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Abstract Title:

Maternal Chronic Folate Supplementation Ameliorates Behavior Disorders Induced by Prenatal High-Fat Diet Through Methylation Alteration of BDNF and Grin2b in Offspring Hippocampus.

Abstract Source:

Mol Nutr Food Res. 2017 12 ;61(12). Epub 2017 Oct 26. PMID: 28921898

Abstract Author(s):

Zhonghai Yan, Fei Jiao, Xiaoshuang Yan, Hailong Ou

Article Affiliation:

Zhonghai Yan

Abstract:

SCOPE: Maternal consumption of a high-fat diet (HFD) during pregnancy increases the risk of behavioral problems. Folate plays an important role in neuroplasticity and the preservation of neuronal integrity. This study aims at determining the influence of diets supplemented with folate on offspring behavior, and the mechanisms involved.

METHODS AND RESULTS: Female mice were fed a control diet, an HFD, control diet supplemented with folate, or an HFD supplemented with folate for 5 weeks before mating. Open field task and elevated plus maze are used to evaluate the offspring behaviors. Results showed that offspring cognitive performance and anxiety-related behaviors, including those related to open field exploration and elevated plus maze, were significantly improved when dams were treated with folate in pregnancy. Moreover, the maternal folate supplement decreased BDNF and Grin2b methylation and upregulated their expressions in the brain of offspring, which were associated with decreasing the expression of DNA methyltransferases compared with those dams were treated only HFD in pregnancy.

CONCLUSION: Maternal folate supplementation ameliorates behavior disorders induced by prenatal high-fat diet. The beneficial effects were associated with methylation and expression alteration of BDNF and Grin2b genes.

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