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Figure 2 Masson’s trichrome (A, B) and picrosirius staining (C, D) of atrial sections from control (A, C) and infarcted rats in severe heart failure (B) and mild heart failure (D). Fibrosis is especially visible around myocytes of diseased atria. Sarcomeric alpha-actinin immunostaining of atrial cryosections from control (E) and infarcted (F) rats in severe heart failure (confocal microscopy) showing myolysis of myocytes of diseased atria. Bar = 50 µm (A, B) and 10 µm (C to F).
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