240-胶质瘤三级淋巴结构与免疫微环境 episode artwork

EPISODE · Nov 19, 2025 · 38 MIN

240-胶质瘤三级淋巴结构与免疫微环境

from 聊聊Sci

这份研究主要关注成人弥漫性胶质瘤(一种常见的脑肿瘤)中的三级淋巴结构 (TLSs),传统上认为胶质瘤属于“免疫冷”肿瘤。作者在 15% 的胶质瘤中发现了这些结构,并根据其细胞组成和免疫活动将其分为三种亚型:T-low-TLS、B:T-TLS 和PC-TLS。研究发现,具有成熟功能性 TLS(特别是 B:T-TLS 和 PC-TLS)的患者的总生存期有所改善,表明这些结构在胶质瘤的适应性免疫激活中发挥着关键作用。该研究利用多模式空间分析(包括空间转录组学和蛋白质组学)来探究 TLS 的功能特征,例如克隆性淋巴细胞扩增和浆细胞形成,并提出 TLS 成熟度可以作为预测免疫治疗敏感性的生物标志物。References: Cakmak P, Lun J H, Singh A, et al. Spatial immune profiling defines a subset of human gliomas with functional tertiary lymphoid structures[J]. Immunity, 2025.前往小宇宙评论区与主播互动

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240-胶质瘤三级淋巴结构与免疫微环境

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