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Related Experiment Videos

Endozepines.

Zoya Farzampour1, Richard J Reimer2, John Huguenard3

  • 1Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA.

Advances in Pharmacology (San Diego, Calif.)
|January 21, 2015
PubMed
Summary
This summary is machine-generated.

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Researchers explored endogenous ligands for the benzodiazepine (BZ) binding site on GABA receptors. The diazepam-binding inhibitor (DBI) shows potential for positive modulation of GABA transmission in specific brain regions.

Area of Science:

  • Neuroscience
  • Pharmacology

Background:

  • Benzodiazepines (BZ) are widely prescribed for their sedative and anxiolytic effects.
  • Their action involves modulating gamma-aminobutyric acid (GABA) receptors.
  • The search for endogenous ligands at the BZ-binding site has been ongoing since the 1980s.

Purpose of the Study:

  • To review the literature on endogenous ligands for the BZ-binding site.
  • To focus on the identification, expression, and function of diazepam-binding inhibitor (DBI).

Main Methods:

  • Literature review of studies on endozepines and BZ-binding site ligands.
  • Analysis of research on DBI and its modulatory effects on GABA transmission.

Main Results:

  • Various endogenous ligands, including DBI, have been identified.
Keywords:
Acyl-CoA-binding proteinAllostericBenzodiazepineDiazepam-binding inhibitorEndogenous ligandEpilepsyGABAGABA(A) receptors

Related Experiment Videos

  • DBI and its fragments are extensively studied endozepines.
  • Recent evidence suggests DBI mediates positive allosteric modulation of GABA transmission in a region-specific manner.

    • Conclusions:

    • The quest for the brain's natural benzodiazepine-like molecule remains complex.
    • DBI is a key candidate, exhibiting regionally specific positive modulation of GABAergic neurotransmission.
    • Further research is needed to fully elucidate DBI's role in the central nervous system.