Title : Potent inhibition of aldehyde dehydrogenase-2 by diphenyleneiodonium: focus on nitroglycerin bioactivation.

Pub. Date : 2013 Sep

PMID : 23793290






8 Functional Relationships(s)
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Protein Name
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1 Potent inhibition of aldehyde dehydrogenase-2 by diphenyleneiodonium: focus on nitroglycerin bioactivation. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
2 Aldehyde dehydrogenase-2 (ALDH2) catalyzes vascular bioactivation of the antianginal drug nitroglycerin (GTN) to yield nitric oxide (NO) or a related species that activates soluble guanylate cyclase (sGC), resulting in cGMP-mediated vasodilation. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
3 Aldehyde dehydrogenase-2 (ALDH2) catalyzes vascular bioactivation of the antianginal drug nitroglycerin (GTN) to yield nitric oxide (NO) or a related species that activates soluble guanylate cyclase (sGC), resulting in cGMP-mediated vasodilation. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
4 Aldehyde dehydrogenase-2 (ALDH2) catalyzes vascular bioactivation of the antianginal drug nitroglycerin (GTN) to yield nitric oxide (NO) or a related species that activates soluble guanylate cyclase (sGC), resulting in cGMP-mediated vasodilation. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
5 Aldehyde dehydrogenase-2 (ALDH2) catalyzes vascular bioactivation of the antianginal drug nitroglycerin (GTN) to yield nitric oxide (NO) or a related species that activates soluble guanylate cyclase (sGC), resulting in cGMP-mediated vasodilation. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
6 Accordingly, established ALDH2 inhibitors attenuate GTN-induced vasorelaxation in vitro and in vivo. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
7 However, the ALDH2 hypothesis has not been reconciled with early studies demonstrating potent inhibition of the GTN response by diphenyleneiodonium (DPI), a widely used inhibitor of flavoproteins, in particular NADPH oxidases. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus
8 Our data identify ALDH2 as highly sensitive target of DPI and explain inhibition of GTN-induced relaxation by this drug observed previously. Nitroglycerin aldehyde dehydrogenase 1 family, member A1 Rattus norvegicus