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The Impact Of Long Term Ovariectomy On Diastolic Function And Fibrosis Following Chronic Sympathetic Stimulation In Mice, Erin Moore
Undergraduate Honors Theses
Cardiovascular Disease (CVD) accounts for the leading number of deaths worldwide. Prior to menopause, women exhibit lower rates of CVD compared to age-matched men, however, risks for women increase with menopause. Studies show estrogen loss and age exacerbating cardiac β-adrenergic receptor (β-AR) signaling and contractile function. We therefore hypothesized that prolonged estrogen deficiency and chronic β-adrenergic stimulation cause decreases in cardiac function and increases in fibrosis in aged female hearts. Female mice underwent either an ovariectomy (OVX) or a control SHAM surgery at 10 weeks old and were infused with Isoproterenol for three days via mini osmotic pumps in …