Article Publish Status: FREE
Abstract Title:

miR-429 mediatesδ-tocotrienol-induced apoptosis in triple-negative breast cancer cells by targeting XIAP.

Abstract Source:

Int J Clin Exp Med. 2015 ;8(9):15648-56. Epub 2015 Sep 15. PMID: 26629059

Abstract Author(s):

Chen Wang, Hong Ju, Chunyan Shen, Zhongsheng Tong

Article Affiliation:

Chen Wang


Vitamin Eδ-tocotrienol has been reported to possess anticancer activity both in vitro and in vivo. However, the underlying molecular mechanisms of δ-tocotrienol induced apoptosis in triple-negative breast cancer are not fully understood. Here, we reported that microRNA-429 (miR-429) is up-regulated in twoTNBC cell lines (MDA-MB-231 and MDA-MB-468), treated with δ-tocotrienol. Inhibition of miR-429 may partially rescue the apoptosis induced by δ-tocotrienol in MDA-MB-231 cells. We also showed that the forced expression of miR-429 was sufficient to lead to apoptosis in MDA-MB-231 cells. Furthermore,we identified X-linked inhibitor of apoptosis protein (XIAP) as one of miR-429's target genes. These results suggest that the activation of miR-429 by δ-tocotrienol may be an effective approach for the prevention and treatment of triple-negative breast cancer.

Study Type : In Vitro Study

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