Journal
ANNALS OF NEUROLOGY
Volume 58, Issue 2, Pages 203-210Publisher
WILEY
DOI: 10.1002/ana.20546
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Funding
- Wellcome Trust Funding Source: Medline
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A large body of clinical and experimental data indicate that complement activation is an important mechanism for neuronal and filial injury in Guillain-Barre syndromes. Inhibition of complement activation therefore might be expected to limit the progression of the disease. Using in vitro and in vivo models of the Guillain-Barre syndrome variant, Miller Fisher syndrome, we have shown previously that anti-GQ1b ganglioside antibodies target the presynaptic motor nerve terminal axon and surrounding perisynaptic Schwann cells, thereby mediating destructive injury through deposition of membrane attack complex. Here, we have used this model to investigate the effects of a novel therapeutic inhibitor of complement activation, APT070 (Mirococept), both in vitro and in vivo. In these models, APT070 completely prevents membrane attack complex formation, and thereby has a major neuroprotective effect at the nerve terminal, as assessed by immunohistology of perisynaptic Schwann cell and axonal integrity. These data provide a rationale for considering clinical trials of APT070 in Guillain-Barre syndrome, its variant forms, and other complement dependent neuromuscular disorders.
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