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JOURNAL ARTICLE

Atorvastatin induces autophagy in MDA-MB-231 breast cancer cells

Ming-Bai Hu, Jing-Wei Zhang, Jing-Bo Gao, Yu-Wen Qi, Yang Gao, Liu Xu, Yanbing Ma, Zheng-Zhuan Wei
Ultrastructural Pathology 2018, 42 (5): 409-415
30300062
This article explores the effects of atorvastatin on cultured breast cancer cells. Our experiment demonstrated that atorvastatin triggered autophagy and inhibited proliferation in breast cancer cells. A CCK8 assay indicated that atorvastatin can inhibit the activity of MDA-MB-231 breast cancer cells. Western blotting results showed that atorvastatin increased the conversion of light chain 3 (LC3)-I to LC3-phosphatidylethanolamine conjugate (LC3-II). Confocal microscopy was used to reveal the appearance of a punctate structure in the cytoplasm, and electron microscopy was used to reveal the formation of double-membrane autophagosome. In conclusion, our study showed that atorvastatin may affect MDA-MB-231 breast cancer cells by inducing autophagy.

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