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
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 expression
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 25Steroids
1987
Thresholds 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
1986
Left ventricular performance and contractility before and after volume infusion: a comparative study of preterm and full-term newborn lambs.
Baylen B, Ogata H, Ikegami M, Jacobs H, Jobe A, Emmanouilides G. Left ventricular performance and contractility before and after volume infusion: a comparative study of preterm and full-term newborn lambs. Circulation 1986, 73: 1042-1049. PMID: 3754496, DOI: 10.1161/01.cir.73.5.1042.Peer-Reviewed Original ResearchConceptsFull-term lambsLeft ventricular performanceVolume infusionPreterm lambsVentricular performanceStroke workLeft ventricular peak dP/dtLeft ventricleVentricular peak dP/dtLeft ventricular end-diastolic volumeFull-term newborn lambsVentricular end-diastolic volumeLeft ventricular stroke workPeak dP/dtGreater stroke workPostnatal circulatory adaptationSystemic vascular resistanceVentricular stroke workFull-term animalsDays gestational ageEnd-diastolic volumeLeft ventricular pressureDP/dtVascular resistancePulmonary function
1985
Effects of high-frequency and conventional ventilation on the premature lamb lung
Solimano A, Bryan C, Jobe A, Ikegami M, Jacobs H. Effects of high-frequency and conventional ventilation on the premature lamb lung. Journal Of Applied Physiology 1985, 59: 1571-1577. PMID: 3840801, DOI: 10.1152/jappl.1985.59.5.1571.Peer-Reviewed Original ResearchConceptsMean airway pressureConventional mechanical ventilationProtein leakPremature lamb lungsFetal lung fluidRespiratory distress syndromeDays gestational ageDegree of leakHigh-frequency oscillationsGroups of lambsAirway pressureCesarean sectionDistress syndromeGestational ageConventional ventilationMechanical ventilationPathological findingsLung diseaseBlood gasesImmature lungVentilator settingsEpithelial necrosisBlood gasLung sectionsTracer doseLeakage of protein in the immature rabbit lung; effect of surfactant replacement
Robertson B, Berry D, Curstedt T, Grossmann G, Machiko I, Jacobs H, Jobe A, Jones S. Leakage of protein in the immature rabbit lung; effect of surfactant replacement. Respiratory Physiology & Neurobiology 1985, 61: 265-276. PMID: 3840603, DOI: 10.1016/0034-5687(85)90070-2.Peer-Reviewed Original ResearchConceptsSurfactant-treated animalsControl animalsSurfactant replacementAlveolar wash samplesOnset of ventilationAverage tidal volumeImmature rabbit lungsImmature newborn rabbitsInsufflation pressureImmature lungSurfactant inhibitorsTidal volumeRabbit lungsAlveolar compartmentNewborn rabbitsDay 27Wash samplesPrevious treatmentLeakage of proteinsLung protein leaks in ventilated lambs: effects of gestational age
Jobe A, Jacobs H, Ikegami M, Berry D. Lung protein leaks in ventilated lambs: effects of gestational age. Journal Of Applied Physiology 1985, 58: 1246-1251. PMID: 3988678, DOI: 10.1152/jappl.1985.58.4.1246.Peer-Reviewed Original ResearchConceptsDays gestational ageGestational ageFull-term lambsGroups of lambsVentilated lambsLung tissueAlveolar washBlood gas valuesNatural sheep surfactantPremature lambsPreterm lambsPremature lungIntravascular injectionSheep surfactantLung proteinGas valuesPCO2 valuesAgeAlveoliAirwayLambsBidirectional fluxesTissueGroupAlbumin
1984
Lack of correlation of severity of lung disease with the phosphatidylcholine concentration in fetal lung fluid from premature lambs at 133-136 days gestational age.
Jobe A, Jacobs H, Ikegami M. Lack of correlation of severity of lung disease with the phosphatidylcholine concentration in fetal lung fluid from premature lambs at 133-136 days gestational age. Journal Of Developmental Physiology 1984, 6: 417-21. PMID: 6568247.Peer-Reviewed Original ResearchConceptsFetal lung fluidPeak inspiratory pressureDays gestational ageLung diseaseLung fluidPremature lambsGestational ageInspiratory pressureConcentration of phosphatidylcholinePhosphatidylcholine concentrationNarrow gestational age rangePhosphatidylcholine pool sizesGestational age rangeTime of deliveryLung compliance valuesMechanical ventilationAlveolar washTotal phosphatidylcholineDiseaseAge rangeSeverityLack of correlationAgeLambsCompliance valuesSurfactant and pulmonary blood flow distributions following treatment of premature lambs with natural surfactant.
Jobe A, Ikegami M, Jacobs H, Jones S. Surfactant and pulmonary blood flow distributions following treatment of premature lambs with natural surfactant. Journal Of Clinical Investigation 1984, 73: 848-856. PMID: 6546766, PMCID: PMC425089, DOI: 10.1172/jci111280.Peer-Reviewed Original ResearchConceptsPieces of lungBlood flow distributionPulmonary blood flow distributionLungs of lambsMechanical ventilationRight ductal shuntPulmonary blood flowConstant distending pressurePeriod of ventilationGroups of lambsDuctal shuntPremature lambsAtelectatic areasSurfactant instillationVentricular outputTracheal instillationDistending pressureBlood flowLungLung piecesVentilationInstillationBirthLambsNatural surfactant
1983
Permeability of premature lamb lungs to protein and the effect of surfactant on that permeability
Jobe A, Ikegami M, Jacobs H, Jones S, Conaway D. Permeability of premature lamb lungs to protein and the effect of surfactant on that permeability. Journal Of Applied Physiology 1983, 55: 169-176. PMID: 6554276, DOI: 10.1152/jappl.1983.55.1.169.Peer-Reviewed Original Research