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
2003
A3 adenosine and CB1 receptors activate a PKC‐sensitive Cl− current in human nonpigmented ciliary epithelial cells via a Gβγ‐coupled MAPK signaling pathway
Shi C, Szczesniak A, Mao L, Jollimore C, Coca‐Prados M, Hung O, Kelly ME. A3 adenosine and CB1 receptors activate a PKC‐sensitive Cl− current in human nonpigmented ciliary epithelial cells via a Gβγ‐coupled MAPK signaling pathway. British Journal Of Pharmacology 2003, 139: 475-486. PMID: 12788807, PMCID: PMC1573867, DOI: 10.1038/sj.bjp.0705266.Peer-Reviewed Original ResearchMeSH KeywordsCell Line, TransformedChloride ChannelsCiliaDose-Response Relationship, DrugEnzyme ActivationEnzyme InhibitorsEpithelial CellsGTP-Binding Protein beta SubunitsGTP-Binding Protein gamma SubunitsHumansMAP Kinase Signaling SystemProtein Kinase CReceptor, Adenosine A3Receptor, Cannabinoid, CB1ConceptsCB1 receptorsCl- currentSR 141716Receptor agonistNPCE cellsA3 adenosineWhole-cell patch-clamp recordingsCB1 receptor inverse agonistBasal Cl(-) currentCB1 receptor agonistA3 receptor agonistPatch-clamp recordingsHuman CB1 receptorReceptor-transfected cellsReceptor inverse agonistHuman nonpigmented ciliary epithelial cellsSignaling pathwaysAdenosine receptor antagonistNonpigmented ciliary epithelial cellsCiliary epithelial cell linePI3K inhibitorsMitogen-activated protein kinase kinase inhibitorBeta-adrenergic receptor kinaseProtein kinase kinase inhibitorEpithelial cell line
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