Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stre...

연구 요약

Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial.

Phytotherapy research : PTR 학술지에 발표된 이 연구는 Mahjabeen W, Khan DA, Mirza SA 외 연구팀이 수행하였습니다.

이 연구는 'Effects of delta-tocotrienol supplementation on Glycemic Control, oxidative stress, inflammatory biomarkers and miRNA expression in type 2 diabetes mellitus: A randomized control trial.'에 대한 과학적 분석을 제공합니다.

핵심 내용

The study aimed to ascertain the effects of delta-tocotrienol (δT3) supplementation on glycemic control, oxidative stress, inflammation and related micro-ribonucleic acid (miRNA) expression in patients with type 2 diabetes mellitus (T2DM). Total 110 patients of T2DM on oral hypoglycemic agents, were randomly divided into tocotrienol and placebo groups and given 250 mg δT3 or cellulose soft gel capsule once daily respectively for 24 weeks. Glycemic control, oxidative stress, inflammatory biomarkers, and miRNAs expression were measured in serum at baseline and end of the intervention by using standard laboratory methods. Compared to the placebo, δT3 supplementation resulted in a significant (p ≤ .05) reduction [mean difference (95% confidence interval)] in plasma glucose [-0.48 (-0.65, -0.30)], insulin [-1.19 (-1.51, -0.87)], homeostatic model assessment of insulin resistance [-0.67 (-0.86, -0.49)], glycosylated hemoglobin [-0.53 (-0.79, -0.28)], malondialdehyde [-0.34 (-0.45, -0.22)], high sensitive-C-reactive protein[-0.35 (-0.54, -0.16)], tumor necrosis factor-alpha [-1.22 (-1.62, -0.83)], and interleukin-6[-2.30 (-2.91, -1.68)]. More than twofold downregulation in miRNA-375, miRNA-34a, miRNA-21, and upregulation in miRNA-126, miRNA-132 expression was observed in the δT3 group compared to the placebo. The study demonstrated that δT3 supplementation in addition to oral hypoglycemic agents, improved glycemic control, inflammation, oxidative stress, and miRNA expression in T2DM without any adverse effect. Thus, δT3 might be considered as an effective dietary supplement to prevent long-term diabetic complications.

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