MutationDNA Mutational Analysisras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinGTPase-Activating ProteinsProto-Oncogene Proteins p21(ras)GTP PhosphohydrolasesNeurofibromin 1Point MutationMutation, MissenseGenes, rasProteinsMolecular Sequence DataAmino Acid SequenceSignal TransductionFrameshift MutationGerm-Line MutationCell Line, TumorTumor Markers, BiologicalOncogene Protein p21(ras)Tumor Necrosis Factor-alphaTumor BurdenBase SequencePedigreeCell LineTumor Suppressor Protein p53Genes, Tumor SuppressorPolymerase Chain ReactionWilms TumorGuanosine TriphosphateExonsTumor Suppressor ProteinsMutation RateNeoplasms, ExperimentalHeterozygoteAmino Acid SubstitutionProtein BindingTransfectionAllelesrho GTP-Binding ProteinsProtein Structure, TertiaryCell Transformation, NeoplasticMonomeric GTP-Binding ProteinsMutagenesis, Site-DirectedRNA, MessengerPhenotypeCarcinoid TumorPolymorphism, Single-Stranded ConformationalDNA PrimersBrain Neoplasmsrab GTP-Binding ProteinsGTP-Binding ProteinsMutagenesisMembrane ProteinsDNA-Binding ProteinsCell DivisionNeuroendocrine TumorsDNA, NeoplasmGenotypeCells, CulturedCell ProliferationAdenocarcinomaBinding SitesTranscription FactorsProto-Oncogene ProteinsGuanine Nucleotide Exchange FactorsNeoplasm ProteinsTumor MicroenvironmentMice, Inbred C57BLHomozygoteSequence Analysis, DNAGenes, p53Mammary Neoplasms, ExperimentalRecombinant ProteinsReverse Transcriptase Polymerase Chain ReactionGenes, DominantRecombinant Fusion ProteinsGene DeletionNeoplasm MetastasisEnzyme ActivationModels, MolecularNeoplasmsCarrier ProteinsBlotting, WesternPhosphorylationSequence Homology, Amino AcidNeovascularization, PathologicEscherichia coliGuanosine DiphosphateTime FactorsCloning, Molecularrac1 GTP-Binding ProteinCodon, NonsenseModels, BiologicalGastrointestinal Stromal TumorsPromoter Regions, GeneticMice, Inbred BALB CTransplantation, HeterologousKinetics