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SpaBatch: Deep Learning-Based Cross-Slice Integration and 3D Spatial Domain Identification in Spatial Transcriptomics

delete2025-09-15
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OA
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J
Jinyun Niu
D
Donghai Fang
J
Jinyu Chen
熊一 封面图
熊一 (Yi Xiong)
刘娟 封面图
刘娟 (Juan Liu)
闵文文 封面图
闵文文 (Wenwen Min) *
DOI:10.1002/advs.202509090delete
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摘要

摘要

En 中文
随着空间转录组学(ST)数据在多种组织、个体及技术平台上的快速积累,迫切需要一种稳健可靠的切片间整合框架以实现三维空间域识别。然而,现有方法主要聚焦于单切片内的二维空间域识别,未能充分顾及切片间的空间相关性及批次效应校正,从而限制了跨切片三维空间域识别的准确性。本研究提出SpaBatch,一种用于整合与分析多切片ST数据的创新框架,可有效校正批次效应并实现跨切片三维空间域识别。为展示SpaBatch的效能,将其应用于八个真实ST数据集,包括不同个体的皮质切片、采用两种不同技术制备的小鼠脑切片、小鼠胚胎切片、人胚胎心脏切片、HER2+乳腺癌组织以及通过MERFISH平台检测的小鼠下丘脑切片。全面验证表明,SpaBatch在三维空间域识别上持续优于当前先进方法,同时有效校正了批次效应。此外,SpaBatch高效捕获了切片间保守的组织架构及癌症相关亚结构,并利用有限注释预测未注释区域的空域,突显其在组织结构解析及发育生物学研究中的潜力。本研究中使用所有代码及公开数据集可获取于:https://github.com/wenwenmin/SpaBatch。
Keyword:
3D spatial domain identification
batch effect correction
contrastive learning
graph neural networks
multi-slice spatial transcriptomics
triplet learning
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Advanced Science 封面图
Advanced Science
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14.1
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1.8W
被引数:
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shanghai jiao tong university
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wuhan university
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