D. Medeiros

Publications138
h-index30
Citations5,013
Highly Influential Citations183
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Peroxisome proliferator-activated receptor gamma coactivator-1 promotes cardiac mitochondrial biogenesis.
Cardiac mitochondrial function is altered in a variety of inherited and acquired cardiovascular diseases. Recent studies have identified the transcriptional coactivator peroxisome… Expand
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PGC-1α Deficiency Causes Multi-System Energy Metabolic Derangements: Muscle Dysfunction, Abnormal Weight Control and Hepatic Steatosis
The gene encoding the transcriptional coactivator peroxisome proliferator-activated receptor-γ coactivator-1α (PGC-1α) was targeted in mice. PGC-1α null (PGC-1α−/−) mice were viable. However,… Expand
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Transcriptional coactivators PGC-1alpha and PGC-lbeta control overlapping programs required for perinatal maturation of the heart.
Oxidative tissues such as heart undergo a dramatic perinatal mitochondrial biogenesis to meet the high-energy demands after birth. PPARgamma coactivator-1 (PGC-1) alpha and beta have been implicated… Expand
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Cardiac-Specific Induction of the Transcriptional Coactivator Peroxisome Proliferator-Activated Receptor &ggr; Coactivator-1&agr; Promotes Mitochondrial Biogenesis and Reversible Cardiomyopathy in a…
Abstract— Recent evidence has identified the peroxisome proliferator-activated receptor &ggr; coactivator-1&agr; (PGC-1&agr;) as a regulator of cardiac energy metabolism and mitochondrial biogenesis.… Expand
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A Unified Perspective on Copper Deficiency and Cardiomyopathy
Abstract Dietary copper restriction in rats results in cardiomyopathy. In rats fed copper-restricted diets from weaning for 5 to 8 weeks, a concentric hypertrophy is apparent, whereas postweaning… Expand
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Zinc supplements and serum lipids in young adult white males.
A 12-wk double-blind study was conducted to determine the effect of oral zinc supplementation upon serum total cholesterol, lipoprotein-cholesterol fractions, and serum triglycerides in white males.… Expand
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Myofibrillar, mitochondrial and valvular morphological alterations in cardiac hypertrophy among copper-deficient rats.
Histological aspects of Cu-deficient hypertrophied rat hearts were evaluated to determine causal factors. Twenty-four male weanling rats were fed either Cu-adequate (8.0 mg/kg diet) or Cu-deficient… Expand
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Assessing mitochondria biogenesis.
Mitochondria have their own DNA (mtDNA) and hence biogenesis of mitochondria requires a coordination of nuclear and mtDNA, both of which encode for mitochondria proteins. Our understanding of the… Expand
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Oxidative stress-induced apoptosis of endothelial cells.
Endothelial cells (ECs) are subjected to oxidative stress during many pathological processes, including ischemia/reperfusion and general inflammation. In the present study, we examined the effects of… Expand
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Insulin-Resistant Heart Exhibits a Mitochondrial Biogenic Response Driven by the Peroxisome Proliferator-Activated Receptor-&agr;/PGC-1&agr; Gene Regulatory Pathway
Background— Obesity and diabetes mellitus are complex metabolic problems of pandemic proportion, contributing to significant cardiovascular mortality. Recent studies have shown altered mitochondrial… Expand
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