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FABP2 Ala54Thr Polymorphism and Post-Training Changes of Body Composition and Biochemical Parameters in Caucasian Women.

ABSTRACT: The functional FABP2 Ala54Thr polymorphism (rs1799883) is strongly associated with lipid and carbohydrate metabolism, although the function of its potential modifying effect on training-induced changes in obesity-related parameters is still unknown. The aim of the present study was to investigate the influence of the Ala54Thr polymorphism on post-training changes of selected body mass and body composition measurements, as well as with biochemical parameters of energy metabolism. Accordingly, alleles and genotypes distribution in a group of 168 young, nonobese Caucasian women measured for chosen body composition parameters, lipid profile, and glucose levels before and after the completion of a 12-week aerobic training program were studied. Although the obtained results showed changes in body mass, BMI, FM, %FM, FFM, TBW, HDL-C, and glucose levels during the training program, none of the examined parameters changed significantly across the FABP2 genotypes. Instead, we found a main effect of genotype on BMI (p = 0.033), with carriers of the Thr54 allele having a higher BMI during the whole study period compared with the Ala54 carriers. We confirm that the FABP2 Ala54Thr polymorphism may help identify women at risk for overweight and obesity. However, we did not notice evidence of an interaction between physical activity and the Ala54Thr polymorphism on the examined parameters.

SUBMITTER: Leonska-Duniec A

PROVIDER: S-EPMC8305881 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background/aimsLow glycemic index (GI) diets may have beneficial effects on glycemic control and serum lipid levels in patients with type 2 diabetes, but whether its effect is affected by polymorphisms of genes associated with lipid metabolism remains unclear. This study investigated whether the effects of a low-GI diet on serum lipids and glycemic control in patients with diabetes are associated with polymorphisms of FABP2 Ala54Thr (rs1799883).MethodsA retrospective study was conducted involving 165 patients with type 2 diabetes mellitus (T2DM) who participated in two completed trials. Parameters reflecting the glycemic control, inflammatory factors, and fasting plasma lipids before and after intervention were measured, and the polymorphism of rs1799883 for each participant was genotyped using a Mas-sARRAY. Differences between the genotypes of rs1799883 before or after the intervention were compared, and changes in the lipid profiles, glycemic control, inflammatory profiles, and dietary intake from baseline were analyzed using an analysis of covariance (generalized linear model).ResultsWhen the data were analyzed as a whole, after 4-5 weeks of similar low-GI diet intervention, we found that the decrease of triglycerides (TG) in the homozygous Ala54 carriers was more significant than that in the Thr54 allele carriers ([-0.58±1.24] vs [-0.14±1.08], P=0.015) with the adjustment for potential confounding factors; furthermore, compared with the Thr54 carriers, there was a significant trend in the decrease of total cholesterol (TC) in the homozygous Ala54 carriers (P=0.057). Subgroup analysis revealed that in women the homozygous Ala54 carriers exhibited a significant decrease of serum TG, TC, fasting blood glucose, and glycated albumin in women, but this was not noted in men.ConclusionThe effect of FABP2 Ala54Thr polymorphism on response to blood lipids and gly-cemic control in low-GI diets is associated with gender among Han Chinese patients with T2DM.

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FABP2 Ala54Thr Polymorphism and Post-Training Changes of Body Composition and Biochemical Parameters in Caucasian Women.

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