Journal
JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS
Volume 10, Issue 1-2, Pages 19-31Publisher
KARGER
DOI: 10.1159/000469663
Keywords
Epigenetics; Germinated brown rice; gamma-Aminobutyric acid; Insulin resistance
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Funding
- PadiBeras Nasional Berhad (BERNAS)
- Universiti Putra Malaysia [63536]
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Background: Numerous studies have reported on the influence of diet on insulin resistance. Our study provides insight into the effect of germinated brown rice (GBR) and gamma-aminobutyric acid (GABA) on early environment-driven programming and susceptibility to insulin resistance in rat offspring. Methods: Male rat offspring from female Sprague-Dawley rats fed with a high-fat diet (HFD) alone, HFD + GBR, or HFD + GABA extract throughout pregnancy and lactation were weaned 4 weeks after delivery and followed up for 8 weeks. A biochemical analysis and an assessment of the hepatic expression of insulin signaling genes were performed. Results: The results showed that intrauterine exposure to HFD caused metabolic perturbations in rat offspring which gravitated towards insulin resistance even though the rat offspring did not consume an HFD. GBR and GABA attenuated the HFD-induced changes by underlying regulation of the insulin signaling genes. Conclusions: The results suggest that intake of GBR and GABA during pregnancy and lactation can influence the programming of genes in rat offspring, thereby enhancing insulin sensitivity. (C) 2017 S. Karger AG, Basel
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