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논문분류	춘계학술대회 초록집
제목	Gene Polymorphisms of Leptin Receptor (LEPR) are associated with the Risk of Post-transplantation Diabetes Mellitus
저자	Seul Ki Kim1, Ji Yoon Park1, Se Yun Kim1, Yang Gyun Kim1, Ju Young Moon1,Sang Ho Lee1, Chun Gyoo Ihm1, Tae Won Lee1, Kyung Hwan Jeong1,Sun Woo Kang2, Tae Hee Kim2, Seok Ju Park2, Yeong Hoon Kim2
출판정보	2014; 2014(1):
키워드	렙틴, 렙틴 수용체 다형성, 이식후 당뇨병, 이식
초록	Background: Posttransplantation diabetes mellitus (PTDM) is a serious metabolic complication after renal transplantation. Leptin has an important role in the regulation of fat metabolism and glucose uptake. Although the links of insulin resistance and genetic variants at leptin (LEP) and leptin receptor gene (LEPR) were reported, relatively no studies have investigated the associations of PTDM. In this study, we investigated whether single nucleotide polymorphisms in LEP and LEPR have any association with PTDM in renal transplant recipients. Methods: A total of 301 patients who had received kidney transplants without previously diagnosed diabetes were included. We analyzed the association between the PTDM development and the 5 SNPs within LEP and LEPR. Results: Of 301 subjects, PTDM developed in 48 patients (15.9%). Patients in the PTDM group were older than those in the non-PTDM group. The sex ratio and BMI between two groups were similar. The percentage of steroid-treated acute rejection episodes and using tacrolimus were not significant different between the two groups. The patients with PTDM had significantly higher allele frequency of the LEPR rs1137100*G allele. We also observed significant higher distribution of A/A plus G/A genotypes of LEPR rs1137100 in PTDM subjects than in control subjects under a dominant model. Of four SNPs, the rs2167270 and rs13228377 of the LEP gene and the rs1327118 and rs3806318 of the LEPR were not significantly associated with the development of PTDM. Conclusion: Our data suggests that genetic variants of LEPR might have an essential role in the pathogenesis of PTDM.
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