A two-tube multiplex real-time RT-PCR assay for the detection of four hemorrhagic fever viruses: severe fever with thrombocytopenia syndrome virus, Hantaan virus, Seoul virus, and dengue virus

A two-tube multiplex real-time RT-PCR assay for the detection of four hemorrhagic fever viruses:... The aim of this study was to develop and evaluate a two-tube multiplex real-time RT-PCR assay for the detection and identification of four viral hemorrhagic fever (VHF) pathogens, severe fever with thrombocytopenia syndrome virus (SFTSV), Hantaan virus (HTNV), Seoul virus (SEOV), and dengue virus (DENV), from human clinical samples. The two-tube multiplex real-time RT-PCR assay we developed has a sensitivity of 10 copies/μL for each of the targets, and the performance was linear within the range of at least 10 7 transcript copies. Moreover, we evaluated the specificity of the assay using other virus RNA as template, and found no cross-reactivity. This new assay is able to detect SFTSV, HTNV, SEOV and DENV in two reactions and brings a cost of 40 % compared to separate reactions. Evaluation of this assay with clinical serum samples from laboratory-confirmed patients and healthy donors showed 100 % clinical diagnostic sensitivity and over 99 % specificity. The assay was applied for scanning 346 clinical samples collected from patients admitted to the hospital with suspected VHF and compared with virus isolation and immunofluorescence assay (IFA). The assay indentified 59 SFTSV-, 12 HTNV-, 11 SEOV- and 9 DENV-positive samples and showed higher sensitivity. This assay thus provides a reliable and cost-effective screening tool for early clinical diagnosis of SFTSV, HTNV, SEOV and DENV in the acute phase. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

A two-tube multiplex real-time RT-PCR assay for the detection of four hemorrhagic fever viruses: severe fever with thrombocytopenia syndrome virus, Hantaan virus, Seoul virus, and dengue virus

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Publisher
Springer Vienna
Copyright
Copyright © 2013 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-013-1677-8
Publisher site
See Article on Publisher Site

Abstract

The aim of this study was to develop and evaluate a two-tube multiplex real-time RT-PCR assay for the detection and identification of four viral hemorrhagic fever (VHF) pathogens, severe fever with thrombocytopenia syndrome virus (SFTSV), Hantaan virus (HTNV), Seoul virus (SEOV), and dengue virus (DENV), from human clinical samples. The two-tube multiplex real-time RT-PCR assay we developed has a sensitivity of 10 copies/μL for each of the targets, and the performance was linear within the range of at least 10 7 transcript copies. Moreover, we evaluated the specificity of the assay using other virus RNA as template, and found no cross-reactivity. This new assay is able to detect SFTSV, HTNV, SEOV and DENV in two reactions and brings a cost of 40 % compared to separate reactions. Evaluation of this assay with clinical serum samples from laboratory-confirmed patients and healthy donors showed 100 % clinical diagnostic sensitivity and over 99 % specificity. The assay was applied for scanning 346 clinical samples collected from patients admitted to the hospital with suspected VHF and compared with virus isolation and immunofluorescence assay (IFA). The assay indentified 59 SFTSV-, 12 HTNV-, 11 SEOV- and 9 DENV-positive samples and showed higher sensitivity. This assay thus provides a reliable and cost-effective screening tool for early clinical diagnosis of SFTSV, HTNV, SEOV and DENV in the acute phase.

Journal

Archives of VirologySpringer Journals

Published: Sep 1, 2013

References

  • A novel bunyavirus in China
    Bao, CJ; Qi, X; Wang, H
  • Hantavirus infections in humans and animals, China
    Zhang, YZ; Zou, Y; Fu, ZF; Plyusnin, A
  • Identification of Dobrava, Hantaan, Seoul, and Puumala viruses by one-step real-time RT-PCR
    Aitichou, M; Saleh, SS; McElroy, AK; Schmaljohn, C; Ibrahim, MS

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