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Myocardial mitochondria dysfunction seems to represent an important pathogenic factor underlying cardiomyopathy, a common complication of type 1 diabetes mellitus (T1DM). Despite significant progress in the understanding of the molecular mechanisms of mitochondrial function in the heart, the interplay between phospholipids and membrane proteins of this organelle is still poorly comprehended. Using...
In cardiac tissue two mitochondria subpopulations, the subsarcolemmal and the intermyofibrillar mitochondria, present different functional emphasis, although limited information exists about the underlying molecular mechanisms. Our study evidenced higher OXPHOS activity of intermyofibrillar compared to subsarcolemmal mitochondria, paralleled by distinct membrane proteins susceptibility to oxidative...
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