2003
Impaired B cell development and function in mice with a targeted disruption of the homeobox gene Hex
Bogue CW, Zhang PX, McGrath J, Jacobs HC, Fuleihan RL. Impaired B cell development and function in mice with a targeted disruption of the homeobox gene Hex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2003, 100: 556-561. PMID: 12522149, PMCID: PMC141034, DOI: 10.1073/pnas.0236979100.Peer-Reviewed Original ResearchConceptsB cell developmentB cellsChimeric miceT cell-dependent antigensT cell-independent antigensSerum IgM levelsCell developmentMature B cellsIgM levelsImpaired B cell developmentAntibody responseIgG antibodiesPlasma cellsBone marrowAbsence of HexLymphocyte developmentMiceTargeted disruptionHomozygous disruptionAntigenCellsHomeobox gene HexMarrowDramatic increaseAntibodies
2001
Defining the specific physiological requirements for c-Myc in T cell development
Douglas N, Jacobs H, Bothwell A, Hayday A. Defining the specific physiological requirements for c-Myc in T cell development. Nature Immunology 2001, 2: 307-315. PMID: 11276201, DOI: 10.1038/86308.Peer-Reviewed Original ResearchConceptsDevelopmental gene expressionC-MycSpecific physiological requirementsMYC family membersT cell developmentAbstractc-MycN-myc expressionGene expressionDeregulated expressionCell developmentCell growthPhysiological requirementsAge-dependent mannerThymocyte maturationDN stageNormal lymphocytesExpressionNonredundant contributionsDistinct patternsFamily membersCellsLymphomagenesisMaturationLymphocytes
2000
Immunocytochemical Characterization of Murine Hex, a Homeobox-Containing Protein
Ghosh B, Ganea G, Denson L, Iannucci R, Jacobs H, Bogue C. Immunocytochemical Characterization of Murine Hex, a Homeobox-Containing Protein. Pediatric Research 2000, 48: 634-638. PMID: 11044484, DOI: 10.1203/00006450-200011000-00014.Peer-Reviewed Original ResearchConceptsMouse embryosGlutathione S-transferase fusion proteinS-transferase fusion proteinDivergent homeobox genesWhole mouse embryosTerminal amino acidsHepatic specificationHex proteinHomeobox genesMouse developmentDefinitive endodermBlood islandsNuclear localizationEndodermal cellsFusion proteinHex expressionProtein presentCultured cellsAmino acidsWhole mountsConfocal microscopyHepatic diverticulumProteinEmbryosWestern blotHex expression suggests a role in the development and function of organs derived from foregut endoderm
Bogue C, Ganea G, Sturm E, Ianucci R, Jacobs H. Hex expression suggests a role in the development and function of organs derived from foregut endoderm. Developmental Dynamics 2000, 219: 84-89. PMID: 10974674, DOI: 10.1002/1097-0177(2000)9999:9999<::aid-dvdy1028>3.0.co;2-5.Peer-Reviewed Original ResearchConceptsExtrahepatic biliary ductsMature animalsMaintenance of functionThymus originatesAdult thyroidDorsal pancreatic budLung expressionBile ductBiliary ductsThymic expressionFunction of organsDuct epitheliumLungThyroidE16.5 embryosLiverEpithelial cellsThymusSeptum transversumMesenchymal cellsPotential roleHex expressionDetectable levelsPharyngeal pouchesOrgansDivergent homeobox gene Hex regulates promoter of the Na+-dependent bile acid cotransporter
Denson L, Karpen S, Bogue C, Jacobs H. Divergent homeobox gene Hex regulates promoter of the Na+-dependent bile acid cotransporter. AJP Gastrointestinal And Liver Physiology 2000, 279: g347-g355. PMID: 10915644, DOI: 10.1152/ajpgi.2000.279.2.g347.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCarrier ProteinsCOS CellsGene Expression RegulationGenetic Complementation TestHepatoblastomaHomeodomain ProteinsHumansLiverLiver NeoplasmsMembrane Transport ProteinsMolecular Sequence DataMutagenesisOligonucleotide ProbesOrganic Anion Transporters, Sodium-DependentPromoter Regions, GeneticRatsRecombinant Fusion ProteinsSymportersTranscription FactorsTranscription, GeneticTumor Cells, CulturedConceptsHomeobox gene HexDivergent homeobox gene HexNtcp promoterHex proteinHep G2 cellsElectrophoretic mobility shift assaysMobility shift assaysHeterologous promoter constructsDominant-negative formG2 cellsSpecific nuclear proteinLuciferase reporter constructsNuclear proteinsGene promoterShift assaysCOS cellsBasal luciferase activityReporter constructsPromoter regionBile acid cotransporterPromoter constructsResponse elementNegative formPromoterAcid cotransporterHNF3β and GATA-4 transactivate the liver-enriched homeobox gene, Hex
Denson L, McClure M, Bogue C, Karpen S, Jacobs H. HNF3β and GATA-4 transactivate the liver-enriched homeobox gene, Hex. Gene 2000, 246: 311-320. PMID: 10767553, DOI: 10.1016/s0378-1119(00)00082-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCOS CellsDNADNA-Binding ProteinsGATA4 Transcription FactorGenes, HomeoboxHepatocyte Nuclear Factor 3-betaHomeodomain ProteinsHumansLiverLuciferasesMaleMiceMolecular Sequence DataNuclear ProteinsPlasmidsPromoter Regions, GeneticProtein BindingRatsRats, Sprague-DawleyRecombinant Fusion ProteinsSequence Analysis, DNASp1 Transcription FactorSp3 Transcription FactorTranscription FactorsTranscriptional ActivationTransfectionTumor Cells, Cultured
1999
Genomic structure, cDNA mapping, and chromosomal localization of the mouse homeobox gene, Hex
Ghosh B, Jacobs H, Wiedemann L, Brown A, Bedford F, Nimmakayalu M, Ward D, Bogue C. Genomic structure, cDNA mapping, and chromosomal localization of the mouse homeobox gene, Hex. Mammalian Genome 1999, 10: 1023-1025. PMID: 10501975, DOI: 10.1007/s003359901152.Peer-Reviewed Original ResearchAmino Acid SequenceAnimalsBase SequenceChromosome MappingCloning, MolecularCrosses, GeneticGenes, HomeoboxGenetic LinkageGenetic MarkersHomeodomain ProteinsIn Situ Hybridization, FluorescenceLiverMiceMice, Inbred StrainsMolecular Sequence DataRestriction MappingSequence AnalysisTranscription Factors
1998
Fetal Lung mRNA Levels of Hox Genes Are Differentially Altered by Maternal Diabetes and Butyrate in Rats
Jacobs H, Bogue C, Pinter E, Wilson C, Warshaw J, Gross I. Fetal Lung mRNA Levels of Hox Genes Are Differentially Altered by Maternal Diabetes and Butyrate in Rats. Pediatric Research 1998, 44: 99-104. PMID: 9667378, DOI: 10.1203/00006450-199807000-00016.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsButyratesButyric AcidDiabetes Mellitus, ExperimentalEmbryonic and Fetal DevelopmentFemaleGene Expression Regulation, DevelopmentalGenes, HomeoboxGestational AgeHistone Deacetylase InhibitorsLungOrgan Culture TechniquesPregnancyPregnancy in DiabeticsRatsRats, Sprague-DawleyRNA, MessengerTranscription, GeneticConceptsLung developmentLung explantsSurfactant apoproteinExperimental animalsLung mRNA levelsElevated levelsEffect of diabetesFetal rat lung explantsLungs of fetusesRat lung explantsEffect of butyrateAntenatal exposureMaternal diabetesMetabolic abnormalitiesStreptozotocin treatmentLower incidenceNormal ratsDiabetesDexamethasoneLevel of expressionRatsTreatment of explantsSodium butyrateMRNA levelsAlters expression
1997
Repeated Doses of the Perfluorocarbon FC-100 Improve Lung Function of Preterm Lambs
Moya F, Llanos A, Ríos A, Riquelme R, Moraga F, Rubio L, Salvo H, Jacobs H. Repeated Doses of the Perfluorocarbon FC-100 Improve Lung Function of Preterm Lambs. Pediatric Research 1997, 42: 893-898. PMID: 9396575, DOI: 10.1203/00006450-199712000-00028.Peer-Reviewed Original ResearchConceptsLung functionPreterm lambsInitial doseIntratracheal administrationFC-100Administration of ExosurfSurfactant-deficient animalsSynthetic surfactant ExosurfArterial blood pressureDynamic lung compliancePreterm neonatesBlood pressureLung complianceSingle doseArterial PO2Arterial PCO2Surfactant deficiencyHeart rateAdditional doseExosurfStudy periodDoseAdministrationDosesSimilar changes
1996
Retinoic acid increases surfactant protein mRNA in fetal rat lung in culture
Bogue CW, Jacobs HC, Dynia DW, Wilson CM, Gross I. Retinoic acid increases surfactant protein mRNA in fetal rat lung in culture. American Journal Of Physiology 1996, 271: l862-l868. PMID: 8944731, DOI: 10.1152/ajplung.1996.271.5.l862.Peer-Reviewed Original ResearchExpression of Hoxb genes in the developing mouse foregut and lung.
Bogue CW, Lou LJ, Vasavada H, Wilson CM, Jacobs HC. Expression of Hoxb genes in the developing mouse foregut and lung. American Journal Of Respiratory Cell And Molecular Biology 1996, 15: 163-171. PMID: 8703472, DOI: 10.1165/ajrcmb.15.2.8703472.Peer-Reviewed Original Research
1994
Identification of Hox genes in newborn lung and effects of gestational age and retinoic acid on their expression
Bogue CW, Gross I, Vasavada H, Dynia DW, Wilson CM, Jacobs HC. Identification of Hox genes in newborn lung and effects of gestational age and retinoic acid on their expression. American Journal Of Physiology 1994, 266: l448-l454. PMID: 7909996, DOI: 10.1152/ajplung.1994.266.4.l448.Peer-Reviewed Original ResearchConceptsGestational ageReverse transcription-polymerase chain reactionNewborn mouse lungRat lung explantsMouse lungRetinoic acidMRNA levelsLung explantsRat lungFetal rat lung explantsEffects of RATranscription-polymerase chain reactionM retinoic acidTime-dependent increaseNewborn lungRA treatmentFetal miceLungRodent lungsSignificant doseHigher mRNA levelsFetal tissuesDivergent homeobox gene HexGene expressionPattern of expressionHeat shock does not induce tolerance to hyperoxia
Strand C, Warshaw J, Snow K, Jacobs H. Heat shock does not induce tolerance to hyperoxia. Lung 1994, 172: 79-89. PMID: 8114515, DOI: 10.1007/bf00185079.Peer-Reviewed Original ResearchConceptsHeat shock proteinsHyperoxic exposureHyperoxic stressOxidant stressLeast partial toleranceShock proteinsComparison of lungInduced toleranceLeast partial protectionInduction of HSP70Diphenyl tetrazolium bromideClinical situationsPartial toleranceLung fibroblastsPartial protectionMinimal inductionTetrazolium bromideOverlap of mechanismsHSP70 mRNAInductionLive animalsAbility of cellsLevel of protectionExposureAnimals
1990
Effect of artificial surfactant on pulmonary function in preterm and full-term lambs
Gladstone I, Ray A, Salafia C, Perez-Fontan J, Mercurio M, Jacobs H. Effect of artificial surfactant on pulmonary function in preterm and full-term lambs. Journal Of Applied Physiology 1990, 69: 465-472. PMID: 2121700, DOI: 10.1152/jappl.1990.69.2.465.Peer-Reviewed Original ResearchConceptsFunctional residual capacityFull-term lambsMean lung volumePreterm lambsLung volumeResidual capacityTest agentsFC-100Higher minimum surface tensionsRespiratory failureLung functionPulmonary functionLung expansionAlveolar washMinimum surface tensionDynamic complianceArtificial surfactantQualitative histologyOxygenationLambsAgentsGas exchangePretermComplianceHistologyCorticosteroids and Intratracheal Surfactant Both Alter the Distribution between the Airways and Lung Tissue of Intratracheally Administered Radiolabeled Phosphatidylcholine in the Preterm Rabbit
Fiascone J, Mercurio M, Lima D, Jacobs H. Corticosteroids and Intratracheal Surfactant Both Alter the Distribution between the Airways and Lung Tissue of Intratracheally Administered Radiolabeled Phosphatidylcholine in the Preterm Rabbit. Experimental Lung Research 1990, 16: 311-321. PMID: 2394199, DOI: 10.3109/01902149009108847.Peer-Reviewed Original ResearchConceptsIntratracheal surfactantLung tissueAlveolar spaceCorticosteroid exposureMechanical ventilationRinger's lactateAntenatal corticosteroid exposurePrenatal corticosteroid exposurePreterm rabbitsLung clearanceIntratracheal injectionAlveolar lavageDay 25FetusesClearanceVentilationAirwayRadiolabel distributionLactateTissueRabbitsExposureRadiolabelCorticosteroidsLavage
1989
Antenatal steroids, postnatal surfactant, and pulmonary function in premature rabbits
Gladstone I, Mercurio M, Devenny S, Jacobs H. Antenatal steroids, postnatal surfactant, and pulmonary function in premature rabbits. Journal Of Applied Physiology 1989, 67: 1377-1382. PMID: 2793738, DOI: 10.1152/jappl.1989.67.4.1377.Peer-Reviewed Original ResearchConceptsDynamic compliancePulmonary functionLung resistanceTotal lung conductanceTotal lung resistancePulmonary function testsRespiratory distress syndromeConsistent tidal volumeAntenatal corticosteroidsAntenatal steroidsIntramuscular betamethasonePostnatal surfactantDistress syndromeFunction testsCombination therapyPulmonary mechanicsExpiratory timePremature rabbitsTidal volumeStatic complianceLung conductanceFirst breathDay 27Day 25SteroidsSurface tension and pulmonary compliance in premature rabbits
Mercurio M, Fiascone J, Lima D, Jacobs H. Surface tension and pulmonary compliance in premature rabbits. Journal Of Applied Physiology 1989, 66: 2039-2044. PMID: 2745272, DOI: 10.1152/jappl.1989.66.5.2039.Peer-Reviewed Original Research
1988
Reutilization of surfactant phosphatidylglycerol and lysophosphatidylcholine by adult rabbits
Jacobs H, Lima D, Fiascone J, Mercurio M. Reutilization of surfactant phosphatidylglycerol and lysophosphatidylcholine by adult rabbits. Biochimica Et Biophysica Acta 1988, 962: 227-233. PMID: 3167080, DOI: 10.1016/0005-2760(88)90164-6.Peer-Reviewed Original Research
1987
Betamethasone Increases Pulmonary Compliance in Part by Surfactant-Independent Mechanisms in Preterm Rabbits
Fiascone J, Jacobs H, Moya F, Mercurio M, Lima D. Betamethasone Increases Pulmonary Compliance in Part by Surfactant-Independent Mechanisms in Preterm Rabbits. Pediatric Research 1987, 22: 730-735. PMID: 3431959, DOI: 10.1203/00006450-198712000-00024.Peer-Reviewed Original ResearchConceptsAntenatal corticosteroidsIntratracheal surfactantPulmonary complianceDynamic complianceAlveolar surfactant contentHigher dynamic complianceAntenatal exposurePreterm rabbitsPreterm animalsSingle therapyAlveolar lavageTidal volumeCorticosteroidsFirst breathFetusesDay 25Compliance studiesVentilationRabbitsComplianceCompliance measurementsLavageGestationBetamethasoneTherapyThresholds for physiological effects of plasma catecholamines in fetal sheep
Padbury J, Ludlow J, Ervin M, Jacobs H, Humme J. Thresholds for physiological effects of plasma catecholamines in fetal sheep. American Journal Of Physiology 1987, 252: e530-e537. PMID: 3565562, DOI: 10.1152/ajpendo.1987.252.4.e530.Peer-Reviewed Original ResearchConceptsBlood pressurePlasma concentrationsFetal sheepPg/Plasma free fatty acidsDiastolic blood pressureSystolic blood pressurePlasma catecholamine levelsFull-term animalsInfusion of norepinephrineMinimum plasma concentrationDose-response curvePlasma catecholamine valuesInfused norepinephrineHigher peak responsesNeonatal adaptationCatecholamine levelsPlasma catecholaminesPreterm animalsFree fatty acidsGlucose levelsE concentrationsCatecholamine valuesNorepinephrineMarked increase