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Lack of association between arterial stiffness and genetic variants by genome-wide association scan

 Sungha Park  ;  Ji-Young Lee  ;  Byeong-Keuk Kim  ;  Sang-Hak Lee  ;  Hyuk-Jae Chang  ;  DongHoon Choi  ;  Yangsoo Jang 
 BLOOD PRESSURE, Vol.24(4) : 258-261, 2015 
Journal Title
Issue Date
Cohort Studies ; Female ; Genetic Variation ; Genome-Wide Association Study ; Humans ; Male ; Middle Aged ; Pulse Wave Analysis/methods* ; Risk Factors ; Vascular Stiffness/physiology*
Arterial stiffness ; brachial–ankle pulse-wave velocity ; genome-wide association study
BACKGROUND: Arterial stiffness is an independent predictor of cardiovascular disease risk. However, whether genetic risk variants are associated with arterial stiffness measures, such as pulse-wave velocity (PWV), is largely unknown. Therefore, we performed a genome-wide association study (GWAS) to identify single-nucleotide polymorphisms (SNPs) associated with PWV in a Korea population. METHOD: Study participants consisted of 402 patients in the Yonsei cardiovascular genome center cohort. Arterial stiffness was measured as brachial-ankle pulse-wave velocity (baPWV). Genotyping was performed in 402 subjects with the Axiom Genome-Wide ASI 1 Array Plate containing more than 600,000 SNP markers. The findings were tested for replication in independent subjects from a community-based cohort of 1206 individuals, using a Taqman assay to include two candidate SNPs. Associations with PWV were evaluated using an additive genetic model that included age, gender, systolic blood pressure and diastolic blood pressure as covariates. GWAS and replication analyses were conducted using the measured genotype method implemented in PLINK and SAS. RESULTS: We observed two candidate SNPs associated with baPWV in GWAS: rs7271920 (p = 7.15 × 10(-9)) and rs10125157 (p = 8.25 × 10(-7)). However, neither of these was significant in the replication cohort. CONCLUSION: In summary, we did not identify any common genetic variants associated with baPWV in cardiovascular patients.
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5. Research Institutes (연구소) > Yonsei Cardiovascular Research Institute (심혈관연구소) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Park, Sung Ha(박성하) ORCID logo https://orcid.org/0000-0001-5362-478X
Lee, Sang Hak(이상학) ORCID logo https://orcid.org/0000-0002-4535-3745
Lee, Ji Young(이지영) ORCID logo https://orcid.org/0000-0002-7784-1401
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Chang, Hyuk-Jae(장혁재) ORCID logo https://orcid.org/0000-0002-6139-7545
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
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