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A number of studies have indicated that 8p22-p12 is likely to harbor schizophrenia susceptibility loci. In this region, the candidate gene of interest, neuregulin 1 (NRG1), may play a role in the pathogenesis of schizophrenia. Then in the present study, we performed the linkage disequilibrium to determine the association between three genetic variants(More)
Cognitive impairments have been proposed as a core feature of schizophrenia. Studies have shown that chronic or subchronic treatment with N-methyl-d-aspartate (NMDA) antagonists could induce cognitive deficits that resemble the symptoms of schizophrenia, yet few studies have investigated the effects of repeated NMDA blockade during adolescence on cognition.(More)
AIMS Previous studies of the prescription patterns of psychotropic medications in patients with schizophrenia have highlighted a high rate of antipsychotic polypharmacy, but data in Asia are sparse. This study seeks to examine the prevalence of antipsychotic polypharmacy in patients with schizophrenia and compare the differences between patients receiving(More)
The purpose of this international collaborative study was to investigate the prescription patterns of antipsychotic drugs for schizophrenia in East Asia and to analyze factors that affect these patterns. Prescription patterns for patients admitted for treatment of schizophrenia were surveyed using a standardized protocol from six East-Asian(More)
OBJECTIVE To investigate the association between the level of serum brain-derived neurotrophic factor (sBDNF) and the therapeutic efficacy of modified electroconvulsive therapy (MECT) in Chinese patients with depressive disorder. METHODS Twenty-eight patients with depressive episode and 28 healthy subjects were recruited in the current study. The sBDNF(More)
BACKGROUND Resting-state fMRI is a novel approach to measure spontaneous brain activity in patients with major depressive disorder (MDD). Although most resting-state fMRI studies have focused on the examination of temporal correlations between low-frequency oscillations (LFOs), few studies have explored the amplitude of these LFOs in MDD. In this study, we(More)
AIMS Few studies have examined the use of depot antipsychotics in East Asian patients with schizophrenia. This study examined the prevalence of depot antipsychotic use and its clinical correlates. METHODS Across six East Asian countries and territories, 2399 patients with schizophrenia were surveyed using a standardized protocol. RESULTS Depot(More)
OBJECTIVE The aim of this study was to survey the use of anticholinergic medication (ACM) in Asia between 2001 and 2009 and examine its demographic and clinical correlates. METHOD A total of 6 761 hospitalized schizophrenia patients in 9 Asian countries and territories were examined between 2001 and 2009. The patients' socio-demographic and clinical(More)
UNLABELLED Schizophrenic patients have a high rate of smoking and cognitive deficits which may be related to a decreased number or responsiveness of nicotinic receptors in their brains. Varenicline is a partial nicotinic agonist which is effective as an antismoking drug in cigarette smokers, although concerns have been raised about potential psychiatric(More)
OBJECTIVE This study examined the use, demographic and clinical correlates of antipsychotic polypharmacy (APP) and its associations with treatment satisfaction and quality of life (QOL) in schizophrenia patients in China. METHOD A total of 4239 patients in 45 nationwide Chinese psychiatric hospitals/centers were interviewed in 2012 in the third(More)