Pathophysiological role of omega pore current in channelopathies

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Pathophysiological role of omega pore current in channelopathies is …
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scholarly articleQ13442814

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P356DOI10.3389/FPHAR.2012.00112
P8608Fatcat IDrelease_te3ax4ewp5grllicosgbdc4bby
P932PMC publication ID3372090
P698PubMed publication ID22701429
P5875ResearchGate publication ID225376534

P50authorKarin Jurkat-RottQ40401064
P2093author name stringFrank Lehmann-Horn
James Groome
P2860cites workGating of the L-type Ca channel in human skeletal myotubes: an activation defect caused by the hypokalemic periodic paralysis mutation R528HQ22008539
Mutations of SCN1A, encoding a neuronal sodium channel, in two families with GEFS+2Q22253421
Mutations in Kir2.1 cause the developmental and episodic electrical phenotypes of Andersen's syndromeQ24291252
Mutations in potassium channel Kir2.6 cause susceptibility to thyrotoxic hypokalemic periodic paralysisQ24295040
Human sodium channel myotonia: slowed channel inactivation due to substitutions for a glycine within the III-IV linkerQ24529156
Myokymia and neonatal epilepsy caused by a mutation in the voltage sensor of the KCNQ2 K+ channelQ24555140
Noninactivating voltage-gated sodium channels in severe myoclonic epilepsy of infancyQ24563329
Single-channel properties of human NaV1.1 and mechanism of channel dysfunction in SCN1A-associated epilepsyQ24684695
Functional consequences of mutations in the human alpha1A calcium channel subunit linked to familial hemiplegic migraineQ28137616
Detection of a novel missense mutation and second recurrent mutation in the CACNA1A gene in individuals with EA-2 and FHMQ28138735
Three new familial hemiplegic migraine mutants affect P/Q-type Ca(2+) channel kineticsQ28139662
A new CACNA1A gene mutation in acetazolamide-responsive familial hemiplegic migraine and ataxiaQ28139793
Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A, KCNE1, and KCNE2Q28145423
Effects of mutations causing hypokalaemic periodic paralysis on the skeletal muscle L-type Ca2+ channel expressed in Xenopus laevis oocytesQ48907500
Long QT syndrome-associated mutations in the S4-S5 linker of KvLQT1 potassium channels modify gating and interaction with minK subunitsQ48912988
Differential effects of homologous S4 mutations in human skeletal muscle sodium channels on deactivation gating from open and inactivated statesQ48921021
A de novo missense mutation of human cardiac Na+ channel exhibiting novel molecular mechanisms of long QT syndromeQ48944651
Multiple mechanisms of Na+ channel--linked long-QT syndromeQ49013113
Insulin-induced membrane changes in K(+)-depleted rat skeletal muscle.Q51661740
Acute striatal necrosis in hemiplegic migraine with de novo CACNA1A mutation.Q51847506
Modelling action potentials and membrane currents of mammalian skeletal muscle fibres in coherence with potassium concentration changes in the T-tubular system.Q52210127
Paradoxical depolarization of BA2+- treated muscle exposed to low extracellular K+: insights into resting potential abnormalities in hypokalemic paralysis.Q53556880
A novel sodium channel mutation in a family with hypokalemic periodic paralysisQ55670198
Gating Properties of SCN5A Mutations and the Response to Mexiletine in Long-QT Syndrome Type 3 PatientsQ62919317
Early onset of hypokalaemic periodic paralysis caused by a novel mutation of the CACNA1S gene.Q64883964
Membrane defects in paramyotonia congenita (Eulenburg)Q69406285
Altered calcium currents in human hypokalemic periodic paralysis myotubes expressing mutant L-type calcium channelsQ72062720
Insulin acts in hypokalemic periodic paralysis by reducing inward rectifier K+ currentQ73114370
Novel mutations in KvLQT1 that affect Iks activation through interactions with IskQ73573721
A defect in skeletal muscle sodium channel deactivation exacerbates hyperexcitability in human paramyotonia congenitaQ74315934
Sodium channel gene mutations in hypokalemic periodic paralysis: an uncommon cause in the UKQ74601954
A de novo missense mutation (R1623Q) of the SCN5A gene in a Japanese girl with sporadic long QT sydrome. Mutations in brief no. 140. OnlineQ77313509
Gating defects of a novel Na+ channel mutant causing hypokalemic periodic paralysisQ80062919
Homozygous SCN5A mutation in Brugada syndrome with monomorphic ventricular tachycardia and structural heart abnormalitiesQ80178014
Both hypokalaemic and normokalaemic periodic paralysis in different members of a single family with novel R1129Q mutation in SCN4A geneQ84352438
3 Tesla sodium inversion recovery magnetic resonance imaging allows for improved visualization of intracellular sodium content changes in muscular channelopathiesQ84547980
Gating pore current in an inherited ion channelopathyQ48799799
Voltage-shift of the current activation in HERG S4 mutation (R534C) in LQT2.Q48897833
Functional effects of two voltage-gated sodium channel mutations that cause generalized epilepsy with febrile seizures plus type 2Q28188391
Epilepsy-associated dysfunction in the voltage-gated neuronal sodium channel SCN1AQ28191292
The clinical spectrum of familial hemiplegic migraine associated with mutations in a neuronal calcium channelQ28204946
Mutations in an S4 segment of the adult skeletal muscle sodium channel cause paramyotonia congenitaQ28210343
A calcium channel mutation causing hypokalemic periodic paralysisQ28242375
Dihydropyridine receptor mutations cause hypokalemic periodic paralysisQ28243593
A Cacna1a knockin migraine mouse model with increased susceptibility to cortical spreading depressionQ28248603
A novel R1347Q mutation in the predicted voltage sensor segment of the P/Q-type calcium-channel alpha-subunit in a family with progressive cerebellar ataxia and hemiplegic migraineQ28251552
A novel SCN4A mutation causing myotonia aggravated by cold and potassiumQ28256356
Familial hemiplegic migraine mutations change alpha1A Ca2+ channel kineticsQ28263620
Paramyotonia congenita: the R1448P Na+ channel mutation in adult human skeletal muscleQ28277370
Early onset, non fluctuating spinocerebellar ataxia and a novel missense mutation in CACNA1A geneQ28284955
Familial hemiplegic migraine and episodic ataxia type-2 are caused by mutations in the Ca2+ channel gene CACNL1A4Q28295213
An epilepsy mutation in the sodium channel SCN1A that decreases channel excitabilityQ28300929
The Genotype and Clinical Phenotype of Korean Patients with Familial Hypokalemic Periodic ParalysisQ29398134
Altered function of the SCN1A voltage-gated sodium channel leads to gamma-aminobutyric acid-ergic (GABAergic) interneuron abnormalitiesQ30493834
Decreased hemispheric water mobility in hemiplegic migraine related to mutation of CACNA1A geneQ30586527
Serial MRI in a case of familial hemiplegic migraineQ30782476
From swelling to sclerosis: acute change in mesial hippocampus after prolonged febrile seizureQ30796543
Genomic organization and mutational analysis of HERG, a gene responsible for familial long QT syndromeQ32062885
Long QT syndrome in neonates: conduction disorders associated with HERG mutations and sinus bradycardia with KCNQ1 mutationsQ33151146
Spectrum of pathogenic mutations and associated polymorphisms in a cohort of 44 unrelated patients with long QT syndromeQ33154175
Clinical Diversity of SCN4A-Mutation-Associated Skeletal Muscle Sodium ChannelopathyQ33590751
Voltage-gated ion channels and hereditary diseaseQ33744648
Voltage sensor charge loss accounts for most cases of hypokalemic periodic paralysisQ33763782
Ion permeation and block of the gating pore in the voltage sensor of NaV1.4 channels with hypokalemic periodic paralysis mutationsQ34028248
Ion Channel Voltage Sensors: Structure, Function, and PathophysiologyQ34139997
Mutations in a dominant-negative isoform correlate with phenotype in inherited cardiac arrhythmiasQ34389321
Leaky sodium channels from voltage sensor mutations in periodic paralysis, but not paramyotoniaQ34999202
Recent advances in the pathogenesis and drug action in periodic paralyses and related channelopathiesQ35025840
Identification and functional characterization of Kir2.6 mutations associated with non-familial hypokalemic periodic paralysis.Q35144896
Voltage-sensor sodium channel mutations cause hypokalemic periodic paralysis type 2 by enhanced inactivation and reduced currentQ35208537
A sodium channel knockin mutant (NaV1.4-R669H) mouse model of hypokalemic periodic paralysisQ35370222
Gating currents from Kv7 channels carrying neuronal hyperexcitability mutations in the voltage-sensing domain.Q35843838
Sodium channel mutations in paramyotonia congenita exhibit similar biophysical phenotypes in vitroQ36004026
A Na+ channel mutation linked to hypokalemic periodic paralysis exposes a proton-selective gating poreQ36299707
Histidine scanning mutagenesis of basic residues of the S4 segment of the shaker k+ channelQ36444662
Gating pore currents in DIIS4 mutations of NaV1.4 associated with periodic paralysis: saturation of ion flux and implications for disease pathogenesisQ36908941
R231C mutation in KCNQ1 causes long QT syndrome type 1 and familial atrial fibrillationQ36996166
Depolarization-activated gating pore current conducted by mutant sodium channels in potassium-sensitive normokalemic periodic paralysisQ37018940
Nervous system KV7 disorders: breakdown of a subthreshold brakeQ37073177
K+-dependent paradoxical membrane depolarization and Na+ overload, major and reversible contributors to weakness by ion channel leaksQ37102151
Translational research in epilepsy genetics: sodium channels in man to interneuronopathy in mouseQ37367148
Muscle channelopathies: does the predicted channel gating pore offer new treatment insights for hypokalaemic periodic paralysis?Q37685726
Voltage-sensor mutations in channelopathies of skeletal muscleQ37692699
NaV1.1 channels and epilepsyQ37701079
Sodium channelopathies of skeletal muscle result from gain or loss of functionQ37711046
Sodium channel SCN1A and epilepsy: mutations and mechanismsQ37787324
Sporadic and familial hemiplegic migraine: pathophysiological mechanisms, clinical characteristics, diagnosis, and managementQ37860502
Insights into pathophysiology and therapy from a mouse model of Dravet syndromeQ37861266
Acute drug administration in epilepsy: a reviewQ37939359
Gating of the HypoPP-1 mutations: I. Mutant-specific effects and cooperativityQ40164179
Impaired inactivation gate stabilization predicts increased persistent current for an epilepsy-associated SCN1A mutation.Q40275732
Compound heterozygosity for mutations (W156X and R225W) in SCN5A associated with severe cardiac conduction disturbances and degenerative changes in the conduction systemQ40672037
Enhanced inactivation and pH sensitivity of Na(+) channel mutations causing hypokalaemic periodic paralysis type II.Q40742646
Sodium channel inactivation defects are associated with acetazolamide-exacerbated hypokalemic periodic paralysisQ40780362
A sodium channel mutation causing epilepsy in man exhibits subtle defects in fast inactivation and activation in vitroQ40837265
The human skeletal muscle Na channel mutation R669H associated with hypokalemic periodic paralysis enhances slow inactivation.Q40907023
Mutant channels contribute <50% to Na+ current in paramyotonia congenita muscleQ40950898
Calcium currents and transients of native and heterologously expressed mutant skeletal muscle DHP receptor alpha1 subunits (R528H)Q41057145
Ranolazine selectively blocks persistent current evoked by epilepsy‐associated NaV1.1 mutationsQ41121995
Two human paramyotonia congenita mutations have opposite effects on lidocaine block of Na+ channels expressed in a mammalian cell lineQ41161442
Electrophysiological properties of the hypokalaemic periodic paralysis mutation (R528H) of the skeletal muscle alpha 1s subunit as expressed in mouse L cells.Q41215041
Double gaps along Shaker S4 demonstrate omega currents at three different closed statesQ42642727
The biophysical and pharmacological characteristics of skeletal muscle ATP-sensitive K+ channels are modified in K+-depleted rat, an animal model of hypokalemic periodic paralysisQ42680605
Do hyperpolarization-induced proton currents contribute to the pathogenesis of hypokalemic periodic paralysis, a voltage sensor channelopathy?Q42868384
A proton pore in a potassium channel voltage sensor reveals a focused electric fieldQ44757373
Acetazolamide Prophylaxis in Hypokalemic Periodic ParalysisQ44944724
New mutations of SCN4A cause a potassium-sensitive normokalemic periodic paralysisQ45185824
Voltage-sensing arginines in a potassium channel permeate and occlude cation-selective poresQ45252796
Voltage-dependent proton transport by the voltage sensor of the Shaker K+ channel.Q46015095
The construction and preliminary investigation of the cell model of a novel mutation R675Q in the SCN4A gene identified in a Chinese family with normokalemic periodic paralysisQ46209058
Ion permeation through a voltage- sensitive gating pore in brain sodium channels having voltage sensor mutationsQ46615032
What causes paramyotonia in the United Kingdom? Common and new SCN4A mutations revealedQ46827317
Four potassium channel mutations account for 73% of the genetic spectrum underlying long-QT syndrome (LQTS) and provide evidence for a strong founder effect in FinlandQ47398470
Hippocampal abnormalities after prolonged febrile convulsion: a longitudinal MRI studyQ47668145
3D radial projection technique with ultrashort echo times for sodium MRI: clinical applications in human brain and skeletal muscle.Q48326797
Prolonged febrile seizures are associated with hippocampal vasogenic edema and developmental changesQ48418963
Implication of augmented vasogenic leakage in the mechanism of persistent aura in sporadic hemiplegic migraineQ48653787
Impaired stretch modulation in potentially lethal cardiac sodium channel mutantsQ48706868
Peripheral nerve hyperexcitability due to dominant-negative KCNQ2 mutationsQ48782947
P921main subjectpathophysiologyQ1135939
P304page(s)112
P577publication date2012-06-11
P1433published inFrontiers in PharmacologyQ2681208
P1476titlePathophysiological role of omega pore current in channelopathies
P478volume3