The polarity protein Par-3 directly interacts with p75NTR to regulate myelination.
Science
; 314(5800): 832-6, 2006 Nov 03.
Article
en En
| MEDLINE
| ID: mdl-17082460
Cell polarity is critical in various cellular processes ranging from cell migration to asymmetric cell division and axon and dendrite specification. Similarly, myelination by Schwann cells is polarized, but the mechanisms involved remain unclear. Here, we show that the polarity protein Par-3 localizes asymmetrically in Schwann cells at the axon-glial junction and that disruption of Par-3 localization, by overexpression and knockdown, inhibits myelination. Additionally, we show that Par-3 directly associates and recruits the p75 neurotrophin receptor to the axon-glial junction, forming a complex necessary for myelination. Together, these results point to a critical role in the establishment of cell polarity for myelination.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Células de Schwann
/
Proteínas Portadoras
/
Polaridad Celular
/
Receptores de Factores de Crecimiento
/
Vaina de Mielina
/
Proteínas del Tejido Nervioso
Límite:
Animals
Idioma:
En
Revista:
Science
Año:
2006
Tipo del documento:
Article
País de afiliación:
Estados Unidos
Pais de publicación:
Estados Unidos