期刊
JOURNAL OF HUMAN NUTRITION AND DIETETICS
卷 35, 期 4, 页码 722-730出版社
WILEY
DOI: 10.1111/jhn.12975
关键词
high-fat hypocaloric diet; insulin resistance; resistin; rs10401670 gene variant
In this study, the T allele of the rs10401670 RETN gene polymorphism showed a significant association with improved response in insulin resistance, triglycerides, and C-reactive protein compared to non T allele carriers after weight loss with a high-fat hypocaloric diet and a Mediterranean diet.
Background The single nucleotide polymorphism (SNP) (rs10401670) of the RETN gene has been associated with metabolic disorder in obese subjects and has scarcely been evaluated after dietary interventions. The present study aimed to analyse the effects of the rs10401670 RETN gene polymorphism on metabolic changes secondary to weight loss and secondary to a high-fat hypocaloric diet with a Mediterranean dietary pattern. Methods A Caucasian population comprising 284 obese patients without diabetes mellitus was analysed. Before and after 3 months of a high-fat hypocaloric diet with a Mediterranean pattern, an anthropometric evaluation, an assessment of nutritional intake and a biochemical analysis were performed. A statistical analysis was conducted for the combined CT and TT as a group and for wild-type CC as a second group. Results Decreases in weight, body mass index (BMI), fat mass, systolic blood pressure and waist circumference were similar in both genotypes groups. In T allele carriers, insulin, homeostatic model assessment for insulin resistance (HOMA-IR), triglycerides and C-reactive protein levels were decreased. The decrease in these parameters was statistically significant for triglycerides (-22.3 +/- 9.3 mg dl(-1): p = 0.03), C-reactive protein (-2.8 +/- 0.5 mg dl(-1): p = 0.03), insulin (-7.4 +/- 2.9 mUI L-1: p = 0.03) and HOMA-IR (-2.4 +/- 1.0: p = 0.02). Leptin levels were decreased in both genotypes groups after the hypocaloric diet, as well as the anthropometric parameters BMI, weight, waist circumference and fat mass. Resistin and adiponectin levels remained unchanged in both groups. Conclusions In the present study, we have detected a significant association between the T allele of this SNP and a better response of insulin resistance, triglycerides and C-reactive protein compared to non T allele carriers after weight loss with a high-fat hypocaloric diet and a Mediterranean diet.
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