2004
Aggregation and Lack of Secretion of Most Newly Synthesized Proinsulin in Non-β-Cell Lines
Zhu YL, Abdo A, Gesmonde JF, Zawalich KC, Zawalich W, Dannies PS. Aggregation and Lack of Secretion of Most Newly Synthesized Proinsulin in Non-β-Cell Lines. Endocrinology 2004, 145: 3840-3849. PMID: 15117881, DOI: 10.1210/en.2003-1512.Peer-Reviewed Original Research
2001
Acquisition of Lubrol Insolubility, a Common Step for Growth Hormone and Prolactin in the Secretory Pathway of Neuroendocrine Cells*
Lee M, Zhu Y, Chang J, Dannies P. Acquisition of Lubrol Insolubility, a Common Step for Growth Hormone and Prolactin in the Secretory Pathway of Neuroendocrine Cells*. Journal Of Biological Chemistry 2001, 276: 715-721. PMID: 11024038, DOI: 10.1074/jbc.m008530200.Peer-Reviewed Original ResearchAnimalsAnti-Bacterial AgentsBrefeldin AChloroquineCOS CellsDinitrobenzenesEndoplasmic ReticulumEpidermal Growth FactorEstradiolHuman Growth HormoneHydrogen-Ion ConcentrationInsulinMacrolidesMutationPituitary GlandPolyethylene GlycolsProlactinProtein TransportRatsSecretory VesiclesSolubilitySubstrate SpecificityTumor Cells, CulturedUltracentrifugation
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. 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: 2727-33. PMID: 9607778, DOI: 10.1210/endo.139.6.6039.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutoantigensCytoplasmic GranulesDrug StabilityEpidermal Growth FactorEstradiolImmunoblottingImmunologic TechniquesInsulinMembrane ProteinsMicroscopy, ConfocalPeptide FragmentsPrecipitin TestsProtein PrecursorsProtein Tyrosine PhosphatasesRatsReceptor-Like Protein Tyrosine Phosphatases, Class 8Time FactorsTumor Cells, Cultured
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
1996
KN-62, a calcium/calmodulin-dependent protein kinase II inhibitor, inhibits high potassium-stimulated prolactin secretion and intracellular calcium increases in anterior pituitary cells
Cui Z, Hidaka H, Dannies P. KN-62, a calcium/calmodulin-dependent protein kinase II inhibitor, inhibits high potassium-stimulated prolactin secretion and intracellular calcium increases in anterior pituitary cells. Biochimica Et Biophysica Acta 1996, 1310: 343-347. PMID: 8599613, DOI: 10.1016/0167-4889(95)00170-0.Peer-Reviewed Original ResearchMeSH Keywords1-(5-Isoquinolinesulfonyl)-2-MethylpiperazineAnimalsCalciumCalcium-Calmodulin-Dependent Protein KinasesCells, CulturedEnzyme InhibitorsFemaleIsoquinolinesKineticsPiperazinesPituitary Gland, AnteriorPotassiumPotassium ChlorideProlactinRatsRats, Sprague-DawleyThyrotropin-Releasing HormoneTime FactorsConceptsAnterior pituitary cellsProlactin secretionCalcium/calmodulin-dependent protein kinase IIPituitary cellsCalmodulin-dependent protein kinase IIKN-04KN-62Rat anterior pituitary cellsVoltage-dependent calcium channelsProtein kinase IICalmodulin-dependent protein kinase II inhibitorKCl-stimulated increasesIntracellular calcium increaseCalcium/calmodulin-dependent protein kinase II inhibitorKinase II inhibitorCalcium channelsCalcium increaseIntracellular Ca2Kinase IISecretionInhibits activationII inhibitorsIC50InhibitorsCells
1995
Biological activity and immunological reactivity of human prolactin mutants
Rhee H, Sun Z, Kim S, Goffin V, Martial J, Dannies P. Biological activity and immunological reactivity of human prolactin mutants. Endocrinology 1995, 136: 4990-4995. PMID: 7588233, DOI: 10.1210/endo.136.11.7588233.Peer-Reviewed Original ResearchConceptsSerine 90Cystine loopBiological activityRat pituitary cell lineHuman PRLPituitary cell lineWild typeCertain fishPRL-3MutantsTryptophan fluorescenceCell linesMutationsFishT mutationCell assayPRL storageImmunological reactivityImmunological propertiesSerineConcentration of ureaActivityConservationSpacial requirementsLoopLack 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 specificityRegulation of Parathyroid Hormone‐Related Peptide Gene Expression by Estrogen in GH4C1 Rat Pituitary Cells Has the Pattern of a Primary Response Gene
Holt E, Lu C, Dreyer B, Dannies P, Broadus A. Regulation of Parathyroid Hormone‐Related Peptide Gene Expression by Estrogen in GH4C1 Rat Pituitary Cells Has the Pattern of a Primary Response Gene. Journal Of Neurochemistry 1994, 62: 1239-1246. PMID: 8133258, DOI: 10.1046/j.1471-4159.1994.62041239.x.Peer-Reviewed Original ResearchConceptsGH4C1 rat pituitary cellsRat pituitary cellsPituitary cellsParathyroid hormone-related peptide gene expressionPTHrP mRNA expressionPrimary response geneParathyroid hormone-related peptide genePTHrP gene transcriptionPeptide gene expressionResponse genesPharmacological controlMRNA responseMRNA expressionTransient increaseGrowth factorGene transcriptionPlateau responsePeak response
1992
Thyrotropin-releasing hormone-mediated Mn2+ entry in perifused rat anterior pituitary cells
Cui Z, Dannies P. Thyrotropin-releasing hormone-mediated Mn2+ entry in perifused rat anterior pituitary cells. Biochemical Journal 1992, 283: 507-513. PMID: 1575695, PMCID: PMC1131064, DOI: 10.1042/bj2830507.Peer-Reviewed Original ResearchConceptsAnterior pituitary cellsRat anterior pituitary cellsPituitary cellsMicroM dopaminePerifused anterior pituitary cellsIndo-1-loaded cellsReceptor-mediated Ca2Action of TRHContinuous TRH infusionTRH infusionCation entryIntracellular Ca2Indo-1TRHTumor promotorFree mediumG proteinsUnstimulated cellsCell typesDopamineCa2CellsLittle effectInsensitive wavelengthInfusion
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
Comparison 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
1989
Ca2+ Transients Induced by Thyrotropin-Releasing Hormone Rapidly Lose Their Ability to Cause Release of Prolactin
Law G, Pachter J, Dannies P. Ca2+ Transients Induced by Thyrotropin-Releasing Hormone Rapidly Lose Their Ability to Cause Release of Prolactin. Endocrinology 1989, 3: 539-546. PMID: 2501668, DOI: 10.1210/mend-3-3-539.Peer-Reviewed Original ResearchConceptsPulses of TRHPRL releasePRL secretionCytosolic free calcium concentrationPost-receptor stepsRat anterior pituitary glandThyrotropin-Releasing HormoneRelease of prolactinIndicator indo-1Anterior pituitary glandFree calcium concentrationRelationship of changesContinuous administrationSustained elevationNM TRHPituitary glandIndo-1TRHFluorescent Ca2Calcium concentrationRefractory stateTransient spikeSecretionMinReleaseAbility of repetitive Ca2+ spikes to stimulate prolactin release is frequency dependent
Law G, Pachter J, Dannies P. Ability of repetitive Ca2+ spikes to stimulate prolactin release is frequency dependent. Biochemical And Biophysical Research Communications 1989, 158: 811-816. PMID: 2537637, DOI: 10.1016/0006-291x(89)92794-0.Peer-Reviewed Original ResearchConceptsProlactin releaseAnterior pituitary cellsRelease of prolactinSustained elevated levelsCytosolic free Ca2Amount of prolactinSerial declinePeak Ca2Prolactin secretionPerifusion systemPituitary cellsIndo-1Fluorescent Ca2Repetitive Ca2Transient increaseFree Ca2Elevated levelsProlactinMM KClCa2CellsCoincident increaseMinutesReleaseHigh frequency
1988
Expression of messenger ribonucleic acids encoding a parathyroid hormone-like peptide in normal human and animal tissues with abnormal expression in human parathyroid adenomas.
Ikeda K, Weir E, Mangin M, Dannies P, Kinder B, Deftos L, Brown E, Broadus A. Expression of messenger ribonucleic acids encoding a parathyroid hormone-like peptide in normal human and animal tissues with abnormal expression in human parathyroid adenomas. Endocrinology 1988, 2: 1230-6. PMID: 3216862, DOI: 10.1210/mend-2-12-1230.Peer-Reviewed Original ResearchConceptsPTH-like peptideHuman parathyroid adenomasParathyroid adenomaAbnormal human parathyroid tissueHuman parathyroid tissueNumber of endocrineMedullary carcinoma cellsParathyroid hormone-like peptideExpression of mRNAAutonomous glandsHumoral hypercalcemiaParathyroid tissueHormone-like peptideAdrenal cortexRat brainNonendocrine tissuesAdrenal medullaBone marrowMessenger ribonucleic acidStomach mucosaHuman osteosarcomaOverexpression of transcriptsRat pituitaryNormal humansAbnormal expressionTRH 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 cellsDopamine has no Effect on Thyrotropin-Releasing Hormone Mobilization of Calcium from Intracellular Stores in Rat Anterior Pituitary Cells
Law G, Pachter J, Dannies P. Dopamine has no Effect on Thyrotropin-Releasing Hormone Mobilization of Calcium from Intracellular Stores in Rat Anterior Pituitary Cells. Endocrinology 1988, 2: 966-972. PMID: 3141796, DOI: 10.1210/mend-2-10-966.Peer-Reviewed Original ResearchConceptsRat anterior pituitary cellsAnterior pituitary cellsPRL secretionPituitary cellsIntracellular Ca2Intracellular storesLow Ca2MM Ca2Inhibition of releaseDopaminergic reductionSource of Ca2PRL releaseIntracellular calciumNM TRHPerifusion systemExtracellular Ca2MicroM dopamineTRHInternal Ca2DopamineEnriched populationMM KClSecretionInositol phosphatesCa2Bombesin stimulates inositol polyphosphate production in GH4C1 pituitary tumor cells: Comparison with TRH
Pachter J, Law G, Dannies P. Bombesin stimulates inositol polyphosphate production in GH4C1 pituitary tumor cells: Comparison with TRH. Biochemical And Biophysical Research Communications 1988, 154: 654-659. PMID: 3135808, DOI: 10.1016/0006-291x(88)90189-1.Peer-Reviewed Original ResearchEstrogen induces accumulation of the mitochondrial ribonucleic acid for subunit II of cytochrome oxidase in pituitary tumor cells.
Van Itallie C, Dannies P. Estrogen induces accumulation of the mitochondrial ribonucleic acid for subunit II of cytochrome oxidase in pituitary tumor cells. Endocrinology 1988, 2: 332-7. PMID: 2837664, DOI: 10.1210/mend-2-4-332.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell DivisionDNADNA, RecombinantElectron Transport Complex IVEnzyme InductionEpidermal Growth FactorEstradiolFemaleInsulinMaleMitochondriaMolecular Sequence DataNucleic Acid HybridizationPituitary NeoplasmsProlactinRatsRats, Inbred StrainsRNA, MessengerTumor Cells, CulturedConceptsCytochrome oxidase II geneCytochrome oxidaseMitochondrial ribonucleic acidMitochondrial genomePituitary tumor cell lineEpidermal growth factorMRNA accumulationNumber of copiesTumor cell linesPituitary tumor cellsCell proliferationMRNACell linesRibonucleic acidMaximal inductionGenesGrowth factorGrowth ratePRL mRNA