Ann Lab Med.  2012 Nov;32(6):399-406.

Evaluation of a Multiplex Real-time PCR Assay for the Detection of Respiratory Viruses in Clinical Specimens

• Rheem I
• Park J
• Kim TH
• Kim JW

Abstract

BACKGROUND
In this study, we evaluated the analytical performance and clinical potential of a one-step multiplex real-time PCR assay for the simultaneous detection of 14 types of respiratory viruses using the AdvanSure RV real-time PCR Kit (LG Life Sciences, Korea).
METHODS
Three hundred and twenty clinical specimens were tested with the AdvanSure RV real-time PCR Kit and conventional multiplex reverse transcription (RT)-PCR assay. The assay results were analyzed and the one-step AdvanSure RV real-time PCR Kit was compared with the conventional multiplex RT-PCR assay with respect to the sensitivity and specificity of the detection of respiratory viruses.
RESULTS
The limit of detection (LOD) was 1.31 plaque-forming units (PFU)/mL for human rhinoviruses (hRVs), 4.93 PFU/mL for human coronavirus HCoV-229E/NL63, 2.67 PFU/mL for human coronavirus HCoV-OC43, 18.20 PFU/mL for parainfluenza virus 1 (PIV)-1, 24.57 PFU/mL for PIV-2, 1.73 PFU/mL for PIV-3, 1.79 PFU/mL for influenza virus group (Flu) A, 59.51 PFU/mL for FluB, 5.46 PFU/mL for human respiratory syncytial virus (hRSV)-A, 17.23 PFU/mL for hRSV-B, 9.99 PFU/mL for human adenovirus (ADVs). The cross-reactivity test for this assay against 23 types of non-respiratory viruses showed negative results for all viruses tested. The agreement between the one-step AdvanSure multiplex real-time PCR assay and the conventional multiplex RT-PCR assay was 98%.
CONCLUSIONS
The one-step AdvanSure RV multiplex real-time PCR assay is a simple assay with high potential for specific, rapid and sensitive laboratory diagnosis of respiratory viruses compared to conventional multiplex RT-PCR.

Keyword

Respiratory virus; Multiplex real-time PCR; Limit of detection

MeSH Terms

Adenoviridae/genetics
Coronavirus/genetics
DNA, Viral/*analysis
Humans
Lung Diseases/diagnosis/*virology
*Multiplex Polymerase Chain Reaction
Orthomyxoviridae/genetics
RNA, Viral/*analysis
Reagent Kits, Diagnostic
Respiratory Syncytial Virus, Human/genetics
Respirovirus/genetics
Rhinovirus/genetics

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