EPISODE · Jul 1, 2026 · 19 MIN
1213-早期结直肠癌中的癌胎细胞可塑性
from 聊聊Sci
这些研究揭示了结直肠癌在极早期阶段就展现出一种癌胎儿(OnF)细胞状态,这种状态模拟了胚胎发育过程并赋予癌细胞极高的塑性。研究人员发现,这种病理生理转变不仅存在于晚期转移,甚至在T1期肿瘤的边缘就已经普遍出现。这种细胞重编程并非由基因突变驱动,而是受到肿瘤微环境中特定癌症相关成纤维细胞(CAFs)的诱导。这些被称为滋养层细胞样成纤维细胞的基质细胞,通过分泌TGF-β和PGE2等信号因子,促使上皮细胞向更具侵袭性的状态转化。这一发现为理解早期癌症扩散提供了全新的空间转录组学视角,并为开发针对肿瘤塑性的新型疗法奠定了基础。References:Bulliard M, Perlov Y, Yilmaz Ö H, et al. High-plasticity oncofetal cell states in early pre-metastatic colorectal cancer[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动
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1213-早期结直肠癌中的癌胎细胞可塑性
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