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Papel de la conexina 43 en la transferencia mitocondrial y la homeostasis en el sistema nervioso central

Anna Gervasi¹, Simona D'Aprile¹, Simona Denaro¹

¹Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.

Journal of cellular physiology

|August 21, 2025

Resumen

La proteína Connexin 43 (Cx43) es vital para la comunicación celular y la función mitocondrial en el sistema nervioso central (SNC). Sus funciones en la transferencia y función mitocondrial ofrecen objetivos terapéuticos potenciales para trastornos neurológicos.

Área de la Ciencia:

La neurociencia
Biología celular
La bioquímica

Sus antecedentes:

La conexina 43 (Cx43) forma uniones de hueco (GJ) y hemicanales (HC), cruciales para la comunicación intercelular y la homeostasis de los tejidos.
Cx43 se reconoce cada vez más dentro de las mitocondrias (mt-Cx43), lo que sugiere nuevas funciones más allá de la señalización celular.
Si bien las funciones de mt-Cx43 se estudian en el sistema cardiovascular, su papel en el sistema nervioso central (SNC) sigue siendo menos comprendido.

Objetivo del estudio:

Revisar el conocimiento actual de Cx43 y mt-Cx43 en el SNC.
Explorar las funciones duales de Cx43 en la función mitocondrial y la transferencia interorgánica dentro del SNC.
Para resaltar el potencial de Cx43 como objetivo terapéutico para trastornos neurológicos.

Principales métodos:

Revisión de la literatura de los hallazgos recientes sobre Cx43 y mt-Cx43.
Análisis de la participación de Cx43 en la dinámica y transferencia mitocondrial.
Síntesis de información sobre el papel de Cx43 en la homeostasis y la patología del SNC.

Principales resultados:

Cx43 media la transferencia mitocondrial, que es esencial para la homeostasis del SNC y la neuroprotección.
mt-Cx43 influye en la producción de ATP, el manejo del calcio y la respuesta al estrés oxidativo en las células del SNC.
Las funciones duales de Cx43 en la regulación y transferencia mitocondrial presentan mecanismos de coordinación complejos.

Conclusiones:

Cx43 juega un papel importante en el mantenimiento de la salud del SNC a través de la regulación y transferencia mitocondrial.
La comprensión de las funciones de Cx43 en el SNC es fundamental para el desarrollo de terapias dirigidas para enfermedades neurológicas.
Se requiere más investigación sobre la coordinación de las funciones mitocondriales de Cx43.

Palabras clave:

Enlace de separación la homeostasis Comunicación entre las células el metabolismo trastorno neurológico

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