Fig. 2From: Increased circulating follicular helper T cells with decreased programmed death-1 in chronic renal allograft rejectionComparative changes in PD-1, CXCR5 and ICOS expression on Tfh-cell surfaces. a,PD-1. b, CXCR5. c, ICOS. * P < 0.05. Note a significant decrease in PD-1 expression with no appreciable changes in CXCR5 and ICOS expression in the CR patients as compared to the NC groupBack to article page