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- W2046332382 abstract "Clozapine is widely used in the treatment of schizophrenia; however its complete mechanism of action is not fully established. The neonatal ventral hippocampal lesion (nVHL) has emerged as a model of schizophrenia-related behavior. Our group has previously shown hyperresponsiveness to novel environment, neuronal atrophy in prefrontal cortex (PFC) and nucleus accumbens (NAcc) neurons as well as abnormal levels of nitric oxide (NO) in the PFC of the nVHL rat. In the present study, we aimed to investigate the role of repeated clozapine administration (2 mg/kg/day for 21 days) in a novel environment, neuronal rearrangement in PFC, NAcc and basolateral amygdala (BLA) as well as NO levels in this model. Clozapine administration reversed the hyperlocomotion observed in a novel environment in the nVHL rat with no effect on locomotion in sham animals. Quantitative morphological analysis demonstrated a retracted neuronal arborization and decreased spinogenesis in the NAcc, PFC and BLA in nVHL rat. Interestingly, clozapine administration also rescued neuronal atrophy in these brain regions. The nVHL also displayed increased NO levels in PFC, striatum and occipital cortex. Clozapine administration selectively reversed these abnormal levels of NO in striatum in nVHL rat while NO levels were increased in the PFC of sham animals. Our results further extend the usefulness of the nVHL as a model of schizophrenia-related behavior and suggest that clozapine reverses behavioral deficits in these animals by modulating neuronal reorganization and NO levels in the brain." @default.
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- W2046332382 date "2012-03-01" @default.
- W2046332382 modified "2023-09-29" @default.
- W2046332382 title "Clozapine administration reverses behavioral, neuronal, and nitric oxide disturbances in the neonatal ventral hippocampus rat" @default.
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- W2046332382 doi "https://doi.org/10.1016/j.neuropharm.2011.12.008" @default.
- W2046332382 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22207157" @default.
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