Hzf regulates adipogenesis through translational control of C/EBPα

Hiroyuki Kawagishi, Takeshi Wakoh, Hatsume Uno, Mitsuo Maruyama, Ayako Moriya, Satoru Morikawa, Hideyuki Okano, Charles J. Sherr, Masatoshi Takagi, Masataka Sugimoto

研究成果: Article査読

23 被引用数 (Scopus)

抄録

Adipocyte differentiation requires a well-defined programme of gene expression in which the transcription factor C/EBPα (CCAAT/enhancer- binding protein) has a central function. Here, we show that Hzf (haematopoietic zinc-finger), a previously identified p53 transcriptional target, regulates C/EBPα expression. Hzf is induced during differentiation of preadipocyte cell lines, and its suppression by short hairpin RNA disrupts adipogenesis. In Hzf's absence, expression of C/EBPα is severely impaired because of reduced translation of its mRNA. Hzf physically interacts with the 3′ untranslated region of C/EBPα mRNA to enhance its translation. Taken together, these findings underscore a critical role of Hzf in the adipogenesis regulatory cascade.

本文言語English
ページ(範囲)1481-1490
ページ数10
ジャーナルEMBO Journal
27
10
DOI
出版ステータスPublished - 2008 5 21

ASJC Scopus subject areas

  • 神経科学(全般)
  • 分子生物学
  • 生化学、遺伝学、分子生物学(全般)
  • 免疫学および微生物学(全般)

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