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怀疑论者:时间序列单细胞测序和成像数据的伪时间分析。

Sceptic: pseudotime analysis for time-series single-cell sequencing and imaging data.

作者信息

Li Gang, Kim Hyeon-Jin, Pendyala Sriram, Zhang Ran, Vert Jean-Philippe, Disteche Christine M, Deng Xinxian, Fowler Douglas M, Noble William Stafford

机构信息

Department of Genome Sciences, University of Washington, Seattle, 98115, USA.

eScience Institute, University of Washington, Seattle, 98115, USA.

出版信息

Genome Biol. 2025 Jul 17;26(1):209. doi: 10.1186/s13059-025-03679-3.

Abstract

Several computational methods have been developed to construct single-cell pseudotime embeddings for extracting the temporal order of transcriptional cell states from time-series scRNA-seq datasets. However, existing methods suffer from low predictive accuracy, and this problem becomes even worse when we try to generalize to other data types such as scATAC-seq or microscopy images. To address this problem, we propose Sceptic, a support vector machine model for supervised pseudotime analysis. We demonstrate that Sceptic achieves significantly improved prediction power relative to state-of-the-art methods, and that Sceptic can be applied to a variety of single-cell data types, including single-nucleus image data.

摘要

已经开发了几种计算方法来构建单细胞伪时间嵌入,以便从时间序列单细胞RNA测序(scRNA-seq)数据集中提取转录细胞状态的时间顺序。然而,现有方法存在预测准确性低的问题,当我们试图推广到其他数据类型(如单细胞染色质可及性测序(scATAC-seq)或显微镜图像)时,这个问题会变得更加严重。为了解决这个问题,我们提出了Sceptic,一种用于监督伪时间分析的支持向量机模型。我们证明,相对于现有技术方法,Sceptic具有显著提高的预测能力,并且Sceptic可以应用于多种单细胞数据类型,包括单核图像数据。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9acd/12273354/a1f9d1d07e29/13059_2025_3679_Fig1_HTML.jpg

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