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- Title
PPAR Alpha Activation by Clofibrate Alleviates Ischemia/Reperfusion Injury in Metabolic Syndrome Rats by Decreasing Cardiac Inflammation and Remodeling and by Regulating the Atrial Natriuretic Peptide Compensatory Response.
- Authors
Sánchez-Aguilar, María; Ibarra-Lara, Luz; Cano-Martínez, Agustina; Soria-Castro, Elizabeth; Castrejón-Téllez, Vicente; Pavón, Natalia; Osorio-Yáñez, Citlalli; Díaz-Díaz, Eulises; Rubio-Ruíz, María Esther
- Abstract
Metabolic syndrome (MetS) is a cluster of factors that increase the risk of developing diabetes, stroke, and heart failure. The pathophysiology of injury by ischemia/reperfusion (I/R) is highly complex and the inflammatory condition plays an important role by increasing matrix remodeling and cardiac apoptosis. Natriuretic peptides (NPs) are cardiac hormones with numerous beneficial effects mainly mediated by a cell surface receptor named atrial natriuretic peptide receptor (ANPr). Although NPs are powerful clinical markers of cardiac failure, their role in I/R is still controversial. Peroxisome proliferator-activated receptor α agonists exert cardiovascular therapeutic actions; however, their effect on the NPs' signaling pathway has not been extensively studied. Our study provides important insight into the regulation of both ANP and ANPr in the hearts of MetS rats and their association with the inflammatory conditions caused by damage from I/R. Moreover, we show that pre-treatment with clofibrate was able to decrease the inflammatory response that, in turn, decreases myocardial fibrosis, the expression of metalloprotease 2 and apoptosis. Treatment with clofibrate is also associated with a decrease in ANP and ANPr expression.
- Subjects
ATRIAL natriuretic peptides; CELL receptors; REPERFUSION injury; METABOLIC syndrome; CLOFIBRATE; BRAIN natriuretic factor; PEROXISOME proliferator-activated receptors
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 6, p5321
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms24065321