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Related Experiment Videos

Platelet-derived endothelial cell growth factor.

K Miyazono1, K Usuki, C H Heldin

  • 1Ludwig Institute for Cancer Research, Biomedical Center, Uppsala, Sweden.

Progress in Growth Factor Research
|January 1, 1991
PubMed
Summary

Platelet-derived endothelial cell growth factor (PD-ECGF) is a novel protein that promotes blood vessel growth. This discovery suggests potential applications in wound healing and vessel repair.

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Stem cells (Dayton, Ohio)·2001

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • Platelet-derived endothelial cell growth factor (PD-ECGF) is a 45 kDa polypeptide.
  • It stimulates endothelial cell DNA synthesis and chemotaxis in vitro, and angiogenesis in vivo.
  • PD-ECGF is found in human platelets and placenta.

Purpose of the Study:

  • To characterize PD-ECGF.
  • To investigate its potential biological functions and clinical applications.

Main Methods:

  • Purification of PD-ECGF from human platelets.
  • cDNA cloning from a human placental cDNA library.
  • Analysis of PD-ECGF produced by cultured cells.

Main Results:

  • PD-ECGF is a novel peptide with no sequence similarity to known proteins.
  • It lacks a hydrophobic leader sequence and is retained within producer cells.
  • PD-ECGF contains covalently bound nucleotides.
  • Its tissue distribution suggests roles in placental angiogenesis and blood vessel integrity.

Conclusions:

  • PD-ECGF is a unique growth factor with potential roles in angiogenesis and vascular maintenance.
  • It may be clinically useful for promoting wound healing and re-endothelialization of blood vessels.

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