Mucosal-associated invariant T cells: unconventional development and function.
Trends Immunol
; 32(5): 212-8, 2011 May.
Article
em En
| MEDLINE
| ID: mdl-21459674
ABSTRACT
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.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Infecções Bacterianas
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Antígenos de Histocompatibilidade Classe I
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Subpopulações de Linfócitos T
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Mucosa
Tipo de estudo:
Risk_factors_studies
Limite:
Animals
/
Humans
Idioma:
En
Ano de publicação:
2011
Tipo de documento:
Article