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  • Title: Lipopolysaccharides in the development of the Guillain-Barré syndrome and Miller Fisher syndrome forms of acute inflammatory peripheral neuropathies.
    Author: Prendergast MM, Moran AP.
    Journal: J Endotoxin Res; 2000; 6(5):341-59. PubMed ID: 11521055.
    Abstract:
    Guillain-Barré syndrome (GBS), an acute inflammatory polyneuropathy, is preceded in most cases by an infectious illness, and Campylobacter jejuni, a leading cause of acute gastroenteritis, is the most common antecedent to GBS and its ocular variant, Miller Fisher syndrome (MFS). O (Penner) serotyping is considered to distinguish between C. jejuni strains based on differences in lipopolysaccharide (LPS) structure. Serotypes of C. jejuni uncommon in enteritis, such as serotype O:19 and O:41, have been associated with GBS. Chemical studies on the core oligosaccharide (OS) of C. jejuni LPSs from serotypes including O:1, O:2, O:4, O:10, O:19, O:23, O:36 and O:41 have revealed structures that mimic human gangliosides including GM1, GD1a, GD2, GD3, and GM2. Research has focused on the view that molecular mimicry may be a factor in the pathogenesis of GBS. Serum antibodies against gangliosides, particularly GM1 ganglioside, are present in 30% of GBS patients, and are highly associated with MFS, but are generally absent in enteritis cases uncomplicated by neuropathy. Collective data from human and animal studies with anti-ganglioside antibodies suggest a pathogenic role for the antibodies. Many aspects of the pathogenesis of GBS are unclear, in particular how LPS is presented to T cells or the role of host factors in disease development.
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