2011
CaV1.2 Channel N-terminal Splice Variants Modulate Functional Surface Expression in Resistance Size Artery Smooth Muscle Cells*
Bannister J, Thomas-Gatewood C, Neeb Z, Adebiyi A, Cheng X, Jaggar J. CaV1.2 Channel N-terminal Splice Variants Modulate Functional Surface Expression in Resistance Size Artery Smooth Muscle Cells*. Journal Of Biological Chemistry 2011, 286: 15058-15066. PMID: 21357696, PMCID: PMC3083159, DOI: 10.1074/jbc.m110.182816.Peer-Reviewed Original ResearchConceptsArterial smooth muscle cellsSmooth muscle cellsMuscle cellsSurface expressionIntravascular pressureSmooth muscle-specific expressionArtery smooth muscle cellsDepolarization-induced vasoconstrictionHuman cerebral arteriesWhole-cell currentsReduced surface expressionLarge vasodilationCerebral arteryInflux pathwayVariety of stimuliCardiovascular systemFunctional surface expressionVasodilationProximal N-terminusReduced expressionMuscle-specific expressionE1CAuxiliary subunitsKnockdownPhysiological functions
2009
Alternative splicing of Cav1.2 channel exons in smooth muscle cells of resistance-size arteries generates currents with unique electrophysiological properties
Cheng X, Pachuau J, Blaskova E, Asuncion-Chin M, Liu J, Dopico A, Jaggar J. Alternative splicing of Cav1.2 channel exons in smooth muscle cells of resistance-size arteries generates currents with unique electrophysiological properties. AJP Heart And Circulatory Physiology 2009, 297: h680-h688. PMID: 19502562, PMCID: PMC2724194, DOI: 10.1152/ajpheart.00109.2009.Peer-Reviewed Original ResearchAlternative SplicingAmino Acid SequenceAnimalsBase SequenceCalcium Channels, L-TypeCells, CulturedCerebral ArteriesCerebrovascular CirculationExonsMolecular Sequence DataMuscle, Smooth, VascularMyocytes, Smooth MusclePatch-Clamp TechniquesProtein Structure, TertiaryRatsRats, Sprague-DawleyVascular Resistance
2006
Genetic ablation of caveolin-1 modifies Ca2+ spark coupling in murine arterial smooth muscle cells
Cheng X, Jaggar J. Genetic ablation of caveolin-1 modifies Ca2+ spark coupling in murine arterial smooth muscle cells. AJP Heart And Circulatory Physiology 2006, 290: h2309-h2319. PMID: 16428350, PMCID: PMC1698957, DOI: 10.1152/ajpheart.01226.2005.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBariumCadmiumCalcium SignalingCaveolin 1ElectrophysiologyEnzyme InhibitorsFluorescent DyesFura-2IndolesMiceMice, KnockoutMicroscopy, ConfocalMicroscopy, ElectronMuscle, Smooth, VascularMyocytes, Smooth MuscleNitroargininePatch-Clamp TechniquesRyanodine Receptor Calcium Release ChannelConceptsCerebral artery smooth muscle cellsSmooth muscle cellsArtery smooth muscle cellsMuscle cellsMurine arterial smooth muscle cellsGenetic ablationNitric oxide synthase activityVoltage-dependent calcium channelsArterial smooth muscle cellsOxide synthase activitySmooth muscle contractilityChannel blockersMuscle contractilityCalcium channelsCav-1-deficient cellsSpark regulationL-typeElevated intracellularSpark frequencyPotassium channelsSarcoplasmic reticulumCurrent activationCav-1Control cellsRelease channel
2002
Carbon Monoxide Dilates Cerebral Arterioles by Enhancing the Coupling of Ca2+ Sparks to Ca2+-Activated K+ Channels
Jaggar J, Leffler C, Cheranov S, Tcheranova D, E S, Cheng X. Carbon Monoxide Dilates Cerebral Arterioles by Enhancing the Coupling of Ca2+ Sparks to Ca2+-Activated K+ Channels. Circulation Research 2002, 91: 610-617. PMID: 12364389, DOI: 10.1161/01.res.0000036900.76780.95.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArteriolesCalcium Channel BlockersCalcium SignalingCarbon MonoxideCells, CulturedCerebral ArteriesCulture TechniquesElectric ConductivityHemeKineticsLysineMuscle, Smooth, VascularPotassium Channels, Calcium-ActivatedRyanodineRyanodine Receptor Calcium Release ChannelSignal TransductionSwineVasodilationVasodilator AgentsConceptsCerebral arteriolesArteriole smooth muscle cellsRelease channel blockerSmooth muscle cellsLarge-conductance Ca2Ryanodine-sensitive Ca2Enzyme heme oxygenasePial arteriolesCerebral circulationChannel blockersCoupling of Ca2Cellular signaling mechanismsPotent effectsArteriolesMuscle cellsHeme oxygenaseVasodilatorsPotent activatorControl conditionDilationPresent studySignaling mechanismCa2Source of controversyPercentage of Ca2Effect of Zinc Ions on Caffeine-Induced Contracture in Vascular Smooth Muscle and Skeletal Mu-scle of Rat
Cheng X, Chen K, Zhang X, Zhu P. Effect of Zinc Ions on Caffeine-Induced Contracture in Vascular Smooth Muscle and Skeletal Mu-scle of Rat. Cellular Physiology And Biochemistry 2002, 12: 119-126. PMID: 12077557, DOI: 10.1159/000063788.Peer-Reviewed Original ResearchConceptsVascular smooth muscleSmooth muscleCaffeine contractureCaffeine exposureSkeletal muscleCaffeine-induced contracturesDose-dependent mannerAortic stripsContractureIntracellular Ca2MuscleActivation dependenceMin intervalsRatsCaffeine concentrationsDepressionExposureMicroMPossible mechanismPotentiationSmall bundles