期刊
JOURNAL OF NEUROCHEMISTRY
卷 154, 期 5, 页码 468-485出版社
WILEY
DOI: 10.1111/jnc.15004
关键词
chronic pain; epileptic seizure; gliotransmitter; ischaemic stroke; neural stem cell; synaptic plasticity
资金
- CIHR [MOP-125901]
- NSERC [RGPIN-05477-2017]
- CIHR through the Max Rady College of Medicine M.D./M.Sc. studentship
- Research Manitoba [2993, 3563]
- McCrorie-West Family Fellowship for Alzheimer Research through the University of Manitoba
Pannexin-1 (Panx1) is a large pore membrane channel with unique conduction properties ranging from non-selective ion permeability to the extracellular release of signalling molecules. The release of ATP by Panx1 has been particularly well-characterized with implications in purine signalling across a variety of biological contexts. Panx1 activity is also important in inflammasome formation and the secretion of pro-inflammatory molecules such as interleukin-1 beta. Within the central nervous system (CNS), Panx1 is expressed on both neurons and glia, and is thought to mediate crosstalk between these cells. A growing body of literature now supports the pathological activity of Panx1 in contributing to disease processes including seizure, stroke, migraine headache and chronic pain. Emerging evidence also reveals a physiological function of Panx1 in regulating neural stem cell survival, neuronal maturation and synaptic plasticity, with possible relevance to normal cognitive functioning. The aim of this review is to summarize the current evidence regarding the roles of Panx1 in the CNS, with emphasis on how putative signalling properties and activation mechanisms of this channel contribute to various physiological and pathophysiological processes.
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