Search results for " Up-Regulation"

showing 10 items of 24 documents

Distinctive Histogenesis and Immunological Microenvironment Based on Transcriptional Profiles of Follicular Dendritic Cell Sarcomas

2017

Abstract Follicular dendritic cell (FDC) sarcomas are rare mesenchymal tumors with variable clinical, morphologic, and phenotypic characteristics. Transcriptome analysis was performed on multiple FDC sarcomas and compared with other mesenchymal tumors, microdissected Castleman FDCs, and normal fibroblasts. Using unsupervised analysis, FDC sarcomas clustered with microdissected FDCs, distinct from other mesenchymal tumors and fibroblasts. The specific endowment of FDC-related gene expression programs in FDC sarcomas emerged by applying a gene signature of differentially expressed genes (n = 1,289) between microdissected FDCs and fibroblasts. Supervised analysis comparing FDC sarcomas with mi…

0301 basic medicineAlgorithms; B7-H1 Antigen; Castleman Disease; Chromatin; Cluster Analysis; Dendritic Cell Sarcoma Follicular; Gene Expression Profiling; Gene Expression Regulation Neoplastic; Humans; Programmed Cell Death 1 Ligand 2 Protein; Programmed Cell Death 1 Receptor; Signal Transduction; T-Lymphocytes Helper-Inducer; T-Lymphocytes Regulatory; Up-Regulation; Gene Regulatory Networks; Molecular Biology; Oncology; Cancer ResearchCancer ResearchProgrammed Cell Death 1 ReceptorDendritic Cell Sarcoma FollicularBiologyT-Lymphocytes RegulatoryB7-H1 AntigenTranscriptome03 medical and health sciencesmedicineCluster AnalysisHumansGene Regulatory NetworksMolecular BiologyRegulation of gene expressionCluster AnalysiGene Regulatory NetworkFollicular dendritic cellsCastleman DiseaseGene Expression ProfilingMesenchymal stem cellT-Lymphocytes Helper-InducerProgrammed Cell Death 1 Ligand 2 Proteinmedicine.diseaseChromatinUp-RegulationAlgorithmGene Expression Regulation NeoplasticGene expression profiling030104 developmental biologyOncologyCancer researchImmunohistochemistrySarcomaAlgorithmsHumanSignal TransductionExtracellular matrix organizationMolecular Cancer Research
researchProduct

Early miR-223 Upregulation in Gastroesophageal Carcinogenesis

2017

Objectives: To test miR-223 upregulation during gastric (intestinal-type) and Barrett esophageal carcinogenesis. Methods: miR-223 expression was assessed by quantitative reverse transcription polymerase chain reaction in a series of 280 gastroesophageal biopsy samples representative of the whole spectrum of phenotypic changes involved in both carcinogenetic cascades. The results were further validated by in situ hybridization on multiple tissue specimens obtained from six surgically treated gastroesophageal adenocarcinomas. miR-223 expression was also assessed in plasma samples from 30 patients with early stage (ie, stages I and II) gastroesophageal adenocarcinoma and relative controls. Res…

0301 basic medicineMalePathologyEsophageal NeoplasmsAtrophic gastritisCarcinogenesisPreneoplastic lesionsBarrett carcinogenesisGastroenterology0302 clinical medicineEarly Detection of CancerIn Situ HybridizationBarrett carcinogenesis; Gastric adenocarcinoma; Preneoplastic lesions; microRNA; Adenocarcinoma; Aged; Barrett Esophagus; Biomarkers Tumor; Carcinogenesis; Early Detection of Cancer; Esophageal Neoplasms; Esophagogastric Junction; Female; Humans; In Situ Hybridization; Male; MicroRNAs; Middle Aged; Retrospective Studies; Reverse Transcriptase Polymerase Chain Reaction; Stomach Neoplasms; Up-RegulationTumormedicine.diagnostic_testmicroRNAReverse Transcriptase Polymerase Chain ReactionBarrett carcinogenesiIntestinal metaplasiaGeneral MedicineMiddle AgedUp-RegulationReverse transcription polymerase chain reactionmedicine.anatomical_structure030220 oncology & carcinogenesisAdenocarcinomaBiomarker (medicine)FemaleEsophagogastric Junctionmedicine.medical_specialty2734BiologyAdenocarcinoma03 medical and health sciencesBarrett EsophagusStomach NeoplasmsInternal medicineBiopsyBiomarkers TumormedicineHumansEsophagusAgedRetrospective StudiesGastric adenocarcinomaCancermedicine.diseasedigestive system diseasesBarrett carcinogenesis; Gastric adenocarcinoma; microRNA; Preneoplastic lesions; Adenocarcinoma; Aged; Barrett Esophagus; Biomarkers Tumor; Carcinogenesis; Early Detection of Cancer; Esophageal Neoplasms; Esophagogastric Junction; Female; Humans; In Situ Hybridization; Male; MicroRNAs; Middle Aged; Retrospective Studies; Reverse Transcriptase Polymerase Chain Reaction; Stomach Neoplasms; Up-Regulation; 2734MicroRNAs030104 developmental biologyBiomarkers
researchProduct

Brief Report: Functional Interaction of Endoplasmic Reticulum Aminopeptidase 2 and HLA-B27 Activates the Unfolded Protein Response.

2017

Objective: The basic mechanisms underlying the pathogenesis of ankylosing spondylitis (AS) remain unresolved. We previously reported an association of the single-nucleotide polymorphism (SNP) rs2549782 in the endoplasmic reticulum aminopeptidase 2 gene (ERAP2) with AS. It is known that patients homozygous for the G allele (GG) of another ERAP2 SNP, rs2248374, lack expression of ERAP2 (ERAP2 null). The present study utilized this information to study the impact of ERAP2 deficiency on HLA–B27 expression in patients with AS, specifically focusing on the functional interaction of ERAP2 and HLA–B27 in peripheral blood mononuclear cells (PBMCs) from patients with AS and assessing the effects …

0301 basic medicineMaleX-Box Binding Protein 1Aminopeptidases0302 clinical medicineImmunology and AllergyRNA Small InterferingEndoplasmic Reticulum Chaperone BiPHLA-B27 AntigenHeat-Shock ProteinsAlleleBlottingReverse Transcriptase Polymerase Chain ReactionHeat-Shock ProteinSingle NucleotideMiddle AgedFlow CytometryCCAAT-Enhancer-Binding Protein3. Good healthUp-RegulationFemaleWesternHumanAnkylosingAdultAminopeptidaseMononuclearImmunologyBlotting WesternSingle-nucleotide polymorphismBiologyMajor histocompatibility complexSmall InterferingPolymorphism Single NucleotideAdult; Alleles; Aminopeptidases; Blotting Western; CCAAT-Enhancer-Binding Proteins; Cell Line; Female; Flow Cytometry; HLA-B27 Antigen; Heat-Shock Proteins; Humans; Leukocytes Mononuclear; Male; Middle Aged; Polymorphism Single Nucleotide; RNA Small Interfering; Reverse Transcriptase Polymerase Chain Reaction; Spondylitis Ankylosing; Unfolded Protein Response; Up-Regulation; X-Box Binding Protein 1; Immunology and Allergy; Rheumatology; ImmunologyCell Line03 medical and health sciencesDownregulation and upregulationRheumatologyHumansSpondylitis AnkylosingAllelePolymorphismAlleles030203 arthritis & rheumatologySpondylitiHLA-B27LeukocyteEndoplasmic reticulum aminopeptidase 2X-Box Binding Protein 1Molecular biologySettore MED/16 - Reumatologia030104 developmental biologyUnfolded protein responsebiology.proteinCCAAT-Enhancer-Binding ProteinsLeukocytes MononuclearUnfolded Protein ResponseRNAArthritisrheumatology (Hoboken, N.J.)
researchProduct

Lipase elevation and type 1 diabetes mellitus related to immune checkpoint inhibitor therapy – A multicentre study of 90 patients from the German Der…

2021

Abstract Aim Immune checkpoint inhibition (ICI) triggers immune-related adverse events (irAEs). The relevance of lipase elevation remains unclear. Patients and methods Skin cancer patients with newly detected serum lipase elevation (at least twofold upper normal limit) or newly diagnosed type I diabetes mellitus upon ICI therapy were retrospectively collected at 14 German skin cancer centres. Results We identified 68 patients with lipase elevation occurring after a median time of 19 (range 1–181) weeks on ICI, 15 (22%) thereof had symptoms consistent with pancreatitis. Forty-seven patients (73%) had other irAE, mainly colitis. Discontinuation (n = 24, 35%) or interruption (n = 26, 38%) of I…

AdultBlood GlucoseMale0301 basic medicineCancer Researchmedicine.medical_specialtySkin NeoplasmsTime FactorsMedizinGastroenterologyThyroiditisYoung Adult03 medical and health sciences0302 clinical medicinePredictive Value of TestsGermanyInternal medicineDiabetes mellitusmedicineHumansLipaseAdverse effectImmune Checkpoint InhibitorsMelanomaAgedRetrospective StudiesAged 80 and overType 1 diabetesbiologybusiness.industryDiabetes; Diabetes mellitus; Immune checkpoint inhibitors; Immune-related adverse events; Ipilimumab; Lipase; Nivolumab; Pancreatitis; PD-1 inhibitor; Pembrolizumab; Adult; Aged; Aged 80 and over; Biomarkers; Blood Glucose; Diabetes Mellitus Type 1; Exocrine Pancreatic Insufficiency; Female; Germany; Humans; Immune Checkpoint Inhibitors; Lipase; Male; Melanoma; Middle Aged; Pancreatitis; Predictive Value of Tests; Retrospective Studies; Skin Neoplasms; Time Factors; Treatment Outcome; Up-Regulation; Young AdultLipaseMiddle Agedmedicine.diseaseUp-RegulationKetoacidosisDiabetes Mellitus Type 1Treatment Outcome030104 developmental biologyPancreatitisOncology030220 oncology & carcinogenesisbiology.proteinPancreatitisExocrine Pancreatic InsufficiencyFemaleSkin cancerbusinessBiomarkersEuropean Journal of Cancer
researchProduct

Phytochemical profile and antioxidative properties of Plinia trunciflora fruits: A new source of nutraceuticals.

2020

Abstract This study evaluated the polyphenol profile and the antioxidative properties of Plinia trunciflora (O. Berg) Kausel fruits. Folin-Ciocalteau and pH-jumping methods indicated that these berries are a major source of antioxidant polyphenols (1201.05 mg GAE/100 g FW), particularly anthocyanins. HPLC-DAD-ESI-MS/MS analysis identified cyanidine glycosides as the main components. Flavon-3-ols and hydrolysable-tannins were also found. CAA assay showed that extracts of P. trunciflora fruits prevent lipid peroxidation in HepG2 cells with higher efficacy than other colourful fruits (CAA50 935.25 mg FW/mL cell medium). Moreover, our results suggested that the observed antioxidant protection i…

AntioxidantDPPHmedicine.medical_treatmentMyrtaceaePhytochemicals01 natural sciencesAntioxidantsAnalytical ChemistryAnthocyaninsLipid peroxidationchemistry.chemical_compoundTandem Mass SpectrometrySettore BIO/10 - BiochimicaFood scienceChromatography High Pressure LiquidChromatographyABTSbiologyChemistryfood and beverages04 agricultural and veterinary sciencesGeneral MedicineHep G2 CellsJaboticaba040401 food scienceUp-RegulationPhytochemicalHigh Pressure LiquidAntioxidant enzymesMyrciaria truncifloraPlinia0404 agricultural biotechnologyNutraceuticalmedicineHumansGlutathione PeroxidasePlant ExtractsSuperoxide DismutaseAntioxidant enzyme010401 analytical chemistryPolyphenolsbiology.organism_classification0104 chemical sciencesPolyphenolFruitDietary SupplementsLipid PeroxidationAnthocyanins; Antioxidant enzymes; Cellular antioxidant activity (CAA); Jaboticaba; Myrciaria trunciflora; Antioxidants; Chromatography High Pressure Liquid; Dietary Supplements; Fruit; Glutathione Peroxidase; Hep G2 Cells; Humans; Lipid Peroxidation; Myrtaceae; Phytochemicals; Plant Extracts; Polyphenols; Superoxide Dismutase; Tandem Mass Spectrometry; Up-RegulationCellular antioxidant activity (CAA)Food ScienceFood chemistry
researchProduct

β-Catenin Activation Regulates Tissue Growth Non–Cell Autonomously in the Hair Stem Cell Niche

2014

Coordinated Hair Growth Wnt/β-catenin signaling is a key pathway that plays a conserved role in regulating stem cell function during adult tissue regeneration. Using time-lapse imaging of live mice, Deschene et al. (p. 1353 ) show that genetic activation of β-catenin within hair follicle stem cells generates axes of hair growth by coordinated cell divisions and cell movements, even when the normal niches—the dermal papillae—are laser-ablated. Activated β-catenin enhances Wnt ligand secretion, and these ligands can then activate Wnt signaling in adjacent cells that do not have activated β-catenin, indicating how activated stem cells could influence neighboring cells during normal growth and …

Beta-cateninWnt ProteinCellular differentiationLigandBiologyLigandsModels BiologicalArticleMiceStem CellmedicineAnimalsStem Cell NicheAnimals; Cell Differentiation; Cell Division; Hair; Hair Follicle; Ligands; Mice; Models Biological; Mutation; Stem Cell Niche; Stem Cells; Tamoxifen; Up-Regulation; Wnt Proteins; beta Catenin; Wnt Signaling Pathway; Medicine (all); MultidisciplinaryWnt Signaling Pathwaybeta CateninMultidisciplinaryintegumentary systemAnimalStem CellsMedicine (all)Regeneration (biology)Mesenchymal stem cellWnt signaling pathwayCell DifferentiationHair follicleUp-RegulationCell biologyWnt ProteinsTamoxifenmedicine.anatomical_structureCateninMutationbiology.proteinStem cellHair FollicleCell DivisionHairScience
researchProduct

Inhibition of miR-21 restores RANKL/OPG ratio in multiple myeloma-derived bone marrow stromal cells and impairs the resorbing activity of mature oste…

2015

// Maria Rita Pitari 1 , Marco Rossi 1 , Nicola Amodio 1 , Cirino Botta 1 , Eugenio Morelli 1 , Cinzia Federico 1 , Annamaria Gulla 1 , Daniele Caracciolo 1 , Maria Teresa Di Martino 1 , Mariamena Arbitrio 2 , Antonio Giordano 3, 4 , Pierosandro Tagliaferri 1 , Pierfrancesco Tassone 1, 4 1 Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy 2 ISN-CNR, Roccelletta di Borgia, Catanzaro, Italy 3 Department of Human Pathology and Oncology, University of Siena, Siena, Italy 4 Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology,…

Bone diseaseMessengerOsteoclastsTumor Microenvironment3' Untranslated RegionsMultiple myelomaTumorbiologyMesenchymal Stromal CellsRANKLProtein Inhibitors of Activated STATUp-Regulationmedicine.anatomical_structureOncologyRANKLmiRNAsmiR-21MiRNAMultiple MyelomaMiR-21; MiRNAs; Multiple myeloma bone disease; OPG; RANKL; 3' Untranslated Regions; Bone Marrow Cells; Bone Resorption; Cell Adhesion; Cell Line Tumor; Coculture Techniques; HEK293 Cells; Humans; Interleukin-6; Lentivirus; Mesenchymal Stromal Cells; MicroRNAs; Molecular Chaperones; Multiple Myeloma; Osteoclasts; Osteoprotegerin; Protein Inhibitors of Activated STAT; RANK Ligand; RNA Messenger; STAT3 Transcription Factor; Stromal Cells; Tumor Microenvironment; Up-Regulation; OncologyResearch Papermusculoskeletal diseasesSTAT3 Transcription FactorStromal cellBone Marrow CellsBone resorptionCell LineOsteoprotegerinCell Line TumormedicineCell AdhesionHumansRNA MessengerBone Resorptionbusiness.industryInterleukin-6LentivirusRANK LigandOsteoprotegerinMesenchymal Stem Cellsmedicine.diseaseMolecular medicineCoculture TechniquesMicroRNAsmultiple myeloma bone diseaseHEK293 CellsImmunologyCancer researchbiology.proteinRNAOPGBone marrowStromal CellsbusinessMolecular ChaperonesOncotarget
researchProduct

CD38/CD31, the CCL3 and CCL4 chemokines, and CD49d/vascular cell adhesion molecule-1 are interchained by sequential events sustaining chronic lymphoc…

2009

AbstractCD38 and CD49d are associated negative prognosticators in chronic lymphocytic leukemia (CLL). Despite evidence that both molecules are involved in interactions occurring between CLL and normal cells in the context of CLL-involved tissues, a functional link is still missing. Using gene expression profiles comparing CD38+CD49d+ versus CD38−CD49d− CLL cells, we showed overexpression of the CCL3 and CCL4 chemokines in cells from the former group. These chemokines were also up-regulated by CD38 signals in CLL; moreover, CCL3 was expressed by CLL cells from bone marrow biopsies (BMB) of CD38+CD49d+ but not CD38−CD49d− cases. High levels of CCR1 and, to a lesser extent, CCR5, the receptors…

Cancer ResearchChemokineChronic lymphocytic leukemiaIntegrin alpha4ApoptosisCD38immune system diseaseshemic and lymphatic diseasesReceptorsChronicMacrophages; Apoptosis; Membrane Glycoproteins; Humans; Integrin alpha4; Antigens CD38; Vascular Cell Adhesion Molecule-1; Endothelial Cells; Receptors Chemokine; Antigens CD31; Cell Survival; Bone Marrow Cells; Leukemia Lymphocytic Chronic B-Cell; Antigens CD; Up-Regulation; Chemokine CCL4; Chemokine CCL3; Cell LineChemokine CCL4Chemokine CCL3Membrane GlycoproteinsLeukemiaCell adhesion moleculehemic and immune systemsLymphocyticCDUp-RegulationPlatelet Endothelial Cell Adhesion Molecule-1Leukemiamedicine.anatomical_structureOncologyChemokineReceptors ChemokineTumor necrosis factor alphaStromal cellCell SurvivalVascular Cell Adhesion Molecule-1Bone Marrow CellsBiologyCell LineAntigens CDmedicineHumansAntigensMonocyteMacrophagesB-CellEndothelial Cellsmedicine.diseaseADP-ribosyl Cyclase 1Leukemia Lymphocytic Chronic B-CellCLL integrins chemokines CD49d CD38 prognosis.Cancer researchbiology.proteinCD31Settore MED/15 - Malattie del SangueCD38
researchProduct

R-Roscovitine (Seliciclib) prevents DNA damage-induced cyclin A1 upregulation and hinders non-homologous end-joining (NHEJ) DNA repair.

2010

Abstract Background CDK-inhibitors can diminish transcriptional levels of cell cycle-related cyclins through the inhibition of E2F family members and CDK7 and 9. Cyclin A1, an E2F-independent cyclin, is strongly upregulated under genotoxic conditions and functionally was shown to increase NHEJ activity. Cyclin A1 outcompetes with cyclin A2 for CDK2 binding, possibly redirecting its activity towards DNA repair. To see if we could therapeutically block this switch, we analyzed the effects of the CDK-inhibitor R-Roscovitine on the expression levels of cyclin A1 under genotoxic stress and observed subsequent DNA damage and repair mechanisms. Results We found that R-Roscovitine alone was unable …

Cancer ResearchDNA RepairDNA repairDNA damageSettore MED/06 - Oncologia MedicaCyclin DCyclin ACyclin BSettore BIO/11 - Biologia Molecolarelcsh:RC254-282RoscovitineProtein Kinase InhibitorsBIO/10 Biochimicaroscovitine doxorubicinbiologyResearchCyclin A1; Doxorubicin; Protein Kinase Inhibitors; Purines; Up-Regulation; DNA Damage; DNA Repair; Hydrogen-Ion Concentration; Cancer Research; Molecular Medicine; OncologyG2-M DNA damage checkpointHydrogen-Ion Concentrationlcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogensUp-RegulationOncologyDoxorubicinPurinesCancer researchbiology.proteinMolecular MedicineCyclin A1biological phenomena cell phenomena and immunityCyclin A1Cyclin A2DNA DamageMolecular cancer
researchProduct

Autocrine production of interleukin-4 and interleukin-10 is required for survival and growth of thyroid cancer cells.

2006

AbstractAlthough CD95 and its ligand are expressed in thyroid cancer, the tumor cell mass does not seem to be affected by such expression. We have recently shown that thyroid carcinomas produce interleukin (IL)-4 and IL-10, which promote resistance to chemotherapy through the up-regulation of Bcl-xL. Here, we show that freshly purified thyroid cancer cells were completely refractory to CD95-induced apoptosis despite the consistent expression of Fas-associated death domain and caspase-8. The analysis of potential molecules able to prevent caspase-8 activation in thyroid cancer cells revealed a remarkable up-regulation of cellular FLIPL (cFLIPL) and PED/PEA-15, two antiapoptotic proteins whos…

Cancer Researchmedicine.medical_treatmentNF-KAPPA-BOligonucleotidesC-FLIPCASP8 and FADD-Like Apoptosis Regulating ProteinApoptosisSuppressor of Cytokine Signaling ProteinsSIGNALING COMPLEXThyroid cancerTumorCARCINOMA CELLSANDROGEN RECEPTORIntracellular Signaling Peptides and ProteinsInterleukinHASHIMOTOS-THYROIDITISMiddle AgedProtein-Tyrosine KinasesInterleukin-10Up-RegulationMALIGNANT GLIOMA-CELLSInterleukin 10CytokineOncologyAged; Antibodies; Apoptosis; CASP8 and FADD-Like Apoptosis Regulating Protein; Cell Growth Processes; Cell Line Tumor; Humans; Interleukin-10; Interleukin-4; Intracellular Signaling Peptides and Proteins; Janus Kinase 1; Middle Aged; Oligonucleotides Antisense; Phosphoproteins; Protein-Tyrosine Kinases; Repressor Proteins; STAT6 Transcription Factor; Suppressor of Cytokine Signaling 1 Protein; Suppressor of Cytokine Signaling Proteins; Thyroid Neoplasms; Up-Regulation; fas Receptor; Oncology; Cancer Researchmedicine.medical_specialtyANTIAPOPTOTIC PROTEINSCell Growth ProcessesAntibodiesCell LineThyroid carcinomaSuppressor of Cytokine Signaling 1 ProteinSettore MED/04 - PATOLOGIA GENERALEInternal medicineCell Line TumormedicineHumansThyroid Neoplasmsfas ReceptorAntisenseAutocrine signallingInterleukin 4AgedAPOPTOSIS-INDUCING LIGANDbusiness.industryJanus Kinase 1Oligonucleotides Antisensemedicine.diseasePhosphoproteinsRepressor ProteinsEndocrinologyCancer cellCancer researchInterleukin-4businessApoptosis Regulatory ProteinsSTAT6 Transcription FactorCancer research
researchProduct