Intercellular protein-protein interactions at synapses.

Intercellular protein-protein interactions at synapses.
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突触处的细胞间蛋白质与蛋白质相互作用

DOI:
10.1007/s13238-014-0054-z
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发表时间:
2014-06
期刊:
影响因子:
21.1
通讯作者:
Zhang, Chen
Zhang, Chen
中科院分区:
生物学1区
文献类型:
--
作者:
Yang, Xiaofei;Hou, Dongmei;Jiang, Wei;Zhang, Chen

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化学突触是不对称的细胞间连接,神经元通过它发送神经冲动与其他神经元或可兴奋细胞进行交流。突触在空间和时间上的适当形成对脑功能至关重要,并取决于突触间隙中细胞粘附分子(CAMs)的细胞间蛋白-蛋白相互作用。CAM蛋白连接突触前和突触后位点,在促进突触形成和成熟,维持突触数量和类型,积累神经递质受体和离子通道,控制神经元分化,甚至直接调节突触可塑性等方面发挥重要作用。cam相互作用的改变导致结构和功能损伤,从而导致许多神经系统疾病,如自闭症、阿尔茨海默病和精神分裂症。因此,了解CAMs在发育过程和成熟神经系统中的功能,以及在一些神经系统疾病的发病机制中具有重要意义。在这里,我们回顾了主要类别的CAMs的功能,以及CAMs功能障碍与几种神经系统疾病的关系。
Chemical synapses are asymmetric intercellular junctions through which neurons send nerve impulses to communicate with other neurons or excitable cells. The appropriate formation of synapses, both spatially and temporally, is essential for brain function and depends on the intercellular protein-protein interactions of cell adhesion molecules (CAMs) at synaptic clefts. The CAM proteins link pre- and post-synaptic sites, and play essential roles in promoting synapse formation and maturation, maintaining synapse number and type, accumulating neurotransmitter receptors and ion channels, controlling neuronal differentiation, and even regulating synaptic plasticity directly. Alteration of the interactions of CAMs leads to structural and functional impairments, which results in many neurological disorders, such as autism, Alzheimer’s disease and schizophrenia. Therefore, it is crucial to understand the functions of CAMs during development and in the mature neural system, as well as in the pathogenesis of some neurological disorders. Here, we review the function of the major classes of CAMs, and how dysfunction of CAMs relates to several neurological disorders.
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