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[El sistema glinfático en la salud y la enfermedad: una revisión narrativa]

A R Grishina¹, O M Vorobyova¹, I A Danilova¹

¹Almazov National Medical Research Center, St. Petersburg, Russia.

Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko

|August 27, 2025

Resumen

El sistema glinfático elimina los desechos cerebrales a través del flujo de líquido cefalorraquídeo (LCR) a través de los espacios perivasculares. Los gliomas interrumpen este flujo de salida del LCR, lo que lleva a una acumulación tóxica y dificulta la inmunidad antitumoral y la administración de fármacos.

Área de la Ciencia:

La neurociencia
Biología celular
Inmunología

Sus antecedentes:

El sistema glinfático facilita el transporte del líquido cefalorraquídeo (LCR) y la eliminación de desechos en el cerebro.
Los espacios perivasculares y los astrocitos son componentes clave del sistema glifático.
El flujo de salida del LCR se produce a través de las vías periarterial, periveno y linfática.

Objetivo del estudio:

Investigar el impacto de los gliomas en las vías de salida del líquido cefalorraquídeo del sistema glifático.
Comprender cómo el deterioro de la circulación del LCR afecta la salud del cerebro y la inmunidad antitumoral en pacientes con glioma.

Principales métodos:

El estudio revisa la anatomía funcional del sistema glinfático.
Analiza las consecuencias de la obstrucción inducida por glioma de las vías de salida del LCR.
Se discuten las implicaciones para la acumulación de metabolitos tóxicos, la respuesta inmune y la administración de fármacos.

Principales resultados:

Los gliomas inhiben el flujo de salida normal del LCR, causando un flujo compensatorio a lo largo de la médula espinal.
El flujo de salida deteriorado conduce a la acumulación de productos tóxicos y mediadores inflamatorios.
Se reduce el transporte de antígenos a los ganglios linfáticos, lo que compromete la inmunidad antitumoral.
La alteración de la circulación del LCR tiene un impacto negativo en la eficacia de la administración intracraneal del fármaco.
La migración de células tumorales a lo largo de las vías linfáticas contribuye a la metástasis del glioma.

Conclusiones:

Los gliomas interrumpen significativamente la función del sistema glinfático, afectando la homeostasis del cerebro.
Las estrategias terapéuticas dirigidas a la salida del líquido cefalorraquídeo pueden mejorar los resultados del tratamiento del glioma.
Comprender la dinámica del sistema glinfático es crucial para el manejo de tumores cerebrales y complicaciones relacionadas.

Palabras clave:

Acuaporina-4 y sus derivados el glioblastoma el glioma sistema glinfático Los vasos linfáticos meníngeos

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