Interaction of non-arginine compounds with the endothelium-derived relaxing factor inhibitor, NG-monomethyl L-arginine.


NG-Monomethyl L-arginine (L-NMMA) inhibits endothelium-dependent relaxation. It is widely accepted that this effect is due to the inhibition of L-arginine metabolism. Here we show that L-NMMA antagonizes the vasodilator effects of compounds other than L-arginine. In the endothelium intact rat aorta preparation, L-NMMA antagonizes the relaxation induced by N… (More)


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