Cited by 1,765Gene expression and cancer classificationStatistical Methods in Clinical TrialsBioinformatics and Genomic Networks

Identifying differentially expressed genes using false discovery rate controlling procedures

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Reiner, Anat, Yekutieli, Daniel, Benjamini, Yoav·2003·Bioinformatics

Abstract

Motivation: DNA microarrays have recently been used for the purpose of monitoring expression levels of thousands of genes simultaneously and identifying those genes that are differentially expressed. The probability that a false identification (type I error) is committed can increase sharply when the number of tested genes gets large. Correlation between the test statistics attributed to gene co-regulation and dependency in the measurement errors of the gene expression levels further complicates the problem. In this paper we address this very large multiplicity problem by adopting the false discovery rate (FDR) controlling approach. In order to address the dependency problem, we present three resampling-based FDR controlling procedures, that account for the test statistics distribution, and compare their performance to that of the naïve application of the linear step-up procedure in Benjamini and Hochberg (1995). The procedures are studied using simulated microarray data, and their performance is examined relative to their ease of implementation. Results: Comparative simulation analysis shows that all four FDR controlling procedures control the FDR at the desired level, and retain substantially more power then the family-wise error rate controlling procedures. In terms of power, using resampling of the marginal distribution of each test statistics substantially improves the performance over the naïve one. The highest power is achieved, at the expense of a more sophisticated algorithm, by the resampling-based procedures that resample the joint distribution of the test statistics and estimate the level of FDR control. Availability: An R program that adjusts p-values using FDR controlling procedures is freely available over the Internet at www.math.tau.ac.il/~ybenja Contact: anatr@post.tau.ac.il * To whom correspondence should be addressed.

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Research works printed but not linked: 3

  1. Storey,JD and Tibshirani,R. (2003) SAM thresholding and false discovery rates for detecting differential gene expression in DNA microarrays. In Parmigiani,G, Garrett,E.S., Irizarry,R.A. and Zeger,S.L. (eds), To appear in The Analysis of Gene Expression Data: Methods and Software. Springer, New York.
  2. Tusher,V., Tibshirani,R. and Chu,G. (2001) Significance analysis of microarrays applied to transcriptional responses to ionizing radiation. Proc. Natl Acad. Sci. USA, 98, 5116-5121.
  3. Yekutieli,D. (2002) Theoretical results needed for applying the false discovery rate in statistical problems, Phd thesis, Depart- ment of Statistics and Operation Research, Tel-Aviv University.

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Authors
Reiner, A., Yekutieli, D., & Benjamini, Y.
Affiliations
  • Department of Statistics and Operations Research, The Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel
  • Tel Aviv University (IL)
Venue
Bioinformatics
Published
2003-02-12
Volume
19
Issue
3
Pages
368-375
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2108819945
Cited by
1,765
References
1
Citations by year
2026: 30 · 2025: 39 · 2024: 56 · 2023: 55 · 2022: 68 · 2021: 86 · 2020: 91 · 2019: 78 · 2018: 74 · 2017: 74 · 2016: 64 · 2015: 83 · 2014: 77 · 2013: 73 · 2012: 74
FWCI
33.51
Type
journal article
Language
en
Open access
Locations
  • Bioinformatics (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Clinical Trials
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
false discovery rate, differentially expressed genes, DNA microarrays, multiple comparisons, gene co-regulation, measurement error correlation, Benjamini-Hochberg procedure, family-wise error rate, statistical power, p-value adjustment
MeSH terms
Algorithms, Animals, Computer Simulation, Gene Expression Regulation, Cholesterol, HDL, Liver, Mice, Inbred C57BL, Models, Genetic, Reproducibility of Results, Models, Statistical, DNA, Complementary, Sample Size, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Mice

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