Nogo receptor 1 regulates Caspr distribution at axo-glial units in the central nervous system.
Sci Rep
; 7(1): 8958, 2017 08 21.
Article
en En
| MEDLINE
| ID: mdl-28827698
ABSTRACT
Axo-glial units are highly organised microstructures propagating saltatory conduction and are disrupted during multiple sclerosis (MS). Nogo receptor 1 (NgR1) has been suggested to govern axonal damage during the progression of disease in the MS-like mouse model, experimental autoimmune encephalomyelitis (EAE). Here we have identified that adult ngr1 -/- mice, previously used in EAE and spinal cord injury experiments, display elongated paranodes, and nodes of Ranvier. Unstructured paranodal regions in ngr1 -/- mice are matched with more distributed expression pattern of Caspr. Compound action potentials of optic nerves and spinal cords from naïve ngr1 -/- mice are delayed and reduced. Molecular interaction studies revealed enhanced Caspr cleavage. Our data suggest that NgR1 may regulate axo-myelin ultrastructure through Caspr-mediated adhesion, regulating the electrophysiological signature of myelinated axons of central nervous system (CNS).
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Nódulos de Ranvier
/
Axones
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Moléculas de Adhesión Celular Neuronal
/
Sistema Nervioso Central
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Receptor Nogo 1
Límite:
Animals
Idioma:
En
Revista:
Sci Rep
Año:
2017
Tipo del documento:
Article
País de afiliación:
Australia