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Role of MAIT cells in metabolic diseases
Molecular Immunology, 2021MAIT cells are innate-like T cells that are enriched in mucosal sites and tissues including adipose tissue and liver. They play an important role in immunity against microbial pathogens. Recently, it has been reported that MAIT cells could also be important in metabolic diseases and can be involved in setting up and maintaining chronic inflammation. In
Amine, Toubal, Agnès, Lehuen
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MAIT cells in infectious diseases
Current Opinion in Immunology, 2017In humans, MAIT cells represent the most abundant T cell subset reacting against bacteria. Their frequency in the blood is decreased in a large variety of infectious diseases of either bacterial or viral origin. MAIT cells accumulate at the site of bacterial infection and are protective in experimental infection models.
Marion, Salou +2 more
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MAIT cell subtypes in multiple sclerosis
Journal of Neuroimmunology, 2020In patients with multiple sclerosis (MS) and healthy controls (HC) we studied circulating MAIT cells and MAIT cell subtypes expressing CXCR3 and CCR6 by flow cytometry. Absolute numbers of MAIT cells and specifically Tc17-like MAIT cells were lower in patients with primary progressive MS (PPMS) than in controls. Low numbers of Tc17-like MAIT cells were
Ammitzbøll, Cecilie +5 more
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MAIT cell development in mice and humans
Molecular Immunology, 2021MAIT cells arise in the thymus following rearrangement of a T cell receptor (TCR) reactive against microbial vitamin B2-derived metabolites presented by the MHC-Ib molecule, MR1. Mechanisms that are conserved in mammals ensure the frequent production of MR1-restricted TCRs and the intra-thymic differentiation of MR1-restricted thymocytes into effector ...
Marion, Salou +2 more
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MAIT cells and pathogen defense
Cellular and Molecular Life Sciences, 2014Mucosa-associated invariant T (MAIT) cells are a unique population of innate T cells that are abundant in humans. These cells possess an evolutionarily conserved invariant T cell receptor α chain restricted by the nonpolymorphic class Ib major histocompatibility (MHC) molecule, MHC class I-related protein (MR1). The recent discovery that MAIT cells are
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Nature Reviews Immunology, 2019
Commensal bacteria at mucosal surfaces can remotely control the thymic maturation of mucosal-associated invariant T cells through the production of microbial factors that enter the circulation and are taken up by thymic cells.
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Commensal bacteria at mucosal surfaces can remotely control the thymic maturation of mucosal-associated invariant T cells through the production of microbial factors that enter the circulation and are taken up by thymic cells.
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Interactions Between MAIT Cells and Dendritic Cells
2019Mucosal-associated invariant T (MAIT) cells recognize intermediates of the vitamin B2 biosynthetic pathway present in a variety of bacteria, presented by the monomorphic MR1 molecules. Because of their central role in shaping adaptive immunity through interaction with dendritic cells (DCs) and B cells, their manipulation can be of translational ...
Mariolina, Salio, Vincenzo, Cerundolo
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The biology and functional importance of MAIT cells
Nature Immunology, 2019In recent years, a population of unconventional T cells called 'mucosal-associated invariant T cells' (MAIT cells) has captured the attention of immunologists and clinicians due to their abundance in humans, their involvement in a broad range of infectious and non-infectious diseases and their unusual specificity for microbial riboflavin-derivative ...
Dale I. Godfrey +3 more
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MAIT cells and MR1-antigen recognition
Current Opinion in Immunology, 2017Mucosal-associated invariant T cells (MAIT cells) are innate-like T cells that recognise antigens presented by the monomorphic MHC-I related molecule, MR1. Distinct from the conventional MHC-restricted T cell system, MR1 presents small-molecule precursors, derived from microbial biosynthesis of riboflavin, to activate the innate MAIT cell effector ...
Andrew N, Keller +4 more
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Deficiency in Peripheral MAIT Cells But Not in Intrahepatic MAIT Cells in Humans with CHBV Infection
SSRN Electronic Journal, 2019Background: Chronic hepatitis B virus (CHBV) infection is a major cause of liver diseases. Mucosal-associated invariant T (MAIT) cells are important for antiviral immunity in the liver, but the distinction between intrasinusoidal MAIT cells and peripheral MAIT cells in patients with CHBV infection remains unclear.
Wenyong Huang +6 more
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