Connexin and Pannexin Large-Pore Channels in Microcirculation and Neurovascular Coupling Function.

Connexin and Pannexin Large-Pore Channels in Microcirculation and Neurovascular Coupling Function.
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连接蛋白和泛连接蛋白大孔通道在微循环和神经血管耦联中的作用

DOI:
10.3390/ijms23137303
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发表时间:
2022-06-30
影响因子:
5.6
通讯作者:
--
中科院分区:
生物学2区
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--
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微循环稳态依赖于几个离子和/或小分子可渗透的通道,这些通道促进血管紧张素、高渗透性、血脑屏障和神经血管耦联功能的调节。连接蛋白(Cxs)和泛连接蛋白(Panxs)大孔通道蛋白涉及血管生理学的几个方面。离子的渗透(即,Ca 2+)和关键代谢物(ATP、甘草素、D-丝氨酸等)通过Cx(即,间隙连接通道或半通道)和Panxs蛋白在细胞间通讯和维持血管稳态中起着至关重要的作用。因此,与这些通道相关的失调或遗传病理促进有害的组织后果。本文综述了目前有关微循环(小动脉,毛细血管,小静脉)和神经血管耦合功能的生理作用,这些大孔分子通道的知识。
Microcirculation homeostasis depends on several channels permeable to ions and/or small molecules that facilitate the regulation of the vasomotor tone, hyperpermeability, the blood–brain barrier, and the neurovascular coupling function. Connexin (Cxs) and Pannexin (Panxs) large-pore channel proteins are implicated in several aspects of vascular physiology. The permeation of ions (i.e., Ca2+) and key metabolites (ATP, prostaglandins, D-serine, etc.) through Cxs (i.e., gap junction channels or hemichannels) and Panxs proteins plays a vital role in intercellular communication and maintaining vascular homeostasis. Therefore, dysregulation or genetic pathologies associated with these channels promote deleterious tissue consequences. This review provides an overview of current knowledge concerning the physiological role of these large-pore molecule channels in microcirculation (arterioles, capillaries, venules) and in the neurovascular coupling function.
血管功能和炎症中的Pannexin通道和连接性半通道表达。
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