Diabetic patients have abnormal cardiac energy metabolism associated with high plasma free fatty acid (FFA) concentrations. We investigated whether high plasma FFAs increase mitochondrial uncoupling protein (UCP) levels in the mouse heart by activating the nuclear transcription factor peroxisome proliferator-activated receptor (PPAR)alpha. We used Western blotting to measure UCP protein levels in isolated cardiac mitochondria from PPARalpha-/- and diabetic mice. Cardiac UCP2 and UCP3 were sig...Expand abstract
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Plasma free fatty acids and peroxisome proliferator-activated receptor alpha in the control of myocardial uncoupling protein levels.
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