F2-isoprostanes are prostaglandin-like compounds derived from free radical-catalysed peroxidation of arachidonic acid. Peroxidation of eicosapentaenoic acid produces F3-isoprostanes, whereas peroxidation of docosahexaenoic acid would give F4-isoprostanes. This study demonstrates the presence of esterified F4-isoprostanes in human brain and shows that levels are elevated in certain brain cortex regions in Alzheimer's disease. Our data with Alzheimer's disease suggest that analysis of F4-isoprostanes will provide new opportunities to study lipid peroxidation in the neurodegenerative diseases.
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| http://dx.doi.org/10.1046/j.1471-4159.1999.0720734.x | DOI Listing |
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