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Wang Y, Quan Y, He J, Chen S, Dong Z. SLAM-family receptors promote resolution of ILC2-mediated inflammation. Nat Commun 2024; 15:5056. [PMID: 38871792 DOI: 10.1038/s41467-024-49466-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 06/03/2024] [Indexed: 06/15/2024] Open
Abstract
Type 2 innate lymphoid cells (ILC2) initiate early allergic inflammation in the lung, but the factors that promote subsequent resolution of type 2 inflammation and prevent prolonged ILC2 activation are not fully known. Here we show that SLAM-family receptors (SFR) play essential roles in this process. We demonstrate dynamic expression of several SFRs on ILC2s during papain-induced type 2 immunity in mice. SFR deficiency exacerbates ILC2-driven eosinophil infiltration in the lung, and results in a significant increase in IL-13 production by ILC2s exclusively in mediastinal lymph nodes (MLN), leading to increased dendritic cell (DC) and TH2 cell numbers. In MLNs, we observe more frequent interaction between ILC2s and bystander T cells, with T cell-expressed SFRs (especially SLAMF3 and SLAMF5) acting as self-ligands to suppress IL-13 production by ILC2s. Mechanistically, homotypic engagement of SFRs at the interface between ILC2s and T cells delivers inhibitory signaling primarily mediated by SHIP-1. This prevents activation of NF-κB, driven by IL-7 and IL-33, two major drivers of ILC2-mediated type 2 immunity. Thus, our study shows that an ILC2-DC-TH2 regulatory axis may promote the resolution of pulmonary type 2 immune responses, and highlights SLAMF3/SLAMF5 as potential therapeutic targets for ameliorating type 2 immunity.
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Affiliation(s)
- Yuande Wang
- Department of Allergy, the First Affiliated Hospital of Anhui Medical University and Institute of Clinical Immunology, Anhui Medical University, Hefei, 230032, China
- State Key Laboratory of Membrane Biology, School of Medicine and Institute for Immunology, Tsinghua University, Beijing, 100084, China
| | - Yuhe Quan
- State Key Laboratory of Membrane Biology, School of Medicine and Institute for Immunology, Tsinghua University, Beijing, 100084, China
| | - Junming He
- State Key Laboratory of Membrane Biology, School of Medicine and Institute for Immunology, Tsinghua University, Beijing, 100084, China
| | - Shasha Chen
- Department of Allergy, the First Affiliated Hospital of Anhui Medical University and Institute of Clinical Immunology, Anhui Medical University, Hefei, 230032, China.
- Innovative Institute of Tumor Immunity and Medicine (ITIM), Hefei, 230032, China.
- Anhui Province Key Laboratory of Tumor Immune Microenvironment and Immunotherapy, Hefei, 230032, China.
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, 230032, China.
| | - Zhongjun Dong
- Department of Allergy, the First Affiliated Hospital of Anhui Medical University and Institute of Clinical Immunology, Anhui Medical University, Hefei, 230032, China.
- State Key Laboratory of Membrane Biology, School of Medicine and Institute for Immunology, Tsinghua University, Beijing, 100084, China.
- Innovative Institute of Tumor Immunity and Medicine (ITIM), Hefei, 230032, China.
- Anhui Province Key Laboratory of Tumor Immune Microenvironment and Immunotherapy, Hefei, 230032, China.
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, 230032, China.
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2
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Weng J, Wang Z, Hu Z, Xu W, Sun JL, Wang F, Zhou Q, Liu S, Xu M, Xu M, Gao D, Shen YH, Yi Y, Shi Y, Dong Q, Zhou C, Ren N. Repolarization of Immunosuppressive Macrophages by Targeting SLAMF7-Regulated CCL2 Signaling Sensitizes Hepatocellular Carcinoma to Immunotherapy. Cancer Res 2024; 84:1817-1833. [PMID: 38484085 DOI: 10.1158/0008-5472.can-23-3106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 01/23/2024] [Accepted: 03/11/2024] [Indexed: 06/05/2024]
Abstract
Immune checkpoint inhibitors have limited efficacy in hepatocellular carcinoma (HCC). Macrophages are the most abundant immune cells in HCC, suggesting that a better understanding of the intrinsic processes by which tumor cells regulate macrophages could help identify strategies to improve response to immunotherapy. As signaling lymphocytic activation molecule (SLAM) family members regulate various immune functions, we investigated the role of specific SLAM receptors in the immunobiology of HCC. Comparison of the transcriptomic landscapes of immunotherapy-responsive and nonresponsive patients with advanced HCC identified SLAMF7 upregulation in immunotherapy-responsive HCC, and patients with HCC who responded to immunotherapy also displayed higher serum levels of SLAMF7. Loss of Slamf7 in liver-specific knockout mice led to increased hepatocarcinogenesis and metastasis, elevated immunosuppressive macrophage infiltration, and upregulated PD-1 expression in CD8+ T cells. HCC cell-intrinsic SLAMF7 suppressed MAPK/ATF2-mediated CCL2 expression to regulate macrophage migration and polarization in vitro. Mechanistically, SLAMF7 associated with SH2 domain-containing adaptor protein B (SHB) through its cytoplasmic 304 tyrosine site to facilitate the recruitment of SHIP1 to SLAMF7 and inhibit the ubiquitination of TRAF6, thereby attenuating MAPK pathway activation and CCL2 transcription. Pharmacological antagonism of the CCL2/CCR2 axis potentiated the therapeutic effect of anti-PD-1 antibody in orthotopic HCC mouse models with low SLAMF7 expression. In conclusion, this study highlights SLAMF7 as a regulator of macrophage function and a potential predictive biomarker of immunotherapy response in HCC. Strategies targeting CCL2 signaling to induce macrophage repolarization in HCC with low SLAMF7 might enhance the efficacy of immunotherapy. SIGNIFICANCE CCL2 upregulation caused by SLAMF7 deficiency in hepatocellular carcinoma cells induces immunosuppressive macrophage polarization and confers resistance to immune checkpoint blockade, providing potential biomarkers and targets to improve immunotherapy response in patients.
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Affiliation(s)
- Jialei Weng
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Zheng Wang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Institute of Translational Medicine, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, P.R. China
| | - Zhiqiu Hu
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, P.R. China
- Department of Hepatobiliary and Pancreatic Surgery, Minhang Hospital, Fudan University, Shanghai, P.R. China
| | - Wenxin Xu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
| | - Jia-Lei Sun
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Fu Wang
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Qiang Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Shaoqing Liu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Min Xu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Minghao Xu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Dongmei Gao
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
| | - Ying-Hao Shen
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
| | - Yong Yi
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
| | - Yi Shi
- Biomedical Research Centre, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Qiongzhu Dong
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, P.R. China
| | - Chenhao Zhou
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
| | - Ning Ren
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, P.R. China
- Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer of Shanghai Municipal Health Commission, Shanghai, P.R. China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, P.R. China
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3
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Zhou T, Guan Y, Sun L, Liu W. A review: Mechanisms and molecular pathways of signaling lymphocytic activation molecule family 3 (SLAMF3) in immune modulation and therapeutic prospects. Int Immunopharmacol 2024; 133:112088. [PMID: 38626547 DOI: 10.1016/j.intimp.2024.112088] [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: 01/12/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/18/2024]
Abstract
The signaling lymphocytic activation molecule (SLAM) family participates in the modulation of various innate and adaptive immune responses. SLAM family (SLAMF) receptors include nine transmembrane glycoproteins, of which SLAMF3 (also known as CD229 or Ly9) has important roles in the modulation of immune responses, from the fundamental activation and suppression of immune cells to the regulation of intricate immune networks. SLAMF3 is mainly expressed in immune cells, such as T, B, and natural killer cells. It has a unique molecular structure, including four immunoglobulin-like domains in the extracellular domain and two immunoreceptor tyrosine-based signaling motifs in the intracellular structural domains. These unique structures have important implications for protein functioning. SLAMF3 is involved in pathogenesis of various disease, particularly autoimmune diseases and cancer. However, despite its potential clinical significance, a comprehensive overview of the current paradigm of SLAMF3 research is lacking. This review summarizes the structure, functional mechanisms, and therapeutic implications of SLAMF3. Our findings highlight the significance of SLAMF3 in both physiological and pathological contexts, and underline its dual role in autoimmunity and malignancies, and including disease progression and prognosis. The review also proposes that future studies on SLAMF3 should explore its context-specific inhibitory and stimulatory effects, expand on its potential in disease mapping, investigate related signaling pathways, and explore its value as a drug target. Research in these areas related to SLAMF3 can provide more precise directions for future therapeutic strategies.
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Affiliation(s)
- Tong Zhou
- Department of Endocrinology and Metabolism, the First Hospital of Jilin University, Changchun 130021, China; Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun 130021, China; National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun 130021, China
| | - Yanjie Guan
- Department of Oncology, the First Hospital of Jilin University, Changchun 130021, China
| | - Lin Sun
- Department of Endocrinology and Metabolism, the First Hospital of Jilin University, Changchun 130021, China
| | - Wentao Liu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Education, The First Hospital of Jilin University, Changchun 130021, China; National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun 130021, China.
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4
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Sheykhhasan M, Ahmadieh-Yazdi A, Vicidomini R, Poondla N, Tanzadehpanah H, Dirbaziyan A, Mahaki H, Manoochehri H, Kalhor N, Dama P. CAR T therapies in multiple myeloma: unleashing the future. Cancer Gene Ther 2024; 31:667-686. [PMID: 38438559 PMCID: PMC11101341 DOI: 10.1038/s41417-024-00750-2] [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: 08/12/2023] [Revised: 02/10/2024] [Accepted: 02/16/2024] [Indexed: 03/06/2024]
Abstract
In recent years, the field of cancer treatment has witnessed remarkable breakthroughs that have revolutionized the landscape of care for cancer patients. While traditional pillars such as surgery, chemotherapy, and radiation therapy have long been available, a cutting-edge therapeutic approach called CAR T-cell therapy has emerged as a game-changer in treating multiple myeloma (MM). This novel treatment method complements options like autologous stem cell transplants and immunomodulatory medications, such as proteasome inhibitors, by utilizing protein complexes or anti-CD38 antibodies with potent complement-dependent cytotoxic effects. Despite the challenges and obstacles associated with these treatments, the recent approval of the second FDA multiple myeloma CAR T-cell therapy has sparked immense promise in the field. Thus far, the results indicate its potential as a highly effective therapeutic solution. Moreover, ongoing preclinical and clinical trials are exploring the capabilities of CAR T-cells in targeting specific antigens on myeloma cells, offering hope for patients with relapsed/refractory MM (RRMM). These advancements have shown the potential for CAR T cell-based medicines or combination therapies to elicit greater treatment responses and minimize side effects. In this context, it is crucial to delve into the history and functions of CAR T-cells while acknowledging their limitations. We can strategize and develop innovative approaches to overcome these barriers by understanding their challenges. This article aims to provide insights into the application of CAR T-cells in treating MM, shedding light on their potential, limitations, and strategies employed to enhance their efficacy.
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Affiliation(s)
- Mohsen Sheykhhasan
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Amirhossein Ahmadieh-Yazdi
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
- Stem Cell Biology Research Center, Yazd Reproductive Sciences Institute, Shahid Sadoughi, University of Medical Sciences, Yazd, Iran
| | - Rosario Vicidomini
- Section on Cellular Communication, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | | | - Hamid Tanzadehpanah
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ashkan Dirbaziyan
- Department of Microbiology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Hanie Mahaki
- Vascular & Endovascular Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamed Manoochehri
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Naser Kalhor
- Department of Mesenchymal Stem Cells, Academic Center for Education, Culture and Research, Qom, Iran
| | - Paola Dama
- School of Life Sciences, University of Sussex, Brighton, BN1 9QG, UK.
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5
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Tchen J, Simon Q, Chapart L, Thaminy MK, Vibhushan S, Saveanu L, Lamri Y, Saidoune F, Pacreau E, Pellefigues C, Bex-Coudrat J, Karasuyama H, Miyake K, Hidalgo J, Fallon PG, Papo T, Blank U, Benhamou M, Hanouna G, Sacre K, Daugas E, Charles N. PD-L1- and IL-4-expressing basophils promote pathogenic accumulation of T follicular helper cells in lupus. Nat Commun 2024; 15:3389. [PMID: 38649353 PMCID: PMC11035650 DOI: 10.1038/s41467-024-47691-w] [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: 08/30/2023] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by anti-nuclear autoantibodies whose production is promoted by autoreactive T follicular helper (TFH) cells. During SLE pathogenesis, basophils accumulate in secondary lymphoid organs (SLO), amplify autoantibody production and disease progression through mechanisms that remain to be defined. Here, we provide evidence for a direct functional relationship between TFH cells and basophils during lupus pathogenesis, both in humans and mice. PD-L1 upregulation on basophils and IL-4 production are associated with TFH and TFH2 cell expansions and with disease activity. Pathogenic TFH cell accumulation, maintenance, and function in SLO were dependent on PD-L1 and IL-4 in basophils, which induced a transcriptional program allowing TFH2 cell differentiation and function. Our study establishes a direct mechanistic link between basophils and TFH cells in SLE that promotes autoantibody production and lupus nephritis.
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Affiliation(s)
- John Tchen
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Quentin Simon
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Inovarion, 75005, Paris, France
| | - Léa Chapart
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Morgane K Thaminy
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Shamila Vibhushan
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Loredana Saveanu
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Yasmine Lamri
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Fanny Saidoune
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Emeline Pacreau
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Christophe Pellefigues
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Julie Bex-Coudrat
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Hajime Karasuyama
- Inflammation, Infection and Immunity Laboratory, TMDU Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kensuke Miyake
- Inflammation, Infection and Immunity Laboratory, TMDU Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Juan Hidalgo
- Universidad Autonoma de Barcelona, Facultad de Biociencias, Unidad de Fisiologia Animal Bellaterra, Bellaterra Campus, 08193, Barcelona, Spain
| | | | - Thomas Papo
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Médecine Interne, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Ulrich Blank
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Marc Benhamou
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Guillaume Hanouna
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Néphrologie, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Karim Sacre
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Médecine Interne, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Eric Daugas
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Néphrologie, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Nicolas Charles
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France.
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France.
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6
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Kľoc D, Kurhajec S, Huniadi M, Sýkora J, Guman T, Šarišský M. SLAM Family Receptors in B Cell Chronic Lymphoproliferative Disorders. Int J Mol Sci 2024; 25:4014. [PMID: 38612827 PMCID: PMC11012012 DOI: 10.3390/ijms25074014] [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: 02/20/2024] [Revised: 03/28/2024] [Accepted: 03/31/2024] [Indexed: 04/14/2024] Open
Abstract
The signaling lymphocytic activation molecule (SLAM) receptor family (SLAMF) consists of nine glycoproteins that belong to the CD2 superfamily of immunoglobulin (Ig) domain-containing molecules. SLAMF receptors modulate the differentiation and activation of a wide range of immune cells. Individual SLAMF receptors are expressed on the surface of hematopoietic stem cells, hematopoietic progenitor cells, B cells, T cells, NK cells, NKT cells, monocytes, macrophages, dendritic cells, neutrophils, and platelets. The expression of SLAMF receptors was studied during normal B cell maturation. Several SLAMF receptors were also detected in cancer cell lines of B-lymphoid origin and in pathological B cells from patients with B cell chronic lymphoproliferative disorders (B-CLPD), the most frequent hematological malignancies in adults. This review summarizes current knowledge on the expression of SLAMF receptors and their adaptor proteins SAP and EAT-2 in B-CLPD. Several SLAMF receptors could be regarded as potential diagnostic and differential diagnostic markers, prognostic factors, and targets for the development of novel drugs for patients with B-CLPD.
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Affiliation(s)
- Dominik Kľoc
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, Trieda SNP 1, 04011 Košice, Slovakia; (D.K.); (M.H.)
| | - Slavomír Kurhajec
- Department of Pharmaceutical Technology, Pharmacognosy, and Botany, University of Veterinary Medicine and Pharmacy, Komenského 73, 04181 Košice, Slovakia;
| | - Mykhailo Huniadi
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, Trieda SNP 1, 04011 Košice, Slovakia; (D.K.); (M.H.)
| | - Ján Sýkora
- Department of Haematology and Oncohaematology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice and Louis Pasteur University Hospital Košice, Trieda SNP 1, 04011 Košice, Slovakia; (J.S.); (T.G.)
| | - Tomáš Guman
- Department of Haematology and Oncohaematology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice and Louis Pasteur University Hospital Košice, Trieda SNP 1, 04011 Košice, Slovakia; (J.S.); (T.G.)
| | - Marek Šarišský
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, Trieda SNP 1, 04011 Košice, Slovakia; (D.K.); (M.H.)
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7
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Radhakrishnan V, Golla U, Kudva AK. Role of Immune Cells and Immunotherapy in Multiple Myeloma. Life (Basel) 2024; 14:461. [PMID: 38672732 PMCID: PMC11050867 DOI: 10.3390/life14040461] [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: 02/26/2024] [Revised: 03/28/2024] [Accepted: 03/30/2024] [Indexed: 04/28/2024] Open
Abstract
The clinical signs of multiple myeloma, a plasma cell (PC) dyscrasia, include bone loss, renal damage, and paraproteinemia. It can be defined as the uncontrolled growth of malignant PCs within the bone marrow. The distinctive bone marrow milieu that regulates the progression of myeloma disease involves interactions between plasma and stromal cells, and myeloid and lymphoid cells. These cells affect the immune system independently or because of a complicated web of interconnections, which promotes disease development and immune evasion. Due to the importance of these factors in the onset of disease, various therapeutic strategies have been created that either target or improve the immunological processes that influence disease progression. The immune system has a role in the mechanism of action of multiple myeloma treatments. The main contributions of immune cells to the bone marrow microenvironment, as well as how they interact and how immune regulation might lead to therapeutic effects, are covered in this study.
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Affiliation(s)
- Vijay Radhakrishnan
- Department of Surgery, Ellis Fischel Cancer Center, Roy Blunt NextGen Precision Health Institute, University of Missouri, Columbia, MO 65212, USA;
| | - Upendarrao Golla
- Department of Medicine, Division of Hematology and Oncology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA;
| | - Avinash Kundadka Kudva
- Department of Biochemistry, Mangalore University, Mangalagangothri, Mangaluru 574199, India
- Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
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8
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Yuan F, Wei J, Cheng Y, Wang F, Gu M, Li Y, Zhao X, Sun H, Ban R, Zhou J, Xia Z. SLAMF7 Promotes Foam Cell Formation of Macrophage by Suppressing NR4A1 Expression During Carotid Atherosclerosis. Inflammation 2024; 47:530-542. [PMID: 37971565 DOI: 10.1007/s10753-023-01926-y] [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: 08/02/2023] [Revised: 09/25/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023]
Abstract
Macrophage-derived lipid-laden foam cells from the subendothelium play a crucial role in the initiation and progression of atherosclerosis. However, the molecule mechanism that regulates the formation of foam cells is not completely understood. Here, we found that SLAMF7 was upregulated in mice bone marrow-derived macrophages and RAW264.7 cells stimulated with oxidized low-density lipoprotein (ox-LDL). SLAMF7 promoted ox-LDL-mediated macrophage lipid accumulation and M1-type polarization. SLAMF7 deficiency reduced serum lipid levels and improved the lesions area of carotid plaque and aortic arch in high-fat diet-fed ApoE-/- mice. In response to ox-LDL, SLAMF7 downregulated NR4A1 and upregulated RUNX3 through transcriptome sequencing analysis. Overexpression NR4A1 reversed SLAMF7-induced lipid uptake and M1 polarization via inhibiting RUNX3 expression. Furthermore, RUNX3 enhanced foam cell formation and M1-type polarization. Taken together, the study suggested that SLAMF7 play contributing roles in the pro-atherogenic effects by regulating NR4A1-RUNX3.
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Affiliation(s)
- Fengjiao Yuan
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, People's Republic of China
- Department of Neurology, Liaocheng People's Hospital, Shandong University, Jinan, Shandong, 250012, People's Republic of China
- Medical Integration and Practice Center, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Jianmei Wei
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, People's Republic of China
| | - Yan Cheng
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, People's Republic of China
| | - Feifei Wang
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, People's Republic of China
| | - Mingliang Gu
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, People's Republic of China
| | - Yanhui Li
- Department of Rehabilitation Medicine, Liaocheng Chinese Medicine Hospital, Liaocheng, Shandong, 252000, People's Republic of China
| | - Xin Zhao
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Hospital Affiliated to Shandong First Medical University, Liaocheng, Shandong, 252000, People's Republic of China
| | - Hao Sun
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Hospital Affiliated to Shandong First Medical University, Liaocheng, Shandong, 252000, People's Republic of China
| | - Ru Ban
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Hospital Affiliated to Shandong First Medical University, Liaocheng, Shandong, 252000, People's Republic of China
| | - Jing Zhou
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, 250014, People's Republic of China.
| | - Zhangyong Xia
- Department of Neurology, Liaocheng People's Hospital, Shandong University, Jinan, Shandong, 250012, People's Republic of China.
- Department of Neurology, Liaocheng People's Hospital and Liaocheng Hospital Affiliated to Shandong First Medical University, Liaocheng, Shandong, 252000, People's Republic of China.
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9
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Li R, Galindo CC, Davidson D, Guo H, Zhong MC, Qian J, Li B, Ruzsics Z, Lau CM, O'Sullivan TE, Vidal SM, Sun JC, Veillette A. Suppression of adaptive NK cell expansion by macrophage-mediated phagocytosis inhibited by 2B4-CD48. Cell Rep 2024; 43:113800. [PMID: 38386559 DOI: 10.1016/j.celrep.2024.113800] [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: 06/30/2023] [Revised: 12/21/2023] [Accepted: 01/31/2024] [Indexed: 02/24/2024] Open
Abstract
Infection of mice by mouse cytomegalovirus (MCMV) triggers activation and expansion of Ly49H+ natural killer (NK) cells, which are virus specific and considered to be "adaptive" or "memory" NK cells. Here, we find that signaling lymphocytic activation molecule family receptors (SFRs), a group of hematopoietic cell-restricted receptors, are essential for the expansion of Ly49H+ NK cells after MCMV infection. This activity is largely mediated by CD48, an SFR broadly expressed on NK cells and displaying augmented expression after MCMV infection. It is also dependent on the CD48 counter-receptor, 2B4, expressed on host macrophages. The 2B4-CD48 axis promotes expansion of Ly49H+ NK cells by repressing their phagocytosis by virus-activated macrophages through inhibition of the pro-phagocytic integrin lymphocyte function-associated antigen-1 (LFA-1) on macrophages. These data identify key roles of macrophages and the 2B4-CD48 pathway in controlling the expansion of adaptive NK cells following MCMV infection. Stimulation of the 2B4-CD48 axis may be helpful in enhancing adaptive NK cell responses for therapeutic purposes.
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Affiliation(s)
- Rui Li
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Cristian Camilo Galindo
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Dominique Davidson
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Huaijian Guo
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Ming-Chao Zhong
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jin Qian
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Bin Li
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Molecular Biology Program, University of Montréal, Montréal, QC H3T 1J4, Canada
| | - Zsolt Ruzsics
- Institute of Virology, University Medical Center, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
| | - Colleen M Lau
- Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Timothy E O'Sullivan
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Silvia M Vidal
- Department of Human Genetics, McGill University, Montréal, QC H3A 0C7, Canada; Dahdaleh Institute of Genomic Medicine, McGill University, Montréal, QC H3A 0G1, Canada
| | - Joseph C Sun
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Department of Immunology and Microbial Pathogenesis, Weill Cornell Medical College, New York, NY 10065, USA
| | - André Veillette
- Laboratory of Molecular Oncology, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada; Molecular Biology Program, University of Montréal, Montréal, QC H3T 1J4, Canada.
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10
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Kim J, Kim TJ, Chae S, Ha H, Park Y, Park S, Yoon CJ, Lim SA, Lee H, Kim J, Kim J, Im K, Lee K, Kim J, Kim D, Lee E, Shin MH, Park SI, Rhee I, Jung K, Lee J, Lee KH, Hwang D, Lee KM. Targeted deletion of CD244 on monocytes promotes differentiation into anti-tumorigenic macrophages and potentiates PD-L1 blockade in melanoma. Mol Cancer 2024; 23:45. [PMID: 38424542 PMCID: PMC10903025 DOI: 10.1186/s12943-024-01936-w] [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: 09/28/2023] [Accepted: 01/07/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND In the myeloid compartment of the tumor microenvironment, CD244 signaling has been implicated in immunosuppressive phenotype of monocytes. However, the precise molecular mechanism and contribution of CD244 to tumor immunity in monocytes/macrophages remains elusive due to the co-existing lymphoid cells expressing CD244. METHODS To directly assess the role of CD244 in tumor-associated macrophages, monocyte-lineage-specific CD244-deficient mice were generated using cre-lox recombination and challenged with B16F10 melanoma. The phenotype and function of tumor-infiltrating macrophages along with antigen-specific CD8 T cells were analyzed by flow cytometry and single cell RNA sequencing data analysis, and the molecular mechanism underlying anti-tumorigenic macrophage differentiation, antigen presentation, phagocytosis was investigated ex vivo. Finally, the clinical feasibility of CD244-negative monocytes as a therapeutic modality in melanoma was confirmed by adoptive transfer experiments. RESULTS CD244fl/flLysMcre mice demonstrated a significant reduction in tumor volume (61% relative to that of the CD244fl/fl control group) 14 days after tumor implantation. Within tumor mass, CD244fl/flLysMcre mice also showed higher percentages of Ly6Clow macrophages, along with elevated gp100+IFN-γ+ CD8 T cells. Flow cytometry and RNA sequencing data demonstrated that ER stress resulted in increased CD244 expression on monocytes. This, in turn, impeded the generation of anti-tumorigenic Ly6Clow macrophages, phagocytosis and MHC-I antigen presentation by suppressing autophagy pathways. Combining anti-PD-L1 antibody with CD244-/- bone marrow-derived macrophages markedly improved tumor rejection compared to the anti-PD-L1 antibody alone or in combination with wild-type macrophages. Consistent with the murine data, transcriptome analysis of human melanoma tissue single-cell RNA-sequencing dataset revealed close association between CD244 and the inhibition of macrophage maturation and function. Furthermore, the presence of CD244-negative monocytes/macrophages significantly increased patient survival in primary and metastatic tumors. CONCLUSION Our study highlights the novel role of CD244 on monocytes/macrophages in restraining anti-tumorigenic macrophage generation and tumor antigen-specific T cell response in melanoma. Importantly, our findings suggest that CD244-deficient macrophages could potentially be used as a therapeutic agent in combination with immune checkpoint inhibitors. Furthermore, CD244 expression in monocyte-lineage cells serve as a prognostic marker in cancer patients.
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Affiliation(s)
- Jeongsoo Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Tae-Jin Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, South Korea
| | - Sehyun Chae
- Division of Chemical Engineering and Bioengineering, College of Art, Culture and Engineering, Kangwon National University, Chuncheon, 24341, South Korea
| | - Hyojeong Ha
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Yejin Park
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Sunghee Park
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Chul Joo Yoon
- Department of Chemical and Biological Engineering, College of Engineering, Korea University, Seoul, 02841, South Korea
| | - Seon Ah Lim
- Department of Life Science, Ewha Womans University, Seoul, 03760, South Korea
| | - Hyemin Lee
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Jiyoung Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Jungwon Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Kyungtaek Im
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Kyunghye Lee
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Jeongmin Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Daham Kim
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, South Korea
| | - Eunju Lee
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
- Division of Radiation Biomedical Research, Korea Institute of Radiological and Medical Sciences, Seoul, 01812, South Korea
| | - Min Hwa Shin
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
- Immune Research Institute, Seegene Medical Foundation, Seoul, 04805, South Korea
| | - Serk In Park
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea
| | - Inmoo Rhee
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, South Korea
| | - Keehoon Jung
- Department of Biomedical Sciences, Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Jeewon Lee
- Department of Chemical and Biological Engineering, College of Engineering, Korea University, Seoul, 02841, South Korea
| | - Keun Hwa Lee
- Department of Microbiology, College of Medicine, Hanyang University, Seoul, 04763, South Korea.
| | - Daehee Hwang
- School of Biological Sciences, Seoul National University, Seoul, 08826, South Korea.
| | - Kyung-Mi Lee
- Department of Biochemistry and Molecular biology, College of Medicine, Korea University, Seoul, 02841, South Korea.
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11
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Liang B, Yan T, Wei H, Zhang D, Li L, Liu Z, Li W, Zhang Y, Jiang N, Meng Q, Jiang G, Hu Y, Leng J. HERVK-mediated regulation of neighboring genes: implications for breast cancer prognosis. Retrovirology 2024; 21:4. [PMID: 38388382 PMCID: PMC10885364 DOI: 10.1186/s12977-024-00636-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 02/18/2024] [Indexed: 02/24/2024] Open
Abstract
Human endogenous retroviruses (HERVs) are the remnants of ancient retroviral infections integrated into the human genome. Although most HERVs are silenced or rendered inactive by various regulatory mechanisms, they retain the potential to influence the nearby genes. We analyzed the regulatory map of 91 HERV-Ks on neighboring genes in human breast cancer and investigated the impact of HERV-Ks on the tumor microenvironment (TME) and prognosis of breast cancer. Nine RNA-seq datasets were obtained from GEO and NCBI SRA. Differentially expressed genes and HERV-Ks were analyzed using DESeq2. Validation of high-risk prognostic candidate genes using TCGA data. These included Overall survival (multivariate Cox regression model), immune infiltration analysis (TIMER), tumor mutation burden (maftools), and drug sensitivity analysis (GSCA). A total of 88 candidate genes related to breast cancer prognosis were screened, of which CD48, SLAMF7, SLAMF1, IGLL1, IGHA1, and LRRC8A were key genes. Functionally, these six key genes were significantly enriched in some immune function-related pathways, which may be associated with poor prognosis for breast cancer (p = 0.00016), and the expression levels of these genes were significantly correlated with the sensitivity of breast cancer treatment-related drugs. Mechanistically, they may influence breast cancer development by modulating the infiltration of various immune cells into the TME. We further experimentally validated these genes to confirm the results obtained from bioinformatics analysis. This study represents the first report on the regulatory potential of HERV-K in the neighboring breast cancer genome. We identified three key HERV-Ks and five neighboring genes that hold promise as novel targets for future interventions and treatments for breast cancer.
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Affiliation(s)
- Boying Liang
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory of Translational Medicine for Treating High-Incidence Infectious Diseases with Integrative Medicine, Nanning, China
| | - Tengyue Yan
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bioresource Development and Application Co-Constructed by the Province and Ministry, Guangxi Medical University, Nanning, China
| | - Huilin Wei
- School of Institute of Life Sciences, Guangxi Medical University, Nanning, China
| | - Die Zhang
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bioresource Development and Application Co-Constructed by the Province and Ministry, Guangxi Medical University, Nanning, China
| | - Lanxiang Li
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Zengjing Liu
- Genomic Experimental Center, Guangxi Medical University, Nanning, China
| | - Wen Li
- Genomic Experimental Center, Guangxi Medical University, Nanning, China
| | - Yuluan Zhang
- Genomic Experimental Center, Guangxi Medical University, Nanning, China
| | - Nili Jiang
- School of Institute of Life Sciences, Guangxi Medical University, Nanning, China
| | - Qiuxia Meng
- Genomic Experimental Center, Guangxi Medical University, Nanning, China
| | - Guiyang Jiang
- Genomic Experimental Center, Guangxi Medical University, Nanning, China
| | - Yanling Hu
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bioresource Development and Application Co-Constructed by the Province and Ministry, Guangxi Medical University, Nanning, China.
- School of Institute of Life Sciences, Guangxi Medical University, Nanning, China.
- Genomic Experimental Center, Guangxi Medical University, Nanning, China.
| | - Jing Leng
- Department of Immunology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Guangxi Key Laboratory of Translational Medicine for Treating High-Incidence Infectious Diseases with Integrative Medicine, Nanning, China.
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12
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Mistri SK, Hilton BM, Horrigan KJ, Andretta ES, Savard R, Dienz O, Hampel KJ, Gerrard DL, Rose JT, Sidiropoulos N, Majumdar D, Boyson JE. SLAM/SAP signaling regulates discrete γδ T cell developmental checkpoints and shapes the innate-like γδ TCR repertoire. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.10.575073. [PMID: 38260519 PMCID: PMC10802474 DOI: 10.1101/2024.01.10.575073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
During thymic development, most γδ T cells acquire innate-like characteristics that are critical for their function in tumor surveillance, infectious disease, and tissue repair. The mechanisms, however, that regulate γδ T cell developmental programming remain unclear. Recently, we demonstrated that the SLAM-SAP signaling pathway regulates the development and function of multiple innate-like γδ T cell subsets. Here, we used a single-cell proteogenomics approach to identify SAP-dependent developmental checkpoints and to define the SAP-dependent γδ TCR repertoire. SAP deficiency resulted in both a significant loss of an immature Gzma + Blk + Etv5 + Tox2 + γδT17 precursor population, and a significant increase in Cd4 + Cd8 + Rorc + Ptcra + Rag1 + thymic γδ T cells. SAP-dependent diversion of embryonic day 17 thymic γδ T cell clonotypes into the αβ T cell developmental pathway was associated with a decreased frequency of mature clonotypes in neonatal thymus, and an altered γδ TCR repertoire in the periphery. Finally, we identify TRGV4/TRAV13-4(DV7)-expressing T cells as a novel, SAP-dependent Vγ4 γδT1 subset. Together, the data suggest that SAP-dependent γδ/αβ T cell lineage commitment regulates γδ T cell developmental programming and shapes the γδ TCR repertoire.
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13
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Yin H, Gu P, Xie Y, You X, Zhang Y, Yao Y, Yang S, Wang D, Chen W, Ma J. ALKBH5 mediates silica particles-induced pulmonary inflammation through increased m 6A modification of Slamf7 and autophagy dysfunction. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132736. [PMID: 37827106 DOI: 10.1016/j.jhazmat.2023.132736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 09/21/2023] [Accepted: 10/05/2023] [Indexed: 10/14/2023]
Abstract
Silica particles are commonly encountered in natural and industrial activities. Long-term environmental exposure to silica can result in silicosis, which is characterized by chronic inflammation and abnormal tissue repair in lung. To uncover the role of m6A modification in silica-induced pulmonary inflammation, we conducted this study using established mouse and macrophage models. In this study, the aerodynamic diameter of silica particles was approximately 1-2 µm. We demonstrated that silica exposure in mice caused pulmonary inflammation and increased global m6A modification levels, the downregulation of alkB homolog 5 (ALKBH5) might contribute to this alteration. Besides, we found that F4/80, a macrophage-specific biomarker, was co-expressed with ALKBH5 through dual immunofluorescent staining. In vitro studies using MeRIP assays suggested that Slamf7 was a target gene regulated by m6A modification, and specific inhibition of ALKBH5 increased Slamf7 expression. Mechanistically, ALKBH5 promoted m6A modification of Slamf7, which decreased Slamf7 mRNA stability in an m6A-dependent manner, ultimately regulating Slamf7 expression. In addition, silica exposure activated PI3K/AKT and induced macrophage autophagy. Inhibition of Slamf7 promoted autophagy, reduced the secretion of pro-inflammatory cytokines, and improved silica-induced pulmonary inflammation. In summary, ALKBH5 can regulate silica-induced pulmonary inflammation by modulating Slamf7 m6A modification and affecting the function of macrophage autophagy.
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Affiliation(s)
- Haoyu Yin
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Pei Gu
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yujia Xie
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Xiaojie You
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yingdie Zhang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yuxin Yao
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Shiyu Yang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Dongming Wang
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Weihong Chen
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| | - Jixuan Ma
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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14
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Mishra AK, Gupta A, Dagar G, Das D, Chakraborty A, Haque S, Prasad CP, Singh A, Bhat AA, Macha MA, Benali M, Saini KS, Previs RA, Saini D, Saha D, Dutta P, Bhatnagar AR, Darswal M, Shankar A, Singh M. CAR-T-Cell Therapy in Multiple Myeloma: B-Cell Maturation Antigen (BCMA) and Beyond. Vaccines (Basel) 2023; 11:1721. [PMID: 38006053 PMCID: PMC10674477 DOI: 10.3390/vaccines11111721] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/19/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023] Open
Abstract
Significant progress has been achieved in the realm of therapeutic interventions for multiple myeloma (MM), leading to transformative shifts in its clinical management. While conventional modalities such as surgery, radiotherapy, and chemotherapy have improved the clinical outcomes, the overarching challenge of effecting a comprehensive cure for patients afflicted with relapsed and refractory MM (RRMM) endures. Notably, adoptive cellular therapy, especially chimeric antigen receptor T-cell (CAR-T) therapy, has exhibited efficacy in patients with refractory or resistant B-cell malignancies and is now also being tested in patients with MM. Within this context, the B-cell maturation antigen (BCMA) has emerged as a promising candidate for CAR-T-cell antigen targeting in MM. Alternative targets include SLAMF7, CD38, CD19, the signaling lymphocyte activation molecule CS1, NKG2D, and CD138. Numerous clinical studies have demonstrated the clinical efficacy of these CAR-T-cell therapies, although longitudinal follow-up reveals some degree of antigenic escape. The widespread implementation of CAR-T-cell therapy is encumbered by several barriers, including antigenic evasion, uneven intratumoral infiltration in solid cancers, cytokine release syndrome, neurotoxicity, logistical implementation, and financial burden. This article provides an overview of CAR-T-cell therapy in MM and the utilization of BCMA as the target antigen, as well as an overview of other potential target moieties.
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Affiliation(s)
- Abhinava K. Mishra
- Molecular, Cellular and Developmental Biology Department, University of California Santa Barbara, Santa Barbara, CA 93106, USA;
| | - Ashna Gupta
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India; (A.G.); (G.D.); (C.P.P.)
| | - Gunjan Dagar
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India; (A.G.); (G.D.); (C.P.P.)
| | - Dayasagar Das
- Department of Medicine, NYU Langone Health, New York, NY 10016, USA;
| | - Abhijit Chakraborty
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Shabirul Haque
- Feinstein Institute of Medical Research, Northwell Health, Manhasset, NY 11030, USA;
| | - Chandra Prakash Prasad
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India; (A.G.); (G.D.); (C.P.P.)
| | - Archana Singh
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India;
| | - Ajaz A. Bhat
- Precision Medicine in Diabetes, Obesity and Cancer Program, Department of Human Genetics, Sidra Medicine, Doha P.O. Box 26999, Qatar;
| | - Muzafar A. Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Awantipora 192122, India;
| | - Moez Benali
- Fortrea Inc., Durham, NC 27709, USA; (M.B.); (K.S.S.)
| | - Kamal S. Saini
- Fortrea Inc., Durham, NC 27709, USA; (M.B.); (K.S.S.)
- Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, UK
| | - Rebecca Ann Previs
- Labcorp Oncology, Durham, NC 27560, USA;
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Duke University Medical Center, Durham, NC 27710, USA
| | - Deepak Saini
- Department of Materia Medica, State Lal Bahadur Shastri Homoeopathic Medical College, Prayagraj 211013, India;
| | - Dwaipayan Saha
- Pratap Chandra Memorial Homoeopathic Hospital & College, Kolkata 700011, India; (D.S.); (P.D.)
| | - Preyangsee Dutta
- Pratap Chandra Memorial Homoeopathic Hospital & College, Kolkata 700011, India; (D.S.); (P.D.)
| | - Aseem Rai Bhatnagar
- Department of Radiation Oncology, Henry Ford Cancer Institute, Detroit, MI 48202, USA;
| | - Mrinalini Darswal
- Harvard T.H. Chan School of Public Health, Huntington Ave, Boston, MA 02115, USA;
| | - Abhishek Shankar
- Department of Radiation Oncology, Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India
| | - Mayank Singh
- Department of Medical Oncology (Lab), Dr. BRAIRCH, All India Institute of Medical Sciences (AIIMS), New Delhi 110029, India; (A.G.); (G.D.); (C.P.P.)
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15
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Liu J, Peng H, Yu T, Huang Y, Tan N, Pang L, Wu Y, Wang L. Increased SLAMF7 +CD8 + T cells are associated with the pathogenesis of experimental autoimmune pancreatitis in mice. Pancreatology 2023; 23:767-776. [PMID: 37661465 DOI: 10.1016/j.pan.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/16/2023] [Accepted: 08/20/2023] [Indexed: 09/05/2023]
Abstract
BACKGROUND IgG4-related autoimmune pancreatitis (AIP) is considered to be a T cell-mediated autoimmune disease. However, CD8+ T cells have only received brief mention, and have yet to be completely studied. The study aimed to investigate the expression of signaling lymphocytic activation molecule family 7 (SLAMF7) on CD8+ T cells and the features of SLAMF7+CD8+ T cells in MRL/Mp mice with AIP. METHODS A murine model of AIP was established by intraperitoneal injection with polyinosinic:polycytidylic acid (poly I:C) for 8 weeks. Dexamethasone treatment was daily administrated for the last 2 weeks during a 6-week course of poly I:C. SLAMF7 expression on CD8+ T cells in the spleen and pancreas was detected by flow cytometry. Granzyme B (GZMB) and cytokines including IFN-γ, TNF-α, and IL-2, were monitored in an in vitro T cell activation assay. Dexamethasone suppression assays were performed to downregulate SLAMF7 expression on T cells upon T cell receptor stimulation. RESULTS AIP in MRL/Mp mice was induced by repeated intraperitoneal administration of poly I:C and CD8+ T cells were increased in the inflamed pancreas. SLAMF7+CD8+ T cells were elevated in the spleen and pancreas of AIP mice. SLAMF7+CD8+ T subsets produced more GZMB, IFN-γ, TNF-α and IL-2 than SLAMF7-CD8+ T subsets. Dexamethasone treatment ameliorated pancreatic inflammatory and fibrosis of AIP. Dexamethasone could downregulate SLAMF7+CD8+ T cells and reduce GZMB, IFN-γ and TNF-α levels both in vitro and in vivo. CONCLUSIONS Increased SLAMF7+CD8+ T cells exhibit enhanced cytotoxicity and cytokines secretion capacity, which may be involved in the pathogenesis of AIP.
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Affiliation(s)
- Jia Liu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Hui Peng
- Department of Pathology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Tingfeng Yu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yanlin Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ning Tan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Li Pang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yongtong Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Lingyun Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation and Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
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16
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Chen H, Han Z, Fan Y, Chen L, Peng F, Cheng X, Wang Y, Su J, Li D. CD4+ T-cell subsets in autoimmune hepatitis: A review. Hepatol Commun 2023; 7:e0269. [PMID: 37695088 PMCID: PMC10497257 DOI: 10.1097/hc9.0000000000000269] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 08/02/2023] [Indexed: 09/12/2023] Open
Abstract
Autoimmune hepatitis (AIH) is a chronic autoimmune liver disease that can lead to hepatocyte destruction, inflammation, liver fibrosis, cirrhosis, and liver failure. The diagnosis of AIH requires the identification of lymphoblast cell interface hepatitis and serum biochemical abnormalities, as well as the exclusion of related diseases. According to different specific autoantibodies, AIH can be divided into AIH-1 and AIH-2. The first-line treatment for AIH is a corticosteroid and azathioprine regimen, and patients with liver failure require liver transplantation. However, the long-term use of corticosteroids has obvious side effects, and patients are prone to relapse after drug withdrawal. Autoimmune diseases are characterized by an imbalance in immune tolerance of self-antigens, activation of autoreactive T cells, overactivity of B cells, and increased production of autoantibodies. CD4+ T cells are key players in adaptive immunity and can secrete cytokines, activate B cells to produce antibodies, and influence the cytotoxicity of CD8+ T cells. According to their characteristics, CD4+ T cells can be divided into different subsets. In this review, we discuss the changes in T helper (Th)1, Th2, Th17, Th9, Th22, regulatory T cell, T follicular helper, and T peripheral helper cells and their related factors in AIH and discuss the therapeutic potential of targeting CD4+ T-cell subsets in AIH.
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Affiliation(s)
| | - Zhongyu Han
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yiyue Fan
- Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Liuyan Chen
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fang Peng
- Chengdu Xinhua Hospital, Chengdu, China
| | | | - Yi Wang
- Chengdu Xinhua Hospital, Chengdu, China
| | - Junyan Su
- The First People’s Hospital of Longquanyi District, Chengdu, China
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17
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Tojjari A, Giles FJ, Vilbert M, Saeed A, Cavalcante L. SLAM Modification as an Immune-Modulatory Therapeutic Approach in Cancer. Cancers (Basel) 2023; 15:4808. [PMID: 37835502 PMCID: PMC10571764 DOI: 10.3390/cancers15194808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
In the field of oncology, the Signaling Lymphocyte Activation Molecule (SLAM) family is emerging as pivotal in modulating immune responses within tumor environments. The SLAM family comprises nine receptors, mainly found on immune cell surfaces. These receptors play complex roles in the interaction between cancer and the host immune system. Research suggests SLAM's role in both enhancing and dampening tumor-immune responses, influencing the progression and treatment outcomes of various cancers. As immunotherapy advances, resistance remains an issue. The nuanced roles of the SLAM family might provide answers. With the rise in technologies like single-cell RNA sequencing and advanced imaging, there is potential for precise SLAM-targeted treatments. This review stresses patient safety, the importance of thorough clinical trials, and the potential of SLAM-focused therapies to transform cancer care. In summary, SLAM's role in oncology signals a new direction for more tailored and adaptable cancer treatments.
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Affiliation(s)
- Alireza Tojjari
- Department of Medicine, Division of Hematology & Oncology, University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA 15213, USA; (A.T.); (M.V.)
| | | | - Maysa Vilbert
- Department of Medicine, Division of Hematology & Oncology, University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA 15213, USA; (A.T.); (M.V.)
| | - Anwaar Saeed
- Department of Medicine, Division of Hematology & Oncology, University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA 15213, USA; (A.T.); (M.V.)
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18
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Effer B, Perez I, Ulloa D, Mayer C, Muñoz F, Bustos D, Rojas C, Manterola C, Vergara-Gómez L, Dappolonnio C, Weber H, Leal P. Therapeutic Targets of Monoclonal Antibodies Used in the Treatment of Cancer: Current and Emerging. Biomedicines 2023; 11:2086. [PMID: 37509725 PMCID: PMC10377242 DOI: 10.3390/biomedicines11072086] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Cancer is one of the leading global causes of death and disease, and treatment options are constantly evolving. In this sense, the use of monoclonal antibodies (mAbs) in immunotherapy has been considered a fundamental aspect of modern cancer therapy. In order to avoid collateral damage, it is indispensable to identify specific molecular targets or biomarkers of therapy and/or diagnosis (theragnostic) when designing an appropriate immunotherapeutic regimen for any type of cancer. Furthermore, it is important to understand the currently employed mAbs in immunotherapy and their mechanisms of action in combating cancer. To achieve this, a comprehensive understanding of the biology of cancer cell antigens, domains, and functions is necessary, including both those presently utilized and those emerging as potential targets for the design of new mAbs in cancer treatment. This review aims to provide a description of the therapeutic targets utilized in cancer immunotherapy over the past 5 years, as well as emerging targets that hold promise as potential therapeutic options in the application of mAbs for immunotherapy. Additionally, the review explores the mechanisms of actin of the currently employed mAbs in immunotherapy.
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Affiliation(s)
- Brian Effer
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Isabela Perez
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Daniel Ulloa
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Carolyn Mayer
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Francisca Muñoz
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Diego Bustos
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Claudio Rojas
- Programa de Doctorado en Ciencias Médicas, Universidad de la Frontera, Temuco 4811230, Chile
- Centro de Estudios Morfológicos y Quirúrgicos de La, Universidad de La Frontera, Temuco 4811230, Chile
| | - Carlos Manterola
- Programa de Doctorado en Ciencias Médicas, Universidad de la Frontera, Temuco 4811230, Chile
- Centro de Estudios Morfológicos y Quirúrgicos de La, Universidad de La Frontera, Temuco 4811230, Chile
| | - Luis Vergara-Gómez
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Camila Dappolonnio
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Helga Weber
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
| | - Pamela Leal
- Center of Excellence in Translational Medicine (CEMT) and Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811230, Chile
- Department of Agricultural Sciences and Natural Resources, Faculty of Agricultural and Forestry Science, Universidad de La Frontera, Temuco 4810296, Chile
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19
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Farhangnia P, Ghomi SM, Mollazadehghomi S, Nickho H, Akbarpour M, Delbandi AA. SLAM-family receptors come of age as a potential molecular target in cancer immunotherapy. Front Immunol 2023; 14:1174138. [PMID: 37251372 PMCID: PMC10213746 DOI: 10.3389/fimmu.2023.1174138] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 05/02/2023] [Indexed: 05/31/2023] Open
Abstract
The signaling lymphocytic activation molecule (SLAM) family receptors were discovered in immune cells for the first time. The SLAM-family receptors are a significant player in cytotoxicity, humoral immune responses, autoimmune diseases, lymphocyte development, cell survival, and cell adhesion. There is growing evidence that SLAM-family receptors have been involved in cancer progression and heralded as a novel immune checkpoint on T cells. Previous studies have reported the role of SLAMs in tumor immunity in various cancers, including chronic lymphocytic leukemia, lymphoma, multiple myeloma, acute myeloid leukemia, hepatocellular carcinoma, head and neck squamous cell carcinoma, pancreas, lung, and melanoma. Evidence has deciphered that the SLAM-family receptors may be targeted for cancer immunotherapy. However, our understanding in this regard is not complete. This review will discuss the role of SLAM-family receptors in cancer immunotherapy. It will also provide an update on recent advances in SLAM-based targeted immunotherapies.
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Affiliation(s)
- Pooya Farhangnia
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Shamim Mollazadeh Ghomi
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Shabnam Mollazadehghomi
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hamid Nickho
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahzad Akbarpour
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Advanced Cellular Therapeutics Facility (ACTF), Hematopoietic Cellular Therapy Program, Section of Hematology & Oncology, Department of Medicine, University of Chicago Medical Center, Chicago, IL, United States
| | - Ali-Akbar Delbandi
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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20
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Gonzales C, Liang Y, Fisher J, Card G, Sun J, Soong L. Alterations in germinal center formation and B cell activation during severe Orientia tsutsugamushi infection in mice. PLoS Negl Trop Dis 2023; 17:e0011090. [PMID: 37146079 PMCID: PMC10191367 DOI: 10.1371/journal.pntd.0011090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/17/2023] [Accepted: 04/17/2023] [Indexed: 05/07/2023] Open
Abstract
Scrub typhus is a poorly studied but life-threatening disease caused by the intracellular bacterium Orientia tsutsugamushi (Ot). Cellular and humoral immunity in Ot-infected patients is not long-lasting, waning as early as one-year post-infection; however, its underlying mechanisms remain unclear. To date, no studies have examined germinal center (GC) or B cell responses in Ot-infected humans or experimental animals. This study was aimed at evaluating humoral immune responses at acute stages of severe Ot infection and possible mechanisms underlying B cell dysfunction. Following inoculation with Ot Karp, a clinically dominant strain known to cause lethal infection in C57BL/6 mice, we measured antigen-specific antibody titers, revealing IgG2c as the dominant isotype induced by infection. Splenic GC responses were evaluated by immunohistology, co-staining for B cells (B220), T cells (CD3), and GCs (GL-7). Organized GCs were evident at day 4 post-infection (D4), but they were nearly absent at D8, accompanied by scattered T cells throughout splenic tissues. Flow cytometry revealed comparable numbers of GC B cells and T follicular helper (Tfh) cells at D4 and D8, indicating that GC collapse was not due to excessive death of these cell subtypes at D8. B cell RNAseq analysis revealed significant differences in expression of genes associated with B cell adhesion and co-stimulation at D8 versus D4. The significant downregulation of S1PR2 (a GC-specific adhesion gene) was most evident at D8, correlating with disrupted GC formation. Signaling pathway analysis uncovered downregulation of 71% of B cell activation genes at D8, suggesting attenuation of B cell activation during severe infection. This is the first study showing the disruption of B/T cell microenvironment and dysregulation of B cell responses during Ot infection, which may help understand the transient immunity associated with scrub typhus.
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Affiliation(s)
- Casey Gonzales
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Yuejin Liang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - James Fisher
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Galen Card
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Jiaren Sun
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Lynn Soong
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, United States of America
- Sealy Institute for Vaccine Sciences, University of Texas Medical Branch, Galveston, Texas, United States of America
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21
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Gurwicz N, Stoler-Barak L, Schwan N, Bandyopadhyay A, Meyer-Hermann M, Shulman Z. Tingible body macrophages arise from lymph node-resident precursors and uptake B cells by dendrites. J Exp Med 2023; 220:213834. [PMID: 36705667 PMCID: PMC9900388 DOI: 10.1084/jem.20222173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/28/2023] Open
Abstract
Antibody affinity maturation depends on the formation of germinal centers (GCs) in lymph nodes. This process generates a massive number of apoptotic B cells, which are removed by a specialized subset of phagocytes, known as tingible body macrophages (TBMs). Although defects in these cells are associated with pathological conditions, the identity of their precursors and the dynamics of dying GC B cell disposal remained unknown. Here, we demonstrate that TBMs originate from pre-existing lymph node-resident precursors that enter the lymph node follicles in a GC-dependent manner. Intravital imaging shows that TBMs are stationary cells that selectively phagocytose GC B cells via highly dynamic protrusions and accommodate the final stages of B cell apoptosis. Cell-specific depletion and chimeric mouse models revealed that GC B cells drive TBM formation from bone marrow-derived precursors stationed within lymphoid organs prior to the immune challenge. Understanding TBM dynamics and function may explain the emergence of various antibody-mediated autoimmune conditions.
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Affiliation(s)
- Neta Gurwicz
- Department of Systems Immunology, Weizmann Institute of Science , Rehovot, Israel
| | - Liat Stoler-Barak
- Department of Systems Immunology, Weizmann Institute of Science , Rehovot, Israel
| | - Niklas Schwan
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research , Braunschweig, Germany
| | - Arnab Bandyopadhyay
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research , Braunschweig, Germany
| | - Michael Meyer-Hermann
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research , Braunschweig, Germany.,Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig , Braunschweig, Germany
| | - Ziv Shulman
- Department of Systems Immunology, Weizmann Institute of Science , Rehovot, Israel
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22
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Kim YJ, Oh J, Jung S, Kim CJ, Choi J, Jeon YK, Kim HJ, Kim JW, Suh CH, Lee Y, Im SH, Crotty S, Choi YS. The transcription factor Mef2d regulates B:T synapse-dependent GC-T FH differentiation and IL-21-mediated humoral immunity. Sci Immunol 2023; 8:eadf2248. [PMID: 36961907 PMCID: PMC10311795 DOI: 10.1126/sciimmunol.adf2248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 02/15/2023] [Indexed: 03/26/2023]
Abstract
Communication between CD4 T cells and cognate B cells is key for the former to fully mature into germinal center-T follicular helper (GC-TFH) cells and for the latter to mount a CD4 T cell-dependent humoral immune response. Although this interaction occurs in a B:T synapse-dependent manner, how CD4 T cells transcriptionally regulate B:T synapse formation remains largely unknown. Here, we report that Mef2d, an isoform of the myocyte enhancer factor 2 (Mef2) transcription factor family, is a critical regulator of this process. In CD4 T cells, Mef2d negatively regulates expression of Sh2d1a, which encodes SLAM-associated protein (SAP), a critical regulator of B:T synapses. We found that Mef2d regulates Sh2d1a expression via DNA binding-dependent transcriptional repression, inhibiting SAP-dependent B:T synapse formation and preventing antigen-specific CD4 T cells from differentiating into GC-TFH cells. Mef2d also impeded IL-21 production by CD4 T cells, an important B cell help signaling molecule, via direct repression of the Il21 gene. In contrast, CD4 T cell-specific disruption of Mef2d led to a substantial increase in GC-TFH differentiation in response to protein immunization, concurrent with enhanced SAP expression. MEF2D mRNA expression inversely correlates with human systemic lupus erythematosus (SLE) patient autoimmune parameters, including circulating TFH-like cell frequencies, autoantibodies, and SLEDAI scores. These findings highlight Mef2d as a pivotal rheostat in CD4 T cells for controlling GC formation and antibody production by B cells.
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Affiliation(s)
- Ye-Ji Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea
| | - Jeein Oh
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea
| | - Soohan Jung
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea
| | - Chan Johng Kim
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - Jinyong Choi
- Department of Microbiology, Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yoon Kyung Jeon
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun Jik Kim
- Department of Otorhinolaryngology, Seoul National University Hospital, Seoul, Korea
| | - Ji-Won Kim
- Department of Rheumatology, Ajou University School of Medicine, Gyeonggi-do, Korea
| | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, Gyeonggi-do, Korea
| | - Yoontae Lee
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - Sin-Hyeog Im
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Korea
- ImmunoBiome Inc., Pohang, Korea
- Institute for Convergence Research and Education in Advanced Technology, Yonsei University, Seoul, Korea
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- University of California San Diego, Department of Medicine, Division of Infectious Diseases and Global Public Health, La Jolla, CA, USA
| | - Youn Soo Choi
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Korea
- Department of Medicine, Seoul National University College of Medicine, Seoul, Korea
- Transplantation Research Institute, Seoul National University Hospital, Seoul, Korea
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Emerging phagocytosis checkpoints in cancer immunotherapy. Signal Transduct Target Ther 2023; 8:104. [PMID: 36882399 PMCID: PMC9990587 DOI: 10.1038/s41392-023-01365-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 01/31/2023] [Accepted: 02/14/2023] [Indexed: 03/09/2023] Open
Abstract
Cancer immunotherapy, mainly including immune checkpoints-targeted therapy and the adoptive transfer of engineered immune cells, has revolutionized the oncology landscape as it utilizes patients' own immune systems in combating the cancer cells. Cancer cells escape immune surveillance by hijacking the corresponding inhibitory pathways via overexpressing checkpoint genes. Phagocytosis checkpoints, such as CD47, CD24, MHC-I, PD-L1, STC-1 and GD2, have emerged as essential checkpoints for cancer immunotherapy by functioning as "don't eat me" signals or interacting with "eat me" signals to suppress immune responses. Phagocytosis checkpoints link innate immunity and adaptive immunity in cancer immunotherapy. Genetic ablation of these phagocytosis checkpoints, as well as blockade of their signaling pathways, robustly augments phagocytosis and reduces tumor size. Among all phagocytosis checkpoints, CD47 is the most thoroughly studied and has emerged as a rising star among targets for cancer treatment. CD47-targeting antibodies and inhibitors have been investigated in various preclinical and clinical trials. However, anemia and thrombocytopenia appear to be formidable challenges since CD47 is ubiquitously expressed on erythrocytes. Here, we review the reported phagocytosis checkpoints by discussing their mechanisms and functions in cancer immunotherapy, highlight clinical progress in targeting these checkpoints and discuss challenges and potential solutions to smooth the way for combination immunotherapeutic strategies that involve both innate and adaptive immune responses.
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Rietdijk S, Keszei M, Castro W, Terhorst C, Abadía-Molina AC. Characterization of Ly108-H1 Signaling Reveals Ly108-3 Expression and Additional Strain-Specific Differences in Lupus Prone Mice. Int J Mol Sci 2023; 24:5024. [PMID: 36902453 PMCID: PMC10003074 DOI: 10.3390/ijms24055024] [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: 01/15/2023] [Revised: 02/10/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Ly108 (SLAMF6) is a homophilic cell surface molecule that binds SLAM-associated protein (SAP), an intracellular adapter protein that modulates humoral immune responses. Furthermore, Ly108 is crucial for the development of natural killer T (NKT) cells and CTL cytotoxicity. Significant attention has been paid towards expression and function of Ly108 since multiple isoforms were identified, i.e., Ly108-1, Ly108-2, Ly108-3, and Ly108-H1, some of which are differentially expressed in several mouse strains. Surprisingly, Ly108-H1 appeared to protect against disease in a congenic mouse model of Lupus. Here, we use cell lines to further define Ly108-H1 function in comparison with other isoforms. We show that Ly108-H1 inhibits IL-2 production while having little effect upon cell death. With a refined method, we could detect phosphorylation of Ly108-H1 and show that SAP binding is retained. We propose that Ly108-H1 may regulate signaling at two levels by retaining the capability to bind its extracellular as well as intracellular ligands, possibly inhibiting downstream pathways. In addition, we detected Ly108-3 in primary cells and show that this isoform is also differentially expressed between mouse strains. The presence of additional binding motifs and a non-synonymous SNP in Ly108-3 further extends the diversity between murine strains. This work highlights the importance of isoform awareness, as inherent homology can present a challenge when interpreting mRNA and protein expression data, especially as alternatively splicing potentially affects function.
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Affiliation(s)
- Svend Rietdijk
- Unidad de Inmunología, IBIMER, CIBM, Universidad de Granada, 18016 Granada, Spain
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
- Department of Gastroenterology and Hepatology, OLVG Hospital, 1091 AC Amsterdam, The Netherlands
| | - Marton Keszei
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Wilson Castro
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Cox Terhorst
- Division of Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Ana C. Abadía-Molina
- Unidad de Inmunología, IBIMER, CIBM, Universidad de Granada, 18016 Granada, Spain
- Departamento de Bioquímica y Biología Molecular III e Inmunología, Facultad de Medicina, Universidad de Granada, 18016 Granada, Spain
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Jayachamarajapura Onkaramurthy N, Suresh SC, Theetha Kariyanna P, Jayarangaiah A, Prakash G, Raju B. IgG4 related disease and aortitis: an up-to-date review. Scand J Rheumatol 2023; 52:306-316. [PMID: 36763458 DOI: 10.1080/03009742.2022.2145744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Aortic involvement in immunoglobulin G4-related disease (IgG4-RD) is extremely rare and is often overlooked during the aortitis work-up. IgG4-related aortitis differs from non-IgG4-related aortitis in its histopathological features, site of involvement, laboratory markers, and treatment options. The histopathological examination of the vessel walls characteristically reveals adventitial thickening with intimal sparing, typically affecting the infrarenal abdominal aorta. In addition, inadequate knowledge about the disease often leads to delayed or missed diagnosis and undermanagement of a potentially treatable condition. Hence, in this paper, we review the unique clinical manifestations, laboratory markers, diagnostic features, current treatment strategies, and novel experimental therapeutic options in the management of IgG4-related aortitis.
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Affiliation(s)
| | - S C Suresh
- Department of Internal Medicine, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - P Theetha Kariyanna
- Division of Interventional Cardiology, Marshfield Clinic Health System, Marshfield, WI, USA
| | - A Jayarangaiah
- Department of Hematology and Oncology, Prevea Cancer Center at HSHS Sacred Heart Hospital, Eau Claire, WI, USA
| | - G Prakash
- Department of Hepatobiliary Surgery, New Jersey Medical College, Newark, NJ, USA
| | - B Raju
- Department of Neurosurgery, Rutgers-Robert Wood Johnson Medical School & University Hospital, New Brunswick, NJ, USA
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Planas R, Felber M, Vavassori S, Pachlopnik Schmid J. The hyperinflammatory spectrum: from defects in cytotoxicity to cytokine control. Front Immunol 2023; 14:1163316. [PMID: 37187762 PMCID: PMC10175623 DOI: 10.3389/fimmu.2023.1163316] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Cytotoxic lymphocytes kill target cells through polarized release of the content of cytotoxic granules towards the target cell. The importance of this cytotoxic pathway in immune regulation is evidenced by the severe and often fatal condition, known as hemophagocytic lymphohistiocytosis (HLH) that occurs in mice and humans with inborn errors of lymphocyte cytotoxic function. The clinical and preclinical data indicate that the damage seen in severe, virally triggered HLH is due to an overwhelming immune system reaction and not the direct effects of the virus per se. The main HLH-disease mechanism, which links impaired cytotoxicity to excessive release of pro-inflammatory cytokines is a prolongation of the synapse time between the cytotoxic effector cell and the target cell, which prompts the former to secrete larger amounts of cytokines (including interferon gamma) that activate macrophages. We and others have identified novel genetic HLH spectrum disorders. In the present update, we position these newly reported molecular causes, including CD48-haploinsufficiency and ZNFX1-deficiency, within the pathogenic pathways that lead to HLH. These genetic defects have consequences on the cellular level on a gradient model ranging from impaired lymphocyte cytotoxicity to intrinsic activation of macrophages and virally infected cells. Altogether, it is clear that target cells and macrophages may play an independent role and are not passive bystanders in the pathogenesis of HLH. Understanding these processes which lead to immune dysregulation may pave the way to novel ideas for medical intervention in HLH and virally triggered hypercytokinemia.
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Affiliation(s)
- Raquel Planas
- Division of Immunology, University Children’s Hospital Zurich, Zurich, Switzerland
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Barcelona, Spain
| | - Matthias Felber
- Division of Immunology, University Children’s Hospital Zurich, Zurich, Switzerland
| | - Stefano Vavassori
- Division of Immunology, University Children’s Hospital Zurich, Zurich, Switzerland
| | - Jana Pachlopnik Schmid
- Division of Immunology, University Children’s Hospital Zurich, Zurich, Switzerland
- Pediatric Immunology, University of Zurich, Zurich, Switzerland
- *Correspondence: Jana Pachlopnik Schmid,
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Zhang W, Liu T, Jiang L, Chen J, Li Q, Wang J. Immunogenic cell death-related gene landscape predicts the overall survival and immune infiltration status of ovarian cancer. Front Genet 2022; 13:1001239. [PMID: 36425071 PMCID: PMC9679378 DOI: 10.3389/fgene.2022.1001239] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 10/26/2022] [Indexed: 11/10/2022] Open
Abstract
Background: Ovarian cancer (OC) is the most troubling malignant tumor of the female reproductive system. It has a low early diagnosis rate and a high tumor recurrence rate after treatment. Immunogenic cell death (ICD) is a unique form of regulated cell death that can activate the adaptive immune system through the release of DAMPs and cytokines in immunocompromised hosts and establish long-term immunologic memory. Therefore, this study aims to explore the prognostic value and underlying mechanisms of ICD-related genes in OC on the basis of characteristics. Methods: The gene expression profiles and related clinical information of OC were downloaded from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) database. ICD-related genes were collected from the Genecards database. ICD-related prognostic genes were obtained by intersecting ICD-related genes with the OC prognostic-related genes that were analyzed in the TCGA database. Functional enrichment, genetic mutation, and immune infiltration correlation analyses were further performed to identify underlying mechanisms. Subsequently, we developed a TCGA cohort-based prognostic risk model that included a nine-gene signature through univariate and multivariate Cox regression and LASSO regression analyses. Meanwhile, external validation was performed on two sets of GEO cohorts and the TCGA training cohort for three other common tumors in women. In addition, a nomogram was established by integrating clinicopathological features and ICD-related gene signature to predict survival probability. Finally, functional enrichment and immune infiltration analyses were performed on the two risk subgroups. Results: By utilizing nine genes (ERBB2, RB1, CCR7, CD38, IFNB1, ANXA2, CXCL9, SLC9A1, and SLAMF7), we constructed an ICD-related prognostic signature. Subsequently, patients were subdivided into high- and low-risk subgroups in accordance with the median value of the risk score. In multivariate Cox regression analyses, risk score was an independent prognostic factor (hazard ratio = 2.783; p < 0.01). In the TCGA training cohort and the two GEO validation cohorts, patients with high-risk scores had worse prognosis than those with low-risk scores (p < 0.05). The time-dependent receiver operating characteristic curve further validated the prognostic power of the gene signature. Finally, gene set enrichment analysis indicated that multiple oncological pathways were significantly enriched in the high-risk subgroup. By contrast, the low-risk subgroup was strongly related to the immune-related signaling pathways. Immune infiltration analysis further illustrated that most immune cells showed higher levels of infiltration in the low-risk subgroup than in the high-risk subgroup. Conclusion: We constructed a novel ICD-related gene model for forecasting the prognosis and immune infiltration status of patients with OC. In the future, new ICD-related genes may provide novel potential targets for the therapeutic intervention of OC.
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Parham KA, Tan XXS, Morelli DM, Chowdhury L, Craig HC, Kerfoot SM. Pre–Germinal Center Interactions with T Cells Are Natural Checkpoints to Limit Autoimmune B Cell Responses. THE JOURNAL OF IMMUNOLOGY 2022; 209:1703-1712. [DOI: 10.4049/jimmunol.2200534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 08/25/2022] [Indexed: 11/05/2022]
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Qian Y, Yang T, Liang H, Deng M. Myeloid checkpoints for cancer immunotherapy. Chin J Cancer Res 2022; 34:460-482. [PMID: 36398127 PMCID: PMC9646457 DOI: 10.21147/j.issn.1000-9604.2022.05.07] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/08/2022] [Indexed: 11/09/2023] Open
Abstract
Myeloid checkpoints are receptors on the myeloid cell surface which can mediate inhibitory signals to modulate anti-tumor immune activities. They can either inhibit cellular phagocytosis or suppress T cells and are thus involved in the pathogenesis of various diseases. In the tumor microenvironment, besides killing tumor cells by phagocytosis or activating anti-tumor immunity by tumor antigen presentation, myeloid cells could execute pro-tumor efficacies through myeloid checkpoints by interacting with counter-receptors on other immune cells or cancer cells. In summary, myeloid checkpoints may be promising therapeutic targets for cancer immunotherapy.
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Affiliation(s)
- Yixin Qian
- Peking University International Cancer Institute, Health Science Center, Peking University, Beijing 100191, China
- School of Basic Medical Sciences, Health Science Center, Peking University, Beijing 100191, China
| | - Ting Yang
- Peking University International Cancer Institute, Health Science Center, Peking University, Beijing 100191, China
- School of Basic Medical Sciences, Health Science Center, Peking University, Beijing 100191, China
| | - Huan Liang
- School of Basic Medical Sciences, Health Science Center, Peking University, Beijing 100191, China
| | - Mi Deng
- Peking University International Cancer Institute, Health Science Center, Peking University, Beijing 100191, China
- School of Basic Medical Sciences, Health Science Center, Peking University, Beijing 100191, China
- Peking University Cancer Hospital & Institute, Peking University, Beijing 100142, China
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30
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Wang Y, Wang Y, Lu W, Tao L, Xiao Y, Zhou Y, He X, Zhang Y, Li L. Potential pathogenic mechanism of type 1 X-linked lymphoproliferative syndrome caused by a mutation of SH2D1A gene in an infant: A case report. Medicine (Baltimore) 2022; 101:e30951. [PMID: 36254040 PMCID: PMC9575725 DOI: 10.1097/md.0000000000030951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND X-linked lymphoproliferative syndrome (XLP) is a rare X-linked recessive inborn errors of immunity. The pathogenesis of XLP might be related to phophatidylinositol-3-kinase (PI3K)-associated pathways but insight details remain unclear. This study was to study an infant XLP-1 case caused by a mutation in SH2D1A gene, investigate the structural and functional alteration of mutant SAP protein, and explore the potential role of PI3K-associated pathways in the progression of XLP-1. METHODS The proband's condition was monitored by laboratory and imagological examinations. Whole exome sequencing and Sanger sequencing were performed to detect the genetic disorder. Bioinformatics tools including PolyPhen-2, SWISS-MODEL and SWISS-PDB Viewer were used to predict the pathogenicity and estimate structural change of mutant protein. Flow cytometry was used to investigate expression of SAP and PI3K-associated proteins. RESULTS The proband was diagnosed with XLP-1 caused by a hemizygous mutation c.96G > T in SH2D1A gene resulting in a missense substitution of Arginine to Serine at the site of amino acid 32 (p.R32S). The mutant protein contained a hydrogen bond turnover at the site of mutation and was predicted to be highly pathogenic. Expression of SH2D1A encoded protein SAP was downregulated in proband. The PI3K-AKT-mTOR signaling pathway was fully activated in XLP-1 patients, but it was inactive or only partially activated in healthy people or HLH patients. CONCLUSIONS The mutation c.96G > T in SH2D1A gene caused structural and functional changes in the SAP protein, resulting in XLP-1. The PI3K-AKT-mTOR signaling pathway may play a role in XLP-1 pathogenesis.
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Affiliation(s)
- Yanchun Wang
- Second Department of Infectious Disease, Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Yan Wang
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Weimin Lu
- Second Department of Infectious Disease, Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Lvyan Tao
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Yang Xiao
- Department of Otorhinolaryngology Head and Neck surgery, Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Yuantao Zhou
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Xiaoli He
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Yu Zhang
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Li Li
- Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease. Kunming Children’s Hospital, Kunming, Yunnan, China
- * Correspondence: Li Li, Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children’s Major Disease Research, Yunnan Institute of Pediatrics, Yunnan Province Clinical Research Center for Children’s Health and Disease, Kunming Children’s Hospital, Kunming 650228, Yunnan, China (e-mail: )
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31
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O'Connell P, Blake MK, Godbehere S, Amalfitano A, Aldhamen YA. SLAMF7 modulates B cells and adaptive immunity to regulate susceptibility to CNS autoimmunity. J Neuroinflammation 2022; 19:241. [PMID: 36199066 PMCID: PMC9533612 DOI: 10.1186/s12974-022-02594-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 09/08/2022] [Indexed: 12/02/2022] Open
Abstract
Background Multiple sclerosis (MS) is a chronic, debilitating condition characterized by CNS autoimmunity stemming from a complex etiology involving both environmental and genetic factors. Our current understanding of MS points to dysregulation of the immune system as the pathogenic culprit, however, it remains unknown as to how the many genes associated with increased susceptibility to MS are involved. One such gene linked to MS susceptibility and known to regulate immune function is the self-ligand immune cell receptor SLAMF7. Methods We subjected WT and SLAMF7−/− mice to multiple EAE models, compared disease severity, and comprehensively profiled the CNS immune landscape of these mice. We identified all SLAMF7-expressing CNS immune cells and compared the entire CNS immune niche between genotypes. We performed deep phenotyping and in vitro functional studies of B and T cells via spectral cytometry and BioPlex assays. Adoptive transfer studies involving the transfer of WT and SLAMF7−/− B cells into B cell-deficient mice (μMT) were also performed. Finally, B–T cell co-culture studies were performed, and a comparative cell–cell interaction network derived from scRNA-seq data of SLAMF7+ vs. SLAMF7− human CSF immune cells was constructed. Results We found SLAMF7−/− mice to be more susceptible to EAE compared to WT mice and found SLAMF7 to be expressed on numerous CNS immune cell subsets. Absence of SLAMF7 did not grossly alter the CNS immune landscape, but allowed for altered immune cell subset infiltration during EAE in a model-dependent manner. Global lack of SLAMF7 expression increased myeloid cell activation states along with augmented T cell anti-MOG immunity. B cell profiling studies revealed increased activation states of specific plasma and B cell subsets in SLAMF7−/− mice during EAE, and functional co-culture studies determined that SLAMF7−/− B cells induce exaggerated T cell activation. Adoptive transfer studies revealed that the increased susceptibility of SLAMF7−/− mice to EAE is partly B cell dependent and reconstruction of the human CSF SLAMF7-interactome found B cells to be critical to cell–cell communication between SLAMF7-expressing cells. Conclusions Our studies have identified novel roles for SLAMF7 in CNS immune regulation and B cell function, and illuminate underpinnings of the genetic association between SLAMF7 and MS. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02594-9.
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Affiliation(s)
- Patrick O'Connell
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4108 Biomedical and Physical Sciences Building, East Lansing, MI, 48824, USA
| | - Maja K Blake
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4108 Biomedical and Physical Sciences Building, East Lansing, MI, 48824, USA
| | - Sarah Godbehere
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4108 Biomedical and Physical Sciences Building, East Lansing, MI, 48824, USA
| | - Andrea Amalfitano
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4108 Biomedical and Physical Sciences Building, East Lansing, MI, 48824, USA.,Department of Pediatrics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI, 48824, USA
| | - Yasser A Aldhamen
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4108 Biomedical and Physical Sciences Building, East Lansing, MI, 48824, USA.
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Elotuzumab, a potential therapeutic humanized anti-SLAMF7 monoclonal antibody, enhances natural killer cell-mediated killing of primary effusion lymphoma cells. Cancer Immunol Immunother 2022; 71:2497-2509. [DOI: 10.1007/s00262-022-03177-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 02/15/2022] [Indexed: 10/18/2022]
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Klymus KE, Hrabik RA, Thompson NL, Cornman RS. Genome resequencing clarifies phylogeny and reveals patterns of selection in the toxicogenomics model Pimephales promelas. PeerJ 2022; 10:e13954. [PMID: 36042859 PMCID: PMC9420404 DOI: 10.7717/peerj.13954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 08/05/2022] [Indexed: 01/19/2023] Open
Abstract
Background The fathead minnow (Pimephales promelas) is a model species for toxicological research. A high-quality genome reference sequence is available, and genomic methods are increasingly used in toxicological studies of the species. However, phylogenetic relationships within the genus remain incompletely known and little population-genomic data are available for fathead minnow despite the potential effects of genetic background on toxicological responses. On the other hand, a wealth of extant samples is stored in museum collections that in principle allow fine-scale analysis of contemporary and historical genetic variation. Methods Here we use short-read shotgun resequencing to investigate sequence variation among and within Pimephales species. At the genus level, our objectives were to resolve phylogenetic relationships and identify genes with signatures of positive diversifying selection. At the species level, our objective was to evaluate the utility of archived-sample resequencing for detecting selective sweeps within fathead minnow, applied to a population introduced to the San Juan River of the southwestern United States sometime prior to 1950. Results We recovered well-supported but discordant phylogenetic topologies for nuclear and mitochondrial sequences that we hypothesize arose from mitochondrial transfer among species. The nuclear tree supported bluntnose minnow (P. notatus) as sister to fathead minnow, with the slim minnow (P. tenellus) and bullhead minnow (P. vigilax) more closely related to each other. Using multiple methods, we identified 11 genes that have diversified under positive selection within the genus. Within the San Juan River population, we identified selective-sweep regions overlapping several sets of related genes, including both genes that encode the giant sarcomere protein titin and the two genes encoding the MTORC1 complex, a key metabolic regulator. We also observed elevated polymorphism and reduced differentation among populations (FST) in genomic regions containing certain immune-gene clusters, similar to what has been reported in other taxa. Collectively, our data clarify evolutionary relationships and selective pressures within the genus and establish museum archives as a fruitful resource for characterizing genomic variation. We anticipate that large-scale resequencing will enable the detection of genetic variants associated with environmental toxicants such as heavy metals, high salinity, estrogens, and agrichemicals, which could be exploited as efficient biomarkers of exposure in natural populations.
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Affiliation(s)
- Katy E. Klymus
- U.S. Geological Survey, Columbia Ecological Research Center, Columbia, MO, USA
| | | | - Nathan L. Thompson
- U.S. Geological Survey, Columbia Ecological Research Center, Columbia, MO, USA
| | - Robert S. Cornman
- U.S. Geological Survey, Fort Collins Science Center, Fort Collins, CO, USA
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Magari M, Nishioka M, Hari T, Ogawa S, Takahashi K, Hatano N, Kanayama N, Futami J, Tokumitsu H. The immunoreceptor SLAMF8 promotes the differentiation of follicular dendritic cell-dependent monocytic cells with B cell-activating ability. FEBS Lett 2022; 596:2659-2667. [PMID: 35953458 DOI: 10.1002/1873-3468.14468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/22/2022] [Accepted: 07/30/2022] [Indexed: 11/06/2022]
Abstract
Follicular dendritic cells (FDCs) play a crucial role in generating high-affinity antibody-producing B cells during the germinal center (GC) reaction. Herein, we analyzed the altered gene expression profile of a mouse FDC line, FL-Y, following lymphotoxin β receptor stimulation, and observed increased Slam-family member 8 (Slamf8) mRNA expression. Forced Slamf8 expression and SLAMF8-Fc addition enhanced the ability of FL-Y cells to induce FDC-induced monocytic cell (FDMC) differentiation. FDMCs accelerated GC-phenotype proliferation in cultured B cells, suggesting that they are capable of promoting GC responses. Furthermore, a pulldown assay showed that SLAMF8-Fc could bind to SLAMF8-His. Overall, the homophilic interaction of SLAMF8 promotes FDMC differentiation and SLAMF8 might act as a novel regulator of GC responses by regulating FDMC differentiation.
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Affiliation(s)
- Masaki Magari
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan.,Division of Medical Bioengineering, Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan
| | - Miku Nishioka
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan
| | - Tomomi Hari
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan
| | - Sayaka Ogawa
- Division of Medical Bioengineering, Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan
| | - Kaho Takahashi
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan
| | - Naoya Hatano
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan
| | - Naoki Kanayama
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan.,Division of Medical Bioengineering, Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan
| | - Junichiro Futami
- Medical Protein Engineering, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan
| | - Hiroshi Tokumitsu
- Applied Cell Biology, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama, 700-8530, Japan.,Division of Medical Bioengineering, Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan
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Optimisation of flow cytometric detection of intracellular SLAMF receptor-associated adaptor proteins SAP and EAT-2. EUROPEAN PHARMACEUTICAL JOURNAL 2022. [DOI: 10.2478/afpuc-2022-0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
SAP and EAT-2 are intracellular adaptor proteins that link SLAMF receptors to downstream intracellular signalling pathways. Their expression and functions vary among different types of hematopoietic cells. The roles of SAP and EAT-2 in haematological malignancies are poorly understood. Here, we attempted to optimise a method for the detection of intracellular SAP and EAT-2 by flow cytometry. We found that using PerFix EXPOSE kit for cell fixation and permeabilization ensures optimal results in terms of staining intensity and signal-to-noise ratio.
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Liu S, Martin KE, Gao G, Long R, Evenhuis JP, Leeds TD, Wiens GD, Palti Y. Identification of Haplotypes Associated With Resistance to Bacterial Cold Water Disease in Rainbow Trout Using Whole-Genome Resequencing. Front Genet 2022; 13:936806. [PMID: 35812729 PMCID: PMC9260151 DOI: 10.3389/fgene.2022.936806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/06/2022] [Indexed: 11/17/2022] Open
Abstract
Bacterial cold water disease (BCWD) is an important disease in rainbow trout aquaculture. Previously, we have identified and validated two major QTL (quantitative trait loci) for BCWD resistance, located on chromosomes Omy08 and Omy25, in the odd-year Troutlodge May spawning population. We also demonstrated that marker-assisted selection (MAS) for BCWD resistance using the favorable haplotypes associated with the two major QTL is feasible. However, each favorable haplotype spans a large genomic region of 1.3–1.6 Mb. Recombination events within the haplotype regions will result in new haplotypes associated with BCWD resistance, which will reduce the accuracy of MAS for BCWD resistance over time. The objectives of this study were 1) to identify additional SNPs (single nucleotide polymorphisms) associated with BCWD resistance using whole-genome sequencing (WGS); 2) to validate the SNPs associated with BCWD resistance using family-based association mapping; 3) to refine the haplotypes associated with BCWD resistance; and 4) to evaluate MAS for BCWD resistance using the refined QTL haplotypes. Four consecutive generations of the Troutlodge May spawning population were evaluated for BCWD resistance. Parents and offspring were sequenced as individuals and in pools based on their BCWD phenotypes. Over 12 million SNPs were identified by mapping the sequences from the individuals and pools to the reference genome. SNPs with significantly different allele frequencies between the two BCWD phenotype groups were selected to develop SNP assays for family-based association mapping in three consecutive generations of the Troutlodge May spawning population. Among the 78 SNPs derived from WGS, 77 SNPs were associated with BCWD resistance in at least one of the three consecutive generations. The additional SNPs associated with BCWD resistance allowed us to reduce the physical sizes of haplotypes associated with BCWD resistance to less than 0.5 Mb. We also demonstrated that the refined QTL haplotypes can be used for MAS in the Troutlodge May spawning population. Therefore, the SNPs and haplotypes reported in this study provide additional resources for improvement of BCWD resistance in rainbow trout.
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Affiliation(s)
- Sixin Liu
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
- *Correspondence: Sixin Liu,
| | | | - Guangtu Gao
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
| | - Roseanna Long
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
| | - Jason P. Evenhuis
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
| | - Timothy D. Leeds
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
| | - Gregory D. Wiens
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
| | - Yniv Palti
- National Center for Cool and Cold Water Aquaculture, Agricultural Research Service, United States Department of Agriculture, Kearneysville, WV, United States
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Tang XX, Shimada H, Ikegaki N. Macrophage-mediated anti-tumor immunity against high-risk neuroblastoma. Genes Immun 2022; 23:129-140. [PMID: 35525858 PMCID: PMC9232393 DOI: 10.1038/s41435-022-00172-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/10/2022] [Accepted: 04/12/2022] [Indexed: 11/26/2022]
Abstract
Neuroblastoma is the most common extracranial childhood solid tumor. The majority of high-risk neuroblastoma is resistant/refractory to the current high intensity therapy. Neuroblastoma lacks classical HLA Class I expression and exhibits low mutation burden, allowing neuroblastoma cells to evade CD8+ T cell-mediated immunity. Neuroblastoma cells do not express PD-L1, and tumor-associated macrophages are the predominant PD-L1+ cells in the tumor. In this study, we performed gene expression profiling and survival analyses on large neuroblastoma datasets to address the prognostic effect of PD-L1 gene expression and the possible involvement of the SLAMF7 pathway in the anti-neuroblastoma immunity. High-level expression of PD-L1 was found significantly associated with better outcome of high-risk neuroblastoma patients; two populations of PD-1+ PD-L1+ macrophages could be present in high-risk tumors with PD-1/PD-L1 ratios, ≈1 and >1. Patients with the PD-1/PD-L1 ratio >1 tumor showed inferior survival. High-level co-expression of SLAMF7 and SH2D1B was significantly associated with better survival of the high-risk neuroblastoma patients. Together, this study supports the hypothesis that macrophages are important effector cells in the anti-high-risk neuroblastoma immunity, that PD-1 blockade therapy can be beneficial to the high-risk neuroblastoma subset with the PD-1/PD-L1 expression ratio >1, and that SLAMF7 is a new therapeutic target of high-risk neuroblastoma.
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Affiliation(s)
- Xao X Tang
- Department of Anatomy and Cell Biology, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Hiroyuki Shimada
- Departments of Pathology and Pediatrics, School of Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Naohiko Ikegaki
- Department of Anatomy and Cell Biology, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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New Targets for Antiviral Therapy: Inhibitory Receptors and Immune Checkpoints on Myeloid Cells. Viruses 2022; 14:v14061144. [PMID: 35746616 PMCID: PMC9230063 DOI: 10.3390/v14061144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 05/23/2022] [Indexed: 11/26/2022] Open
Abstract
Immune homeostasis is achieved by balancing the activating and inhibitory signal transduction pathways mediated via cell surface receptors. Activation allows the host to mount an immune response to endogenous and exogenous antigens; suppressive modulation via inhibitory signaling protects the host from excessive inflammatory damage. The checkpoint regulation of myeloid cells during immune homeostasis raised their profile as important cellular targets for treating allergy, cancer and infectious disease. This review focuses on the structure and signaling of inhibitory receptors on myeloid cells, with particular attention placed on how the interplay between viruses and these receptors regulates antiviral immunity. The status of targeting inhibitory receptors on myeloid cells as a new therapeutic approach for antiviral treatment will be analyzed.
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Houghton BC, Panchal N, Haas SA, Chmielewski KO, Hildenbeutel M, Whittaker T, Mussolino C, Cathomen T, Thrasher AJ, Booth C. Genome Editing With TALEN, CRISPR-Cas9 and CRISPR-Cas12a in Combination With AAV6 Homology Donor Restores T Cell Function for XLP. Front Genome Ed 2022; 4:828489. [PMID: 35677600 PMCID: PMC9168036 DOI: 10.3389/fgeed.2022.828489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/06/2022] [Indexed: 12/27/2022] Open
Abstract
X-linked lymphoproliferative disease is a rare inherited immune disorder, caused by mutations or deletions in the SH2D1A gene that encodes an intracellular adapter protein SAP (Slam-associated protein). SAP is essential for mediating several key immune processes and the immune system - T cells in particular - are dysregulated in its absence. Patients present with a spectrum of clinical manifestations, including haemophagocytic lymphohistiocytosis (HLH), dysgammaglobulinemia, lymphoma and autoimmunity. Treatment options are limited, and patients rarely survive to adulthood without an allogeneic haematopoietic stem cell transplant (HSCT). However, this procedure can have poor outcomes in the mismatched donor setting or in the presence of active HLH, leaving an unmet clinical need. Autologous haematopoeitic stem cell or T cell therapy may offer alternative treatment options, removing the need to find a suitable donor for HSCT and any risk of alloreactivity. SAP has a tightly controlled expression profile that a conventional lentiviral gene delivery platform may not be able to fully replicate. A gene editing approach could preserve more of the endogenous regulatory elements that govern SAP expression, potentially providing a more optimum therapy. Here, we assessed the ability of TALEN, CRISPR-Cas9 and CRISPR-Cas12a nucleases to drive targeted insertion of SAP cDNA at the first exon of the SH2D1A locus using an adeno-associated virus serotype 6 (AAV6)-based vector containing the donor template. All nuclease platforms were capable of high efficiency gene editing, which was optimised using a serum-free AAV6 transduction protocol. We show that T cells from XLP patients corrected by gene editing tools have restored physiological levels of SAP gene expression and restore SAP-dependent immune functions, indicating a new therapeutic opportunity for XLP patients.
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Affiliation(s)
- Benjamin C. Houghton
- Molecular and Cellular Immunology, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Neelam Panchal
- Molecular and Cellular Immunology, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Simone A. Haas
- Institute for Transfusion Medicine and Gene Therapy, Medical Center – University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Kay O. Chmielewski
- Institute for Transfusion Medicine and Gene Therapy, Medical Center – University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Markus Hildenbeutel
- Institute for Transfusion Medicine and Gene Therapy, Medical Center – University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Thomas Whittaker
- Molecular and Cellular Immunology, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Claudio Mussolino
- Institute for Transfusion Medicine and Gene Therapy, Medical Center – University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Toni Cathomen
- Institute for Transfusion Medicine and Gene Therapy, Medical Center – University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Adrian J Thrasher
- Molecular and Cellular Immunology, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Claire Booth
- Molecular and Cellular Immunology, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
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Roncador G, Puñet-Ortiz J, Maestre L, Rodríguez-Lobato LG, Jiménez S, Reyes-García AI, García-González Á, García JF, Piris MÁ, Montes-Moreno S, Rodríguez-Justo M, Mena MP, Fernández de Larrea C, Engel P. CD229 (Ly9) a Novel Biomarker for B-Cell Malignancies and Multiple Myeloma. Cancers (Basel) 2022; 14:2154. [PMID: 35565280 PMCID: PMC9101303 DOI: 10.3390/cancers14092154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 02/04/2023] Open
Abstract
CD229 (Ly9) homophilic receptor, which belongs to the SLAM family of cell-surface molecules, is predominantly expressed on B and T cells. It acts as a signaling molecule, regulating lymphocyte homoeostasis and activation. Studies of CD229 function indicate that this receptor functions as a regulator of the development of marginal-zone B cells and other innate-like T and B lymphocytes. The expression on leukemias and lymphomas remains poorly understood due to the lack of CD229 monoclonal antibodies (mAb) for immunohistochemistry application (IHC). In this study, we used a new mAb against the cytoplasmic region of CD229 to study the expression of CD229 on normal tissues and B-cell malignancies, including multiple myeloma (MM), using tissue microarrays. We showed CD229 to be restricted to hematopoietic cells. It was strongly expressed in all cases of MM and in most marginal-zone lymphomas (MZL). Moderate CD229 expression was also found in chronic lymphocyte leukemia (CLL), follicular (FL), classic mantle-cell (MCL) and diffuse large B-cell lymphoma. Given the high expression on myeloma cells, we also analyzed for the presence of soluble CD229 in the sera of these patients. Serum levels of soluble CD229 (sCD229) at the time of diagnosis in MM patients could be useful as a prognostic biomarker. In conclusion, our results indicate that CD229 represents not only a useful biomarker but also an attractive therapeutic target.
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Affiliation(s)
- Giovanna Roncador
- Monoclonal Antibodies Unit, Biotechnology Program, Spanish National Cancer Centre (CNIO), Centro de Investigación Médica en red Cancer (CIBERONC), 28029 Madrid, Spain; (G.R.); (L.M.); (S.J.); (A.I.R.-G.); (Á.G.-G.)
| | - Joan Puñet-Ortiz
- Immunology Unit, Department of Biomedical Sciences, Faculty of Medicine and Medical Sciences, University of Barcelona, Casanova 172, 08036 Barcelona, Spain;
| | - Lorena Maestre
- Monoclonal Antibodies Unit, Biotechnology Program, Spanish National Cancer Centre (CNIO), Centro de Investigación Médica en red Cancer (CIBERONC), 28029 Madrid, Spain; (G.R.); (L.M.); (S.J.); (A.I.R.-G.); (Á.G.-G.)
| | - Luis Gerardo Rodríguez-Lobato
- Amyloidosis and Multiple Myeloma Unit, Department of Hematology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain; (L.G.R.-L.); (M.-P.M.); (C.F.d.L.)
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Scherezade Jiménez
- Monoclonal Antibodies Unit, Biotechnology Program, Spanish National Cancer Centre (CNIO), Centro de Investigación Médica en red Cancer (CIBERONC), 28029 Madrid, Spain; (G.R.); (L.M.); (S.J.); (A.I.R.-G.); (Á.G.-G.)
| | - Ana Isabel Reyes-García
- Monoclonal Antibodies Unit, Biotechnology Program, Spanish National Cancer Centre (CNIO), Centro de Investigación Médica en red Cancer (CIBERONC), 28029 Madrid, Spain; (G.R.); (L.M.); (S.J.); (A.I.R.-G.); (Á.G.-G.)
| | - Álvaro García-González
- Monoclonal Antibodies Unit, Biotechnology Program, Spanish National Cancer Centre (CNIO), Centro de Investigación Médica en red Cancer (CIBERONC), 28029 Madrid, Spain; (G.R.); (L.M.); (S.J.); (A.I.R.-G.); (Á.G.-G.)
| | - Juan F. García
- Department of Pathology, MD Anderson Cancer Center Madrid, Centro de Investigación Médica en Red Cancer (CIBERONC), 28040 Madrid, Spain;
| | - Miguel Ángel Piris
- Department of Pathology, Fundación Jiménez Díaz, Centro de Investigación Médica en Red Cancer (CIBERONC), 28040 Madrid, Spain;
| | - Santiago Montes-Moreno
- Translational Haematopathology Laboratory, Anatomic Pathology Department, Hospital Universitario Marqués de Valdecilla/IDIVAL, CIBERONC, 39008 Santander, Spain;
| | - Manuel Rodríguez-Justo
- Department of Research Pathology, Cancer Institute, University Collage London, London WC1E 6DD, UK;
| | - Mari-Pau Mena
- Amyloidosis and Multiple Myeloma Unit, Department of Hematology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain; (L.G.R.-L.); (M.-P.M.); (C.F.d.L.)
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Carlos Fernández de Larrea
- Amyloidosis and Multiple Myeloma Unit, Department of Hematology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain; (L.G.R.-L.); (M.-P.M.); (C.F.d.L.)
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Pablo Engel
- Immunology Unit, Department of Biomedical Sciences, Faculty of Medicine and Medical Sciences, University of Barcelona, Casanova 172, 08036 Barcelona, Spain;
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O'Connell P, Blake MK, Pepelyayeva Y, Hyslop S, Godbehere S, Angarita AM, Pereira-Hicks C, Amalfitano A, Aldhamen YA. Adenoviral delivery of an immunomodulatory protein to the tumor microenvironment controls tumor growth. Mol Ther Oncolytics 2022; 24:180-193. [PMID: 35036523 PMCID: PMC8741417 DOI: 10.1016/j.omto.2021.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 12/04/2021] [Indexed: 11/15/2022] Open
Abstract
Targeted modulation of the immune system against tumors can achieve responses in otherwise refractory cancers, which has spurred efforts aimed at optimizing such strategies. To this end, we have previously investigated cancer immunotherapy approaches using recombinant adenovirus vectors, as well as via modulation of the self-ligand receptor SLAMF7. Here, we present a gene transfer-based immunotherapy approach using targeted expression of a SLAMF7-Fc fusion construct directly into tumors at high concentrations via a recombinant adenoviral vector (Ad-SF7-Fc). Using multiple murine cancer models, we show that Ad-SF7-Fc can induce tumor control via augmentation of innate immunity; specifically, induction of type I interferons and activation of dendritic cells (DCs) and macrophages. Analogously, we find that modulating SLAMF7 signaling via an adenoviral vector expressing its intracellular adaptor, EAT-2, is also capable of inducing tumor control. Finally, we employ a novel in vivo prediction approach and dataset integration with machine learning to dissect how Ad-SF7-Fc modulates cell-type-specific responses in the tumor microenvironment to achieve tumor control. Thus, our novel combinatorial cancer immunotherapy highlights the benefit of multimodal immune modulation and lays a framework for combination with complementary approaches capable of inducing adaptive immune responses.
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Affiliation(s)
- Patrick O'Connell
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Maja K. Blake
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Yuliya Pepelyayeva
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Sean Hyslop
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Sarah Godbehere
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Ariana M. Angarita
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Cristiane Pereira-Hicks
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
| | - Andrea Amalfitano
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
- Department of Pediatrics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI 48824, USA
| | - Yasser A. Aldhamen
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, 567 Wilson Road, 4194 Biomedical and Physical Sciences Building, East Lansing, MI 48824, USA
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Schluck M, Eggermont LJ, Weiden J, Popelier C, Weiss L, Pilzecker B, Kolder S, Heinemans A, Rodriguez Mogeda C, Verdoes M, Figdor CG, Hammink R. Dictating Phenotype, Function, and Fate of Human T Cells with Co‐Stimulatory Antibodies Presented by Filamentous Immune Cell Mimics. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202200019] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Marjolein Schluck
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Loek J. Eggermont
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Jorieke Weiden
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Carlijn Popelier
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Lea Weiss
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Bas Pilzecker
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Sigrid Kolder
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Anne Heinemans
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Carla Rodriguez Mogeda
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Martijn Verdoes
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Carl G. Figdor
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
| | - Roel Hammink
- Department of Tumor Immunology Radboud Institute for Molecular Life Sciences Radboud University Medical Center Geert Grooteplein 26 Nijmegen GA 6525 The Netherlands
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Meng Q, Duan X, Yang Q, Xue D, Liu Z, Li Y, Jin Q, Guo F, Jia S, Wang Z, Yan W, Chang X, Sun P. SLAMF6/Ly108 promotes the development of hepatocellular carcinoma via facilitating macrophage M2 polarization. Oncol Lett 2022; 23:83. [PMID: 35126725 PMCID: PMC8805185 DOI: 10.3892/ol.2022.13203] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
Tumor-associated macrophages (TAMs) are capable of worsening hepatocellular carcinoma (HCC) prognosis by accelerating tumor growth and progression. Signaling lymphocyte activation molecule family member 6 (SLAMF6; Ly108 in mice) is an immune regulator that is involved in numerous diseases. However, whether SLAMF6 might affect macrophage function in HCC has not yet been reported. Therefore, the present study aimed to determine the relationship between SLAMF6 expression on macrophages and HCC progression. In the present study, the expression of SLAMF6 in human blood samples and mice was analyzed by flow cytometry. Furthermore, macrophage-related polarization markers were detected via reverse transcription quantitative PCR. Clonogenic formation and Transwell assay were performed to determine the proliferation, migration and invasion of HCC cells. In addition, a murine HCC model was established to detect the function of SLAMF6 in vivo. The results demonstrated that SLAMF6 expression was increased in CD14+ cells obtained from patients with HCC. It was also determined that this increase was associated with a positive hepatitis B virus DNA status and high levels of α-fetoprotein. Polarized TAMs from THP-1 cells, murine peritoneal macrophages and murine bone marrow-derived macrophages all exhibited higher levels of SLAMF6 compared with M1 cells. Furthermore, an increased expression of Ly108 was detected in macrophages obtained from mice tumor tissues, indicating that the tumor microenvironment may promote Ly108 expression and macrophage M2 polarization. Ly108 small interfering RNA was applied to macrophages, which resulted in the suppression of M2 polarization. Ly108-silenced macrophages attenuated HCC cell migration and invasion and prevented tumor growth by inhibiting the nuclear factor-κB pathway. Altogether, the results from the present study suggested that SLAMF6/Ly108 was upregulated in TAMs, which may in turn accelerate the development of HCC.
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Affiliation(s)
- Qi Meng
- School of Cheeloo Clinical Medicine, Shandong University, Jinan, Shandong 250102, P.R. China
| | - Xiuyun Duan
- School of Cheeloo Clinical Medicine, Shandong University, Jinan, Shandong 250102, P.R. China
| | - Qingchao Yang
- School of Cheeloo Clinical Medicine, Shandong University, Jinan, Shandong 250102, P.R. China
| | - Dewen Xue
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Zihao Liu
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Yuanyuan Li
- Head and Neck Radiation Oncology Ward II, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Qingyan Jin
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Fang Guo
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Shijie Jia
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Zhaofeng Wang
- Surgical Department, Jinan Jiyang District Hospital of Traditional Chinese Medicine, Jinan, Shandong 251499, P.R. China
| | - Wenjiang Yan
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
| | - Xu Chang
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Peng Sun
- Department of Intervention Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
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44
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ICOS expression is required for maintenance but not the formation of germinal centers in the spleen in response to P. yoelii infection. Infect Immun 2022; 90:e0046821. [PMID: 35007126 DOI: 10.1128/iai.00468-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Inducible T cell co-stimulator (ICOS) plays a key role in the differentiation and maintenance of follicular helper T (Tfh) cells and thus germinal center (GC) formation. Previously, our lab showed in a Plasmodium chabaudi infection model that Icos-/- mice were significantly impaired in their ability to form GCs despite a persistent infection and thus a continued antigen (Ag) load. Here, we show that resolution of a primary infection with P. yoelii, was delayed in Icos-/- mice. This phenotype was associated with a reduction in the accumulation of Tfh-like and GC Tfh cells and an early deficiency in Ag-specific antibody (Ab) production. However, Icos-/- mice could form GCs, though they were less frequent in number than in wild-type (WT) mice. Nonetheless, the Ag-specific Abs from Icos-/- mice lacked signs of affinity maturation, suggesting functional defects associated with these GCs. Eventually, these GC structures dissipated more rapidly in Icos-/- mice than in WT mice. Moreover, the ability of Icos-/- mice to form these GC structures is not reliant on the high Ag load associated with P. yoelii infections, as GC formation was preserved in Icos-/- mice treated with atovaquone. Finally, mice were unable to form secondary GCs in the absence of ICOS after re-challenge. Overall, these data demonstrate the necessity of ICOS in the maintenance of Tfh cells, the formation and maintenance of sufficient numbers of functioning GCs, and the ability to generate new GC structures after re-infection with P. yoelii.
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Liu J, Wei T, Tan Y, Liu H, Li X. Enabling chemical protein (semi)synthesis via reducible solubilizing tags (RSTs). Chem Sci 2022; 13:1367-1374. [PMID: 35222920 PMCID: PMC8809390 DOI: 10.1039/d1sc06387a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/27/2021] [Indexed: 01/11/2023] Open
Abstract
The reducible solubilizing tag strategy served as a simple and powerful method for the chemical synthesis and semi-synthesis via Ser/Thr ligation and Cys/Pen ligation of extensive self-assembly peptides, membrane proteins with poor solubility.
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Affiliation(s)
- Jiamei Liu
- Department of Chemistry, State Key Lab of Synthetic Chemistry, The University of Hong Kong, Hong Kong
| | - Tongyao Wei
- Department of Chemistry, State Key Lab of Synthetic Chemistry, The University of Hong Kong, Hong Kong
| | - Yi Tan
- Department of Chemistry, State Key Lab of Synthetic Chemistry, The University of Hong Kong, Hong Kong
| | - Heng Liu
- Department of Chemistry, State Key Lab of Synthetic Chemistry, The University of Hong Kong, Hong Kong
| | - Xuechen Li
- Department of Chemistry, State Key Lab of Synthetic Chemistry, The University of Hong Kong, Hong Kong
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Development of αβ T Cells with Innate Functions. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1365:149-160. [DOI: 10.1007/978-981-16-8387-9_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Münz C. Co-Stimulatory Molecules during Immune Control of Epstein Barr Virus Infection. Biomolecules 2021; 12:biom12010038. [PMID: 35053187 PMCID: PMC8774114 DOI: 10.3390/biom12010038] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 01/17/2023] Open
Abstract
The Epstein Barr virus (EBV) is one of the prominent human tumor viruses, and it is efficiently immune-controlled in most virus carriers. Cytotoxic lymphocytes strongly expand during symptomatic primary EBV infection and in preclinical in vivo models of this tumor virus infection. In these models and patients with primary immunodeficiencies, antibody blockade or deficiencies in certain molecular pathways lead to EBV-associated pathologies. In addition to T, NK, and NKT cell development, as well as their cytotoxic machinery, a set of co-stimulatory and co-inhibitory molecules was found to be required for EBV-specific immune control. The role of CD27/CD70, 4-1BB, SLAMs, NKG2D, CD16A/CD2, CTLA-4, and PD-1 will be discussed in this review. Some of these have just been recently identified as crucial for EBV-specific immune control, and for others, their important functions during protection were characterized in in vivo models of EBV infection and its immune control. These insights into the phenotype of cytotoxic lymphocytes that mediate the near-perfect immune control of EBV-associated malignancies might also guide immunotherapies against other tumors in the future.
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Affiliation(s)
- Christian Münz
- Department of Viral Immunobiology, Institute of Experimental Immunology, University of Zürich, 8057 Zurich, Switzerland
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Tang Z, Davidson D, Li R, Zhong MC, Qian J, Chen J, Veillette A. Inflammatory macrophages exploit unconventional pro-phagocytic integrins for phagocytosis and anti-tumor immunity. Cell Rep 2021; 37:110111. [PMID: 34910922 DOI: 10.1016/j.celrep.2021.110111] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/14/2021] [Accepted: 11/18/2021] [Indexed: 11/19/2022] Open
Abstract
Blockade of the inhibitory checkpoint SIRPα-CD47 promotes phagocytosis of cancer cells by macrophages and is a promising avenue in anti-cancer therapy. Productive phagocytosis is strictly predicated on co-engagement of pro-phagocytic receptors-namely, Fc receptors (FcRs), integrin CD11b, or SLAMF7-by their ligands on cancer cells. Here, we examine whether additional pro-phagocytic receptors could be harnessed to broaden the scope of phagocytosis. Inflammatory stimuli, including multiple cytokines and Toll-like receptor (TLR) ligands, augment phagocytosis efficiency and fully alleviate the requirement of FcRs, CD11b, and SLAMF7 for phagocytosis. These effects are mediated by the unconventional pro-phagocytic integrins CD11a and CD11c, which act with CD18 to initiate actin polarization, leading to phagocytosis. Some inflammatory stimuli enable phagocytosis even in the absence of SIRPα-CD47 blockade. Higher CD11c expression in macrophage-enriched tumors correlates with improved survival in clinical studies. Thus, inflammatory macrophages exploit unconventional pro-phagocytic integrins for improved phagocytosis and anti-tumor immunity.
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Affiliation(s)
- Zhenghai Tang
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Dominique Davidson
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Rui Li
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Ming-Chao Zhong
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jin Qian
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jun Chen
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China.
| | - André Veillette
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada; Department of Medicine, University of Montréal, Montréal, QC H3C 3J7, Canada.
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Hong T, Parameswaran S, Donmez OA, Miller D, Forney C, Lape M, Saint Just Ribeiro M, Liang J, Edsall LE, Magnusen AF, Miller W, Chepelev I, Harley JB, Zhao B, Kottyan LC, Weirauch MT. Epstein-Barr virus nuclear antigen 2 extensively rewires the human chromatin landscape at autoimmune risk loci. Genome Res 2021; 31:2185-2198. [PMID: 34799401 PMCID: PMC8647835 DOI: 10.1101/gr.264705.120] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/07/2021] [Indexed: 12/13/2022]
Abstract
The interplay between environmental and genetic factors plays a key role in the development of many autoimmune diseases. In particular, the Epstein-Barr virus (EBV) is an established contributor to multiple sclerosis, lupus, and other disorders. Previously, we showed that the EBV nuclear antigen 2 (EBNA2) transactivating protein occupies up to half of the risk loci for a set of seven autoimmune disorders. To further examine the mechanistic roles played by EBNA2 at these loci on a genome-wide scale, we globally examined gene expression, chromatin accessibility, chromatin looping, and EBNA2 binding in a B cell line that was (1) uninfected, (2) infected with a strain of EBV lacking EBNA2, or (3) infected with a strain that expresses EBNA2. We identified more than 400 EBNA2-dependent differentially expressed human genes and more than 5000 EBNA2 binding events in the human genome. ATAC-seq analysis revealed more than 2000 regions in the human genome with EBNA2-dependent chromatin accessibility, and HiChIP data revealed more than 1700 regions where EBNA2 altered chromatin looping interactions. Autoimmune genetic risk loci were highly enriched at the sites of these EBNA2-dependent chromatin-altering events. We present examples of autoimmune risk genotype-dependent EBNA2 events, nominating genetic risk mechanisms for autoimmune risk loci such as ZMIZ1 Taken together, our results reveal important interactions between host genetic variation and EBNA2-driven disease mechanisms. Further, our study highlights a critical role for EBNA2 in rewiring human gene regulatory programs through rearrangement of the chromatin landscape and nominates these interactions as components of genetic mechanisms that influence the risk of multiple autoimmune diseases.
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Affiliation(s)
- Ted Hong
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Department of Pharmacology and Systems Physiology, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45229, USA
| | - Sreeja Parameswaran
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Omer A Donmez
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Daniel Miller
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Carmy Forney
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Michael Lape
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Mariana Saint Just Ribeiro
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Jun Liang
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Lee E Edsall
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Albert F Magnusen
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - William Miller
- Department of Molecular Genetics, Biochemistry, and Microbiology, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45267, USA
| | - Iouri Chepelev
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45229, USA
| | - John B Harley
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45229, USA
- US Department of Veterans Affairs Medical Center, Cincinnati, Ohio 45229, USA
| | - Bo Zhao
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Leah C Kottyan
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45229, USA
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
| | - Matthew T Weirauch
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
- Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45229, USA
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA
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50
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Xu X, Masubuchi T, Cai Q, Zhao Y, Hui E. Molecular features underlying differential SHP1/SHP2 binding of immune checkpoint receptors. eLife 2021; 10:74276. [PMID: 34734802 PMCID: PMC8631942 DOI: 10.7554/elife.74276] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/16/2021] [Indexed: 12/19/2022] Open
Abstract
A large number of inhibitory receptors recruit SHP1 and/or SHP2, tandem-SH2-containing phosphatases through phosphotyrosine-based motifs immunoreceptor tyrosine-based inhibitory motif (ITIM) and immunoreceptor tyrosine-based switch motif (ITSM). Despite the similarity, these receptors exhibit differential effector binding specificities, as exemplified by the immune checkpoint receptors PD-1 and BTLA, which preferentially recruit SHP2 and SHP1, respectively. The molecular basis by which structurally similar receptors discriminate SHP1 and SHP2 is unclear. Here, we provide evidence that human PD-1 and BTLA optimally bind to SHP1 and SHP2 via a bivalent, parallel mode that involves both SH2 domains of SHP1 or SHP2. PD-1 mainly uses its ITSM to prefer SHP2 over SHP1 via their C-terminal SH2 domains (cSH2): swapping SHP1-cSH2 with SHP2-cSH2 enabled PD-1:SHP1 association in T cells. In contrast, BTLA primarily utilizes its ITIM to prefer SHP1 over SHP2 via their N-terminal SH2 domains (nSH2). The ITIM of PD-1, however, appeared to be de-emphasized due to a glycine at pY+1 position. Substitution of this glycine with alanine, a residue conserved in BTLA and several SHP1-recruiting receptors, was sufficient to induce PD-1:SHP1 interaction in T cells. Finally, structural simulation and mutagenesis screening showed that SHP1 recruitment activity exhibits a bell-shaped dependence on the molecular volume of the pY+1 residue of ITIM. Collectively, we provide a molecular interpretation of the SHP1/SHP2-binding specificities of PD-1 and BTLA, with implications for the mechanisms of a large family of therapeutically relevant receptors.
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Affiliation(s)
- Xiaozheng Xu
- Section of Cell & Developmental Biology, Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Takeya Masubuchi
- Section of Cell & Developmental Biology, Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Qixu Cai
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, China
| | - Yunlong Zhao
- Section of Cell & Developmental Biology, Division of Biological Sciences, University of California, San Diego, La Jolla, United States
| | - Enfu Hui
- Section of Cell & Developmental Biology, Division of Biological Sciences, University of California, San Diego, La Jolla, United States
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