Journal
MULTIPLE SCLEROSIS JOURNAL
Volume 15, Issue 2, Pages 153-158Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458508097920
Keywords
Epstein-Barr virus; multiple sclerosis; quantitative PCR; relapse
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Funding
- Serono/Pfizer
- Clayton Foundation for Research
- University of Texas Clinical Research Unit [UL1 RR024148]
- University of Texas-Houston
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Background Epstein-Barr virus (EBV) is associated with MS, but it is not clear whether EBV plays a role in the pathogenesis of MS. Hypothesis We hypothesized that the immune control of EBV might be defective in MS, and that reactivation of EBV might drive the immune response in MS. Methods We collected blood from controls and patients with MS, and measured the amounts of EBV DNA and RNA using quantitative PCR. Results We found that EBV DNA and RNA were frequently detectable in peripheral blood leukocytes from both patients with MS and normal controls. There was no significant difference between patients with MS or controls. Paired samples from a small number of subjects suggest that EBV DNA may increase before and during clinical relapse. Conclusions We conclude that the immune control of EBV infection is similar in MS and controls, and that reactivation of EBV may correlate with MS disease activity. Multiple Sclerosis 2009; 15: 153-158. http://msj.sagepub.com
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