REVIEW

Imprinted Genes: Regulatory Mechanism on Development of Mammalian Embryos and Placenta

  • XU Juanzhi ,
  • YAN Qiongxian ,
  • WU Xiaosong ,
  • TAN Zhiliang
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  • 1. College of Animal Sciences and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Key Laboratory of Subtropical Agro-Ecological Processes, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China

Received date: 2015-12-31

  Online published: 2016-06-27

Abstract

Imprinted genes play a significant role in the regulation of life processes in mammals. In the early stage of life, imprinted genes adjust allele's expression or silence with epigenetic modification and subsequently regulate the growth of embryos and placenta. The abnormal expressions of imprinted genes are closely related to fetal growth restriction, developmental arrest and thyroid detoxification in the embryos and placenta, so it is important to explore the regulation mechanisms of imprinted genes on the development of embryos and placenta for the purpose of prevention from intrauterine growth restriction, congenitial defect and potential diseases late in the life. This review summarized the main characteristics of imprinted genes, erasure and reconstruction of the imprinting of the sex gonad and the related epigenetic modification, and the latest research progress in the development of mammalian embryos and placenta affected by imprinted genes.

Cite this article

XU Juanzhi , YAN Qiongxian , WU Xiaosong , TAN Zhiliang . Imprinted Genes: Regulatory Mechanism on Development of Mammalian Embryos and Placenta[J]. Chinese Journal of Animal Nutrition, 2016 , 28(6) : 1661 -1669 . DOI: 10.3969/j.issn.1006-267x.2016.06.005

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