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题目:: miR-937 contributes to the lung cancer cell proliferation by targeting INPP4B.
作者:: Zhang(Li),Zeng(Daxiong),Chen(Ying),Li(Ning),Lv(Yantian),Li(Yong),Xu(Xiao),Xu(Guopeng)
状态:: 发布时间2016-06-09 , 更新时间 2016-06-09
期刊:: Life Sci
摘要:: Lung cancer is the leading cause of cancer death worldwide, microRNAs play critical role in the initiation and development of lung cancer. Here, we used MTT assay, colony formation assay, soft agar growth assay and BrdU incorporation assay to investigate miR-937's role in lung cancer. We found that miR-937 was upregulated in lung cancer tissues and cells. Overexpression of miR-937 in A549 promoted anchorage -dependent and -independent growth, whereas knockdown of miR-937 reduced this effect. Meanwhile, we also found miR-937 overexpression increased CCND1 and c-Myc levels in both mRNA and protein levels, knockdown of miR-937 reduced this effect, confirming miR-937 promoted cell proliferation. Mechanism analyses found polyphosphate 4-phosphatase type II (INPP4B) was the target of miR-937, miR-937 directly bound to the 3'UTR of INPP4B, knockdown of INPP4B in A549 with miR-937 inhibitor promoted anchorage -dependent and -independent growth, suggesting miR-937 contributed to cell proliferation of lung cancer by inhibiting INPP4B, it might be a valuable target for lung cancer therapy.
语言:: eng
DOI:: 10.1016/j.lfs.2016.05.014

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