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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Procyanidin B2 protects against d-galactose-induced mimetic aging in mice: Metabolites and microbiome analysis.

Abstract Source:

Food Chem Toxicol. 2018 Sep ;119:141-149. Epub 2018 May 8. PMID: 29751077

Abstract Author(s):

Ying Xiao, Jialin Dong, Zhiting Yin, Qiguo Wu, Yiming Zhou, Xiaoli Zhou

Article Affiliation:

Ying Xiao

Abstract:

To elucidate the possible mechanisms for the preventive effect of procyanidin B2 on aging, a combined analysis of metabolic profile and gut microbiome was carried out in the present study. The mimetic aged mice induced by d-galactose injection (500 mg/kg, sc daily), and the preventive group was fed with the diet plus 0.2% procyanidin B2. After 7 weeks of treatment, the spatial memory was assayed using the Morris water maze test. Procyanidin B2 significantly ameliorated the impaired memory and antioxidant abilities induced by d-galactose. Furthermore, metabolomics analysis of plasma based on LC/Q-TOF-MS demonstrated that phosphatidyl cholines, oleic acid, linoleic acid, carnitine, pantothenic acid, and taurocholic acid were significantly increased in the mice treated with procyanidin B2, and pyruvic acid, hydroxybutyric acid, hippuricacid, and cholic acid were decreased significantly. Together, gut microbiome analysis using Illumina sequencing showed that there were significant differences in the Firmicutes/Bacteroidetes ratio and abundance of Roseburia, Lachnospiraceae, and Bifidobacterium between the aging and supplemental procyanidin B2 groups. In summary, procyanidin B2 possessed potential prevention of the cognitive and oxidative impairment via the metabolic pathway regulation related to citrate cycle, fatty acid, and bile acid in the aged mice, accompanied by remodeling the gut flora.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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