NDLI: Laboratory Diagnosis of Common Herpesvirus Infections of the Central Nervous System by a Multiplex PCR Assay

Content Provider	PubMed Central
Author	Panayotis, Markoulatos Georgopoulou, Amalia Siafakas, Nikolaos Elias, Plakokefalos Georgina, Tzanakaki Jenny, Kourea-kremastinou
Copyright Year	2001
Abstract	A sensitive multiplex PCR assay for single-tube amplification that detects simultaneous herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2), varicella-zoster virus (VZV), human cytomegalovirus (CMV), and Epstein-Barr virus (EBV) is reported with particular emphasis on how the method was optimized and carried out and its sensitivity was compared to previously described assays. The assay has been used on a limited number of clinical samples and must be thoroughly evaluated in the clinical context. A total of 86 cerebrospinal fluid (CSF) specimens from patients which had the clinical symptoms of encephalitis, meningitis or meningoencephalitis were included in this study. The sensitivity of the multiplex PCR was determined to be 0.01 and 0.03 50% tissue culture infective doses/the reciprocal of the highest dilution positive by PCR for HSV-1 and HSV-2 respectively, whereas for VZV, CMV and EBV, 14, 18, and 160 ag of genomic DNA were detected corresponding to 48, 66, and 840 genome copies respectively. Overall, 9 (10.3%) of the CSF samples tested were positive in the multiplex PCR. HSV-1 was detected in three patients (3.5%) with encephalitis, VZV was detected in four patients (4.6%) with meningitis, HSV-2 was detected in one neonate (1.16%), and CMV was also detected in one neonate (1.16%). None of the samples tested was positive for the EBV genome. None of the nine positive CSF samples presented herpesvirus coinfection in the central nervous system. Failure of DNA extraction or failure to remove any inhibitors of DNA amplification from CSF samples was avoided by the inclusion in the present multiplex PCR assay of α-tubulin primers. The present multiplex PCR assay detects simultaneously five different herpesviruses and sample suitability for PCR in a single amplification round of 40 cycles with an excellent sensitivity and can, therefore, provide an early, rapid, reliable noninvasive diagnostic tool allowing the application of antiviral therapy on the basis of a specific viral diagnosis. The results of this preliminary study should prompt a more exhaustive analysis of the clinical value of the present multiplex PCR assay.
Related Links	http://dx.doi.org/10.1128/jcm.39.12.4426-4432.2001
Ending Page	4432
Page Count	7
Starting Page	4426
File Format	PDF
ISSN	00951137
e-ISSN	1098660X
Journal	Journal of Clinical Microbiology
Issue Number	12
Volume Number	39
Language	English
Publisher	American Society for Microbiology
Publisher Date	2001-12-01
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Microbiology (medical) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Microbiology (medical)

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