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JAHA:蛋白质组学分析与新发房颤的风险

2019-03-07 xing.T 网络

由此可见,在调整年龄和性别后,研究人员确定了8种与AF事件风险相关的蛋白质;在调整AF危险因素后,2种蛋白质与AF相关。未来的研究需要重复这一研究结果,以确定这些标志物是否与AF发病机制相关,以及它们是否在临床上有助于识别未来AF的风险。

先前将蛋白质组学标记与AF事件相关的研究筛选了有限的蛋白质。近日,血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员在参加第五次评估的弗雷明汉心脏研究后代的参与者中进行了蛋白质组学分析。

研究人员通过SOMAscan蛋白质组学分析平台测量了受试者血浆蛋白水平(n=1373)。研究人员对Cox比例风险模型使用了强有力的推论,以将每种蛋白质水平与AF事件联系起来。此外,研究人员还评估了AF相关基因位点与AF相关蛋白水平之间的关联。

该研究纳入了1885名参与者(平均年龄为55±10岁,54%占女性),他们测量了蛋白质组学特征。共有349名参与者在随访期间发生房颤(平均随访18.3年)。研究人员观察到8种蛋白质在调整年龄、性别、技术协变量和多次检验校正后与AF事件显著相关(P<0.05/1373=3.6×10-5)。在对与AF相关的临床因素进行额外调整后,ADAMTS13和B型利钠肽前体N末端仍然与AF事件风险显著相关(风险比为0.78; 95%CI为0.70-0.88和1.44; 95%CI为1.22-1.70,两者均有P<3.6×10-5)。8种蛋白质中没有一种是由先前通过全基因组关联研究确定的AF相关遗传基因位点的基因编码的。

由此可见,在调整年龄和性别后,研究人员确定了8种与AF事件风险相关的蛋白质;在调整AF危险因素后,2种蛋白质与AF相关。未来的研究需要重复这一研究结果,以确定这些标志物是否与AF发病机制相关,以及它们是否在临床上有助于识别未来AF的风险。

原始出处:

Darae Ko.et al.Proteomics Profiling and Risk of New‐Onset Atrial Fibrillation: Framingham Heart Study.JAHA.2019.https://www.ahajournals.org/doi/full/10.1161/JAHA.118.010976

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    2019-03-09 zhaohui6731
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    2019-03-07 orangesking

    0

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