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Background <p>Understanding cellular heterogeneity within tissues hinges on knowledge of their spatial context. However, it is still challenging to accurately map cells to their spatial coordinates.</p> Results <p>We present SC2Spa, a deep learning-based approach that learns intricate spatial relationships from spatial transcriptomics (ST) data. Benchmarking tests show that SC2Spa outperformed other predictors and accurately detected tissue architecture from transcriptome. SC2Spa successfully mapped single cell RNA sequencing (scRNA-seq) to Visium assay, providing an approach to enhance the resolution for low resolution ST data. Our test showed that SC2Spa performs well for various ST technologies and robust to spatial resolution. In addition, SC2Spa can suggest spatially variable genes that cannot be identified from previous approaches.</p> Conclusions <p>SC2Spa is a robust and accurate approach to provide single cells with their spatial location and identify spatially meaningful genes.</p>

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SC2Spa: a deep learning based approach to map transcriptome to spatial origins at cellular resolution

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月2日

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  • Linbu Liao,
  • Esha Madan,
  • António M. Palma,
  • Hyobin Kim,
  • Amit Kumar,
  • Praveen Bhoopathi,
  • Robert Winn,
  • Jose Trevino,
  • Paul Fisher,
  • Cord Herbert Brakebusch,
  • Gahyun Kim,
  • Junil Kim,
  • Rajan Gogna,
  • Kyoung Jae Won

摘要

Background

Understanding cellular heterogeneity within tissues hinges on knowledge of their spatial context. However, it is still challenging to accurately map cells to their spatial coordinates.

Results

We present SC2Spa, a deep learning-based approach that learns intricate spatial relationships from spatial transcriptomics (ST) data. Benchmarking tests show that SC2Spa outperformed other predictors and accurately detected tissue architecture from transcriptome. SC2Spa successfully mapped single cell RNA sequencing (scRNA-seq) to Visium assay, providing an approach to enhance the resolution for low resolution ST data. Our test showed that SC2Spa performs well for various ST technologies and robust to spatial resolution. In addition, SC2Spa can suggest spatially variable genes that cannot be identified from previous approaches.

Conclusions

SC2Spa is a robust and accurate approach to provide single cells with their spatial location and identify spatially meaningful genes.