نتایج جستجو برای: gamma tocopherol
تعداد نتایج: 129201 فیلتر نتایج به سال:
Angiotensin II (ANG II), a product of renin-angiotensin system activation, enhances collagen synthesis, which is a key event in cardiac remodeling after myocardial infarction. Inhibition of cardiac remodeling is now a target of multiple therapies, including 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors, commonly known as statins, and peroxisome proliferator-activated receptor-gamma...
We report a comparison of natural and synthetic vitamin E in humans using deuterium labeling to permit the two forms of vitamin E to be measured independently in plasma and tissues of each subject. Differences in natural and synthetic vitamin E concentrations were measured directly under equal dosage conditions using an equimolar mixture of deuterated RRR-alpha-tocopheryl acetate and all-rac-al...
This study was conducted to evaluate the potency of the newly prepared germanium L-cysteine-alpha-tocopherol complex [germanium dichloro tetrakis (L-cysteinyl-alpha-tocopherol amide) dichloride] as a protective agent against gamma-irradiation-induced free radicals production and liver toxicity. Male Swiss albino rats were injected intraperitoneally with the germanium complex in a concentration ...
Cyclooxygenase (COX-1/COX-2)-catalyzed eicosanoid formation plays a key role in inflammation-associated diseases. Natural forms of vitamin E are recently shown to be metabolized to long-chain carboxychromanols and their sulfated counterparts. Here we find that vitamin E forms differentially inhibit COX-2-catalyzed prostaglandin E(2) in IL-1beta-stimulated A549 cells without affecting COX-2 expr...
BACKGROUND Cigarette smoking, a major risk factor for oropharyngeal cancer, is reported to alter oral levels of carotenoids and tocopherols. Such effects may be important because these nutrients, as well as retinoids, are putative chemoprotective agents. OBJECTIVES To determine whether chronic smoking is associated with altered concentrations of these nutrients in serum and buccal mucosa; to ...
We examined the radioprotective and mitigative effects of gamma-tocopherol-N,N-dimethylglycine ester (GTDMG), a novel water-soluble gamma-tocopherol derivative, against X-irradiation-induced bone marrow death in mice. Mice (C3H, 10 weeks, male) were injected intraperitoneally with GTDMG suspended in a 0.5% methyl cellulose solution before or after receiving of 7.5-Gy whole body X-irradiation. G...
The mortality in coronary heart disease among 50- to 54-year-old men is 4 times higher in Lithuania than in Sweden. It was recently suggested that traditional risk factors could not explain this mortality difference. LDL of Lithuanian men showed, however, a lower resistance to oxidation than that of Swedish men. In addition, the plasma concentration of gamma-tocopherol, lycopene, and beta-carot...
abstract: in this study the non-saponifiable matter of oils extracted from nine varieties of sunflower seed were subjected a series of chemical tests. the non-saponifiable matters were fractionated into a number of chemical classes of compounds namely sterols, 4 methyl sterols, triterpene alcohols, tocopherols and hydrocarbons. the two major and important classes of compounds consisting of ster...
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