Antioxidant properties of dihydropyridines in isolated rat hearts.


Isolated Sprague-Dawley rat hearts were perfused under constant flow conditions. Hearts were treated with vehicle or treatment buffers, including nisoldipine, nifedipine, or the optical isomers (+)- or (-)-nisoldipine. H2O2 (500-600 microM) was then added to the treatment buffer for 12 min. H2O2 was removed and perfusion continued with treatment buffers (10… (More)


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