xanthine


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Related to xanthine: Xanthine oxidase, Xanthine DeHydrogenase, xanthine oxidase deficiency

xan·thine

 (zăn′thēn′, -thĭn)
n.
1. A yellowish-white, crystalline purine base, C5H4N4O2, that is a precursor of uric acid and is found in blood, urine, muscle tissue, and certain plants.
2. Any of several derivatives of this compound.

xanthine

(ˈzænθiːn; -θaɪn)
n
1. (Elements & Compounds) a crystalline compound related in structure to uric acid and found in urine, blood, certain plants, and certain animal tissues. Formula: C5H4N4O2
2. (Elements & Compounds) any substituted derivative of xanthine, esp one of the three pharmacologically active methylated xanthines, caffeine, theophylline, or theobromine, which act as stimulants and diuretics

xan•thine

(ˈzæn θin, -θɪn)

n.
1. a crystalline, nitrogenous compound, C5H4N4O2, related to uric acid, occurring in urine, blood, and certain animal and vegetable tissues.
2. any derivative of this compound.
[1855–60; < French; see xantho-, -ine2]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.xanthine - crystalline oxidation product of the metabolism of nucleoproteins; precursor of uric acid; found in many organs and in urine
organic compound - any compound of carbon and another element or a radical
Translations
xantin
Xanthin
xanthine

xan·thine

n. xantina, grupo de substancias tales como la cafeína estimulantes del sistema nervioso central y del corazón.
References in periodicals archive ?
Members voted 14-0 that the data in the four pivotal phase III trials submitted to the FDA contained enough evidence of a clinically meaningful beneficial effect of lesinurad in combination with a xanthine oxidase inhibitor (XOI) in the treatment of hyperuricemia associated with gout.
Folic acid was reported to have substantial scavenging ability against superoxide generated by the xanthine/ xanthine oxidase system, to a degree comparable to that of the superoxide dismutase mimetic tempol.
Xanthine Oxidoreductase activity in sera was determined by the method of Ackermann and Brill "as discussed by Ackermann (1974)" and Serum uric acid level was measured by enzymatic end point method supplied by Spinreact.
The urinary levels of allantoin, xanthine, hypoxanthine and total nitrogen were estimated using colorimetric methods, as specified by Chen and Gomes (1992); the total nitrogen content was estimated using the Kjeldahl method (Silva and Queiroz, 2002).
Allopurinol, xanthine and xanthine oxidase (buttermilk) were purchased from Sigma-Aldrich Chemicals (St.
The uricosuric agent probenecid was recognized as an alternative first-line agent for urate lowering in patients who could not tolerate or had a contraindication to at least one xanthine oxidase inhibitor.
In the sulfite oxidases, the pyranopterin was always very flat, whereas in the xanthine dehydrogenases, it's skewed.
Allopurinol inhibits xanthine oxidase, the enzyme that converts hypoxanthine to xanthine and xanthine to uric acid.
Bioflavonoid, rutin is a powerful radical scavenger (22) and its free radical scavenging ability may be due to its inhibitory activity on the enzyme xanthine oxidase.
Xanthine oxidase is important in the oxidation of hypoxantine to xanthine and uric acid.