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In rat muscle metabolic acidosis increases ATP-dependent protein degradation and levels of mRNAs for ubiquitin (Ub) and proteasome subunits. Because adrenalectomy (ADX) abolishes the proteolytic response to acidosis in muscle, we examined whether glucocorticoids (GCs) are necessary for acidosis-induced changes in Ub and proteasome mRNAs in muscles. Total(More)
Current patient selection criteria for Cardiac Resynchronization Therapy (CRT), an efficacious treatment for heart failure, include no measure of disconjugate cardiac contractility other than prolonged QRS on electrocardiogram. Using cardiac magnetic resonance imaging, we examined the roles of cardiac asymmetry, asynchrony, and circumferential strain in DCC(More)
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