Helen M McGuire et al.
Journal of immunology (Baltimore, Md. : 1950), 195(11), 5123-5135 (2015-10-23)
The selection of affinity-matured Ab-producing B cells is supported by interactions with T follicular helper (Tfh) cells. In addition to cell surface-expressed molecules, cytokines produced by Tfh cells, such as IL-21 and IL-4, provide B cell helper signals. In this