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Regulation of T follicular helper cell formation and function by antigen presenting cells


CD4(+) T cells can differentiate into numerous subsets characterized by expression of a suite of cytokines and effector molecules that endow them with specialized functions. By mediating the differentiation of B cells into memory and plasma cells following exposure to T-dependent antigens (Ag), T follicular helper (T(FH)) cells have emerged as the predominant subset of CD4(+) T cells responsible for regulating humoral immunity. The generation of T(FH) cells from naive precursors typically involves sequential cognate interactions with distinct populations of Ag-presenting cells (APCs): dendritic cells within the T-cell zone of lymphoid tissues, and activated B cells at the border of the T-zone and follicle, and then within a germinal center. Recent studies have illuminated the key roles of APCs in T(FH) development, and have also re-defined the role of B cells in this process.

Authors Deenick, E.K.; Ma, C.S.; Brink, R.; Tangye, S.G:
Garvan Authors Prof Stuart Tangye
Published Date 2011-02-10 00:00:00
Published Issue 23
Published Pages 1
Status Published in-print