Role of oleanolic acid in relieving psoriasis and its underlying mechanism of action

Abstract

Reagents and antibodies. Ole (cat. no. O5504; mass fraction, ≥ 97%), DMSO (cat. no. V900090) and MTT reagent (cat. no. V900888) were purchased from Sigma-Aldrich (Merck KGaA); the HaCaT cell line was purchased from the American Type Culture Collection; EDTA-free pancreatin, DMEM and FBS were purchased from Gibco (Thermo Fisher Scientific, Inc.