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  • Title: [An acute axonal form of Guillain-Barré syndrome with antibodies against gangliosides GM1 and GD1b--a case report].
    Author: Yuki N, Yoshino H, Sato S, Ohno T, Miyatake T.
    Journal: Rinsho Shinkeigaku; 1990 Sep; 30(9):989-93. PubMed ID: 2265511.
    Abstract:
    We reported a case of Guillain-Barré syndrome with autoantibodies against gangliosides GM1 and GD1b, which has not been reported yet. A 25-year-old man was admitted with a 7-day history of acute progressive weakness in the extremities. Two weeks before admission he had suffered from an episode of watery diarrhea. Neurological examination revealed areflexia and tetraparesis without any sensory impairment. Respiration and cranial nerves were not involved. The CSF protein level was 157 mg/dl with normal cellularity on the 14th illness day. The maximum M potential amplitude was 0.1 mV, which was 2% of the lower limit of normal, whereas motor and sensory nerve conduction velocities were normal on day 22. Repeated electrophysiological studies suggested that the predominant process was axonal degeneration. Although he received plasmapheresis at the acute phase, four months after onset he continued to have distal dominant limb weakness with wasting. High-performance thin-layer chromatography with immunostaining revealed that his serum IgG reacted with GM1, GD1b, and asialo-GM1. Enzyme-linked immunosorbent assay showed that anti-glycolipids antibodies titers decreased, concurrent with clinical course. Immunoabsorption study demonstrated that antibodies with anti-GM1 activity were absorbed with liposomes containing purified GD1b, indicating that autoantibodies bind to the galactosyl (beta 1-3) N-acetylgalactosaminyl moiety which is shared by GM1, GD1b, and asialo-GM1. There have been several reports of lower motor neuron diseases with monoclonal IgM antibody to GM1, GD1b, and asialo-GM1. This case suggested that the transient rise in these anti-carbohydrate antibodies may be involved in the pathogenesis of acute axonal degeneration of motor nerve as well as paraproteinemic motor neuron diseases.
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