國家衛生研究院 NHRI:Item 3990099045/8078
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    题名: A three-stage genome-wide association study combining multilocus test and gene expression analysis for young-onset hypertension in Taiwan Han Chinese
    作者: Chiang, KM;Yang, HC;Liang, YJ;Chen, JW;Hwang, SM;Ho, HY;Ting, CT;Lin, TH;Sheu, SH;Tsai, WC;Chen, JH;Leu, HB;Yin, WH;Chiu, TY;Chen, CI;Lin, SJ;Thomas, GN;Tomlinson, B;Guo, Y;Gui, HS;Sham, PC;Lam, TH;Pan, WH
    贡献者: Division of Health Services and Preventive Medicine
    摘要: BACKGROUND Although many large-scale genome-wide association studies (GWASs) have been performed, only a few studies have successfully identified replicable, large-impact hypertension loci; even fewer studies have been done on Chinese subjects. Young-onset hypertension (YOH) is considered to be a more promising target disorder to investigate than late-onset hypertension because of its stronger genetic component. METHODS To map YOH genetic variants, we performed a 3-stage study combining 1st-stage multilocus GWASs, 2nd-stage gene expression analysis, and 3rd-stage multilocus confirmatory study. RESULTS In the 1st stage, Illumina550K data from 400 case-control pairs were used, and 22 genes flanked by 14 single nucleotide polymorphism (SNP) septets (P values adjusted for false discovery rate (pFDR) < 3.16×10-7) were identified. In the 2nd stage, differential gene expression analysis was carried out for these genes, and 5 genes were selected (pFDR < 0.05). In the 3rd stage, we re-examined the finding with an independent set of 592 case-control pairs and with the joint samples (n = 992 case-control pairs). A total of 6 SNP septets flanking C1orf135, GSN, LARS, and ACTN4 remained significant in all 3 stages. Among them, the same septet flanking ACTN4 was also associated with blood pressure traits in the Hong Kong Hypertension Study (HKHS) and in the Wellcome Trust Case-Control Consortium Hypertension Study (WTCCCHS). LARS was detected in the HKHS, but not in the WTCCCHS. GSN may be specific to Taiwanese individuals because it was not found by either the HKHS or the WTCCCHS. CONCLUSIONS Our study identified 4 previously unknown YOH loci in Han Chinese. Identification of these genes enriches the hypertension susceptibility gene list, thereby shedding light on the etiology of hypertension in Han Chinese.
    日期: 2014-06
    關聯: American Journal of Hypertension. 2014 Jun;27(6):819-827.
    Link to: http://dx.doi.org/10.1093/ajh/hpt239
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0895-7061&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000336527400008
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84900849365
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