1192-CytoSignal:单细胞分辨率下的空间转录组信号检测 episode artwork

EPISODE · Jun 27, 2026 · 20 MIN

1192-CytoSignal:单细胞分辨率下的空间转录组信号检测

from 聊聊Sci

这项研究介绍了 CytoSignal,这是一种旨在从空间转录组数据中探测细胞间通讯的新型计算工具。该工具通过计算配体-受体评分,首次实现了在单细胞分辨率下识别细胞信号传递的精确位置与动态变化。研究人员利用 CytoSignal 成功区分了接触依赖型和扩散型的信号相互作用,并揭示了组织中的信号强度梯度及相关的基因表达模式。此外,通过整合 RNA 速率分析,名为 VeloCytoSignal 的扩展版本还能预测信号活动的随时间变化的趋势。最后,作者通过**原位邻近连接技术(PLA)**实验验证了预测的准确性,证明该方法在识别信号相互作用方面优于现有的其他工具。References:Liu J, Manabe H, Qian W, et al. CytoSignal detects locations and dynamics of ligand–receptor signaling at cellular resolution from spatial transcriptomic data[J]. Nature Genetics, 2026: 1-13.前往小宇宙评论区与主播互动

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1192-CytoSignal:单细胞分辨率下的空间转录组信号检测

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