MicroRNA Profiling of Transgenic Mice with Myocardial Overexpression of Nucleolin
MicroRNA Profiling of Transgenic Mice with Myocardial Overexpression of Nucleolin作者机构：Department of Pathophysiology Xiangya School of Basic Medical Sciences Central South University Changsha Hunan 410078 China Department of Rheumatology Xiangya Hospital Central South University Changsha Hunan 410008 China Department of Pathology The Second Xiangya Hospital Central South University Changsha Hunan 410000 China
出 版 物：《Chinese Medical Journal》 (中华医学杂志（英文版）)
年 卷 期：2018年第131卷第3期
页 面：339-346页
核心收录：
学科分类：0710[理学-生物学] 071010[理学-生物化学与分子生物学] 081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 09[农学] 071007[理学-遗传学] 0901[农学-作物学] 0836[工学-生物工程] 090102[农学-作物遗传育种]
基 金：国家自然科学基金 the Ministry of Education of China for Doctoral Program the Education Ministry's New Century Excellent Talents Supporting Plan the Hunan Provincial Natural Sciences Foundation of China
主 题：MicroRNA microarray Myocardium Nucleolin Transgenic mice
摘 要：Background：Nucleolin （NCL） is the most abundant RNA-binding protein in the cell nucleolus and plays an important role in chromatin stability,ribosome assembly,ribosomal RNA maturation,ribosomal DNA transcription,nucleocytoplasmic transport,and regulation of RNA stability and translation *** addition to its anti-apoptotic properties,the underlying mechanisms associated with NCL-related roles in different cellular processes remain *** this study,the effect of NCL on microRNA （miRNA） expression was evaluated by generating transgenic mice with myocardial overexpression of NCL and by analyzing microarrays of mature and precursor miRNAs from ***：Using microinjection ofalpha-MyHc clone 26-NCL plasmids,we generated transgenic mice with myocardial overexpression of NCL firstly,and then mature and precursor miRNAs expression profiles were analyzed in NCL transgenic mice （n =3） and wild-type （WT） mice （n =3） by miRNA *** Package for the Social Sciences version 16.0 software （SPSS,Inc.,Chicago,IL,USA） was used to perform Student＇s t-test,and statistical significance was determined at P 〈 ***：Several miRNAs were found to be differentially expressed,of which 11 were upregulated and 4 were downregulated in transgenic mice with myocardial overexpression of NCL compared to those in WT *** differentially expressed miRNAs were subsequently confirmed and quantified by real-time quantitative reverse transcription-polymerase chain *** analysis was used for the prediction of miRNA ***,in vitro experiments showed that NCL regulated miR-21 expression following hydrogen peroxide ***：Myocardial-protection mechanisms exerted by NCL might be mediated by the miRNAs identified in this study.
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