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Endorphins in psychiatry.

H M Emrich

    Psychiatric Developments
    |January 1, 1984
    PubMed
    Summary

    Endorphinergic systems play a role in pain and anxiety relief, potentially influencing psychiatric conditions like schizophrenia and depression. Research explores their involvement in mental health disorders.

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    Area of Science:

    • Neuroscience
    • Psychiatry
    • Endocrinology

    Background:

    • Endorphinergic systems are activated by stress, suggesting roles in pain and anxiety regulation.
    • Opiates' psychotogenic and anxiolytic effects hint at endorphin involvement in psychiatric disorders.

    Purpose of the Study:

    • To review the evidence for endorphinergic system involvement in schizophrenia and depression.
    • To examine the therapeutic potential of modulating endorphinergic systems for psychiatric conditions.

    Main Methods:

    • Review of existing literature on endorphin hypotheses of schizophrenia and depression.
    • Analysis of studies on naloxone's antipsychotic effects and neuroleptic therapy.
    • Examination of therapeutic trials with mu-receptor agonists and electroconvulsive therapy (ECT).

    Main Results:

    • Naloxone shows a small but significant antipsychotic effect, supporting endorphin involvement in schizophrenia.
    • Evidence for endorphin deficiency in depression is reviewed, with some antidepressant therapies showing promise.
    • ECT is associated with increased plasma beta-endorphin immunoreactivity.

    Conclusions:

    • Endorphinergic systems are implicated in the pathophysiology of schizophrenia and depression.
    • Modulating endorphinergic systems, particularly via mu-receptor agonists, may offer novel therapeutic strategies for psychiatric disorders.
    • Further research is needed to fully elucidate the role of endorphins in mental health and disease.

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