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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] [Grants] [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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Affiliation(s)
- Somen K Mistri
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Brianna M. Hilton
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Katherine J. Horrigan
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Emma S. Andretta
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Remi Savard
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Oliver Dienz
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Kenneth J Hampel
- Department of Pathology and Laboratory Medicine, Larner College of Medicine, University of Vermont Medical Center, Burlington, Vermont 05405, USA
| | - Diana L. Gerrard
- Department of Pathology and Laboratory Medicine, Larner College of Medicine, University of Vermont Medical Center, Burlington, Vermont 05405, USA
| | - Joshua T. Rose
- Department of Pathology and Laboratory Medicine, Larner College of Medicine, University of Vermont Medical Center, Burlington, Vermont 05405, USA
| | - Nikoletta Sidiropoulos
- Department of Pathology and Laboratory Medicine, Larner College of Medicine, University of Vermont Medical Center, Burlington, Vermont 05405, USA
| | - Devdoot Majumdar
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
| | - Jonathan E. Boyson
- Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, Vermont 05405, USA
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2
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Feng H, Zhao Z, Zhao X, Bai X, Fu W, Zheng L, Kang B, Wang X, Zhang Z, Dong C. A novel memory-like Tfh cell subset is precursor to effector Tfh cells in recall immune responses. J Exp Med 2024; 221:e20221927. [PMID: 38047912 PMCID: PMC10695277 DOI: 10.1084/jem.20221927] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 09/12/2023] [Accepted: 11/15/2023] [Indexed: 12/05/2023] Open
Abstract
T follicular helper (Tfh) cells, essential for germinal center reactions, are not identical, with different phenotypes reported. Whether, when, and how they generate memory cells is still poorly understood. Here, through single-cell RNA-sequencing analysis of CXCR5+Bcl6+ Tfh cells generated under different conditions, we discovered, in addition to PD-1hi effector Tfh cells, a CD62L+PD1low subpopulation. CD62L-expressing Tfh cells developed independently from PD-1+ cells and not in direct contact with B cells. More importantly, CD62L+ Tfh cells expressed memory- and stemness-associated genes, and with better superior long-term survival, they readily generated PD-1hi cells in the recall response. Finally, KLF2 and IL7R, also highly expressed by CD62L+ Tfh cells, were required to regulate their development. Our work thus demonstrates a novel Tfh memory-like cell subpopulation, which may benefit our understanding of immune responses and diseases.
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Affiliation(s)
- Han Feng
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Zixuan Zhao
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Xiaohong Zhao
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Xue Bai
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Weiwei Fu
- Institute for Immunology, Tsinghua University, Beijing, China
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
| | - Liangtao Zheng
- Biomedical Pioneering Innovation Center, Beijing Advanced Innovation Center for Genomics, and School of Life Sciences, Peking University, Beijing, China
| | - Boxi Kang
- Biomedical Pioneering Innovation Center, Beijing Advanced Innovation Center for Genomics, and School of Life Sciences, Peking University, Beijing, China
| | - Xiaohu Wang
- Institute for Immunology, Tsinghua University, Beijing, China
| | - Zemin Zhang
- Biomedical Pioneering Innovation Center, Beijing Advanced Innovation Center for Genomics, and School of Life Sciences, Peking University, Beijing, China
| | - Chen Dong
- Institute for Immunology, Tsinghua University, Beijing, China
- Shanghai Immune Therapy Institute and Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, Shanghai, China
- Westlake University School of Medicine, Hangzhou, China
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3
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Chandra S, Ascui G, Riffelmacher T, Chawla A, Ramírez-Suástegui C, Castelan VC, Seumois G, Simon H, Murray MP, Seo GY, Premlal ALR, Schmiedel B, Verstichel G, Li Y, Lin CH, Greenbaum J, Lamberti J, Murthy R, Nigro J, Cheroutre H, Ottensmeier CH, Hedrick SM, Lu LF, Vijayanand P, Kronenberg M. Transcriptomes and metabolism define mouse and human MAIT cell populations. Sci Immunol 2023; 8:eabn8531. [PMID: 37948512 PMCID: PMC11160507 DOI: 10.1126/sciimmunol.abn8531] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 10/05/2023] [Indexed: 11/12/2023]
Abstract
Mucosal-associated invariant T (MAIT) cells are a subset of T lymphocytes that respond to microbial metabolites. We defined MAIT cell populations in different organs and characterized the developmental pathway of mouse and human MAIT cells in the thymus using single-cell RNA sequencing and phenotypic and metabolic analyses. We showed that the predominant mouse subset, which produced IL-17 (MAIT17), and the subset that produced IFN-γ (MAIT1) had not only greatly different transcriptomes but also different metabolic states. MAIT17 cells in different organs exhibited increased lipid uptake, lipid storage, and mitochondrial potential compared with MAIT1 cells. All these properties were similar in the thymus and likely acquired there. Human MAIT cells in lung and blood were more homogeneous but still differed between tissues. Human MAIT cells had increased fatty acid uptake and lipid storage in blood and lung, similar to human CD8 T resident memory cells, but unlike mouse MAIT17 cells, they lacked increased mitochondrial potential. Although mouse and human MAIT cell transcriptomes showed similarities for immature cells in the thymus, they diverged more strikingly in the periphery. Analysis of pet store mice demonstrated decreased lung MAIT17 cells in these so-called "dirty" mice, indicative of an environmental influence on MAIT cell subsets and function.
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Affiliation(s)
- Shilpi Chandra
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Gabriel Ascui
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093 USA
| | - Thomas Riffelmacher
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, OX3 7FY UK
| | - Ashu Chawla
- Bioinformatics Core Facility, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Ciro Ramírez-Suástegui
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Viankail C. Castelan
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Gregory Seumois
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Hayley Simon
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Mallory P. Murray
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Goo-Young Seo
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | | | - Benjamin Schmiedel
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Greet Verstichel
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Yingcong Li
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92037 USA
| | - Chia-Hao Lin
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92037 USA
| | - Jason Greenbaum
- Bioinformatics Core Facility, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - John Lamberti
- Division of Cardiac Surgery, Rady Children’s Hospital, San Diego, CA 92123 USA
- Division of Pediatric Cardiac Surgery, Falk Cardiovascular Research Center, Stanford, CA 94305-5407 USA
| | - Raghav Murthy
- Division of Cardiac Surgery, Rady Children’s Hospital, San Diego, CA 92123 USA
- Division of Pediatric Cardiac Surgery, Children’s Heart Center Icahn School of Medicine at Mount Sinai, New York, NY 10029 USA
| | - John Nigro
- Division of Cardiac Surgery, Rady Children’s Hospital, San Diego, CA 92123 USA
| | - Hilde Cheroutre
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Christian H. Ottensmeier
- Liverpool Head and Neck Center, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK, L69 7ZB
| | - Stephen M. Hedrick
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92037 USA
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, 92093 USA
| | - Li-Fan Lu
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92037 USA
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, 92093 USA
- Moores Cancer Center, University of California, San Diego, La Jolla, CA, 92093 USA
| | - Pandurangan Vijayanand
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Cancer Immunotherapy, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
| | - Mitchell Kronenberg
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037 USA
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92037 USA
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4
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Schwarzfischer M, Niechcial A, Handler K, Morsy Y, Wawrzyniak M, Laimbacher AS, Atrott K, Manzini R, Baebler K, Hering L, Katkeviciutė E, Häfliger J, Lang S, Keller ME, Woodtli J, Eisenbeiss L, Kraemer T, Schraner EM, Wiesendanger M, Zeissig S, Rogler G, Moor AE, Scharl M, Spalinger MR. TiO 2 nanoparticles abrogate the protective effect of the Crohn's disease-associated variation within the PTPN22 gene locus. Gut 2022; 72:1101-1114. [PMID: 36191962 DOI: 10.1136/gutjnl-2021-325911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 09/04/2022] [Indexed: 12/08/2022]
Abstract
OBJECTIVE Inflammatory bowel disease (IBD) is a multifactorial condition driven by genetic and environmental risk factors. A genetic variation in the protein tyrosine phosphatase non-receptor type 22 (PTPN22) gene has been associated with autoimmune disorders while protecting from the IBD subtype Crohn's disease. Mice expressing the murine orthologous PTPN22-R619W variant are protected from intestinal inflammation in the model of acute dextran sodium sulfate (DSS)-induced colitis. We previously identified food-grade titanium dioxide (TiO2, E171) as a neglected IBD risk factor. Here, we investigate the interplay of the PTPN22 variant and TiO2-mediated effects during IBD pathogenesis. DESIGN Acute DSS colitis was induced in wild-type and PTPN22 variant mice (PTPN22-R619W) and animals were treated with TiO2 nanoparticles during colitis induction. Disease-triggering mechanisms were investigated using bulk and single-cell RNA sequencing. RESULTS In mice, administration of TiO2 nanoparticles abrogated the protective effect of the variant, rendering PTPN22-R619W mice susceptible to DSS colitis. In early disease, cytotoxic CD8+ T-cells were found to be reduced in the lamina propria of PTPN22-R619W mice, an effect reversed by TiO2 administration. Normalisation of T-cell populations correlated with increased Ifng expression and, at a later stage of disease, the promoted prevalence of proinflammatory macrophages that triggered severe intestinal inflammation. CONCLUSION Our findings indicate that the consumption of TiO2 nanoparticles might have adverse effects on the gastrointestinal health of individuals carrying the PTPN22 variant. This demonstrates that environmental factors interact with genetic risk variants and can reverse a protective mechanism into a disease-promoting effect.
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Affiliation(s)
- Marlene Schwarzfischer
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Anna Niechcial
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kristina Handler
- Department of Biosystems Science and Engineering, ETH Zurich, Zurich, Switzerland
| | - Yasser Morsy
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Marcin Wawrzyniak
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Andrea S Laimbacher
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kirstin Atrott
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Roberto Manzini
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Katharina Baebler
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Larissa Hering
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Egle Katkeviciutė
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Janine Häfliger
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Silvia Lang
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Maja E Keller
- Department of Forensic Pharmacology and Toxicology, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Jérôme Woodtli
- Department of Forensic Pharmacology and Toxicology, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Lisa Eisenbeiss
- Department of Forensic Pharmacology and Toxicology, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Thomas Kraemer
- Department of Forensic Pharmacology and Toxicology, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Elisabeth M Schraner
- Institutes of Veterinary Anatomy and Virology, University of Zurich, Zurich, Switzerland
| | - Mahesa Wiesendanger
- Institutes of Veterinary Anatomy and Virology, University of Zurich, Zurich, Switzerland
| | - Sebastian Zeissig
- Center for Regenerative Therapies Dresden (CRTD), Technische Universität (TU) Dresden, and Department of Medicine I, University Medical Center Dresden, Dresden, Germany
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Andreas E Moor
- Department of Biosystems Science and Engineering, ETH Zurich, Zurich, Switzerland
| | - Michael Scharl
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Marianne R Spalinger
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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5
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Abstract
Alzheimer's disease (AD) is characterized by the presence of amyloid beta (Aβ) plaques and neurofibrillary tangles (NFTs), neuronal and synaptic loss and inflammation of the central nervous system (CNS). The majority of AD research has been dedicated to the understanding of two major AD hallmarks (i.e. Aβ and NFTs); however, recent genome-wide association studies (GWAS) data indicate neuroinflammation as having a critical role in late-onset AD (LOAD) development, thus unveiling a novel avenue for AD therapeutics. Recent evidence has provided much support to the innate immune system's involvement with AD progression; however, much remains to be uncovered regarding the role of glial cells, specifically microglia, in AD. Moreover, numerous variants in immune and/or microglia-related genes have been identified in whole-genome sequencing and GWAS analyses, including such genes as TREM2, CD33, APOE, API1, MS4A, ABCA7, BIN1, CLU, CR1, INPP5D, PICALM and PLCG2. In this review, we aim to provide an insight into the function of the major LOAD-associated microglia response genes.
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Affiliation(s)
- Lauren A. Jonas
- Weill Cornell, Weill Graduate School of Medical Sciences of Cornell University, New York, NY 10065, USA,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Tanya Jain
- Weill Cornell, Weill Graduate School of Medical Sciences of Cornell University, New York, NY 10065, USA,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Yue-Ming Li
- Weill Cornell, Weill Graduate School of Medical Sciences of Cornell University, New York, NY 10065, USA,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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6
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Ni G, Liu X, Li H, Fogarty CE, Chen S, Zhang P, Liu Y, Wu X, Wei MQ, Chen G, Zhang P, Wang T. Topical Application of Temperature-Sensitive Gel Containing Caerin 1.1 and 1.9 Peptides on TC-1 Tumour-Bearing Mice Induced High-Level Immune Response in the Tumour Microenvironment. Front Oncol 2021; 11:754770. [PMID: 34858827 PMCID: PMC8632150 DOI: 10.3389/fonc.2021.754770] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 10/11/2021] [Indexed: 01/22/2023] Open
Abstract
The development of topical cream drugs that increase the immune activation of tumour-infiltrating lymphocytes against tumour and chronic viral infection-associated lesions is of great immunotherapeutic significance. This study demonstrates that the topical application of a temperature-sensitive gel containing caerin 1.1 and 1.9 peptides reduces nearly 50% of the tumour weight of HPV16 E6/E7-transformed TC-1 tumour-bearing mice via improving the tumour microenvironment. Confocal microscopy confirms the time-dependent penetration of caerin 1.9 through the epidermal layer of the ear skin structure of mice. Single-cell transcriptomic analysis shows that the caerin 1.1/1.9 gel expands the populations with high immune activation level and largely stimulates the pro-inflammatory activity of NK and dendritic cells. Closely associated with INFα response, Cebpb seems to play a key role in altering the function of all Arg1hi macrophages in the caerin group. In addition, the caerin gel treatment recruits almost two-fold more activated CD8+ T cells to the TME, relative to the untreated tumour, which shows a synergistic effect derived from the regulation of S1pr1, Ccr7, Ms4a4b and Gimap family expression. The TMT10plex-labelling proteomic quantification further demonstrates the activation of interferon-alpha/beta secretion and response to cytokine stimulus by the caerin gel, while the protein contents of several key regulators were elevated by more than 30%, such as Cd5l, Gzma, Ifit1, Irf9 and Stat1. Computational integration of the proteome with the single-cell transcriptome consistently suggested greater activation of NK and T cells with the topical application of caerin peptide gel.
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Affiliation(s)
- Guoying Ni
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China.,Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Australia.,Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia.,The First Affiliated Hospital/School of Clinical Medicine of Guangdong Pharmaceutical University , Guangzhou, China
| | - Xiaosong Liu
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China.,Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Australia
| | - Hejie Li
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Australia.,School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD, Australia
| | - Conor E Fogarty
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Australia.,School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD, Australia
| | - Shu Chen
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China
| | - Pingping Zhang
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China
| | - Ying Liu
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China
| | - Xiaolian Wu
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China
| | - Ming Q Wei
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia
| | - Guoqiang Chen
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, China
| | - Ping Zhang
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia
| | - Tianfang Wang
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Australia.,School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD, Australia
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7
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Engel JA, Lee HJ, Williams CG, Kuns R, Olver S, Lansink LI, Soon MS, Andersen SB, Powell JE, Svensson V, Teichmann SA, Hill GR, Varelias A, Koyama M, Haque A. Single-cell transcriptomics of alloreactive CD4+ T cells over time reveals divergent fates during gut graft-versus-host disease. JCI Insight 2020; 5:137990. [PMID: 32484791 PMCID: PMC7406307 DOI: 10.1172/jci.insight.137990] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/21/2020] [Indexed: 08/05/2023] Open
Abstract
Acute gastrointestinal (GI) graft-versus-host disease (GVHD) is a primary determinant of mortality after allogeneic hematopoietic stem cell transplantation (alloSCT). The condition is mediated by alloreactive donor CD4+ T cells that differentiate into pathogenic subsets expressing IFN-γ, IL-17A, or GM-CSF and is regulated by subsets expressing IL-10 and/or Foxp3. Developmental relationships between Th cell states during priming in mesenteric lymph nodes (mLNs) and effector function in the GI tract remain undefined at genome scale. We applied scRNA-Seq and computational modeling to a mouse model of donor DC-mediated GVHD exacerbation, creating an atlas of putative CD4+ T cell differentiation pathways in vivo. Computational trajectory inference suggested emergence of pathogenic and regulatory states along a single developmental trajectory in mLNs. Importantly, we inferred an unexpected second trajectory, categorized by little proliferation or cytokine expression, reduced glycolysis, and high tcf7 expression. TCF1hi cells upregulated α4β7 before gut migration and failed to express cytokines. These cells exhibited recall potential and plasticity following secondary transplantation, including cytokine or Foxp3 expression, but reduced T cell factor 1 (TCF1). Thus, scRNA-Seq suggested divergence of alloreactive CD4+ T cells into quiescent and effector states during gut GVHD exacerbation by donor DC, reflecting putative heterogeneous priming in vivo. These findings, which are potentially the first at a single-cell level during GVHD over time, may assist in examination of T cell differentiation in patients undergoing alloSCT.
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Affiliation(s)
- Jessica A. Engel
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Hyun Jae Lee
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Cameron G. Williams
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Rachel Kuns
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Stuart Olver
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Lianne I.M. Lansink
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Megan S.F. Soon
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
| | - Stacey B. Andersen
- Institute for Molecular Bioscience, University of Queensland, St. Lucia, Queensland, Australia
| | - Joseph E. Powell
- Garvan-Weizmann Centre for Cellular Genomics, Sydney, New South Wales, Australia
- UNSW Cellular Genomics Futures Institute, University of New South Wales, Sydney, New South Wales, Australia
| | | | - Sarah A. Teichmann
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
| | - Geoffrey R. Hill
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
- Division of Medical Oncology, University of Washington, Seattle, Washington, USA
| | - Antiopi Varelias
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
- Faculty of Medicine, University of Queensland, St. Lucia, Queensland, Australia
| | - Motoko Koyama
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Ashraful Haque
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, Queensland, Australia
- Department of Microbiology and Immunology, University of Melbourne, located at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
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8
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Lu DR, Wu H, Driver I, Ingersoll S, Sohn S, Wang S, Li CM, Phee H. Dynamic changes in the regulatory T-cell heterogeneity and function by murine IL-2 mutein. Life Sci Alliance 2020; 3:3/5/e201900520. [PMID: 32269069 PMCID: PMC7156283 DOI: 10.26508/lsa.201900520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 12/30/2022] Open
Abstract
Single-cell RNA-seq analysis reveals that IL-2 mutein treatment expands multiple sub-states of regulatory T cells with superior suppressive function in mice. The therapeutic expansion of Foxp3+ regulatory T cells (Tregs) shows promise for treating autoimmune and inflammatory disorders. Yet, how this treatment affects the heterogeneity and function of Tregs is not clear. Using single-cell RNA-seq analysis, we characterized 31,908 Tregs from the mice treated with a half-life extended mutant form of murine IL-2 (IL-2 mutein, IL-2M) that preferentially expanded Tregs, or mouse IgG Fc as a control. Cell clustering analysis revealed that IL-2M specifically expands multiple sub-states of Tregs with distinct expression profiles. TCR profiling with single-cell analysis uncovered Treg migration across tissues and transcriptional changes between clonally related Tregs after IL-2M treatment. Finally, we identified IL-2M–expanded Tnfrsf9+Il1rl1+ Tregs with superior suppressive function, highlighting the potential of IL-2M to expand highly suppressive Foxp3+ Tregs.
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Affiliation(s)
- Daniel R Lu
- Genome Analysis Unit, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Hao Wu
- Department of Oncology and Inflammation, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Ian Driver
- Genome Analysis Unit, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Sarah Ingersoll
- Department of Oncology and Inflammation, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Sue Sohn
- Department of Oncology and Inflammation, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Songli Wang
- Genome Analysis Unit, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Chi-Ming Li
- Genome Analysis Unit, Amgen Research, Amgen Inc, South San Francisco, CA, USA
| | - Hyewon Phee
- Department of Oncology and Inflammation, Amgen Research, Amgen Inc, South San Francisco, CA, USA
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9
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Misra A, Chakrabarti SS, Gambhir IS. New genetic players in late-onset Alzheimer's disease: Findings of genome-wide association studies. Indian J Med Res 2019; 148:135-144. [PMID: 30381536 PMCID: PMC6206761 DOI: 10.4103/ijmr.ijmr_473_17] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Late-onset Alzheimer's disease (LOAD) or sporadic AD is the most common form of AD. The precise pathogenetic changes that trigger the development of AD remain largely unknown. Large-scale genome-wide association studies (GWASs) have identified single-nucleotide polymorphisms in multiple genes which are associated with AD; most notably, these are ABCA7, bridging integrator 1(B1N1), triggering receptor expressed on myeloid cells 2 (TREM2), CD33, clusterin (CLU), complement receptor 1 (CRI), ephrin type-A receptor 1 (EPHA1), membrane-spanning 4-domains, subfamily A (MS4A) and phosphatidylinositol binding clathrin assembly protein (PICALM) genes. The proteins coded by the candidate genes participate in a variety of cellular processes such as oxidative balance, protein metabolism, cholesterol metabolism and synaptic function. This review summarizes the major gene loci affecting LOAD identified by large GWASs. Tentative mechanisms have also been elaborated in various studies by which the proteins coded by these genes may exert a role in AD pathogenesis have also been elaborated. The review suggests that these may together affect LOAD pathogenesis in a complementary fashion.
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Affiliation(s)
- Anamika Misra
- Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | | | - Indrajeet Singh Gambhir
- Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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10
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Kaneko T, Toshimori K, Iida H. Subcellular localization of MS4A13 isoform 2 in mouse spermatozoa. Reproduction 2017; 154:843-857. [PMID: 28971897 DOI: 10.1530/rep-17-0477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/11/2017] [Accepted: 10/02/2017] [Indexed: 01/02/2023]
Abstract
To identify upregulated genes during the development of spermatozoa, we performed PCR-selected subtraction analysis of testes RNA samples from 10-day-old and 12-week-old shrews. A transcript, highly homologous to two mouse transcripts, Ms4a13-1 and Ms4a13-2, was differentially regulated. Ms4a13-2, but not Ms4a13-1, was shown to be primarily expressed in mouse testes in an age-dependent manner. Ms4a13-2 cDNA contains an open-reading frame of 522 nucleotides, encoding a protein of 174 amino acids, with predicted molecular mass, 19,345 Da. MS4A13-2 protein was expressed along the periphery of nuclei of round and elongated spermatids (steps 3-16) in adult mouse testes, and in the equatorial region of the heads of fresh mature mouse spermatozoa. In addition, MS4A13-2 was found to localize to the outer acrosomal membrane in the equatorial region of heads in fresh spermatozoa. In acrosome-reacted spermatozoa, the MS4A13-2 expression extended to the entire sperm head including the postacrosomal region and acrosomal cap. MS4A family proteins are known to facilitate intracellular protein-protein interactions as ion channel/adaptor proteins by oligomerization, and have important regulatory roles in cellular growth, survival and activation. We report that the MS4A family member, MS4A13-2, may form oligomers in sperm membranes, which may be involved in an interaction with the zona pellucida or cumulus during fertilization.
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Affiliation(s)
- Takane Kaneko
- Laboratory of ZoologyGraduate School of Agriculture, Kyushu University, Fukuoka, Japan
| | - Kiyotaka Toshimori
- Future Medicine Research Center and Department of Reproductive Biology and MedicineGraduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiroshi Iida
- Laboratory of ZoologyGraduate School of Agriculture, Kyushu University, Fukuoka, Japan
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11
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Yang T, Ahmari N, Schmidt JT, Redler T, Arocha R, Pacholec K, Magee KL, Malphurs W, Owen JL, Krane GA, Li E, Wang GP, Vickroy TW, Raizada MK, Martyniuk CJ, Zubcevic J. Shifts in the Gut Microbiota Composition Due to Depleted Bone Marrow Beta Adrenergic Signaling Are Associated with Suppressed Inflammatory Transcriptional Networks in the Mouse Colon. Front Physiol 2017; 8:220. [PMID: 28446880 PMCID: PMC5388758 DOI: 10.3389/fphys.2017.00220] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 03/27/2017] [Indexed: 12/19/2022] Open
Abstract
The brain-gut axis plays a critical role in the regulation of different diseases, many of which are characterized by sympathetic dysregulation. However, a direct link between sympathetic dysregulation and gut dysbiosis remains to be illustrated. Bone marrow (BM)-derived immune cells continuously interact with the gut microbiota to maintain homeostasis in the host. Their function is largely dependent upon the sympathetic nervous system acting via adrenergic receptors present on the BM immune cells. In this study, we utilized a novel chimera mouse that lacks the expression of BM beta1/2 adrenergic receptors (b1/2-ARs) to investigate the role of the sympathetic drive to the BM in gut and microbiota homeostasis. Fecal analyses demonstrated a shift from a dominance of Firmicutes to Bacteroidetes phylum in the b1/2-ARs KO chimera, resulting in a reduction in Firmicutes/Bacteroidetes ratio. Meanwhile, a significant reduction in Proteobacteria phylum was determined. No changes in the abundance of acetate-, butyrate-, and lactate-producing bacteria, and colon pathology were observed in the b1/2-ARs KO chimera. Transcriptomic profiling in colon identified Killer Cell Lectin-Like Receptor Subfamily D, Member 1 (Klrd1), Membrane-Spanning 4-Domains Subfamily A Member 4A (Ms4a4b), and Casein Kinase 2 Alpha Prime Polypeptide (Csnk2a2) as main transcripts associated with the microbiota shifts in the b1/2-ARs KO chimera. Suppression of leukocyte-related transcriptome networks (i.e., function, differentiation, migration), classical compliment pathway, and networks associated with intestinal function, barrier integrity, and excretion was also observed in the colon of the KO chimera. Moreover, reduced expression of transcriptional networks related to intestinal diseases (i.e., ileitis, enteritis, inflammatory lesions, and stress) was noted. The observed suppressed transcriptome networks were associated with a reduction in NK cells, macrophages, and CD4+ T cells in the b1/2-ARs KO chimera colon. Thus, sympathetic regulation of BM-derived immune cells plays a significant role in modifying inflammatory networks in the colon and the gut microbiota composition. To our knowledge, this study is the first to suggest a key role of BM b1/2-ARs signaling in host-microbiota interactions, and reveals specific molecular mechanisms that may lead to generation of novel anti-inflammatory treatments for many immune and autonomic diseases as well as gut dysbiosis across the board.
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Affiliation(s)
- Tao Yang
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Niousha Ahmari
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Jordan T Schmidt
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Ty Redler
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Rebeca Arocha
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Kevin Pacholec
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Kacy L Magee
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Wendi Malphurs
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Jennifer L Owen
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Gregory A Krane
- Cellular and Molecular Pathology Branch, National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle ParkDurham, NC, USA
| | - Eric Li
- Division of Infectious Diseases and Global Medicine, Department of Medicine, University of FloridaGainesville, FL, USA
| | - Gary P Wang
- Division of Infectious Diseases and Global Medicine, Department of Medicine, University of FloridaGainesville, FL, USA
| | - Thomas W Vickroy
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Mohan K Raizada
- Department of Physiology and Functional Genomics, College of Medicine, University of FloridaGainesville, FL, USA
| | - Christopher J Martyniuk
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
| | - Jasenka Zubcevic
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida (UF)Gainesville, FL, USA
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12
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Innate-like functions of natural killer T cell subsets result from highly divergent gene programs. Nat Immunol 2016; 17:728-39. [PMID: 27089380 DOI: 10.1038/ni.3437] [Citation(s) in RCA: 215] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 03/15/2016] [Indexed: 02/07/2023]
Abstract
Natural killer T cells (NKT cells) have stimulatory or inhibitory effects on the immune response that can be attributed in part to the existence of functional subsets of NKT cells. These subsets have been characterized only on the basis of the differential expression of a few transcription factors and cell-surface molecules. Here we have analyzed purified populations of thymic NKT cell subsets at both the transcriptomic level and epigenomic level and by single-cell RNA sequencing. Our data indicated that despite their similar antigen specificity, the functional NKT cell subsets were highly divergent populations with many gene-expression and epigenetic differences. Therefore, the thymus 'imprints' distinct gene programs on subsets of innate-like NKT cells that probably impart differences in proliferative capacity, homing, and effector functions.
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13
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Ji W, Xu L, Zhou H, Wang S, Fang Y. Meta-analysis of association between the genetic polymorphisms on chromosome 11q and Alzheimer's disease susceptibility. Int J Clin Exp Med 2015; 8:18235-18244. [PMID: 26770425 PMCID: PMC4694325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 10/05/2015] [Indexed: 06/05/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease mostly occurred in the elderly. Genetic mutation is one of well-established risk factors for AD. Several polymorphisms on chromosome 11q were reported to be associated with AD susceptibility. Hence we performed a meta-analysis to systematically assess the association between the most-reported polymorphisms on chromosome 11q (rs10793294, rs7115850, rs7101429, rs4945261, rs2373115, rs670142, rs610932, rs541458 and rs3851179) and AD risk. A comprehensive literature search in the electronic databases was performed to identify all eligible studies. The pooled odds ratios (OR) and 95% confidence intervals (95% CI) were calculated to evaluate the association between 11q variants and AD risk by using the allelic model. Sensitivity analysis was carried out to analyze the influence of single study on the overall results. Begg's funnel plots and Egger's test were used to assess the publication biases among studies. All the statistical analyses were conducted by using STATA 12.0 Software (Stata Corp, College Station, TX, USA). A total of 35 eligible articles were included in our meta-analysis. Our data showed that the polymorphism of rs610932 were significantly associated with lower AD risk with a pooled OR of 0.88 (95% CI: 0.84-0.92, P=0.005). The other SNPs of rs494526 (OR=0.83, 95% CI: 0.65-1.00, P<0.001), rs2373115 (OR=0.85, 95% CI: 0.75-0.95, P<0.001) and rs670139 (OR=1.09, 95% CI: 1.05-1.12, P=0.554) were shown to be correlated with lower AD risk. Subgroup analysis revealed a similar result in Caucasians. But only the rs610932 polymorphism was found to be associated with lower AD risk in Asians. The polymorphism of rs610932 was shown to be a risk factor for AD while the other three genetic variants (rs494526, rs2373115 and rs610932) may act as protective factors against AD.
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Affiliation(s)
- Weidong Ji
- Department of Neurology, The First People’s Hospital of Shangqiu CityShangqiu 476000, China
| | - Lanling Xu
- Department of Infedtious Diseases, East Hospital, The Branch of The First People’s Hospital of Shangqiu CityShangqiu 476000, China
| | - Haiyun Zhou
- Department of Neurology, The First People’s Hospital of Shangqiu CityShangqiu 476000, China
| | - Suishan Wang
- Department of Neurology, The First People’s Hospital of Shangqiu CityShangqiu 476000, China
| | - Yan Fang
- Department of Neurology, The First People’s Hospital of Shangqiu CityShangqiu 476000, China
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14
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The MS4A family: counting past 1, 2 and 3. Immunol Cell Biol 2015; 94:11-23. [PMID: 25835430 DOI: 10.1038/icb.2015.48] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/27/2015] [Accepted: 03/28/2015] [Indexed: 02/01/2023]
Abstract
The MS4A (membrane-spanning 4-domain family, subfamily A) family of proteins contains some well-known members including MS4A1 (CD20), MS4A2 (FcɛRIβ) and MS4A3 (HTm4). These three MS4A family members are expressed on the cell surface of specific leukocyte subsets and have been well characterized as having key roles in regulating cell activation, growth and development. However, beyond MS4A1-3 there are a large number of related molecules (18 to date in humans) where our understanding of their biological roles is at a relatively nascent stage. This review examines the larger MS4A family focusing on their structure, expression, regulation and characterized and/or emerging biological roles. Our own work on one family member MS4A8B, and its possible role in epithelial cell regulation, is also highlighted.
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15
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Cruse G, Beaven MA, Music SC, Bradding P, Gilfillan AM, Metcalfe DD. The CD20 homologue MS4A4 directs trafficking of KIT toward clathrin-independent endocytosis pathways and thus regulates receptor signaling and recycling. Mol Biol Cell 2015; 26:1711-27. [PMID: 25717186 PMCID: PMC4436782 DOI: 10.1091/mbc.e14-07-1221] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 02/18/2015] [Indexed: 01/29/2023] Open
Abstract
MS4A4 traffics through endocytic recycling pathways and stabilizes surface KIT expression by regulating endocytosis and recycling. Silencing MS4A4 reduces KIT recruitment to lipid raft microdomains and PLCg1 signaling while promoting AKT signaling, cell migration, and proliferation. This study is the first to describe functions for human MS4A4. MS4A family members differentially regulate the cell cycle, and aberrant, or loss of, expression of MS4A family proteins has been observed in colon and lung cancer. However, the precise functions of MS4A family proteins and their mechanistic interactions remain unsolved. Here we report that MS4A4 facilitates trafficking of the receptor tyrosine kinase KIT through endocytic recycling rather than degradation pathways by a mechanism that involves recruitment of KIT to caveolin-1–enriched microdomains. Silencing of MS4A4 in human mast cells altered ligand-induced KIT endocytosis pathways and reduced receptor recycling to the cell surface, thus promoting KIT signaling in the endosomes while reducing that in the plasma membrane, as exemplified by Akt and PLCγ1 phosphorylation, respectively. The altered endocytic trafficking of KIT also resulted in an increase in SCF-induced mast cell proliferation and migration, which may reflect altered signaling in these cells. Our data reveal a novel function for MS4A family proteins in regulating trafficking and signaling, which could have implications in both proliferative and immunological diseases.
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Affiliation(s)
- Glenn Cruse
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Michael A Beaven
- Laboratory of Molecular Immunology, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892
| | - Stephen C Music
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Peter Bradding
- Department of Infection, Immunity and Inflammation, Institute for Lung Health, University of Leicester, Glenfield Hospital, Leicester LE3 9QP, United Kingdom
| | - Alasdair M Gilfillan
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
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16
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Seminal plasma proteins of adult boars and correlations with sperm parameters. Theriogenology 2014; 82:697-707. [DOI: 10.1016/j.theriogenology.2014.05.024] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 05/28/2014] [Accepted: 05/28/2014] [Indexed: 01/31/2023]
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17
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Ma J, Yu JT, Tan L. MS4A Cluster in Alzheimer's Disease. Mol Neurobiol 2014; 51:1240-8. [PMID: 24981432 DOI: 10.1007/s12035-014-8800-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 06/22/2014] [Indexed: 01/13/2023]
Abstract
Several variants within membrane-spanning 4-domains subfamily A (MS4A) gene cluster have recently been implicated the association of Alzheimer's disease (AD) by serial recent genome-wide association studies (GWAS). As cell membrane proteins, MS4A family members are found to participate in the regulation of calcium signaling which have been widely discussed in neurodegeneration and AD. Besides, although the MS4A family members are poorly characterized, an important role in immunity has already been identified for several members of this cluster (such as MS4A1, MS4A2, and MS4A4B), indicating the possible involvement of MS4A gene cluster in AD pathogenesis. In this article, we briefly summarize the structure, localization, and function of MS4A gene cluster, review recent genetic and expression findings concerning the association of MS4A gene cluster with AD pathogenesis, and also speculate the possible roles of MS4A gene cluster in this disease. Based on the contributing effects of MS4A gene cluster in AD pathogenesis, targeting MS4A gene cluster might provide new opportunities for AD treatment.
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Affiliation(s)
- Jing Ma
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
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18
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Yan Y, Li Z, Zhang GX, Williams MS, Carey GB, Zhang J, Rostami A, Xu H. Anti-MS4a4B treatment abrogates MS4a4B-mediated protection in T cells and ameliorates experimental autoimmune encephalomyelitis. Apoptosis 2014; 18:1106-19. [PMID: 23801080 DOI: 10.1007/s10495-013-0870-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Recent data show that anti-CD20 therapy is effective for some autoimmune diseases, including multiple sclerosis (MS). However, the efficacy of anti-CD20 therapy for MS is largely limited because anti-CD20 antibodies target only B cells. In previous studies, we have investigated the function of MS4a4B, a novel CD20 homologue, in T cell proliferation. Here, we found that MS4a4B regulates not only T cell proliferation but also T cell apoptosis. Knockdown of MS4a4B by MS4a4B-siRNA or MS4a4B-shRNA-expressing vector promoted apoptosis in primary T cells and T32 cell line. In contrast, vector-driven over-expression of MS4a4B reduced apoptosis in EL-4 cells. Machinery analysis showed that MS4a4B-mediated T cell survival was associated with decreased activity of caspases 3, 8 and 9. Interestingly, binding of anti-MS4a4B antibodies to T cells induced activated T cells to undergo apoptosis. To test whether anti-MS4a4B antibody interferes with MS4a4B-mediated protection of T cells, we injected anti-MS4a4B antibodies into mice with experimental autoimmune encephalomyelitis (EAE). The results show that anti-MS4a4B treatment ameliorated the severity of EAE, accompanied by decreased Th1 and Th17 cell responses and reduced levels of pro-inflammatory cytokines in the central nervous system, suggesting that MS4a4B may serve as a target of antibody-based therapy for T cell-mediated diseases.
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Affiliation(s)
- Yaping Yan
- Department of Neurology, Thomas Jefferson University, 900 Walnut Street, JHN 300, Philadelphia, PA 19107, USA
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19
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20
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Michel J, Schönhaar K, Schledzewski K, Gkaniatsou C, Sticht C, Kellert B, Lasitschka F, Géraud C, Goerdt S, Schmieder A. Identification of the novel differentiation marker MS4A8B and its murine homolog MS4A8A in colonic epithelial cells lost during neoplastic transformation in human colon. Cell Death Dis 2013; 4:e469. [PMID: 23348583 PMCID: PMC3564002 DOI: 10.1038/cddis.2012.215] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The CD20-homolog Ms4a8a has recently been shown to be a marker for alternatively activated macrophages but its expression is not restricted to hematopoietic cells. Here, MS4A8A/MS4A8B expression was detected in differentiated intestinal epithelium in mouse and human, respectively. Interestingly, no MS4A8B expression was found in human colon carcinoma. Forced overexpression of MS4A8A in the murine colon carcinoma cell line CT26 led to a reduced proliferation and migration rate. In addition, MS4A8A-expressing CT26 cells displayed an increased resistance to hydrogen peroxide-induced apoptosis, which translated in an increased end weight of subcutaneous MS4A8A+ CT26 tumors. Gene profiling of MS4A8A+ CT26 cells revealed a significant regulation of 225 genes, most of them involved in cytoskeletal organization, apoptosis, proliferation, transcriptional regulation and metabolic processes. Thereby, the highest upregulated gene was the intestinal differentiation marker cytokeratin 20. In conclusion, we show that MS4A8A/MS4A8B is a novel differentiation marker of the intestinal epithelium that supports the maintenance of a physiological barrier function in the gut by modulating the transcriptome and by conferring an increased resistance to reactive oxygen species. The absence of MS4A8B in human colonic adenocarcinomas shown in this study might be a helpful tool to differentiate between healthy and neoplastic tissue.
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Affiliation(s)
- J Michel
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
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21
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Nakamaki T, Fukuchi K, Nakashima H, Ariizumi H, Maeda T, Saito B, Yanagisawa K, Tomoyasu S, Homma M, Shiozawa E, Yamochi-Onizuka T, Ota H. CD20 gene deletion causes a CD20-negative relapse in diffuse large B-cell lymphoma. Eur J Haematol 2012; 89:350-5. [PMID: 22805426 DOI: 10.1111/j.1600-0609.2012.01838.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2012] [Indexed: 11/30/2022]
Abstract
In diffuse large B-cell lymphoma (DLBCL), a CD20-negative relapse is clinically significant because it is associated with chemo-refractory phenotypes and loss of a therapeutic target. The alteration of the CD20 gene is reported as infrequent in CD20-negative relapse in B-cell lymphoma. We established a DLBCL cell line with loss of CD20 expression (SD07) from a patient at CD20-negative relapse. She was initially diagnosed with CD20-positive DLBCL and received repeated immuno-chemotherapy that included rituximab. SD07, which has an immunoglobulin κ rearrangement identical to that of lymphoma cells at CD20-negative relapse, showed homozygous deletion of the CD20 gene with loss of the copy number of 11q12. SD07 is the first case in which it is proven that the loss of CD20 expression in relapsed DLBCL is the result of deletion of the CD20 gene. Deletion of the CD20 gene is a molecular mechanism of CD20-negative relapse in a subset of DLBCL.
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Affiliation(s)
- Tsuyoshi Nakamaki
- Division of Hematology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan.
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22
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Yan Y, Zhang GX, Williams MS, Carey GB, Li H, Yang J, Rostami A, Xu H. TCR stimulation upregulates MS4a4B expression through induction of AP-1 transcription factor during T cell activation. Mol Immunol 2012; 52:71-8. [PMID: 22595231 DOI: 10.1016/j.molimm.2012.04.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Revised: 04/16/2012] [Accepted: 04/21/2012] [Indexed: 11/17/2022]
Abstract
MS4a4B is a novel member of the membrane-spanning 4-domain family, subfamily A (MS4A) specifically expressed in mouse T cells. We have shown previously that expression of MS4a4B in T cells is upregulated upon T cell activation, suggesting that MS4a4B may play a functional role in regulation of T cell responses. However, little is known about the mechanisms that regulate MS4a4B gene expression. In this study, we explored the potential mechanism underlying TCR-stimulation-induced expression of MS4a4B by promoter analysis. We cloned 2495bp of 5'-flanking region upstream of the MS4a4B start code and inserted the DNA fragment into pGL4.20 reporter plasmid. To analyze promoter activity of the cloned DNA fragment, we transiently transfected EL4 thymoma cells and the T32 cell line with reporter plasmids. Expression of reporter gene was determined by dual-luciferase assay. Potential activator- and repressor-binding sites were analyzed by serial length of 5'-deletion. We have identified at least two potential activator binding regions and two potential repressor binding regions. The activator binding sites have been localized to two fragments, which are a 442-base pair region (region A) positioned from -1176 to -735, and a 119-base pair region (region B) positioned -188 to -70 respectively. MatInspector analysis showed that region A contains the consensus binding motif of the AP-1 family of transcription factors. Machinery analysis showed that nuclear proteins extracted from anti-CD3/anti-CD28-activated primary T cells specifically bind to the AP-1 binding element. In contrast, blockade by AP-1 inhibitor in culture decreased MS4a4B expression in T cells. Our data demonstrate that TCR-stimulation induces transactivation of AP-1 transcription factor, which subsequently binds to the MS4a4B promoter and upregulates expression of MS4a4B in activated T cells.
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Affiliation(s)
- Yaping Yan
- Department of Neurology, Thomas Jefferson University, 900 Walnut Street, JHN 300, Philadelphia, PA 19107, USA
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Carter C. Alzheimer's Disease: APP, Gamma Secretase, APOE, CLU, CR1, PICALM, ABCA7, BIN1, CD2AP, CD33, EPHA1, and MS4A2, and Their Relationships with Herpes Simplex, C. Pneumoniae, Other Suspect Pathogens, and the Immune System. Int J Alzheimers Dis 2011; 2011:501862. [PMID: 22254144 PMCID: PMC3255168 DOI: 10.4061/2011/501862] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Accepted: 09/02/2011] [Indexed: 12/26/2022] Open
Abstract
Alzheimer's disease susceptibility genes, APP and gamma-secretase, are involved in the herpes simplex life cycle, and that of other suspect pathogens (C. pneumoniae, H. pylori, C. neoformans, B. burgdorferri, P. gingivalis) or immune defence. Such pathogens promote beta-amyloid deposition and tau phosphorylation and may thus be causative agents, whose effects are conditioned by genes. The antimicrobial effects of beta-amyloid, the localisation of APP/gamma-secretase in immunocompetent dendritic cells, and gamma secretase cleavage of numerous pathogen receptors suggest that this network is concerned with pathogen disposal, effects which may be abrogated by the presence of beta-amyloid autoantibodies in the elderly. These autoantibodies, as well as those to nerve growth factor and tau, also observed in Alzheimer's disease, may well be antibodies to pathogens, due to homology between human autoantigens and pathogen proteins. NGF or tau antibodies promote beta-amyloid deposition, neurofibrillary tangles, or cholinergic neuronal loss, and, with other autoantibodies, such as anti-ATPase, are potential agents of destruction, whose formation is dictated by sequence homology between pathogen and human proteins, and thus by pathogen strain and human genes. Pathogen elimination in the ageing population and removal of culpable autoantibodies might reduce the incidence and offer hope for a cure in this affliction.
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Affiliation(s)
- Chris Carter
- PolygenicPathways, Flat 2, 40 Baldslow Road, Hastings, East Sussex TN34 2EY, UK
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