Direct diagnosis of human respiratory coronaviruses 229E and OC43 by the polymerase chain reaction.

Direct diagnosis of human respiratory coronaviruses 229E and OC43 by the polymerase chain reaction.
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DOI:
10.1016/s0166-0934(01)00343-3
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发表时间:
2001-09
影响因子:
3.1
通讯作者:
Freymuth F
Freymuth F
中科院分区:
医学4区
文献类型:
--
作者:
Vabret A;Mouthon F;Mourez T;Gouarin S;Petitjean J;Freymuth F

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开发了RT-PCR杂交,其扩增来自HCoV-229 E和HCoV-OC 43的M蛋白基因的遗传物质。将这些原始引物的分析灵敏度与N基因中定义的引物和先前描述的引物进行比较。结果表明,使用原始方法,通过该分子方法可以检测到0.05 TCID 50的HCoV-229 E和0.01 TCID 50的HCoV-OC 43。使用该方法可以检测临床标本中的HCoV-229 E和HCoV-OC 43:使用该RT-PCR杂交检测了348份呼吸道标本(202份痰液和146份鼻吸出物),并检测到12种人冠状病毒(3%)。该方法可以提供一个有用的工具,证明人冠状病毒在呼吸道感染中的作用。
An RT-PCR-hybridization was developed that amplified genetic material from the M protein gene of HCoV-229E and HCoV-OC43. The analytic sensitivity of these original primers were compared with primers defined in the N gene and described previously. The results show that 0.05 TCID50 of HCoV-229E and 0.01 TCID50 of HCoV-OC43 can be detected by this molecular method using the original method. Detection of HCoV-229E and HCoV-OC43 in clinical specimens is possible using this method: 348 respiratory specimens (202 sputum and 146 nasal aspirates) were tested with this RT-PCR-hybridization and 12 human coronavirus are detected (3%). The method could provide a useful tool for demonstrating the role of human coronavirus in infections of the respiratory tract.
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