2012
Linking DNA Methyltransferases to Epigenetic Marks and Nucleosome Structure Genome-wide in Human Tumor Cells
Jin B, Ernst J, Tiedemann R, Xu H, Sureshchandra S, Kellis M, Dalton S, Liu C, Choi J, Robertson K. Linking DNA Methyltransferases to Epigenetic Marks and Nucleosome Structure Genome-wide in Human Tumor Cells. Cell Reports 2012, 2: 1411-1424. PMID: 23177624, PMCID: PMC3625945, DOI: 10.1016/j.celrep.2012.10.017.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, EmbryonalCell LineChromatinCpG IslandsDNADNA (Cytosine-5-)-Methyltransferase 1DNA (Cytosine-5-)-MethyltransferasesDNA MethylationDNA Methyltransferase 3AEmbryonic Stem CellsEpigenomicsGenes, OverlappingGenetic LociGenome, HumanHCT116 CellsHistonesHumansMaleNucleosomesProtein BindingTesticular NeoplasmsTranscription, GeneticConceptsDNA methylationDNA methyltransferasesDifferentiated stateGenome-wide localizationCancerous stem cellsEpigenetic marksMammalian developmentHistone modificationsNucleosome structureCellular transformationDNA hypermethylationLocalization patternsHuman tumor cellsMethylationDNMTsHuman tumor cell linesTumor cell linesStem cellsMethyltransferasesCancer cellsCell linesLociCellsTumor cellsEpigenomeTargeted Delivery of Chemotherapy Agents Using a Liver Cancer-Specific Aptamer
Meng L, Yang L, Zhao X, Zhang L, Zhu H, Liu C, Tan W. Targeted Delivery of Chemotherapy Agents Using a Liver Cancer-Specific Aptamer. PLOS ONE 2012, 7: e33434. PMID: 22558072, PMCID: PMC3338807, DOI: 10.1371/journal.pone.0033434.Peer-Reviewed Original ResearchConceptsAptamer-drug conjugatesCancer-specific aptamersAntitumor agent doxorubicinDOX conjugatesIntercalation methodAptamerCell viability testTargeted deliveryConjugatesCancer cellsTarget proteinsAgent doxorubicinPotential candidateCell linesDOXEfficiency of chemotherapyLiver cancer cellsNonspecific uptakeTarget specificityAvailable aptamersCarcinoma cell linesChemotherapy agentsHepatocellular carcinoma cell linesHuman hepatocellular carcinoma cell linePromising methodGlypican‐3 as a Potential Therapeutic Target for Hepatocellular Carcinoma Immunotherapy
Trinh T, Liu C. Glypican‐3 as a Potential Therapeutic Target for Hepatocellular Carcinoma Immunotherapy. The FASEB Journal 2012, 26: 405.1-405.1. DOI: 10.1096/fasebj.26.1_supplement.405.1.Peer-Reviewed Original ResearchHCC cell linesDifferent HCC cell linesGlypican-3Hepatocellular carcinomaTherapeutic targetCell linesNon-tumor liver tissuesHepatocellular Carcinoma ImmunotherapyCell proliferationNovel therapeutic targetPotential therapeutic targetCancer cell proliferationInhibited cell proliferationDose-dependent mannerAnti-GPC3 antibodiesHuman HCC tissuesNormal primary hepatocytesHCC immunotherapyCell surface heparinGPC3 expressionHCC tissuesLiver tissueImmunotherapyWestern blotHuman tumors
2011
Epigenetic regulation of homeobox genes in liver cancer
Liu H, Robertson K, Liu C. Epigenetic regulation of homeobox genes in liver cancer. The FASEB Journal 2011, 25: 794.12-794.12. DOI: 10.1096/fasebj.25.1_supplement.794.12.Peer-Reviewed Original ResearchHox genesEpigenetic regulationHomeobox genesAmino acid DNA-binding domainHox gene regulationDNA-binding domainHox gene familyHCC cell linesBp DNA sequenceCell linesGene familyGene regulationEpigenetic modificationsEpigenetic mechanismsIdentity of cellsTranscription factorsDNA sequencesTrichostatin A.Expression profilesCancer tissuesDifferential expressionGenesCell line experimentsNormal developmentHCC cancer tissuesIdentification of the IFITM3 gene as an inhibitor of hepatitis C viral translation in a stable STAT1 cell line
Yao L, Dong H, Zhu H, Nelson D, Liu C, Lambiase L, Li X. Identification of the IFITM3 gene as an inhibitor of hepatitis C viral translation in a stable STAT1 cell line. Journal Of Viral Hepatitis 2011, 18: e523-e529. PMID: 21914072, PMCID: PMC3736357, DOI: 10.1111/j.1365-2893.2011.01452.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarrier ProteinsCell LineGene ExpressionHepacivirusHumansMembrane ProteinsMiceProtein BiosynthesisProtein MultimerizationReal-Time Polymerase Chain ReactionReceptors, EstrogenRecombinant Fusion ProteinsRNA, ViralRNA-Binding ProteinsSTAT1 Transcription FactorTamoxifenTranscriptional ActivationViral ProteinsConceptsFusion proteinCell linesRNA replicationInterferon-induced transmembrane protein 3Internal ribosomal entry siteHCV IRESHCV internal ribosomal entry siteTransmembrane protein 3HCV RNA replicationMouse estrogen receptorSignal transducerTranscription 1Gene expressionViral translationIFITM3 geneHuh7.5 cell lineReal-time PCRAnti-HCV effectGenesEntry siteElevated expressionProtein 3Western blottingIRESProtein
2010
DNA Aptamers as Molecular Probes for Colorectal Cancer Study
Sefah K, Meng L, Lopez-Colon D, Jimenez E, Liu C, Tan W. DNA Aptamers as Molecular Probes for Colorectal Cancer Study. PLOS ONE 2010, 5: e14269. PMID: 21170319, PMCID: PMC3000811, DOI: 10.1371/journal.pone.0014269.Peer-Reviewed Original ResearchConceptsColorectal cancerAppropriate therapeutic regimensCell-based systematic evolutionColorectal Cancer StudyMolecular featuresMultistep carcinogenic processCancer cell linesCell line DLD-1Therapeutic regimensNormal colon cellsPrognostic markerDifferent tumorsSpecific tumorsFlow cytometrySpecific biomarkersEarly disease detectionCarcinogenic processTumorsCancerSpecific markersCancer studiesColon cellsDLD-1Cell linesDisease development
2008
Identification of Liver Cancer-Specific Aptamers Using Whole Live Cells
Shangguan D, Meng L, Cao Z, Xiao Z, Fang X, Li Y, Cardona D, Witek R, Liu C, Tan W. Identification of Liver Cancer-Specific Aptamers Using Whole Live Cells. Analytical Chemistry 2008, 80: 721-728. PMID: 18177018, DOI: 10.1021/ac701962v.Peer-Reviewed Original ResearchConceptsLiver cancerLiver cancer cellsEarly diagnosisCell linesBALB/cJ miceCancer cellsSurgical resectionClinical outcomesLiver cell lineEffective treatmentMouse modelWhole live cellsDeadly cancerCurrent studyCancer-specific aptamersTumor selectionBasic mechanism studiesCancerMost cancersBNL CLCancer early diagnosisCell-SELEX methodNoncancer cell linesDiagnosisCancer recognition
2007
The antigen for Hep Par 1 antibody is the urea cycle enzyme carbamoyl phosphate synthetase 1
Butler S, Dong H, Cardona D, Jia M, Zheng R, Zhu H, Crawford J, Liu C. The antigen for Hep Par 1 antibody is the urea cycle enzyme carbamoyl phosphate synthetase 1. Laboratory Investigation 2007, 88: 78-88. PMID: 18026163, DOI: 10.1038/labinvest.3700699.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalAntigensBase SequenceBlotting, WesternCarbamoyl-Phosphate Synthase (Ammonia)Chromatography, LiquidDNA PrimersFemaleHumansImmunoprecipitationLiver NeoplasmsMaleReverse Transcriptase Polymerase Chain ReactionSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryConceptsHep Par 1 antibodyHep Par 1Carbamoyl phosphate synthetase 1Carcinoma cell linesHepatocellular carcinoma cell linesHuman hepatocellular carcinoma cell linePAR-1Cell linesHepatocyte paraffin 1Small intestinal tissueSurgical pathology practiceCPS1 expressionMurine monoclonal antibodiesHepatoid tumorsHuman liver tissueHepatocellular originIntestinal tissueRate-limiting enzymeLiver carcinogenesisSynthetase 1Liver tissuePathology practiceAntigenLiver pathobiologyMonoclonal antibodiesHepatitis C Virus Triggers Apoptosis of a Newly Developed Hepatoma Cell Line Through Antiviral Defense System
Zhu H, Dong H, Eksioglu E, Hemming A, Cao M, Crawford J, Nelson D, Liu C. Hepatitis C Virus Triggers Apoptosis of a Newly Developed Hepatoma Cell Line Through Antiviral Defense System. Gastroenterology 2007, 133: 1649-1659. PMID: 17983809, DOI: 10.1053/j.gastro.2007.09.017.Peer-Reviewed Original ResearchConceptsTumor necrosis factor-related apoptosis-inducing ligandHCV infectionViral infectionHepatoma cell lineHCV isolatesJFH-1New hepatoma cell lineViral replicationCell linesMechanisms of HCVAcute HCV infectionChronic viral infectionsPathogenesis of HCVNovel human hepatoma cell lineInterferon response factor 3Antiviral defense systemNecrosis factor-related apoptosis-inducing ligandType I interferon inductionFactor-related apoptosis-inducing ligandExpression of interferonHost immune systemHepatocellular carcinoma tissuesI interferon inductionDeath receptor 5Induction of interferonHepatocellular carcinoma cell supernatants increase expansion and function of CD4+CD25+ regulatory T cells
Cao M, Cabrera R, Xu Y, Firpi R, Zhu H, Liu C, Nelson D. Hepatocellular carcinoma cell supernatants increase expansion and function of CD4+CD25+ regulatory T cells. Laboratory Investigation 2007, 87: 582-590. PMID: 17372588, DOI: 10.1038/labinvest.3700540.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsRegulatory T cellsT cell proliferationT cellsCancer patientsControl peripheral blood mononuclear cellsDepletion of TregsAntigen-reactive lymphocytesTumor-related factorsBlood mononuclear cellsHepatocellular carcinoma patientsT cell populationsHost immune systemCell linesSuppressor abilityHCC cell linesHuman hepatoma cell lineAntitumor immunityCarcinoma patientsTumor burdenFoxp3 expressionMononuclear cellsCTLA-4Reactive lymphocytesTregs
2005
Defective Jak-Stat Activation in Hepatoma Cells Is Associated with Hepatitis C Viral IFN- Resistance
Zhu H, Nelson D, Crawford J, Liu C. Defective Jak-Stat Activation in Hepatoma Cells Is Associated with Hepatitis C Viral IFN- Resistance. Journal Of Interferon & Cytokine Research 2005, 25: 528-539. PMID: 16181053, DOI: 10.1089/jir.2005.25.528.Peer-Reviewed Original ResearchMeSH KeywordsAntiviral AgentsCarcinoma, HepatocellularCell Line, TumorDNA-Binding ProteinsDrug Resistance, ViralHepacivirusHumansInterferon-alphaLiverLiver NeoplasmsMutationProtein-Tyrosine KinasesRepliconRepressor ProteinsSTAT3 Transcription FactorSuppressor of Cytokine Signaling 3 ProteinSuppressor of Cytokine Signaling ProteinsTrans-ActivatorsTranscription FactorsViral Nonstructural ProteinsConceptsIFN resistanceHCV subgenomic replicon cell culture systemViral infectionChronic hepatitis C viral infectionIFN-sensitive cell linesHepatitis C viral infectionIFN stimulationCell linesRibavirin combination therapyMajority of patientsC viral infectionSTAT3 activationResistant cell linesIFN monotherapyIFN therapySuppressor of cytokineCombination therapyIFN sensitivityJAK-STAT activationIFNPotential mechanismsLong-term cultureCell culture systemExhibit alterationsJAK-STAT
2004
STAT3 induces anti-hepatitis C viral activity in liver cells
Zhu H, Shang X, Terada N, Liu C. STAT3 induces anti-hepatitis C viral activity in liver cells. Biochemical And Biophysical Research Communications 2004, 324: 518-528. PMID: 15474458, DOI: 10.1016/j.bbrc.2004.09.081.Peer-Reviewed Original ResearchMeSH KeywordsAntiviral AgentsBlotting, NorthernBlotting, WesternCarcinoma, HepatocellularCell LineCell Line, TumorCytokinesDNA-Binding ProteinsDose-Response Relationship, DrugEnzyme InhibitorsGenes, DominantHepacivirusHumansInflammationInterferonsInterleukin-6LigandsLiverLiver NeoplasmsLuciferasesPlasmidsProtein Structure, TertiaryReverse Transcriptase Polymerase Chain ReactionRibavirinRNARNA, MessengerSTAT3 Transcription FactorTime FactorsTrans-ActivatorsTransfectionTyrphostinsConceptsAnti-HCV activityInterferon alphaSTAT3 activationHuman hepatoma cellsHepatitis C virus infectionHCV subgenomic RNA replicationMain therapeutic regimenC virus infectionChronic liver diseaseCytokines IL-6Replicon cell linesIntracellular antiviral stateCell linesHepatoma cellsLiver diseaseTherapeutic regimenActivation of STAT3IL-6Virus infectionEstrogen receptorIFN treatmentAntiviral genesAntiviral pathwaysAntiviral activityAntiviral stateStabilized β-catenin promotes hepatocyte proliferation and inhibits TNFα-induced apoptosis
Shang X, Zhu H, Lin K, Tu Z, Chen J, Nelson D, Liu C. Stabilized β-catenin promotes hepatocyte proliferation and inhibits TNFα-induced apoptosis. Laboratory Investigation 2004, 84: 332-341. PMID: 14767485, DOI: 10.1038/labinvest.3700043.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBeta CateninCarcinoma, HepatocellularCell DivisionCell LineCell Line, TumorCell Transformation, NeoplasticCyclin D1Cytoskeletal ProteinsDrug StabilityGene Expression RegulationGenes, mycHepatocytesHumansLiver NeoplasmsMiceMice, SCIDMutationTrans-ActivatorsTransfectionTumor Necrosis Factor-alphaConceptsHuman hepatocellular carcinomaHepatocyte proliferationCell linesCommon malignant tumorCell proliferationImmune-deficient miceCell survival abilityLiver cell growthMurine hepatocyte cell lineCell growthHepatocyte cell lineAnchorage-independent cell growthMalignant tumorsHepatocellular carcinomaLiver cancerCyclin D1Inhibits TNFαOncogenic transformationCell apoptosisBeta-catenin mutationsAct DΒ-cateninPotential roleC-MycTumors
2003
Interleukin-1 Inhibits Hepatitis C Virus Subgenomic RNA Replication by Activation of Extracellular Regulated Kinase Pathway
Zhu H, Liu C. Interleukin-1 Inhibits Hepatitis C Virus Subgenomic RNA Replication by Activation of Extracellular Regulated Kinase Pathway. Journal Of Virology 2003, 77: 5493-5498. PMID: 12692250, PMCID: PMC153991, DOI: 10.1128/jvi.77.9.5493-5498.2003.Peer-Reviewed Original ResearchConceptsInterferon-stimulated genesHepatitis C virusInterleukin-1Antiviral activityHCV subgenomic RNA replicationDirect antiviral activityIL-1 productionReplicon cell linesNovel antiviral pathwayViral protein expressionViral clearanceC virusChronic infectionInflammatory processRNA replicationExtracellular-regulated kinase (ERK) pathwayAntiviral pathwaysInhibitory effectProtein expressionCell linesKinase pathwayKinase activationActivationPatientsInfection
1994
Identification of factor-binding sites in the duck hepatitis B virus enhancer and in vivo effects of enhancer mutations.
Liu C, Mason W, Burch J. Identification of factor-binding sites in the duck hepatitis B virus enhancer and in vivo effects of enhancer mutations. Journal Of Virology 1994, 68: 2286-96. PMID: 8139013, PMCID: PMC236704, DOI: 10.1128/jvi.68.4.2286-2296.1994.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell NucleusCells, CulturedDNA Mutational AnalysisDNA-Binding ProteinsDNA, ViralDucksEnhancer Elements, GeneticHepatitis B Virus, DuckHepatocyte Nuclear Factor 1Hepatocyte Nuclear Factor 1-betaLiverMolecular Sequence DataMutagenesis, Site-DirectedNuclear ProteinsPancreasProtein BindingTranscription FactorsConceptsHepatitis B virus enhancerVirus replicationDuck hepatitis B virus replicationHepatitis B virus replicationB virus replicationHepatitis B virusCore gene promoterLMH chicken hepatoma cellsHuman growth hormoneB virusLiver-enriched transcription factorsTwo- to fourfoldVivo effectsIntact viral genomeGrowth hormoneVirus enhancerPrimary hepatocyte culturesShort-term assaysProductive infectionSignificant inhibitionVirus RNA synthesisVirusCell linesHepatoma cellsFactor-binding sites