Journal
EXPERT REVIEW OF CLINICAL IMMUNOLOGY
Volume 16, Issue 12, Pages 1143-1157Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/1744666X.2021.1847642
Keywords
Multiple sclerosis; Epstein-Barr virus; etiology; risk factor; antibodies; seropositivity; seroprevalence
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Funding
- Stiftung Charite (BIH Clinical Fellow Program) [BIH_PRO_551]
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Introduction: Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system. While its exact etiology is unknown, it is generally believed that MS is caused by environmental triggers in genetically predisposed individuals. Strong and consistent evidence suggests a key role of Epstein-Barr virus (EBV), a B lymphotropic human gammaherpesvirus, in the etiology of MS. Areas covered: This review summarizes recent developments in the field of EBV and MS with a focus on potential mechanisms underlying the role of EBV in MS. PubMed was searched for the terms 'Epstein-Barr virus' and 'multiple sclerosis'. Expert opinion: The current evidence is compatible with the working hypothesis that MS is a rare complication of EBV infection. Under the premise of a causative role of EBV in MS, it needs to be postulated that EBV causes a specific, and likely persistent, change(s) that is necessarily required for the development of MS. However, although progress has been made, the nature of that change and thus the precise mechanism explaining the role of EBV in MS remain elusive. The mechanism of EBV in MS therefore is a pressing question, whose clarification may substantially advance the pathophysiological understanding, rational therapies, and prevention of MS.
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