Coupling multiplex RT-PCR to a gene chip assay for sensitive and semiquantitative detection of severe acute respiratory syndrome-coronavirus

Jyh Lyh Juang*, Tsan Chi Chen, Shih Sheng Jiang, Chao A. Hsiung, Wei Chen Chen, Guang Wu Chen, Shiang Ming Lin, Jih Hui Lin, Shu Chun Chiu, Yiu Kay Lai

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

21 Scopus citations

Abstract

An early and accurate diagnostic assay for severe acute respiratory syndrome (SARS) is crucial for infection control. However, most of the diagnostic methods available today, such as real-time reverse transcriptase-polymerase chain reaction (RT-PCR), require a second detection method for confirmation because they detect a single sequence region of the SARS-coronavirus (SARS-CoV). For sensitive and accurate early diagnosis, we report a novel assay system combining multiplex RT-PCR and a diagnostic gene chip to detect multiple virus-specific genomic sequences of SARS-CoV. With 53 clinical specimens, we successfully demonstrate that this technique offers not only a high-accuracy diagnosis for early SARS infection but also a semiquantitative assay.

Original languageEnglish
Pages (from-to)1085-1091
Number of pages7
JournalLaboratory Investigation
Volume84
Issue number9
DOIs
StatePublished - 09 2004
Externally publishedYes

Keywords

  • Coronavirus
  • Gene chip
  • Multiplex RT-PCR
  • SARS
  • Semiquantitation

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