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DigiNorthern, digital expression analysis of query genes based on ESTs
1Department of Cancer Genetics and the Biomathematics & Biostatistics Core Facility, Roswell Park Cancer Institute, Elm & Carlton Streets, Buffalo, NY 14263, USA.
Bioinformatics (Oxford, England)
|March 26, 2003
Summary
DigiNorthern (DN) is a web-based tool that displays gene expression profiles using EST sequences. It allows for quantitative comparison of gene expression between normal and neoplastic tissues, and side-by-side comparisons of two genes.
Area of Science:
- Bioinformatics
- Computational Biology
- Genomics
Background:
- Gene expression profiling is crucial for understanding biological processes and disease.
- Existing tools may lack comprehensive features for comparing expression across normal and disease states.
- EST sequences provide valuable data for inferring gene expression patterns.
Purpose of the Study:
- To introduce DigiNorthern (DN), a novel web-based tool for visualizing gene expression profiles.
- To provide a platform for quantitative comparison of gene expression in normal versus neoplastic tissues.
- To enable side-by-side expression profile comparisons for two query genes.
Main Methods:
- Development of a web-based application utilizing EST sequence data.
- Implementation of DN1 utility for single-gene expression analysis across tissue types and conditions.
- Implementation of DN2 utility for comparative analysis of two gene expression profiles.
Main Results:
- DigiNorthern (DN) effectively displays quantitative gene expression profiles based on EST data.
- The tool facilitates direct comparison of gene expression between normal and neoplastic tissue states.
- DN2 allows for efficient side-by-side visualization of expression patterns for multiple genes.
Conclusions:
- DigiNorthern (DN) is a valuable resource for researchers studying gene expression patterns.
- The tool aids in identifying differential gene expression in disease contexts.
- DN enhances the ability to explore and compare gene expression data through a user-friendly interface.

