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Genetic analysis of six SNPs in candidate genes associated with high cross-race risk of development of thoracic aortic aneurysms and dissections in Chinese Han population.


ABSTRACT: AIM: Genetic susceptibility is an important risk factor for aortic aneurysm and dissection. Recent case-control association studies have identified six single nucleotide polymorphisms (SNPs) associated with abdominal aortic aneurysm (AAA) in a Caucasian population. We aimed to determine whether these loci confer susceptibility to thoracic aortic dissection (TAD) in a Chinese Han population and thus to establish cross-race susceptibility to TAD. METHODS: This study analyzed blood DNA isolated from 206 TAD patients and 180 controls from the ethnic Chinese Han population. Six SNPs - rs819146, rs8003379, rs2853523, rs326118, rs3788205, and rs10757278 - were genotyped using high-throughput matrix-assisted laser desorption ionization-time-of-flight (MALDI-TOF) mass spectrometry. RESULTS: The A allele frequency for the SNP on 9p21, tagged as rs10757278, was higher in male TAD patients than in male controls (P=0.017). Moreover, with adjustment for traditional cardiovascular risk factors (sex, age, hypertension, dyslipidemia, diabetes, and smoking), the rs10757278 [odds ratio (OR) 0.63, 95% confidence interval (CI) 0.43 to 0.93] polymorphism was found to be an independent susceptibility factor for TAD in men. CONCLUSION: Our results suggest that a sequence variant on 9p21 is an important susceptibility locus that confers high cross-race risk for development of TAD in Chinese Han population.

SUBMITTER: Liu O 

PROVIDER: S-EPMC4012906 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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Genetic analysis of six SNPs in candidate genes associated with high cross-race risk of development of thoracic aortic aneurysms and dissections in Chinese Han population.

Liu Ou O   Li Jian-rong JR   Gong Ming M   Xu Ming M   Du Jie J   Zhang Hong-jia HJ  

Acta pharmacologica Sinica 20100927 10


<h4>Aim</h4>Genetic susceptibility is an important risk factor for aortic aneurysm and dissection. Recent case-control association studies have identified six single nucleotide polymorphisms (SNPs) associated with abdominal aortic aneurysm (AAA) in a Caucasian population. We aimed to determine whether these loci confer susceptibility to thoracic aortic dissection (TAD) in a Chinese Han population and thus to establish cross-race susceptibility to TAD.<h4>Methods</h4>This study analyzed blood DNA  ...[more]

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