唾液活检检测非小细胞肺癌

2016-03-23 MedSci MedSci原创

第45届美国牙科研究协会年度会议上,来自洛杉矶加利福尼亚大学的研究者David Wong报道了名为“唾液活检”的研究。该研究纳入了37名非小细胞肺癌(NSCLC)患者,探究是否能通过唾液检测到NSCLC的可控的表皮生长因子受体(EGFR)突变。该研究的患者来自中国四川省成都市的四川肺癌研究所,该区域EGFR的突变频率比其他亚洲国家高3倍。对每位患者都在手术/活检前后,收集血液和唾液标本。通过数字P

第45届美国牙科研究协会年度会议上,来自洛杉矶加利福尼亚大学的研究者David Wong报道了名为“唾液活检”的研究。

该研究纳入了37名非小细胞肺癌(NSCLC)患者,探究是否能通过唾液检测到NSCLC的可控的表皮生长因子受体(EGFR)突变。该研究的患者来自中国四川省成都市的四川肺癌研究所,该区域EGFR的突变频率比其他亚洲国家高3倍。

对每位患者都在手术/活检前后,收集血液和唾液标本。通过数字PCR(ddPCR)寻找活检组织中基因型EGFR L858R和外显子19del,使用电场诱导释放和测量(EFIRM)评估血液和唾液中相同的EGFR突变。最后研究者在MD Anderson癌症中心进行基于组织的基因型数据的一致性分析。

研究数据显示,对37名患者,无论是手术/活检前后的唾液样本,进行唾液活检 (sLB) 能够正确预测EGFR外显子19del和L858R状态 (AUC=1.0)。通过sLB测量手术/活检前后的血液样本时,对于外显子19del,AUC为1.0;对于L858R,AUC为0.96。对于L858R,唾液中的信号比血液中更清楚;对于外显子19del,无论是血液还是唾液,都可以很好的对突变型和野生型进行分离。

这项研究证实了唾液活检EGFR突变的可行性,为sLB的临床验证提供了信心。

原始出处:


Saliva liquid biopsy for non small cell lung carcinoma (NSCLC) patients.MNT.21 March 2016


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    2016-06-27 yde2801fm***3926(暂无匿称)

    唾液还是痰液?什么原理?

    0

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    2016-03-27 Gsurgeon

    唾液活检有点意思

    0

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    2016-03-25 smlt2008

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