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Heterogeneity of Human CD4(+) T Cells Against Microbes.
Sallusto, Federica.
Afiliação
  • Sallusto F; Center of Medical Immunology and Laboratory of Cellular Immunology, Institute for Research in Biomedicine, Università della Svizzera Italiana, 6500 Bellinzona, Switzerland; email: federica.sallusto@irb.usi.ch.
Annu Rev Immunol ; 34: 317-34, 2016 05 20.
Article em En | MEDLINE | ID: mdl-27168241
CD4(+) T helper (Th) cells play a central role in the adaptive immune response by providing help to B cells and cytotoxic T cells and by releasing different types of cytokines in tissues to mediate protection against a wide range of pathogenic microorganisms. These functions are performed by different types of Th cells endowed with distinct migratory capacities and effector functions. Here we discuss how studies of the human T cell response to microbes have advanced our understanding of Th cell functional heterogeneity, in particular with the discovery of a distinct Th1 subset involved in the response to Mycobacteria and the characterization of two types of Th17 cells specific for extracellular bacteria or fungi. We also review new approaches to dissect at the clonal level the human CD4(+) T cell response induced by pathogens or vaccines that have revealed an unexpected degree of intraclonal diversification and propose a progressive and selective model of CD4(+) T cell differentiation.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Infecções Bacterianas / Vacinas / Células Th1 / Biodiversidade / Imunidade Adaptativa / Células Th17 / Micoses Limite: Animals / Humans Idioma: En Revista: Annu Rev Immunol Ano de publicação: 2016 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Infecções Bacterianas / Vacinas / Células Th1 / Biodiversidade / Imunidade Adaptativa / Células Th17 / Micoses Limite: Animals / Humans Idioma: En Revista: Annu Rev Immunol Ano de publicação: 2016 Tipo de documento: Article