Title : The overexpression of copper-zinc superoxide dismutase protects NOS III from nitric oxide-mediated inhibition.

Pub. Date : 2002 Nov

PMID : 12489993






3 Functional Relationships(s)
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1 Previously, we have demonstrated that increased superoxide generation plays a role in the nitric oxide (NO)-mediated inhibition of endothelial NO synthase (NOS III) in endothelial cells (ECs). Superoxides nitric oxide synthase 3 Homo sapiens
2 In this study we demonstrate that the source of the superoxide is likely due to both NADPH oxidase and NOS III itself. Superoxides nitric oxide synthase 3 Homo sapiens
3 In conclusion, our results indicate that superoxide and peroxynitrite are involved in the inhibition of NOS III by NO, and that the scavenging of superoxide may be necessary to prevent NOS III inhibition during treatments that involve inhaled NO or NO donors. Superoxides nitric oxide synthase 3 Homo sapiens