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| Content Provider | PubMed Central |
|---|---|
| Author | Stevens, Servi J. C. Verkuijlen, Sandra A. W. M. Brule, Adriaan J. C. Van Den Middeldorp, Jaap M. |
| Copyright Year | 2002 |
| Abstract | The aim of this study was to develop a LightCycler-based real-time PCR assay for monitoring the Epstein-Barr virus (EBV) DNA load in unfractionated whole blood. This assay was compared with quantitative competitive PCR (Q-PCR) for EBV. The LightCycler-based assay was highly sensitive and reproducible when quantifying plasmid DNA in either the presence or absence of healthy donor blood DNA. Amplifying plasmid DNA in DNA backgrounds from different donors slightly increased the variation of quantification, indicating that clinical specimen DNA has an influence on quantification. In most transplant recipients, a good correlation was observed between EBV DNA load dynamics determined by LightCycler and Q-PCR in follow-up samples, although the correlation between absolute values of EBV DNA loads was weak and occasional samples were false negative in the LightCycler assay. In 253 cross-sectional blood samples from patients with Burkitt's lymphoma, infectious mononucleosis, or human immunodeficiency virus infection, a weak but significant correlation between the two methods was found (r 2 = 0.37, P < 0.001). Our results indicate that the clinical specimen DNA background may influence the absolute values of EBV DNA load in LightCycler analyses but that this effect is rare. LightCycler PCR is very well suited for monitoring of EBV DNA load dynamics, and its diagnostic value is comparable to that of Q-PCR. To avoid false negativity or underestimation of viral load, future internal calibration of the LightCycler is recommended. This would also enhance EBV load assay standardization and interinstitute comparisons. |
| Related Links | http://dx.doi.org/10.1128/jcm.40.11.3986-3992.2002 |
| Ending Page | 3992 |
| Page Count | 7 |
| Starting Page | 3986 |
| File Format | |
| ISSN | 00951137 |
| e-ISSN | 1098660X |
| Journal | Journal of Clinical Microbiology |
| Issue Number | 11 |
| Volume Number | 40 |
| Language | English |
| Publisher | American Society for Microbiology |
| Publisher Date | 2002-11-01 |
| 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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