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Spatiotemporal patterns of gene expression during fetal monkey brain development.

D Eugene Redmond1, Ji-Liang Zhao, Jeffry D Randall

  • 1Department of Psychiatry, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA. eugene.redmond@yale.edu

Brain Research. Developmental Brain Research
|December 4, 2003
PubMed
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Researchers mapped gene expression in developing primate brains using DNA microarrays. This study reveals spatiotemporal gene patterns, identifying co-regulated genes crucial for understanding brain development and function.

Area of Science:

  • Developmental biology
  • Neuroscience
  • Genomics

Background:

  • Understanding fetal brain development is crucial for addressing neurological disorders.
  • Gene expression patterns provide insights into developmental processes.
  • Primate models are essential for studying human-specific developmental aspects.

Purpose of the Study:

  • To investigate the spatiotemporal gene expression patterns during fetal primate brain development.
  • To identify dynamically expressed genes and their spatial and temporal regulation.
  • To uncover the functions of unknown developmental genes in primates.

Main Methods:

  • Utilized human DNA microarrays to analyze gene expression.
  • Examined 444 dynamically expressed genes across four major brain areas at five fetal ages.

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  • Employed two microarray platforms for high-throughput cross-validation.

    • Main Results:

    • Identified distinct spatiotemporal gene expression profiles in different fetal brain regions.
    • Observed waves of gene expression across the developing brain.
    • Discovered statistically significant clusters of co-regulated genes.

    Conclusions:

    • This study provides the first comprehensive primate-based analysis of developmental gene expression timing and location.
    • The findings offer insights into the functions of numerous developmental genes.
    • Results may inform new strategies for treating brain disorders.