alexa Monoclonal MOG-reactive autoantibody from progressive EAE has the characteristics of a natural antibody.


Journal of Clinical & Cellular Immunology

Author(s): Libbey JE, Peterson LK, Tsunoda I, Fujinami RS

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Abstract A.SW mice sensitized with myelin oligodendrocyte glycoprotein (MOG)92-106 is an animal model for progressive multiple sclerosis (MS). We isolated MOG-reactive monoclonal antibodies that were immunoglobulin (Ig)M and polyreactive, similar to natural autoantibodies. Upon analysis of the variable (V) light chains and the diversity (D) and joining (J) regions of V heavy chains, we found they were identical to germ line Vkappa19/28, Jkappa5, DFL16.1e and JH4, respectively. The sequence of the VH region had 99.7\% and 100\% identity at the nucleotide and amino acid levels, respectively, compared with the germ line encoded antibody, P3, of the Q52 family. Although A strain mice have been reported to have an insertion in BAFF-R, the receptor for BAFF (B cell activation factor from the tumor necrosis factor family), which could explain our results, A.SW mice have no mutations in BAFF-R. This article was published in J Neuroimmunol and referenced in Journal of Clinical & Cellular Immunology

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