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Article Publish Status: FREE
Abstract Title:

Gallic Acid Suppressed Tumorigenesis by an LncRNA MALAT1-Wnt/β-Catenin Axis in Hepatocellular Carcinoma.

Abstract Source:

Front Pharmacol. 2021 ;12:708967. Epub 2021 Oct 6. PMID: 34690755

Abstract Author(s):

Chuan-Jian Shi, Yan-Biao Zheng, Fei-Fei Pan, Feng-Wei Zhang, Peng Zhuang, Wei-Ming Fu

Article Affiliation:

Chuan-Jian Shi

Abstract:

Gallic acid (3,4,5-trihydroxybenzoic acid; GA), a natural phenolic acid, is abundantly found in numerous natural products. Increasing evidence have demonstrated that GA plays anti-cancer roles in multiple cancers. However, its anti-tumor effects on hepatocellular carcinoma (HCC) and the underlying mechanism remain obscure. In the present study, we found that GA suppressed thecell viability and metastasis and inhibited thetumor growth of HCC cells. The underlying mechanism was further to investigate and it was showed that GA suppressed the expression ofβ-catenin and led to the functional inactivation of Wnt/β-catenin signaling. As a kind of significant regulators, the long noncoding RNA molecules (lncRNAs) have attracted widespread attentions for their critical roles in diverse biological process and human diseases. To further identify which lncRNA participated this GA-mediated process, several lncRNAs related to Wnt/β-catenin signaling were chosen for examination of their expression profiling in the GA-treated HCC cells. Of which, Metastasis-Associated Lung Adenocarcinoma Transcript 1 (MALAT1) was the most promising candidate. And moreover, MALAT1 was significantly down-regulated by GA. Its overexpression partially reversed the GA-induced the inhibitory effects on cell proliferation and metastasis; and successfully abolished the suppressive effect of GA on Wnt/β-catenin signaling. In conclusion, our results indicated that GA suppressed tumorigenesisandby the MALAT1-Wnt/β-catenin signaling axis, suggesting that GA has great potential to be developed as a chemo-prevention and chemotherapy agent for HCC patients.

Study Type : Animal Study, In Vitro Study

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