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KMID : 0361520060170050423
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Korean Journal of Psychopharmacology
2006 Volume.17 No. 5 p.423 ~ p.428
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Association Study of -2548A/G Polymorphism of Leptin Gene with Antipsychotics-Induced Weight Gain
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류승형/Ryu SH
장원석/조은영/김신겸/이동수/홍경수/Jang WS/Cho EY/Kim SK/Lee DS/Hong KS
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Abstract
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Objectives : Leptin, the product of ob gene, is secreted by adipocytes and signals the size of peripheral fat stores to the brain. Several evidences indicate that a polymorphism in the promoter region (-2548A/G) of leptin gene is associated with antipsychotics-induced weight gain. This study aims at investigating the association between the -2548A/G polymorphism of leptin gene and antipsychotics-induced weight gain in Korean schizophrenia patients.
Methods :Seventy one patients with schizophrenia were recruited. All of the subjects were antipsychotics-naive or free of antipsychotic drugs for the previous 3 months. Genotyping was done for the -2548A/G polymorphism of leptin gene. Body mass index (BMI) was measured at baseline, after 4 weeks and after 8 weeks of antipsychotic drug treatment. The subjects were grouped on the basis of the presence or absence of the G allele (AA vs. AG/GG) and two-sided t tests for independent samples was used to analyze the relationship between two genotype groups and BMI change. And a chi-square analysis was conducted to test the association between the allele type and BMI change.
Results : We could not find any association between the -2548A/G polymorphism of leptin gene and antipsychotics-induced weight gain.
Conclusion : Our data do not support the involvement of the -2548A/G polymorphism of leptin gene in antipsychotics-induced weight gain in the acute treatment phase.
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