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Background: Metabolic syndrome (MetS) is a serious public health problem and one of the important risk factors contributing to cardiovascular disease in developed countries. Adipose tissue is considered a secretory organ that releases a variety of molecules referred to adipocytokines such as leptin, so polymorphism of these protein genes may play an important role in development of MetS. Therefore, the aim of this study was to determine the genetic varieties of Lep-2548G/A between MetS and healthy subjects.
Methods: In this case-control study, the relationship between LEP G-2548A polymorphism and MetS was evaluated in Iranian participants, 200 patients (142 women and 58 men) and 200 controls (122 women and 78 men) who were randomly selected from Hamadan city. Blood samples were collected; moreover, routine biochemical analysis, DNA extraction, and serum leptin measurements were done. LEP G-2548A genotypes were identified by a PCR-RFLP technique.
Results: Our findings showed significant differences between biochemical factors and leptin concentration between two groups. Females show more serum leptin concentration than males. There was no significant difference in polymorphism of Lep-2548G/A between MetS and healthy subjects. Although we cannot find any correlation between leptin concentration and BMI, some relation exists with LDL-C, HDL-C and TG (p < 0.05).
Conclusions: In summary, it is concluded that leptin probably has a key role in metabolic syndrome development and further research in this area is needed.
DOI: 10.7754/Clin.Lab.2013.130507
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