1985
Influence of Theophylline on Fetal Rat Lung Phosphatidylcholine Synthesis in vivo
Moya F, Gross I. Influence of Theophylline on Fetal Rat Lung Phosphatidylcholine Synthesis in vivo. Neonatology 1985, 8: 9-16. PMID: 3987490, DOI: 10.1159/000457017.Peer-Reviewed Original ResearchConceptsSerum levelsFetal lung surfactant productionInfluence of theophyllineLung tissue concentrationsElevated serum levelsDoses of theophyllineLung surfactant productionPhosphatidylcholine synthesisMaternal ratioPregnant ratsIntraperitoneal administrationTissue concentrationsRate of incorporationSurfactant productionTheophyllineVivoFetusesRatsAdministrationDoses
1983
Corticosteroid Stimulation of Phosphatidylcholine Synthesis in Cultured Fetal Rabbit Lung: Evidence for de Novo Protein Synthesis Mediated by Glucocorticoid Receptors*
GROSS I, BALLARD P, BALLARD R, JONES C, WILSON C. Corticosteroid Stimulation of Phosphatidylcholine Synthesis in Cultured Fetal Rabbit Lung: Evidence for de Novo Protein Synthesis Mediated by Glucocorticoid Receptors*. Endocrinology 1983, 112: 829-837. PMID: 6822213, DOI: 10.1210/endo-112-3-829.Peer-Reviewed Original Research
1982
Fetal lung in organ culture. IV. Supra-additive hormone interactions
Gross I, Wilson C. Fetal lung in organ culture. IV. Supra-additive hormone interactions. Journal Of Applied Physiology 1982, 52: 1420-1425. PMID: 6286561, DOI: 10.1152/jappl.1982.52.6.1420.Peer-Reviewed Original ResearchConceptsFetal lung maturationLung maturationSupra-additive interactionOrgan cultureCombination of dexamethasoneRate of incorporationFetal rat lungVivo animal studiesHormone administrationFetal lungAnimal studiesRat lungSupra-additive stimulationThyroid hormonesNM dexamethasoneDexamethasone concentrationsMaximal stimulationLungDexamethasoneNM triiodothyroninePulmonary surfactantSignificant increaseStimulationPrecursor incorporationCyclic monophosphate
1981
Organotypic Culture of Fetal Rat Lung: Evaluation and Comparison with Organ Culture1–3
Gross I, Freedman R, Wilson C, Lindsey S. Organotypic Culture of Fetal Rat Lung: Evaluation and Comparison with Organ Culture1–3. American Journal Of Respiratory And Critical Care Medicine 1981, 123: 313-9. PMID: 7224342, DOI: 10.1164/arrd.1981.123.3.313.Peer-Reviewed Original Research
1979
The influence of hormones on the biochemical development of fetal rat lung in organ culture I. Estrogen
Gross I, Wilson C, Ingleson L, Brehier A, Rooney S. The influence of hormones on the biochemical development of fetal rat lung in organ culture I. Estrogen. Biochimica Et Biophysica Acta 1979, 575: 375-383. PMID: 518894, DOI: 10.1016/0005-2760(79)90106-1.Peer-Reviewed Original ResearchConceptsFetal rat lungPercentage of radioactivityEstrogen actsFetal lungRat lungPhospholipid fractionInfluence of hormonesProtein/DNA ratioEstrogen treatmentIncorporation of cholineLungGlycogen contentTotal phospholipidsOrgan cultureSignificant stimulationPulmonary surfactantBiochemical developmentIndividual phospholipidsPhosphatidylcholine synthesisSignificant changesPhospholipid synthesisPhospholipidsAbundant phospholipidDNA ratioRadioactivityEffects of betamethasone on phospholipid content, composition and biosynthesis in the fetal rabbit lung
Rooney S, Gobran L, Marino P, Maniscalco W, Gross I. Effects of betamethasone on phospholipid content, composition and biosynthesis in the fetal rabbit lung. Biochimica Et Biophysica Acta 1979, 572: 64-76. PMID: 216408, DOI: 10.1016/0005-2760(79)90200-5.Peer-Reviewed Original ResearchConceptsLung lavageFetal lung lavageFetal lung slicesAdministration of betamethasoneEffect of betamethasoneFetal lung maturationFetal rabbit lungPhosphatidylcholine/sphingomyelin ratioLung glycogenBetamethasone administrationLung maturationPregnant rabbitsDays gestationFetal lungLung slicesRabbit lungsStress-induced accelerationDirect administrationSphingomyelin ratioSurfactant phospholipidsBetamethasoneAdministrationRate of incorporationSurfactant productionLavage
1978
Development of glycogen and phospholipid metabolism in fetal and newborn rat lung
Maniscalco W, Wilson C, Gross I, Gobran L, Rooney S, Warshaw J. Development of glycogen and phospholipid metabolism in fetal and newborn rat lung. Biochimica Et Biophysica Acta 1978, 530: 333-346. PMID: 100141, DOI: 10.1016/0005-2760(78)90153-4.Peer-Reviewed Original ResearchConceptsNewborn rat lungGlycogen phosphorylase activityFetal lungRat lungGlycogen concentrationFetal lung glycogenFirst postnatal dayPhosphorylase activityTotal glycogen synthaseTotal glycogen phosphorylase activityMajor metabolic substratesLung glycogenPhosphatidylcholine synthesisGlycogen synthase activityIncorporation of cholinePostnatal dayGlycogen depletionDay 19LungGestationDay 20Adult lungMammalian fetusGlycogen contentTotal phospholipidsAn organ culture model for study of biochemical development of fetal rat lung
Gross I, Smith G, Maniscalco W, Czajka M, Wilson C, Rooney S. An organ culture model for study of biochemical development of fetal rat lung. Journal Of Applied Physiology 1978, 45: 355-362. PMID: 212389, DOI: 10.1152/jappl.1978.45.3.355.Peer-Reviewed Original Research
1977
Aminophylline stimulates the incorporation of choline into phospholipid in explants of fetal rat lung in organ culture
Gross I, Rooney S. Aminophylline stimulates the incorporation of choline into phospholipid in explants of fetal rat lung in organ culture. Biochimica Et Biophysica Acta 1977, 488: 263-269. PMID: 196659, DOI: 10.1016/0005-2760(77)90183-7.Peer-Reviewed Original ResearchConceptsFetal rat lungRat lungCholine incorporationIncorporation of cholineCyclic AMPCyclic AMP phosphodiesterase inhibitorDirect stimulatory effectOrgan cultureF12 mediumAminophylline treatmentDibutyryl cyclic AMPMM aminophyllinePhosphodiesterase inhibitorAminophyllineLungStimulatory effectSimilar changesAMPStimulationDirect effectSmall increaseCholine kinaseCholineExposurePhospholipids
1975
Stimulation of glycerolphosphate phosphatidyltransferase activity in fetal rabbit lung by cortisol administration
Rooney S, Gross I, Gassenheimer L, Motoyama E. Stimulation of glycerolphosphate phosphatidyltransferase activity in fetal rabbit lung by cortisol administration. Biochimica Et Biophysica Acta 1975, 398: 433-441. PMID: 1242106, DOI: 10.1016/0005-2760(75)90194-0.Peer-Reviewed Original ResearchConceptsAdministration of cortisolFetal rabbit lungLysolecithin acyltransferase activityLung maturationLiver enzymesDays gestationFetal rabbitsThyroxine treatmentGestation resultsCortisol administrationRabbit lungsCortisol treatmentDirect administrationAdministrationPulmonary surfactantSurfactant productionSignificant increaseGestationCholine phosphotransferaseAcyltransferase activityTreatmentCorticosteroidsPrevious studiesLungFetuses