Induction of EMT-like response by BMP4 via up-regulation of lysyl oxidase is required for adipocyte lineage commitment

Hai Yan Huang, Su Zhen Chen, Wen Ting Zhang, Shan Shan Wang, Yang Liu, Xi Li, Xia Sun, Yi Ming Li, Bo Wen, Qun Ying Lei, Qi Qun Tang

Research output: Contribution to journalArticle

Abstract

The developmental pathway that gives rise to mature adipocytes involves commitment and terminal differentiation. Our previous findings indicate that BMP4 (bone morphogenetic protein 4) induces nearly complete commitment of C3H10T1/2 pluripotent stem cells to the adipocyte lineage and knockdown of lysyl oxidase (Lox) disrupts this commitment process. Here, we found that an epithelial-mesenchymal transition (EMT)-like response is required for adipocyte lineage commitment and that Lox is indispensable for this process. When C3H10T1/2 cells were treated with BMP4, Vim and Cdh2 showed up-regulated expression while Cdh1 and Ocln were down-regulated along with enhanced cell migration, which are EMT-like responses. Silencing of Lox in BMP4-treated C3H10T1/2 cells induced a mesenchymal-epithelial transition (MET)-like response associated with the repression of mesenchymal markers, induction of epithelial markers and decreased cell migration. Importantly, blocking the EMT-like response by knocking down Cdh2 or over-expression of Cdh1 impairs adipocyte lineage commitment. EMT is regulated by distinct transcription factors such as Snai1, Snai2 and Twist. In this study, we also found that only Twist was down-regulated after Lox silencing in C3H10T1/2 cells treated with BMP4. This study provides new insights into adipocyte lineage commitment.

Original languageEnglish (US)
Pages (from-to)278-287
Number of pages10
JournalStem Cell Research
Volume10
Issue number3
DOIs
StatePublished - May 2013
Externally publishedYes

Fingerprint

Protein-Lysine 6-Oxidase
Bone Morphogenetic Protein 4
Epithelial-Mesenchymal Transition
Adipocytes
Up-Regulation
Cell Movement
Pluripotent Stem Cells
Transcription Factors

Keywords

  • 422/aP2
  • BMP4
  • EMT
  • FBS
  • IPSCs
  • Lox
  • MEFs
  • MET
  • MSCs
  • PBS
  • TGF-β

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Medicine(all)

Cite this

Induction of EMT-like response by BMP4 via up-regulation of lysyl oxidase is required for adipocyte lineage commitment. / Huang, Hai Yan; Chen, Su Zhen; Zhang, Wen Ting; Wang, Shan Shan; Liu, Yang; Li, Xi; Sun, Xia; Li, Yi Ming; Wen, Bo; Lei, Qun Ying; Tang, Qi Qun.

In: Stem Cell Research, Vol. 10, No. 3, 05.2013, p. 278-287.

Research output: Contribution to journalArticle

Huang, HY, Chen, SZ, Zhang, WT, Wang, SS, Liu, Y, Li, X, Sun, X, Li, YM, Wen, B, Lei, QY & Tang, QQ 2013, 'Induction of EMT-like response by BMP4 via up-regulation of lysyl oxidase is required for adipocyte lineage commitment', Stem Cell Research, vol. 10, no. 3, pp. 278-287. https://doi.org/10.1016/j.scr.2012.12.005
Huang, Hai Yan ; Chen, Su Zhen ; Zhang, Wen Ting ; Wang, Shan Shan ; Liu, Yang ; Li, Xi ; Sun, Xia ; Li, Yi Ming ; Wen, Bo ; Lei, Qun Ying ; Tang, Qi Qun. / Induction of EMT-like response by BMP4 via up-regulation of lysyl oxidase is required for adipocyte lineage commitment. In: Stem Cell Research. 2013 ; Vol. 10, No. 3. pp. 278-287.
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