期刊
INTERNATIONAL IMMUNOPHARMACOLOGY
卷 23, 期 2, 页码 550-557出版社
ELSEVIER
DOI: 10.1016/j.intimp.2014.09.030
关键词
Clozapine; Haloperidol; Neutrophils; HL-60; Phagocytosis
资金
- Taipei Tzuchi Hospital [TCRD-TPE-103-037]
- Buddhist Tzuchi Medical Foundation, Taiwan, Republic of China
Antipsychotic drugs (APDs) have been used to ease the symptoms of schizophrenia APDs have recently been reported to regulate the immune response. Our previous studies revealed that the atypical APDs risperidone and clozapine and the typical APD haloperidol can inhibit the phagocytic ability of macrophages. Our research next determined the effects of APDs on the phagocytic ability of neutrophils, which are the most abundant type of white blood cells in mammals. Here we provide evidence that clozapine and haloperidol can induce increased phagocytic uptake of Escherichia coli by differentiated HL-60 cells and by purified human neutrophils. Furthermore, clozapine and haloperidol can increase the myeloperoxidase activity and IL-8 production in neutrophils. Our results also show that clozapine can inhibit E. coli survival within differentiated HL-60 cells. Furthermore, dozapine and haloperidol are shown to enhance cell surface Mac-1 expression and the activated ART signaling pathway in purified neutrophils exposed to E. coli. These results indicate that clozapine and haloperidol can increase the phagocytic ability of neutrophils by increasing AKT activation when cells are exposed to bacteria. (C) 2014 Elsevier B.V. All rights reserved.
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