Making stronger cardiomyocytes with cardiac protein PEX1

Primary cultures of neonatal cardiomyocytes infected with adenovirus- HA-PEX1 construct were co-stained with anti-Sarcomeric alpha-Actinin to visualize the myofibrils (Green), anti-HA to detect the expression of PEX1 protein (Red) and Hoechst to stain cell nuclei (Blue). Notice how cardiomyocytes overexpressing cardiac protein PEX1 (Red) have well organized striated sarcomeres, forming a syncytium of beating cells.

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