The plasma levels of interleukin-12 in schizophrenia, major depression, and bipolar mania: effects of psychotropic drugs

Interleukin-12 (IL-12) plays a key role in promoting T helper 1 (Th1) responses and subsequent cell-mediated immunity. Given the role of cytokines in the pathogenesis of psychiatric disorders, the dysregulation of IL-12 in these illnesses would be expected. We measured the plasma levels of IL-12 in...

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Veröffentlicht in:Molecular psychiatry 2002-01, Vol.7 (10), p.1107-1114
Hauptverfasser: KIM, Y-K, SUH, I-B, KIM, H, HAN, C-S, LIM, C-S, CHOI, S-H, LICINIO, J
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container_end_page 1114
container_issue 10
container_start_page 1107
container_title Molecular psychiatry
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creator KIM, Y-K
SUH, I-B
KIM, H
HAN, C-S
LIM, C-S
CHOI, S-H
LICINIO, J
description Interleukin-12 (IL-12) plays a key role in promoting T helper 1 (Th1) responses and subsequent cell-mediated immunity. Given the role of cytokines in the pathogenesis of psychiatric disorders, the dysregulation of IL-12 in these illnesses would be expected. We measured the plasma levels of IL-12 in 102 psychiatric patients (43 schizophrenia, 34 major depression and 25 bipolar disorder) and 85 normal controls. In addition, IL-12 levels of the patients were measured after an 8-week treatment to assess whether the levels were affected by medication. The IL-12 levels of the patient group with major depression were significantly higher than that of the control group, whereas no differences were found among the other groups. IL-12 values of the three patient groups decreased significantly after 8 weeks of treatment. These findings support the hypothesis that activation of the inflammatory response system and in particular of Th-1-like cells, is involved in the pathophysiology of major depression and that repeated administration of antidepressive and antipsychotic drugs may suppress IL-12 plasma concentrations in psychiatric patients.
doi_str_mv 10.1038/sj.mp.4001084
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subjects Adolescent
Adult
Adult and adolescent clinical studies
Affective disorders
Aged
Antidepressants
Antipsychotics
Biological and medical sciences
Bipolar disorder
Bipolar Disorder - blood
Bipolar Disorder - immunology
Cell-mediated immunity
Cytokines
Depressive Disorder - blood
Depressive Disorder - immunology
Drug toxicity and drugs side effects treatment
Female
Humans
Inflammation
Interleukin 12
Interleukin-12 - blood
Lymphocytes T
Male
Medical sciences
Mental depression
Mental disorders
Middle Aged
Miscellaneous
Miscellaneous (drug allergy, mutagens, teratogens...)
Mood disorders
Patients
Pharmacology. Drug treatments
Plasma levels
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychotropic drugs
Psychotropic Drugs - pharmacology
Reference Values
Schizophrenia
Schizophrenia - blood
Schizophrenia - immunology
Th1 Cells - immunology
title The plasma levels of interleukin-12 in schizophrenia, major depression, and bipolar mania: effects of psychotropic drugs
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