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Science. 2010 Feb 26;327(5969):1098-102. doi: 10.1126/science.1178334.

Mechanisms underlying lineage commitment and plasticity of helper CD4+ T cells.

Author information

  • 1Molecular Immunology and Inflammation Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892-1616, USA. osheajo@mail.nih.gov

Abstract

CD4+ T cells are critical for host defense but are also major drivers of immune-mediated disease. These T cells specialize to become distinct subsets and produce restricted patterns of cytokines, which are tailored to combat various microbial pathogens. Although classically viewed as distinct lineages, recent work calls into question whether helper CD4+ T cell subsets are more appropriately viewed as terminally differentiated cells or works in progress. Herein, we review recent advances that pertain to this topic and the mechanisms that contribute to helper CD4+ T cell commitment and plasticity. The therapeutic implications of these new findings are also considered.

PMID:
20185720
[PubMed - indexed for MEDLINE]
PMCID:
PMC2997673
Free PMC Article
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