Article ; Online: The incidental finding of elevated anti GQ1B antibodies in a patient with selective small fiber neuropathy.
Journal of the neurological sciences
2018 Volume 388, Page(s) 192–194
Abstract: Small fiber neuropathy (SFN) selectively affects small diameter sensory and/or autonomic axons. Pain and autonomic dysfunctions are the most common symptoms. SFN occurs in several autoimmune diseases and autoantibodies against neuronal proteins may play ... ...
Abstract | Small fiber neuropathy (SFN) selectively affects small diameter sensory and/or autonomic axons. Pain and autonomic dysfunctions are the most common symptoms. SFN occurs in several autoimmune diseases and autoantibodies against neuronal proteins may play a role in SFN pathophysiology. Anti-GQ1b antibody has been associated with Miller Fisher syndrome, Bickerstaff's brainstem encephalitis, acute ophthalmoplegia, pharyngeal-cervical-brachial weakness and peripheral neuropathy involving large fibers. Isolated SFN associated with anti-GQ1b antibodies has not been previously reported. Here we report a 45-year-old woman presenting with highly positive anti-GQ1b titer and selective SFN without central nervous system or peripheral large nerve involvement. She improved upon administration of adalizumab. Further studies will clarify a possible pathogenetic role of antiganglioside antibodies in SFN. Moreover, the recognition of antiganglioside antibodies in SFN may have therapeutic consequences with patients who would benefit from immunotherapy. |
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MeSH term(s) | Autoantibodies/metabolism ; Biomarkers/metabolism ; Female ; Gangliosides/immunology ; Humans ; Immunoglobulin M/metabolism ; Incidental Findings ; Middle Aged ; Small Fiber Neuropathy/diagnosis ; Small Fiber Neuropathy/drug therapy ; Small Fiber Neuropathy/immunology ; Small Fiber Neuropathy/pathology |
Chemical Substances | Autoantibodies ; Biomarkers ; Gangliosides ; Immunoglobulin M ; GQ1b ganglioside (68652-37-9) |
Language | English |
Publishing date | 2018-03-22 |
Publishing country | Netherlands |
Document type | Case Reports ; Letter |
ZDB-ID | 80160-4 |
ISSN | 1878-5883 ; 0022-510X ; 0374-8642 |
ISSN (online) | 1878-5883 |
ISSN | 0022-510X ; 0374-8642 |
DOI | 10.1016/j.jns.2018.03.030 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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