Reverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionRNA, MessengerBase SequenceMolecular Sequence DataHIV Reverse TranscriptaseDNA PrimersRNA-Directed DNA PolymeraseGene ExpressionReverse Transcriptase InhibitorsSensitivity and SpecificityAmino Acid SequenceDNA, ComplementaryNeoplastic Cells, CirculatingRNA, NeoplasmImmunohistochemistryReal-Time Polymerase Chain ReactionTranscription, GeneticCells, CulturedGene Expression ProfilingRNA, ViralIn Situ HybridizationCloning, MolecularBlotting, SouthernGlyceraldehyde 3-Phosphate Dehydrogenase (NADP+)Rhabdomyosarcoma, EmbryonalDNA-Directed DNA PolymeraseBlotting, WesternNeoplasm ProteinsEncephalomyelitis, Western EquineGene Expression Regulation, NeoplasticGene Expression RegulationMonophenol MonooxygenaseRhabdomyosarcoma, AlveolarTumor Cells, CulturedDNAMutationUp-RegulationTumor Markers, BiologicalCell LineRNASequence Analysis, DNATranslocation, GeneticBlotting, NorthernExonsOncogene Proteins, FusionOligonucleotide Array Sequence AnalysisDNA, ViralNeoplasm, ResidualRNA Polymerase IIGenotypeTissue DistributionTime FactorsDNA-Binding ProteinsPrognosisImmunoenzyme TechniquesFlow CytometryPhylogenySequence Homology, Nucleic AcidSequence Homology, Amino AcidEnzyme-Linked Immunosorbent AssayRats, Sprague-DawleySequence AlignmentCell Line, TumorMelanomaRecombinant ProteinsSarcoma, SynovialTransfectionTranscription FactorsGene RearrangementDNA, NeoplasmBiopsyBone MarrowPromoter Regions, GeneticTemplates, GeneticDNA, BacterialSarcoma, EwingOligodeoxyribonucleotidesGene Expression Regulation, EnzymologicKeratinsDown-RegulationIn Situ Hybridization, FluorescenceLiverAlternative SplicingPhenotypeDNA-Directed RNA PolymerasesCattleCytokinesHIV-1Cell ProliferationOligonucleotides, AntisenseTelomeraseMice, Inbred C57BLGene Expression Regulation, DevelopmentalOligonucleotide ProbesDNA Polymerase ISkin NeoplasmsAntigens, NeoplasmTransforming Growth Factor betaCase-Control Studies