NADPH dehydrogenase (quinone)

(redirected from quinone reductase)

NADPH de·hy·dro·gen·ase (quin·one)

a flavoprotein that oxidizes NADH or NADPH to NAD+ or NADP+ with quinones (for example, menadione) as hydrogen acceptors.
References in periodicals archive ?
Furthermore, green teas have been shown to activate detoxification enzymes, such as glutathione S-transferase and quinone reductase, that may help protect against tumour development.
Correlation of Quinone Reductase Activity and Allyl Isothiocyanate Formation Among Different Genotypes and Grades of Horseradish Roots.
This quinone reductase (PQR) and catechol-O-methyltransferase (COMT) activities of M.
Quinone reductase enzymatic activity, a surrogate of global phase 2 enzyme activity, was assayed by the menadione-coupled reduction of tetrazolium dye.
The relative lack of inhibition of quinone reductase allows for dietary and parenteral correction.
We measured the quinone reductase (QR) activity using a spectrophotometric assay in which we monitored the rate of reduction of 2,6-dichlorophenolindophenol at 590 nm with the spectrophotometer (Rengasamy et al.
Called quinone reductase, this detoxifying enzyme heads off the production of hydroxyl radicals, a type of chemically reactive molecular fragment.
When we measured MIBITC activity on the phase II detoxification enzyme quinone reductase in the HepG2 human liver cell line, we saw activity similar to the concentrations of pure sulforaphane," said Dr.
glutathione transferases, epoxide hydrolase, NAD(P)H: quinone reductase, and glucuronosyltransferases] is a powerful strategy for achieving protection against carcinogenesis, mutagenesis, and other forms of toxicity of electrophiles and reactive forms of oxygen.
Induction of NAD(P)H: quinone reductase in murine hepatoma cells by phenolic antioxidants azo dyes and other chemoprotectors: a model for the study of anticarcinogens.