2000
Accumulation of Synaptosomal-Associated Protein of 25 kDa (SNAP-25) and Other Proteins Associated with the Secretory Pathway in GH4C1 Cells Upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor*
Lee M, Zhu Y, Sun Z, Rhee H, Jeromin A, Roder J, Dannies P. Accumulation of Synaptosomal-Associated Protein of 25 kDa (SNAP-25) and Other Proteins Associated with the Secretory Pathway in GH4C1 Cells Upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor*. Endocrinology 2000, 141: 3485-3492. DOI: 10.1210/en.141.9.3485.Peer-Reviewed Original ResearchSNAP-25Secretory pathwaySynaptosomal-associated proteinSynaptotagmin IIIEpidermal growth factorCyclophilin BTreatment of GH4C1 cellsSecretory granulesSecretory granule accumulationGH4C1 cellsGlucose-regulated protein 94Rat pituitary GH4C1 cellsHormone-treated cellsInduction of proteinsPituitary GH4C1 cellsSynaptotagmin IRNA accumulationPlasma membraneSynaptotagminMessenger RNA accumulationInduced accumulationCell surfaceGranule accumulationProteinGrowth factorAccumulation of Synaptosomal-Associated Protein of 25 kDa (SNAP-25) and Other Proteins Associated with the Secretory Pathway in GH4C1 Cells Upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor
Lee M, Zhu Y, Sun Z, Rhee H, Jeromin A, Roder J, Dannies P. Accumulation of Synaptosomal-Associated Protein of 25 kDa (SNAP-25) and Other Proteins Associated with the Secretory Pathway in GH4C1 Cells Upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor. Endocrinology 2000, 141: 3485-3492. PMID: 10965922, DOI: 10.1210/endo.141.9.7647.Peer-Reviewed Original ResearchConceptsSecretory pathwayEpidermal growth factorSynaptotagmin IIICyclophilin BGH4C1 cellsInduction of proteinsGrowth factorGlucose-regulated protein 94Rat pituitary GH4C1 cellsSecretory granulesSynaptosomal-associated proteinMessenger RNA accumulationMembrane proteinsPituitary GH4C1 cellsSynaptosomal associated proteinRNA accumulationPlasma membraneProtein AssociatedSpecific proteinsSynaptotagmin IHormone-treated cellsSNAP-25Protein 94Secretory granule accumulationCoordinate event
1998
Stabilization of the Receptor Protein Tyrosine Phosphatase-Like Protein ICA512 in GH4C1 Cells upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor*
Lee M, Dirkx R, Solimena M, Dannies P. Stabilization of the Receptor Protein Tyrosine Phosphatase-Like Protein ICA512 in GH4C1 Cells upon Treatment with Estradiol, Insulin, and Epidermal Growth Factor*. Endocrinology 1998, 139: 2727-2733. DOI: 10.1210/en.139.6.2727.Peer-Reviewed Original ResearchSecretory granule membranesEpidermal growth factorGTP-binding protein Rab3Granule membranesSecretory granule accumulationSecretory granule compartmentAssociated with secretory granule membranesTyrosine phosphatase-like proteinPhosphatase-like proteinGH4C1 cellsProlactin storageGH4C1 rat pituitary tumor cellsIncreased transcriptionPulse-chase procedureMature formRat pituitary tumor cellsSecretory granulesGranule compartmentGranule accumulationTreated cellsGrowth factorUntreated cellsPituitary tumor cellsMessenger RNAICA512
1997
Inefficient secretion of human H27A-prolactin, a mutant that does not bind Zn2+.
Sun Z, Lee M, Rhee H, Arrandale J, Dannies P. Inefficient secretion of human H27A-prolactin, a mutant that does not bind Zn2+. Endocrinology 1997, 11: 1544-51. PMID: 9280069, DOI: 10.1210/mend.11.10.0002.Peer-Reviewed Original Research
1995
Lack of correlation of distribution of prolactin (PRL) charge isoforms with induction of PRL storage
Mastro R, Dannies P. Lack of correlation of distribution of prolactin (PRL) charge isoforms with induction of PRL storage. Endocrinology 1995, 136: 69-74. PMID: 7828559, DOI: 10.1210/endo.136.1.7828559.Peer-Reviewed Original ResearchConceptsEpidermal growth factorNormal lactotrophsGH4C1 cellsGrowth factorForms of PRLFemale rat pituitary glandsNM epidermal growth factorRat pituitary glandDense core granulesRat pituitary tumor cellsPRL storagePituitary tumor cellsNM estradiolTotal PRLPituitary glandPRLTumor cellsCore granulesInsulinNM insulinLack of correlationLactotrophs
1994
Inhibition of rat prolactin (PRL) storage by coexpression of human PRL.
Arrandale J, Dannies P. Inhibition of rat prolactin (PRL) storage by coexpression of human PRL. Endocrinology 1994, 8: 1083-1090. PMID: 7997234, DOI: 10.1210/mend.8.8.7997234.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAsparagineBiological TransportCell CompartmentationCytoplasmic GranulesEpidermal Growth FactorEstradiolGene ExpressionHumansInsulinModels, MolecularPituitary NeoplasmsProlactinProtein ConformationRatsRecombinant Fusion ProteinsSerineSpecies SpecificityTransfectionTumor Cells, CulturedConceptsHuman PRLRat PRLGH4C1 cellsReceptor-mediated mechanismNM epidermal growth factorSecretory granulesNM estradiolDense-core secretory granulesEpidermal growth factorHormone treatmentPRL storageProlactin storagePRLGrowth factorNM insulinMore ratsUntransfected cellsRatsRegulated pathwayControl culturesCellsInhibitionMarked specificity
1991
Ca2+ channel agonists enhance thyrotropin-releasing hormone-induced inositol phosphates and prolactin secretion
Pachter J, Law G, Dannies P. Ca2+ channel agonists enhance thyrotropin-releasing hormone-induced inositol phosphates and prolactin secretion. European Journal Of Pharmacology 1991, 195: 373-379. PMID: 1714395, DOI: 10.1016/0014-2999(91)90478-9.Peer-Reviewed Original ResearchMeSH Keywords3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAnimalsCalciumCalcium Channel AgonistsCalcium Channel BlockersCalcium RadioisotopesDihydropyridinesFemaleIn Vitro TechniquesInositol PhosphatesNimodipinePerfusionProlactinPyridinesRatsRats, Inbred StrainsReceptors, PurinergicThyrotropin-Releasing HormoneConceptsBay K 8644Basal prolactin secretionProlactin secretionChannel activator Bay K 8644Potentiation of TRHChannel antagonist nimodipineAnterior pituitary cellsAnterior pituitary tumor cellsEnhancement of basalAccumulation of inositolSDZ 202Antagonist nimodipinePituitary tumor cellsInositol polyphosphate accumulationCGP 28392Dihydropyridine Ca2Hormone secretionChannel agonistDihydropyridine agonistPituitary cellsTRHTumor cellsSecretionGH4C1 cellsPrimary cultures
1990
Prolactin and insulin are targeted to the regulated pathway in GH4C1 cells, but their storage is differentially regulated.
Reaves B, Van Itallie C, Moore H, Dannies P. Prolactin and insulin are targeted to the regulated pathway in GH4C1 cells, but their storage is differentially regulated. Endocrinology 1990, 4: 1017-26. PMID: 2284004, DOI: 10.1210/mend-4-7-1017.Peer-Reviewed Original ResearchConceptsGH4C1 cellsEpidermal growth factorPRL synthesisGrowth factorPreferential increaseCombination of estradiolRegulated pathwayRat pituitary tumor cellsIntracellular PRLPituitary tumor cellsBasal releasePRL releaseIntracellular proinsulinSame time courseHormone treatmentPRL storageTumor cellsProinsulin immunoreactivityMRNA levelsPRLInsulinSame peak heightHormoneProinsulinTreatmentThapsigargin, but not caffeine, blocks the ability of thyrotropin-releasing hormone to release Ca2+ from an intracellular store in GH4C1 pituitary cells
Law G, Pachter J, Thastrup O, Hanley M, Dannies P. Thapsigargin, but not caffeine, blocks the ability of thyrotropin-releasing hormone to release Ca2+ from an intracellular store in GH4C1 pituitary cells. Biochemical Journal 1990, 267: 359-364. PMID: 1692207, PMCID: PMC1131296, DOI: 10.1042/bj2670359.Peer-Reviewed Original ResearchMeSH Keywords3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAnimalsCaffeineCalciumCell LineInositol PhosphatesKineticsNimodipinePituitary NeoplasmsPlants, MedicinalProlactinTerpenesThapsigarginThyrotropin-Releasing HormoneTumor Cells, CulturedConceptsThyrotropin-releasing hormoneGH4C1 pituitary cellsPituitary cellsIntracellular storesGH4C1 cellsAbility of TRHBay K 8644Cytosolic free Ca2Action of thapsigarginInsP3-sensitive storesSustained elevationChannel blockersReceptor levelsTRH stimulationExtracellular Ca2Intracellular Ca2Transient increaseFree Ca2ThapsigarginSubsequent spikesHormoneCell typesCa2CellsEffluxComparison of the Regulation of Carboxypeptidase E and Prolactin in GH4C1 Cells, a Rat Pituitary Cell Line
Flicker L, Reaves B, Das B, Dannies P. Comparison of the Regulation of Carboxypeptidase E and Prolactin in GH4C1 Cells, a Rat Pituitary Cell Line. Neuroendocrinology 1990, 51: 658-663. PMID: 2114002, DOI: 10.1159/000125407.Peer-Reviewed Original ResearchConceptsGH4C1 cellsPituitary cell lineEpidermal growth factorNM thyrotropin-releasing hormoneCarboxypeptidase ECell linesCPE activityGrowth factorThyrotropin-releasing hormoneLevels of prolactinCPE mRNAAnterior pituitary cell lineIntracellular levelsSecretory granulesRat anterior pituitary cell lineRat pituitary cell lineGH4C1 cell lineProlactinControl valuesIntracellular prolactinTreatmentNorthern blot analysisBlot analysisEstradiolInsulin
1988
TRH and BAY K 8644 synergistically stimulate prolactin release but not 45Ca2+ uptake
Pachter J, Law G, Dannies P. TRH and BAY K 8644 synergistically stimulate prolactin release but not 45Ca2+ uptake. American Journal Of Physiology 1988, 255: c633-c640. PMID: 2461093, DOI: 10.1152/ajpcell.1988.255.5.c633.Peer-Reviewed Original ResearchConceptsBay K 8644Thyrotropin-releasing hormoneProlactin secretionAngiotensin IIProlactin releaseChannel agonist Bay K 8644Agonist Bay K 8644Rat anterior pituitary cellsFluorescent indicator indo-1Anterior pituitary cellsDihydropyridine-sensitive Ca2Indicator indo-1Primary cultured cellsSecretory peaksPituitary cellsSubsequent stimulationIndo-1Transient increaseCytosolic Ca2GH4C1 cellsPrimary culturesSecretionUntreated cellsAdditional effectCultured cells
1987
Regulation of Prolactin Production and Cell Growth by Estradiol: Difference in Sensitivity to Estradiol Occurs at Level of Messenger Ribonucleic Acid Accumulation*
AMARA J, VAN ITALLIE C, DANNIES P. Regulation of Prolactin Production and Cell Growth by Estradiol: Difference in Sensitivity to Estradiol Occurs at Level of Messenger Ribonucleic Acid Accumulation*. Endocrinology 1987, 120: 264-271. PMID: 3780563, DOI: 10.1210/endo-120-1-264.Peer-Reviewed Original ResearchConceptsPRL productionMaximal stimulationGH4C1 cellsOrder of potencyMessenger ribonucleic acid accumulationBiological effectsBeta-EstradiolCell growthEstrogen concentrationsProlactin productionEthynyl estradiolFull agonistSame receptorEstradiolStimulationEstrogenPRL mRNAEffective concentrationAnalog potencyPotencyCellsRibonucleic acid accumulationMRNA
1986
Hormonal Induction of Secretory Granules in a Pituitary Tumor Cell Line*
SCAMMELL J, BURRAGE T, DANNIES P. Hormonal Induction of Secretory Granules in a Pituitary Tumor Cell Line*. Endocrinology 1986, 119: 1543-1548. PMID: 3530721, DOI: 10.1210/endo-119-4-1543.Peer-Reviewed Original ResearchConceptsGH4C1 cellsIntracellular PRLSecretory granulesCombination of estradiolNumber of granulesPituitary tumor cell linePRL accumulationHormone regimenTumor cell strainsEpidermal growth factorHormone treatmentTumor cell linesPRLGrowth factorControl levelsOccasional granulesCell linesHormonal inductionGHCell strainsCellsGranule numberTreatmentCellular contentStorage granules
1985
Comparison of patterns of prolactin release in GH4C1 cells and primary pituitary cultures
Delbeke D, Kojima I, Dannies P. Comparison of patterns of prolactin release in GH4C1 cells and primary pituitary cultures. Molecular And Cellular Endocrinology 1985, 43: 15-22. PMID: 3934015, DOI: 10.1016/0303-7207(85)90037-1.Peer-Reviewed Original Research
1984
Synergistic stimulation of prolactin release by phorbol ester, A23187 and forskolin
Delbeke D, Kojima I, Dannies P, Rasmussen H. Synergistic stimulation of prolactin release by phorbol ester, A23187 and forskolin. Biochemical And Biophysical Research Communications 1984, 123: 735-741. PMID: 6091639, DOI: 10.1016/0006-291x(84)90291-2.Peer-Reviewed Original ResearchDifference in Calcium Requirements for Forskolin-Induced Release of Prolactin from Normal Pituitary Cells and GH4C1 Cells in Culture*
DELBEKE D, SCAMMELI J, DANNIES P. Difference in Calcium Requirements for Forskolin-Induced Release of Prolactin from Normal Pituitary Cells and GH4C1 Cells in Culture*. Endocrinology 1984, 114: 1433-1440. PMID: 6323146, DOI: 10.1210/endo-114-4-1433.Peer-Reviewed Original ResearchConceptsGH4C1 cellsPRL releaseMale rat pituitary glandPrimary culturesNormal cellsNormal pituitary cellsPresence of D600Release of prolactinRat pituitary glandAddition of forskolinIntracellular cAMP concentrationPituitary tumorsFischer ratsPituitary cellsPituitary glandChannel inhibitorsTumor cellsTypes of cellsAdenylate cyclaseD600ForskolinCAMP concentrationCalcium requirementForskolin stimulationCells
1983
Veratridine and Ouabain Stimulate Calcium-Dependent Prolactin Release*
SCAMMELL J, DANNIES P. Veratridine and Ouabain Stimulate Calcium-Dependent Prolactin Release*. Endocrinology 1983, 113: 1228-1235. PMID: 6617570, DOI: 10.1210/endo-113-4-1228.Peer-Reviewed Original ResearchConceptsPRL releaseCalcium channel blocker D600Rat anterior pituitary cellsTetrodotoxin-insensitive mechanismCalcium channel blockersChannel blocker tetrodotoxinDopaminergic agonist bromocriptineEffect of veratridineAnterior pituitary cellsAction of veratridineChannel blocker D600Blocker tetrodotoxinAgonist bromocriptineProlactin releaseChannel blockersVeratridine effectPituitary cellsChannel activatorVeratridineGH4C1 cellsPrimary culturesOuabainNormal cellsStimulationPreincubation
1981
Insulin and 17β-Estradiol Increase the Intracellular Prolactin Content of GH4C1 Cells*
KIINO D, DANNIES P. Insulin and 17β-Estradiol Increase the Intracellular Prolactin Content of GH4C1 Cells*. Endocrinology 1981, 109: 1264-1269. PMID: 7026222, DOI: 10.1210/endo-109-4-1264.Peer-Reviewed Original ResearchConceptsIntracellular PRLEffect of insulinDays of treatmentHalf-maximal doseRat pituitary tumor cellsPituitary tumor cellsIntracellular prolactin contentM estradiolEstradiolCombined treatmentPRLInsulinPRL synthesisTumor cellsGH4C1 cellsM insulinControl levelsProlactin contentIntracellular hormoneM. TreatmentTotal proteinTreatmentDoseIntracellular transit timeSmall increase