Journal
EXPERT REVIEW OF CLINICAL IMMUNOLOGY
Volume 9, Issue 7, Pages 627-639Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1586/1744666X.2013.811119
Keywords
acute inflammatory demyelinating polyneuropathy; acute motor axonal neuropathy; Bickerstaff brainstem encephalitis; Campylobacter jejuni; Fisher syndrome; Guillain-Barre syndrome; molecular mimicry
Categories
Funding
- National Medical Research Council in Singapore [IRG 10nov086]
- MRC [G0501747] Funding Source: UKRI
- Medical Research Council [G0501747] Funding Source: researchfish
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Guillain-Barre syndrome (GBS) is the commonest cause of acquired flaccid paralysis in the world and regarded by many as the prototype for postinfectious autoimmunity. Here the authors consider both infectious and noninfectious triggers of GBS and determine where possible what immunological mechanisms may account for this association. In approximately two-thirds of cases, an infectious trigger is reported in the weeks that lead up to disease onset, indicating that the host's response to infection must play an important role in disease pathogenesis. The most frequently identified bacteria, Campylobacter jejuni, through a process known as molecular mimicry, has been shown to induce cross-reactive anti-ganglioside antibodies, which can lead to the development of axonal-type GBS in some patients. Whether this paradigm can be extended to other infectious organisms or vaccines remains an important area of research and has public health implications. GBS has also been reported rarely in patients with underlying systemic diseases and immunocompromised states and although the exact mechanism is yet to be established, increased susceptibility to known infectious triggers should be considered most likely.
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