湖南汉族1型糖尿病患者杀伤细胞免疫球蛋白样受体及其配体基因多态性  被引量:5

Killer cell immunoglobin-like receptor and its ligand gene polymorphisms in Hunan Han patients with type 1 diabetes

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作  者:谭愈昱[1] 林健[1] 黄干[1] 唐炜立[1] Saikiran K Sedimbi Carani B Sanjeevi 周智广[1] 

机构地区:[1]中南大学湘雅二医院代谢内分泌研究所、中南大学糖尿病中心、中南大学代谢综合征研究中心,长沙410011 [2]999027 Sweden, Molecular Immunogenetics Division, Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska University Hospital

出  处:《中华医学杂志》2010年第4期236-240,共5页National Medical Journal of China

基  金:欧洲糖尿病研究基金(EFSD2008);国家自然科学基金(30670991,30600298);国家“973”重点基础研究发展计划子课题项目(2006CB503901)

摘  要:目的探讨杀伤细胞免疫球蛋白样受体(KIR)基因和KIR配体人类白细胞抗原-C(HLA—C)基因的多态性与1型糖尿病(T1DM)的关系。方法采用聚合酶链反应-序列特异性引物技术(PCR—SSP),对湖南汉族180例TIDM患者和199例正常对照者KIR基因、HIA—C基因进行检测和分析。结果(1)与正常对照相比,T1DM组KIR2DL1(98.9%比92.0%,OR=7.78,P=0.002)、3DL1(94.3%比86.4%,OR=2.67,P=0.009)和2DS4(83.9%比70.9%,OR=2.14,P=0.003)基因频率增高;(2)T1DM组和正常对照组HIJA—c(HIJA—C1、HLA—C2)基因频率差异无统计学意义,但T1DM组HLAC1+/C2+(3.9%比9.6%,OR=0.38,P=0.03)基因频率降低;(3)与正常对照组相比,T1DM组KIR/HLA-C基因组合中KIR2DL1-/HLA-C2-(0.6%比6.0%,OR=0.087,P=0.003)和KIR2DS1-/HLA—C2-(53.3%比64.8%,OR=0.62,P=0.023)基因频率降低。结论KIR基因多态性和KIR/HLA—C基因组合与T1DM发病相关。Objective To investigate the association of Killer cell immunoglobin-like receptor (KIR) gene and KIRs' ligand (HLA-C) gene polymorphisms with type 1 diabetes ( T1DM ). Methods Using polymerase chain reaction-sequence specific primer (PCR-SSP) to detect KIR and HLA-C genotype in 180 T1DM patients and 199 healthy controls from Hunan Han population. Results ( 1 ) The frequencies of KIR2DL1 (98.9% vs92.0%, OR=7.78, P=0.002), 3DL1(94.3% vs 86.4%, OR=2.67, P= 0. 009) and 2DS4 (83.9% vs 70. 9%, OR =2. 14, P =0. 003) were significantly higher in T1DM patients than those in the controls. (2) There were no differences in the frequencies of HLA-C1 and HEA-C2 between the patients and the controls, but the frequency of HLAC1 +/C2 + (3.9% vs 9.6%, OR =0. 38, P = 0. 03 ) was significantly lower in the T1DM patients. (3) The combination KIR2DL1 -/HLA-C2 - (0. 6% vs 6. 0%, OR = 0. 087, P = 0. 003 ) and KIR 2DS1 -/HLA-C2 - (53.3% vs 64. 8%, OR = 0. 62, P = 0. 023) was significantly lower in the T1DM patients. Conclusion The KIR gene polymorphism and KIR/HLA-C gene compatibility are associated with T1DM.

关 键 词:糖尿病 1型 人白细胞抗原 杀伤细胞 基因 

分 类 号:R587.1[医药卫生—内分泌]

 

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