MiRNA-145 Regulates the Development of Congenital Heart Disease Through Targeting FXN

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• 作者：Lei Wang ; Danqiu Tian ; Jihua Hu ; Haijian Xing ; Min Sun ; Juanli Wang…
• 关键词：Congenital heart disease ; FXN ; MiRNA ; 145
• 刊名：Pediatric Cardiology
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：37
• 期：4
• 页码：629-636
• 全文大小：1,579 KB
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• 作者单位：Lei Wang (1)
  Danqiu Tian (1)
  Jihua Hu (1)
  Haijian Xing (1)
  Min Sun (1)
  Juanli Wang (1)
  Qiang Jian (1)
  Hua Yang (1)
  
  1. Department of Cardiology, Xi’an Children’s Hospital, No. 69, Xiju RD, Lianhu District, Xi’an, 710003, Shaanxi, China
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Cardiology
  Cardiac Surgery
  Vascular Surgery
  
• 出版者：Springer New York
• ISSN：1432-1971

文摘

Congenital heart disease (CHD) is the leading cause of death in infants in the world. The study of CHDs has come a long way since their classification and description. Although transcriptional programmes that are impaired in individuals with CHDs are being identified, the mechanisms of how these deficiencies translate to a structural defect are unknown. In this study, using high-throughput microarray analysis and molecular network analysis, FXN was identified to be the most differentially expressed key gene in CHD. By TargetScan analysis, we predicted FXN was the target gene of miRNA-145 and miRNA-182. Through real-time PCR analysis of clinical samples and experiments in cell lines, we confirmed that miRNA-145 but not miRNA-182 directly binds to the 3′ UTR region of FXN and negatively regulates its expression. We further found that through targeting FXN, miRNA-145 regulates apoptosis and mitochondrial function. In general, our study confirmed the differentially expressed FXN regulates the development of CHD and the differential expression was under the control of miRNA-145. These results might provide new insight into the understanding of the CHD pathogenesis and may facilitate further therapeutic studies.