1072-泛癌侵袭性B细胞图谱 episode artwork

EPISODE · Jun 3, 2026 · 22 MIN

1072-泛癌侵袭性B细胞图谱

from 聊聊Sci

这项研究利用单细胞测序技术,对269名患者及20种不同癌症类型中的肿瘤浸润B细胞进行了系统性的全面分析。研究人员通过整合转录组、免疫组库和染色质可访问性数据,成功识别出15种B细胞亚群,并揭示了生发中心(GC)与滤泡外(EF)两条独立的细胞分化路径。研究重点指出,由非典型记忆B细胞(AtM)驱动的EF路径与癌症病情的恶化及免疫治疗耐药性密切相关。此外,研究阐明了代谢-表观遗传网络在调控B细胞分化中的关键作用,特别是谷氨酰胺代谢如何影响肿瘤环境。这些发现为理解癌症中的体液免疫提供了新蓝图,并为开发以B细胞为靶点的新型免疫疗法奠定了基础。References:Ma J, Wu Y, Ma L, et al. A blueprint for tumor-infiltrating B cells across human cancers[J]. Science, 2024, 384(6695): eadj4857.前往小宇宙评论区与主播互动

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1072-泛癌侵袭性B细胞图谱

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