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Updated: Jan 31, 2026

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Descifrando la interacción entre la inflamación y la autofagia desregulada en la nefritis lúpica a través del

Runrun Zhang¹, Xin Lv¹, Qice Sun²

¹The Second Affiliated Hospital of Zhejiang Chinese Medical University, The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.

Frontiers in cell and developmental biology

|January 30, 2026

Resumen

La desregulación de la autofagia está implicada en la nefritis lúpica (NL). Este estudio identifica el receptor del factor de crecimiento epidérmico (EGFR) como un factor clave que afecta la autofagia de los podocitos en la NL, ofreciendo posibles dianas terapéuticas.

Área de la Ciencia:

Nefrología
Biología Molecular
Inmunología

Sus antecedentes:

La desregulación de la autofagia es un factor importante en la patogénesis de la nefritis lúpica (NL).
Los genes y mecanismos específicos relacionados con la autofagia en la NL siguen sin definirse en gran medida.
La comprensión de estas firmas moleculares es crucial para el desarrollo de tratamientos eficaces para la NL.

Objetivo del estudio:

Identificar sistemáticamente firmas moleculares relacionadas con la autofagia en la NL.
Elucidar los mecanismos celulares y moleculares subyacentes de la autofagia en la NL.
Descubrir biomarcadores diagnósticos potenciales y dianas terapéuticas para la NL.

Principales métodos:

Análisis transcriptómico de tejidos renales de NL y de control para identificar genes diferencialmente expresados (DEGs).
Intersección de DEGs con conjuntos de genes de autofagia para encontrar DEGs relacionados con la autofagia (ARDEGs).
Identificación de genes centrales mediante análisis de redes (PPI, WGCNA), seguida de validación con datos de célula única y técnicas experimentales (qRT-PCR, IHC, TEM).

Principales resultados:

Se identificaron 445 ARDEG enriquecidos en las vías de autofagia, PI3K-Akt/mTOR y MAPK.
Se descubrieron once genes centrales, con EGFR y RAF1 mostrando un alto valor diagnóstico y correlación con la infiltración inmune.
Se validó la expresión elevada de EGFR en podocitos de NL, demostrando su papel en la promoción de la acumulación de autófagosomas y la afectación de la autofagia.

Conclusiones:

El receptor del factor de crecimiento epidérmico (EGFR) es un regulador clave de la autofagia en la nefritis lúpica (NL).
El exceso de activación del EGFR perjudica la autofagia de los podocitos en la NL.
El EGFR representa una prometedora diana terapéutica para el manejo de la NL mediante la modulación de la autofagia de los podocitos.

Palabras clave:

EGFR autofagia validación experimental nefritis lúpica análisis de redes

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