2018
Identification of myocilin as a blood plasma protein and analysis of its role in leukocyte adhesion to endothelial cell monolayers
Aroca-Aguilar JD, Fernández-Navarro A, Ontañón J, Coca-Prados M, Escribano J. Identification of myocilin as a blood plasma protein and analysis of its role in leukocyte adhesion to endothelial cell monolayers. PLOS ONE 2018, 13: e0209364. PMID: 30557320, PMCID: PMC6296516, DOI: 10.1371/journal.pone.0209364.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBlood ProteinsBlotting, WesternCell AdhesionCytoskeletal ProteinsEye ProteinsFemaleGlycoproteinsHealthy VolunteersHEK293 CellsHuman Umbilical Vein Endothelial CellsHumansLeukocytesLiverMaleMiddle AgedProteolysisReal-Time Polymerase Chain ReactionRNA, MessengerThymus GlandConceptsPresence of myocilinEndothelial cell monolayersWestern immunoblotNon-ocular tissuesCell monolayersLymphoid organsLymphoid tissueT lymphocytesLeukocyte adhesionMatricellular proteinPlasma proteinsHuman myocilinLeukocytesMyocilinSerum proteinsPutative roleQuantitative PCRBlood plasmaLiverBiological activityAnti-adhesive proteinImmunoblotVivo proteolytic processingNew biological propertiesTissue
2013
Bicarbonate-Dependent Secretion and Proteolytic Processing of Recombinant Myocilin
Aroca-Aguilar JD, Martínez-Redondo F, Martín-Gil A, Pintor J, Coca-Prados M, Escribano J. Bicarbonate-Dependent Secretion and Proteolytic Processing of Recombinant Myocilin. PLOS ONE 2013, 8: e54385. PMID: 23342144, PMCID: PMC3547000, DOI: 10.1371/journal.pone.0054385.Peer-Reviewed Original ResearchConceptsIrreversible visual lossElevated intraocular pressureIntracellular accumulationC-terminal fragmentVisual lossOptic neuropathyIntraocular pressureIntracellular proteolytic processingProteolytic processingOcular tissuesRecombinant myocilinCalpain IICellular modelMyocilinSecretionPossible factorsExtracellular glycoproteinNeuropathyGlaucoma
2008
Heterozygous expression of myocilin glaucoma mutants increases secretion of the mutant forms and reduces extracellular processed myocilin.
Aroca-Aguilar JD, Sánchez-Sánchez F, Martínez-Redondo F, Coca-Prados M, Escribano J. Heterozygous expression of myocilin glaucoma mutants increases secretion of the mutant forms and reduces extracellular processed myocilin. Molecular Vision 2008, 14: 2097-108. PMID: 19023451, PMCID: PMC2585175.Peer-Reviewed Original ResearchConceptsWild-type myocilinWild-type proteinMyocilin mutantsMutant myocilinMutant formsProteolytic processingMissense mutant formsHEK 293T cellsMyocilin geneMutant proteinsSecretory pathwayUnidentified functionExtracellular proteinsMutantsEndoproteolytic processingRecombinant mutantsMyocilin secretionCellular fractionsHeterozygous expressionMyocilinProteinUnknown mechanismExtracellular amountSDS-PAGEHeterozygous state
2007
Characterization of the Intracellular Proteolytic Cleavage of Myocilin and Identification of Calpain II as a Myocilin-processing Protease*
Sánchez-Sánchez F, Martínez-Redondo F, Aroca-Aguilar JD, Coca-Prados M, Escribano J. Characterization of the Intracellular Proteolytic Cleavage of Myocilin and Identification of Calpain II as a Myocilin-processing Protease*. Journal Of Biological Chemistry 2007, 282: 27810-27824. PMID: 17650508, DOI: 10.1074/jbc.m609608200.Peer-Reviewed Original ResearchConceptsExtracellular calciumCalpain IICalcium-activated proteaseIntraocular pressureT cellsIntracellular proteolytic cleavageCalpain inhibitorsCalcium uptakeProteolytic cleavageCalpain inhibitor IVOlfactomedin-like domainCalpain IInhibitor IVMyocilinEndoplasmic reticulumIntracellular processingLumenRNA interference knockdownCalciumProteolytic processingCellsCulture mediumGlaucomaSubcellular fractionationEndoproteolytic processing
2005
Myocilin Mutations Causing Glaucoma Inhibit the Intracellular Endoproteolytic Cleavage of Myocilin between Amino Acids Arg226 and Ile227 *
Aroca-Aguilar JD, Sánchez-Sánchez F, Ghosh S, Coca-Prados M, Escribano J. Myocilin Mutations Causing Glaucoma Inhibit the Intracellular Endoproteolytic Cleavage of Myocilin between Amino Acids Arg226 and Ile227 *. Journal Of Biological Chemistry 2005, 280: 21043-21051. PMID: 15795224, DOI: 10.1074/jbc.m501340200.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsArginineBlotting, WesternBrefeldin ACattleCell LineComputational BiologyCOS CellsCulture MediaCytoskeletal ProteinsExtracellular Matrix ProteinsEye ProteinsGlaucomaGlycoproteinsGreen Fluorescent ProteinsHumansIsoleucineLeucineMicroscopy, FluorescenceMolecular Sequence DataMutationPeptidesPhenotypeProtein Structure, TertiarySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTransfectionConceptsMyocilin mutationPathogenesis of glaucomaCause of blindnessSevere glaucoma phenotypeHuman aqueous humorAqueous humorOcular tissuesGlaucoma phenotypeNonocular tissuesWestern immunoblot analysisGlaucomaPathogenic mutationsOlfactomedin-like domainEndoproteolytic processingWild-type myocilinCell linesImmunoblot analysisMyocilinEndoproteolytic cleavageLeucine zipper-like domainMutant myocilinNormal roleHuman organsInhibitionTissue