Evaluation of Epstein-Barr virus-specific antibodies in Cypriot multiple sclerosis patients

This study aims to evaluate for the first time the seroprevalence of EBV in Cypriot MS patients. The serum of 133 MS patients and 101 healthy controls (HCs) was used to determine the positivity index of the EBV nuclear antigen-1 (EBNA-1) IgG, viral capsid antigen (VCA) IgG, and early antigen-D (EA-D) IgG, using ELISA. All MS patients were seropositive for both EBNA-1 IgG and VCA IgG as compared to 94.1% (Fisher's exact test, p = 0.0059) and 93.1% (Fisher's exact test, p = 0.0025) of HCs respectively. Furthermore, the positivity indexes of both antibodies were significantly higher in MS patients. There was no significant difference in the presence/absence of EA-D IgG between the two groups nor in the corresponding P.I. levels. The results obtained, revealing higher seropositivit...

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