994-SAMENT技术解析骨转移中免疫排斥龛位 episode artwork

EPISODE · May 18, 2026 · 22 MIN

994-SAMENT技术解析骨转移中免疫排斥龛位

from 聊聊Sci

这份研究介绍了 SAMENT,这是一种创新的、基于转基因酶的元胞级微环境标记技术。该工具能够通过生物素标记精准捕捉肿瘤细胞在骨骼、肺部和肝脏等不同器官转移过程中接触到的微环境细胞。研究发现,转移灶通常呈现出巨噬细胞富集而 T 细胞匮乏的免疫排斥特征。通过单细胞测序分析,研究者揭示了肿瘤接触会诱导骨转移灶中的巨噬细胞表达雌激素受体 alpha (ERα),进而阻碍免疫细胞浸润。最终,该研究证明了阻断巨噬细胞中的 ERα 信号通路可以有效促进 T 细胞进入肿瘤区域并抑制骨转移的进展。References:Xu Z, Liu F, Ding Y, et al. Unbiased niche labeling maps immune-excluded niche in bone metastasis[J]. Cell, 2026.前往小宇宙评论区与主播互动

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994-SAMENT技术解析骨转移中免疫排斥龛位

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