Fig. 1From: Celastrus orbiculatus extracts induce apoptosis in mTOR-overexpressed human hepatocellular carcinoma HepG2 cellsGeneration of the HepG2/mTOR+ cells. a Construction of the GV238-mTOR recombinant plasmid. b cell morphology under a microscope (100×). c and d the expression levels of mTOR in the HepG2/mTOR+ cells. (**P < 0.01, versus vehicle; ***P < 0.001, versus wild type)Back to article page