xanthine oxidase


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

xanthine oxidase

[′zan‚thēn ′äk·sə‚dās]
(biochemistry)
A flavoprotein enzyme catalyzing the oxidation of certain purines.
References in periodicals archive ?
Terminalia bellerica is a tannin-rich extract that appears to inhibit xanthine oxidase, an enzyme involved in uric acid synthesis.
The freshly prepared homogenate were then used for determination of thiobarbituric acid reactive substances (TBARS), CAT, GSH, SOD, creatine phosphokinase (CPK), lactate dehydrogenase (LDH), aspartate aminotransferase (AST), xanthine oxidase (XO), xanthine dehydrogenase (XDH), and uric acid contents.
In this study, an increase in sera uric acid concentrations were observed in cholelithiasis patients, this increase may be due to the parallel increasing in xanthine oxidase activity observed in gallstone patients reflect the fact that the catabolic pathway is increased.
Keywords: Cinchonidine, cinchonine, quinine, noscapine, lipoxygenase, xanthine oxidase.
It is a xanthine oxidase inhibitor and decreases uric acid production.
Key words: Syzigium aromaticum, essential oil, eugenol, ROS, xanthine oxidase, acetylcholine esterase.
In these atherosclerotic plaques, due to combined effect of ischemia necrosis and apoptosis, there occurs increased supply of purine nucleic acids and increased activity of xanthine oxidase enzyme.
To assess oxidative injury, blood malondialdehyde (MDA) levels, glutathion peroxidase (GSH-Px), and xanthine oxidase (XO) enzymatic activities were studied.