552-靶向TREM2巨噬细胞的铠甲化CAR T疗法 episode artwork

EPISODE · Feb 25, 2026 · 16 MIN

552-靶向TREM2巨噬细胞的铠甲化CAR T疗法

from 聊聊Sci

这项研究开发了一种创新性的靶向巨噬细胞的CAR T细胞疗法,旨在克服实体瘤治疗中抗原异质性和免疫抑制环境的挑战。研究人员发现 TREM2 是多种实体瘤中抑制性肿瘤相关巨噬细胞(TAMs)的共有特征,并据此设计了能精准清除这些细胞的 hTREM2 CAR T 细胞。为了增强疗效,这些T细胞被装甲化,通过合成生物传感器在肿瘤微环境中局部释放 IL-12,从而重新编程免疫景观并激活 NK细胞。实验证明,该疗法能有效诱导肿瘤退缩,并通过精巧的基因电路设计避免了全身性的细胞毒性。这一策略通过靶向非肿瘤细胞成分,为实现广谱实体瘤的通用型细胞治疗提供了新路径。References: Yagel G, Rimini D, von Locquenghien M, et al. Tumor-antigen-independent targeting of solid tumors by armored macrophage-directed anti-TREM2 CAR T cells[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动

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552-靶向TREM2巨噬细胞的铠甲化CAR T疗法

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