Abstract Title:

Protective Effects of Sesamol on Systemic Inflammation and Cognitive Impairment in Aging Mice.

Abstract Source:

J Agric Food Chem. 2020 Feb 18. Epub 2020 Feb 18. PMID: 32067456

Abstract Author(s):

Bo Ren, Tian Yuan, Xinglin Zhang, Luanfeng Wang, Junru Pan, Yan Liu, Beita Zhao, Weiyang Zhao, Zhigang Liu, Xuebo Liu

Article Affiliation:

Bo Ren


Sesamol, a lignan in sesame, possesses several bioactivities, such as antioxidation, anti-inflammation, and neuroprotective capability. In this study, the effects of sesamol on aging-caused cognitive defects are investigated. Twelve-month-old mice were treated with sesamol (0.1%,/) as dietary supplementation for 12 weeks. Behavioral tests revealed that sesamol improved aging-associated cognitive impairments. Sesamol decreased aging-induced oxidative stress via suppression of malondialdehyde production and increased antioxidant enzymes. Histological staining showed that sesamol treatment improved aging-induced neuronal damage and synaptic dysfunction in hippocampus. Furthermore, sesamol significantly reduced aging-induced neuroinflammation by inhibiting the microglial overactivation and inflammatory cytokine expressions. Meanwhile, the accumulation of Aβwas reduced by sesamol treatment. Moreover, sesamol protected the gut barrier integrity and reduced LPS release, which was highly associated with its beneficial effects on behavioral and inflammatory changes. In conclusion, our findings indicated that the use of sesamol is feasible in the treatment of aging-related diseases.

Study Type : Animal Study

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