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Updated: Jan 29, 2026
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Análisis de redes de coexpresión de alta dimensionalidad revela expresión génica persistente de TRH en la
Iveth Gómez-Morales1, Adriana P Mendizabal-Ruiz2, J Alejandro Morales1
1Biodigital Innovation Lab. Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico.
Frontiers in bioinformatics
|January 28, 2026
Resumen
Los axolotes pueden regenerar el telencéfalo de su cerebro después de una lesión. Este estudio identificó genes clave, incluida la hormona liberadora de tirotropina (TRH), involucrados en este notable proceso de regeneración cerebral.
Área de la Ciencia:
- Neurociencia
- Medicina Regenerativa
- Biología Molecular
Sus antecedentes:
- El axolote (Ambystoma mexicanum) exhibe una regeneración notable del telencéfalo, una capacidad rara en los vertebrados.
- Comprender los fundamentos genéticos de esta regeneración es crucial para avanzar en la medicina regenerativa.
Objetivo del estudio:
- Identificar genes clave (genes clave) que impulsan la regeneración del telencéfalo de axolote.
- Mapear las ubicaciones celulares de estos genes clave durante el proceso de regeneración.
Principales métodos:
- Análisis de datos transcriptómicos espaciotemporales.
- Aplicación de análisis de redes de coexpresión de genes ponderados de alta dimensionalidad (hdWGCNA).
- Integración con redes de interacción proteína-proteína y validación de literatura.
Principales resultados:
- Identificación de 180 genes clave a lo largo del cronograma de regeneración.
- La hormona liberadora de tirotropina (TRH) surgió consistentemente como un gen clave, localizado en regiones enriquecidas con MSN.
- Se descubrieron patrones de genes específicos de etapa y de célula, revelando un paisaje transcripcional dinámico.
Conclusiones:
- Se generó un mapa completo de coexpresión génica de la regeneración del telencéfalo de axolote.
- Se identificaron genes clave y estados transcripcionales, incluido un estado de MSN vinculado a TRH.
- Estos hallazgos proporcionan una base para futuras investigaciones sobre los mecanismos de reparación cerebral de axolote.
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