PreprintCited by 130Single-cell and spatial transcriptomicsGene expression and cancer classificationAI in cancer detection

Leveraging information in spatial transcriptomics to predict super-resolution gene expression from histology images in tumors

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Pang, Minxing, Su, Kenong, Li, Mingyao·2021·bioRxiv (Cold Spring Harbor Laboratory)

Abstract

Recent developments in spatial transcriptomics (ST) technologies have enabled the profiling of transcriptome-wide gene expression while retaining the location information of measured genes within tissues. Moreover, the corresponding high-resolution hematoxylin and eosin-stained histology images are readily available for the ST tissue sections. Since histology images are easy to obtain, it is desirable to leverage information learned from ST to predict gene expression for tissue sections where only histology images are available. Here we present HisToGene, a deep learning model for gene expression prediction from histology images. To account for the spatial dependency of measured spots, HisToGene adopts Vision Transformer, a state-of-the-art method for image recognition. The well-trained HisToGene model can also predict super-resolution gene expression. Through evaluations on 32 HER2+ breast cancer samples with 9,612 spots and 785 genes, we show that HisToGene accurately predicts gene expression and outperforms ST-Net both in gene expression prediction and clustering tissue regions using the predicted expression. We further show that the predicted super-resolution gene expression also leads to higher clustering accuracy than observed gene expression. Gene expression predicted from HisToGene enables researchers to generate virtual transcriptomics data at scale and can help elucidate the molecular signatures of tissues.

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  1. Dosovitskiy, A., Beyer, L., Kolesnikov, A., Weissenborn, D., Zhai, X., Unterthiner, T., Dehghani, M., Minderer, M., Heigold, G., Gelly, S. et al. (2020) An image is worth 16x16 words: transformer for image recognition at scale. ICLR 2021 Proceedings.

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Authors
Pang, M., Su, K., & Li, M.
Affiliations
  • King Abdullah University of Science and Technology (SA)
  • University of Pennsylvania (US)
Corresponding author
  • Su, Kenong
  • Li, Mingyao
Venue
bioRxiv (Cold Spring Harbor Laboratory)
Publisher
openRxiv
Published
2021-11-28
OpenAlex
W3216067893
Cited by
130
References
37
Citations by year
2026: 35 · 2025: 49 · 2024: 28 · 2023: 13 · 2022: 5
Type
posted content
Language
en
Open access
Licence
cc-by-nc-nd
Locations
bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
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, HER2-positive breast cancer, vision transformer, tumor molecular signatures

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