Linking Gene Expression to Function: Metabolic Flexibility in the Normal and Diseased Heart

Abstract excerpt

Metabolism transfers energy from substrates to ATP. As a "metabolic omnivore," the normal heart adapts to changes in the environment by switching from one substrate to another. We propose that this flexibility is lost in the maladapted, diseased heart. Both adaptation and maladaptation are the results of metabolic signals that regulate transcription of key cardiac regulatory genes. We propose that metabolic...

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