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Strains of Epstein-Barr virus infecting multiple sclerosis patients.
Mult Scler 2010; 16(6):643-51MS

Abstract

Both epidemiological and experimental studies have indicated that the ubiquitous herpesvirus Epstein-Barr virus (EBV) plays a role in the pathogenesis of multiple sclerosis (MS). Some features of MS epidemiology, such as the decline in risk among migrants from high to low MS prevalence areas, suggest the presence of variant EBV strains that increase MS risk. The objective of this study was to investigate whether genetic variability in EBV is associated with MS. Genes encoding for two EBV antigens (EBNA1 and BRRF2) were sequenced in EBV isolates from 40 MS patients and a similar number of control subjects. These viral antigens were chosen for analysis because they are known to stimulate atypical immune responses in MS. Extensive sequence polymorphism was observed within the EBNA1 and BRRF2 genes in isolates from both MS patients and controls. Interestingly, several single nucleotide polymorphisms within the EBNA1 gene, and one within the BRRF2 gene, were found to occur at marginally different frequencies in EBV strains infecting MS patients versus controls. Although this study does not find a simple causal relationship between EBV strains and the occurrence of MS, the existence of haplotypes that occur at different frequencies in MS patients versus controls may provide an area for future study of the role of EBV strain variation in multiple sclerosis.

Authors+Show Affiliations

Queensland Institute of Medical Research and Australian Centre for Vaccine Development, Australia.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20350958

Citation

Brennan, R M., et al. "Strains of Epstein-Barr Virus Infecting Multiple Sclerosis Patients." Multiple Sclerosis (Houndmills, Basingstoke, England), vol. 16, no. 6, 2010, pp. 643-51.
Brennan RM, Burrows JM, Bell MJ, et al. Strains of Epstein-Barr virus infecting multiple sclerosis patients. Mult Scler. 2010;16(6):643-51.
Brennan, R. M., Burrows, J. M., Bell, M. J., Bromham, L., Csurhes, P. A., Lenarczyk, A., ... Burrows, S. R. (2010). Strains of Epstein-Barr virus infecting multiple sclerosis patients. Multiple Sclerosis (Houndmills, Basingstoke, England), 16(6), pp. 643-51. doi:10.1177/1352458510364537.
Brennan RM, et al. Strains of Epstein-Barr Virus Infecting Multiple Sclerosis Patients. Mult Scler. 2010;16(6):643-51. PubMed PMID: 20350958.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Strains of Epstein-Barr virus infecting multiple sclerosis patients. AU - Brennan,R M, AU - Burrows,J M, AU - Bell,M J, AU - Bromham,L, AU - Csurhes,P A, AU - Lenarczyk,A, AU - Sverndal,J, AU - Klintenstedt,J, AU - Pender,M P, AU - Burrows,S R, Y1 - 2010/03/29/ PY - 2010/3/31/entrez PY - 2010/3/31/pubmed PY - 2010/9/24/medline SP - 643 EP - 51 JF - Multiple sclerosis (Houndmills, Basingstoke, England) JO - Mult. Scler. VL - 16 IS - 6 N2 - Both epidemiological and experimental studies have indicated that the ubiquitous herpesvirus Epstein-Barr virus (EBV) plays a role in the pathogenesis of multiple sclerosis (MS). Some features of MS epidemiology, such as the decline in risk among migrants from high to low MS prevalence areas, suggest the presence of variant EBV strains that increase MS risk. The objective of this study was to investigate whether genetic variability in EBV is associated with MS. Genes encoding for two EBV antigens (EBNA1 and BRRF2) were sequenced in EBV isolates from 40 MS patients and a similar number of control subjects. These viral antigens were chosen for analysis because they are known to stimulate atypical immune responses in MS. Extensive sequence polymorphism was observed within the EBNA1 and BRRF2 genes in isolates from both MS patients and controls. Interestingly, several single nucleotide polymorphisms within the EBNA1 gene, and one within the BRRF2 gene, were found to occur at marginally different frequencies in EBV strains infecting MS patients versus controls. Although this study does not find a simple causal relationship between EBV strains and the occurrence of MS, the existence of haplotypes that occur at different frequencies in MS patients versus controls may provide an area for future study of the role of EBV strain variation in multiple sclerosis. SN - 1477-0970 UR - https://www.unboundmedicine.com/medline/citation/20350958/Strains_of_Epstein_Barr_virus_infecting_multiple_sclerosis_patients_ L2 - http://journals.sagepub.com/doi/full/10.1177/1352458510364537?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -