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Trends Immunol. 2014 Sep;35(9):436-42. doi: 10.1016/j.it.2014.06.002. Epub 2014 Jul 3.

Phenotype and functions of memory Tfh cells in human blood.

Author information

1
Baylor Institute for Immunology Research, Baylor Research Institute, 3434 Live Oak, Dallas, TX, 75204, USA.
2
Baylor Institute for Immunology Research, Baylor Research Institute, 3434 Live Oak, Dallas, TX, 75204, USA; Institute of Biomedical Studies, Baylor University, Waco, TX, 76798, USA.
3
Baylor Institute for Immunology Research, Baylor Research Institute, 3434 Live Oak, Dallas, TX, 75204, USA. Electronic address: hidekiu@baylorhealth.edu.

Abstract

Our understanding of the origin and functions of human blood CXCR5(+) CD4(+) T cells found in human blood has changed dramatically in the past years. These cells are currently considered to represent a circulating memory compartment of T follicular helper (Tfh) lineage cells. Recent studies have shown that blood memory Tfh cells are composed of phenotypically and functionally distinct subsets. Here, we review the current understanding of human blood memory Tfh cells and the subsets within this compartment. We present a strategy to define these subsets based on cell surface profiles. Finally, we discuss how increased understanding of the biology of blood memory Tfh cells may contribute insight into the pathogenesis of autoimmune diseases and the mode of action of vaccines.

KEYWORDS:

T follicular helper cells; human blood; subsets

PMID:
24998903
PMCID:
PMC4152409
DOI:
10.1016/j.it.2014.06.002
[Indexed for MEDLINE]
Free PMC Article

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