MicroRNA-27a functions as an oncogene in gastric adenocarcinoma by targeting prohibitin

被引:306
作者
Liu, Tao [1 ]
Tang, Hua [1 ]
Lang, Yuanyuan [1 ]
Liu, Min [1 ]
Li, Xin [1 ]
机构
[1] Tianjin Med Univ, Tianjin Life Sci Res Ctr, Tianjin 300070, Peoples R China
关键词
MicroRNA-27a; Oncogene; Prohibitin; Gastric adenocarcinoma; HUMAN BREAST-CANCER; EXPRESSION PATTERNS; GENES; PROTEIN; CELLS; IDENTIFICATION; DEREGULATION; SPECIFICITY; MICROARRAY; PROFILES;
D O I
10.1016/j.canlet.2008.08.003
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
MicroRNAs (miRNAs) may function as oncogenes or tumor suppressors. Here, we show that miR-27a is up-regulated in human gastric adenocarcinoma. Suppression of miR-27a inhibits gastric cancer cell growth. Subsequently, prohibitin is identified as a potential miR-27a target, combining bioinformatics and microarray analysis. EGFP report experiment also confirms that the 3' untranslated region (3'UTR) of prohibitin carries the directly binding site of miR-27a. After knockdown of miR-27a in gastric cancer cells, mRNA level and protein level of prohibitin are both elevated. Down-regulation of prohibitin by miR-27a may explain why suppression of miR-27a can inhibit gastric cancer cell growth, further supporting that miR-27a functions as an oncogene. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:233 / 242
页数:10
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