Chronic inflammatory demyelinating polyneuropathy sera inhibit axonal growth of mouse dorsal root ganglion neurons by activation of Rho-kinase

Annals of Neurology
Junko TaniguchiSatoshi Kuwabara

Abstract

Clinical course and prognosis are variable among patients with chronic inflammatory demyelinating polyneuropathy (CIDP), whereas the extent of axonal degeneration is the major prognostic factor. We studied the effects of sera from CIDP patients on axonal growth in cultured mouse dorsal root ganglion neurons. Compared with control sera, CIDP sera prominently suppressed axonal outgrowth of dorsal root ganglion neurons and shortened axonal length. The inhibitory activity was abolished by adding Y27632, a Rho-kinase inhibitor. These findings suggest that CIDP sera inhibit axonal elongation by Rho-kinase activation, and some serum factors may be responsible for development of axonal degeneration in CIDP.

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Citations

May 7, 2013·La Presse médicale·Marinos C Dalakas
Jan 10, 2012·European Journal of Paediatric Neurology : EJPN : Official Journal of the European Paediatric Neurology Society·Antoinetta G M RiekhoffBerten P G M Ceulemans
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Aug 17, 2011·Nature Reviews. Neurology·Marinos C Dalakas, UNKNOWN Medscape

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