Exp Mol Med.  2018 Feb;50(2):e447. 10.1038/emm.2017.278.

The long non-coding RNA uc.4 influences cell differentiation through the TGF-beta signaling pathway

Affiliations
  • 1Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China. lmqian@njmu.edu.cn
  • 2Department of Cardiology, YinZhou Hospital Affiliated to Medical School of Ningbo University, Ningbo, China.
  • 3Huai An First People’s Hospital, HuaiAn, China.
  • 4Department of Pharmacy, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing, China. 407457529@qq.com

Abstract

In a previous study, we screened thousands of long non-coding RNAs (lncRNAs) to assess their potential relationship with congenital heart disease (CHD). In this study, uc.4 attracted our attention because of its high level of evolutionary conservation and its antisense orientation to the CASZ1 gene, which is vital for heart development. We explored the function of uc.4 in cells and in zebrafish, and describe a potential mechanism of action. P19 cells were used to investigate the function of uc.4. We studied the effect of uc.4 overexpression on heart development in zebrafish. The overexpression of uc.4 influenced cell differentiation by inhibiting the TGF-beta signaling pathway and suppressed heart development in zebrafish, resulting in cardiac malformation. Taken together, our findings show that uc.4 is involved in heart development, thus providing a potential therapeutic target for CHD.


MeSH Terms

Cell Differentiation*
Heart
Heart Defects, Congenital
RNA, Long Noncoding*
Transforming Growth Factor beta*
Zebrafish
RNA, Long Noncoding
Transforming Growth Factor beta
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