CCN2/CTGF binds to fibroblast growth factor receptor 2 and modulates its signaling

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32 Citations (Scopus)

Abstract

CCN2 plays a critical role in the development of mesenchymal tissues such as cartilage and bone, and the binding of CCN2 to various cytokines and receptors regulates their signaling. By screening a protein array, we found that CCN2 could bind to fibroblast growth factor receptors (FGFRs) 2 and 3, with a higher affinity toward FGFR2. We ascertained that FGFR2 bound to CCN2 and that the binding of FGFR2 to FGF2 and FGF4 was enhanced by CCN2. CCN2 and FGF2 had a collaborative effect on the phosphorylation of ERK and the differentiation of osteoblastic cells. The present results indicate the biological significance of the binding of CCN2 to FGFR2 in bone metabolism. Structured summary of protein interactions: FGFR2 binds to CCN2 by protein array (View interaction) FGFR1OP binds to CCN2 by protein array (View interaction) FGFR3 binds to CCN2 by protein array (View interaction)

Original languageEnglish
Pages (from-to)4270-4275
Number of pages6
JournalFEBS Letters
Volume586
Issue number24
DOIs
Publication statusPublished - Dec 14 2012

Keywords

  • CCN2
  • Differentiation
  • FGF2
  • FGFR2
  • Osteoblast

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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