Acute administration of L-arginine does not improve arterial endothelial function in chronic renal failure.
BACKGROUND: Reduced activity of the nitric oxide (NO) pathway has been implicated in the endothelial dysfunction that occurs in patients with renal failure. NO is generated from L-arginine by NO synthase, and certain uremic toxins including asymmetrical dimethyl-L-arginine (ADMA), inhibit NO synthase and might contribute to endothelial dysfunction. We hypothesized that exogenous L-arginine might improve endothelial function in patients with renal failure by overcoming the effects of uremic to...Expand abstract
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