Lab Med Online.  2016 Oct;6(4):240-245. 10.3343/lmo.2016.6.4.240.

Comparison of the Ability of Multiplex and Singleplex PCR to Detect Human Respiratory Viruses

Affiliations
  • 1Department of Laboratory Medicine, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea. uthmd@hanmail.net

Abstract

BACKGROUND
The use of the multiplex polymerase chain reaction (PCR) technique for respiratory viruses has become popular in Korea owing to its convenience and sensitivity. However, concerns remain with regard to possible interference due to multiplexing.
METHODS
We compared the analytical sensitivity and virus interference of a commercially available, multiplex PCR kit (AdvanSure Respiratory virus real-time PCR kit, LG Life Sciences, Korea) with that of singleplex PCR to detect 11 viruses including coronavirus 229E and OC43; parainfluenza virus 1 (PIV 1), parainfluenza virus 2 (PIV 2), and parainfluenza virus 3 (PIV 3); influenza virus A (INF A) and influenza virus B (INF B); respiratory syncytial virus A (RSV A) and respiratory syncytial virus B (RSV B); adenovirus; and rhinovirus A, B, and C.
RESULTS
The lowest detected viral concentrations of coronavirus 229E and OC43, INF A and B, RSV A and B, adenovirus, and rhinovirus A, B, and C were the same for both, multiplex and singleplex systems. However, the lowest detected viral concentrations of PIV1, 2, and 3 differed by 1 dilution factor between the two systems. Threshold cycle (Ct) values for mixed viruses within the same well were not significantly influenced by each other, where the difference between Ct values ranged from 0.24 to 1.99.
CONCLUSIONS
Analytical sensitivity of multiplex PCR was comparable to that of singleplex PCR for respiratory viruses. No significant interference was observed with mixed virus samples using multiplexed PCR.

Keyword

Multiplex PCR; Respiratory virus; Performance evaluation; Interference

MeSH Terms

Adenoviridae
Biological Science Disciplines
Coronavirus
Humans*
Korea
Multiplex Polymerase Chain Reaction
Orthomyxoviridae
Paramyxoviridae Infections
Polymerase Chain Reaction*
Real-Time Polymerase Chain Reaction
Respiratory Syncytial Viruses
Rhinovirus

Figure

  • Fig. 1 Threshold cycle (Ct) values of multiplex PCR and singleplex PCR for each respiratory virus. *Ct difference between multiplex PCR and singleplex PCR > 2.

  • Fig. 2 Ct values for 11 respiratory viruses mixed in the same reaction well with other respiratory virus of decreasing concentration.


Cited by  1 articles

Evaluation of the Real-Q RV Detection Kit for the Identification of Viruses That Result in Respiratory Infections
Eunyup Lee, Saeam Shin, Miyoung Kim, Young Kyung Lee, Hee Jung Kang, Hyun Soo Kim, Jae-Seok Kim, Wonkeun Song, Han-Sung Kim
Lab Med Online. 2019;9(1):17-21.    doi: 10.3343/lmo.2019.9.1.17.


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