996-重塑乳腺癌脑转移的免疫图谱

该研究通过对156例乳腺癌脑转移（BCBM）样本进行多模态分析，打破了大脑转移灶普遍处于免疫抑制状态的传统认知。科研人员发现了两种独立且能显著改善预后的免疫微环境：一种是以CD8+组织驻留记忆T细胞为核心的浸润区，另一种则是具有组织结构的三级淋巴结构（TLS）。此外，研究还识别出特定的小胶质细胞亚群在促进抗肿瘤免疫中发挥的关键作用。这些发现强调了脑转移病灶具有独特的免疫演化路径，不能仅通过原发肿瘤来预测其免疫特性。该成果为开发针对颅内转移癌的精准免疫治疗和生物标志物筛选提供了重要的理论依据。References:Yuan X, Yu D. Rethinking immune states in brain metastasis[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动

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996-重塑乳腺癌脑转移的免疫图谱

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