2018
The Zinc-Metallothionein Redox System Reduces Oxidative Stress in Retinal Pigment Epithelial Cells
Rodríguez-Menéndez S, García M, Fernández B, Álvarez L, Fernández-Vega-Cueto A, Coca-Prados M, Pereiro R, González-Iglesias H. The Zinc-Metallothionein Redox System Reduces Oxidative Stress in Retinal Pigment Epithelial Cells. Nutrients 2018, 10: 1874. PMID: 30513827, PMCID: PMC6315569, DOI: 10.3390/nu10121874.Peer-Reviewed Original ResearchConceptsRetinal pigment epitheliumOxidative stressRetinal pigment epithelial cellsOxidative damagePre-treated cellsInduces oxidative stressPigment epithelial cellsNon-treated cellsReactive oxygen intermediatesΜM of zincPigment epitheliumRPE cellsZn-MTProtective mechanismEpithelial cellsFree radical generatorMT levelsAAPH treatmentOxygen intermediates
2017
Quantitative distribution of Zn, Fe and Cu in the human lens and study of the Zn–metallothionein redox system in cultured lens epithelial cells by elemental MS
González-Iglesias H, Petrash C, Rodríguez-Menéndez S, García M, Álvarez L, Fernández-Vega Cueto L, Fernández B, Pereiro R, Sanz-Medel A, Coca-Prados M. Quantitative distribution of Zn, Fe and Cu in the human lens and study of the Zn–metallothionein redox system in cultured lens epithelial cells by elemental MS. Journal Of Analytical Atomic Spectrometry 2017, 32: 1746-1756. DOI: 10.1039/c6ja00431h.Peer-Reviewed Original ResearchLens epithelial cellsMolecular mass proteinsMass proteinsCultured human lens epithelial cellsHigh molecular mass proteinsEpithelial cellsCultured lens epithelial cellsHuman lens epithelial cellsHuman lensOxidative cellular damageLocalization of ZnEndogenous stressorsImportant enzymeMT proteinCellular distributionLens epithelial cell layerProteinRedox systemEpithelial cell layerElemental mass spectrometryCellular damageMetallothioneinOxidative stressHuman lensesCells
2015
A Renal-Like Organic Anion Transport System in the Ciliary Epithelium of the Bovine and Human Eye
Lee J, Shahidullah M, Hotchkiss A, Coca-Prados M, Delamere NA, Pelis RM. A Renal-Like Organic Anion Transport System in the Ciliary Epithelium of the Bovine and Human Eye. Molecular Pharmacology 2015, 87: 697-705. PMID: 25661037, PMCID: PMC6067639, DOI: 10.1124/mol.114.096578.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological Transport, ActiveCattleCiliary BodyDicarboxylic Acid TransportersHumansKidney CortexMultidrug Resistance-Associated ProteinsOrganic Anion Transport Protein 1Organic Anion TransportersOrganic Anion Transporters, Sodium-DependentOrganic Anion Transporters, Sodium-IndependentRetinal Pigment EpitheliumRNA, MessengerSymportersConceptsCiliary bodyAqueous humorPara-aminohippurateUssing chambersOcular tissuesReverse transcription-polymerase chain reactionOrganic anion transport systemHuman ocular tissuesBovine ciliary bodyHuman ciliary bodyPerfused eyePolymerase chain reactionBasolateral membraneEye preparationsTransporter expressionOrganic anion transportCiliary epitheliumAnion transport systemHuman eyeEpithelial cellsChain reactionBlood sideBlood directionEyesBarrier epithelia
2014
Characterization of Vitamin D Production by Human Ocular Barrier CellsVitamin D Production by Human Ocular Barrier Cells
Alsalem JA, Patel D, Susarla R, Coca-Prados M, Bland R, Walker EA, Rauz S, Wallace GR. Characterization of Vitamin D Production by Human Ocular Barrier CellsVitamin D Production by Human Ocular Barrier Cells. Investigative Ophthalmology & Visual Science 2014, 55: 2140-2147. PMID: 24576880, DOI: 10.1167/iovs.13-13019.Peer-Reviewed Original ResearchConceptsHuman scleral fibroblastsVitamin D3Vitamin D receptorBarrier epithelial cellsPrimary human scleral fibroblastsEnzyme immunoassayD productionUltraviolet B sunlightEpithelial cellsVitamin D productionRetinal pigment epithelial cell lineBarrier cellsExtrarenal synthesisHydroxyvitamin D3Epithelial cell lineImmune regulationCiliary bodyD receptorExpression of componentsSkin precursorsODM-2Scleral fibroblastsBarrier sitesCorneal endothelialBarrier function
2012
Functional Expression of MRP4 in the Ciliary Epithelium of the Eye
Pelis R, Coca-Prados M. Functional Expression of MRP4 in the Ciliary Epithelium of the Eye. The FASEB Journal 2012, 26: 694.10-694.10. DOI: 10.1096/fasebj.26.1_supplement.694.10.Peer-Reviewed Original ResearchFunctional expressionOrganic anion transportCiliary epitheliumAnion transportPara-aminohippurateMRP4 protein levelsCiliary body epithelial cellsHuman ciliary epitheliumCultured cellsFunctional assaysProtein 4Dose-dependent mannerProtein levelsCell linesEfflux pumpsHuman ciliary bodyUseful systemSimian virusEpithelial cellsWestern blottingIntracellular accumulationCiliary bodyMrp4 mRNAMRP4 expressionExpression
2005
Selective Upregulation of the A3 Adenosine Receptor in Eyes with Pseudoexfoliation Syndrome and Glaucoma
Schlötzer-Schrehardt U, Zenkel M, Decking U, Haubs D, Kruse FE, Jünemann A, Coca-Prados M, Naumann GO. Selective Upregulation of the A3 Adenosine Receptor in Eyes with Pseudoexfoliation Syndrome and Glaucoma. Investigative Ophthalmology & Visual Science 2005, 46: 2023-2034. PMID: 15914619, DOI: 10.1167/iovs.04-0915.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAgedAged, 80 and overAnterior Eye SegmentAqueous HumorBlotting, NorthernCell Culture TechniquesChromatography, High Pressure LiquidExfoliation SyndromeGlaucoma, Angle-ClosureGlaucoma, Open-AngleHumansHypoxanthineImmunohistochemistryIn Situ HybridizationInosineReceptor, Adenosine A3Reverse Transcriptase Polymerase Chain ReactionRNA, MessengerUp-RegulationXanthineConceptsControl eyesLevels of adenosineA3 adenosine receptorAdenosine receptorsPEX eyesPseudoexfoliation syndromeIntraocular pressureAqueous humor secretionCiliary epitheliumEpithelial cellsNonpigmented epithelial cellsOxidative stressGlaucomatous control eyesAngle-closure glaucomaNormal control eyesHypoxia-induced upregulationAdenosine receptor expressionAqueous humor samplesAnterior segment tissuesAqueous humor dynamicsNonpigmented ciliary epitheliumA3 receptor mRNAEffects of hypoxiaAdenosine receptor subtypesNonpigmented ciliary epithelial cellsFOXC1 Transcriptional Regulatory Activity Is Impaired by PBX1 in a Filamin A-Mediated Manner
Berry FB, O'Neill MA, Coca-Prados M, Walter MA. FOXC1 Transcriptional Regulatory Activity Is Impaired by PBX1 in a Filamin A-Mediated Manner. Molecular And Cellular Biology 2005, 25: 1415-1424. PMID: 15684392, PMCID: PMC548007, DOI: 10.1128/mcb.25.4.1415-1424.2005.Peer-Reviewed Original ResearchMeSH KeywordsCell FractionationCell NucleusChromobox Protein Homolog 5Chromosomal Proteins, Non-HistoneContractile ProteinsDNA-Binding ProteinsEye AbnormalitiesFilaminsForkhead Transcription FactorsHeLa CellsHeterochromatinHumansMicrofilament ProteinsMutationProtein BindingProto-Oncogene ProteinsTranscription FactorsTumor Cells, CulturedConceptsFilamin AHuman nonpigmented ciliary epithelial cellsFunction mutationsNonpigmented ciliary epithelial cellsAxenfeld-Rieger syndromeAutosomal dominant disorderCiliary epithelial cellsMelanoma cellsSkeletal disordersElevated levelsDominant disorderEpithelial cellsImportant transcription factorSkeletal phenotypeProtein filamin AFOXC1Inhibitory activityDisorders
2004
Hyposmotic activation of ICl,swell in rabbit nonpigmented ciliary epithelial cells involves increased ClC-3 trafficking to the plasma membrane
Vessey JP, Shi C, Jollimore CA, Stevens KT, Coca-Prados M, Barnes S, Kelly ME. Hyposmotic activation of ICl,swell in rabbit nonpigmented ciliary epithelial cells involves increased ClC-3 trafficking to the plasma membrane. Biochemistry And Cell Biology 2004, 82: 708-718. PMID: 15674438, DOI: 10.1139/o04-107.Peer-Reviewed Original ResearchConceptsPlasma membraneHyposmotic stimulationFluorescent membrane dye FM1-43Membrane dye FM1-43Trafficking of channelsClC-3 channelsCiliary epithelial cellsPhosphoinositide-3 kinase inhibitor wortmanninRate of exocytosisClC-3 Cl(-) channelsEpithelial cellsVesicular traffickingDye FM1-43Membrane dynamicsNonpigmented ciliary epithelial cellsInhibitor wortmanninClC-3 antisenseImmunofluorescence microscopyTraffickingClC-3Regulatory volume decreaseFM1-43Cl- channelsMembraneCell swellingFunctional and Molecular Characterization of a Volume-activated Chloride Channel in Rabbit Corneal Epithelial Cells
Al-Nakkash L, Iserovich P, Coca-Prados M, Yang H, Reinach P. Functional and Molecular Characterization of a Volume-activated Chloride Channel in Rabbit Corneal Epithelial Cells. The Journal Of Membrane Biology 2004, 201: 41-49. PMID: 15635811, DOI: 10.1007/s00232-004-0706-5.Peer-Reviewed Original ResearchConceptsCorneal epithelial cellsRabbit corneal epithelial cellsVolume-regulated anion channelsEpithelial cellsVoltage-dependent inhibitionHypotonic challengeVolume-activated chloride channelsRegulatory volume decrease (RVD) responseInactive phorbol ester analoguePresence of DIDSExtracellular calciumChloride currentsNiflumic acidRVD responseCell swellingDecrease responseNorthern blot analysisBlot analysisPhorbol dibutyratePhorbol ester analogsChloride channelsVACCNPPBMOsm mediumSV40-immortalized rabbit corneal epithelial cells
2003
Sex steroid hormone metabolism takes place in human ocular cells
Coca-Prados M, Ghosh S, Wang Y, Escribano J, Herrala A, Vihko P. Sex steroid hormone metabolism takes place in human ocular cells. The Journal Of Steroid Biochemistry And Molecular Biology 2003, 86: 207-216. PMID: 14568574, DOI: 10.1016/j.jsbmb.2003.08.001.Peer-Reviewed Original ResearchConceptsSex steroid hormone metabolismCiliary epitheliumHuman ocular cellsSex steroid hormonesHuman ciliary epithelial cellsSteroid hormone metabolismAndrogen agonistsCiliary epithelial cellsEstrogenic milieuOcular diseasesOcular cellsSteroid hormonesMRNA expressionImportant mediatorOxidative enzymatic activityHuman ciliary epitheliumGene expressionEpithelial cellsHormone metabolismHormone-responsive genesSecretory epitheliumEpitheliumH time courseCell linesTime courseExpression of cell surface transmembrane carbonic anhydrase genes CA9 and CA12 in the human eye: overexpression of CA12 (CAXII) in glaucoma
Liao S, Ivanov S, Ivanova A, Ghosh S, Cote M, Keefe K, Coca-Prados M, Stanbridge E, Lerman M. Expression of cell surface transmembrane carbonic anhydrase genes CA9 and CA12 in the human eye: overexpression of CA12 (CAXII) in glaucoma. Journal Of Medical Genetics 2003, 40: 257. PMID: 12676895, PMCID: PMC1735430, DOI: 10.1136/jmg.40.4.257.Peer-Reviewed Original ResearchConceptsNon-pigmented ciliary epithelial cellsGlaucoma patientsEpithelium of corneaNPE cell linesNPE cellsAqueous humor productionCultured NPE cellsGlaucoma eyesIntraocular pressureAqueous humor secretionGlaucomatous eyesCAIX expressionCiliary epithelial cellsCAXII expressionEye donorsCA9 mRNANormal eyesPlasma membrane proteinsEmbryonic eye developmentFundamental physiological processesGlaucoma donorsGlaucomaCiliary epitheliumCAIXEpithelial cellsCRALBP transcriptional regulation in ciliary epithelial, retinal Müller and retinal pigment epithelial cells
Kennedy BN, Li C, Ortego J, Coca-Prados M, Sarthy VP, Crabb JW. CRALBP transcriptional regulation in ciliary epithelial, retinal Müller and retinal pigment epithelial cells. Experimental Eye Research 2003, 76: 257-260. PMID: 12565814, DOI: 10.1016/s0014-4835(02)00308-1.Peer-Reviewed Original ResearchConceptsTranscriptional regulationBinding Protein FunctionsCell-specific expressionPromoter analysisProtein functionRepressor elementEnhancer elementsPromoter constructsReporter activityRetinal pigment epithelial cellsPigment epithelial cellsCiliary epitheliumEpithelial cellsVisual cycleRPE cellsBPRegulationRetinal pigment epitheliumCellsMüller cellsGenesMutationsRLBP1 geneEpitheliumWildtype
2002
Protein tyrosine kinase and protein phosphatase signaling pathways regulate volume-sensitive chloride currents in a nonpigmented ciliary epithelial cell line.
Shi C, Barnes S, Coca-Prados M, Kelly ME. Protein tyrosine kinase and protein phosphatase signaling pathways regulate volume-sensitive chloride currents in a nonpigmented ciliary epithelial cell line. Investigative Ophthalmology & Visual Science 2002, 43: 1525-32. PMID: 11980870.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Line, TransformedChloride ChannelsCiliary BodyEnzyme ActivationEnzyme InhibitorsEpithelial CellsPatch-Clamp TechniquesPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphoprotein PhosphatasesPhosphorylationProtein-Tyrosine KinasesRabbitsSignal TransductionConceptsProtein tyrosine kinasesProtein tyrosine kinase inhibitorTyrosine kinaseOkadaic acidPP-1Ciliary epithelial cellsHyposmotic stimulationC-Src tyrosine kinasePI3KProtein phosphatase inhibitorPKC inhibitorEpithelial cellsSrc tyrosine kinaseCiliary epithelial cell linePhosphatidylinositol-3 kinase inhibitorKinase inhibitorsProtein phosphatasePhosphatase inhibitorCl- currentEpithelial cell lineNonpigmented ciliary epithelial cellsCell swellingKinasePKC activatorTyrosine kinase inhibitors
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 ATPCAMP
2000
Similarity of A3-adenosine and swelling-activated Cl− channels in nonpigmented ciliary epithelial cells
Carré D, Mitchell C, Peterson-Yantorno K, Coca-Prados M, Civan M. Similarity of A3-adenosine and swelling-activated Cl− channels in nonpigmented ciliary epithelial cells. American Journal Of Physiology - Cell Physiology 2000, 279: c440-c451. PMID: 10913011, DOI: 10.1152/ajpcell.2000.279.2.c440.Peer-Reviewed Original ResearchNa+/H+ and Cl–/HCO3–-antiporters of bovine pigmented ciliary epithelial cells
Counillon L, Touret N, Bidet M, Peterson-Yantorno K, Coca-Prados M, Stuart-Tilley A, Wilhelm S, Alper S, Civan M. Na+/H+ and Cl–/HCO3–-antiporters of bovine pigmented ciliary epithelial cells. Pflügers Archiv - European Journal Of Physiology 2000, 440: 667-678. PMID: 11007305, DOI: 10.1007/s004240000302.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnion Transport ProteinsAntiportersCattleCell Line, TransformedChloride-Bicarbonate AntiportersCiliary BodyEpithelial CellsImmunohistochemistryMembrane ProteinsMicroscopy, FluorescenceMicroscopy, VideoModels, BiologicalPigmentationReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSLC4A ProteinsSodiumSodium-Hydrogen ExchangersConceptsAqueous humor formationCl-/HCO3Epithelial cell layerTranscriptase-polymerase chain reaction amplificationPE cellsCell layerHuman ciliary bodyAE2 Cl-/HCO3Medical therapyNHE-1 isoformCiliary epithelial cellsCiliary bodyAqueous humorCiliary epithelial bilayerPolymerase chain reaction amplificationChain reaction amplificationNHE-1Rabbit ciliary epitheliumCiliary epitheliumEpithelial cellsBovine pigmented ciliary epithelial cellsGap junctionsRegulatory volume increasePigmented ciliary epithelial cellsExternal Cl
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-Methylpiperazine4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid4-Acetamido-4'-isothiocyanatostilbene-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 shockDifferential gene expression in the human ciliary epithelium
Coca-Prados M, Escribano J, Ortego J. Differential gene expression in the human ciliary epithelium. Progress In Retinal And Eye Research 1999, 18: 403-429. PMID: 10192520, DOI: 10.1016/s1350-9462(98)00026-3.Peer-Reviewed Original ResearchConceptsDifferential gene expressionCell-specific expressionDiversity of functionsExpression of genesOcular ciliary bodySubtractive libraryNeuropeptide processing enzymesMolecular basisGene expressionCultured ciliary epithelial cellsCell differentiationCiliary epitheliumHuman ciliary epitheliumAntioxidative enzymesGenesCiliary epithelial cellsRegulatory peptidesLight-dark cycleEpithelial cellsMuscle cellsCiliary muscle cellsAutocrine mechanismExpressionPlasma proteinsParacrine mechanismsFunctional Expression of Components of the Natriuretic Peptide System in Human Ocular Nonpigmented Ciliary Epithelial Cells
Ortego J, Coca-Prados M. Functional Expression of Components of the Natriuretic Peptide System in Human Ocular Nonpigmented Ciliary Epithelial Cells. Biochemical And Biophysical Research Communications 1999, 258: 21-28. PMID: 10222228, DOI: 10.1006/bbrc.1999.0573.Peer-Reviewed Original ResearchConceptsNatriuretic peptide systemNPR-B receptorNPR-C receptorCiliary epithelial cellsReceptor mRNACiliary epitheliumEpithelial cellsNPE cellsCGMP responseAutocrine/paracrine modulatorPeptide systemHuman ocular ciliary epitheliumNonpigmented ciliary epithelial cellsOcular ciliary epitheliumCultured NPE cellsLong-term downregulationC-ANP4Paracrine modulatorEye pressureBNPActivation of PKCBasal levelsInhibitory effectRT-PCRReceptorsA3 adenosine receptors regulate Cl−channels of nonpigmented ciliary epithelial cells
Mitchell C, Peterson-Yantorno K, Carré D, McGlinn A, Coca-Prados M, Stone R, Civan M. A3 adenosine receptors regulate Cl−channels of nonpigmented ciliary epithelial cells. American Journal Of Physiology 1999, 276: c659-c666. PMID: 10069993, DOI: 10.1152/ajpcell.1999.276.3.c659.Peer-Reviewed Original ResearchConceptsAgonist N6HCE cellsIB-MECAA3 receptorsAdenosine receptorsCiliary processesA2A agonist CGS 21680Rabbit ciliary processesCiliary epitheliumA1-selective agonist N6Specific adenosine receptorsAgonist CGS 21680NPE cellsCl- channelsNonpigmented ciliary epithelial cellsA3 adenosine receptorHuman NPE cellsCGS 21680Ciliary epithelial cellsReceptor subtypesIntracellular Ca2MicroM adenosineRabbit ciliary epitheliumRT-PCREpithelial cells