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Published on: March 20, 2014
P2X receptors mediated abnormal interaction between satellite glial cells and neurons in visceral pathological
Zilin Wang1, Lin Li2,3, Runan Yang2,3
1Undergraduate student of class 156 of Nanchang University Queen Marry University of London Joint programme, Nanchang University, Nanchang, 330006, Jiangxi, People's Republic of China.
Abstract:
The adenosine triphosphate (ATP)-gated P2X receptor cation channel family consists of permeable ligand-gated ion channels that expand on the binding of extracellular adenosine 5'-ATP. ATP-gated P2X receptors are trimer ion channels that assemble homo or isomer from seven cloned subunits. P2X receptors are discovered mostly in mammalian and are being found in an increasing number of non-vertebrates, such as zebrafish, bullfrog, and ameba. P2X receptors are involved in many physiological processes, including regulation of heart rhythm and contractility, and regulation of pain, especially chronic pain and glia integration. This review summarizes the current studies on the regulation of P2X receptors in abnormal neuronal-glial interaction and the pathological changes in viscera, especially in myocardial ischemia.
Insights
Adenosine triphosphate (ATP)-gated P2X receptors are crucial ion channels involved in pain and heart function. This review explores their role in neuronal-glial interactions and visceral pathologies like myocardial ischemia.
Area of Science:
- Neuroscience
- Physiology
- Pharmacology
Background:
- P2X receptors are ligand-gated ion channels activated by extracellular adenosine triphosphate (ATP).
- These trimer channels, assembled from seven subunits, are found in mammals and increasingly in non-vertebrates.
- P2X receptors play vital roles in physiological processes, including cardiac function and pain regulation.
Purpose of the Study:
- To review current research on P2X receptor regulation.
- To examine the involvement of P2X receptors in abnormal neuronal-glial interactions.
- To investigate the role of P2X receptors in visceral pathologies, particularly myocardial ischemia.
Main Methods:
- Literature review of current studies on P2X receptors.
- Analysis of P2X receptor involvement in neuronal-glial signaling.
- Examination of P2X receptor function in visceral disease models.
Main Results:
- P2X receptors are implicated in the regulation of pain, chronic pain, and glial integration.
- Dysregulation of P2X receptors contributes to abnormal neuronal-glial interactions.
- P2X receptor activity is altered in pathological conditions affecting viscera, such as myocardial ischemia.
Conclusions:
- P2X receptors are key players in both normal physiology and disease states.
- Understanding P2X receptor regulation is critical for developing treatments for chronic pain and visceral pathologies.
- Further research into P2X receptors in myocardial ischemia and neuronal-glial interactions is warranted.
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