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Neurosci Lett. 1998 Mar 20;244(3):157-60.

Influence of docosahexaenoic acid on cerebral lipid peroxide level in aged rats with and without hypercholesterolemia.

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1
Department of Physiology, Shimane Medical University, Izumo, Japan.

Abstract

Female Wistar rats, 100 weeks old, were divided into four groups: one group was fed a high-cholesterol diet, one received a non-cholesterol diet, and the others were fed either a non- or a high-cholesterol diet plus docosahexaenoic acid. The level of lipid peroxide (LPO) in brain tissue was measured with a LPO assay kit. Fatty acid concentrations were analyzed by gas chromatography. Brain LPO in the aged and hypercholesterolemic rats fed docosahexaenoic acid decreased in the cerebrum but not in the brain stem or cerebellum. In the cerebrum, LPO showed a decrease, with an increase in the ratio of docosahexaenoic acid to arachidonic acid. The cerebrum, unlike the other areas of the brain, was more sensitive to docosahexaenoic acid as the concentrations of LPO decreased.

PMID:
9593513
[Indexed for MEDLINE]

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