The 3′-UTR of the adiponectin Q gene harbours susceptibility loci for atherosclerosis and its metabolic risk traits

BMC Medical Genetics

Research Article

Nduna Dzimiri¹  Daisy Gueco¹  Nzioka Muiya¹  Nejat Mazhar¹  Samar Elhawari¹  Editha Andres¹  Nada Altassan¹  Asma I Tahir¹  Mohammed Al-Najai¹  Brian F Meyer¹  Maie Alshahid² 

[1] Genetics Department, King Faisal Specialist Hospital and Research Centre, P.O. Box 3354, 11211, Riyadh, Saudi Arabia;King Faisal Heart Institute, King Faisal Specialist Hospital and Research Centre, 11211, Riyadh, Saudi Arabia;

关键词: Adiponectin 3′-utranslated region;    Haplotypes;    Metabolic syndrome;    Atherosclerosis;   

DOI  :  10.1186/1471-2350-14-127

 received in 2013-11-05, accepted in 2013-11-28,  发布年份 2013

来源: Springer

【 摘 要 】

BackgroundAdiponectin Q is a hormone that modulates several metabolic processes and contributes to the suppression of biochemical pathways leading to metabolic syndrome. Hence, polymorphic changes in the adiponectin Q (ADIPOQ) gene are likely to contribute to metabolic disorders, and consequently lead to atherosclerosis. In the present study, we performed a population-based association study for 8 SNPs in 4646 Saudi individuals (2339 CAD cases versus angiographed 2307 controls) by real-time PCR.MethodsLinkage analysis was done by the Affymetrix Gene Chip array, sequencing by the MegaBACE DNA analysis system and genotyping accomplished by TaqMan chemistry with the Applied Biosystem real-time Prism 7900HT Sequence Detection System.ResultsThe rs2241766 (TG + GG) [Odds ratio(95% Confidence Interval = 1.35(1.01-1.72); p = 0.015] and rs9842733A > T [1.48(1.01-2.07); p = 0.042] were associated with hypertension [HTN; 3541 cases vs 1101 controls), following adjustment for the presence of other cardiovascular risk traits. The rs2241766 (TG + GG) was further implicated in harbouring of low high density lipoprotein levels (LHDL; 1353 versus 2156 controls) [1.35(1.10-1.67); p = 0.005], but lost its association with obesity after the adjustment for confounders. Besides, low high density lipoprotein was also linked with rs6444174 (TC + CC) [1.28(1.05-1.59)]. On the other hand, while initial univariate logistic regression analysis pointed to rs1063537 C > T (p = 0.010), rs2082940 C > T (p = 0.035) and rs1063539 G > C (p = 0.035) as being associated with myocardial infarction, significance levels of these relationships were diminished following adjustment for the influence of confounding covariates. Interestingly, haplotyping showed that an 8-mer haplotype GTGCCTCA and several of its derivatives constructed from the studied SNPs were commonly implicated in MI (χ2 = 4.12; p = 0.042), HTN (χ2 = 6.40; p = 0.011) and OBS (χ2 = 5.18; p = 0.023).ConclusionThese results demonstrate that the ADIPOQ 3′UTR harbours common susceptibility variants for metabolic risk traits and CAD, pointing to the importance of this region in atherosclerosis disease pathways.

【 授权许可】

Unknown   
© Muiya et al.; licensee BioMed Central Ltd. 2013. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.