Reagents and cell lines
Ginkgolide C (GGC) was purchased from Weikeqi Biological Technology (Chengdu, Sichuan. China). 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and bovine serum albumin (BSA) were purchased from Sigma-Aldrich (St. Louis, MO). Human lung carcinoma cells (A549 and H1299 cells) were obtained from the American Type Culture Collection (Manassas, VA, USA). A549 cells were grown in DMEM low glucose. H1299 cells was cultured in RPMI 1640 medium and maintained at 37℃ under 5% CO2atmosphere.