Overexpression of connective tissue growth factor/hypertrophic chondrocyte-specific gene product 24 decreases bone density in adult mice and induces dwarfism

Tohru Nakanishi, Tomoichiro Yamaai, Masahiro Asano, Kumiko Nawachi, Misao Suzuki, Tomosada Sugimoto, Masaharu Takigawa

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Connective tissue growth factor/hypertrophic chondrocyte-specific gene product 24 (CTGF/Hcs24) is a multifunctional growth factor for fibroblasts, chondrocytes, and vascular endothelial cells. In the present study, we established transgenic (Tg) mice that over-produce CTGF/Hcs24 under the control of mouse type XI collagen promoter. Tg mice could develop and their embryonic and neonatal growth occurred normally. But they showed dwarfism within a few months of birth. X-ray analysis revealed that their bone density was decreased compared with normal mice. The femurs in the hindlimbs in particular showed an apparent low density. These results indicated that overexpression of CTGF/Hcs24 affects certain steps of endochondral ossification. In addition, the testes were much smaller than normal and fertility was affected in Tg mice, indicating that CTGF/Hcs24 may also regulate the embryonic development of the testis.

Original languageEnglish
Pages (from-to)678-681
Number of pages4
JournalBiochemical and Biophysical Research Communications
Volume281
Issue number3
DOIs
Publication statusPublished - 2001

Fingerprint

Connective Tissue Growth Factor
Dwarfism
Chondrocytes
Bone Density
Bone
Genes
Transgenic Mice
Collagen Type XI
Testis
Fibroblast Growth Factors
Endothelial cells
X ray analysis
Hindlimb
Osteogenesis
Femur
Embryonic Development
Fertility
Endothelial Cells
X-Rays
Parturition

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Overexpression of connective tissue growth factor/hypertrophic chondrocyte-specific gene product 24 decreases bone density in adult mice and induces dwarfism. / Nakanishi, Tohru; Yamaai, Tomoichiro; Asano, Masahiro; Nawachi, Kumiko; Suzuki, Misao; Sugimoto, Tomosada; Takigawa, Masaharu.

In: Biochemical and Biophysical Research Communications, Vol. 281, No. 3, 2001, p. 678-681.

Research output: Contribution to journalArticle

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AU - Takigawa, Masaharu

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