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Published in: Angiogenesis 4/2008

01-12-2008 | Original Paper

PPARγ ligands, rosiglitazone and pioglitazone, inhibit bFGF- and VEGF-mediated angiogenesis

Authors: Ahmad Aljada, Laura O’Connor, Yu-Yen Fu, Shaker A. Mousa

Published in: Angiogenesis | Issue 4/2008

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Abstract

Objective

To study the effect of peroxisome proliferator-activated receptor-gamma (PPARγ) agonists, pioglitazone and rosiglitazone, on vascular endothelial growth factor (VEGF)- and basic fibroblast growth factor (bFGF)-induced angiogenesis and on endothelial cell migration.

Methods

Chick chorioallantoic membrane (CAM) model was used to evaluate the efficacy of pioglitazone and rosiglitazone on VEGF- and bFGF-induced angiogenesis. In addition, the effect of pioglitazone and rosiglitazone on endothelial cell migration was evaluated using 8 mm pore filter to a feeder layer containing vitronectin as chemoattractant.

Results

Pioglitazone and rosiglitazone inhibited the pro-angiogenic effects of bFGF and VEGF in the CAM model significantly (< 0.001) to the same extent. Endothelial cell migration was also inhibited by both pioglitazone and rosiglitazone (< 0.001).

Conclusions

These results suggest that PPARγ ligands, pioglitazone and rosiglitazone, in addition to their important regulatory role in adipogenesis and inflammation, possess anti-angiogenic properties. Thus, PPARγ ligands may be useful in the treatment of diabetic retinopathy, macular degeneration, and other ocular disorders and may lower the risk to develop cancer in diabetic patients.
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Metadata
Title
PPARγ ligands, rosiglitazone and pioglitazone, inhibit bFGF- and VEGF-mediated angiogenesis
Authors
Ahmad Aljada
Laura O’Connor
Yu-Yen Fu
Shaker A. Mousa
Publication date
01-12-2008
Publisher
Springer Netherlands
Published in
Angiogenesis / Issue 4/2008
Print ISSN: 0969-6970
Electronic ISSN: 1573-7209
DOI
https://doi.org/10.1007/s10456-008-9118-0

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