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Targeting Epstein-Barr virus to treat MS
Tanuja Chitnis1, Howard L Weiner1
1Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115 USA.
Med (New York, N.Y.)
|May 19, 2022
Summary
Epstein-Barr virus (EBV) strongly links to multiple sclerosis (MS) development. Researchers found EBV-infected B cells in MS patients, suggesting EBV as a key trigger for this neurological disease.
Area of Science:
- Neuroimmunology
- Viral Immunology
Background:
- Epstein-Barr virus (EBV) is hypothesized to trigger multiple sclerosis (MS).
- Previous studies suggest a link between EBV and MS pathogenesis.
Purpose of the Study:
- To investigate the association between Epstein-Barr virus infection and the risk of developing multiple sclerosis.
- To identify specific immune responses related to EBV in multiple sclerosis patients.
Main Methods:
- Longitudinal analysis of a large cohort (10 million adults) to assess MS risk following EBV infection.
- Identification and characterization of clonally expanded B cells in MS patients, focusing on their binding properties to EBV antigens and glial cells.
Main Results:
- A strong association was established between Epstein-Barr virus infection and a significantly increased risk of multiple sclerosis.
- Clonally expanded B cells that recognize both EBV's EBNA1 protein and GlialCam were identified in individuals with MS.
Conclusions:
- Epstein-Barr virus infection is strongly implicated as a trigger for multiple sclerosis.
- The presence of specific EBV-reactive B cells in MS patients provides further evidence for EBV's role in the disease's etiology.
