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STRESS: spatial transcriptomics resolution enhancing method based on the state-space model

delete2026-08-18
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OA
AI
X
Xiuyuan Wang
F
Fei Ye
Y
Yu Zhao
F
Fang Wang
L
Lan Ma
X
Xiao Liu *
DOI:10.1093/bib/bbag444delete
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摘要

摘要

En 中文
空间分辨转录组学(SRT)的广泛应用为表征各种组织中基因表达模式的空间微环境提供了大量数据。然而,大多数SRT平台相对较粗的空间分辨率限制了空间表达景观的连续性和可解释性,特别是在空间域识别等下游分析中。为解决此限制,我们提出了STRESS,一种仅使用SRT基因表达谱和空间坐标进行组织级空间表达精炼的深度学习框架,无需依赖组织学图像或单细胞参考。STRESS采用3D状态空间建模架构,联合捕捉邻近位置间的空间依赖性和基因间的转录关系,能够在更精细的空间网格上估计空间上一致的表達模式。我们在涵盖不同平台和组织类型的多个数据集上评估了STRESS,并证明精炼后的空间表示能一致地增强下游分析中的空间域界定和稳定性。这些结果凸显了STRESS作为一种实用的、无参考方法,用于精炼组织级空间转录组模式并促进整合性空间数据分析。

期刊

Briefings in Bioinformatics 封面图
Briefings in Bioinformatics
IF:
7.7
论文数:
5.8K
被引数:
2.7W

机构

T
Tencent
学者数:
29
论文数: 12
被引数: 0
T
Tsinghua University
学者数:
3.8K
论文数: 1.4K
被引数: 0
引用论文

引用论文

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