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Updated: Aug 7, 2026
07:55
Using SCOPE to Identify Potential Regulatory Motifs in Coregulated Genes
Published on: May 31, 2011
CRSD: a comprehensive web server for composite regulatory signature discovery
Chun-Chi Liu1, Chin-Chung Lin, Wen-Shyen E Chen
1Department of Computer Science, National Chung-Hsing University, Taichung, Taiwan, ROC.
Nucleic Acids Research
|July 18, 2006
Summary
A new web server, the Composite Regulatory Signature Database (CRSD), aids in studying gene expression regulation by transcription factors (TFs) and microRNAs. It integrates multiple databases and analysis tools for comprehensive insights into gene regulation networks.
Area of Science:
- Bioinformatics
- Molecular Biology
- Genomics
Background:
- Transcription factors (TFs) and microRNAs are key regulators of human gene expression.
- Investigating their combined regulatory roles is an emerging research area.
Purpose of the Study:
- To develop a comprehensive web server, the Composite Regulatory Signature Database (CRSD), for analyzing complex gene expression regulation.
- To integrate various biological databases and analytical methods for a holistic approach.
Main Methods:
- Integrated six large-scale databases (UniGene, microRNAs, promoter, TRANSFAC, pathway, GO) and constructed new genome-wide microRNA regulatory signature (MRS) and TF regulatory signature (TRS) databases.
- Developed a web server incorporating microarray data pretreatment, statistical and clustering analysis, iterative enrichment analysis, and motif discovery.
- Implemented methods for comprehensive analysis of gene expression signatures (GESs), MRSs, and TRSs.
Main Results:
- The CRSD provides a unified platform for analyzing complex regulatory behaviors involving GESs, MRSs, and TRSs.
- Genome-wide enrichment analysis results were validated against published literature.
- The integrated approach facilitates simultaneous microarray data analysis, offering a novel capability.
Conclusions:
- CRSD is a powerful and useful bioinformatic web server for investigating gene regulation.
- The platform offers new insights into complex gene regulation networks.
- CRSD is publicly accessible for researchers worldwide.
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