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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Conditional calcineurin knockout mice exhibit multiple abnormal behaviors related to schizophrenia
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Conditional calcineurin knockout mice exhibit multiple abnormal behaviors related to schizophrenia

机译:条件性钙调磷酸酶基因敲除小鼠表现出与精神分裂症有关的多种异常行为

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摘要

Calcineurin (CN), a calcium- and calmodulin-dependent protein phosphatase, plays a significant role in the central nervous system. Previously, we reported that forebrain-specific CN knockout mice (CN mutant mice) have impaired working memory. To further analyze the behavioral effects of CN deficiency, we subjected CN mutant mice to a comprehensive behavioral test battery. Mutant mice showed increased locomotor activity, decreased social interaction, and impairments in prepulse inhibition and latent inhibition. In addition, CN mutant mice displayed an increased response to the locomotor stimulating effects of MK-801. Collectively, the abnormalities of CN mutant mice are strikingly similar to those described for schizophrenia. We propose that alterations affecting CN signaling could comprise a contributing factor in schizophrenia pathogenesis. [References: 46]
机译:钙调磷酸酶(CN)是一种钙和钙调蛋白依赖性蛋白磷酸酶,在中枢神经系统中起重要作用。以前,我们报道前脑特异的CN基因敲除小鼠(CN突变小鼠)损害了工作记忆。为了进一步分析CN缺乏症的行为影响,我们对CN突变小鼠进行了全面的行为测试。突变小鼠表现出运动活动增加,社交互动减少以及前冲动抑制和潜伏抑制的损害。此外,CN突变小鼠表现出对MK-801运动刺激作用的增强反应。总的来说,CN突变小鼠的异常与精神分裂症的异常极为相似。我们建议影响CN信号的改变可能包括精神分裂症发病机理中的一个贡献因素。 [参考:46]

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