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通过Pbx3介导的I型干扰素反应抑制有助于由MLL-AF9驱动的白血病进展

Li Tang¹, Meng Lu¹, Yulong Du¹

¹School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.

Cancer gene therapy

|March 20, 2025

概括

急性髓性白血病 (AML) 的进展包括因Pbx3.3驱动的干扰素反应降低. I型干扰素治疗显示出通过诱导分化和延迟疾病来治疗MLL-AF9AML的潜力.

科学领域:

血液学血液学血液学
癌症生物学癌症生物学
免疫学免疫学免疫学

背景情况:

细胞内在炎症支持急性髓性白血病 (AML) 的存活率.
在AML进展过程中细胞内在炎症的动态尚不清楚.

研究的目的:

调查细胞内在炎症在MLL-AF9驱动的AML进展中的作用.
探索I型干扰素在AML中的治疗潜力.

主要方法:

以CRISPR为媒介的基因组编辑建立了小鼠AML模型.
在白血病进展过程中对基因表达变化的分析.
干扰素-α (IFNα) 的管理和抑制MLL-AF9的转录活性.

主要成果:

白血病的进展与下调I型干扰素反应基因相关.
原始细胞中的Pbx3上调对抑制干扰素反应至关重要.
IFNα的使用诱导了白血病细胞的分化.
结合IFNα治疗和抑制MLL-AF9转录活性延迟了白血病的进展.

结论:

干扰素反应基因的Pbx3介导抑制对于MLL-AF9AML进展至关重要.
I型干扰素代表了对MLL-AF9AML的有前途的治疗策略.

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