Linc-YY1 promotes myogenic differentiation and muscle regeneration through an interaction with the transcription factor YY1
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AbstractLittle is known how lincRNAs are involved in skeletal myogenesis. Here we describe the discovery of Linc-YY1 from the promoter of the transcription factor (TF) Yin Yang 1 (YY1) gene. We demonstrate that Linc-YY1 is dynamically regulated during myogenesis in vitro and in vivo. Gain or loss of function of Linc-YY1 in C2C12 myoblasts or muscle satellite cells alters myogenic differentiation and in injured muscles has an impact on the course of regeneration. Linc-YY1 interacts with YY1 through its middle domain, to evict YY1/Polycomb repressive complex (PRC2) from target promoters, thus activating the gene expression in trans. In addition, Linc-YY1 also regulates PRC2-independent function of YY1. Finally, we identify a human Linc-YY1 orthologue with conserved function and show that many human and mouse TF genes are associated with lincRNAs that may modulate their activity. Altogether, we show that Linc-YY1 regulates skeletal myogenesis and uncover a previously unappreciated mechanism of gene regulation by lincRNA.
All Author(s) ListZhou L, Sun K, Zhao Y, Zhang SY, Wang XC, Li YY, Lu LN, Chen XN, Chen FY, Bao XC, Zhu XH, Wang LJ, Tang LY, Esteban MA, Wang CC, Jauch R, Sun H, Wang HT
Journal nameNature Communications
Year2015
Month12
Day11
Volume Number6
PublisherNature Publishing Group
Article number10026
ISSN2041-1723
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesMultidisciplinary Sciences; Science & Technology - Other Topics

Last updated on 2021-17-01 at 00:59