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Related Experiment Videos

CREB, neurogenesis and depression.

Peter Gass1, Marco A Riva

  • 1Central Institute of Mental Health Mannheim, University of Heidelberg, Germany. peter.gass@zi-mannheim.de

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|September 19, 2007
PubMed
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The transcription factor CREB is linked to depression. Surprisingly, CREB-deficient mice show increased neurogenesis and rapid antidepressant response, challenging current understanding.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Psychiatry

Background:

  • The transcription factor CREB (cAMP response element-binding protein) is involved in depression pathogenesis and treatment.
  • Antidepressant treatments typically upregulate and activate CREB in the hippocampus, paralleling neurogenesis.
  • Recent findings in CREB-deficient mice present a paradox, showing increased neurogenesis and antidepressant effects.

Purpose of the Study:

  • To reconcile new findings on CREB-deficient mice with established knowledge of CREB, neurogenesis, and depression.
  • To explore the role of CREB in antidepressant response and neurogenesis.
  • To identify key experiments for future research in this area.

Main Methods:

  • Review of existing literature on CREB, neurogenesis, and depression.

Related Experiment Videos

  • Analysis of findings from studies using CREB-deficient mouse models.
  • Synthesis of data to propose a revised understanding of CREB's role.

    • Main Results:

    • CREB-deficient mice exhibit upregulated neurogenesis.
    • These mice display a rapid behavioral response to antidepressants.
    • This contrasts with the typical response observed in wild-type mice.

    Conclusions:

    • The role of CREB in depression and antidepressant action requires re-evaluation.
    • Neurogenesis may be upregulated independently of CREB activation in response to antidepressants.
    • Further research is needed to elucidate the complex interplay between CREB, neurogenesis, and depression treatment.