Acid-sensing Ion Channels in Malignant Gliomas
نویسندگان
چکیده
منابع مشابه
Acid-Sensing Ion Channels
Acetylcholine is a neurotransmitter synthesized from choline and acetyl coenzyme A. It is localized in large reticular formation neurons, and is the chemical mediator in the synapse of a motor endplate. The electrical signal of the motor nerve terminal causes release of many packets of acetylcholine. The packets are released into the synaptic cleft, where receptors in the postjunctional membran...
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Gastric acid is of paramount importance for digestion and protection from pathogens but, at the same time, is a threat to the integrity of the mucosa in the upper gastrointestinal tract and may give rise to pain if inflammation or ulceration ensues. Luminal acidity in the colon is determined by lactate production and microbial transformation of carbohydrates to short chain fatty acids as well a...
متن کاملAcid-sensing ion channels in postoperative pain.
Iatrogenic pain consecutive to a large number of surgical procedures has become a growing health concern. The etiology and pathophysiology of postoperative pain are still poorly understood, but hydrogen ions appear to be important in this process. We have investigated the role of peripheral acid-sensing ion channels (ASICs), which form depolarizing channels activated by extracellular protons, i...
متن کاملAcid-Sensing Ion Channels: Structure and Function
The ASIC channels constitute a subfamily within the larger ENaC superfamily. Despite the fact that the ASICs share only about 20-25% identity with the ENaC channels they display all the characteristics of the superfamily, which are, two transmembrane spanning domains, a large extracellular domain and short intracellular N and C termini. The functional channel of the superfamily is composed of 4...
متن کاملAcid-Sensing Ion Channels and Pain
Pathophysiological conditions such as inflammation, ischemia, infection and tissue injury can all evoke pain, and each is accompanied by local acidosis. Acid sensing ion channels (ASICs) are proton-gated cation channels expressed in both central and peripheral nervous systems. Increasing evidence suggests that ASICs represent essential sensors for tissue acidosis-related pain. This review provi...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2003
ISSN: 0021-9258
DOI: 10.1074/jbc.m300991200