Interplay between bone morphogenetic proteins and cognate binding proteins in bone and cartilage development: Noggin, chordin and DAN

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90 Scopus citations

Abstract

This commentary is a concise discussion of the interactions between bone morphogenetic proteins (BMPs) and their binding proteins in bone and cartilage morphogenesis. BMPs are a family of growth and differentiation factors, and they act on mesenchymal cells to induce cartilage and bone differentiation in concentration-dependent thresholds. The BMP-BMP receptor binding leads to a cascade of signaling and transcription of BMP response genes. BMP binding proteins, noggin, chordin and DAN, act as antagonists and determine the bioavailability of BMPs for binding to cognate receptors to elicit the biological response. Noggin null mice with unrestricted action of BMPs exhibit defects in joint morphogenesis. BMPs and their binding proteins may reciprocally regulate the dynamic topography of joints, muscle, tendons and ligaments during morphogenesis of the skeleton. In addition, BMP actions may be potentiated by twisted gastrulation. BMPs and their binding proteins may play a critical role in regeneration of cartilage in osteoarthritis.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalArthritis Research
Volume3
Issue number1
DOIs
StatePublished - 2001

Keywords

  • BMP
  • BMP receptors
  • Extracellular matrix
  • Smads

ASJC Scopus subject areas

  • Rheumatology

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