2.1. Materials

SW982 cells were bought from the Shanghai Cell Library of Chinese Academy of Sciences. Glycyrrhetinic acid was purchased from ALADDIN Co. Ltd (Shanghai, China). IL-1β, DMEM medium, MTT were purchased from Sigma-AldrichCo. Ltd (St. Louis, MO, USA). All antibodies purchased from Cell Signaling Technology Co. Ltd (Danvers, MA, USA).Enzyme-linked immunosorbent assay (ELISA) kits for IL-6, IL-8 and MMP-1 were purchased from Shanghai Biovol Technologies Company (Shanghai, China).