The Proto-oncogene Transcription Factor Ets1 Regulates Neural Crest Development through Histone Deacetylase 1 to Mediate Output of Bone Morphogenetic Protein Signaling
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AbstractThe neural crest (NC) is a transient, migratory cell population that differentiates into a large variety of tissues including craniofacial cartilage, melanocytes, and peripheral nervous system. NC is initially induced at the border of neural plate and non-neural ectoderm by balanced regulation of multiple signaling pathways among which an intermediate bone morphogenetic protein (BMP) signaling is essential for NC formation. ets1, a proto-oncogene playing important roles in tumor invasion, has also been implicated in delamination of NC cells. In this study, we investigated Ets1 function in NC formation using Xenopus. Overexpression of ets1 repressed NC formation through down-regulation of BMP signaling. Moreover, ets1 repressed the BMP-responsive gene id3 that is essential for NC formation. Conversely, overexpression of id3 can partially rescue the phenotype of NC inhibition induced by ectopic ets1. Mechanistically, we found that Ets1 binds to id3 promoter as well as histone deacetylase 1, suggesting that Ets1 recruits histone deacetylase 1 to the promoter of id3, thereby inducing histone deacetylation of the id3 promoter. Thus, our studies indicate that Ets1 regulates NC formation through attenuating BMP signaling epigenetically.
All Author(s) ListWang CD, Kam RKT, Shi WL, Xia Y, Chen XF, Cao Y, Sun JM, Du YZ, Lu G, Chen ZJ, Chan WY, Chan SO, Deng Y, Zhao H
Journal nameJournal of Biological Chemistry
Year2015
Month9
Day4
Volume Number290
Issue Number36
PublisherAmerican Society for Biochemistry and Molecular Biology
Pages21925 - 21938
ISSN0021-9258
eISSN1083-351X
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesBiochemistry & Molecular Biology

Last updated on 2020-11-07 at 01:14