Keywords: DILI; drug-induced liver injury; IL-17; interleukin-17; Th17 cells; T helper 17 cells; TP; triptolide; TWHF; Tripterygium wilfordii Hook F; Treg; regulatory T cells; T-bet; T-box expressed in T cells; GATA-3; GATA-binding domain-3; FoxP3; Forkhead box P3;