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Related Experiment Video

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In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing
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In vitro models for assessing therapeutic angiogenesis.

Clara Sanz-Nogués1, Timothy O'Brien1

  • 1Regenerative Medicine Institute (REMEDI), Biomedical Sciences Building, National University of Ireland Galway, Newcastle Road, Galway, Ireland.

Drug Discovery Today
|June 6, 2016
PubMed
Summary

This review summarizes in vitro models for assessing therapeutic angiogenesis, a process that stimulates new blood vessel formation to improve tissue perfusion in conditions like arterial obstruction.

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Area of Science:

  • Biomedical Engineering
  • Vascular Biology
  • Regenerative Medicine

Background:

  • Arterial obstruction causes tissue ischemia due to reduced oxygen and nutrient supply.
  • The body attempts to compensate by forming new blood vessels (angiogenesis), but this response is often insufficient.
  • Therapeutic angiogenesis seeks to enhance this natural repair process.

Purpose of the Study:

  • To review current in vitro models used to evaluate the angiogenic potential of therapeutic products.
  • To provide a comprehensive summary of methods for assessing new blood vessel formation in a laboratory setting.

Main Methods:

  • Literature review of in vitro angiogenesis assays.
  • Analysis of models assessing proangiogenic agents and cell therapy products (CTPs).
  • Focus on models relevant to therapeutic angiogenesis.

Main Results:

  • Various in vitro models exist to assess angiogenic potential.
  • These models evaluate the ability of products to stimulate endothelial cell proliferation, migration, and tube formation.
  • Standardization and validation of these models are crucial for reliable product assessment.

Conclusions:

  • In vitro models are essential tools for the preclinical evaluation of therapeutic angiogenesis strategies.
  • Further development and standardization of these models will facilitate the advancement of new treatments for ischemic diseases.
  • Accurate assessment of angiogenic potential is key to developing effective therapies.