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