4.4 Article

Neuroleptics normalize increased release of interleukin-1β and tumor necrosis factor-α from monocytes in schizophrenia

Journal

SCHIZOPHRENIA RESEARCH
Volume 50, Issue 3, Pages 169-175

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ELSEVIER
DOI: 10.1016/S0920-9964(00)00156-0

Keywords

haloperidol; IL-1 beta; monocytes; perazine; schizophrenia; TNF-alpha

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Some recent reports show that schizophrenia is accompanied by changes in lymphocyte activity. This study investigated the activity of monocytes by determining their release of interleukin-1 beta (IL-1 beta) and tumor necrosis factor-alpha (TNF-alpha). Monocytes were immunomagnetically isolated from the peripheral blood of schizophrenic patients before and after neuroleptic medication and stimulated by lipopolisaccharide (LPS) in vitro. The monocytes of schizophrenic patients released significantly higher amounts of IL-1 beta and TNF-alpha than those of healthy controls. Treatment with the typical neuroleptics haloperidol and perazine decreased the release of IL-1 beta and TNF-alpha to the control levels. The study has shown that the activity of monocytes is increased in schizophrenia and that neuroleptic treatment normalizes this activity. (C) 2001 Elsevier Science B.V. All rights reserved.

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