1365-Sprox-seq:组织内蛋白复合体与转录组空间分析 episode artwork

EPISODE · Jul 31, 2026 · 22 MIN

1365-Sprox-seq:组织内蛋白复合体与转录组空间分析

from 聊聊Sci

这项研究介绍了一种名为 Sprox-seq 的空间多组学技术,该技术通过结合邻位连接分析与空间转录组学,实现了在完整组织切片中同时测量 mRNA 表达、蛋白质丰度及蛋白质复合物的功能。研究人员利用该平台对人类扁桃体组织进行了高通量分析,成功绘制了生发中心内部复杂的蛋白质相互作用网络。实验结果揭示了生发中心光区具有比暗区更高的相互作用复杂度,并发现基于蛋白质相互作用的 B 细胞状态转换轨迹与传统的 RNA 轨迹存在显著差异。此外,该技术还直接捕捉到了由 VLA-4-VCAM1 介导的 B 细胞与滤泡树突状细胞之间的细胞间通讯。总之,Sprox-seq 提供了一个全新的视角,通过整合蛋白质相互作用景观与转录状态,更全面地解析了组织结构与细胞功能。References:Wang H, Xia J, Rahman P M S M, et al. Spatial Proximity Sequencing Maps Developmental Dynamics in the Germinal Center[J]. bioRxiv, 2025: 2025.10. 27.684659.前往小宇宙评论区与主播互动

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1365-Sprox-seq:组织内蛋白复合体与转录组空间分析

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