Circulating precursor CCR7loPD-1hi CXCR5+ CD4+ T cells indicate Tfh cell activity and promote antibody responses upon antigen reexposure
He, Jing; Tsai, Louis M; Leong, Yew Ann; Hu, Xin; Ma, Cindy; Chevalier, Nina; Sun, Xiaolin; Vandenberg, Kirsten; Rockman, Steve; Ding, Yan; Zhu, Lei; Wei, Wei; Wang, Changqi; Karnowski, Alexander; Belz, Gabrielle T; Joanna R, Ghali; Cook, Matthew C; Riminton, D Sean; Veillette, Andre´; Schwartzberg, Pamela L; Mackay, Fabienne; Brink, Robert; Tangye, Stuart G; Vinuesa, Carola; Mackay, Charles R; Li, Zhanguo; Yu, Di
Follicular B helper T (Tfh) cells support high affinity and long-term antibody responses. Here we found that within circulating CXCR5+ CD4+ T cells in humans and mice, the CCR7loPD-1hi subset has a partial Tfh effector phenotype, whereas CCR7hiPD-1lo cells have a resting phenotype. The circulating CCR7loPD-1hi subset was indicative of active Tfh differentiation in lymphoid organs and correlated with clinical indices in autoimmune diseases. Thus the CCR7loPD-1hi subset provides a biomarker to...[Show more]
|Collections||ANU Research Publications|
|Source:||Immunity 39.4 (2013): 770–781|
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