Journal of International Reproductive Health/Family Planning ›› 2022, Vol. 41 ›› Issue (5): 430-435.doi: 10.12280/gjszjk.20220227

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CircRNA and Pregnancy-Related Diseases

GAO Qian-qian, FENG Xiao-ling()   

  1. Heilongjiang University of Traditional Chinese Medicine, Harbin 150040, China (GAO Qian-qian); Department of Gynecology, The First Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine, Harbin 150036, China (FENG Xiao-ling)
  • Received:2022-04-27 Published:2022-09-15 Online:2022-10-12
  • Contact: FENG Xiao-ling E-mail:doctorfxl@163.com

Abstract:

Circular RNA (circRNA) is composed of the non-coding RNAs generated by a noncanonical splicing event which called reverse splicing. In reverse splicing, the downstream splicing site is covalently connected to the upstream splicing receptor site. CircRNA with stable structure widely exists in various eukaryotic cells and organisms. With the rapid development of molecular biotechnology such as high-throughput sequencing, the biological role of circRNA has been revealed. CircRNA has become a star in the field of biological research. Studies in recent years have found the different expression of circRNA in the placental tissue and maternal plasma of pathological pregnancy. CircRNA influences the occurrence and development of pregnancy diseases by participating in the regulation of trophoblast epithelial stromal transformation, placental microvasculogenesis, glucose and lipid metabolism homeostasis during pregnancy, and by mediating the microenvironment of maternal and fetal interface inflammation. CircRNA also interacts with miRNA and RNA-binding proteins, in which regulates placental autophagy and maternal fat metabolism. This paper aims to introduce circRNA and its research progress in pregnancy-related diseases.

Key words: Circular RNA, Abortion, habitual, Pre-eclampsia, Diabetes, gestational, Hypertension, pregnancy-induced