Cited by 185Genomics and Chromatin DynamicsBioinformatics and Genomic NetworksGene expression and cancer classification

Expression-based monitoring of transcription factor activity: the TELiS database

Cole, Steve W., Yan, Weihong, Galic, Zoran, Arevalo, Jesusa, Zack, Jerome A.·2005·Bioinformatics

Abstract

Motivation: In microarray studies it is often of interest to identify upstream transcription control pathways mediating observed changes in gene expression. The Transcription Element Listening System (TELiS) combines sequence-based analysis of gene regulatory regions with statistical prevalence analyses to identify transcription-factor binding motifs (TFBMs) that are over-represented among the promoters of up- or down-regulated genes. Efficiency is maximized by decomposing the problem into two steps: (1) a priori compilation of prevalence matrices specifying the number of putative binding sites for a variety of transcription factors in promoters from all genes assayed by a given microarray, and (2) real-time statistical analysis of pre-compiled prevalence matrices to identify TFBMs that are over- or under-represented in promoters of differentially expressed genes. The interlocking JAVA applications namely, PromoterScan and PromoterStats carry out these tasks, and together constitute the TELiS database for reverse inference of transcription factor activity. Results: In two validation studies, TELiS accurately detected in vivo activation of NF-κB and the Type I interferon system by HIV-1 infection and pharmacologic activation of the glucocorticoid receptor in peripheral blood mononuclear cells. The population-based statistical inference underlying TELiS out-performed conventional statistical tests in analytic sensitivity, with parametric studies demonstrating accurate identification of transcription factor activity from as few as 20 differentially expressed genes. TELiS thus provides a simple, rapid and sensitive tool for identifying transcription control pathways mediating observed gene expression dynamics. Availability: http://www.telis.ucla.edu Contact: coles@ucla.edu

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Crossref · 10.1093/bioinformatics/bti038

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  • TELiS can accurately identify the activation of specific hormone or cytokine signaling pathways based on the resulting pattern of gene induction which occurs selectively in genes bearing TFBMs responsive to transcription factors activated through that pathway.

    “This approach can accurately identify the activation of specific hormone or cytokine signaling pathways based on the resulting pattern of gene induction which occurs selectively in genes bearing TFBMs responsive to transcription factors activated through that pathway (23).”
  • The TELiS primary analyses utilized default parameter settings shown to be optimal in previous studies.

    “Primary analyses utilized default parameter settings shown to be optimal in previous studies (analysis of −600 bp sequence upstream of transcription start site, with a .90 MatInspector match stringency; 23).”

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Authors
Cole, S. W., Yan, W., Galic, Z., Arevalo, J., & Zack, J. A.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Cole, Steve W.
Venue
Bioinformatics
Published
2004-09-16
Volume
21
Issue
6
Pages
803-810
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2130675837
Cited by
185
References
0
Citations by year
2026: 3 · 2025: 21 · 2024: 8 · 2023: 7 · 2022: 7 · 2021: 11 · 2020: 10 · 2019: 17 · 2018: 10 · 2017: 6 · 2016: 7 · 2015: 4 · 2014: 11 · 2013: 5 · 2012: 11
FWCI
1.43
Type
journal article
Language
en
Open access
closed
Locations
  • Bioinformatics (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Allergy and Infectious Diseases (AI 49135, AI152737, R29AI033259, AI-33259, R21AI049135)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
Keywords
transcription factor activity, transcription factor binding motifs, promoter analysis, gene expression microarrays, gene regulatory regions, NF-κB activation, HIV-1 infection, glucocorticoid receptor, transcriptional regulation
MeSH terms
Algorithms, Computer Systems, Database Management Systems, Promoter Regions, Genetic, Transcription Factors, Information Storage and Retrieval, Oligonucleotide Array Sequence Analysis, Sequence Analysis, Protein, Proteome, Gene Expression Profiling, Databases, Genetic

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