975-趋硬性驱动纤维化与癌症转移 episode artwork

EPISODE · May 15, 2026 · 22 MIN

975-趋硬性驱动纤维化与癌症转移

from 聊聊Sci

这组研究资料揭示了趋硬性(Durotaxis),即细胞沿组织硬度梯度迁移的现象,在肺纤维化和转移性胰腺癌病理进程中的核心驱动作用。研究者利用先进的纳米压痕技术证实,纤维化组织和肿瘤边缘存在明显的硬度梯度,引导成纤维细胞和癌细胞向病灶聚集。实验表明,这种定向迁移由FAK-paxillin这一特定的机械传感分子模块介导,并通过YAP信号通路调控基因转录。通过CRISPR-Cas9基因编辑技术或使用小分子抑制剂JP-153阻断该分子的相互作用,能够显著减轻小鼠体内的器官纤维化程度并抑制肿瘤的远处转移。这项发现不仅首次在活体层面证实了趋硬性的致病机制,也为开发针对硬度感知通路的抗趋硬性疗法提供了重要依据。References:Al-Hilal T A, Chrysovergi M A, Grasberger P E, et al. Durotaxis is a driver and potential therapeutic target in lung fibrosis and metastatic pancreatic cancer[J]. Nature cell biology, 2025, 27(9): 1543-1554.前往小宇宙评论区与主播互动

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975-趋硬性驱动纤维化与癌症转移

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