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Related Experiment Videos

SAGE analysis to identify embryonic stem cell-predominant transcripts.

Kenneth R Boheler1, Kirill V Tarasov

  • 1Molecular Cardiology Unit, Laboratory of Cardiovascular Science, NIH, National Institute on Aging, Baltimore, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)
|July 19, 2006
PubMed
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Serial Analysis of Gene Expression (SAGE) identifies genes controlling embryonic stem cell self-renewal. This functional genomics technique profiles mRNA to define stem cell molecular characteristics.

Area of Science:

  • Genomics
  • Molecular Biology
  • Stem Cell Biology

Background:

  • The Human Genome Consortium has sequenced the human genome, but identifying genes for specific cellular processes, like embryonic stem cell self-renewal and pluripotency, remains a challenge.
  • Functional genomics techniques are needed to analyze gene expression and discover novel markers for stem cell identification and manipulation.

Purpose of the Study:

  • To introduce Serial Analysis of Gene Expression (SAGE) as a powerful technique for identifying genes that govern embryonic stem cell (ES) self-renewal and pluripotency.
  • To illustrate the principles of SAGE and provide a protocol for generating SAGE libraries for ES cell analysis.
  • To demonstrate how SAGE can be used to discover ES-restricted genes and understand the molecular basis of stem cell biology.

Main Methods:

Related Experiment Videos

  • Serial Analysis of Gene Expression (SAGE) is a sequence-based functional genomics technique.
  • SAGE identifies and quantifies mRNA transcripts by preparing and sequencing complementary DNA concatemers.
  • This method generates a comprehensive gene expression profile without requiring prior knowledge of the genes being studied.

Main Results:

  • SAGE enables the identification and quantification of mRNA transcripts, providing a comprehensive gene expression profile.
  • The technique allows for the discovery of ES-restricted genes (markers) through sequence comparisons.
  • SAGE facilitates the understanding of molecular mechanisms distinguishing ES cells from other cell types.

Conclusions:

  • Serial Analysis of Gene Expression (SAGE) is a powerful tool for analyzing mRNA abundance and defining fundamental characteristics of embryonic stem cells at a molecular level.
  • SAGE can be employed to identify genes responsible for stem cell self-renewal and pluripotency.
  • This technique aids in genetically manipulating identified markers to further elucidate stem cell biology.