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El complejo NRF2-SOX4 regula la PSPH en el carcinoma hepatocelular y modula la diferenciación de los macrófagos M2

  • 0Graduate Institute of Clinical Medical Science, Chang-Gung University, Taoyuan City, Taiwan.
Cancer Gene Therapy +

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26 de agosto de 2025

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26 de agosto de 2025

Ver abstracta en PubMed

Resumen

Este resumen es generado por máquina.

Un nuevo eje SOX4-NRF2-PSPH regula el metabolismo del carcinoma hepatocelular (HCC) y la evasión inmune. Dirigirse a esta vía puede ofrecer nuevas terapias de HCC al interrumpir el apoyo de las células cancerosas y la supresión inmune.

Área De La Ciencia

  • En el campo de la oncología
  • Biología molecular
  • Metabolismo del cáncer

Sus Antecedentes

  • La progresión del carcinoma hepatocelular (HCC) incluye reprogramación metabólica y evasión inmune.
  • Las redes de transcripción que impulsan estos procesos de HCC no se comprenden completamente.

Objetivo Del Estudio

  • Identificar nuevas redes reguladoras que vinculan el metabolismo y la evasión inmune en el CHC.
  • Para aclarar el papel de SOX4, NRF2 y fosfoserina fosfatasa (PSPH) en el HCC.

Principales Métodos

  • Pruebas de coinmunoprecipitación y de ligadura de proximidad para confirmar los complejos proteicos.
  • Pruebas de reporte de luciferasa y de inmunoprecipitación de cromatina para evaluar la regulación génica.
  • Análisis de los datos de pacientes con CHC (TCGA y cohortes clínicas).

Principales Resultados

  • SOX4 forma un complejo de respuesta al estrés con NRF2, activando la transcripción de PSPH.
  • La PSPH mejora la biosíntesis de serina, apoyando la fosforilación oxidativa y el equilibrio redox.
  • La inhibición de SOX4/NRF2 aumenta el daño oxidativo y la sensibilidad al sorafenib en las células de HCC.
  • Los metabolitos impulsados por PSPH promueven la polarización de los macrófagos tipo M2, creando un microambiente tumoral inmunosupresor.
  • Una alta expresión de SOX4/NRF2/PSPH se correlaciona con la infiltración M2 y un mal pronóstico de HCC.

Conclusiones

  • Un nuevo bucle regulador SOX4-NRF2-PSPH acopla el metabolismo del HCC con la modulación inmune.
  • Este eje representa un objetivo terapéutico potencial para el tratamiento del CHC.

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