2016
mTORC1-mediated inhibition of polycystin-1 expression drives renal cyst formation in tuberous sclerosis complex
Pema M, Drusian L, Chiaravalli M, Castelli M, Yao Q, Ricciardi S, Somlo S, Qian F, Biffo S, Boletta A. mTORC1-mediated inhibition of polycystin-1 expression drives renal cyst formation in tuberous sclerosis complex. Nature Communications 2016, 7: 10786. PMID: 26931735, PMCID: PMC4778067, DOI: 10.1038/ncomms10786.Peer-Reviewed Original ResearchConceptsPolycystin-1Genetic interaction studiesTSC genesPolycystic kidney diseaseTuberous sclerosis complex (TSC) genesKidney-specific inactivationPolycystin-1 expressionRenal cyst formationComplex genesContiguous gene syndromeGenesTsc1 mutantsAutosomal dominant polycystic kidney diseaseOpen new perspectivesDominant polycystic kidney diseaseCyst expansionMTOR inhibitorsNew interplayInteraction studiesTuberous sclerosis complexPKD1 mutationsInactivationCyst formationBiogenesisImportant role
2014
N-Glycosylation Determines the Abundance of the Transient Receptor Potential Channel TRPP2*
Hofherr A, Wagner C, Fedeles S, Somlo S, Köttgen M. N-Glycosylation Determines the Abundance of the Transient Receptor Potential Channel TRPP2*. Journal Of Biological Chemistry 2014, 289: 14854-14867. PMID: 24719335, PMCID: PMC4031537, DOI: 10.1074/jbc.m114.562264.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAsparagineBinding SitesBlotting, WesternCell LineCells, CulturedGlucosidasesGlycosylationHEK293 CellsHeLa CellsHumansIntracellular Signaling Peptides and ProteinsLysosomesMass SpectrometryMiceMice, KnockoutMicroscopy, FluorescenceMutationPolycystic Kidney, Autosomal DominantProtein Serine-Threonine KinasesProteolysisPyruvate Dehydrogenase Acetyl-Transferring KinaseConceptsGlucosidase IINon-catalytic β-subunitsProtein expressionFirst extracellular loopAutosomal dominant polycystic liver diseaseEfficient biogenesisGenetic interactionsMembrane proteinsBiochemical approachesN-glycosylationGenetic approachesTRPP2Glycosylation sitesBiological roleLysosomal degradationΒ-subunitChemical inhibitionBiogenesisExtracellular loopNonselective cation channelsIon channelsBiological importanceGlycosylationCation channelsProtein levels