Eje intestino–sistema osteomioarticular: mecanismos fisiopatológicos y aplicaciones clínicas.
DOI:
https://doi.org/10.12873/454vmmartinezPalabras clave:
Microbiota intestinal; Ácidos grasos de cadena corta; Permeabilidad intestinal; GLP-2; GLP-1; Osteoporosis; Osteoartritis; Sarcopenia.Resumen
Introducción: La microbiota intestinal influye en procesos inmunológicos, endocrinos y metabólicos que impactan la homeostasis ósea, muscular y articular. Este eje intestino–sistema osteomioarticular integra metabolitos bacterianos, citoquinas y hormonas intestinales; su desregulación se relaciona con osteoporosis, sarcopenia y enfermedades articulares inflamatorias. Objetivo: Revisar los mecanismos fisiopatológicos que vinculan la microbiota intestinal con el sistema osteomioarticular y explorar aplicaciones clínicas potenciales. Método: Revisión narrativa con elementos sistematizados (PRISMA 2020). Fuentes: PubMed/MEDLINE, Scopus/Embase y Web of Science (2015–2025). Criterios predefinidos para inclusión/exclusión, selección por pares, evaluación del sesgo (RoB2, ROBINS-I, JBI, SYRCLE) y calificación de certeza (GRADE). Se identificaron 612 registros; 58 estudios cumplieron criterios y se incorporaron a la síntesis cualitativa. Resultados: La disbiosis intestinal incrementa la permeabilidad intestinal y la translocación de lipopolisacáridos, activando receptores TLR4 en hueso y cartílago, lo que favorece inflamación crónica y degradación de matriz. El desequilibrio Th17/Treg estimula la osteoclastogénesis, mientras que los ácidos grasos de cadena corta favorecen la función osteoblástica y muscular. Probióticos y prebióticos han mostrado efectos antiinflamatorios y osteoprotectores en modelos animales y estudios piloto en humanos. Conclusiones: El eje intestino–sistema osteomioarticular es un campo emergente con aplicaciones clínicas prometedoras. Su modulación mediante estrategias nutricionales y terapias dirigidas podría contribuir a la prevención y tratamiento de patologías metabólicas óseas y articulares.
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