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Related Experiment Videos

Temporal and spatial transcriptional programs in murine kidney development.

G Challen1, B Gardiner, G Caruana

  • 1Institute of Molecular Bioscience, University of Queensland, St. Lucia, Queensland, Victoria, Australia.

Physiological Genomics
|July 7, 2005
PubMed
Summary
This summary is machine-generated.

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This study profiles mouse kidney development, identifying 3,600 dynamically expressed genes and key biological networks involved in proliferation and differentiation during metanephric development.

Area of Science:

  • Developmental Biology
  • Genomics
  • Molecular Biology

Background:

  • Kidney development is a complex process involving precise temporal and spatial gene regulation.
  • Understanding the genetic underpinnings of kidney development is crucial for addressing congenital kidney diseases.

Purpose of the Study:

  • To comprehensively map gene expression during mouse kidney development.
  • To identify key genes, pathways, and networks regulating metanephric development.
  • To provide a foundation for functional studies of kidney development.

Main Methods:

  • Systematic temporal and spatial gene expression profiling using Compugen long-oligonucleotide microarrays.
  • Analysis of 18,000 genes at 24-h intervals from embryonic day 10.5 to neonatal stages.

Related Experiment Videos

  • Gene expression comparison between different embryonic time points and cell populations (metanephric mesenchyme, ureteric bud).
  • In situ hybridization for differential gene expression validation.

    • Main Results:

    • Identified 3,600 dynamically expressed genes during mouse kidney development.
    • Cluster and network analyses revealed significant involvement of proliferation and differentiation pathways.
    • High concordance with existing rat kidney development data.
    • Spatial profiling identified genes related to metanephric commitment and nephrogenesis.

    Conclusions:

    • This study presents the most comprehensive temporal and spatial survey of mouse kidney development to date.
    • The identified gene expression patterns and networks offer critical insights into metanephric development.
    • These findings provide a valuable resource for future functional investigations into kidney organogenesis.