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Article Publish Status: FREE
Abstract Title:

Sesame Lignans Suppress Age-Related Cognitive Decline in Senescence-Accelerated Mice.

Abstract Source:

Nutrients. 2019 Jul 12 ;11(7). Epub 2019 Jul 12. PMID: 31336975

Abstract Author(s):

Satomi Shimoyoshi, Daisuke Takemoto, Yoshiko Ono, Yoshinori Kitagawa, Hiroshi Shibata, Susumu Tomono, Keiko Unno, Keiji Wakabayashi

Article Affiliation:

Satomi Shimoyoshi

Abstract:

Sesame lignans, which are biologically active compounds present in sesame seeds and oil, are known to have neuroprotective effects in several models of brain dysfunction. However, the effects of sesame lignans on age-related brain dysfunction are not clear and were thus investigated in the present study using a senescence-accelerated mouse (SAMP10). Two-month-old male SAMP10 mice were administrated a basal diet with 0% or 0.05% sesame lignans for two months, or with 0%, 0.02%, or 0.05% sesame lignans for 10 months and subjected to step-through passive avoidance tasks and forced swim tests. Reactive carbonyl species (RCs) were evaluated as markers of oxidative stress using a recently developed comprehensive analytical method. Both learning time in passive avoidance tasks and immobile time in forced swim tests became longer with aging (<0.05). However, the administration of sesame lignans significantly ameliorated age-related effects in both tests (<0.05). Age-related increases in RCs such as 4-hydroxy-2-nonenal in the cerebral cortex and liver were reduced in mice fed sesame lignans. These results suggest that sesame lignans can prevent age-related brain dysfunction via anti-oxidative activity.

Study Type : Animal Study

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