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Fredrikson, S. et al.

Conjugal multiple sclerosis: immunogenetic characterization and analysis of T- and B-cell reactivity to myelin proteins.

We describe two families with conjugal multiple sclerosis. Onset of symptoms in the husbands occurred 11 and 17 years after onset of relapsing/remitting symptoms in their wives. There were no similarities regarding clinical manifestations of MS within each family. Evaluation of T-cell repertoire by enumeration of cells secreting interferon-gamma in response to proteolipid protein (PLP), myelin basic protein (MBP), and to various synthetic MBP peptides revealed similar patterns of T-cell reactivity within the families both in MS-affected parents and unaffected children. Genomic HLA-DR-DQ typing showed that T-cell reactivity was independent of HLA class II phenotype. Analysis of B-cell responses in blood showed low numbers of cells secreting IgG, IgA, or IgM antibodies against MBP, PLP, myelin-associated glycoprotein, and myelin-oligodendrocyte glycoprotein both in MS-affected and unaffected family members. In conclusion, our study of two families with conjugal MS has shown a dominant T-cell response against the same MBP peptide within the family both in MS-affected parents and unaffected children, and this T-cell response seems to be independent of the HLA class II phenotypes of the family members.[1]

References

Conjugal multiple sclerosis: immunogenetic characterization and analysis of T- and B-cell reactivity to myelin proteins. Fredrikson, S., Michelsberg, J., Hillert, J., Wang, Z., Sun, J.B., Olerup, O., Olsson, T., Link, H. Neurology (1992) [Pubmed]

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