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Figure 4 Expression of selected genes. RNA of individual hearts was analyzed for (A) atrial natriuretic peptide (by Northern blot hybridization); (B) energy metabolism-related genes (by quantitative reverse transcription polymerase chain reaction). Values expressed as mean ± SD; *p  0.03 vs. sedentary-infarcted (SedMI); n = 5 in each SedMI and exercised-infarcted (ExMI) group. Solid bar = SedMI; open bar = ExMI. AU = arbitrary units; COX 6A and COX 8h = subunits of cytochrome C-oxidase; H-FABP = heart fatty acid binding protein.
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