期刊
BIOCHEMISTRY AND CELL BIOLOGY
卷 91, 期 4, 页码 221-229出版社
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/bcb-2012-0077
关键词
wogonin; 5-fluorouracil; synergistic effect; COX-2; PI3K/Akt
资金
- Project Program of State Key Laboratory of Natural Medicines, China Pharmaceutical University [JKGZ201101]
- Natural Science Foundation of China [30973556, 91029744, 81173086]
- Fundamental Research Funds for the Central Universities [JKP2011003]
- National Science & Technology Major Project [2012ZX09304-001]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT-IRT1193]
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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