alexa microRNA-145 suppresses lung adenocarcinoma-initiating cell proliferation by targeting OCT4.
Biomedical Sciences

Biomedical Sciences

Biology and Medicine

Author(s): Yin R, Zhang S, Wu Y, Fan X, Jiang F,

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Abstract Recent studies demonstrated that microRNA-145 is downregulated in human cancer cells and may function as a tumor suppressor. However, its role in lung cancer tumorigenesis remains unclear. Here, we demonstrated that upregulation of miR-145 reduced the proliferation and invasion as well as the ratio of CD133-positive initiating cells and the tumorosphere growth capacity of the human lung adenocarcinoma A549 cell line. The direct targeting of miR-145 to OCT4 mRNA was predicted by bioinformatic analysis and validated by a luciferase reporter system. We, therefore, confirmed that miR-145 can impair the proliferation of human lung adenocarcinoma-initiating cells by targeting OCT4 and leads to inhibition of lung cancer development. This article was published in Oncol Rep and referenced in Biology and Medicine

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