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Related Experiment Videos

Physiological function of the orphans GCNF and COUP-TF.

A J Cooney1, C T Lee, S C Lin

  • 1Department Molecular and Cellular Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA.

Trends in Endocrinology and Metabolism: TEM
|July 11, 2001
PubMed
Summary
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Orphan nuclear receptors are key transcription factors with unknown functions. Gene knockouts reveal insights into the roles of GCNF and COUP-TFs in mouse development, advancing our understanding of these critical proteins.

Area of Science:

  • Endocrinology
  • Molecular Biology
  • Genetics

Background:

  • Orphan nuclear receptors are transcription factors lacking identified ligands and functions.
  • Ligands have been found for some nuclear receptors, reclassifying them.
  • Understanding remaining orphans is crucial due to nuclear receptors' roles in health and disease.

Purpose of the Study:

  • To review progress in understanding orphan nuclear receptors GCNF and COUP-TFs.
  • To highlight the utility of gene knockout models in studying orphan receptor functions.

Main Methods:

  • Gene targeting to create knockout mice for specific orphan nuclear receptors.
  • Studying mouse development and phenotypes in the absence of GCNF and COUP-TFs.

Main Results:

Related Experiment Videos

  • Gene knockouts provide insights into the functions of previously uncharacterized orphan nuclear receptors.
  • This approach is particularly useful for orphans that form homodimers, where ligand identification is challenging.

Conclusions:

  • Gene knockout studies are essential for elucidating the roles of orphan nuclear receptors, such as GCNF and COUP-TFs.
  • Understanding these receptors is vital for comprehending biological processes and disease mechanisms.