miR-335靶向Rho相关卷曲螺旋形成蛋白激酶1抑制人骨肉瘤细胞MG-63侵袭转移的实验研究

Q4 Medicine
王勇, 王科峰, 赵伟
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引用次数: 0

摘要

背景与目的:微小RNA(microRNA,miRNA)是一类小分子内源性RNA,主要在转录后水平调节靶基因的表达。microRNA-335(miR-335)作为一种肿瘤抑制因子,参与了多种人类肿瘤的发生、发展过程。本研究旨在探讨miR-335是否靶向抑制Rho相关卷曲螺旋形成蛋白激酶1(Rho associated coiled-coil forming protein kinase,ROCK1)基因的表达,并以此调控人骨肉瘤细胞MG-63侵袭及转移。方法:理论预测并通过荧光素酶基因报告验证miR-335与ROCK1基因的3'-非翻译区(untranslated region,UTR)的特异性结合作用;real-time PCR和蛋白质印迹法(Western blot)分别从基因和蛋白水平检测miR-335对ROCK1表达的负性调控作用;Transwell小室法检测miR-335过表达及下调ROCK1表达后MG-63侵袭及转移能力的变化。结果:Targetscan预测显示,miR-335与ROCK13'-UTR存在结合位点。荧光素酶基因报告实验结果显示,miR-335 mimic和ROCK13'-UTR能够靶向结合;miR-335在MG-63细胞中低表达,ROCK1则呈高表达。Western blot检测结果显示,转染miR-335 mimic或转染ROCK1 siRNA后ROCK1的蛋白表达减少。Transwell小室法检测结果显示,过表达miR-335或下调ROCK1后穿过基膜的细胞数目明显下降。结论:miR-335能特异性结合于ROCK1基因的3'-UTR并下调ROCK1的表达,抑制人骨肉瘤细胞MG-63侵袭转移。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
miR-335靶向Rho相关卷曲螺旋形成蛋白激酶1抑制人骨肉瘤细胞MG-63侵袭转移的实验研究
背景与目的:微小RNA(microRNA,miRNA)是一类小分子内源性RNA,主要在转录后水平调节靶基因的表达。microRNA-335(miR-335)作为一种肿瘤抑制因子,参与了多种人类肿瘤的发生、发展过程。本研究旨在探讨miR-335是否靶向抑制Rho相关卷曲螺旋形成蛋白激酶1(Rho associated coiled-coil forming protein kinase,ROCK1)基因的表达,并以此调控人骨肉瘤细胞MG-63侵袭及转移。方法:理论预测并通过荧光素酶基因报告验证miR-335与ROCK1基因的3'-非翻译区(untranslated region,UTR)的特异性结合作用;real-time PCR和蛋白质印迹法(Western blot)分别从基因和蛋白水平检测miR-335对ROCK1表达的负性调控作用;Transwell小室法检测miR-335过表达及下调ROCK1表达后MG-63侵袭及转移能力的变化。结果:Targetscan预测显示,miR-335与ROCK13'-UTR存在结合位点。荧光素酶基因报告实验结果显示,miR-335 mimic和ROCK13'-UTR能够靶向结合;miR-335在MG-63细胞中低表达,ROCK1则呈高表达。Western blot检测结果显示,转染miR-335 mimic或转染ROCK1 siRNA后ROCK1的蛋白表达减少。Transwell小室法检测结果显示,过表达miR-335或下调ROCK1后穿过基膜的细胞数目明显下降。结论:miR-335能特异性结合于ROCK1基因的3'-UTR并下调ROCK1的表达,抑制人骨肉瘤细胞MG-63侵袭转移。
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来源期刊
中国癌症杂志
中国癌症杂志 Medicine-Oncology
CiteScore
0.50
自引率
0.00%
发文量
5398
期刊介绍: The journal of China Oncology (ISSN 1007-3639, CN 31-1727/R) started in 1991, is a peer-reviewed monthly publication, integrating scientific information from global sources for all oncologic specialties. It is an open access monthly published journal in Chinese and English. The competent authorities of China Oncology is the Ministry of Education of the People’s Republic of China. China Oncology is hosted by one of the most prestigious comprehensive cancer centers, the Fudan University Shanghai Cancer Center. Database Index At present, China Oncology is indexed in the following most powerful database: SCOPUS, DOAJ, Chemical Abstracts (CAS), EMBASE, EBSCO, Japan Science and Technology Database (JST), Index of Copernicus International (ICI) and Western Pacific Region Index Medicus (WPRIM), Ulrich's Periodical Directory, Chinese Science Citation Database (CSCD), A Guide to the Core Journal of China, Chinese Scientific and Technical Papers and Citations Database (CSTPCD), Chinese Academic Journal Comprehensive Evaluation Database (CAJCED), Chinese Medical Current Content (CMCC), Chinese Medical Citation Index (CMCI),Chinese Biological Abstracts (CBA), GoOA,COAJ, Level A of Fudan University degree and Graduate Education Domestic Journals Guideline, Research Center for Chinese Science Evaluation (RCCSE), World Journal Clout Index (WJCI) Report of Scientific and Technological Periodicals (2023). Besides, China Oncology continuously acquired Certificate of Outstanding S&T Journals of China (F5000) since 2017.
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