期刊
NEUROSCIENCE
卷 167, 期 4, 页码 1025-1031出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuroscience.2010.03.010
关键词
astrocytes; oligodendrocytes; clozapine; haloperidol; S100B; schizophrenia
资金
- Saxony-Anhalt Ministry of Research [XN3594OI0405M, N2-OGU]
- Stanley Foundation [07R-1832]
Recent meta-analyses showed consistently elevated levels of S100B in serum and cerebrospinal fluid of schizophrenic patients. This finding has been attributed to glial pathology because S100B is produced by astrocytes and oligodendrocytes. However, S100B may be likewise associated with schizophrenia-related disturbances in glial cell as well as adipocyte energy supply and glucose metabolism. The influence of antipsychotic drugs on S100B levels remains unclear, and some studies have suggested that treatment with these drugs may actually contribute to the elevated S100B levels observed in schizophrenic patients. In this study, we explored the effects of the typical antipsychotic haloperidol and the atypical prototype drug clozapine on the release of S100B by astrocytic C6 cells and oligodendrocytic OLN-93 cells. Because of the association between schizophrenia and disturbances in energy metabolism, we assessed the effects of these drugs under basal condition (BC) compared to serum and glucose deprivation (SGD). We found that treatment of C6 and OLN-93 cells with haloperidol and clozapine reduced the release of S100B from C6 and OLN-93 cells under BC and SGD in vitro at a tissue concentration corresponding to the assumed therapeutic dose range of these drugs. These data suggest that elevated levels of S100B in bodily fluids of schizophrenic patients are normalized rather than increased by the effects of antipsychotic drugs on glial cells. (C) 2010 IBRO. Published by Elsevier Ltd. All rights reserved.
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