Mucosal-associated invariant T cells: unconventional development and function
Copyright policy )Mucosal-associated invariant T cells: unconventional development and function
Mucosal-associated invariant T (MAIT) cells are a population of T cells that display a semi-invariant T cell receptor (TCR) and are restricted by the evolutionarily conserved major histocompatibility complex related molecule, MR1. Here, we review recent knowledge of this T cell population. MAIT cells are abundant in human blood, gut and liver, and display an effector phenotype. They follow an atypical pathway of development and preferentially locate to peripheral tissues. Human and mouse MAIT cells react to bacterially infected cells in an MR1-dependent manner. They migrate to the infection site and can be protective in experimental infection models. MAIT cells secrete interferon-γ, and interleukin-17 under certain conditions. The species conservation, as well as the wide microbial reactivity, infer an important role for this cell population in immunity.
Mucous Membrane, Histocompatibility Antigens Class I, Interleukin-17, Receptors, Antigen, T-Cell, Bacterial Infections, Lymphocyte Activation, Minor Histocompatibility Antigens, Interferon-gamma, Mice, T-Lymphocyte Subsets, Animals, Humans
Mucous Membrane, Histocompatibility Antigens Class I, Interleukin-17, Receptors, Antigen, T-Cell, Bacterial Infections, Lymphocyte Activation, Minor Histocompatibility Antigens, Interferon-gamma, Mice, T-Lymphocyte Subsets, Animals, Humans
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