2020
A cut above (and below): Protein cleavage in the regulation of polycystin trafficking and signaling
Padovano V, Mistry K, Merrick D, Gresko N, Caplan MJ. A cut above (and below): Protein cleavage in the regulation of polycystin trafficking and signaling. Cellular Signalling 2020, 72: 109634. PMID: 32283256, PMCID: PMC7269866, DOI: 10.1016/j.cellsig.2020.109634.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell AdhesionHumansOsteogenesisProtein TransportProteolysisSignal TransductionTRPP Cation ChannelsConceptsPolycystin-1Polycystin proteinsG proteinsPolycystin-1 proteinProtein maturationTerminal tailObligate stepBiological pathwaysProtein cleavagePhysiological functionsProteolytic siteProteinPathological consequencesAutosomal dominant polycystic kidney diseaseTraffickingDominant polycystic kidney diseasePolycystic kidney diseasePrimary functionCleavageRegulationMaturationGenesMitochondriaValuable insightsPathway
2015
Dual pulse-chase microscopy reveals early divergence in the biosynthetic trafficking of the Na,K-ATPase and E-cadherin
Farr GA, Hull M, Stoops EH, Bateson R, Caplan MJ. Dual pulse-chase microscopy reveals early divergence in the biosynthetic trafficking of the Na,K-ATPase and E-cadherin. Molecular Biology Of The Cell 2015, 26: 4401-4411. PMID: 26424804, PMCID: PMC4666135, DOI: 10.1091/mbc.e14-09-1385.Peer-Reviewed Original ResearchConceptsTrans-Golgi networkPlasma membraneE-cadherinK-ATPasePolarized MDCK epithelial cellsPost-Golgi traffickingCell surfacePolarized epithelial cellsEpithelial cellsMDCK epithelial cellsDistinct trafficking routesBiosynthetic traffickingCarrier vesiclesSecretory pathwayMembrane proteinsSurface deliveryBasolateral domainMost proteinsTrafficking routesGolgi complexTemperature blockTraffickingProteinMembraneCells
2011
AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦
Zhang L, Jouret F, Rinehart J, Sfakianos J, Mellman I, Lifton RP, Young LH, Caplan MJ. AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦. Journal Of Biological Chemistry 2011, 286: 16879-16890. PMID: 21383016, PMCID: PMC3089531, DOI: 10.1074/jbc.m110.186932.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsCadherinsCalciumCell AdhesionCell MembraneDogsEpitheliumGene Expression Regulation, EnzymologicGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaMembrane ProteinsMicroscopy, FluorescencePhosphoproteinsPhosphorylationRNA InterferenceTight JunctionsZonula Occludens-1 ProteinConceptsProtein kinase activationTight junction componentsJunction componentsPlasma membraneAMPK activationKinase activationGSK-3β inhibitionNectin-afadin systemEpithelial tight junctionsTight junctionsPhosphorylation studiesSynthase kinaseJunctional proteinsAbsence of extracellularDistinct pathwaysCell growthE-cadherinIndependent depositionKinaseActivationInduce Ca2MembraneAfadinExtracellularInhibition