Abstract 3467: Fibulin-2 Enhances Angiotensin-II-Induced Transforming Growth Factor (TGF)-β Activation in Promoting Cardiac Remodeling in the Mouse Model I
n Vivo
Abstract:Background:
Angiotensin-II (Ang-II) is a potent neurohormone responsible for progression of cardiac remodeling in which TGF-β serves as a principal downstream mediator. In our previous study, genetic deletion of fibulin-2 attenuated progression of ventricular dysfunction after experimental myocardial infarction (MI). Because Ang-II plays a central role in post-MI ventricular remodeling, we tested the hypothesis that fibulin-2 modulates Ang-II-induced cardiac remodeling.
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