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Variational sparse Gaussian-process method for detecting spatially variable genes and cellular interactions in spatial transcriptomics

delete2026-07-14
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OA
AI
Z
Zhicong Wang
J
Jing Li
L
Liqing Xie
Y
Yiran Wang
Y
Yongtian Wang
J
Jing Chen
X
Xuequn Shang
X
Xingyi Li
Z
Zhaowen Liu
J
Jialu Hu *
DOI:10.1093/bib/bbag371delete
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摘要

摘要

En 中文
先进的空间分辨转录组学(SRT)技术保留了组织内基因表达的空间背景,使能够研究依赖背景的转录调控。本研究提出了一种基于变分推断的稀疏高斯过程(VISGP)框架,用于识别空间变异基因(SVGs)并从SRT数据中推断空间依赖的细胞相互作用。VISGP通过诱导变量结合稀疏高斯过程近似来降低计算和内存成本,同时实现基因特异性的空间协方差结构适配。在模拟数据和四个真实SRT数据集中,VISGP比现有方法检测到更多SVGs,并识别出85对被其他方法遗漏的空间约束配体-受体对。总体而言,VISGP提供了一种可扩展且具有统计学依据的策略,用于解码空间基因调控和细胞-细胞通讯,为细胞异质性和癌症病理学提供了生物学见解。

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

X
xi'an university of technology
学者数:
1.1K
论文数: 287
被引数: 0
G
german center for neurodegenerative diseases
学者数:
60
论文数: 25
被引数: 0
N
northwestern polytechnical university
学者数:
3.0K
论文数: 857
被引数: 0
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