• Lichun Zhao, Peiliang Yu, Tao Yang, Gailian Zhou, and Nong Tang.
• College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China.
• J Coll Physicians Surg Pak. 2019 Jun 1; 29 (6): 532-536.

ObjectiveTo investigate inhibitory effect of semen litchi drug serum on proliferation of human hepatoma HepG2 cells and its effect on the expression of vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9).Study DesignAn experimental study.Place And Duration Of StudyCollege of Pharmacy, Guangxi University of Chinese Medicine, China, from June 2017 to January 2018.MethodologySemen litchi drug serum with concentrations of 0 mg/kg (control group), 3 g/kg (low dose group), 6 g/kg (medium dose group) and 12 g/kg (high dose group) was used to act on HepG2 cells at the logarithmic phase. Inhibitory effect of semen litchi drug serum on cell growth, expression of VEGF and MMP-9 mRNA and protein was detected.ResultsInhibitory effect of semen litchi drug serum on the proliferation of HepG2 cells significantly increased with the increase of drug concentration, which was dose-time dependent. Expression levels of VEGF and MMP-9 mRNA in HepG2 cells after 48 hours of treatment by semen litchi low-dose group, medium-dose group, and high-dose group were lower than those in control group (all p <0.001). After acting on HepG2 cells for 48 hours, relative expressions of VEGF and MMP-9 protein in semen litchi low-dose group, medium-dose group, and high-dose group were lower than those in control group (all p<0.001).ConclusionSemen litchi drug serum can inhibit proliferation of hepatoma cells in vitro. The anti-hepatoma effect of semen litchi drug serum may be exerted through down-regulating the expression of VEGF and MMP-9 and inhibiting angiogenesis of hepatocellular carcinoma.

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