Vol 59, No 4 (2008)
Original paper
Published online: 2008-07-09

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PPAR-γ2 Pro12Ala polymorphism in the population of obese and non-obese men of the city of Wroclaw

Justyna Kuliczkowska, Alicja Filus, Anna Trzmiel, Urszula Tworowska, Marek Demissie, Diana Jedrzejuk, Andrzej Milewicz
Endokrynol Pol 2008;59(4):312-315.

Abstract

Introduction: The aim of this study was to examine the association of Pro12Ala PPARγ2 polymorphism with anthropometric and biochemical parameters defining the risk for the development of metabolic syndrome in a healthy population of men
Material and methods: The study group consisted of 176 healthy men, aged 25–65 years (average 54.16 years). Polymorphisms of the PPAR-g gene (Pro12Ala, Ala12Ala, Pro12Pro) were explored using the PCR-RFLP method. Plasma glucose, insulin, total cholesterol, LDL, HDL and TG were measured using commercially available kits.
Results: The genotypic distribution of the Pro12Ala polymorphism was as follows: Pro/Ala 69.8% (n = 123), Ala/Ala 28.4% (n = 50) and Pro/Pro 1.8% (n = 3). The Pro12Ala and Ala12Ala subjects did not differ in any of the measured variables. The non-obese (BMI < 30 kg/m2, n = 117) and obese subpopulations (BMI > 30 kg/m2, n = 56) did not significantly differ in the distribution of the genotypes. In the nonobese subpopulation, the homozygous Ala12 carriers (n = 38, 32.4%) had higher systolic blood pressure, plasma triglycerides, insulin levels and HOMA-IR.
Conclusions: We conclude that despite the high frequency of the Ala allele at the PPAR-γ2 gene in our population of Polish men, the Ala12 allele does not appear to improve insulin sensitivity or have an influence on the occurrence of obesity. It remains to be explained by larger studies if this polymorphism carries any risk of the development of metabolic abnormalities in non-obese men.

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