Withaferin A (WA) inhibited T-cell and B-cell mediated immune responses.
WA increased basal ROS levels in lymphocytes.
WA directly interacted with GSH as studied using spectrophotometry and HPLC.
WA inhibited NF-κB nuclear translocation and binding of nuclear NF-κB to DNA.
WA inhibited induction of the graft-versus-host disease in mice.