Muscle, Smooth, VascularMuscle, SmoothMyocytes, Smooth MusclePursuit, SmoothMuscle ContractionCells, CulturedAortaTracheaSmooth Muscle MyosinsEndoplasmic Reticulum, SmoothCalciumAorta, ThoracicRabbitsGuinea PigsActinsRats, Sprague-DawleyPlatelet-Derived Growth FactorArteriesPulmonary ArteryGizzardRNA, MessengerCell DivisionVasoconstrictionEndothelium, VascularMyosinsDose-Response Relationship, DrugBronchiSignal TransductionMyosin-Light-Chain KinaseUrinary BladderProto-Oncogene Proteins c-sisTunica IntimaEnzyme InhibitorsMyosin Light ChainsPhosphorylationMuscle TonusCarotid Artery InjuriesMesenteric ArteriesPotassium ChlorideAcetylcholineMuscle ProteinsMembrane PotentialsCarbacholCoronary VesselsImmunohistochemistryAngiotensin IIVasoconstrictor AgentsSwineHyperplasiaCalmodulin-Binding ProteinsCell MovementSmooth Muscle TumorCyclic GMPNitric OxideTime FactorsCell ProliferationCattleMyosin-Light-Chain PhosphataseRats, Inbred WKYRats, Wistarrho-Associated KinasesMyoblasts, Smooth MuscleGene Expression RegulationMyometriumDogsDesminVasodilationVasodilator AgentsCalcium SignalingIsometric ContractionBlotting, WesternIleumPhenylephrineChickensPenisNorepinephrineHypertrophyPotassiumEscinMolecular Sequence DataCalcium Channel BlockersNeointimaEndothelin-1HistamineColonEnzyme ActivationGene ExpressionBlood VesselsCell DifferentiationRespiratory SystemPotassium ChannelsMyosin Heavy ChainsCyclic GMP-Dependent Protein KinasesNifedipineCaffeineKineticsProtein Kinase CCalcium ChannelsPhenotypeSerum Response Factor