Annatto-extracted tocotrienols improve glucose homeostasis and bone properties in high-fat diet-induced type 2 diabetic mice by decreasing the inflammatory response

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dc.creatorShen, Chwan Li (TTUHSC)
dc.creatorKaur, Gurvinder (TTUHSC)
dc.creatorWanders, Desiree
dc.creatorSharma, Shaligram
dc.creatorTomison, Michael D. (TTUHSC)
dc.creatorRamalingam, Latha (TTU)
dc.creatorChung, Eunhee
dc.creatorMoustaid-Moussa, Naima (TTU)
dc.creatorMo, Huanbiao
dc.creatorDufour, Jannette M. (TTUHSC)
dc.date.accessioned2023-07-27T15:04:07Z
dc.date.available2023-07-27T15:04:07Z
dc.date.issued2018
dc.description© 2018, The Author(s). cc-by
dc.description.abstractDiabetes is a risk factor for osteoporosis. Annatto-extracted tocotrienols (TT) have proven benefits in preserving bone matrix. Here, we evaluated the effects of dietary TT on glucose homeostasis, bone properties, and liver pro-inflammatory mRNA expression in high-fat diet (HFD)-induced type 2 diabetic (T2DM) mice. 58 male C57BL/6 J mice were divided into 5 groups: low-fat diet (LFD), HFD, HFD + 400 mgTT/kg diet (T400), HFD + 1600 mgTT/kg diet (T1600), and HFD + 200 mg metformin/kg (Met) for 14 weeks. Relative to the HFD group, both TT-supplemented groups (1) improved glucose homeostasis by lowering the area under the curve for both glucose tolerance and insulin tolerance tests, (2) increased serum procollagen I intact N-terminal propeptide (bone formation) level, trabecular bone volume/total volume, trabecular number, connectivity density, and cortical thickness, (3) decreased collagen type 1 cross-linked C-telopeptide (bone resorption) levels, trabecular separation, and structure model index, and (4) suppressed liver mRNA levels of inflammation markers including IL-2, IL-23, IFN-γ, MCP-1, TNF-α, ITGAX and F4/80. There were no differences in glucose homeostasis and liver mRNA expression among T400, T1600, and Met. The order of osteo-protective effects was LFD ≥T1600 ≥T400 = Met >HFD. Collectively, these data suggest that TT exerts osteo-protective effects in T2DM mice by regulating glucose homeostasis and suppressing inflammation.
dc.identifier.citationShen, C.-L., Kaur, G., Wanders, D., Sharma, S., Tomison, M.D., Ramalingam, L., Chung, E., Moustaid-Moussa, N., Mo, H., & Dufour, J.M.. 2018. Annatto-extracted tocotrienols improve glucose homeostasis and bone properties in high-fat diet-induced type 2 diabetic mice by decreasing the inflammatory response. Scientific Reports, 8(1). https://doi.org/10.1038/s41598-018-29063-9
dc.identifier.urihttps://doi.org/10.1038/s41598-018-29063-9
dc.identifier.urihttps://hdl.handle.net/2346/95244
dc.language.isoeng
dc.titleAnnatto-extracted tocotrienols improve glucose homeostasis and bone properties in high-fat diet-induced type 2 diabetic mice by decreasing the inflammatory response
dc.typeArticle

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