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CTGF expression during mouse embryonic development.

Soenke Friedrichsen1, Heike Heuer, Stephanie Christ

  • 1Max-Planck Institute for Experimental Endocrinology, Hannover, Germany.

Cell and Tissue Research
|April 25, 2003
PubMed
Summary
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Connective tissue growth factor (CTGF) mRNA is synthesized in developing mouse embryos within vascular endothelium, bone/cartilage connective tissue, and maturing neurons. CTGF plays continuous roles in these tissues and transient roles in cartilage, bone, and tooth formation.

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Cell Biology

Background:

  • Connective tissue growth factor (CTGF) is a key regulator of cell proliferation and angiogenesis.
  • CTGF is implicated in wound healing, cancer, fibrosis, and vascular diseases.
  • Understanding CTGF's spatiotemporal expression is crucial for its role in development.

Purpose of the Study:

  • To investigate the cellular localization and regulation of Connective Tissue Growth Factor (CTGF) mRNA synthesis.
  • To elucidate the role of CTGF during embryonic development in mice.
  • To identify specific tissues and developmental stages where CTGF expression is significant.

Main Methods:

  • In situ hybridization was employed to detect CTGF mRNA synthesis.
  • Analysis focused on the developing mouse embryo.

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  • Expression patterns were correlated with specific tissue types and developmental stages.

    • Main Results:

    • Persistent CTGF gene expression was observed in vascular endothelium, mesenchyme associated with bone/cartilage, and maturing cerebral cortex neurons (layer VII).
    • Transient CTGF expression occurred during cartilage formation, ossification, tooth development, and in cerebral neuroepithelium.
    • Epithelial tissues generally showed negative or very transient CTGF expression.

    Conclusions:

    • CTGF exhibits a dual role in embryonic development: continuous functions in cardiovascular, skeletal, and neural tissues.
    • CTGF also plays transient roles during the formation of cartilage, bone, teeth, and central nervous system cells.
    • These findings highlight CTGF's multifaceted importance in embryonic morphogenesis and tissue development.