MyogeninMyoD ProteinCell CycleCell Cycle ProteinsMyogenic Regulatory Factor 5Myogenic Regulatory FactorsMuscle DevelopmentCell Cycle CheckpointsMyoblastsMuscle ProteinsCell DifferentiationMuscle, SkeletalG1 PhaseMusclesDNA-Binding ProteinsCell LineCyclinsCell DivisionTranscription FactorsS PhaseMitosisHelix-Loop-Helix MotifsTranscription Factor 7-Like 1 ProteinMolecular Sequence DataMEF2 Transcription FactorsGene Expression RegulationCyclin-Dependent Kinase Inhibitor p21Base SequenceMenstrual CycleSatellite Cells, Skeletal MuscleMyoblasts, SkeletalG2 PhaseCell ProliferationRNA, MessengerTranscription, GeneticNuclear ProteinsGene Expression Regulation, DevelopmentalApoptosisRetinoblastoma ProteinCells, CulturedPromoter Regions, GeneticCyclin-Dependent Kinase Inhibitor p27Rhabdomyosarcoma, EmbryonalTrans-ActivatorsG2 Phase Cell Cycle CheckpointsTransfectionRhabdomyosarcomaDNACell NucleusPhosphorylationMuscle Fibers, SkeletalG0 PhaseProtein-Serine-Threonine KinasesTCF Transcription FactorsInhibitor of Differentiation Protein 1Signal TransductionCDC2 Protein KinasePAX7 Transcription FactorCell Line, TumorDesminCyclin-Dependent Kinase 2Amino Acid SequenceGene ExpressionMutationG1 Phase Cell Cycle CheckpointsTumor Suppressor Protein p53Cyclin D1Time FactorsRhabdomyosarcoma, AlveolarMuscle DenervationDNA ReplicationCyclin EGenes, cdcDNA DamageCyclin-Dependent Kinase 4Blotting, WesternCyclin BMyosin Heavy ChainsProtein BindingCyclin AInterphaseModels, BiologicalDown-RegulationTranscriptional ActivationTumor Cells, CulturedFlow CytometryRegenerationCDC2-CDC28 KinasesHeLa CellsRepressor ProteinsTumor Suppressor ProteinsFibroblastsMyostatinE-Box ElementsImmunohistochemistryRecombinant Fusion ProteinsEstrous Cyclecdc25 PhosphatasesE2F Transcription FactorsReverse Transcriptase Polymerase Chain Reaction