immune stimulatory effects of antagonistic anti-VISTA antibodies are defined by the antibody isotype and interaction with different Fc-gamma-receptors, highlighting the importance of understanding these interactions when designing immune stimulatory antibody therapeutics for immuno-oncology applications.
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Affiliation(s)
- Sven Mostböck
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
- *Correspondence: Sven Mostböck,
| | - Helen Haixia Wu
- Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Timothy Fenn
- Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Bettina Riegler
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Susanne Strahlhofer
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Yining Huang
- Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Gale Hansen
- Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Rachel Kroe-Barrett
- Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Iñigo Tirapu
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Anne B. Vogt
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
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13
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Hu L, Chen L, Xiao Z, Zheng X, Chen Y, Xian N, Cho C, Luo L, Huang G, Chen L. Ablation of T cell-associated PD-1H enhances functionality and promotes adoptive immunotherapy. JCI Insight 2021; 7:148247. [PMID: 34905507 PMCID: PMC8855794 DOI: 10.1172/jci.insight.148247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 12/08/2021] [Indexed: 11/17/2022] Open
Abstract
Programmed death-1 homolog (PD-1H) is a co-inhibitory molecule that negatively regulates T cell-mediated immune responses. In this study, we determined whether ablation of T cell-associated PD-1H could enhance adoptive T cell therapy in experimental tumor models. The expression of PD-1H is up-regulated in activated and tumor-infiltrating CD8+ T cells. Activated CD8+ T cells from PD-1H deficient (KO) mice exhibited increased cell proliferation, cytokine production and anti-tumor activity in vitro. Adoptive transfer of PD-1H-KO CD8+ T cells resulted in the regression of established syngeneic mouse tumors. Similar results were obtained when PD-1H was ablated in T cells by CRISPR/Cas9-mediated gene silencing. Furthermore, ablation of PD-1H in CAR-T cells significantly improved their anti-tumor activity against human xenografts in vivo. Our results indicate that T cell-associated PD-1H could suppress immunity in the tumor microenvironment and targeting PD-1H may improve T cell adoptive immunotherapy.
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Affiliation(s)
- Li Hu
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China
| | - Ling Chen
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China
| | - Zexiu Xiao
- Laboratory of Immunotherapy, Sun Yat-sen University, Guangzhou, China
| | - Xu Zheng
- Laboratory of Immunotherapy, Sun Yat-sen University, Guangzhou, China
| | - Yuangui Chen
- Department of Radiation Oncology, Fujian Medical University, Fuzhou, China
| | - Na Xian
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China
| | - Christina Cho
- Department of Immunobiology, Yale University, New Haven, United States of America
| | - Liqun Luo
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China
| | - Gangxiong Huang
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China
| | - Lieping Chen
- Department of Immunobiology, Yale University, New Haven, United States of America
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14
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Yang F, Zhang Y, Chen Z, Zhang L. VISTA Blockade Aggravates Bone Loss in Experimental Murine Apical Periodontitis. Front Immunol 2021; 12:738586. [PMID: 34691045 PMCID: PMC8529274 DOI: 10.3389/fimmu.2021.738586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 09/24/2021] [Indexed: 11/19/2022] Open
Abstract
V-domain Ig suppressor of T cell activation (VISTA) is a novel coinhibitory immune checkpoint molecule that maintains immune homeostasis. The present study explored the role of VISTA in human and murine inflammatory tissues of apical periodontitis (AP). VISTA was upregulated in inflammatory tissues of human AP. In mice, the expression of VISTA gradually increased with the development of mouse experimental apical periodontitis (MAP), the CD3+ T cells, CD11b+ myeloid cells, and FOXP3+ regulatory T cells also gradually accumulated. Moreover, a blockade of VISTA using a mouse in vivo anti-VISTA antibody aggravated periapical bone loss and enhanced the infiltration of immune cells in an experimental mouse periapical periodontitis model. The collective results suggest that VISTA serves as a negative regulator of the development and bone loss of apical periodontitis.
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Affiliation(s)
- Fuhua Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yifei Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhi Chen
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
- Department of Endodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Lu Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
- Department of Endodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
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15
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Hosseinkhani N, Derakhshani A, Shadbad MA, Argentiero A, Racanelli V, Kazemi T, Mokhtarzadeh A, Brunetti O, Silvestris N, Baradaran B. The Role of V-Domain Ig Suppressor of T Cell Activation (VISTA) in Cancer Therapy: Lessons Learned and the Road Ahead. Front Immunol 2021; 12:676181. [PMID: 34093577 PMCID: PMC8172140 DOI: 10.3389/fimmu.2021.676181] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/29/2021] [Indexed: 12/12/2022] Open
Abstract
Immune checkpoints (ICs) have pivotal roles in regulating immune responses. The inhibitory ICs in the tumor microenvironment (TME) have been implicated in the immune evasion of tumoral cells. Therefore, identifying and targeting these inhibitory ICs might be critical for eliminating tumoral cells. V-domain immunoglobulin suppressor of T cell activation (VISTA) is a novel inhibitory IC that is expressed on myeloid cells, lymphoid cells, and tumoral cells; therefore, VISTA can substantially regulate innate and adaptive anti-tumoral immune responses. Besides, growing evidence indicates that VISTA blockade can enhance the sensitivity of tumoral cells to conventional IC-based immunotherapy, e.g., cytotoxic T lymphocyte antigen 4 (CTLA-4) inhibitors. In this regard, the current study aimed to review the current evidence about the structure and expression pattern of VISTA, its role in TME, the clinicopathological significance of VISTA, and its prognostic values in various cancers. Besides, this review intended to collect the lessons from the recent pre-clinical and clinical studies and propose a strategy to overcome tumor immune-resistance states.
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Affiliation(s)
- Negar Hosseinkhani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Afshin Derakhshani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Tumori "Giovanni Paolo II" of Bari, Bari, Italy
| | - Mahdi Abdoli Shadbad
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Antonella Argentiero
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Tumori "Giovanni Paolo II" of Bari, Bari, Italy
| | - Vito Racanelli
- Department of Biomedical Sciences and Human Oncology, Aldo Moro University of Bari, Bari, Italy
| | - Tohid Kazemi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Oronzo Brunetti
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Tumori "Giovanni Paolo II" of Bari, Bari, Italy
| | - Nicola Silvestris
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Tumori "Giovanni Paolo II" of Bari, Bari, Italy.,Department of Biomedical Sciences and Human Oncology, Aldo Moro University of Bari, Bari, Italy
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
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16
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Greisen SR, Deleuran B. Checkpoint Molecules in Rheumatology-or the Benefits of Being Exhausted. Curr Rheumatol Rep 2021; 23:22. [PMID: 33651184 DOI: 10.1007/s11926-021-00991-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2021] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW This review will focus on the most common co-inhibitory molecules, emphasizing the importance of these in relation to rheumatic disease. RECENT FINDINGS Checkpoint molecules are pivotal in determining the outcome of antigen activation. Checkpoint molecules consist of co-stimulatory and co-inhibitory molecules, where the first activates and the latter inhibits the antigen presentation process. Studies show that increased activity of co-inhibitory molecules is associated with a good prognosis in rheumatic diseases. Opposite, when cancer patients are treated with antibodies blocking the inhibitory pathways, autoimmune diseases, including arthritis, develop as immune-related adverse events (IrAE). This emphasizes the importance of these pathways in autoimmune disease. Co-inhibitory molecules are becoming increasingly interesting as future treatment targets in rheumatic conditions. Treatments with antibodies blocking these pathways result in IrAE, often manifesting as autoimmune rheumatic diseases. Therefore, a need to get acquainted with these molecules is growing so we can cope with future challenges in rheumatic diseases.
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Affiliation(s)
- Stinne Ravn Greisen
- Department of Biomedicine, Aarhus University, Skou-building, C.F. Møllers Alle 6, DK-8000, Aarhus C, Denmark. .,Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark.
| | - Bent Deleuran
- Department of Biomedicine, Aarhus University, Skou-building, C.F. Møllers Alle 6, DK-8000, Aarhus C, Denmark.,Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
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17
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Hu X, Qie C, Jiang J, Xie X, Chen W, Liu W, Liu J. M351-0056 is a novel low MW compound modulating the actions of the immune-checkpoint protein VISTA. Br J Pharmacol 2021; 178:1445-1458. [PMID: 33450048 PMCID: PMC9328666 DOI: 10.1111/bph.15357] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 10/13/2020] [Accepted: 12/20/2020] [Indexed: 01/29/2023] Open
Abstract
Background and Purpose The protein V‐domain immunoglobulin suppressor of T‐cell activation (VISTA) is a novel immune‐checkpoint molecule that belongs to the B7 family and regulates a broad spectrum of immune responses. So far, low MW compounds targeting VISTA for the treatment of autoimmune diseases or inflammation, have not been identified. Experimental Approach We developed a homology modelling for VISTA 3D structure and subsequent virtual screening for low MW ligands binding to VISTA. Visualization of the binding postures of docked ligands with protein VISTA indicated that compound M351‐0056 targeted VISTA. The biological activities of compound M351‐0056 targeting VISTA were investigated in vitro using monocytes and T cells and in vivo, using mice with imiquimod‐induced dermatitis. Key Results The KD value of M351‐0056 for human VISTA‐extracellular domain was 12.60 ± 3.84 μM as assessed by microscale thermophoresis. M351‐0056 decreased cytokine secretion from PBMCs or human CD4+ T cells, suppressed proliferation of PBMCs and enhanced expression of Foxp3+ T cells. These effects of M351‐0056 modulating VISTA involved the JAK2–STAT2 pathway. Daily administration of M351‐0056 ameliorated imiquimod‐induced psoriasis‐like dermatitis. Expression of mRNA and protein of inflammatory cytokines in psoriatic lesions was decreased after M351‐0056 treatment. Conclusion and Implications The compound M351‐0056 showed high affinity for VISTA and may modulate its immune function in vitro and in vivo. Our finding provides a lead compound for therapeutically enhancing VISTA‐mediated pathways to benefit the treatment of autoimmune diseases or inflammation.
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Affiliation(s)
- Xinlei Hu
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Chenxin Qie
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Jingwei Jiang
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xiaoxue Xie
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Wenting Chen
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Wanmei Liu
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Jun Liu
- Jiangsu Key Lab of Drug Screening, China Pharmaceutical University, Nanjing, China
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18
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ElTanbouly MA, Zhao Y, Schaafsma E, Burns CM, Mabaera R, Cheng C, Noelle RJ. VISTA: A Target to Manage the Innate Cytokine Storm. Front Immunol 2021; 11:595950. [PMID: 33643285 PMCID: PMC7905033 DOI: 10.3389/fimmu.2020.595950] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
In recent years, the success of immunotherapy targeting immunoregulatory receptors (immune checkpoints) in cancer have generated enthusiastic support to target these receptors in a wide range of other immune related diseases. While the overwhelming focus has been on blockade of these inhibitory pathways to augment immunity, agonistic triggering via these receptors offers the promise of dampening pathogenic inflammatory responses. V-domain Ig suppressor of T cell activation (VISTA) has emerged as an immunoregulatory receptor with constitutive expression on both the T cell and myeloid compartments, and whose agonistic targeting has proven a unique avenue relative to other checkpoint pathways to suppress pathologies mediated by the innate arm of the immune system. VISTA agonistic targeting profoundly changes the phenotype of human monocytes towards an anti-inflammatory cell state, as highlighted by striking suppression of the canonical markers CD14 and Fcγr3a (CD16), and the almost complete suppression of both the interferon I (IFN-I) and antigen presentation pathways. The insights from these very recent studies highlight the impact of VISTA agonistic targeting of myeloid cells, and its potential therapeutic implications in the settings of hyperinflammatory responses such as cytokine storms, driven by dysregulated immune responses to viral infections (with a focus on COVID-19) and autoimmune diseases. Collectively, these findings suggest that the VISTA pathway plays a conserved, non-redundant role in myeloid cell function.
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Affiliation(s)
- Mohamed A. ElTanbouly
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Yanding Zhao
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Evelien Schaafsma
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | | | - Rodwell Mabaera
- Department of Medicine, Norris Cotton Cancer Center, Lebanon, NH, United States
| | - Chao Cheng
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, United States
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, United States
| | - Randolph J. Noelle
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
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19
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Novel human immunomodulatory T cell receptors and their double-edged potential in autoimmunity, cardiovascular disease and cancer. Cell Mol Immunol 2020; 18:919-935. [PMID: 33235388 DOI: 10.1038/s41423-020-00586-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/28/2020] [Indexed: 12/15/2022] Open
Abstract
In the last decade, approaches based on T cells and their immunomodulatory receptors have emerged as a solid improvement in treatments for various types of cancer. However, the roles of these molecules in the therapeutic context of autoimmune and cardiovascular diseases are still relatively unexplored. Here, we review the best known and most commonly used immunomodulatory T cell receptors in clinical practice (PD-1 and CTLA-4), along with the rest of the receptors with known functions in animal models, which have great potential as modulators in human pathologies in the medium term. Among these other receptors is the receptor CD69, which has recently been described to be expressed in mouse and human T cells in autoimmune and cardiovascular diseases and cancer. However, inhibition of these receptors individually or in combination by drugs or monoclonal antibodies generates a loss of immunological tolerance and can trigger multiple autoimmune disorders in different organs and immune-related adverse effects. In the coming decades, knowledge on the functions of different immunomodulatory receptors will be pivotal for the development of new and better therapies with less harmful side effects. In this review, we discuss the roles of these receptors in the control of immunity from a perspective focused on therapeutic potential in not only cancer but also autoimmune diseases, such as systemic lupus erythematosus, autoimmune diabetes and rheumatoid arthritis, and cardiovascular diseases, such as atherosclerosis, acute myocardial infarction, and myocarditis.
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20
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ElTanbouly MA, Schaafsma E, Smits NC, Shah P, Cheng C, Burns C, Blazar BR, Noelle RJ, Mabaera R. VISTA Re-programs Macrophage Biology Through the Combined Regulation of Tolerance and Anti-inflammatory Pathways. Front Immunol 2020; 11:580187. [PMID: 33178206 PMCID: PMC7593571 DOI: 10.3389/fimmu.2020.580187] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 09/08/2020] [Indexed: 12/20/2022] Open
Abstract
We present the novel finding that V-domain Ig suppressor of T cell activation (VISTA) negatively regulates innate inflammation through the transcriptional and epigenetic re-programming of macrophages. Representative of VISTA re-programming is the ability of VISTA agonistic antibodies to augment LPS tolerance and reduce septic shock lethality in mice. This anti-inflammatory effect of anti-VISTA was mimicked in vitro demonstrating that anti-VISTA treatment caused a significant reduction in LPS-induced IL-12p40, IL-6, CXCL2, and TNF; all hallmark pro-inflammatory mediators of endotoxin shock. Even under conditions that typically “break” LPS tolerance, VISTA agonists sustained a macrophage anti-inflammatory profile. Analysis of the proteomic and transcriptional changes imposed by anti-VISTA show that macrophage re-programming was mediated by a composite profile of mediators involved in both macrophage tolerance induction (IRG1, miR221, A20, IL-10) as well as transcription factors central to driving an anti-inflammatory profile (e.g., IRF5, IRF8, NFKB1). These findings underscore a novel and new activity of VISTA as a negative checkpoint regulator that induces both tolerance and anti-inflammatory programs in macrophages and controls the magnitude of innate inflammation in vivo.
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Affiliation(s)
- Mohamed A ElTanbouly
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Evelien Schaafsma
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Nicole C Smits
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Parth Shah
- Department of Medicine, Dartmouth Hitchcock Medical Center, Lebanon, NH, United States
| | - Chao Cheng
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Christopher Burns
- Department of Medicine, Dartmouth Hitchcock Medical Center, Lebanon, NH, United States
| | - Bruce R Blazar
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States
| | - Randolph J Noelle
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Rodwell Mabaera
- Department of Medicine, Dartmouth Hitchcock Medical Center, Lebanon, NH, United States
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21
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Han X, Vesely MD, Yang W, Sanmamed MF, Badri T, Alawa J, López-Giráldez F, Gaule P, Lee SW, Zhang JP, Nie X, Nassar A, Boto A, Flies DB, Zheng L, Kim TK, Moeckel GW, McNiff JM, Chen L. PD-1H (VISTA)-mediated suppression of autoimmunity in systemic and cutaneous lupus erythematosus. Sci Transl Med 2020; 11:11/522/eaax1159. [PMID: 31826980 DOI: 10.1126/scitranslmed.aax1159] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 08/21/2019] [Accepted: 11/15/2019] [Indexed: 12/13/2022]
Abstract
Systemic lupus erythematosus (SLE) and discoid lupus erythematosus (DLE) of the skin are autoimmune diseases characterized by inappropriate immune responses against self-proteins; the key elements that determine disease pathogenesis and progression are largely unknown. Here, we show that mice lacking immune inhibitory receptor VISTA or programmed death-1 homolog (PD-1H KO) on a BALB/c background spontaneously develop cutaneous and systemic autoimmune diseases resembling human lupus. Cutaneous lupus lesions of PD-1H KO mice have clustering of plasmacytoid dendritic cells (pDCs) similar to human DLE. Using mass cytometry, we identified proinflammatory neutrophils as critical early immune infiltrating cells within cutaneous lupus lesions of PD-1H KO mice. We also found that PD-1H is highly expressed on immune cells in human SLE, DLE lesions, and cutaneous lesions of MRL/lpr mice. A PD-1H agonistic monoclonal antibody in MRL/lpr mice reduces cutaneous disease, autoantibodies, inflammatory cytokines, chemokines, and immune cell expansion. Furthermore, PD-1H on both T cells and myeloid cells including neutrophils and pDCs could transmit inhibitory signals, resulting in reduced activation and function, establishing PD-1H as an inhibitory receptor on T cells and myeloid cells. On the basis of these findings, we propose that PD-1H is a critical element in the pathogenesis and progression of lupus, and PD-1H activation could be effective for treatment of systemic and cutaneous lupus.
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Affiliation(s)
- Xue Han
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Matthew D Vesely
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA.,Department of Dermatology, Yale University, New Haven, CT 06520, USA
| | - Wendy Yang
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Miguel F Sanmamed
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Ti Badri
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Jude Alawa
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Francesc López-Giráldez
- Department of Genetics, Yale University, New Haven, CT 06520, USA.,Yale Center for Genome Analysis, Yale University, New Haven, CT 06477, USA
| | - Patricia Gaule
- Department of Pathology, Yale University, New Haven, CT 06520, USA
| | - Sang Won Lee
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Jian-Ping Zhang
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Xinxin Nie
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Ala Nassar
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Agedi Boto
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA.,Department of Pathology, Yale University, New Haven, CT 06520, USA
| | - Dallas B Flies
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Linghua Zheng
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA
| | - Tae Kon Kim
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA.,Department of Medicine, Yale University, New Haven, CT 06520, USA
| | | | - Jennifer M McNiff
- Department of Dermatology, Yale University, New Haven, CT 06520, USA.,Department of Pathology, Yale University, New Haven, CT 06520, USA
| | - Lieping Chen
- Department of Immunobiology, Yale University, New Haven, CT 06520, USA. .,Department of Dermatology, Yale University, New Haven, CT 06520, USA.,Department of Medicine, Yale University, New Haven, CT 06520, USA
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22
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Tham EL, Freeley SJ, Bearder S, Barros FF, Cragg MS, Mócsai A, Robson MG. VISTA deficiency protects from immune complex-mediated glomerulonephritis by inhibiting neutrophil activation. J Autoimmun 2020; 113:102501. [PMID: 32586651 DOI: 10.1016/j.jaut.2020.102501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/19/2020] [Accepted: 05/31/2020] [Indexed: 11/23/2022]
Abstract
V-type immunoglobulin domain-containing suppressor of T-cell activation (VISTA) is a negative checkpoint regulator of T cells. We assessed VISTA deficient mice in the murine nephrotoxic nephritis models of acute and chronic immune-complex mediated glomerulonephritis. We show that VISTA deficiency protects from crescentic glomerulonephritis, with no effect on the nephritogenic adaptive immune response. The early neutrophil influx was unaffected but proteinuria was reduced suggesting a reduction in neutrophil activation. In vivo, there was reduced neutrophil degranulation in VISTA deficienct mice and, in vitro, VISTA-deficient neutrophils had an impaired response to immune complexes but not to fMLP or PMA. Mice with a genetic deficiency of neutrophils due to myeloid-specific deletion of myeloid cell leukemia 1 (Mcl-1) were also protected from crescentic glomerulonephritis, indicating an essential role for neutrophils. Therefore, VISTA deficiency inhibits neutrophil activation by immune complexes and neutrophil-dependent crescentic glomerulonephritis. This suggests that VISTA is a therapeutic target for inflammatory disease. However, this would need to be balanced against a potential enhancing effect on autoimmunity.
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Affiliation(s)
- El Li Tham
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom
| | - Simon J Freeley
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom
| | - Siobhan Bearder
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom
| | - Fernanda Florez Barros
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom
| | - Mark S Cragg
- Antibody and Vaccine Group, Cancer Sciences Unit, Faculty of Medicine, University of Southampton, United Kingdom
| | - Attila Mócsai
- Department of Physiology, Semmelweis University, School of Medicine, Budapest, Hungary
| | - Michael G Robson
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom.
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23
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Exploring the VISTA of microglia: immune checkpoints in CNS inflammation. J Mol Med (Berl) 2020; 98:1415-1430. [PMID: 32856125 PMCID: PMC7525281 DOI: 10.1007/s00109-020-01968-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/13/2020] [Accepted: 08/17/2020] [Indexed: 12/21/2022]
Abstract
Negative checkpoint regulators (NCR) are intensely pursued as targets to modulate the immune response in cancer and autoimmunity. A large variety of NCR is expressed by central nervous system (CNS)-resident cell types and is associated with CNS homeostasis, interactions with peripheral immunity and CNS inflammation and disease. Immunotherapy blocking NCR affects the CNS as patients can develop neurological issues including encephalitis and multiple sclerosis (MS). How these treatments affect the CNS is incompletely understood, since expression and function of NCR in the CNS are only beginning to be unravelled. V-type immunoglobulin-like suppressor of T cell activation (VISTA) is an NCR that is expressed primarily in the haematopoietic system by myeloid and T cells. VISTA regulates T cell quiescence and activation and has a variety of functions in myeloid cells including efferocytosis, cytokine response and chemotaxis. In the CNS, VISTA is predominantly expressed by microglia and macrophages of the CNS. In this review, we summarize the role of NCR in the CNS during health and disease. We highlight expression of VISTA across cell types and CNS diseases and discuss the function of VISTA in microglia and during CNS ageing, inflammation and neurodegeneration. Understanding the role of VISTA and other NCR in the CNS is important considering the adverse effects of immunotherapy on the CNS, and in view of their therapeutic potential in CNS disease.
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24
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ElTanbouly MA, Croteau W, Noelle RJ, Lines JL. VISTA: a novel immunotherapy target for normalizing innate and adaptive immunity. Semin Immunol 2020; 42:101308. [PMID: 31604531 DOI: 10.1016/j.smim.2019.101308] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Indexed: 12/22/2022]
Abstract
V-domain Ig suppressor of T cell activation (VISTA) is a novel checkpoint regulator with limited homology to other B7 family members. The constitutive expression of VISTA on both the myeloid and T lymphocyte lineages coupled to its important role in regulating innate and adaptive immune responses, qualifies VISTA to be a promising target for immunotherapeutic intervention. Studies have shown differential impact of agonistic and antagonistic targeting of VISTA, providing a unique landscape for influencing the outcome of cancer and inflammatory diseases.
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Affiliation(s)
- Mohamed A ElTanbouly
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, United States
| | - Walburga Croteau
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, United States
| | - Randolph J Noelle
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, United States; Immunext Corp., Lebanon, NH, United States.
| | - J Louise Lines
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, United States.
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25
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Wang G, Tai R, Wu Y, Yang S, Wang J, Yu X, Lei L, Shan Z, Li N. The expression and immunoregulation of immune checkpoint molecule VISTA in autoimmune diseases and cancers. Cytokine Growth Factor Rev 2020; 52:1-14. [DOI: 10.1016/j.cytogfr.2020.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 12/24/2022]
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26
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Barrueto L, Caminero F, Cash L, Makris C, Lamichhane P, Deshmukh RR. Resistance to Checkpoint Inhibition in Cancer Immunotherapy. Transl Oncol 2020; 13:100738. [PMID: 32114384 PMCID: PMC7047187 DOI: 10.1016/j.tranon.2019.12.010] [Citation(s) in RCA: 166] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/16/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023] Open
Abstract
The interaction of the host immune system with tumor cells in the tissue microenvironment is essential in understanding tumor immunity and development of successful cancer immunotherapy. The presence of lymphocytes in tumors is highly correlated with an improved outcome. T cells have a set of cell surface receptors termed immune checkpoints that when activated suppress T cell function. Upregulation of immune checkpoint receptors such as programmed cell death 1 (PD-1) and cytotoxic T lymphocyte associated protein 4 (CTLA-4) occurs during T cell activation in an effort to prevent damage from an excessive immune response. Immune checkpoint inhibitors allow the adaptive immune system to respond to tumors more effectively. There has been clinical success in different types of cancer blocking immune checkpoint receptors such as PD-1 and CTLA. However, relapse has occurred. The innate and acquired/therapy induced resistance to treatment has been encountered. Aberrant cellular signal transduction is a major contributing factor to resistance to immunotherapy. Combination therapies with other co-inhibitory immune checkpoints such as TIM-3, LAG3 and VISTA are currently being tested to overcome resistance to cancer immunotherapy. Expression of TIM-3 has been associated with resistance to PD-1 blockade and combined blockade of TIM-3 and PD-1 has demonstrated improved responses in preclinical models. LAG3 blockade has the potential to increase the responsiveness of cytotoxic T-cells to tumors. Furthermore, tumors that were found to express VISTA had an increased rate of growth due to the T cell suppression. The growing understanding of the inhibitory immune checkpoints’ ligand biology, signaling mechanisms, and T-cell suppression in the tumor microenvironment continues to fuel preclinical and clinical advancements in design, testing, and approval of agents that block checkpoint molecules. Our review seeks to bridge fundamental regulatory mechanisms across inhibitory immune checkpoint receptors that are of great importance in resistance to cancer immunotherapy. We will summarize the biology of different checkpoint molecules, highlight the effect of individual checkpoint inhibition as anti-tumor therapies, and outline the literatures that explore mechanisms of resistance to individual checkpoint inhibition pathways.
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Affiliation(s)
- Luisa Barrueto
- Lake Erie College of Osteopathic Medicine, College of Osteopathic Medicine, Bradenton, FL
| | - Francheska Caminero
- Lake Erie College of Osteopathic Medicine, College of Osteopathic Medicine, Bradenton, FL
| | - Lindsay Cash
- Lake Erie College of Osteopathic Medicine, College of Osteopathic Medicine, Bradenton, FL
| | - Courtney Makris
- Lake Erie College of Osteopathic Medicine, College of Osteopathic Medicine, Bradenton, FL
| | - Purushottam Lamichhane
- Lake Erie College of Osteopathic Medicine, Florida School of Dental Medicine, Bradenton, FL.
| | - Rahul R Deshmukh
- Lake Erie College of Osteopathic Medicine, School of Pharmacy, Bradenton, FL.
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27
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ElTanbouly MA, Schaafsma E, Noelle RJ, Lines JL. VISTA: Coming of age as a multi-lineage immune checkpoint. Clin Exp Immunol 2020; 200:120-130. [PMID: 31930484 DOI: 10.1111/cei.13415] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/06/2020] [Indexed: 12/12/2022] Open
Abstract
The immune response is governed by a highly complex set of interactions among cells and mediators. T cells may be rendered dysfunctional by the presence of high levels of antigen in the absence of co-stimulation while myeloid cells may be programmed towards an immunosuppressive state that promotes cancer growth and metastasis while deterring tumor immunity. In addition, inhibitory programs driven by immune checkpoint regulators dampen anti-tumor immunity. The ideal cancer immunotherapy treatment will improve both cross-priming in the tumor microenvironment and relieve suppression by the inhibitory checkpoints. Recently, blockade of programmed cell death 1 (PD-1) and cytotoxic T lymphocyte antigen 4 (CTLA-4) has elicited impressive results, but not in all patients, so additional targets are under investigation. V-set immunoglobulin domain suppressor of T cell activation (VISTA) is a novel immunoregulatory receptor that is broadly expressed on cells of the myeloid and lymphoid lineages, and is frequently implicated as a poor prognostic indicator in multiple cancers. Importantly, antibody targeting of VISTA uniquely engages both innate and adaptive immunity. This, combined with the expression of VISTA and its non-redundant activities compared to other immune checkpoint regulators, qualifies VISTA to be a promising target for improving cancer immunotherapy.
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Affiliation(s)
- M A ElTanbouly
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
| | - E Schaafsma
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA.,Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - R J Noelle
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
| | - J L Lines
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
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28
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Broughton TWK, ElTanbouly MA, Schaafsma E, Deng J, Sarde A, Croteau W, Li J, Nowak EC, Mabaera R, Smits NC, Kuta A, Noelle RJ, Lines JL. Defining the Signature of VISTA on Myeloid Cell Chemokine Responsiveness. Front Immunol 2019; 10:2641. [PMID: 31803182 PMCID: PMC6877598 DOI: 10.3389/fimmu.2019.02641] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/24/2019] [Indexed: 01/02/2023] Open
Abstract
The role of negative checkpoint regulators (NCRs) in human health and disease cannot be overstated. V-domain Ig-containing Suppressor of T-cell Activation (VISTA) is an Ig superfamily protein predominantly expressed within the hematopoietic compartment and has been studied for its role in the negative regulation of T cell responses. The findings presented in this study show that, unlike all other NCRs, VISTA deficiency dramatically impacts on macrophage cytokine and chemokine production, as well as the chemotactic response of VISTA-deficient macrophages. A select group of inflammatory chemokines, including CCL2, CCL3, CCL4, and CCL5, was strikingly elevated in culture supernatants from VISTA KO macrophages. VISTA deficiency also altered chemokine receptor recycling and profoundly disrupted myeloid chemotaxis. The impact of VISTA deficiency on chemotaxis in vivo was apparent with the reduced ability of both KO macrophages and MDSCs to migrate to the tumor microenvironment. This is the first demonstration of an NCR impacting on myeloid mediator production and chemotaxis, and will guide the use of anti-VISTA therapeutics to manipulate the chemotaxis of inflammatory macrophages or immunosuppressive MDSCs in inflammatory diseases and cancer.
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Affiliation(s)
- Thomas W. K. Broughton
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
- Division of Transplantation Immunology & Mucosal Biology, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom
| | - Mohamed A. ElTanbouly
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Evelien Schaafsma
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Jie Deng
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Aurélien Sarde
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Walburga Croteau
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Jiannan Li
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Elizabeth C. Nowak
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Rodwell Mabaera
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
- Section of Hematology and Oncology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States
| | - Nicole C. Smits
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - Anna Kuta
- Immunext Corp., Lebanon, NH, United States
| | - Randolph J. Noelle
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
| | - J. Louise Lines
- Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH, United States
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29
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Ikarashi S, Tsuchiya A, Kawata Y, Kojima Y, Watanabe T, Takeuchi S, Igarashi K, Ideta-Otsuka M, Oki K, Takamura M, Terai S. Effects of Human Adipose Tissue-Derived and Umbilical Cord Tissue-Derived Mesenchymal Stem Cells in a Dextran Sulfate Sodium-Induced Mouse Model. Biores Open Access 2019; 8:185-199. [PMID: 31720090 PMCID: PMC6844129 DOI: 10.1089/biores.2019.0022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Mesenchymal stem cells (MSCs) can be acquired from medical waste. MSCs are easily expanded and have multiple functions, including anti-inflammatory effects. We evaluated the effects of human adipose tissue-derived MSCs (AD-MSCs) and umbilical cord tissue-derived MSCs (UC-MSCs) in a dextran sulfate sodium (DSS)-induced mouse model. Human AD-MSCs and UC-MSCs (1 × 106 cells) were injected intravenously into a 7-day DSS-induced colitis model. The therapeutic effects of cell origin, injection timing, and supernatants obtained from MSC cultures were evaluated. We also analyzed messenger RNA (mRNA) expression in MSCs, tissues, and intestinal flora. AD-MSCs and UC-MSCs were found to show strong anti-inflammatory effects when injected on day 3 in a mouse model. On day 11, the mRNA levels of inflammatory factors in colon tissues were significantly decreased after injection of MSCs on day 3. Supernatants from MSCs culture decreased mRNA levels of tumor necrosis factor (Tnf)-α, but had reduced therapeutic effects compared with MSC cell injection. RNA sequencing using colon tissues obtained the day after cell injection revealed changes in the TNF-α/nuclear factor-κB and T cell receptor signaling pathways. Additional analyses showed that several factors, including chromosome 10 open reading frame 54, stanniocalcin-1, and TNF receptor superfamily member 11b were increased in MSCs after adding serum from DSS colitis mice. Furthermore, both AD-MSCs and UC-MSCs maintained the balance of intestinal flora. In conclusion, AD-MSCs and UC-MSCs showed therapeutic effects against inflammation after early cell injection while maintaining the intestinal flora. Although supernatants showed therapeutic effects, cell injection was more effective against inflammation.
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Affiliation(s)
- Shunzo Ikarashi
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Atsunori Tsuchiya
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Yuzo Kawata
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Yuichi Kojima
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Takayuki Watanabe
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Suguru Takeuchi
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Katsuhide Igarashi
- Laboratory of Biofunctional Science, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan.,Life Science Tokyo Advanced Research Center (L-StaR), Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Maky Ideta-Otsuka
- Life Science Tokyo Advanced Research Center (L-StaR), Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | | | - Masaaki Takamura
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Shuji Terai
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
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30
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Immune checkpoint molecules. Possible future therapeutic implications in autoimmune diseases. J Autoimmun 2019; 104:102333. [DOI: 10.1016/j.jaut.2019.102333] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 02/07/2023]
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31
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Hid Cadena R, Reitsema RD, Huitema MG, van Sleen Y, van der Geest KSM, Heeringa P, Boots AMH, Abdulahad WH, Brouwer E. Decreased Expression of Negative Immune Checkpoint VISTA by CD4+ T Cells Facilitates T Helper 1, T Helper 17, and T Follicular Helper Lineage Differentiation in GCA. Front Immunol 2019; 10:1638. [PMID: 31379838 PMCID: PMC6646729 DOI: 10.3389/fimmu.2019.01638] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 07/01/2019] [Indexed: 01/08/2023] Open
Abstract
Loss of immune checkpoint (IC) Programmed Death-1 (PD-1) and PD-Ligand1 (PD-L1) expression has been implicated in the immunopathology of Giant Cell Arteritis (GCA). The contribution of the negative immune checkpoint V-domain Immunoglobulin-containing suppressor of T cell activation (VISTA) to GCA pathology has not yet been studied. The aim of our study was to investigate if expression of VISTA and other IC molecules by peripheral blood (PB) immune cells is modulated in GCA and at the site of vascular inflammation. In addition, we assessed the effect of VISTA-Ig engagement on in vitro CD4+ T helper (Th) lineage differentiation. To this end, frequencies of monocytes expressing CD80/86, PD-L1, PD-L2, and VISTA were determined in blood samples from 30 GCA patients and 18 matched healthy controls by flow cytometry. In parallel, frequencies of CD4+ cells expressing CD28, Cytotoxic T-Lymphocyte-associated antigen-4 (CTLA-4), PD-1, and VISTA were determined. Immunohistochemistry was employed to detect VISTA, PD-1, and PD-L1-expressing cells in temporal artery biopsies (TABs) diagnostic of GCA. Furthermore, the effect of VISTA-Ig on in vitro CD4+ Th lineage differentiation in patients and controls was determined. Our study shows that frequencies of CD80/CD86+ and VISTA+ monocytes were decreased in treated GCA patients only. Moreover, proportions of PD-1+ and VISTA+ Th cells were significantly decreased in GCA patients. Clear infiltration of VISTA+, PD1+, and PD-L1+ cells was seen in GCA TABs. Finally, VISTA-Ig engagement failed to suppress Th1, Th17, and Tfh lineage development in GCA. Our results indicate that decreased expression of VISTA may facilitate development of pathogenic Th1 and Th17 cells in GCA.
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Affiliation(s)
- Rebeca Hid Cadena
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Rosanne D Reitsema
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Minke G Huitema
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Yannick van Sleen
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Kornelis S M van der Geest
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Peter Heeringa
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Annemieke M H Boots
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Wayel H Abdulahad
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.,Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Elisabeth Brouwer
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
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32
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Wang K, Liu H, Liu J, Wang X, Teng L, Zhang J, Liu Y, Yao Y, Wang J, Qu Y, Chen X, Peng F, Liu H, Wang N, Zhong Y, Hou X, Jiang H, Beylerli O, Liao X, Zhang X, Zhang X, Zhang X, Zhao S. IL1RN mediates the suppressive effect of methionine deprivation on glioma proliferation. Cancer Lett 2019; 454:146-157. [PMID: 30978442 DOI: 10.1016/j.canlet.2019.04.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 03/30/2019] [Accepted: 04/03/2019] [Indexed: 12/24/2022]
Abstract
Metabolic abnormality is one of the hallmarks of cancer cells, and limiting material supply is a potential breakthrough approach for cancer treatment. Increasing researchers have been involved in the study of glioma cell metabolism reprogramming since the significance of IDH1 was confirmed in glioma. However, the molecular mechanisms underlying metabolic reprogramming induced by methionine deprivation regulates glioma cell proliferation remain unclear. Here we demonstrated that methionine deprivation inhibited glioma cell proliferation via downregulating interleukin 1 receptor antagonist (IL1RN) both in vitro and in vivo, methionine deprivation or knocking down IL1RN induced glioma cell cycle arrest. Moreover, we confirmed that IL1RN is a tumor associated gene and its expression is negatively correlated with the survival time of glioma patients. Altogether these results demonstrate a strong rationale insight that targeting amino acid metabolism such as methionine deprivation/IL1RN related gene therapy may offer novel direction for glioma treatment.
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Affiliation(s)
- Kaikai Wang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Huailei Liu
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Jiaqi Liu
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xiaoxiong Wang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Lei Teng
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Jun Zhang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Yi Liu
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02215, USA
| | - Yizheng Yao
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02215, USA
| | - Jun Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02215, USA
| | - Yuan Qu
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02215, USA
| | - Xin Chen
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Fei Peng
- Department of Neurosurgery, The Second Affiliated Hospital and Institute of Neurosciences of Guangzhou Medical University, Guangzhou, 510260, China
| | - Hongbo Liu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, Heilongjiang Province, China
| | - Ning Wang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Yingqiang Zhong
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xu Hou
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Haiping Jiang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Ozal Beylerli
- Bashkir State Medical University, Ufa, 450008, Russia
| | - Xiang Liao
- Department of Medical Imaging, General Hospital of Nanjing Military Area Command, Nanjing, 210002, Jiangsu Province, China
| | - Xinjian Zhang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xu Zhang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China
| | - Xiangtong Zhang
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China.
| | - Shiguang Zhao
- Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, Heilongjiang Province, China; Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, 150001, Heilongjiang Province, China.
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33
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Xu W, Hiếu T, Malarkannan S, Wang L. The structure, expression, and multifaceted role of immune-checkpoint protein VISTA as a critical regulator of anti-tumor immunity, autoimmunity, and inflammation. Cell Mol Immunol 2018; 15:438-446. [PMID: 29375120 DOI: 10.1038/cmi.2017.148] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 11/08/2017] [Accepted: 11/09/2017] [Indexed: 12/26/2022] Open
Abstract
Among various immunoregulatory molecules, the B7 family of immune-checkpoint receptors consists of highly valuable targets for cancer immunotherapy. Antibodies targeting two B7 family co-inhibitory receptors, CTLA-4 and PD-1, have elicited long-term clinical outcomes in previously refractory cancer types and are considered a breakthrough in cancer therapy. Despite the success, the relatively low response rate (20-30%) warrants efforts to identify and overcome additional immune-suppressive pathways. Among the expanding list of T cell inhibitory regulators, V domain immunoglobulin suppressor of T cell activation (VISTA) is a unique B7 family checkpoint that regulates a broad spectrum of immune responses. Here, we summarize recent advances that highlight the structure, expression, and multi-faceted immunomodulatory mechanisms of VISTA in the context of autoimmunity, inflammation, and anti-tumor immunity.
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Affiliation(s)
- Wenwen Xu
- Department of Microbiology and Immunology, Milwaukee, WI 53226, USA
| | - TạMinh Hiếu
- Department of Microbiology and Immunology, Milwaukee, WI 53226, USA
| | - Subramaniam Malarkannan
- Department of Microbiology and Immunology, Milwaukee, WI 53226, USA.,Department of Medicine, Milwaukee, WI 53226, USA.,Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226, USA.,Blood Research Institute, 53226, Milwaukee, WI, USA
| | - Li Wang
- Department of Microbiology and Immunology, Milwaukee, WI 53226, USA.
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