Article
IL-4-secreting secondary T follicular helper (Tfh) cells arise from memory T cells, not persisting Tfh cells, through a B cell-dependent mechanism.
Journal of immunology (Baltimore, Md. : 1950) - 1 Apr 2015
Fairfax Keke C, Everts Bart, Amiel Eyal, Smith Amber M, Schramm Gabriele, Haas Helmut, Randolph Gwendalyn J, Taylor Justin J, Pearce Edward J
Abstract excerpt
Humoral immunity requires cross-talk between T follicular helper (Tfh) cells and B cells. Nevertheless, a detailed understanding of this intercellular interaction during secondary immune responses is lacking. We examined this by focusing on the response to a soluble, unadjuvanted, pathogen-derived Ag (soluble extract of Schistosoma mansoni egg [SEA]) that induces type 2 immunity. We found that activated Tfh cells...
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