Abstract Title:

Metformin incombination with curcumin inhibits the growth?metastasis and angiogenesis of hepatocellular carcinoma in vitro and in vivo.

Abstract Source:

Mol Carcinog. 2017 Aug 19. Epub 2017 Aug 19. PMID: 28833603

Abstract Author(s):

Hui-Hui Zhang, Ying Zhang, Yan-Na Cheng, Fu-Lian Gong, Zhan-Qi Cao, Lu-Gang Yu, Xiu-Li Guo

Article Affiliation:

Hui-Hui Zhang


Hepatocellular carcinoma (HCC) has poor prognosis due to the advanced disease stages by the time it is diagnosed, high recurrence rates and metastasis. In the present study, we investigated the effects of metformin (a safe anti-diabetic drug) and curcumin (a turmeric polyphenol extracted from rhizome of Curcuma longa Linn.) on proliferation, apoptosis, invasion, metastasis and angiogenesis of HCC in vitro and in vivo. It was found that co-treatment of metformin and curcumin could not only induce tumor cells into apoptosis through activating the mitochondria pathways, but also suppress the invasion, metastasis of HCC cells and angiogenesis of HUVECs. These effects were associated with downregulation of the expression of MMP2/9, VEGF and VEGFR-2, up-regulation of PTEN, P53 and suppression of PI3K/Akt/mTOR/NF-κB and EGFR/STAT3 signaling. Co-administration of metformin and curcumin significantly inhibited HCC tumor growth than administration with metformin or curcumin alone in a xenograft mouse model. Thus, metformin and curcumin in combination showed a better anti-tumor effects in hepatoma cells than either metformin or curcumin presence alone and might represent an effective therapeutic strategy for HCC treatment. This article is protected by copyright. All rights reserved.

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