Acid-Sensing Ion Channels in Glial Cells.

Acid-Sensing Ion Channels in Glial Cells.
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神经胶质细胞中的酸敏感离子通道。

DOI:
10.3390/membranes12020119
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发表时间:
2022-01-20
期刊:
影响因子:
4.2
通讯作者:
Chu XP
Chu XP
中科院分区:
工程技术4区
文献类型:
--
作者:
Cegielski V;Chakrabarty R;Ding S;Wacker MJ;Monaghan-Nichols P;Chu XP

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酸性离子通道(ASIC)是质子门控阳离子通道和对神经元损伤反应的关键介体。 ASIC在大脑中表现出独特的分布模式,在神经元中具有高表达,在神经胶质细胞中表达低。尽管神经元中的ASIC有很多关注,但对ASIC在神经胶质细胞中的作用的了解较少。 ASIC1A在星形胶质细胞中表达,可能有助于突触传播和长期增强。在少突胶质细胞中,ASIC1A的构型激活参与脱髓鞘疾病。在小胶质细胞中发现的ASIC1A,ASIC2A和ASIC3可以介导炎症反应。在病理条件下,神经胶质细胞的ASIC失调可能导致疾病状态。例如,星形胶质细胞ASIC1A的激活可能会恶化神经退行性变化和神经胶质瘤分期,小胶质细胞ASIC1A和ASIC2A的激活可能会使缺血和炎症存在,而少突胶质细胞ASIC1A可能参与多发性硬化症。这篇综述集中于每个神经胶质细胞中独特的ASIC成分,并将这些神经胶质特异性ASIC与它们的生理和病理条件相结合。这种知识为靶向单个神经胶质细胞中的ASIC作为一种有希望的证据,作为各种疾病范围的治疗策略。
Acid-sensing ion channels (ASICs) are proton-gated cation channels and key mediators of responses to neuronal injury. ASICs exhibit unique patterns of distribution in the brain, with high expression in neurons and low expression in glial cells. While there has been a lot of focus on ASIC in neurons, less is known about the roles of ASICs in glial cells. ASIC1a is expressed in astrocytes and might contribute to synaptic transmission and long-term potentiation. In oligodendrocytes, constitutive activation of ASIC1a participates in demyelinating diseases. ASIC1a, ASIC2a, and ASIC3, found in microglial cells, could mediate the inflammatory response. Under pathological conditions, ASIC dysregulation in glial cells can contribute to disease states. For example, activation of astrocytic ASIC1a may worsen neurodegeneration and glioma staging, activation of microglial ASIC1a and ASIC2a may perpetuate ischemia and inflammation, while oligodendrocytic ASIC1a might be involved in multiple sclerosis. This review concentrates on the unique ASIC components in each of the glial cells and integrates these glial-specific ASICs with their physiological and pathological conditions. Such knowledge provides promising evidence for targeting of ASICs in individual glial cells as a therapeutic strategy for a diverse range of conditions.
酸性离子通道有助于神经毒性。
DOI: 10.1007/s12975-013-0305-y
发表时间: 2014-03
影响因子: 6.9
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