1400-ICCB280通过线粒体动态调节攻克骨肉瘤阿霉素耐药 episode artwork

EPISODE · Aug 7, 2026 · 19 MIN

1400-ICCB280通过线粒体动态调节攻克骨肉瘤阿霉素耐药

from 聊聊Sci

这项研究揭示了C/EBPα/GREM1/p-ERK信号轴在克服骨肉瘤对多柔比星(DOX)耐药性中的关键作用。研究人员发现,GREM1表达水平与患者的化疗敏感性呈正相关,它能通过调节线粒体动力学诱导细胞凋亡,从而增强化疗效果。实验证明,C/EBPα作为上游转录因子驱动了GREM1的表达,而ICCB280(C/EBPα激动剂)与PD98059(ERK抑制剂)的联合使用能显著逆转肿瘤的耐药状态。这种联合用药方案在体内外实验中均表现出优异的抗肿瘤潜力,为临床治疗耐药性骨肉瘤提供了创新的策略和靶点。该成果不仅阐明了线粒体稳态对药物反应的影响,还通过临床样本验证了该信号轴的病理相关性。References:Han Y, Li H, Xue C, et al. C/EBP alpha agonist ICCB280 overcomes doxorubicin resistance in osteosarcoma through mitochondrial dynamics-dependent GREM1-MAPK activation[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动

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1400-ICCB280通过线粒体动态调节攻克骨肉瘤阿霉素耐药

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