xanthine

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Related to Methylxanthine: caffeine, aminophylline, Xanthines
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crystalline oxidation product of the metabolism of nucleoproteins

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References in periodicals archive ?
They were breathing spontaneously and were predicted to be administered with methylxanthine either therapeutically or prophylactically for AOP.
Importantly, the above-formulated molecular mechanisms of methylxanthine action, as well as the cytotoxic effects, have been reported specifically for the group of aromatic intercalators and are commonly not observed for nonaromatic compounds.
Pentoxifylline (PTX), a methylxanthine derivative, specially blocks the synthesis of TNF-a, among other cytokines, by inhibiting gene transcription, thereby reducing the accumulation of TNF-a mRNA.
Pentoxifylline (PTX) is a methylxanthine derivative and phosphodiesterase inhibitor, which inhibits the generation of mRNA for TNF-[alpha] in vitro and decreases the in vivo production of TNF-[alpha] in humans and in experimental animals [4].
Pentoxifylline, a methylxanthine inhibiting the activity of tumor necrosis factor [alpha] (TNF[alpha]), an important component in the X-ALD inflammatory response, has been recently used in the treatment of X-ALD.
Pentoxifylline: Pentoxifylline is a methylxanthine that has been postulated to improve outcomes in sepsis through modulating the activity of the reticuloendothelial system and decreasing the neutrophil activation that contributes to acute tissue injury.
The methylxanthine beverages andfoods : chemistry, composition, and health effect.
The news emerged on the day Bolt's training partner Yohan Blake, who tested positive for methylxanthine in June, was withdrawn from the Jamaican team.
Sprinters Yohan Blake, Marvin Anderson and Sheri-Ann Brooks as well as Allodin Fothergill and Lansford Spence had tested positive for the stimulant methylxanthine.
The maturity variables were days off incubator, days off gavage feeding, days without apnea, days without bradycardia, days since last methylxanthine exposure, days off oxygen, and a combined exponential smoothing variable for all six smoothed dimensions.
Both sympathomimetic and diuretic actions of caffeine lead to a putative dehydrating action, based on the distribution of methylxanthine into all body fluid compartments.
Acetazolamide, methylxanthine derivatives, nicotine, opioid antagonists, and medroxyprogesterone have all been evaluated for treatment of OSA, but none were found effective.
Humans tolerate chocolate mainly because of the speed at which their bodies break down theobromine, the most abundant methylxanthine.
Subjects were required to refrain from Midol[R], diet pills, or any other caffeine or methylxanthine containing substances (chocolate, coffee, Mountain Dew, Coca Cola, Pepsi, or other power exercise beverages) for at least 24 hours before each testing session.