Sonic Hedgehog signaling in oligodendrogenesis, myelination, demyelinating diseases, and remyelination

This article explores the role of Sonic Hedgehog (SHH) signaling in the development and function of oligodendrocytes, the myelinating cells of the central nervous system. SHH influences the specification, proliferation, and migration of oligodendrocyte precursor cells (OPCs), and is crucial during e...

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Detalhes bibliográficos
Autores: Marchena, Miguel Ángel, Sánchez-Camacho Blázquez, Cristina, Muñoz Sáez, Emma, Macías Castellano, Alba, Soubriet Castro, Fernando de
Formato: artículo
Fecha de publicación:2025
País:España
Recursos:Universidad Europea (UEM)
Repositorio:ABACUS. Repositorio de Producción Científica
Idioma:inglés
OAI Identifier:oai:abacus.universidadeuropea.com:11268/16122
Acesso em linha:https://hdl.handle.net/11268/16122
Access Level:acceso abierto
Palavra-chave:Vaina de mielina
Proteínas Hedgehog
Estructuras embrionarias
Célula
Biología celular
Investigación médica
Goal 3: Ensure healthy lives and promote well-being for all at all ages
Descrição
Resumo:This article explores the role of Sonic Hedgehog (SHH) signaling in the development and function of oligodendrocytes, the myelinating cells of the central nervous system. SHH influences the specification, proliferation, and migration of oligodendrocyte precursor cells (OPCs), and is crucial during embryonic and postnatal stages. The SHH/SMO pathway maintains OPCs in an undifferentiated state but is not essential for their final maturation or myelin formation. Experimental models suggest that modulating this pathway could enhance remyelination in diseases like multiple sclerosis and leukodystrophies. However, precise regulation is necessary to avoid adverse effects, such as tumorigenesis. The article highlights both canonical and non-canonical SHH signaling mechanisms and emphasizes the therapeutic potential of SHH/SMO “switches” to control OPC proliferation and differentiation. Further research is needed to understand the molecular environment and interactions with other pathways during demyelination and remyelination.