Methods comparison for molecular diagnosis of human herpesvirus 8 infections.

Journal of Clinical Virology : the Official Publication of the Pan American Society for Clinical Virology
Manon CorgiatAude Jary

Abstract

Human herpesvirus 8 (HHV-8) virological diagnosis and monitoring relies mainly on real-time PCR. To evaluate two real-time PCR commercial kit (HHV-8 Premix R-geneTM and Clonit® HHV-8) and compare with in-house real-time PCR. Twelve samples (3 undetectable and 9 detectable with viral load ranging from 101 to 105 per reaction) were tested for HHV-8 detection and quantification with the 3 methods. Methods comparison was supported with regression curve and diagram presenting difference or ratio between commercial and in-house PCR results and plotted against the in-house PCR results. Statistical analyses, specifically Student tests and Spearman correlation, were performed. In both cases, qualitative results obtained with commercial kit and in-house PCR were identical and HHV-8 quantitation results were significantly correlated (Clonit®, Rs = 1, p < 0.001 and R-geneTM Rs = 0.98, p < 0.001). However, Clonit® results were significantly higher compared to the in-house results with an overestimation in median [IQR] of 1.16 log10 copies/106 cells [1.12-1.18] whereas R-GeneTM results were not significantly higher, and an overestimation in median of 0.46 log10 copies/106 cells [0.37-0.52]. Otherwise, repeatability and reproducibility tests ...Continue Reading

References

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Citations

Mar 21, 2021·Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology·Pablyanne Tereza Louzada GuedesHélder Antônio Rebelo Pontes

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