Spin trapping of oxygen-centered lipid radicals in liver of oxidized oil-dosed rats.
نویسندگان
چکیده
منابع مشابه
Spin trapping of free radicals during hepatic microsomal lipid peroxidation.
We have used spin-trapping techniques to identify radical species formed during the NADPH-stimulated peroxidation of rat hepatic microsomes. Using 5,5-dimethyl-1-pyrroline-1-oxide, we have confirmed the presence of substantial quantities of superoxide but found evidence for the formation of only small quantities of hydroxyl radical. Use of the spin traps N-tert-butyl-alpha-4-pyridylnitrone-1-ox...
متن کاملLipid radicals: properties and detection by spin trapping.
Unsaturated lipids are rapidly oxidized to toxic products such as lipid hydroperoxides, especially when transition metals such as iron or copper are present. In a Fenton-type reaction Fe2+ converts lipid hydroperoxides to the very short-lived lipid alkoxyl radicals. The reaction was started upon the addition of Fe2+ to an aqueous linoleic acid hydroperoxide (LOOH) emulsion and the spin trap in ...
متن کاملDetection of the production of oxygen-centered free radicals by human neutrophils using spin trapping techniques: a critical perspective.
Human neutrophils generate oxygen reduction products as a consequence of membrane interactions with a number of stimuli. One oxygen-centered free radical (superoxide) has been unequivocally shown to result from this "respiratory burst," and some experimental evidence for another (hydroxyl radical) has been published, although debate remains as to its significance. The role of phagocyte-derived ...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1985
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.49.3081