期刊
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
卷 32, 期 24, 页码 4120-4127出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14767058.2018.1481952
关键词
Gene expression; gestational diabetes; insulin; lipid; supplementation
资金
- Elite Researcher Grant Committee under National Institutes for Medical Research Development (NIMAD), Tehran, Iran [963228]
Objective: The aim of this study was to determine the effects of zinc and vitamin E cosupplementation on metabolic status and gene expression related to insulin and lipid metabolism in women with gestational diabetes mellitus (GDM). Methods: Fifty-four women, in the age range of 18-40 years, diagnosed with GDM were recruited for this randomized, double-blinded, placebo-controlled trial. Subjects were randomly allocated into two intervention groups to either taking 233 mg/day Zinc Gluconate plus 400-IU/day vitamin E supplements or placebo (n = 27 each group) for 6 weeks. Gene expression related to insulin and lipid metabolism was evaluated in peripheral blood mononuclear cells (PBMCs) of women with GDM using RT-PCR method. Results: Participants who received zinc plus vitamin E supplements had significantly lower serum insulin levels (beta = -3.81; 95% CI, -5.90, -1.72; p = .001), homeostasis model of assessment-insulin resistance (beta = -0.96; 95% CI, -1.54, -0.38; p = .002), serum total-cholesterol (beta = -8.56; 95% CI, -16.69, -0.43; p = .03) and low density lipoprotein-cholesterol (LDL)-cholesterol (beta = -8.72; 95% CI, -15.27, -2.16; p = .01), and higher quantitative insulin sensitivity check index (beta = 0.01; 95% CI, 0.005, 0.02; p = .007) compared with the placebo. Moreover, zinc and vitamin E cosupplementation upregulated gene expression of peroxisome proliferator-activated receptor gamma (PPAR-gamma; p = .03) and low-density lipoprotein receptor (LDLR; p = .04) compared with the placebo. Though, zinc and vitamin E combination did not affect other metabolic parameters. Conclusions: Overall, zinc and vitamin E cosupplementation for 6 weeks in women with GDM significantly improved insulin metabolism, lipid profile, and the gene expression levels of PPAR-gamma and LDLR.
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