期刊
JOURNAL OF PSYCHIATRIC RESEARCH
卷 76, 期 -, 页码 9-15出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychires.2016.01.013
关键词
Schizophrenia; Behavior; Cytokines; Biological psychiatry; Neuropsychiatry
类别
资金
- National Natural Science Foundation of China [81371477, 81501160]
- Beijing Municipal Natural Science Foundation [7132063, 7072035]
- NARSAD Independent Investigator Grant
- Stanley Medical Research Institute [03T-459, 05T-726]
- NHMRC [GNT1016870]
The pathophysiology of cognitive deficits in schizophrenia may involve the neuroinflammation mediated by cytokines. This study examined the IL-18 levels, the cognitive function, and their association in schizophrenia. We recruited 70 chronic patients and 75 normal controls and examined the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) and IL-18 levels. Positive and Negative Syndrome Scale (PANSS) was assessed in chronic patients. IL-18 levels were increased in chronic patients as compared to normal controls (p < 0.01). RBANS total score and the subscales of immediate memory and delayed memory were lower in patients than controls (all p < 0.001). In patients, IL-18 levels were positively associated with RBANS total score and the subscales of immediate and delayed memory (all p < 0.05). Multiple regression analysis further confirmed that IL-18 was an independent contributor to RBANS total score and the aforementioned two indexes (all p < 0.05). Our data demonstrate that immune responses may play an important role in cognitive deficits in schizophrenia and the abnormal levels of IL-18 reflecting the disturbed balance of proinflammatory and anti-inflammatory mechanisms may be relevant to cognitive deficits of this disorder. (C) 2016 Elsevier Ltd. All rights reserved.
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