Stroke:高血压和非高血压患者WMH遗传结构存在差异

2015-01-07 高晓方 译 医学论坛网

英国一项研究表明,高血压和非高血压缺血性卒中患者的白质高信号(WMH)具有不同的遗传结构。论文于2014年12月30日在线发表于《卒中》(Stroke)。 此项研究共纳入2336例具有全基因组关联研究(GWAS)数据的缺血性卒中患者,并利用MRI在无缺血大脑半球测定了WMH体积。对年龄和颅内容积进行校正之后,确定何种心血管危险因素为WMHV的独立预测因素。利用全基因组复杂性状分析估算整体

英国一项研究表明,高血压和非高血压缺血性卒中患者的白质高信号(WMH)具有不同的遗传结构。论文于2014年12月30日在线发表于《卒中》(Stroke)。

此项研究共纳入2336例具有全基因组关联研究(GWAS)数据的缺血性卒中患者,并利用MRI在无缺血大脑半球测定了WMH体积。对年龄和颅内容积进行校正之后,确定何种心血管危险因素为WMHV的独立预测因素。利用全基因组复杂性状分析估算整体和分层WMHV的HSNP。

结果显示,对显著危险因素进行校正之后,相当一部分WMHV变异可归咎于普通单核苷酸多态性(SNP;P=0.0026)。在高血压患者中HSNP估计值较高,并且增加值超出预期概率(P=0.012)。与之相反,在非高血压患者中HSNP估计值较低,但不具有统计学意义(P=0.13)。

原始出处:

Adib-Samii P1, Devan W2, Traylor M2, Lanfranconi S2, Zhang CR2, Cloonan L2, Falcone GJ2, Radmanesh F2, Fitzpatrick K2, Kanakis A2, Rothwell PM2, Sudlow C2, Boncoraglio GB2, Meschia JF2, Levi C2, Dichgans M2, Bevan S2, Rosand J2, Rost NS2, Markus HS2.Genetic Architecture of White Matter Hyperintensities Differs in Hypertensive and Nonhypertensive Ischemic Stroke.Stroke. 2014 Dec 30. pii: STROKEAHA.114.006849. [Epub ahead of print]

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    2015-02-13 yzh411
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