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Topological velocity inference from spatial transcriptomic data

delete2025-07-16
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PRE
AI
Y
Yichen Gu
J
Jialin Liu
K
Kun Hee Lee
C
Chen Li
L
Lu Lu
J
Jaimee Moline
R
Renxiang Guan
J
Joshua D. Welch *
DOI:10.1038/s41587-025-02688-8delete
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摘要

摘要

En 中文
将空间和时间整合到细胞命运转换模型中,将是表征相邻细胞间的相互作用、局部微环境因素和细胞迁移如何促进组织发育的关键一步。本研究提出拓扑速度推断(TopoVelo)模型,用于从空间转录组学数据中联合推断细胞命运转换的空间和时序动态。TopoVelo将RNA速度框架扩展至通过空间耦合微分方程建模整个组织的单细胞基因表达动态。TopoVelo估算发育中小鼠大脑皮层细胞速度,学习可解释的空间细胞状态依赖性,这些依赖性与配体-受体基因的表达相关联,并揭示了小鼠神经管闭合的空间特征。最后,我们生成来自人类发育体外模型的Slide-seq数据,并使用TopoVelo研究早期分化的空间模式。本研究为细胞命运转换研究引入了新的维度,并为建模构成整个组织的细胞集体动态奠定了基础。TopoVelo利用空间耦合微分方程推断细胞分化阶段和基因表达的速率参数。

期刊

Nature Biotechnology 封面图
Nature Biotechnology
IF:
41.7
论文数:
1.2W
被引数:
10.1W

机构

D
department of electrical and computer engineering
学者数:
0
论文数: 1
被引数: 0
D
Department of Computational Medicine and Bioinformatics
学者数:
19
论文数: 7
被引数: 0
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