Satellite Cells, Skeletal MusclePAX7 Transcription FactorMuscle DevelopmentCardiotoxinsCell DifferentiationMyoD ProteinMuscle, SkeletalRegenerationSatellite Cells, PerineuronalMuscle Fibers, SkeletalMyoblastsMyogenic Regulatory Factor 5MusclesDNA, SatelliteCells, CulturedMyogeninStem CellsCell LineageCell ProliferationMice, Inbred mdxPaired Box Transcription FactorsDesminCell DivisionMice, Inbred C57BLSignal TransductionRNA, SatelliteMyoblasts, SkeletalMuscle ProteinsRNA, MessengerGene Expression RegulationCell SeparationHepatocyte Growth FactorImmunohistochemistrySatellite CommunicationsMice, TransgenicMuscle, SmoothUp-RegulationSatellite VirusesTranscription FactorsAgingMuscle, Smooth, VascularGene Expression Regulation, DevelopmentalMuscle ContractionMuscle DenervationMuscle Fibers, Fast-Twitch