Search results for "c-MET"

showing 10 items of 47 documents

Tumorigenic and metastatic activity of human thyroid cancer stem cells

2010

Abstract Thyroid carcinoma is the most common endocrine malignancy and the first cause of death among endocrine cancers. We show that the tumorigenic capacity in thyroid cancer is confined in a small subpopulation of stem-like cells with high aldehyde dehydrogenase (ALDHhigh) activity and unlimited replication potential. ALDHhigh cells can be expanded indefinitely in vitro as tumor spheres, which retain the tumorigenic potential upon delivery in immunocompromised mice. Orthotopic injection of minute numbers of thyroid cancer stem cells recapitulates the behavior of the parental tumor, including the aggressive metastatic features of undifferentiated thyroid carcinomas, which are sustained by…

OncologyMaleCancer ResearchLung NeoplasmsPapillaryNudeMessengerThyroid GlandFluorescent Antibody TechniqueTYROSINE KINASEMice SCIDCell TransformationImmunoenzyme TechniquesMiceMice Inbred NODCell MovementAdenocarcinoma FollicularThyroid cancerRADIOACTIVE IODINETumor Stem Cell AssayEPITHELIAL-MESENCHYMAL TRANSITION; ALDEHYDE DEHYDROGENASE-ACTIVITY; ACUTE MYELOID-LEUKEMIA; RADIOACTIVE IODINE; TYROSINE KINASE; LUNG-CANCER; CARCINOMA; RECEPTOR; GROWTH; DIFFERENTIATIONBlottingReverse Transcriptase Polymerase Chain ReactionThyroidMiddle AgedProto-Oncogene Proteins c-metFlow CytometryEPITHELIAL-MESENCHYMAL TRANSITIONmedicine.anatomical_structureCell Transformation NeoplasticDIFFERENTIATIONOncologyNeoplastic Stem CellsAdenocarcinomaGROWTHFemaleStem cellWesternAdultmedicine.medical_specialtyBlotting WesternMice NudeACUTE MYELOID-LEUKEMIABiologyAdenocarcinomaSCIDALDEHYDE DEHYDROGENASE-ACTIVITYThyroid carcinomaYoung AdultLUNG-CANCERAdenocarcinoma Follicular; Adult; Aged; Aldehyde Dehydrogenase; Animals; Blotting Western; Carcinoma; Carcinoma Papillary; Case-Control Studies; Cell Adhesion; Cell Movement; Cell Proliferation; Cell Transformation Neoplastic; Female; Flow Cytometry; Fluorescent Antibody Technique; Humans; Immunoenzyme Techniques; Lung Neoplasms; Male; Mice; Mice Inbred NOD; Mice Nude; Mice SCID; Middle Aged; Neoplasm Invasiveness; Neoplastic Stem Cells; Proto-Oncogene Proteins c-akt; Proto-Oncogene Proteins c-met; RNA Messenger; Reverse Transcriptase Polymerase Chain Reaction; Thyroid Gland; Thyroid Neoplasms; Tumor Stem Cell Assay; Xenograft Model Antitumor Assays; Young Adult; Cancer Research; OncologyCancer stem cellSettore MED/04 - PATOLOGIA GENERALEInternal medicinemedicineCell AdhesionAnimalsHumansNeoplasm InvasivenessRNA MessengerThyroid NeoplasmsALDH Human Thyroid Cancer Stem CellsAgedCell ProliferationNeoplasticRECEPTORCarcinomaFollicularTumor Stem Cell AssayCancerAldehyde Dehydrogenasemedicine.diseaseXenograft Model Antitumor AssaysCarcinoma PapillaryCase-Control StudiesInbred NODRNAProto-Oncogene Proteins c-akt
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Met inhibition revokes IFNγ-induction of PD-1 ligands in MET-amplified tumours

2019

BACKGROUND: Interferon-induced expression of programmed cell death ligands (PD-L1/PD-L2) may sustain tumour immuneevasion. Patients featuring MET amplification, a genetic lesion driving transformation, may benefit from anti-MET treatment. We explored if MET-targeted therapy interferes with Interferon-gamma modulation of PD-L1/PD-L2 in MET-amplified tumours.METHODS: PD-L1/PD-L2 expression and signalling pathways downstream of MET or Interferon-gamma were analysed in MET-amplified tumour cell lines and in patient-derived tumour organoids, in basal condition, upon Interferon-gamma stimulation, and after anti-MET therapy.RESULTS: PD-L1 and PD-L2 were upregulated in MET-amplified tumour cells up…

Programmed cell deathCancer ResearchCancer immunotherapyMET-amplified tumoursB7-H1 AntigenArticleInterferon-gammaTargeted therapiesDownregulation and upregulationInterferonCell Line TumorNeoplasmsHumansMedicineMet inhibitionMolecular Targeted TherapySTAT1Kinase activityReceptorProtein Kinase InhibitorsJanus KinasesReceptors InterferonOncogenebiologyPD-1 ligandsbusiness.industryLiver NeoplasmsOncogenesProto-Oncogene Proteins c-metProgrammed Cell Death 1 Ligand 2 ProteinOrganoidsSTAT1 Transcription FactorOncologybiology.proteinCancer researchOncology; Cancer Research; Met inhibition; IFNγ-induction;PD-1 ligands; MET-amplified tumoursTumor EscapeSignal transductionColorectal NeoplasmsbusinessIFNγ-inductionSignal Transductionmedicine.drug
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Chronic lymphocytic leukemia nurse-like cells express hepatocyte growth factor receptor (c-MET) and indoleamine 2,3-dioxygenase and display features …

2014

Hepatocyte growth factor, produced by stromal and follicular dendritic cells, and present at high concentrations in the sera of patients with chronic lymphocytic leukemia, prolongs the survival of leukemic B cells by interacting with their receptor, c-MET. It is, however, unknown whether hepatocyte growth factor influences microenvironmental cells, such as nurse-like cells, which deliver survival signals to the leukemic clone. We evaluated the expression of c-MET on nurse-like cells and monocytes from patients with chronic lymphocytic leukemia and searched for phenotypic/functional features supposed to be influenced by the hepatocyte growth factor/c-MET interaction. c-MET is expressed at hi…

STAT3 Transcription FactorC-MetStromal cellmedicine.medical_treatmentGene ExpressionBiologyMonocyteschemistry.chemical_compoundT-Lymphocyte SubsetsmedicineHumansIndoleamine-Pyrrole 23-DioxygenaseGrowth factor receptor inhibitorPhosphorylationIndoleamine 23-dioxygenaseCells CulturedFollicular dendritic cellsMacrophagesGrowth factorArticlesHematologyProto-Oncogene Proteins c-metLeukemia Lymphocytic Chronic B-CellCoculture TechniquesInterleukin-10C-MET; INDOLEAMINE 23-DIOXYGENASEchronic lymphocytic leukemia hepatocyte growth factor c-MET nurse-like cellshepatocyte growth factornurse-like cellschemistryHepatocyte Growth Factor ReceptorCancer researchchronic lymphocytic leukemiaHepatocyte growth factorC-METINDOLEAMINE 23-DIOXYGENASEmedicine.drugHaematologica
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CCDC 1452468: Experimental Crystal Structure Determination

2016

Related Article: Ngong Kodiah Beyeh, Fangfang Pan, Robin H. A. Ras|2016|Asian J.Org.Chem|5|1027|doi:10.1002/ajoc.201600187

Space GroupCrystallography5111723-tetrakis((2-hydroxyethanaminium)methylene)-C-methylcalix(4)resorcinarene tetrrakis(chloride) chloroform methanol solvateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1450588: Experimental Crystal Structure Determination

2016

Related Article: Rakesh Puttreddy, Ngong Kodiah Beyeh, Kari Rissanen|2016|CrystEngComm|18|4971|doi:10.1039/C6CE00240D

Space GroupCrystallographyC-Methylcalix(4)resorcinarene bis(isoquinoline N-oxide) clathrate methanol solvate trihydrateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1450584: Experimental Crystal Structure Determination

2016

Related Article: Rakesh Puttreddy, Ngong Kodiah Beyeh, Kari Rissanen|2016|CrystEngComm|18|4971|doi:10.1039/C6CE00240D

Space GroupCrystallographyCrystal SystemC-Methylcalix(4)resorcinarene bis(4-methylpyridine N-oxide) clathrate methanol solvateCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1450582: Experimental Crystal Structure Determination

2016

Related Article: Rakesh Puttreddy, Ngong Kodiah Beyeh, Kari Rissanen|2016|CrystEngComm|18|4971|doi:10.1039/C6CE00240D

Space GroupCrystallographyCrystal SystemCrystal StructureC-Methylcalix(4)resorcinarene tetrakis(2-methylpyridine N-oxide) clathrateCell ParametersExperimental 3D Coordinates
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CCDC 1042082: Experimental Crystal Structure Determination

2015

Related Article: Kaisa Helttunen, Tiia-Riikka Tero, Maija Nissinen|2015|CrystEngComm|17|3667|doi:10.1039/C5CE00311C

Space GroupCrystallographyCrystal SystemCrystal StructureC-methyl tetramethoxy resorcinarene bis-crown-5 dichloromethane methanol solvateCell ParametersExperimental 3D Coordinates
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CCDC 1450586: Experimental Crystal Structure Determination

2016

Related Article: Rakesh Puttreddy, Ngong Kodiah Beyeh, Kari Rissanen|2016|CrystEngComm|18|4971|doi:10.1039/C6CE00240D

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersC-Methylcalix(4)resorcinarene bis(2-methyl-4-nitropyridine N-oxide) clathrate methanol solvate dihydrateExperimental 3D Coordinates
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CCDC 1450585: Experimental Crystal Structure Determination

2016

Related Article: Rakesh Puttreddy, Ngong Kodiah Beyeh, Kari Rissanen|2016|CrystEngComm|18|4971|doi:10.1039/C6CE00240D

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersC-Methylcalix(4)resorcinarene bis(4-methoxypyridine N-oxide) clathrateExperimental 3D Coordinates
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