The role of tight junction proteins in the pathogenesis of schizophrenia.

IF 3.7 3区 医学 Q1 CLINICAL NEUROLOGY
Sukhorukova Yulia, Zorkina Yana, Andryushchenko Alisa, Kostyuk Georgy
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Abstract

The blood-brain barrier (BBB) integrity is important for central nervous system homeostasis, and dysfunction of its components may contribute to the pathogenesis of various neuropsychiatric disorders, including schizophrenia. An additional factor supporting this hypothesis is the association of schizophrenia with DiGeorge syndrome, in which a deletion of a part of one copy of chromosome 22 (22q11DS) leads to haplonephrenia in the Claudin-5 gene (a tight junction protein that forms the BBB). Individuals with 22q11DS have a 25-fold greater risk of schizophrenia than the population average. The aim of our review was to establish the role of tight junction proteins in the pathogenesis of schizophrenia. For this purpose, a systematic literature search was performed. The first part describes genetic polymorphisms of tight junction proteins and studies of patients with DiGeorge syndrome. The second and third parts of the review focus on the expression of tight junction proteins in postmortem samples and serum. The fourth part of the review describes in vitro studies. The fifth part includes animal studies. Mice models with incomplete absence of the Claudin-5 gene have shown specific behavioral and memory impairments. The final part describes the effects of antipsychotics on tight junction proteins and BBB function. The discussed studies support the role of tight junction proteins in the pathogenesis of schizophrenia and the increased permeability of the BBB. However, the number of studies on this topic is extremely small. This review shows the prospects of studying tight junction proteins in psychiatric diseases.

紧密连接蛋白在精神分裂症发病机制中的作用。
血脑屏障(BBB)的完整性对中枢神经系统的稳态至关重要,其组成部分的功能障碍可能导致包括精神分裂症在内的各种神经精神疾病的发病机制。支持这一假设的另一个因素是精神分裂症与迪乔治综合征的关联,其中22号染色体(22q11DS)的一个拷贝的部分缺失导致Claudin-5基因(一种形成血脑屏障的紧密连接蛋白)的单体精神分裂症。患有22q11DS的人患精神分裂症的风险是人口平均水平的25倍。我们回顾的目的是确定紧密连接蛋白在精神分裂症发病机制中的作用。为此,进行了系统的文献检索。第一部分描述了紧密连接蛋白的遗传多态性和迪乔治综合征患者的研究。第二和第三部分的审查重点是紧连接蛋白在死后样品和血清中的表达。综述的第四部分描述了体外研究。第五部分为动物实验。不完全缺失Claudin-5基因的小鼠模型显示出特定的行为和记忆障碍。最后介绍了抗精神病药物对紧密连接蛋白和血脑屏障功能的影响。所讨论的研究支持紧密连接蛋白在精神分裂症发病机制和血脑屏障通透性增加中的作用。然而,关于这一主题的研究数量非常少。本文综述了紧密连接蛋白在精神疾病研究中的前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
8.80
自引率
4.30%
发文量
154
审稿时长
6-12 weeks
期刊介绍: The original papers published in the European Archives of Psychiatry and Clinical Neuroscience deal with all aspects of psychiatry and related clinical neuroscience. Clinical psychiatry, psychopathology, epidemiology as well as brain imaging, neuropathological, neurophysiological, neurochemical and moleculargenetic studies of psychiatric disorders are among the topics covered. Thus both the clinician and the neuroscientist are provided with a handy source of information on important scientific developments.
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