Neurotoxic effects of repetitive inhibition of oxidative phosphorylation in young adults surfacing with deficits of spatial learning in old age

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Abstract

Little is known about whether events in youth impact performance in old age. We examined spatial navigation in young (4.5 months) and middle-aged (9 months) CD-1 mice in a complex maze after treatment with 3-nitropropionate (3-np; 20 mg/kg body weight; 9 injections intraperitoneally [i.p.] every other day). Young mice treated with 3-np were examined in a mirror version of this maze in old age (22 months) and with a nonreference memory task of an eight-arm radial maze. The performance of young mice was affected to a small degree by treatment with 3-np. However, the performance of middle-aged mice severely declined on 3-np treatment. Animals treated at a young age with 3-np showed learning deficits in old age for both the complex maze and the radial maze. We conclude that exposure to repetitive inhibition of oxidative phosphorylation in youth leads to impairment of spatial learning surfacing in old age. Copyright 2007 by The Gerontological Society of America.

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APA

Lohmann, P., & Riepe, M. W. (2007). Neurotoxic effects of repetitive inhibition of oxidative phosphorylation in young adults surfacing with deficits of spatial learning in old age. Journals of Gerontology - Series A Biological Sciences and Medical Sciences, 62(12), 1352–1356. https://doi.org/10.1093/gerona/62.12.1352

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