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ARCH PATHOL LAB MED:肺癌,结直肠癌和胰腺癌组织和血浆中KRAS突变检测的方法

2019-02-06 MedSci MedSci原创

一般来说KRAS突变试验v2用于定性检测和鉴定人KRAS基因的外显子2,34中的28个突变。本研究的目的是验证KRAS v2突变检测的性能,并通过与Illumina MiSeq上的新一代测序方法相关联来评估其准确性。

在这项研究中,研究人员使用来福尔马林固定,石蜡包埋的组织小细胞肺癌,结肠直肠癌胰腺癌患者和血浆样本。报道了与MiSeq方法相比的特异性,精密度,分析灵敏度和准确度的结果。

结果显示KRAS突变试验v2表现出精确的敏感性和特异性以及KRAS突变的广泛覆盖率。对于福尔马林固定,石蜡包埋的组织,所有样品,操作者和仪器的精确度为100%(108个中的108个),血浆为99.8%(616个,616个)。在福尔马林固定,石蜡包埋的组织样品中检测到1%突变体序列并且对于血浆样品低至25个突变体序列拷贝/ mL,分析灵敏度高。与MiSeq测序结果相比,该测试还显示福尔马林固定,石蜡包埋的肿瘤组织以及血浆样品的高度总体一致性。

研究表明,KRAS突变试验v2是一种高度稳健,可重复且灵敏的检测方法,可用于定性检测KRAS基因外显子2,34中的28个突变,包括固体(组织)和液体(血浆)活组织检查。直肠癌,非小细胞肺癌胰腺癌,同时,对于KRAS突变检测也是一种便利的选择。

原始出处:

Jing Li, Stephanie Gan, Alan Blair, Kyungji Min, A Highly Verified Assay for KRAS Mutation Detection in Tissue and Plasma of Lung, Colorectal, and Pancreatic Cancer

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    2019-08-22 yb6560
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    2019-02-08 yinhl1978
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    2019-02-08 bioon7
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    2019-02-06 医者仁心5538

    学习了

    0

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