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HDAC inhibitor suppresses proliferation and invasion of breast cancer cells through regulation of miR-200c targeting CRKL.

HDAC inhibitor suppresses proliferation and invasion of breast cancer cells through regulation of miR-200c targeting CRKL.
Author Information (click to view)

Bian X, Liang Z, Feng A, Salgado E, Shim H,


Bian X, Liang Z, Feng A, Salgado E, Shim H, (click to view)

Bian X, Liang Z, Feng A, Salgado E, Shim H,

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Biochemical pharmacology 2017 12 01147() 30-37 pii 10.1016/j.bcp.2017.11.008

Abstract

Although histone deacetylase (HDAC) inhibitors have been shown to effectively induce the inhibition of proliferation and migration in breast cancer, the anticancer mechanism remains poorly understood. Our studies show that miR-200c was significantly downregulated in breast cancer cell lines compared to normal cell lines and inversely correlated with the levels of class IIa HDACs and CRKL. HDAC inhibitors and the ectopic expression of miR-200c as tumor suppressors inhibited the proliferation, invasion, and migration of breast cancer cells by downregulating CRKL. These results indicate that the anticancer mechanism of HDAC inhibitor was realized partially by regulating miR-200c via CRKL targeting. Our findings suggest that the HDAC-miR200c-CRKL signaling axis could be a novel diagnostic marker and potential therapeutic target in breast cancer.

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