FibroblastsTumor MicroenvironmentStromal CellsCoculture TechniquesParacrine CommunicationCarcinoma, Pancreatic DuctalBreastCell Line, TumorCarcinomaMyofibroblastsNeoplasm InvasivenessEpithelial-Mesenchymal TransitionBreast NeoplasmsTranscriptomeGene Expression Regulation, NeoplasticCell MovementCell Transformation, NeoplasticCulture Media, ConditionedCell CommunicationTumor Markers, BiologicalTransplantation, HeterologousGene Expression ProfilingPancreatic NeoplasmsEpithelial CellsCell SeparationMice, SCIDCarcinoma, Ductal, BreastNeoplasmsCell ProliferationTumor Cells, CulturedLung NeoplasmsImmunoenzyme TechniquesActinsDisease ProgressionReal-Time Polymerase Chain ReactionCarcinoma, Squamous CellNeoplasm TransplantationAntineoplastic AgentsUp-RegulationBlotting, WesternReverse Transcriptase Polymerase Chain ReactionProstatic NeoplasmsCells, CulturedOligonucleotide Array Sequence AnalysisSignal TransductionDrug Resistance, NeoplasmFluorescent Antibody TechniqueCell AdhesionDown-RegulationFlow CytometryPhenotypeImmunohistochemistryCytokinesModels, BiologicalRNA, Messenger