Role of nitric oxide and superoxide anion in spontaneous lung chemiluminescence.

Abstract

Inhibition of nitric oxide (.NO) synthase by nitro-L-arginine (NLA) decreased baseline chemiluminescence in a dose-dependent fashion up to 78% at 300 microM NLA. This inhibition was prevented by pretreatment with 1 mM arginine. Similarly, addition of superoxide dismutase (SOD; 200 U/ml) to the perfusion buffer inhibited spontaneous light emission by 57… (More)

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