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Retinoid-regulated gene expression in neural development

M Clagett-Dame1, L A Plum

  • 1Department of Biochemistry, School of Pharmacy, University of Wisconsin-Madison 53706, USA.

Critical Reviews in Eukaryotic Gene Expression
|January 1, 1997
PubMed
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Retinoic acid receptors (RAR and RXR) are key to understanding vitamin A's role in embryonic development and cell differentiation. These receptors regulate gene expression, influencing crucial developmental processes like hindbrain formation and neural cell survival.

Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Genetics

Background:

  • Retinoic acid receptors (RAR and RXR) are crucial for understanding vitamin A's molecular mechanisms.
  • Retinoids regulate gene expression through binding to retinoic acid response elements.
  • Complex interactions involving coregulatory proteins and cell-specific factors influence retinoid-regulated gene expression.

Purpose of the Study:

  • To elucidate the molecular mechanisms of vitamin A action in embryonic development.
  • To understand the role of RAR and RXR in gene expression regulation.
  • To investigate the impact of retinoids on hindbrain development and neural cell differentiation.

Main Methods:

  • Analysis of retinoic acid receptor (RAR and RXR) binding to retinoic acid response elements.

Related Experiment Videos

  • Investigation of coregulatory proteins and cell-specific factors in retinoid signaling.
  • Examination of retinoid effects on Hox gene expression and neural development during embryogenesis.

    • Main Results:

    • Retinoids, via RAR and RXR, are essential for posterior hindbrain development.
    • Retinoids influence the survival and differentiation of specific neurons and neural crest derivatives.
    • Regulation of Hox gene expression is a key mechanism for retinoid effects on hindbrain development.

    Conclusions:

    • Retinoid signaling pathways are critical for embryonic development, particularly in the nervous system.
    • Further research is needed to fully understand how retinoid-regulated genes drive phenotypic changes in embryogenesis.