机构地区:[1]南京医科大学公共卫生学院流行病与卫生统计学系,210029 [2]南京工业职业技术学院后勤管理处 [3]江苏大学附属宜兴市人民医院心内科 [4]江苏大学附属宜兴市人民医院神经内科
出 处:《中华预防医学杂志》2012年第9期825-830,共6页Chinese Journal of Preventive Medicine
基 金:基金项目:国家自然科学基金(30800947);江苏省自然科学基金(BK2011776);江苏高校优势学科建设工程
摘 要:目的分析参与血管发育的转化生长因子-β1(TGF-β1)受体2(TGFBR2)基因启动子区的遗传变异与中目汉族人群高血压的天系。方法研究对象选自2009年江苏省宜兴市两个乡镇社区高血压整群抽样调查人群。高血压病例2012例,按年龄(±2岁)、性别匹配选择健康对照2116名;收集流行病学资料和体格检查资料并检测血糖、血脂等临床生化指标。基因位点选择采用连锁不平衡分析的方法,选取TGFBR2基因5′上游启动子的2个标签单核苷酸多态性(tagSNP)(rs6785358,-3779A/G;rs764522,-1444C/G)进行基因分型和关联分析。结果rs6785358位点AA、AG、GG基因型频数在病例组中为1455(72.3%)、517(25.7%)、40(2.0%),在埘照组中为1582(74.8%)、490(23.2%)、43(2.0%);rs764522位点CC、CG、GG基因型频数在病例组中为1524(75.7%)、464(23.1%)、24(1.2%),存对照组中为1654(78.2%)、436(20.6%)、26(1.2%)。校正年龄、性别、血糖、血脂、吸烟与饮酒等混杂因素后,rs764522位点显性模型与高血压关联有统计学意义[OR(95%C/)值为1.17(1.01~1.36),P〈0.05]。按年龄、性别、吸烟、饮酒等因素进行分层分析结果显示,在≥55岁人群中,携带rs764522突变G等位基因型(CG+GG)者高血压患病风险增加[OR(95%CI)值为1.21(1.01~1.45),P〈0.05]。而rs6785358位点基因型、等位基因型与高血压的关联均无统计学意义(P〉0.05);单体型基凶分析结果未发现rs764522与rs6785358位点存在联合作用(P〉0.05)。不同基因型之间血压水平比较也未发现上述两个SNP变异与血压数量性状存在关联(P〉0.05)。结论TGFBR2基因rs764522位点与高年龄人群高血压患病风险增加有关。Objective To evaluate the association between two single nucleotide polymorphisms located in the promoter of transforming growth factor-β1 receptor 2 (TGFBR2) gene and hypertension in HaM Chinese population. Methods The subjects were recruited from the population of cluster sampling survey for essential hypertension (EH) in two townships of Yixing city, Jiangsu province in 2009. Overall, 2012 patients with hypertension and 2116 age ( ± 2 years ) and sex-matched unrelated controls were selected. Epidemiological data, physical measurements results and serum glucose and lipid biomarker were collected and detected. Linkage disequilibrium (LD) analysis were applied and two tagging single nucleotide polymorphisms (tagSNP) in 5′ upstream of TGFBR2 gene (rs6785358, - 3779A/G; rs764522, - 1444C/G) were selected for genotyping and analyzing for the association with hypertension. Results The frequencies of AA, AG, GG in case and control of rs6785358 were 1455 (72.3%), 517 (25.7%), 40 (2. 0% ) and 1582 (74. 8% ), 490 (23.2%), 43 (2. 0% ) respectively, and CC, CG, GG of rs764522 were 1524(75.7%), 464(23.1%), 24(1.2%) and 1654(78.2%), 436(20.6%), 26(1.2%) respectively. SNP rs764522 was significantly associated with Eli and OR (95% CI) were 1.17 (1.01 - 1.36) ( P 〈 0. 05 ) in dominant model after adjustment for confounding factors such as age, sex, glucose, lipids, smoking and alcohol drinking. Further stratification analysis by age, sex, smoking and alcohol drinking indicated that individuals carrying G allele (CG/GG genotype ) of SNP rs764522 had higher susceptibility toEHthan CC genotype (OR=1.21, 95%CI: 1.01 -1.45)(P〈0.05) in ≥ 55 years group. No statistical significance was detected in the distribution of genotypes and allele frequencies for SNP rs6785358 between cases and controls ( P 〉 0. 05 ). Haplotype analysis showed that no significant frequency difference of haplotype structured by rs6785358 and rs764522
分 类 号:R544.1[医药卫生—心血管疾病]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...