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. 2012 Sep 4;7(9):e44667. doi: 10.1371/journal.pone.0044667

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© 2012 Holmuhamedov et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A, Electron micrographs of subsarcolemmal (SSM) and interfibrillar (IFM) mitochondria within the heart cell (In Situ) and after isolation (Isolated). Magnification: x10, 000. B, Expression of mitochondria-specific marker proteins in SSM and IFM. Top panel displays Western blots of citrate synthase (CS) and adenine nucleotide transporter 1 (ANT1). Bottom panel displays bar graphs of the activity of CS (SSM, open bars; IFM, filled bars).