Title : Endothelin-1 decreases endothelial NOS expression and activity through ETA receptor-mediated generation of hydrogen peroxide.

Pub. Date : 2005 Mar

PMID : 15531748






4 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Endothelin-1 decreases endothelial NOS expression and activity through ETA receptor-mediated generation of hydrogen peroxide. Hydrogen Peroxide nitric oxide synthase 3 Homo sapiens
2 In FPAEC in monoculture treated with 0-100 microM H2O2, 12 microM had no effect on eNOS promoter activity, but it increased eNOS protein levels by 50%. Hydrogen Peroxide nitric oxide synthase 3 Homo sapiens
3 However, at 100 microM, H2O2 decreased eNOS promoter activity and protein levels in FPAEC by 79 and 40%, respectively. Hydrogen Peroxide nitric oxide synthase 3 Homo sapiens
4 These data suggest a role for smooth muscle cell-derived H2O2 in ET-1-mediated downregulation of eNOS expression in children born with PPHN. Hydrogen Peroxide nitric oxide synthase 3 Homo sapiens