2002
Renin-angiotensin system expression and secretory function in cultured human ciliary body non-pigmented epithelium
Cullinane A, Leung P, Ortego J, Coca-Prados M, Harvey B. Renin-angiotensin system expression and secretory function in cultured human ciliary body non-pigmented epithelium. British Journal Of Ophthalmology 2002, 86: 676. PMID: 12034692, PMCID: PMC1771149, DOI: 10.1136/bjo.86.6.676.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IICalciumCell SizeCells, CulturedCiliary BodyElectrophysiologyHumansLarge-Conductance Calcium-Activated Potassium ChannelsPatch-Clamp TechniquesPigment Epithelium of EyePotassium Channels, Calcium-ActivatedReceptors, AngiotensinRenin-Angiotensin SystemReverse Transcriptase Polymerase Chain ReactionSignal TransductionConceptsHNPE cellsAngiotensin IINon-pigmented epitheliumSecretory functionAddition of AIIRenin-angiotensin system componentsRenin-angiotensin system expressionIon channel activityPotassium ion channel activityActive BK channelsExpression of angiotensinogenAqueous humor dynamicsTreatment of glaucomaChannel activitySingle-channel patch-clamp techniquesPatch-clamp techniqueBK channel activationLarge-conductance potassium channelsHuman ciliary bodyPolymerase chain reaction analysisReceptor antagonistCurrent armamentariumCiliary bodyChain reaction analysisRAS expression
2001
PGE2, Ca2+, and cAMP mediate ATP activation of Cl− channels in pigmented ciliary epithelial cells
Fleischhauer J, Mitchell C, Peterson-Yantorno K, Coca-Prados M, Civan M. PGE2, Ca2+, and cAMP mediate ATP activation of Cl− channels in pigmented ciliary epithelial cells. American Journal Of Physiology - Cell Physiology 2001, 281: c1614-c1623. PMID: 11600425, DOI: 10.1152/ajpcell.2001.281.5.c1614.Peer-Reviewed Original ResearchConceptsPigmented ciliary epithelial cellsCiliary epithelial cellsCl- channelsEpithelial cellsPE cellsCl- channel activityAction of nucleotidesProtein kinaseNonpigmented ciliary epithelial cellsSecond messengerCell sortingChannel activityATP activationElectronic cell sortingATPSequential cascadeChannel activationNucleotidesP2Y receptorsPatch clampingATP assayATP releaseCellsMicroM ATPCAMPChloride dependent intracellular pH effects of external ATP in cultured human non-pigmented ciliary body epithelium
Cullinane A, Coca-Prados M, Harvey B. Chloride dependent intracellular pH effects of external ATP in cultured human non-pigmented ciliary body epithelium. Current Eye Research 2001, 23: 443-447. PMID: 12045894, DOI: 10.1076/ceyr.23.6.443.6967.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnti-Bacterial AgentsCalciumCells, CulturedChloride-Bicarbonate AntiportersChloridesCiliary BodyFluoresceinsFluorescent DyesHumansHydrogen-Ion ConcentrationMacrolidesMicroscopy, FluorescencePigment Epithelium of EyeProton-Translocating ATPasesReceptors, PurinergicSpectrometry, FluorescenceSuraminUp-RegulationConceptsNon-pigmented ciliary body epitheliumHNPE cellsCiliary body epitheliumAcetoxymethyl ester formBody epitheliumIntracellular calcium levelsCell-permeable calcium chelatorFluorescent probe BCECFReceptor inhibitorsIntracellular calciumPurinergic receptorsCalcium levelsDiisothiocyanatostilbene-2Extracellular adenosineSustained increaseMM suraminInhibitor amilorideExtracellular ATPCalcium chelatorEster formMicroM ATPATPase inhibitorEpitheliumInhibitorsIntracellularExtracellular ATP effects on calcium signaling in cultured human non-pigmented ciliary body epithelium
Cullinane A, Coca-Prados M, Harvey B. Extracellular ATP effects on calcium signaling in cultured human non-pigmented ciliary body epithelium. Current Eye Research 2001, 23: 448-454. PMID: 12045895, DOI: 10.1076/ceyr.23.6.448.6964.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateCalciumCalcium-Transporting ATPasesCells, CulturedCiliary BodyFluorescent DyesFura-2HumansMicroscopy, FluorescencePigment Epithelium of EyeReceptors, Purinergic P2Receptors, Purinergic P2Y2Signal TransductionSodium-Calcium ExchangerSpectrometry, FluorescenceThapsigarginConceptsNon-pigmented ciliary body epitheliumCiliary body epitheliumHNPE cellsIntracellular storesBody epitheliumFluorescent dye fura-2Extracellular ATP effectP2Y2 receptor activationDye fura-2Calcium signalsATPase pumpPresence of thapsigarginCapacitative calcium entrySodium-free solutionIntracellular calciumPurinergic receptorsFura-2Therapeutic targetCalcium entryPotency orderReceptor activationSustained increaseL-typeExtracellular ATPOscillatory increases
2000
Tamoxifen and ATP synergistically activate Cl− release by cultured bovine pigmented ciliary epithelial cells
Mitchell C, Peterson‐Yantorno K, Coca‐Prados M, Civan M. Tamoxifen and ATP synergistically activate Cl− release by cultured bovine pigmented ciliary epithelial cells. The Journal Of Physiology 2000, 525: 183-193. PMID: 10811736, PMCID: PMC2269939, DOI: 10.1111/j.1469-7793.2000.00183.x.Peer-Reviewed Original Research
1999
Hyposmotically activated chloride channels in cultured rabbit non‐pigmented ciliary epithelial cells
Shi C, Ryan J, French A, Coca‐Prados M, Kelly M. Hyposmotically activated chloride channels in cultured rabbit non‐pigmented ciliary epithelial cells. The Journal Of Physiology 1999, 521: 57-67. PMID: 10562334, PMCID: PMC2269649, DOI: 10.1111/j.1469-7793.1999.00057.x.Peer-Reviewed Original ResearchMeSH Keywords1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsCalciumCell LineChloride ChannelsCiliary BodyEnzyme InhibitorsEpithelial CellsNiflumic AcidOsmotic PressurePatch-Clamp TechniquesPhosphorylationProtein Kinase InhibitorsRabbitsSecond Messenger SystemsStilbenesConceptsNon-pigmented ciliary epithelial cellsWhole-cell currentsCiliary epithelial cellsWhole-cell patch-clamp recording techniquePatch-clamp recording techniquesEpithelial cellsTime courseSlower time courseDisulfonic acidSmall conductanceWhole-cell conductanceCl- current amplitudeExposure of cellsVoltage-sensitive blockCl- currentVoltage-independent blockNiflumic acidRecording techniquesDepolarized potentialsCurrent activationAmplitude of currentsOutward rectificationCell swellingNPCE cellsHyposmotic shock
1994
Pathways signaling the regulatory volume decrease of cultured nonpigmented ciliary epithelial cells.
Civan M, Coca-Prados M, Peterson-Yantorno K. Pathways signaling the regulatory volume decrease of cultured nonpigmented ciliary epithelial cells. Investigative Ophthalmology & Visual Science 1994, 35: 2876-86. PMID: 8188483.Peer-Reviewed Original ResearchConceptsRegulatory volume decreaseNonpigmented ciliary epithelial cellsProtein phosphatase inhibitor okadaic acidCiliary epithelial cellsPhosphatase inhibitor okadaic acidCultured nonpigmented ciliary epithelial cellsInhibitor okadaic acidEpithelial cellsNPE cellsHuman nonpigmented ciliary epithelial cellsCl- channelsCyclic AMPPKC inhibitor staurosporineEndogenous PKC activityOkadaic acidRegulatory responsesIntracellular cAMP concentrationCell typesPKC activatorCalcium-calmodulinPKC activityCell sortingElectronic cell sortingPathwayStaurosporine
1993
Calcium-dependent regulation of cation transport in cultured human nonpigmented ciliary epithelial cells
Mito T, Delamere N, Coca-Prados M. Calcium-dependent regulation of cation transport in cultured human nonpigmented ciliary epithelial cells. American Journal Of Physiology 1993, 264: c519-c526. PMID: 8384781, DOI: 10.1152/ajpcell.1993.264.3.c519.Peer-Reviewed Original ResearchMeSH KeywordsBiological TransportBumetanideCalcimycinCalciumCarrier ProteinsCationsCell Line, TransformedCiliary BodyEgtazic AcidEpithelial CellsEpitheliumHumansOuabainPigment Epithelium of EyePotassium ChannelsQuinidineRubidiumSodium-Potassium-Chloride SymportersSodium-Potassium-Exchanging ATPaseTerpenesThapsigarginConceptsPotassium channelsIntracellular calcium bufferPotassium channel activityOuabain-sensitive potassium (86Rb) uptakeOuabain-sensitive componentCalcium-induced activationOuabain-insensitive componentNa-K-ATPaseCalcium-induced stimulationCiliary epithelial cellsNa-K-adenosinetriphosphataseMM quinidineThapsigargin stimulationIntracellular calciumPotassium lossCiliary epitheliumCalcium-dependent regulationEpithelial cellsAcetoxymethyl esterCalcium bufferCultured humanChannel activityCell linesCotransporterBumetanide
1992
Regulatory volume decrease by cultured non-pigmented ciliary epithelial cells
Civan M, Peterson-Yantorno K, Coca-Prados M, E.Yantorno R. Regulatory volume decrease by cultured non-pigmented ciliary epithelial cells. Experimental Eye Research 1992, 54: 181-191. PMID: 1559547, DOI: 10.1016/s0014-4835(05)80207-6.Peer-Reviewed Original Research
1991
Detection and characterization of Ca2+-activated K+ channels in transformed cells of human non-pigmented ciliary epithelium
Barros F, Lòpez-Briones L, Coca-Prados M, Belmonte C. Detection and characterization of Ca2+-activated K+ channels in transformed cells of human non-pigmented ciliary epithelium. Current Eye Research 1991, 10: 731-738. PMID: 1914505, DOI: 10.3109/02713689109013867.Peer-Reviewed Original Research
1989
Electrical membrane properties of a cell clone derived from human nonpigmented ciliary epithelium.
Helbig H, Korbmacher C, Wohlfarth J, Coca-Prados M, Wiederholt M. Electrical membrane properties of a cell clone derived from human nonpigmented ciliary epithelium. Investigative Ophthalmology & Visual Science 1989, 30: 882-9. PMID: 2470692.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidCalciumCell MembraneChloridesCiliary BodyClone CellsCyclamatesElectric ConductivityEpithelial CellsEpitheliumExtracellular SpaceHumansHydrogen-Ion ConcentrationOuabainPigmentationPotassiumSodiumConceptsIntracellular potentialsCiliary epitheliumCell clonesPresence of SITSPresence of ouabainElectrical membrane propertiesAddition of ouabainCiliary epithelial cellsMM EGTAEpithelial cellsTransient depolarizationMicroelectrode techniquesMembrane voltageCultured humanExtracellular ClCl- conductanceEpitheliumOuabainMembrane potentialIntracellular voltageFree solutionPotential responseEffect of acetylcholine on membrane potential of cultured human nonpigmented ciliary epithelial cells.
Helbig H, Korbmacher C, Wohlfarth J, Coroneo M, Lindschau C, Quass P, Haller H, Coca-Prados M, Wiederholt M. Effect of acetylcholine on membrane potential of cultured human nonpigmented ciliary epithelial cells. Investigative Ophthalmology & Visual Science 1989, 30: 890-6. PMID: 2722445.Peer-Reviewed Original ResearchConceptsAcetylcholine-induced responsesCiliary epithelial cellsCytoplasmic Ca2Epithelial cellsEffects of acetylcholineAddition of acetylcholineMembrane potentialMobilization of Ca2M atropineRole of Ca2M acetylcholineMM quinidineChannel blockersFura-2Sustained depolarizationAcetylcholineIntracellular storesInitial hyperpolarizationTransient hyperpolarizationCell membrane potentialMicroelectrode techniquesCultured humanHyperpolarizationFree mediumOrigin-defective mutant