The search for the basic mechanisms responsible for the developmentand progression of heart failure has been exhaustive. Despitethe elucidation of several clinically relevant signal transductionpathways that can lead to disease progression (e.g., those thatactivate the angiotensin and adrenergic signaling pathways),the means by which these pathways are coordinated with respectto the development and progression of heart failure remain obscure.A recent study by van Rooij and colleagues1 is particularlywelcome because it provides a new understanding of how stressresponses are coordinated in the failing heart.
From the Winters Center for Heart Failure Research, Baylor College of Medicine, and the Texas Heart Institute at St. Luke's Episcopal Hospital — both in Houston.
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