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Related Experiment Videos

In situ-synthesized novel microarray optimized for mouse stem cell and early developmental expression profiling.

Mark G Carter1, Toshio Hamatani, Alexei A Sharov

  • 1Developmental Genomics and Aging Section, Laboratory of Genetics, National Institute on Aging (NIA), National Institutes of Health, Baltimore, Maryland 20892, USA.

Genome Research
|May 3, 2003
PubMed
Summary

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Researchers developed a new microarray platform for mouse embryology and stem cell research, enabling gene expression analysis from minimal tissue samples. This innovation overcomes previous limitations in mouse developmental genetics studies.

Area of Science:

  • Developmental Biology
  • Genomics
  • Molecular Biology

Background:

  • Microarray applications in mouse embryology are limited by probe availability and high RNA requirements.
  • Small tissue samples in embryonic research yield insufficient RNA for traditional microarray analysis.

Purpose of the Study:

  • To develop a novel microarray platform for mouse embryology and stem cell research.
  • To enable gene expression profiling from minute biological samples.

Main Methods:

  • Developed a microarray with in situ-synthesized 60-mer oligonucleotide probes for ~22,000 mouse transcripts.
  • Optimized RNA labeling and experimental protocols for low RNA input (as little as 2 ng).

Main Results:

  • The microarray platform contains probes derived from stem cell and embryo cDNA libraries.

Related Experiment Videos

  • Optimized protocols allow reliable gene expression analysis from minimal RNA quantities.
  • High probe representation (~98%) links to publicly available cDNA clones for further research.

    • Conclusions:

    • The developed microarray system overcomes previous limitations in mouse embryology and stem cell research.
    • This platform is a valuable resource for embryogenomics and stem cell research due to its ability to profile small samples.
    • Facilitates further research on genes of interest through accessible cDNA clones.