Abstract Title:

Enhanced 5-fluorouracil cytotoxicity in high COX-2 expressing hepatocellular carcinoma cells by wogonin via the PI3K/Akt pathway.

Abstract Source:

Biochem Cell Biol. 2013 Aug ;91(4):221-9. Epub 2013 Feb 14. PMID: 23859016

Abstract Author(s):

Li Zhao, Yun-Ying Sha, Qing Zhao, Jing Yao, Bin-Bin Zhu, Zhi-Jian Lu, Qi-Dong You, Qing-Long Guo

Article Affiliation:

Li Zhao


Combination therapies may increase the antitumor effects and reduce the adverse effects for the treatment of hepatocellular carcinoma. In this study, we determined the effects of 5-fluorouracil alone or in combination with wogonin in vitro and in vivo, and we investigated the possible mechanisms. The combination of these 2 drugs led to a decrease in survival and a significant synergistic inhibitory effect on high COX-2 expression in SMMC-7721 hepatocellular carcinoma (HCC) cells. Furthermore, the results show that this combination inhibits COX-2 expression and increases sensitivity to chemotherapeutic agents partly through regulating the PI3K/Akt signaling pathway. Moreover, the combination treatment caused a significant growth inhibition of human tumor xenografts in vivo. In conclusion, wogonin may increase the cytotoxicity of some antineoplastic agents and it can be used in combination with these agents as a novel therapeutic regimen for HCC treatment.

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