NAT COMMUN:在诊断前4年,利用血液测试进行癌症的无创性早期检测

2020-07-22 MedSci原创 MedSci原创

早期检测有可能降低癌症死亡率,但在纵向研究中,有效的筛查试验必须在常规诊断前数年就能够检测出无症状的癌症。

早期检测有可能降低癌症死亡率,但在纵向研究中,有效的筛查试验必须在常规诊断前数年就能够检测出无症状的癌症。

在台州纵向研究(TZL)中,123115名健康受试者提供血浆样本进行长期储存,然后监测癌症的发生。

在这里,我国研究人员报告了PanSeer的初步结果,PanSeer是一种基于循环肿瘤DNA甲基化的无创血液检测,对605名无症状个体的TZL血浆样本进行检测,其中191人在抽血后4年内被诊断为胃癌、食管癌、结直肠癌、肺癌或肝癌。研究人员还检测了另外223名癌症患者的血浆样本,加上200例原发性肿瘤和正常组织。

研究人员表明,PanSeer在88%(95% CI:80-93%)的确诊患者中检测出五种常见的癌症,特异性为96%(95% CI:93-98%)。研究人员还证明PanSeer在95%(95% CI:89-98%)的后续确诊的无症状个体中检测出癌症。目前,我们还需要未来的纵向研究来证实这一结果。

这些结果表明,癌症可以在目前的标准护理之前进行非侵入性的检测,检出时间可以提前长达四年。

 

原始出处:

Xingdong Chen et al. Non-invasive early detection of cancer four years before conventional diagnosis using a blood test, Nature Communications (2020). 

 

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    2020-12-04 liye789132251
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    2020-12-01 liuli5079
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    2020-07-22 fss5433

    学习一下

    1

    展开1条回复
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    2020-07-22 14639a93m50暂无昵称

    是江苏泰州,不是浙江台州

    0

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