Fast and cost-effective screening for SARS-CoV-2 variants in a routine diagnostic setting.

Fast and cost-effective screening for SARS-CoV-2 variants in a routine diagnostic setting.
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在常规诊断环境中快速、经济有效地筛查SARS-CoV-2变种。

DOI:
10.1016/j.dental.2021.01.015
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发表时间:
2021-03
期刊:
Dental materials : official publication of the Academy of Dental Materials
影响因子:
--
通讯作者:
Becker M
Becker M
中科院分区:
其他
文献类型:
--
作者:
Durner J;Burggraf S;Czibere L;Tehrani A;Watts DC;Becker M

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其目的是推荐一种快速和具有成本效益的筛选程序,英国/SA SARS-CoV-2变异的路由诊断设置。描述了使用qPCR的快速程序,以向临床医生提供关于目前最流行的两种变体(B1.1.7和B1.351)的信息,这两种变体具有受体结合结构域突变N501 Y。如果存在Y501变体,N501 Y特异性检测试剂盒仅提供扩增信号。随机抽取436份SARS-CoV-2初筛阳性样本。这些样品中仅一个显示指示Y501变体的荧光信号增加。剩余的435个样品在54 °C具有解链峰,表明N501野生型。仍然可以使用已建立的试验系统进行广泛人群基础的筛选。如果SARS-CoV-2检测结果呈阳性,并有相应的临床和既往适应症,则可以对突变N501 Y进行第二次qPCR,并在几小时内将结果提供给公共卫生当局和治疗医生。
The aim is to recommend a fast and cost-effective screening procedure for UK/SA SARS-CoV-2 variants in a routing diagnostic setting. A rapid procedure using qPCR is described to provide clinicians with information about the two currently most prevalent variants (B1.1.7 and B1.351) that harbour receptor binding domain mutation N501Y. The N501Y specific assay only delivers an amplification signal if the Y501 variant is present. 436 samples initially screened positive for SARS-CoV-2 were randomly selected. Only one of these samples showed a fluorescence signal increase indicative for the Y501 variant. The remaining 435 samples had a melting peak at 54 °C indicating the N501 wildtype. The screening of a broad population base can still be performed with the established test system. In case of a positive test for SARS-CoV-2 and corresponding clinical and anamnestic indications, a second qPCR for the mutation N501Y can follow and deliver the result to public health authorities and to the treating physician within a few hours.
DOI: 10.2807/1560-7917.es.2020.26.1.2002106
发表时间: 2021-01
期刊: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
影响因子: --
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