miR-25 targets the modulator of apoptosis 1 gene in lung cancer

To determine the role of miR-25 in non-small cell lung cancer (NSCLC), we first detected miR-25 expression in clinical specimens and lung cancer cell lines by quantitative real-time polymerase chain reaction. The levels of miR-25 were elevated in the plasma of NSCLC patients and NSCLC cell lines. Tr...

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Veröffentlicht in:Carcinogenesis (New York) 2015-08, Vol.36 (8), p.925-935
Hauptverfasser: Wu, Tangwei, Chen, Weiqun, Kong, Deyong, Li, Xiaoyi, Lu, Hongda, Liu, Shuiyi, Wang, Jing, Du, Lili, Kong, Qingzhi, Huang, Xiaodong, Lu, Zhongxin
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container_end_page 935
container_issue 8
container_start_page 925
container_title Carcinogenesis (New York)
container_volume 36
creator Wu, Tangwei
Chen, Weiqun
Kong, Deyong
Li, Xiaoyi
Lu, Hongda
Liu, Shuiyi
Wang, Jing
Du, Lili
Kong, Qingzhi
Huang, Xiaodong
Lu, Zhongxin
description To determine the role of miR-25 in non-small cell lung cancer (NSCLC), we first detected miR-25 expression in clinical specimens and lung cancer cell lines by quantitative real-time polymerase chain reaction. The levels of miR-25 were elevated in the plasma of NSCLC patients and NSCLC cell lines. Transfection of A549 and 95-D cells with a miR-25 inhibitor resulted in reduced cell proliferation and enhanced apoptosis. Moreover, the modulator of apoptosis 1 (MOAP1) gene was identified as a novel target of miR-25. The ability of miR-25 to promote cell proliferation and block apoptosis is attributable to its effect on MOAP1 suppression. In addition, miR-25 antagomir significantly inhibited lung cancer growth via upregulation of MOAP1 in a mouse xenograft model. Collectively, these data demonstrate that miR-25 is an important biomarker for lung cancer, and miR-25 promotes cell proliferation and inhibits apoptosis in NSCLC cells by negatively regulating MOAP1 expression.
doi_str_mv 10.1093/carcin/bgv068
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection
subjects Adaptor Proteins, Signal Transducing - genetics
Aged
Animals
Apoptosis - genetics
Apoptosis Regulatory Proteins - genetics
Carcinoma, Non-Small-Cell Lung - genetics
Carcinoma, Non-Small-Cell Lung - pathology
Case-Control Studies
Cell Line, Tumor
Cell Proliferation - genetics
Female
Gene Expression Regulation, Neoplastic
Humans
Lung Neoplasms - genetics
Lung Neoplasms - pathology
Male
Mice, Inbred BALB C
MicroRNAs - blood
MicroRNAs - genetics
Middle Aged
Xenograft Model Antitumor Assays
title miR-25 targets the modulator of apoptosis 1 gene in lung cancer
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