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ACS Applied Electronic Materials

ACS Applied Electronic Materials

IF: 4.29
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Dihydromyricetin inhibits cell proliferation, migration, invasion and promotes apoptosis via regulating miR-21 in Human Cholangiocarcinoma Cells.

Published:29 July 2020 DOI: 10.7150/jca.45970 PMID: 32913463
Lei Chen, Zhou-Sheng Yang, Yang-Zhao Zhou, Yang Deng, Pei Jiang, Sheng-Lan Tan

Abstract

Dihydromyricetin, the most abundant natural flavonoid isolated from Ampelopsis grossedentata, exhibits broad anti-tumor effects. However, the effects of dihydromyricetin on cholangiocarcinoma remain unclear. This study examined the anti-tumor effects of dihydromyricetin in two human cholangiocarcinoma cell lines HCCC9810 and TFK-1, and the underlying mechanism was also investigated. Our study was the first to show that dihydromyricetin significantly inhibited cell proliferation, migration, invasion and promoted apoptosis in cholangiocarcinoma cells. By analyzing the TCGA dataset, we found that expression of miR-21, an oncogene and a potential target of anticancer drugs for cholangiocarcinoma, was upregulated in cholangiocarcinoma tissues compared to paired control tissues. Moreover, dihydromyricetin significantly reduced the expression of miR-21 in a dose-dependent manner. Overexpression of miR-21 remarkably abolished the inhibitory effects of dihydromyricetin on cell proliferation, migration, invasion and abrogated its effect of promoting cell apoptosis in both HCCC9810 and TFK-1 cells. Dihydromyricetin remarkably increased the expression of PTEN and decreased the expression of phosphorylated Akt, while overexpression of miR-21 abrogated the modulation of PTEN/ Akt pathway by dihydromyricetin. Taken together, our study demonstrates that dihydromyricetin inhibits cell proliferation, migration, invasion and promotes apoptosis in cholangiocarcinoma cells via regulating miR-21.

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Procduct Name CAS Molecular Formula Supplier Price
Dihydromyricetin 27200-12-0 C15H12O8 451 suppliers $5.00-$675.00
PTEN 37 suppliers Inquiry
AKT3 (AB-1) POLYCLONAL ANTIBODY 13 suppliers $282.00-$729.00
miR-21 5 suppliers Inquiry

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