2型糖尿病及其肾病与血管生成素2基因多态性的关联分析  被引量:7

Association of 1233A/G polymorphism of angiopoietin-2 gene with type 2 diabetes mellitus and diabetic nephropathy

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作  者:何泉[1] 罗海明[1] 朱宝生[1] 唐新华[1] 蒋绿芝[1] 

机构地区:[1]云南省第一人民医院急诊科(何泉、罗海明),遗传诊断中心(朱宝生、唐新华);昆明医学院第二附属医院内分泌科(蒋绿芝),昆明650031

出  处:《中华医学遗传学杂志》2012年第1期72-76,共5页Chinese Journal of Medical Genetics

摘  要:目的研究2型糖尿病(type 2 diabetes mellitus,T2DM)及其肾病(diabetic nephropathy,DN)发生、发展与血管生成索、2(angiopoietin-2,Ang-2)基因多态性的关联性。方法应用等位基因特异聚合酶链反应检验无亲缘关系汉族人群的2型糖尿病及其肾病患者221例、正常对照104名Ang-2基因单核苷酸多态性(single nucleotide polymorphism,SNP)759T/G、1078A/G、1233A/G在病例组中的频率,并用尿白蛋白排泄率、炎症标志物单核细胞趋化蛋白浓度变化探讨上述SNP与T2DM、DN发生发展的关联。结果(1)Ang-2 759T/G、1078A/G基因型频率和等位基因频率在各组中的差异无统计学意义,而1233A/G基因型频率和等位基因频率的差异有统计学意义(P〈O.05);(2)在校正年龄和性别等因素后,1233A/GSNPG等位基因患T2DM和DN的风险分别是A等位基因的2.265倍(95%CI:1.223-1.402,P=0.031)和1.789倍(95%CI:0.889-1.021,P=0.012);(3)Ang-2 1233A/GG等位基因与DN发生相关(r=1.321,OR=1.427,95%CI:2.324-4.177,P=0.034)。结论An矿21233A/GSNP与2型糖尿病的发生有关;AG+GG基因型和等位基因G可能是DN发生、发展的风险因素。Objective To investigate the association between single nucleotide polymorphism (SNP) of angiopoietin-2 (Ang-2)gene and type 2 diabetes mellitus (T2DM) and diabetic nephropathy (DN). Methods Genotype and allele frequency of Ang-2 were detected by amplification refractory mutation system- PCR(ARMS-PCR) in 221 cases with T2DM and 104 normal controls. Monocyte chemoattractant protein-1 (MCP-1) was measured by ELISA. DN patients were divided into three groups according to urinary albumin excretion rates (UAER), i. e. DN0: UAER 〈30 mg/24 h, DN1: UAER 30 - 300 mg/24 h and DN2: UAER 〉300 mg/24 h. Results Statistics showed: (1) Genotype frequencies and allele frequencies in Ang- 2 1233A/G had significant difference but not Ang-2 759T/G and 1078A/G; (2) Comparing with those with genotype AA, the relative risk of genotype (AG+GG) suffered from T2DM and DN were 2. 265 fold (OR=2. 265, 95% CI: 1. 223-1. 402, P=0. 031), 1. 789 fold (OR=I. 789, 95% CI.. 0. 889-1. 021, P= 0. 012), respectively; (3) The onset of DN was related to Ang-2 1233A/G allele G (r= 1. 321, OR= 1. 427, 95% CI: 2. 324-4. 177, P=0. 034). Conclusion Ang-2 1233A/G polymorphism may be associated with T2DM and involved in onset and development of DN.

关 键 词:血管生成素2基因 单核苷酸多态性 2型糖尿病 糖尿病肾病 

分 类 号:R587.2[医药卫生—内分泌] R692.9[医药卫生—内科学]

 

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