Cartilage-derived morphogenetic proteins induce osteogenic gene expression in the C2C12 mesenchymal cell line

Lee Chuan C. Yeh, Alicia D. Tsai, John C. Lee

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Cartilage-derived morphogenetic protein-1, -2, and -3 (CDMP-1, -2, and -3) are members of the bone morphogenetic protein (BMP) family and have been shown to exhibit a variety of biological activities. In the present study, effects of these CDMPs on the temporal and spatial expression of genes in the pluripotent mesenchymal cell line C2C12 were examined. Cells cultured in the presence of CDMPs lost the characteristic elongated shape of myoblasts. At the molecular level, CDMP treatment did not change the mRNA expression of MyoD, aggrecan, Six1, and tendin. Scleraxis mRNA level was reduced by CDMP treatment. CDMP-1 and -3, but not CDMP-2, stimulated expression of osteogenic markers, such as alkaline phosphatase (AP), osteocalcin (OC), BSP, and type I collagen, in a dose- and time-dependent manner. With few exceptions, the three CDMPs changed, with different potencies, the expression profile of different members of the BMP family in a similar temporal pattern. Except at the late phase of treatment, CDMP treatment did not change the expression of ActR-IA, BMPR-IA, BMPR-IB, BMPR-II, and ALK-7 mRNAs. Based on the current data, the CDMPs appear to be able to stimulate the C2C12 cells to differentiate into the osteoblast pathway.

Original languageEnglish (US)
Pages (from-to)173-188
Number of pages16
JournalJournal of Cellular Biochemistry
Volume95
Issue number1
DOIs
StatePublished - May 1 2005

Keywords

  • Bone morphogenetic proteins, BMPs
  • C2C12
  • Cartilage-derived morphogenetic proteins, CDMPs
  • Gene expression
  • Growth/differentiation factors, GDFs
  • Osteogenesis
  • Transforming growth factor-β, TGF-β

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

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