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Signal transduction and genes-to-behaviors pathways in psychiatric diseases

Husseini K Manji1, Irving I Gottesman, Todd D Gould

  • 1Laboratory of Molecular Pathophysiology, Mood and Anxiety Disorders Program, NIMH, Bethesda, MD 20892, USA. manjih@intra.nimh.nih.gov

Science'S STKE : Signal Transduction Knowledge Environment
|November 6, 2003
PubMed

Insights

Intracellular signaling pathway dysfunction is implicated in psychiatric diseases. Genetic findings, like those for calcineurin in schizophrenia, highlight the role of these pathways in mental health.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Molecular Biology

Background:

  • Psychiatric diseases are common and destructive, yet their molecular origins are not fully understood.
  • Intracellular signaling pathways are crucial for neurotransmitter communication and behavioral regulation.
  • Genomic studies have identified potential genetic links to psychiatric disorders.

Purpose of the Study:

  • To explore the role of intracellular signaling pathways in the etiology of psychiatric disorders.
  • To investigate the functional relevance of genetic findings in psychiatry.
  • To examine the involvement of protein phosphatase 2B (calcineurin) in schizophrenia.

Main Methods:

  • Analysis of psychiatric drug effects on cellular mechanisms.
  • Review of signaling pathway roles in neurocommunication.
  • Examination of genetic linkage and candidate gene findings in psychiatric populations.

Main Results:

  • Evidence suggests protein phosphatase 2B (calcineurin) is a schizophrenia susceptibility gene.
  • Signaling pathways regulate diverse behavioral symptoms observed in patients.
  • Psychiatric drug actions indicate involvement of intracellular signaling.

Conclusions:

  • Dysfunction of intracellular signaling pathways is likely involved in psychiatric diseases.
  • Genetic findings in severe psychiatric disorders point to modulation of critical signaling pathways.
  • Further research is needed to elucidate the precise mechanisms linking signaling pathways to mental illness.

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