Cited by 238Bioinformatics and Genomic NetworksGenetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and Animals

INRICH: interval-based enrichment analysis for genome-wide association studies

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Lee, Phil H., O'Dushlaine, Colm, Thomas, Brett, Purcell, Shaun M.·2012·Bioinformatics

Abstract

Summary: Here we present INRICH (INterval enRICHment analysis), a pathway-based genome-wide association analysis tool that tests for enriched association signals of predefined gene-sets across independent genomic intervals. INRICH has wide applicability, fast running time and, most importantly, robustness to potential genomic biases and confounding factors. Such factors, including varying gene size and single-nucleotide polymorphism density, linkage disequilibrium within and between genes and overlapping genes with similar annotations, are often not accounted for by existing gene-set enrichment methods. By using a genomic permutation procedure, we generate experiment-wide empirical significance values, corrected for the total number of sets tested, implicitly taking overlap of sets into account. By simulation we confirm a properly controlled type I error rate and reasonable power of INRICH under diverse parameter settings. As a proof of principle, we describe the application of INRICH on the NHGRI GWAS catalog. Availability: A standalone C++ program, user manual and datasets can be freely downloaded from: http://atgu.mgh.harvard.edu/inrich/. Contact: shaun@atgu.mgh.harvard.edu Supplementary information: Supplementary data are available at Bioinformatics online.

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Authors
Lee, P. H., O'Dushlaine, C., Thomas, B., & Purcell, S. M.
Affiliations
  • Broad Institute (US)
  • 1 Analytic and Translational Genetics Unit, Center for Human Genetic Research, Massachusetts General Hospital, MA 02114, 2Department of Psychiatry, Harvard Medical School, Boston, MA 02115, 3Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142 and 4Center for Statistical Genetics, Mount Sinai School of Medicine, New York, NY 10029, USA
Corresponding author
Purcell, Shaun M.
Venue
Bioinformatics
Published
2012-04-17
Volume
28
Issue
13
Pages
1797-1799
ISSN
  • 1367-4803 (ISSN-L)
  • 1367-4811
OpenAlex
W2136322773
Cited by
238
References
10
Citations by year
2026: 2 · 2025: 6 · 2024: 4 · 2023: 5 · 2022: 4 · 2021: 37 · 2020: 20 · 2019: 18 · 2018: 17 · 2017: 23 · 2016: 24 · 2015: 30 · 2014: 25 · 2013: 14 · 2012: 7
FWCI
9.76
Type
journal article
Language
en
Open access
Locations
  • Bioinformatics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (U01MH0855513)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
gene set enrichment analysis, genome-wide association study, genomic intervals, linkage disequilibrium, type I error control
MeSH terms
Genes, Humans, Software, Linkage Disequilibrium, Polymorphism, Single Nucleotide, Genomics, Genome-Wide Association Study

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