PreprintCited by 3Genomics and Chromatin DynamicsMachine Learning in BioinformaticsGene Regulatory Network Analysis

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Leopard: fast decoding cell type-specific transcription factor binding landscape at single-nucleotide resolution

Open access
Li, Hongyang, Guan, Yuanfang·2019·bioRxiv (Cold Spring Harbor Laboratory)

Preprint — published as 10.1101/gr.269613.120

Abstract

Decoding the cell type-specific transcription factor (TF) binding landscape at single-nucleotide resolution is crucial for understanding the regulatory mechanisms underlying many fundamental biological processes and human diseases. However, limits on time and resources restrict the high-resolution experimental measurements of TF binding profiles of all possible TF-cell type combinations. Previous computational approaches either can not distinguish the cell-context-dependent TF binding profiles across diverse cell types, or only provide a relatively low-resolution prediction. Here we present a novel deep learning approach, Leopard, for predicting TF-binding sites at single-nucleotide resolution, achieving the median area under receiver operating characteristic curve (AUROC) of 0.994. Our method substantially outperformed state-of-the-art methods Anchor and FactorNet, improving the performance by 19% and 27% respectively despite evaluated at a lower resolution. Meanwhile, by leveraging a many-to-many neural network architecture, Leopard features hundred-fold to thousand-fold speedup compared to current many-to-one machine learning methods.

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  • Distribution shifts between cell types are a significant problem for TF binding prediction.

    “Overall, it is commonly understood that distribution shifts between cell types are a significant problem for TF binding prediction, and many methods have been developed to tackle these shifts (Balsubramani et al., 2017; Li et al., 2019a; Li and Guan, 2019; Keilwagen et al., 2019; Quang and Xie, 2019).”

    From WILDS: A Benchmark of in-the-Wild Distribution Shifts (2020) · cites this paper as Li and Guan, 2019

  • The ERM baselines' OOD test performance is competitive with the original challenge results but lower than the state-of-the-art performance of Li and Guan (2019).

    “Our ERM baselines' OOD test performance is competitive with the original challenge results, but lower than the state-of-the-art performance of Li and Guan (2019) because of the aforementioned differences in data processing, splits, and architecture, as well as the cross-domain training method employed by that paper and predecessor work (Li et al., 2019a).”

    From WILDS: A Benchmark of in-the-Wild Distribution Shifts (2020) · cites this paper as Li and Guan (2019)

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Metadata

Authors
Li, H., & Guan, Y.
Affiliations
University of Michigan (US)
Corresponding author
Guan, Yuanfang
Venue
bioRxiv (Cold Spring Harbor Laboratory)
Publisher
openRxiv
Published
2019-11-27
OpenAlex
W2991184346
Cited by
3
References
4
Citations by year
2022: 1 · 2020: 2
Type
posted content
Language
en
Open access
Licence
cc-by-nc
Locations
bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc)
Funders
  • National Science Foundation (19AMTG34850176, 1452656, NSF-US14-PAF07599, CAREER)
  • American Heart Association (19AMTG34850176)
  • Nvidia (19AMTG34850176)
  • Amazon Web Services (19AMTG34850176)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Machine Learning in Bioinformatics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
transcription factor binding site prediction, cell type-specific binding, single-nucleotide resolution, deep learning, chromatin regulatory elements, computational genomics, leopard

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