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Cardiomyocyte size in WT and ae3−/−mice. Cardiomyocytes were isolated from male adult hearts of wildtype (ae3+/+, open bar) and knock-out (ae3−/−, black bar) mice. Total cell surface area of rod-shaped cardiac cells was determined by morphometry. Data are expressed as a percentage relative to the wildtype cells. * P < 0.05 compared to WT (n = 6 mice in each group).
