Nat Commun:血液生物标记物或有助于预测死亡风险

2019-08-22 Nature自然科研 Nature自然科研

《自然-通讯》发表的一篇论文A metabolic profile of all-cause mortality risk identified in an observational study of 44,168 individuals 报道了14种与全因死亡率相关的血液生物标记物。相较于目前已有的方法,这项最新发现或有助于提高5年及10年死亡风险的预测准确性。

《自然-通讯》发表的一篇论文A metabolic profile of all-cause mortality risk identified in an observational study of 44,168 individuals 报道了14种与全因死亡率相关的血液生物标记物。相较于目前已有的方法,这项最新发现或有助于提高5年及10年死亡风险的预测准确性。



14种已鉴定的代谢生物标记物的死亡风险预测准确性

有鉴于可用的临床数据量,预测病人最后一年的死亡率一般来说是可行的。过去的研究分析了血液代谢物特征和其他生理参数,以鉴定可用于预测死亡风险的生物标记物。但是,在预测更长期(5-10年)的死亡风险的问题上,研究人员未就预测指标达成一致意见。

德国马克思·普朗克老化生物学研究所的Joris Deelen及同事对来自12个队列、总计44,168名个体做了代谢组学分析,这些被试全部为欧洲血统,年龄在18岁到109岁之间。最后鉴定出了14种与全因死亡率相关的代谢物,已知这些生物标记物会参与各种过程,包括脂蛋白和脂肪酸代谢、糖酵解以及炎症。之后,作者利用鉴定出来的代谢物构建了一个用以预测5年及10年死亡风险的模型,该模型对于所有年龄段的预测准确性都高于基于传统风险因素的模型。

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    2020-03-24 liuli5079
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    2020-03-11 liye789132251
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    2020-01-20 wjywjy
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