Reversal by L- and D-enantiomers of NG-nitro-arginine of endotoxin-induced hypotension and vascular hyporesponsiveness.


We examined the effects of D-NNA (NG-nitro-D-arginine) and L-NNA (NG-nitro-L-arginine) on suppression of Escherichia coli lipopolysaccharide (LPS)-induced vascular hyporeactivity in pentobarbital-anesthetized rats. Mean arterial pressure (MAP) and pressor response to norepinephrine (NE) were reduced at 40 min (early phase) and 3.5-4 h (late phase) after i.v… (More)


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