Galangin Inhibits Cholangiocarcinoma Cell Growth and Metastasis through Downregulation of MicroRNA-21 Expression
Galangin Inhibits Cholangiocarcinoma Cell Growth and Metastasis through Downregulation of MicroRNA-21 Expression
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高良姜素通过下调 MicroRNA-21 表达抑制胆管癌细胞生长和转移
DOI:
10.1155/2020/5846938
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发表时间:
2020-06
影响因子:
--
通讯作者:
Tou Fangfang
中科院分区:
文献类型:
--
作者:
Zou Yang;Li Rong;Kuang Dabin;Zuo Meiling;Li Wenqun;Tong Wei;Jiang Li;Zhou Min;Chen Yin;Gong Wencheng;Liu Lijuan;Tou Fangfang
Galangin, a natural flavonoid product derived from the root of galangal, is emerging as a promising anticancer agent against multiple cancers. Yet, whether it also has antitumor effects on cholangiocarcinoma (CCA) and the underlying mechanism is still unknown. Herein, we demonstrate that galangin exhibits multiple antitumor effects on CCA cells including decreases cell viability; inhibits proliferation, migration, and invasion; and induces apoptosis. Moreover, those phenotypic changes are associated with downregulated microRNA-21 (miR-21) expression. To support, overexpression of miR-21 blocks galangin-mediated antisurvival and metastasis effects on CCA cells. Mechanically, galangin increases the expression of phosphatase and tensin homolog (PTEN), a direct target of miR-21, resulting in decreased phosphorylation of AKT, a protein kinase which plays a critical role in controlling survival and apoptosis. In contrast, overexpression of miR-21 abrogates galangin-regulated PTEN expression and AKT phosphorylation. Taken together, these findings indicate that galangin inhibits CCA cell proliferation and metastasis and induces cell apoptosis through a miR-21-dependent manner, and galangin may provide a novel potential therapeutic adjuvant to treat CCA.
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DOI:
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发表时间:
2012-12
期刊:
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影响因子:
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