Molecular Physiology of pH-Sensitive Background K2P Channels

被引:74
作者
Lesage, Florian [1 ,2 ]
Barhanin, Jacques [2 ]
机构
[1] CNRS, Inst Pharmacol Mol & Cellulaire, Unite Mixte Rech 6097, F-06560 Valbonne, France
[2] Univ Nice Sophia Antipolis, UFR Sci, Nice, France
关键词
DOMAIN POTASSIUM CHANNEL; POLYUNSATURATED FATTY-ACIDS; UNION-OF-PHARMACOLOGY; ARTERY SMOOTH-MUSCLE; K+ CHANNEL; 2-PORE DOMAIN; TASK CHANNELS; EXTRACELLULAR HISTIDINE; FUNCTIONAL EXPRESSION; INDUCED INHIBITION;
D O I
10.1152/physiol.00029.2011
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
Background K-2P channels are tightly regulated by different stimuli including variations of external and internal pH. pH sensitivity relies on proton-sensing residues that influence channel gating and activity. Gene inactivation in the mouse is a revealing implication of K-2P channels in many physiological functions ranging from hormone secretion to central respiratory adaptation. Surprisingly, only a few phenotypic traits of these mice have yet been directly related to the pH sensitivity of K-2P channels.
引用
收藏
页码:424 / 437
页数:14
相关论文
共 113 条
[11]   Polyunsaturated fatty acids are cerebral vasodilators via the TREK-1 potassium channel [J].
Blondeau, Nicolas ;
Petrault, Olivier ;
Manta, Stella ;
Giordanengo, Valerie ;
Gounon, Pierre ;
Bordet, Regis ;
Lazdunski, Michel ;
Heurteaux, Catherine .
CIRCULATION RESEARCH, 2007, 101 (02) :176-184
[12]   TASK-3 two-pore domain potassium channels enable sustained high-frequency firing in cerebellar granule neurons [J].
Brickley, Stephen G. ;
Aller, M. Isabel ;
Sandu, Cristina ;
Veale, Emma L. ;
Alder, Felicity G. ;
Sambi, Harvinder ;
Mathie, Alistair ;
Wisden, William .
JOURNAL OF NEUROSCIENCE, 2007, 27 (35) :9329-9340
[13]   TASK-like potassium channels and oxygen sensing in the carotid body [J].
Buckler, Keith J. .
RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY, 2007, 157 (01) :55-64
[14]   An oxygen-, acid- and anaesthetic-sensitive TASK-like background potassium channel in rat arterial chemoreceptor cells [J].
Buckler, KJ ;
Williams, BA ;
Honore, E .
JOURNAL OF PHYSIOLOGY-LONDON, 2000, 525 (01) :135-142
[15]   Glucose-induced inhibition: how many ionic mechanisms? [J].
Burdakov, D. ;
Lesage, F. .
ACTA PHYSIOLOGICA, 2010, 198 (03) :295-301
[16]   Tandem-pore K+ channels mediate inhibition of orexin neurons by glucose [J].
Burdakov, Denis ;
Jensen, Lise T. ;
Alexopoulos, Haris ;
Williams, Rhiannan H. ;
Fearon, Ian M. ;
O'Kelly, Ita ;
Gerasimenko, Oleg ;
Fugger, Lars ;
Verkhratsky, Alexei .
NEURON, 2006, 50 (05) :711-722
[17]   MGlu4 potentiation of K2P2.1 is dependant on C-terminal dephosphorylation [J].
Cain, Stuart M. ;
Meadows, Helen J. ;
Dunlop, John ;
Bushell, Trevor J. .
MOLECULAR AND CELLULAR NEUROSCIENCE, 2008, 37 (01) :32-39
[18]   TWIK-2, a new weak inward rectifying member of the tandem pore domain potassium channel family [J].
Chavez, RA ;
Gray, AT ;
Zhao, BB ;
Kindler, CH ;
Mazurek, MJ ;
Mehta, Y ;
Forsayeth, JR ;
Yost, CS .
JOURNAL OF BIOLOGICAL CHEMISTRY, 1999, 274 (12) :7887-7892
[19]   Mechanisms underlying excitatory effects of group I metabotropic glutamate receptors via inhibition of 2P domain K+ channels [J].
Chemin, J ;
Girard, C ;
Duprat, F ;
Lesage, F ;
Romey, G ;
Lazdunski, M .
EMBO JOURNAL, 2003, 22 (20) :5403-5411
[20]  
Chen Maida Lynn, 2004, Paediatr Respir Rev, V5, P182, DOI 10.1016/j.prrv.2004.04.009