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Related Experiment Videos

Technology evaluation: SAGE, Genzyme molecular oncology.

J Bartlett1

  • 1University of Glasgow Department of Surgery, Level 2, Queen Elizabeth Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK. gqva20@udcf.gla.ac.uk

Current Opinion in Molecular Therapeutics
|March 16, 2001
PubMed
Summary

Genzyme Molecular Oncology utilizes Serial Analysis of Gene Expression (SAGE) technology to identify disease-related genes and potential therapeutic targets. This high-throughput method analyzes gene expression, aiding in cancer research and drug discovery through various collaborations.

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Area of Science:

  • Genomics and Molecular Biology
  • Biotechnology and Bioinformatics
  • Cancer Research and Drug Discovery

Background:

  • Serial Analysis of Gene Expression (SAGE) is a high-throughput technology for measuring gene expression levels.
  • It enables the simultaneous detection and quantification of genes, including rare transcripts, within a cell.
  • SAGE facilitates the analysis of gene expression differences between various cellular states or conditions.

Purpose of the Study:

  • To leverage SAGE technology for screening compound libraries and identifying disease-related genes.
  • To discover novel diagnostic markers and therapeutic targets for diseases, particularly cancer.
  • To gain insights into cellular mechanisms and disease pathways through comprehensive gene expression profiling.

Main Methods:

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  • Isolation and sequencing of short gene expression tags (SAGE tags) from cellular transcripts.
  • Analysis of sequence data to identify expressed genes and their respective expression levels.
  • Creation of gene expression libraries for comparative analysis between different cell types or conditions.

Main Results:

  • Identification of 40 genes with elevated expression in cancer tissues compared to normal tissues by December 1999.
  • Discovery of potential diagnostic markers and therapeutic targets from these identified genes.
  • Confirmation of SAGE's capability to detect rare genes, as demonstrated in gastrointestinal cancer studies.

Conclusions:

  • SAGE technology is a powerful tool for gene discovery, disease pathway analysis, and drug development.
  • Collaborations with institutions like NCI, Xenometrix, Ontogeny, Bayer, Hexagen, and JHU have advanced its application.
  • The technology holds significant promise for identifying novel therapeutic strategies and understanding complex biological processes.