Gastrointestinal Stromal TumorsSex Cord-Gonadal Stromal TumorsLeydig CellsOvarian NeoplasmsGranulosa Cell TumorSertoli Cell TumorStromal CellsProto-Oncogene Proteins c-kitGastrointestinal NeoplasmsThecomaBenzamidesLeydig Cell TumorPiperazinesPyrimidinesReceptor, Platelet-Derived Growth Factor alphaTumor Markers, BiologicalSpinal CordCalbindin 2Cell Line, TumorTumor BurdenImmunohistochemistryFibrous Dysplasia, MonostoticUterine NeoplasmsTumor Necrosis Factor-alphaNeprilysinAntineoplastic AgentsSpinal Cord InjuriesVimentinGenes, Tumor SuppressorMesenchymomaNeoplasms, ExperimentalCystadenomaEndometrial Stromal TumorsWilms TumorMutationMART-1 AntigenS100 Calcium Binding Protein GCarcinoid TumorNeoplasms, Multiple PrimaryCell ProliferationTumor Suppressor Protein p53Cystadenocarcinoma, SerousTumor MicroenvironmentSarcoma, Endometrial StromalNephroma, MesoblasticNeoplasm MetastasisAdenocarcinomaTomography, X-Ray ComputedCystadenocarcinoma, MucinousSertoli-Leydig Cell TumorNeoplasm ProteinsTestisDuodenal NeoplasmsTumor Suppressor ProteinsRNA, MessengerMitotic IndexNeoplasms, Glandular and EpithelialNeoplasm StagingStomach NeoplasmsReverse Transcriptase Polymerase Chain ReactionOvarian CystsTreatment OutcomePyrrolesDNA, NeoplasmXenograft Model Antitumor AssaysGene Expression Regulation, NeoplasticNeuroendocrine TumorsEpithelioid CellsTestosteroneJejunal NeoplasmsNeovascularization, PathologicPrognosisBrain NeoplasmsSignal TransductionIntestinal NeoplasmsNeoplasms, Connective TissueCystadenoma, SerousIleal NeoplasmsOvaryTransplantation, HeterologousDisease ProgressionPeritoneal NeoplasmsCA-125 AntigenTime FactorsLeiomyosarcomaMammary Neoplasms, ExperimentalMice, NudeCell DivisionRetrospective StudiesCystadenocarcinomaDNA Mutational AnalysisNeoplasmsSarcomaMice, Inbred C57BLAntigens, NeoplasmMice, Inbred BALB CSex FactorsCells, CulturedIndolesBlotting, Western