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J Alzheimers Dis ; 83(1): 143-154, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34275902

RESUMO

BACKGROUND: Alzheimer's disease (AD) is characterized by the accumulation of the amyloid-ß peptide in the brain, leading to early oxidative stress and neurotoxicity. It has been suggested that physical exercise could be beneficial in preventing AD, but studies with multicomponent training are scanty. OBJECTIVE: Verify the effects of multicomponent exercise training to prevent deficits in recognition memory related to Aß neurotoxicity. METHODS: We subjected Wistar rats to multicomponent training (including aerobic and anaerobic physical exercise and cognitive exercise) and then infused amyloid-ß peptide into their hippocampus. RESULTS: We show that long-term multicomponent training prevents the amyloid-ß-associated neurotoxicity in the hippocampus. It reduces hippocampal lipid peroxidation, restores antioxidant capacity, and increases glutathione levels, finally preventing recognition memory deficits. CONCLUSION: Multicomponent training avoids memory deficits related to amyloid-ß neurotoxicity on an animal model.


Assuntos
Peptídeos beta-Amiloides/toxicidade , Modelos Animais de Doenças , Transtornos da Memória/prevenção & controle , Síndromes Neurotóxicas , Condicionamento Físico Animal , Animais , Encéfalo , Hipocampo/metabolismo , Peroxidação de Lipídeos/fisiologia , Masculino , Estresse Oxidativo/fisiologia , Ratos , Ratos Wistar , Técnicas Estereotáxicas
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