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Azithromycin Therapy Reduces Cardiac Inflammation And Mitigates Adverse Cardiac Remodeling After Myocardial Infarction: Potential Therapeutic Targets In Ischemic Heart Disease, Ahmed Al-Darraji, Dalia Haydar, Lakshman Chelvarajan, Himi Tripathi, Bryana R. Levitan, Erhe Gao, Vincent J. Venditto, John C. Gensel, David James Feola, Ahmed Abdel-Latif
Azithromycin Therapy Reduces Cardiac Inflammation And Mitigates Adverse Cardiac Remodeling After Myocardial Infarction: Potential Therapeutic Targets In Ischemic Heart Disease, Ahmed Al-Darraji, Dalia Haydar, Lakshman Chelvarajan, Himi Tripathi, Bryana R. Levitan, Erhe Gao, Vincent J. Venditto, John C. Gensel, David James Feola, Ahmed Abdel-Latif
Gill Heart & Vascular Institute Faculty Publications
Introduction
Acute myocardial infarction (MI) is a primary cause of worldwide morbidity and mortality. Macrophages are fundamental components of post-MI inflammation. Pro-inflammatory macrophages can lead to adverse cardiac remodeling and heart failure while anti-inflammatory/reparative macrophages enhance tissue healing. Shifting the balance between pro-inflammatory and reparative macrophages post-MI is a novel therapeutic strategy. Azithromycin (AZM), a commonly used macrolide antibiotic, polarizes macrophages towards the anti-inflammatory phenotype, as shown in animal and human studies. We hypothesized that AZM modulates post-MI inflammation and improves cardiac recovery.
Methods and results
Male WT mice (C57BL/6, 6–8 weeks old) were treated with either oral AZM (160 …