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Ceramida como un factor regulador clave en el impacto del índice inflamatorio dietético en la estabilidad de la placa

Zhenjuan Zhao^1,2, Rui Wang³, Yini Wang¹

¹Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.

Scientific reports

|February 10, 2026

Resumen

Los patrones dietéticos afectan la estabilidad de la placa cardiovascular al alterar los metabolitos lipídicos y la inflamación. Este estudio identifica ceramidas específicas como mediadores clave, revelando cómo la dieta influye en la estabilidad de la placa a través del metabolismo de los esfingolípidos.

Área de la Ciencia:

Metabolomía y Lipidomía.
Investigación de Enfermedades Cardiovasculares Investigación de Enfermedades Cardiovasculares
La inmunología nutricional.

Sus antecedentes:

La dieta influye significativamente en la estabilidad de la placa cardiovascular al modular los procesos inflamatorios.
Los metabolitos lipídicos juegan un papel complejo en la interacción entre la dieta y la inflamación.
La comprensión de estos mecanismos es crucial para el manejo de la enfermedad coronaria (CHD).

Objetivo del estudio:

Para identificar los principales metabolitos lipídicos que vinculan los factores dietéticos a la estabilidad de la placa utilizando la metabolomía.
Esclarecer las vías causales a través de las cuales la dieta afecta la inflamación y la estabilidad de la placa.
Investigar el papel de especies específicas de ceramida en la inflamación inducida por la dieta y la enfermedad coronaria.

Principales métodos:

Utilizó el Índice Inflamatorio Dietético (DII) para evaluar la calidad de la dieta.
La puntuación de propensión empleada coincide para crear grupos de pacientes antiinflamatorios y proinflamatorios.
Realizó metabolomías lipídicas ampliamente dirigidas a través de UPLC-MS/MS y analizó los factores inflamatorios séricos.
Aplicó un modelo de red bayesiana para determinar las relaciones causales.

Principales resultados:

Se identificaron 22 metabolitos lipídicos de expresión diferencial, relacionados principalmente con el metabolismo de los esfingolipidos y nueve especies de ceramidas.
La red bayesiana reveló vínculos causales entre DII, seis especies específicas de ceramidas, cinco factores inflamatorios y la estabilidad de la placa.
Se identificaron especies de ceramidas como metabolitos diferenciales clave que distinguen los estados inflamatorios y median los efectos dietéticos en la estabilidad de la placa.

Conclusiones:

La ingesta dietética tiene un impacto significativo en la estabilidad de la placa cardiovascular a través de la modulación del metabolismo de los lípidos, en particular los esfingolípidos como las ceramidas.
Se identifican especies ceramidas específicas y factores inflamatorios como mediadores cruciales en la relación de estabilidad dieta-placa.
Estos hallazgos destacan los objetivos potenciales para las intervenciones dietéticas para mejorar la salud cardiovascular.

Palabras clave:

Las ceramidas son ceramidas.El índice inflamatorio dietético es el índice inflamatorio dietético.La inflamación es la inflamación.Los metabolitos de los lípidos.Estabilidad de la placa.

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