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Eje intestino-cerebro: comprender el vínculo entre las alteraciones en la microbiota intestinal y el trastorno del
Anushka P Mishra1, Laura M Marrelli2, Felicia T Bonner-Reid3
1Medicine, Era's Lucknow Medical College and Hospital, Lucknow, IND.
Cureus
|August 27, 2025
Resumen
El trastorno del espectro autista (TEA) está relacionado con la disbiosis intestinal, que afecta el eje intestino-cerebro. Las terapias emergentes dirigidas a la microbiota intestinal son prometedoras para el manejo de los síntomas de TEA.
Área de la Ciencia:
- La neurociencia
- Microbiología
- Gastroenterología
Sus antecedentes:
- El trastorno del espectro autista (TEA) es una condición compleja del desarrollo neurológico influenciada por factores genéticos, ambientales e inmunológicos.
- El eje microbiota-intestino-cerebro es cada vez más reconocido por su papel en la fisiopatología de las TEA.
- Los síntomas gastrointestinales (GI) son comunes en niños con TEA y se correlacionan con problemas de comportamiento.
Objetivo del estudio:
- Revisar la correlación entre la disbiosis intestinal y el TEA.
- Explorar el impacto de la disbiosis intestinal en las estrategias de manejo de TEA.
Principales métodos:
- Revisión de la literatura centrada en el eje microbiota-intestino-cerebro en TEA.
- Análisis de estudios que investigan los síntomas gastrointestinales, la permeabilidad intestinal y la disbiosis en las TEA.
- Examen de las intervenciones terapéuticas actuales y emergentes.
Principales resultados:
- La disbiosis intestinal se asocia con un aumento de la permeabilidad intestinal, interrumpiendo el eje intestino-cerebro a través de vías neurológicas, inmunológicas y endocrinológicas.
- La disbiosis conduce a un aumento de las citoquinas inflamatorias, a una alteración de la producción de neurotransmisores y a cambios en los metabolitos intestinales.
- Los tratamientos como los probióticos, los prebióticos, el trasplante de microbiota fecal (FMT) y las modificaciones dietéticas muestran potencial, pero requieren más estudios.
Conclusiones:
- El eje intestino-cerebro, modulado por la microbiota intestinal, está significativamente implicado en el TEA.
- Las estrategias terapéuticas dirigidas a la disbiosis intestinal ofrecen potencial para el manejo de ASD.
- La investigación adicional es crucial para validar la eficacia y la seguridad de las intervenciones enfocadas en el intestino para los TEA.
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