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In Vivo Silencing of the Transcription Factor IRF5 Reprograms the Macrophage Phenotype and Improves Infarct Healing
ObjectivesThe aim of this study was to test whether silencing of the transcription factor interferon regulatory factor 5 (IRF5) in cardiac macrophages improves infarct healing and attenuates post–myocardial infarction (MI) remodeling.BackgroundIn healing wounds, the M1 toward M2 macrophage phenotype transition supports resolution of inflammation and tissue repair. Persistence of inflammatory M1 macrophages may derail healing and compromise organ functions. The transcription factor IRF5 up-regulates genes associated with M1 macrophages.MethodsHere we used nanoparticle-delivered small interfering ribonucleic acid (siRNA) ...
Source: Journal of the American College of Cardiology: Cardiovascular Imaging - April 14, 2014 Category: Radiology Source Type: research