2024
Neuroendocrine Properties of the Ciliary Epithelium
Coca-Prados M. Neuroendocrine Properties of the Ciliary Epithelium. 2024 DOI: 10.1016/b978-0-443-13820-1.00083-9.Peer-Reviewed Original ResearchGene expressionExpression of bioactive peptidesIdentity of genesGene expression of enzymesMicroarray-based analysisExpression of enzymesSensor proteinsRegulate metabolismGenesPhysiological processesCiliary epitheliumPhysiological functionsT4 to T3Neuronal Ca2Neuroendocrine propertiesVasoconstrictive functionVasoactive aminesPeptide receptorBioactive peptidesIon channelsMetabolismPeptideEyesEnzymeProtein
2020
Role of GUCA1C in Primary Congenital Glaucoma and in the Retina: Functional Evaluation in Zebrafish
Morales-Cámara S, Alexandre-Moreno S, Bonet-Fernández J, Atienzar-Aroca R, Aroca-Aguilar J, Ferre-Fernández J, Méndez C, Morales L, Fernández-Sánchez L, Cuenca N, Coca-Prados M, Martínez-de-la-Casa J, Garcia-Feijoo J, Escribano J. Role of GUCA1C in Primary Congenital Glaucoma and in the Retina: Functional Evaluation in Zebrafish. Genes 2020, 11: 550. PMID: 32422965, PMCID: PMC7288452, DOI: 10.3390/genes11050550.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmino Acid SequenceAnimalsApoptosisBase SequenceCRISPR-Cas SystemsFemaleGene EditingGene Knockout TechniquesGlaucomaGliosisGuanylate Cyclase-Activating ProteinsHigh-Throughput Nucleotide SequencingHumansMaleMiddle AgedPedigreeRetinaReverse Transcriptase Polymerase Chain ReactionSequence AlignmentSequence Homology, Amino AcidZebrafishZebrafish ProteinsConceptsPrimary congenital glaucomaCongenital glaucomaRetinal ganglion cell layerRetinal ganglion cell apoptosisCiliary epitheliumGlial fibrillary acidic proteinWhole-exome sequencing analysisGanglion cell layerGanglion cell apoptosisHuman ocular ciliary epitheliumFibrillary acidic proteinOcular anterior segmentIntraocular pressure regulationOcular ciliary epitheliumNon-pigmented ciliary epitheliumAutosomal recessive fashionOptical neuropathyOcular effectsRetinal damageMüller cellsAnterior segmentPressure regulationAcidic proteinKnockout animalsGuanylate cyclase
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
2013
MRP4 and MRP5 in the ciliary epithelium of the eye and their potential role in regulating extracellular cAMP levels
Hotchkiss A, Pasumarthi K, Coca‐Prados M, Pelis R. MRP4 and MRP5 in the ciliary epithelium of the eye and their potential role in regulating extracellular cAMP levels. The FASEB Journal 2013, 27: 732.3-732.3. DOI: 10.1096/fasebj.27.1_supplement.732.3.Peer-Reviewed Original ResearchMultidrug resistance-associated proteinCAMP levelsExtracellular cAMP levelsCiliary epitheliumAqueous humor dynamicsResistance-associated proteinCiliary epithelial cell lineHuman ciliary bodyCE cellsEpithelial cell lineMRP inhibitorsCiliary bodyAdrenergic stimulationIntracellular cAMPIntracellular accumulationPotential roleCell linesIndomethacinFurosemideMRP4Cyclic nucleotidesMRP5EpitheliumIbuprofenCells
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
2010
Neuroendocrine Properties of the Ciliary Epithelium
Coca-Prados M. Neuroendocrine Properties of the Ciliary Epithelium. 2010, 107-112. DOI: 10.1016/b978-0-12-374203-2.00088-9.Peer-Reviewed Original ResearchCiliary epitheliumAqueous humorOcular hypotensive actionSame embryological originRetinal pigment epitheliumEye aqueous humorOcular ciliary epitheliumHypotensive actionAqueous humor secretionAnterior segmentEndocrine factorsPigment epitheliumNeuroendocrine propertiesEndocrine systemEmbryological originNeuroepithelial cellsEpitheliumAvascular tissueNeuropeptidesBioactive peptidesCellsCell communicationRetinaHormoneSecretion
2009
Localization of Multidrug Resistance-Associated Protein 2 in the Nonpigmented Ciliary Epithelium of the Eye
Pelis RM, Shahidullah M, Ghosh S, Coca-Prados M, Wright SH, Delamere NA. Localization of Multidrug Resistance-Associated Protein 2 in the Nonpigmented Ciliary Epithelium of the Eye. Journal Of Pharmacology And Experimental Therapeutics 2009, 329: 479-485. PMID: 19201990, PMCID: PMC2672870, DOI: 10.1124/jpet.108.149625.Peer-Reviewed Original ResearchConceptsNonpigmented epitheliumMicroM MK571Ciliary bodyMultidrug resistance associated protein 2Therapeutic drugsMrp2 proteinIntracellular accumulationBlood-aqueous barrierNonpigmented ciliary epitheliumProtein 2Human ciliary bodyMicroM indomethacinMRP inhibitorsIntraocular tissuesAqueous humorApical membraneMRP2 mRNAWestern blotMultidrug resistanceCiliary epitheliumMicroM cyclosporinPorcine eyesMRP2Cell layerNative human
2008
Chapter 5 Functional Modulators Linking Inflow with Outflow of Aqueous Humor
Coca‐Prados M, Ghosh S. Chapter 5 Functional Modulators Linking Inflow with Outflow of Aqueous Humor. Current Topics In Membranes 2008, 62: 123-160. DOI: 10.1016/s1063-5823(08)00405-5.Peer-Reviewed Original ResearchCiliary epitheliumAqueous humorHuman ocular ciliary epitheliumMultiple neuroendocrine factorsTrabecular meshwork cellsOcular ciliary epitheliumImmune homeostasisMain cell typesEndocrine loopVasoactive peptidesAnterior segmentCircuitry mechanismsEndocrine factorsNeuroendocrine factorsSteroid hormonesOutflow pathwayNeuroendocrine circuitryMeshwork cellsRegulatory peptidesFunctional modulatorsAqHAvascular tissueCircadian rhythmTissueCell types
2007
New perspectives in aqueous humor secretion and in glaucoma: The ciliary body as a multifunctional neuroendocrine gland
Coca-Prados M, Escribano J. New perspectives in aqueous humor secretion and in glaucoma: The ciliary body as a multifunctional neuroendocrine gland. Progress In Retinal And Eye Research 2007, 26: 239-262. PMID: 17321191, DOI: 10.1016/j.preteyeres.2007.01.002.Peer-Reviewed Original ResearchConceptsIntraocular pressureCiliary bodyAqueous humor secretionAqueous humorCiliary epitheliumGlaucoma-associated genesImmune privilege statusDevelopment of glaucomaGlutamate-metabolizing enzymesPathophysiology of glaucomaAnti-angiogenic factorsSteroid-converting enzymesDiurnal circadian rhythmCiliary blood flowOcular ciliary bodyAnterior segmentBlood flowMultifactorial eventGlaucomaNeuroendocrine systemOutflow pathwayEndocrine communicationEndocrine systemEndocrine peptidesRegulatory peptides
2006
Somatostatin modulates PI3K-Akt, eNOS and NHE activity in the ciliary epithelium
Ghosh S, Choritz L, Geibel J, Coca-Prados M. Somatostatin modulates PI3K-Akt, eNOS and NHE activity in the ciliary epithelium. Molecular And Cellular Endocrinology 2006, 253: 63-75. PMID: 16764985, DOI: 10.1016/j.mce.2006.05.002.Peer-Reviewed Original ResearchConceptsP-Akt Ser473Ciliary epitheliumIntracellular cyclic GMP productionInvolvement of somatostatinDose-dependent attenuationReceptor mRNA expressionCyclic GMP productionSST-like immunoreactivityLack of responseOcular ciliary epitheliumAqueous humorSomatostatinNHE activityExchanger activityMRNA expressionCiliary processesNeuroendocrine cellsPC2 antibodyPI3K-AktMultiple intracellularGMP productionConvertases PC1Increases phosphorylationTissue extractsEpithelium
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 cells
2004
The bovine iris–ciliary epithelium expresses components of rod phototransduction
Ghosh S, Salvador-Silva M, Coca-Prados M. The bovine iris–ciliary epithelium expresses components of rod phototransduction. Neuroscience Letters 2004, 370: 7-12. PMID: 15489008, DOI: 10.1016/j.neulet.2004.07.026.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornArrestinBlotting, NorthernBlotting, WesternCattleCiliary BodyEpitheliumEye ProteinsGene ExpressionG-Protein-Coupled Receptor Kinase 1IrisLight Signal TransductionNeuronsPromoter Regions, GeneticProtein KinasesRetinal Rod Photoreceptor CellsReverse Transcriptase Polymerase Chain ReactionRhodopsinRNA, MessengerTransfectionConceptsCiliary epitheliumIris cellsBasal activityCommon embryonic originOcular ciliary epitheliumNeural retinaWestern blotRT-PCR amplificationRetinaEpitheliumSignificant stimulationBovine irisEmbryonic originStimulationBlotRod phototransductionTransient transfectionNorthern blotRhodopsin kinasePromoter activityDistal promoter elementLow levelsIrisReporter constructsLower vertebratesInhibition of NHE-1 Na+/H+ exchanger by natriuretic peptides in ocular nonpigmented ciliary epithelium
Fidzinski P, Salvador-Silva M, Choritz L, Geibel J, Coca-Prados M. Inhibition of NHE-1 Na+/H+ exchanger by natriuretic peptides in ocular nonpigmented ciliary epithelium. American Journal Of Physiology - Cell Physiology 2004, 287: c655-c663. PMID: 15140751, DOI: 10.1152/ajpcell.00552.2003.Peer-Reviewed Original ResearchConceptsC-type natriuretic peptideAtrial natriuretic peptideBrain natriuretic peptideNatriuretic peptideIntraocular pressureCiliary epitheliumNHE activityNatriuretic peptides atrial natriuretic peptideInhibitory effectType B receptorsNHE-1 activityNonpigmented ciliary epitheliumCell layerGap junction blockersDose-dependent mannerInhibitors of NHEOcular ciliary epitheliumRate of intracellularHypotensive effectJunction blockersTrabecular meshworkMammalian eyeExchanger activityB receptorNHE-1
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 courseInhibition of 11β-hydroxysteroid dehydrogenase type 1 lowers intraocular pressure in patients with ocular hypertension
Rauz S, Cheung C, Wood P, Coca-Prados M, Walker E, Murray P, Stewart P. Inhibition of 11β-hydroxysteroid dehydrogenase type 1 lowers intraocular pressure in patients with ocular hypertension. QJM 2003, 96: 481-490. PMID: 12881590, DOI: 10.1093/qjmed/hcg085.Peer-Reviewed Original ResearchMeSH Keywords11-beta-Hydroxysteroid Dehydrogenase Type 2AgedAqueous HumorCarbenoxoloneCortisoneDouble-Blind MethodEnzyme InhibitorsFemaleHumansHydrocortisoneHydroxysteroid DehydrogenasesIntraocular PressureMaleMineralocorticoid Receptor AntagonistsOcular HypertensionProspective StudiesReceptors, GlucocorticoidConceptsPrimary open-angle glaucomaIntraocular pressureCiliary body tissueOcular hypertensionHealthy volunteersCiliary epitheliumPlacebo-controlled studyOpen-angle glaucomaUrinary cortisol metabolitesAge-matched controlsHuman anterior segmentsDehydrogenase type 1Aqueous humor productionTopical inhibitorsBody tissuesPOAG patientsProspective studyClinical trialsMineralocorticoid receptorCBX administrationAnterior segmentNovel treatmentsPatientsGreater fallCortisone concentrationsSerum- and Glucocorticoid-Regulated Kinase Isoform-1 and Epithelial Sodium Channel Subunits in Human Ocular Ciliary Epithelium
Rauz S, Walker EA, Hughes SV, Coca-Prados M, Hewison M, Murray PI, Stewart PM. Serum- and Glucocorticoid-Regulated Kinase Isoform-1 and Epithelial Sodium Channel Subunits in Human Ocular Ciliary Epithelium. Investigative Ophthalmology & Visual Science 2003, 44: 1643-1651. PMID: 12657604, DOI: 10.1167/iovs.02-0514.Peer-Reviewed Original ResearchMeSH KeywordsAldosteroneBlotting, NorthernCell LineCiliary BodyDexamethasoneDose-Response Relationship, DrugDrug CombinationsEpithelial Sodium ChannelsGene Expression RegulationGlucocorticoidsHormone AntagonistsHumansImmediate-Early ProteinsIn Situ HybridizationIsoenzymesMifepristoneMineralocorticoid Receptor AntagonistsNuclear ProteinsPigment Epithelium of EyeProtein Serine-Threonine KinasesReceptors, GlucocorticoidReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSodium ChannelsSpironolactoneConceptsExpression of SGK1Human ocular ciliary epitheliumODM-2 cellsOcular ciliary epitheliumSodium transportCiliary epitheliumENaC subunitsNPE cell linesEpithelial sodium channel (ENaC) subunitsAqueous humor productionSodium channel subunitsExpression of ENaCRadioligand-binding assaysDose-dependent inductionIsoform 1Epithelial sodium channelCorticosteroid regulationHuman ocularAldosteroneCiliary epithelial bilayerRU26752DexamethasoneRT-PCR analysisSodium channelsChannel subunitsExpression 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
Adult-Onset Primary Open-Angle Glaucoma Caused by Mutations in Optineurin
Rezaie T, Child A, Hitchings R, Brice G, Miller L, Coca-Prados M, Héon E, Krupin T, Ritch R, Kreutzer D, Crick RP, Sarfarazi M. Adult-Onset Primary Open-Angle Glaucoma Caused by Mutations in Optineurin. Science 2002, 295: 1077-1079. PMID: 11834836, DOI: 10.1126/science.1066901.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlternative SplicingAmino Acid SequenceBrainCell Cycle ProteinsChromosome MappingChromosomes, Human, Pair 10Ciliary BodyExonsEye ProteinsFemaleGlaucoma, Open-AngleGolgi ApparatusHeterozygoteHumansIntraocular PressureMaleMembrane Transport ProteinsMiddle AgedMutationMutation, MissenseNerve Tissue ProteinsOcular HypertensionPedigreePolymorphism, Single-Stranded ConformationalRetinaTrabecular MeshworkTranscription Factor TFIIIAZinc FingersConceptsPrimary open-angle glaucomaHereditary primary open-angle glaucomaNormal intraocular pressureOpen-angle glaucomaAdult-onset primary open-angle glaucomaNeuroprotective roleIntraocular pressureAngle glaucomaTumor necrosisLeading causeTrabecular meshworkOPTN geneCiliary epitheliumCausative genesGlaucomaChromosome 10p14OptineurinSequence alterationsNecrosisRetinaIndividualsBrainEpithelium
2001
Molecular Evidence That Human Ocular Ciliary Epithelium Expresses Components Involved in Phototransduction
Bertazolli-Filho R, Ghosh S, Huang W, Wollmann G, Coca-Prados M. Molecular Evidence That Human Ocular Ciliary Epithelium Expresses Components Involved in Phototransduction. Biochemical And Biophysical Research Communications 2001, 284: 317-325. PMID: 11394879, DOI: 10.1006/bbrc.2001.4970.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalArrestinBlotting, WesternCalcium-Binding ProteinsCattleCell LineCiliary BodyCyclic Nucleotide-Gated Cation ChannelsEpithelial CellsEye ProteinsFluorescent Antibody Technique, IndirectG-Protein-Coupled Receptor Kinase 1HippocalcinHumansImmunoblottingImmunohistochemistryIon ChannelsLight Signal TransductionLipoproteinsNerve Tissue ProteinsPhosphoric Diester HydrolasesProtein KinasesProtein SubunitsRecoverinRetinaReverse Transcriptase Polymerase Chain ReactionRhodopsinRNA, MessengerSequence Analysis, DNATransducinConceptsHuman ocular ciliary epitheliumCiliary epitheliumOcular ciliary epitheliumNPE cellsCiliary epithelial cell linePars plicata regionIntact ciliary epitheliumWestern blot analysisCultured NPE cellsEpithelial cell lineExpression of rhodopsinIndirect immunofluorescenceVisual arrestinHuman retinaMonoclonal antibodiesHuman ciliary epitheliumThree- to fourfoldEpitheliumRT-PCRPhotoreceptor cellsRhodopsin mRNABlot analysisCell linesRetinaRhodopsin kinase