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Isolation and Quantification of Epstein-Barr Virus from the P3HR1 Cell Line
Published on: September 28, 2022
Epstein-Barr virus and multiple sclerosis
Marco Salvetti1, Gavin Giovannoni, Francesca Aloisi
1Department of Neurology and Center for Experimental Neurological Therapy, S. Andrea Hospital, University of Rome La Sapienza, Rome, Italy.
Purpose Of Review:
Recent studies have revived interest in the long-scrutinized association between Epstein-Barr virus (EBV) and multiple sclerosis (MS). We review this evidence and discuss it in relation to MS pathological and clinical features and patients' response to immunosuppressive therapies.
Recent Findings:
Serological evidence of previous exposure to EBV in children with MS supports a role for EBV infection early in MS pathogenesis, as already indicated by prospective studies in adults. Higher antibody titers and T-cell responses to EBV in patients compared to healthy EBV carriers indicate possible continuous viral reactivation, whereas there is some evidence that EBV could break immune tolerance to myelin antigens through molecular mimicry. Detection of EBV-infected B-cells in patients' brain raises the possibility that intrathecal B-cell abnormalities and T-cell-mediated immunopathology in MS are the consequence of a persistently dysregulated EBV infection. Accordingly, targeting T-cells and/or B-cells with monoclonal antibody therapies ameliorates MS. Whether EBV has a causative or pathogenic role in MS can now be addressed in relation to genetic, hormonal and other environmental influences that may affect EBV-host interactions.
Summary:
By shedding light on the involvement of EBV in MS, these findings will pave the way to disease prevention and increase the therapeutic index of future treatments.
Insights
Epstein-Barr virus (EBV) infection in childhood is linked to multiple sclerosis (MS) development. EBV reactivation and its effects on immune cells may drive MS pathology, suggesting new therapeutic targets.
Area of Science:
- Neuroimmunology
- Virology
- Epidemiology
Background:
- The association between Epstein-Barr virus (EBV) and multiple sclerosis (MS) is under renewed investigation.
- Understanding this link is crucial for unraveling MS pathogenesis.
Purpose of the Study:
- To review current evidence on the EBV-MS association.
- To discuss the findings in the context of MS pathology, clinical features, and treatment responses.
Main Methods:
- Review of serological and prospective studies.
- Analysis of antibody titers and T-cell responses to EBV.
- Examination of EBV-infected B-cells in MS brain tissue.
Main Results:
- Childhood EBV exposure is associated with MS.
- Elevated EBV responses in MS patients suggest viral reactivation.
- EBV may trigger autoimmunity via molecular mimicry.
- EBV-infected B-cells in the brain may drive MS immunopathology.
- Targeting B-cells and T-cells with therapies improves MS outcomes.
Conclusions:
- EBV involvement in MS pathogenesis is increasingly evident.
- Findings may lead to novel MS prevention strategies.
- Understanding the EBV-MS link can enhance future MS therapies.
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