The Thumb Domain Mediates Acid-sensing Ion Channel Desensitization
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چکیده
منابع مشابه
A Conformation Change in the Extracellular Domain that Accompanies Desensitization of Acid - sensing Ion Channel
Acid-sensing ion channels (ASICs) are thought to trigger some forms of acid-induced pain and taste, and to contribute to stroke-induced neural damage. After activation by low extracellular pH, different ASICs undergo desensitization on time scales from 0.1 to 10 s. Consistent with a substantial conformation change, desensitization slows dramatically when temperature drops (Askwith, C.C., C.J. B...
متن کاملA Conformation Change in the Extracellular Domain that Accompanies Desensitization of Acid - sensing Ion Channel ( ASIC ) 3 Kenneth
Acid-sensing ion channels (ASICs) are thought to trigger some forms of acid-induced pain and taste, and to contribute to stroke-induced neural damage. After activation by low extracellular pH, different ASICs undergo desensitization on time scales from 0.1 to 10 s. Consistent with a substantial conformation change, desensitization slows dramatically when temperature drops (Askwith, C.C., C.J. B...
متن کاملA Conformation Change in the Extracellular Domain that Accompanies Desensitization of Acid-sensing Ion Channel (ASIC) 3
Acid-sensing ion channels (ASICs) are thought to trigger some forms of acid-induced pain and taste, and to contribute to stroke-induced neural damage. After activation by low extracellular pH, different ASICs undergo desensitization on time scales from 0.1 to 10 s. Consistent with a substantial conformation change, desensitization slows dramatically when temperature drops (Askwith, C.C., C.J. B...
متن کاملExtracellular chloride modulates the desensitization kinetics of acid-sensing ion channel 1a (ASIC1a).
Acid-sensing ion channels (ASICs) are sodium channels gated by extracellular protons. The recent crystallization of ASIC1a identified potential binding sites for Cl(-) in the extracellular domain that are highly conserved between ASIC isoforms. However, the significance of Cl(-) binding is unknown. We investigated the effect of Cl(-) substitution on heterologously expressed ASIC1a current and H...
متن کاملTrypsin cleaves acid-sensing ion channel 1a in a domain that is critical for channel gating.
Acid-sensing ion channels (ASICs) are neuronal Na(+) channels that are members of the epithelial Na(+) channel/degenerin family and are transiently activated by extracellular acidification. ASICs in the central nervous system have a modulatory role in synaptic transmission and are involved in cell injury induced by acidosis. We have recently demonstrated that ASIC function is regulated by serin...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2016
ISSN: 0021-9258
DOI: 10.1074/jbc.m115.702316