Abstract:
BACKGROUND:Genetic regulation of plasma lipids has been shown to influence the risk of coronary artery disease (CAD). We analyzed the relationship between rs599839 and rs646776 single nucleotide polymorphisms (SNPs) present in the CELSR2-PSRC1-SORT1 gene cluster, candidate gene expression, and their association with CAD and circulating lipid levels in a representative cohort of Asian Indians selected from the Indian Atherosclerosis Research Study. METHODS:SNPs rs599839 and rs646776 were genotyped by Taqman assay in 1034 CAD patients (cases) and 1034 age- and gender-matched controls. Expression of CELSR2, PSRC1, and SORT1 genes was measured in 100 cases and 100 controls. Plasma levels of total cholesterol (TC), triglycerides, high-density lipoprotein-cholesterol, and low-density lipoprotein-cholesterol (LDL-c) were measured by enzymatic assay. RESULTS:Both rs646776 and rs599839 were in strong linkage disequilibrium (r = 0.98) and showed significant protective association with CAD (OR = 0.315, 95% CI 0.136-0.728, p<0.007 and OR = 0.422, 95% CI 0.181-0.981, p = 0.045, respectively). Haplotype TA showed 72% frequency and was associated with CAD (OR 0.77, 95% CI 0.67-0.88, p = 0.0002). PSRC1 gene expression was lower in the cases than in the controls (0.75 ± 0.405 versus 1.04 ± 0.622, p = 2.26 × 10(-4)). The homozygous variant and heterozygous genotypes showed 30% and 15% higher PSRC1 expression, respectively. Correspondingly, the minor alleles were associated with lower plasma TC and LDL-c levels. CONCLUSION:PSRC1 in the cholesterol gene cluster shows a significant association with CAD by virtue of the two SNPs, rs646776 and rs599839 that also regulate plasma cholesterol levels.
journal_name
J Cardioljournal_title
Journal of cardiologyauthors
Arvind P,Nair J,Jambunathan S,Kakkar VV,Shanker Jdoi
10.1016/j.jjcc.2014.02.012subject
Has Abstractpub_date
2014-11-01 00:00:00pages
339-46issue
5eissn
0914-5087issn
1876-4738pii
S0914-5087(14)00067-7journal_volume
64pub_type
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journal_title:Journal of cardiology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1993-01-01 00:00:00
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更新日期:2003-01-01 00:00:00
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journal_title:Journal of cardiology
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Journal of cardiology
pub_type: 杂志文章
doi:
更新日期:1990-01-01 00:00:00
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journal_title:Journal of cardiology
pub_type: 杂志文章,多中心研究
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更新日期:2018-02-01 00:00:00
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journal_title:Journal of cardiology
pub_type: 杂志文章,评审
doi:
更新日期:2001-01-01 00:00:00
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journal_title:Journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.jjcc.2013.11.014
更新日期:2014-08-01 00:00:00
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journal_title:Journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.jjcc.2012.12.012
更新日期:2013-04-01 00:00:00
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pub_type: 杂志文章,多中心研究
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doi:
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pub_type: 杂志文章,评审
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journal_title:Journal of cardiology
pub_type: 杂志文章
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更新日期:1991-01-01 00:00:00
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journal_title:Journal of cardiology
pub_type: 杂志文章,评审
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journal_title:Journal of cardiology
pub_type: 杂志文章,随机对照试验
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更新日期:2012-08-01 00:00:00
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journal_title:Journal of cardiology
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doi:
更新日期:1992-01-01 00:00:00
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pub_type: 杂志文章,评审
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