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- Title
The Positive Regulation of eNOS Signaling by PPAR Agonists in Cardiovascular Diseases.
- Authors
Maccallini, Cristina; Mollica, Adriano; Amoroso, Rosa
- Abstract
Increasing evidence shows that activation of peroxisome proliferator-activated receptors (PPARs) plays an essential role in the regulation of vascular endothelial function through a range of mechanisms, including non-metabolic. Among these, the PPAR-mediated activation of endothelial nitric oxide synthase (eNOS) appears to be of considerable importance. The regulated and sustained bioavailability of nitric oxide (NO) in the endothelium is essential to avoid the development of cardiovascular diseases such as hypertension or atherosclerosis. Therefore, a deeper understanding of the different effects of specific PPAR ligands on NO bioavailability could be useful in the development of novel or multi-targeted PPAR agonists. In this review, we report the most meaningful and up-to-date in vitro and in vivo studies of the regulation of NO production performed by different PPAR agonists. Insights into the molecular mechanisms of PPAR-mediated eNOS activation are also provided. Although findings from animal studies in which the activation of PPARα, PPARβ/δ, or PPARγ have provided clear vasoprotective effects have been promising, several benefits from PPAR agonists are offset by unwanted outcomes. Therefore, new insights could be useful in the development of tissue-targeted PPAR agonists with more tolerable side effects to improve treatment options for cardiovascular diseases.
- Subjects
ANIMAL experimentation; CARDIOVASCULAR diseases; DRUG side effects; ENDOTHELIUM; NITRIC oxide; OXIDOREDUCTASES; IN vitro studies; PEROXISOME proliferator-activated receptors; IN vivo studies; THERAPEUTICS
- Publication
American Journal of Cardiovascular Drugs, 2017, Vol 17, Issue 4, p273
- ISSN
1175-3277
- Publication type
Academic Journal
- DOI
10.1007/s40256-017-0220-9