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La diabetes mellitus tipo 2 (DM2) y la sarcopenia están relacionadas con la disbiosis de la microbiota intestinal. Las intervenciones dirigidas a este eje intestino-músculo-metabolismo, incluida la dieta y los probióticos, muestran resultados prometedores para el manejo de estas afecciones interconectadas.

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DisbiosisMicrobiota intestinalSalud muscularProbióticosSarcopeniaÁcidos grasos de cadena cortaDiabetes tipo 2

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Área de la Ciencia:

  • Salud Metabólica
  • Investigación del Microbioma
  • Trastornos Musculoesqueléticos

Sus antecedentes:

  • La diabetes mellitus tipo 2 (DM2), la sarcopenia y la disbiosis de la microbiota intestinal son afecciones cada vez más reconocidas como interrelacionadas.
  • La DM2 acelera el desgaste muscular a través de la resistencia a la insulina y la inflamación, mientras que la sarcopenia exacerba la disfunción metabólica.
  • Estas afecciones forman una red fisiopatológica triangular que afecta la salud metabólica y musculoesquelética.

Objetivo del estudio:

  • Revisar la interconexión de la DM2, la sarcopenia y la disbiosis de la microbiota intestinal.
  • Explorar el potencial terapéutico de las intervenciones dirigidas a esta tríada.
  • Destacar la necesidad de estrategias integradas para la salud metabólica y musculoesquelética.

Principales métodos:

  • Búsqueda exhaustiva de literatura en PubMed, EMBASE, Scopus y Web of Science hasta julio de 2025.
  • Inclusión de estudios preclínicos y humanos que examinan la composición microbiana, los metabolitos, la inflamación, la resistencia a la insulina y el recambio de proteínas musculares.
  • Enfoque en las relaciones bidireccionales y los vínculos mecanicistas entre las afecciones.

Principales resultados:

  • Los pacientes con DM2 presentan una mayor prevalencia de sarcopenia; la reducción de la masa muscular aumenta el riesgo de DM2.
  • La disbiosis intestinal en la DM2 implica una depleción de productores de AGCC y un enriquecimiento de productores de endotoxinas, lo que provoca inflamación y resistencia a la insulina.
  • Estudios preclínicos y clínicos muestran atrofia muscular en modelos germes libres/tratados con antibióticos, con mejoras musculares/metabólicas a partir de probióticos/prebióticos.

Conclusiones:

  • La DM2, la sarcopenia y la microbiota intestinal están vinculadas a través de la resistencia a la insulina, la inflamación y la señalización alterada.
  • La modulación del eje intestino-músculo-metabolismo a través de la dieta, la modulación de la microbiota y el ejercicio es una estrategia terapéutica prometedora.
  • Se necesitan más estudios longitudinales e intervencionistas para establecer la causalidad y desarrollar terapias de precisión basadas en el microbioma.