Cited by 211Single-cell and spatial transcriptomicsGene expression and cancer classificationAI in cancer detection

Spatial transcriptomics prediction from histology jointly through Transformer and graph neural networks

Open access
Zeng, Yuansong, Wei, Zhuoyi, Yu, Weijiang, Yin, Rui, Yuan, Yuchen, Li, Bingling, Tang, Zhonghui, Lu, Yutong +1 more·2022·Briefings in Bioinformatics

Published version of a preprint

Abstract

The rapid development of spatial transcriptomics allows the measurement of RNA abundance at a high spatial resolution, making it possible to simultaneously profile gene expression, spatial locations of cells or spots, and the corresponding hematoxylin and eosin-stained histology images. It turns promising to predict gene expression from histology images that are relatively easy and cheap to obtain. For this purpose, several methods are devised, but they have not fully captured the internal relations of the 2D vision features or spatial dependency between spots. Here, we developed Hist2ST, a deep learning-based model to predict RNA-seq expression from histology images. Around each sequenced spot, the corresponding histology image is cropped into an image patch and fed into a convolutional module to extract 2D vision features. Meanwhile, the spatial relations with the whole image and neighbored patches are captured through Transformer and graph neural network modules, respectively. These learned features are then used to predict the gene expression by following the zero-inflated negative binomial distribution. To alleviate the impact by the small spatial transcriptomics data, a self-distillation mechanism is employed for efficient learning of the model. By comprehensive tests on cancer and normal datasets, Hist2ST was shown to outperform existing methods in terms of both gene expression prediction and spatial region identification. Further pathway analyses indicated that our model could reserve biological information. Thus, Hist2ST enables generating spatial transcriptomics data from histology images for elucidating molecular signatures of tissues.

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Crossref · 10.1093/bib/bbac297

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Authors
Zeng, Y., Wei, Z., Yu, W., Yin, R., Yuan, Y., Li, B., Tang, Z., Lu, Y., & Yang, Y.
Affiliations
Sun Yat-sen University (CN)
Corresponding author
Yang, Yuedong
Venue
Briefings in Bioinformatics
Published
2022-07-17
Volume
23
Issue
5
ISSN
  • 1467-5463 (ISSN-L)
  • 1477-4054
OpenAlex
W4285803722
Cited by
211
References
79
Citations by year
2026: 76 · 2025: 69 · 2024: 44 · 2023: 18 · 2022: 4
FWCI
11.02
Type
journal article
Language
en
Open access
Locations
  • Briefings in Bioinformatics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • Griffith Research Online (submittedVersion, other-oa)
Funders
  • National Key Research and Development Program of China (2020YFB0204803)
  • National Natural Science Foundation of China (12126610)
  • Guangdong Key Field R&D Plan (2019B020228001, 2018B010109006)
  • Introducing Innovative and Entrepreneurial Teams (2016ZT06D211)
  • Guangzhou Science and Technology Research Plan (202007030010)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
Keywords
spatial transcriptomics, histological images, transformer models, graph neural networks, spatial dependence, zero-inflated negative binomial regression, self-distillation, tumor tissue, pathway analysis
MeSH terms
Eosine Yellowish-(YS), Hematoxylin, Image Processing, Computer-Assisted, RNA, Neural Networks, Computer, Transcriptome

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