主题:【转帖】QX100在细菌和衣原体检测方面的应用

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zhang8826857
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QX100一个应用的大方向是病原微生物的检测,尤其是复杂来源的样品。之前已有多篇HIV(病毒方面)相关的文献。最近又有2篇QX100对于细菌和衣原体检测方面的文献发表,结合之前的文献,可以得出,QX100可以对复杂来源样品中的病毒、细菌等病原微生物进行检测,而且是以绝对定量的方式进行,不再需要依赖于标准曲线,简化了实验操作。

由英国科学家完成的采用QX100对沙眼衣原体的检测,发表于J Clinical Microbiol。沙眼衣原体是致盲的一个主要原因,该文章对1509个临床样品进行了双重的ddPCR反应体系与金标准Roche Amplicor CT/NG进行了对比,得到了如下的结论:
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zhang8826857
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"The ddPCR technology has great utility as a diagnostic. Unlike most other NAATs, this method requires no external or internal calibration yet delivers a highly accurate estimation of target load. The inclusion of a human target allows a system of internal control that indicates (but does not discriminate between) experimental failures that are due to either technical PCR failure or to the absence of a sample of human origin in the specimen.

zhang8826857
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We have validated a highly specific quantitative ddPCR assay and applied it to population monitoring of ocular C. trachomatis infections. This method could rapidly be adapted for use in the detection of sexually transmitted C. trachomatis infections, where a higher sensitivity than that which we have estimated would be desirable. This study represents an early example of the usefulness of this next generation digital PCR method in diagnosing infections in clinical specimens within the arena of infectious diseases."

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