Stroke:遗传学在预测卒中后血管复发事件中的应用!

2017-04-15 xing.T MedSci原创

遗传学的运用在缺血性卒中后估计血管复发风险上是有价值的,MGP基因的遗传变异与西班牙人口血管复发相关。

缺血性卒中或短暂性脑缺血发作(TIA)后的第一年内有11%的患者会发生血管复发事件。临床评分不能预测所有血管复发事件的风险。近日,卒中领域权威杂志Stroke上发表了一篇研究文章,研究人员旨在明确与复发相关的遗传变异,可能会改善缺血性卒中临床预测模型。

研究人员分析了3个队列患者的115个候选基因的256个基因多态性,其中包括4482例缺血性卒中或TIA患者。发现队列前瞻性地招募了1494例患者,其中6.2%的患者在随访第一年发生新发缺血性卒中。研究人员采用SNPlex或HumanOmni1-Quad技术进行在2988例患者中进行了重复分析。研究人员使用Cox回归得到了一个预测模型(Grecos评分[卒中表型复发风险]),并且使用分类树方法找到高危人群。

研究人员分析发现与动脉钙化相关的MGP基因的rs1800801位点(风险比为1.33;P=9×10-03)与在随访第一年新发的缺血性卒中相关。这种多态性在西班牙队列中可以被重复(n=1.305),但是,在北美队列中这种相关性并不显著(n=1.683)。GRECOS评分可以预测新发缺血性卒中(P=3.2×10-09),并且可以将患者进行分层,从卒中复发低风险(1.9%)到高风险(12.6%)。此外,将遗传风险因素加入GRECOS评分可以改善预测能力,相比于既往有卒中预后工具II评分(P=0.03)。

遗传学的运用在缺血性卒中后估计血管复发风险上是有价值的,MGP基因的遗传变异与西班牙人口血管复发相关。

原始出处:

Israel Fernández-Cadenas, et al. GRECOS Project (Genotyping Recurrence Risk of Stroke) The Use of Genetics to Predict the Vascular Recurrence After Stroke.Stroke. 2017. https://doi.org/10.1161/STROKEAHA.116.014322

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    2017-04-16 1ddf0692m34(暂无匿称)

    学习了,值得分享

    0

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    2017-04-16 flysky120

    学习一下知识

    0

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    2017-04-16 jin321

    一次搞那么多基因,不让别人搞了

    0

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