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자료유형
학술저널
저자정보
Liping Xie (Zhejiang University) Zhen Liang (Zhejiang University) Shiqi Li (Zhejiang University) Xin Xu (Zhejiang University) Xianglai Xu (Zhejiang University) Xiao Wang (Zhejiang University) Jian Wu (Zhejiang University) Yi Zhu (Zhejiang University) Zhenghui Hu (Zhejiang University) Yiwei Lin (Zhejiang University) Yeqing Mao (Zhejiang University) Hong Chen (Zhejiang University) Jindan Luo (Zhejiang University) Ben Liu (Zhejiang University) Xiangyi Zheng (Zhejiang University)
저널정보
한국분자세포생물학회 Molecules and Cells Molecules and Cells 제38권 제2호
발행연도
2015.2
수록면
130 - 137 (8page)
DOI
10.14348/molcells.2015.2146

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MicroRNAs (miRNAs) are small, endogenous RNAs that play important gene-regulatory roles by binding to the imperfectly complementary sequences at the 3 -UTR of mRNAs and directing their gene expression. Here, we first discovered that miR-576-3p was down-regulated in human bladder cancer cell lines compared with the non-malignant cell line. To better characterize the role of miR-576-3p in bladder cancer cells, we over-expressed or down-regulated miR-576-3p in bladder cancer cells by transfecting with chemically synthesized mimic or inhibitor. The overexpression of miR-576-3p remarkably inhibited cell proliferation via G1-phase arrest, and decreased both mRNA and protein levels of cyclin D1 which played a key role in G1/S phase transition. The knock-down of miR-576-3p significantly promoted the proliferation of bladder cancer cells by accelerating the progression of cell cycle and increased the expression of cyclin D1. Moreover, the dual-luciferase reporter assays indicated that miR-576-3p could directly target cyclin D1 through binding its 3 -UTR. All the results demonstrated that miR-576-3p might be a novel suppressor of bladder cancer cell proliferation through targeting cyclin D1.

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