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Identification and characterization of latency-associated peptide-expressing γδ T cells.

ABSTRACT: γδ T cells are a subset of lymphocytes specialized in protecting the host against pathogens and tumours. Here we describe a subset of regulatory γδ T cells that express the latency-associated peptide (LAP), a membrane-bound TGF-β1. Thymic CD27+IFN-γ+CCR9+α4β7+TCRγδ+ cells migrate to the periphery, particularly to Peyer's patches and small intestine lamina propria, where they upregulate LAP, downregulate IFN-γ via ATF-3 expression and acquire a regulatory phenotype. TCRγδ+LAP+ cells express antigen presentation molecules and function as antigen presenting cells that induce CD4+Foxp3+ regulatory T cells, although TCRγδ+LAP+ cells do not themselves express Foxp3. Identification of TCRγδ+LAP+ regulatory cells provides an avenue for understanding immune regulation and biologic processes linked to intestinal function and disease.

SUBMITTER: Rezende RM

PROVIDER: S-EPMC4686827 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Identification and characterization of latency-associated peptide-expressing γδ T cells.

Rezende Rafael M RM da Cunha Andre P AP Kuhn Chantal C Rubino Stephen S M'Hamdi Hanane H Gabriely Galina G Vandeventer Tyler T Liu Shirong S Cialic Ron R Pinheiro-Rosa Natalia N Oliveira Rafael P RP Gaublomme Jellert T JT Obholzer Nikolaus N Kozubek James J Pochet Nathalie N Faria Ana M C AMC Weiner Howard L HL

Nature communications 20151208

γδ T cells are a subset of lymphocytes specialized in protecting the host against pathogens and tumours. Here we describe a subset of regulatory γδ T cells that express the latency-associated peptide (LAP), a membrane-bound TGF-β1. Thymic CD27+IFN-γ+CCR9+α4β7+TCRγδ+ cells migrate to the periphery, particularly to Peyer's patches and small intestine lamina propria, where they upregulate LAP, downregulate IFN-γ via ATF-3 expression and acquire a regulatory phenotype. TCRγδ+LAP+ cells express antig ...[more]

PMID: 26644347

Dataset Information

Identification and characterization of latency-associated peptide-expressing γδ T cells.

Publications

Identification and characterization of latency-associated peptide-expressing γδ T cells.

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