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pubmed:abstractText |
We report the case of a patient with a severe, predominantly motor, demyelinating neuropathy associated with an IgM kappa biclonal gammopathy. Immunoblot studies showed IgM reactivity against MAG, and IgG reactivity against a peripheral nerve myelin-specific protein of approximately 35 kDa. Immunodetection by thin layer chromatography showed IgM reactivity towards GM1 and GD1b, as well as towards SGPG and SGLPG. This case illustrates the existence of overlapping syndromes among dysglobulinemic neuropathies, and points to an interaction of different autoantibodies in the pathogenesis of the nerve lesions.
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