Abstract：
PURPOSE:To examine the possibility that structural damage to the brain may play a role in the pathogenesis of schizophrenia by measuring the level of plasma S-100B, a calcium-binding protein found predominantly in the cytosol of glial cells. METHOD:Fifty-seven Chinese psychiatric inpatients who met DSM-IV diagnosis of schizophrenia and 60 healthy controls were enrolled in the study. Patients were assessed with the Positive and Negative Symptoms Scale (PANSS) at admission and at 12 weeks after treatment. Plasma samples were collected from patients and controls and S-100B protein was assayed using ELISA. RESULTS:(1) 29 of 57 patients (50.9%) showed increased S-100B level compared to the mean level of 60 healthy controls (p<0.005) vs. only 1 of 60 (1.67%) controls. The S-100B levels of unmedicated (0.119+/-0.059microg/L) and medicated patients (0.117+/-.0.057microg/L) were significantly higher than controls (0.067+/-0.022microg/L, both p<0.001), and S-100B levels of unmedicated patients were higher than those of medicated patients (p=0.024); (2) at admission, S-100B level was positively correlated with total score of PANSS (r=0.269, p=0.043), especially with negative subscore of PANSS (r=0.306, p=0.021), but the correlation was no longer present after patients were treated by anti-psychotic agents. CONCLUSION:The S-100B levels of patients with schizophrenia are significantly higher than that of healthy controls, and the S-100B level is associated with severity of psychopathology, particularly negative symptoms, indicating that patients with schizophrenia may suffer structural damage to central nervous system. The concentration of S-100B may also be associated with treatment progress.
journal_name
J Psychiatr Resjournal_title
Journal of psychiatric researchauthors
Ling SH,Tang YL,Jiang F,Wiste A,Guo SS,Weng YZ,Yang TSdoi
10.1016/j.jpsychires.2005.11.006subject
Has Abstractpub_date
2007-01-01 00:00:00pages
36-42issue
1-2eissn
0022-3956issn
1879-1379pii
S0022-3956(05)00144-5journal_volume
41pub_type
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