Cited by 79Gene expression and cancer classificationBioinformatics and Genomic NetworksBreast Cancer Treatment Studies

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Detecting intergene correlation changes in microarray analysis: a new approach to gene selection

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Hu, Rui, Qiu, Xing, Glazko, Galina, Klebanov, Lev, Yakovlev, Andrei·2009·BMC Bioinformatics

Abstract

Background: Microarray technology is commonly used as a simple screening tool with a focus on selecting genes that exhibit extremely large differential expressions between different phenotypes. It lacks the ability to select genes that change their relationships with other genes in different biological conditions (differentially correlated genes). We intend to enrich the above procedure by proposing a nonparametric selection procedure that selects differentially correlated genes. Results: Using both simulations and resampling techniques, we found that our procedure correctly detected genes that were not differentially expressed but differentially correlated. We also applied our procedure to a set of biological data and found some potentially important genes that were not selected by the traditional method. Discussion and Conclusion: Microarray technology yields multidimensional information on the function of the whole genome. Rather than treating intergene correlation as a nuisance to the traditional gene selection procedures which are essentially univariate, our method utilizes the rich information contained in the correlation as a new selection criterion. It can provide additional useful candidate genes for the biologists.

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Figure 1 Estimated Null Density Functions (resampling method with Bonferroni threshold 0.05) without shuffling slides, the estimated N-statistic is 173.83 for the significant gene and 25.74 for the non-significant gene. The estimated density functions of most other genes follow the same pattern.
Figure 1 Estimated Null Density Functions (resampling method with Bonferroni threshold 0.05) without shuffling slides, the estimated N-statistic is 173.83 for the significant gene and 25.74 for the non-significant gene. The estimated density functions of most other genes follow the same pattern.CC BY · PubMed Central

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Metadata

Authors
Hu, R., Qiu, X., Glazko, G., Klebanov, L., & Yakovlev, A.
Affiliations
  • University of Rochester Medicine (US)
  • University of Rochester (US)
  • Charles University (CZ)
Corresponding author
Qiu, Xing
Venue
BMC Bioinformatics
Published
2009-01-15
Volume
10
Issue
1
Pages
20-20
ISSN
1471-2105 (ISSN-L)
OpenAlex
W2037580712
Cited by
79
References
27
Citations by year
2024: 4 · 2023: 1 · 2022: 4 · 2021: 9 · 2020: 3 · 2019: 3 · 2018: 4 · 2017: 6 · 2016: 7 · 2015: 5 · 2014: 8 · 2013: 7 · 2012: 6
FWCI
2.41
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Bioinformatics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (GM075299, GM079259, R01GM075299, R21GM079259)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
Keywords
gene selection, microarray data, gene expression correlation, candidate genes, resampling
MeSH terms
Algorithms, Computational Biology, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Databases, Genetic

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