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
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
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 spikeSecretionMinRelease
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 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 phosphatesCa2
1984
Unresponsiveness of GH cells to cyclo(histidyl-proline), a metabolite of thyrotropin releasing hormone
Battaini F, Dannies P, Peterkofsky A. Unresponsiveness of GH cells to cyclo(histidyl-proline), a metabolite of thyrotropin releasing hormone. Life Sciences 1984, 35: 2519-2527. PMID: 6096658, DOI: 10.1016/0024-3205(84)90438-7.Peer-Reviewed Original Research
1983
3COMPARISON OF THEEFFECTS OF HISTAMINE H2-RECEPTOR ANTAGONISTS ON PROLACTIN SECRETION IN THE RAT.
NETTI C, GUIDOBONO F, OLGIATI V, SIBILIA V, PECILE A, Dannies P. 3COMPARISON OF THEEFFECTS OF HISTAMINE H2-RECEPTOR ANTAGONISTS ON PROLACTIN SECRETION IN THE RAT. Endocrinology 1983, 113: 412-414. PMID: 6305638, DOI: 10.1210/endo-113-1-412.Peer-Reviewed Original ResearchConceptsPRL releaseHistamine H2-receptor antagonistsSignificant PRL releaseH2-receptor antagonistsCentral neural controlPRL-releasing activityHistamine H2 receptorsPRL secretionBlocking actionProlactin secretionH2 receptorsSingle bolusBlood samplesHigh doseBlocking potencyPrompt increaseBrain ventriclesNeural controlDrugsCimetidineRanitidineRatsStimulating effectPRLSecretion