Journal
DISEASE MARKERS
Volume 2013, Issue -, Pages 673-677Publisher
HINDAWI LTD
DOI: 10.1155/2013/216279
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Funding
- Gaziosmanpas, a University Research Fund [2010/97]
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Objective. Obesity is a complex heterogeneous disease that is caused by genes, environmental factors, and the interaction between the two. The leptin (LEP) and leptin receptor (LEPR) genes have been evaluated for polymorphisms that could potentially be related to the pathophysiology of obesity and its complications. The aim of this study was to investigate the role of LEP G2548A and LEPR 668A/G polymorphisms in the pathogenesis of obesity. Subjects. The study included 127 patients with obesity and 105 healthy controls. Polymerase chain reaction and restriction fragment length analysis for LEP G2548A and LEPR 668A/G polymorphisms were applied. Results. There was no statistically significant difference in the genotype frequencies of the LEP gene polymorphism between patients and control groups (P > 0.05). We found a difference in the LEPR genotypes between patients and controls, but this was not statistically significant (P = 0.05). Additionally, we found an increased risk of obesity in the LEP/LEPR GG/GG combined genotype (P < 0.05). Conclusion. Our findings indicate that the LEP G2548A polymorphism is not a relevant obesity marker and that the LEPR 668A/G polymorphism may be related to obesity in a Turkish population. Further researches with larger patient population are necessary to ascertain the implications of LEP and LEPR polymorphisms in obesity.
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