Therapeutic angiogenesis by gene transfer in critical limb and myocardial ischemia

Peter Schratzberger1, Rudolf Kirchmair, Peter R Vale

  • 1Department of Internal Medicine, Division of General Internal Medicine, University Hospital Innsbruck, Innsbruck, Austria. peter.schratzberger@uibk.ac.at

Insights

Therapeutic angiogenesis using gene transfer offers a promising strategy to create new blood vessels for patients with critical limb or myocardial ischemia who cannot undergo traditional revascularization.

Area of Science:

  • Cardiovascular Medicine
  • Regenerative Medicine
  • Gene Therapy

Background:

  • Cardiovascular atherosclerotic diseases are a major global health burden, causing significant morbidity and mortality.
  • Current medical, surgical, and percutaneous therapies do not benefit all patients, particularly those unsuitable for revascularization.
  • Therapeutic angiogenesis aims to develop new blood vessels (endogenous bypass conduits) around blocked arteries.

Purpose of the Study:

  • To review gene transfer strategies for therapeutic angiogenesis.
  • To focus on promoting collateral blood vessel development in critical limb and myocardial ischemia.
  • To discuss the roles of vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF).

Main Methods:

  • Review of existing research on gene transfer for therapeutic angiogenesis.
  • Analysis of studies involving angiogenic growth factors like VEGF and FGF.
  • Examination of preclinical and clinical trial data.

Main Results:

  • Vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF) are well-studied angiogenic factors.
  • Gene transfer is a key strategy for delivering these factors to promote neovascularization.
  • Therapeutic angiogenesis shows potential for creating functional collateral circulation.

Conclusions:

  • Gene transfer strategies hold promise for treating critical limb and myocardial ischemia.
  • Therapeutic angiogenesis can provide alternative revascularization options for non-ideal surgical candidates.
  • Further research and clinical application of VEGF and FGF gene therapies are warranted.