862-空间VDJ:人类组织中淋巴细胞克隆动态图谱研究 episode artwork

EPISODE · Apr 27, 2026 · 25 MIN

862-空间VDJ:人类组织中淋巴细胞克隆动态图谱研究

from 聊聊Sci

这篇研究介绍了一种名为 Spatial VDJ 的创新基因组学方法,旨在同时绘制人类组织中的全长 B 细胞和 T 细胞受体序列、组织形态以及全转录组图谱。传统技术虽能分析单细胞免疫受体,却往往丢失了空间位置信息,而该方法通过结合长读长与短读长测序技术,成功在扁桃体和乳腺癌组织中定位了淋巴细胞克隆。研究人员利用这一工具揭示了免疫克隆在复杂组织环境中的动态演变,例如 B 细胞在生发中心内的谱系发育和抗体类别转换。此外,该技术还能将特定的免疫受体与肿瘤微环境中的基因表达程序直接关联,为识别肿瘤特异性克隆提供了新途径。最终,Spatial VDJ 为开发针对感染、癌症和疫苗接种的精确免疫疗法提供了强有力的空间生物学平台。References: Engblom C, Thrane K, Lin Q, et al. Spatial transcriptomics of B cell and T cell receptors reveals lymphocyte clonal dynamics[J]. Science, 2023, 382(6675): eadf8486.前往小宇宙评论区与主播互动

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862-空间VDJ:人类组织中淋巴细胞克隆动态图谱研究

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