2018
Newly synthesized polycystin‐1 takes different trafficking pathways to the apical and ciliary membranes
Gilder AL, Chapin HC, Padovano V, Hueschen CL, Rajendran V, Caplan MJ. Newly synthesized polycystin‐1 takes different trafficking pathways to the apical and ciliary membranes. Traffic 2018, 19: 933-945. PMID: 30125442, PMCID: PMC6237641, DOI: 10.1111/tra.12612.Peer-Reviewed Original ResearchConceptsPolycystin-1Ciliary deliveryBrefeldin AApical deliveryRenal epithelial cellsN-terminal fragmentPolycystin-2LLC-PK1 renal epithelial cellsDifferent trafficking pathwaysTrans-Golgi networkApical membraneEpithelial cellsCultured epithelial cellsTrafficking pathwaysTransmembrane proteinGolgi compartmentPrimary ciliaC-terminal fragmentCiliary membraneC-terminusAutocatalytic cleavageDistinct pathwaysIncubating cellsCell membraneAutosomal dominant polycystic kidney disease
2010
Polycystin-1 Surface Localization Is Stimulated by Polycystin-2 and Cleavage at the G Protein-coupled Receptor Proteolytic Site
Chapin HC, Rajendran V, Caplan MJ. Polycystin-1 Surface Localization Is Stimulated by Polycystin-2 and Cleavage at the G Protein-coupled Receptor Proteolytic Site. Molecular Biology Of The Cell 2010, 21: 4338-4348. PMID: 20980620, PMCID: PMC3002387, DOI: 10.1091/mbc.e10-05-0407.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCell MembraneCiliaFluorescent Antibody TechniqueHEK293 CellsHumansImmunoprecipitationKidneyLLC-PK1 CellsMutationPolycystic Kidney, Autosomal DominantProtein BindingProtein IsoformsProtein Processing, Post-TranslationalProtein Structure, TertiaryProtein TransportSwineTRPP Cation ChannelsConceptsG-protein-coupled receptor proteolytic siteGPS cleavagePC2 channel activitySurface deliveryChannel activityProteolytic siteSurface localizationPlasma membrane localizationC-terminal tailHuman embryonic kidney 293 cellsEmbryonic kidney 293 cellsPC2 mutationsKidney 293 cellsMembrane localizationSecretory pathwayMembrane proteinsBinding partnerTerminal tailPolycystin-2Effect of PC2Plasma membraneCiliary membraneTRP familyLLC-PK cellsCation channels