PreprintCited by 92Bioinformatics and Genomic NetworksBiomedical Text Mining and OntologiesGene expression and cancer classification

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Comprehensive comparison of large-scale tissue expression datasets

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Preprint — published as 10.7717/peerj.1054 · Paper page

Abstract

For tissues to carry out their functions, they rely on the right proteins to be present. Several high-throughput technologies have been used to map out which proteins are expressed in which tissues; however, the data have not previously been systematically compared and integrated. We present a comprehensive evaluation of tissue expression data from a variety of experimental techniques and show that these agree surprisingly well with each other and with results from literature curation and text mining. We further found that most datasets support the assumed but not demonstrated distinction between tissue-specific and ubiquitous expression. By developing comparable confidence scores for all types of evidence, we show that it is possible to improve both quality and coverage by combining the datasets. To facilitate use and visualization of our work, we have developed the TISSUES resource ( http://tissues.jensenlab.org ), which makes all the scored and integrated data available through a single user-friendly web interface.

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Metadata

Authors
Santos, A., Tsafou, K., Stolte, C., Pletscher-Frankild, S., O’Donoghue, S. I., & Jensen, L. J.
Affiliations
  • University of Copenhagen (DK)
  • Commonwealth Scientific and Industrial Research Organisation (AU)
Venue
PeerJ
Publisher
openRxiv
Published
2014-11-10
Volume
3
Pages
e1054-e1054
ISSN
2167-8359 (ISSN-L)
OpenAlex
W1700570096
Cited by
92
References
1
Citations by year
2026: 5 · 2025: 4 · 2024: 6 · 2023: 1 · 2022: 8 · 2021: 7 · 2020: 11 · 2019: 13 · 2018: 9 · 2017: 11 · 2016: 13 · 2015: 4
FWCI
5.50
Type
journal article
Language
en
Open access
Locations
  • PeerJ (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion, other-oa)
  • UNSWorks (UNSW Sydney) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Commonwealth Scientific and Industrial Research Organisation
  • Novo Nordisk (NNF14CC0001)
  • National Institutes of Health
  • National Cancer Institute (U54CA189205)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Health Sciences › Medicine › Health Informatics › Biomedical Text Mining and Ontologies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
Keywords
tissue-specific protein expression, data integration, confidence scores, literature curation, text mining, high-throughput proteomics, data quality assessment

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