2016
Radiation Therapy Induces Macrophages to Suppress T-Cell Responses Against Pancreatic Tumors in Mice
Seifert L, Werba G, Tiwari S, Ly N, Nguy S, Alothman S, Alqunaibit D, Avanzi A, Daley D, Barilla R, Tippens D, Torres-Hernandez A, Hundeyin M, Mani VR, Hajdu C, Pellicciotta I, Oh P, Du K, Miller G. Radiation Therapy Induces Macrophages to Suppress T-Cell Responses Against Pancreatic Tumors in Mice. Gastroenterology 2016, 150: 1659-1672.e5. PMID: 26946344, PMCID: PMC4909514, DOI: 10.1053/j.gastro.2016.02.070.Peer-Reviewed Original ResearchConceptsPancreatic ductal adenocarcinomaImmune suppressive phenotypeT cell responsesRadiation therapyT cellsTumor growthControl micePancreatic tumorsT cell-mediated anti-tumor responsesAdvanced unresectable pancreatic ductal adenocarcinomaAnti-tumor T cell responsesInvasive pancreatic ductal adenocarcinomaSuppress T cell responsesUnresectable pancreatic ductal adenocarcinomaMurine pancreatic ductal adenocarcinomaPancreatic intraepithelial lesionsAnti-tumor responseT helper 2Treatment of patientsRegulatory cell phenotypeM2-like phenotypePhenotype of macrophagesAdoptive transferKC miceUnexposed mice
2013
Inhibition of Hsp27 Radiosensitizes Head-and-Neck Cancer by Modulating Deoxyribonucleic Acid Repair
Guttmann DM, Hart L, Du K, Seletsky A, Koumenis C. Inhibition of Hsp27 Radiosensitizes Head-and-Neck Cancer by Modulating Deoxyribonucleic Acid Repair. International Journal Of Radiation Oncology • Biology • Physics 2013, 87: 168-175. PMID: 23849696, DOI: 10.1016/j.ijrobp.2013.05.028.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsCell Line, TumorDNA RepairDNA, NeoplasmDNA-Binding ProteinsGene Knockdown TechniquesHead and Neck NeoplasmsHistonesHSP27 Heat-Shock ProteinsHumansMiceMice, NudeOligonucleotidesProtein Serine-Threonine KinasesRadiation ToleranceRNA, Small InterferingTumor Suppressor ProteinsConceptsShort hairpin RNANeck cancer cell linesCancer cell linesNeck cancerNude miceTumor growthHsp27 knockdownRadiotherapy of headFractionated radiation therapyFaDu human headEffect of Hsp27Cell linesEffective clinical agentRole of HSP27LNA treatmentFlank tumorsRadiation therapyTumor xenograftsDeoxyribonucleic acid repairTumor radiosensitizationClonogenic survivalClinical agentsHairpin RNAHSP27DNA repair signaling
2005
Myocardin-related transcription factor B is required in cardiac neural crest for smooth muscle differentiation and cardiovascular development
Li J, Zhu X, Chen M, Cheng L, Zhou D, Lu MM, Du K, Epstein JA, Parmacek MS. Myocardin-related transcription factor B is required in cardiac neural crest for smooth muscle differentiation and cardiovascular development. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 8916-8921. PMID: 15951419, PMCID: PMC1157054, DOI: 10.1073/pnas.0503741102.Peer-Reviewed Original ResearchConceptsCardiac neural crest cellsNeural crest cellsNeural crestTranscription factorsMuscle differentiationSmooth muscle differentiationCrest cellsSmooth muscle cell differentiationTranscription factor BArch arteriesWnt-1 promoterCardiac outflow tract defectsMuscle cell differentiationMutant allele resultsNormal cardiovascular morphogenesisPremigratory neural crestCardiac neural crestGene trap micePattern of expressionCritical roleTranscriptional controlGene trapOutflow tract defectsAortic arch arteriesInsertional mutation
2004
Megakaryoblastic Leukemia Factor-1 Transduces Cytoskeletal Signals and Induces Smooth Muscle Cell Differentiation from Undifferentiated Embryonic Stem Cells*
Du KL, Chen M, Li J, Lepore JJ, Mericko P, Parmacek MS. Megakaryoblastic Leukemia Factor-1 Transduces Cytoskeletal Signals and Induces Smooth Muscle Cell Differentiation from Undifferentiated Embryonic Stem Cells*. Journal Of Biological Chemistry 2004, 279: 17578-17586. PMID: 14970199, DOI: 10.1074/jbc.m400961200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, NorthernCell DifferentiationCell NucleusCells, CulturedChromatinCOS CellsCytoplasmCytoskeletonDNA, ComplementaryDNA-Binding ProteinsEmbryo, MammalianGenes, DominantHumansImmunohistochemistryLuciferasesMiceMyocytes, Smooth MuscleNIH 3T3 CellsNuclear ProteinsOncogene Proteins, FusionPlasmidsPrecipitin TestsPromoter Regions, GeneticProtein BindingProtein Structure, TertiaryProtein TransportReverse Transcriptase Polymerase Chain ReactionSignal TransductionStem CellsTissue DistributionTrans-ActivatorsTranscriptional ActivationTransfectionTwo-Hybrid System TechniquesConceptsSmooth muscle cell differentiationMuscle cell differentiationEmbryonic stem cellsPromoter/enhancerSmooth muscle cellsRhoA signalingSM22alpha promoterCell differentiationUndifferentiated embryonic stem cellsSerum response factorTranscription factor myocardinLeucine zipper domainTranscriptional regulatory elementsStem cellsMost human tissuesCytoskeletal signalsTranscriptional programsTransduce signalsMKL1 mutantSMC differentiationZipper domainRegulatory elementsActin polymerizationMKL1 geneSerum stimulation
2003
Myocardin Is a Critical Serum Response Factor Cofactor in the Transcriptional Program Regulating Smooth Muscle Cell Differentiation
Du KL, Ip HS, Li J, Chen M, Dandre F, Yu W, Lu MM, Owens GK, Parmacek MS. Myocardin Is a Critical Serum Response Factor Cofactor in the Transcriptional Program Regulating Smooth Muscle Cell Differentiation. Molecular And Cellular Biology 2003, 23: 2425-2437. PMID: 12640126, PMCID: PMC150745, DOI: 10.1128/mcb.23.7.2425-2437.2003.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCell DifferentiationCells, CulturedCOS CellsDNA, ComplementaryGene Expression Regulation, DevelopmentalHumansMiceMicrofilament ProteinsMolecular Sequence DataMuscle ProteinsMuscle, SmoothMuscle, Smooth, VascularMyocardiumNuclear ProteinsOrgan SpecificityPromoter Regions, GeneticRatsRNA, Small InterferingSequence AlignmentSerum Response FactorStem CellsTrans-ActivatorsTranscriptional ActivationConceptsSerum response factorExpression of myocardinTranscriptional programsSerum Response Factor CofactorMyocardin geneSRF DNA-binding domainSmooth muscle cell lineageFunction of myocardinSmooth muscle cell differentiationDNA-binding domainMuscle cell lineageMuscle cell differentiationTranscription factor myocardinTranscriptional regulatory elementsUndifferentiated mouse ES cellsEmbryonic stem cellsMouse ES cellsAlpha promoter activitySmooth muscle alpha-actinSM22 alphaMuscle alpha-actinMutant proteinsVisceral SMCsEmbryonic developmentRegulatory elements
2002
SM22β encodes a lineage-restricted cytoskeletal protein with a unique developmentally regulated pattern of expression
Zhang JC, Helmke BP, Shum A, Du K, Yu WW, Lu MM, Davies PF, Parmacek MS. SM22β encodes a lineage-restricted cytoskeletal protein with a unique developmentally regulated pattern of expression. Cells And Development 2002, 115: 161-166. PMID: 12049783, DOI: 10.1016/s0925-4773(02)00088-6.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAmino Acid SequenceAnimalsBase SequenceCell LineageCells, CulturedCytoskeletal ProteinsDNA, ComplementaryGene Expression ProfilingGene Expression Regulation, DevelopmentalHumansMiceMolecular Sequence DataMuscle ProteinsMuscle, Smooth, VascularRatsSubcellular FractionsTissue DistributionConceptsCytoskeletal proteinsRegulated patternLineage-restricted patternsMouse embryonic developmentMuscle-specific proteinsCytoskeletal actin filamentsRegulated genesNovel actinNeuron-specific proteinRepeat domainEmbryonic developmentAcid polypeptideSequence identitySpecific proteinsActin filamentsIntracellular signalingLung mesenchymeGastrointestinal epithelial cellsSM22alphaCartilaginous primordiaProteinCellular morphologySmooth muscle cellsEpithelial cellsMuscle cells
2001
Binding of Serum Response Factor to CArG Box Sequences Is Necessary but Not Sufficient to Restrict Gene Expression to Arterial Smooth Muscle Cells*
Strobeck M, Kim S, Zhang J, Clendenin C, Du K, Parmacek M. Binding of Serum Response Factor to CArG Box Sequences Is Necessary but Not Sufficient to Restrict Gene Expression to Arterial Smooth Muscle Cells*. Journal Of Biological Chemistry 2001, 276: 16418-16424. PMID: 11279108, DOI: 10.1074/jbc.m100631200.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated Regions3T3 Cells5' Untranslated RegionsAnimalsAortaArteriesBase SequenceBeta-GalactosidaseBinding SitesCell LineCells, CulturedDNA-Binding ProteinsGene Expression RegulationGenes, fosHeartHeLa CellsHumansMiceMice, TransgenicMicrofilament ProteinsMolecular Sequence DataMuscle ProteinsMuscle, Smooth, VascularNuclear ProteinsPromoter Regions, GeneticRatsSequence DeletionSerum Response FactorTranscription FactorsConceptsSerum response factorBinding of SRFC-fos SRESM22alpha promoterCArG boxBind serum response factorActivity of SRFSmooth muscle cell developmentArterial SMCsMuscle cell developmentResponse factorTransgenic miceProtein binding assaysTransgene expressionBox sequenceDeletion analysisNuclear proteinsSME-1Arterial smooth muscle cellsGene expressionPromoter activityMolecular mechanismsCell developmentPromoterSmooth muscle cellsAnalysis of SM22α-Deficient Mice Reveals Unanticipated Insights into Smooth Muscle Cell Differentiation and Function
Zhang J, Kim S, Helmke B, Yu W, Du K, Lu M, Strobeck M, Yu Q, Parmacek M. Analysis of SM22α-Deficient Mice Reveals Unanticipated Insights into Smooth Muscle Cell Differentiation and Function. Molecular And Cellular Biology 2001, 21: 1336-1344. PMID: 11158319, PMCID: PMC99586, DOI: 10.1128/mcb.2001.21.4.1336-1344.2001.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationEmbryonic and Fetal DevelopmentGene Expression Regulation, DevelopmentalGene TargetingLac OperonMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMicrofilament ProteinsMuscle DevelopmentMuscle ProteinsMuscle, SmoothSignal TransductionTranscriptional ActivationConceptsVisceral SMCsBacterial lacZ reporter geneLocal mesenchymeWestern blot analysisSmooth muscle cell differentiationBeta-galactosidase activityBlood pressureControl littermatesHeart ratePostnatal developmentHomeostatic functionsHistological analysisMiceContractile SMCsBlot analysisDorsal aortaLittermatesAngiogenic programMuscle cell differentiationSM22alphaYolk sacCephalic mesenchymeCell differentiationLacZ reporter geneDetectable beta-galactosidase activity