2015
Sec63 and Xbp1 regulate IRE1α activity and polycystic disease severity
Fedeles SV, So JS, Shrikhande A, Lee SH, Gallagher AR, Barkauskas CE, Somlo S, Lee AH. Sec63 and Xbp1 regulate IRE1α activity and polycystic disease severity. Journal Of Clinical Investigation 2015, 125: 1955-1967. PMID: 25844898, PMCID: PMC4463201, DOI: 10.1172/jci78863.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineDisease Models, AnimalDNA HelicasesDNA-Binding ProteinsEndoribonucleasesFemaleGlucosidasesIntracellular Signaling Peptides and ProteinsKidneyMaleMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMolecular ChaperonesPolycystic Kidney, Autosomal DominantPolycystic Kidney, Autosomal RecessiveProtein Serine-Threonine KinasesProtein Structure, TertiaryReceptors, G-Protein-CoupledRecombinant Fusion ProteinsRegulatory Factor X Transcription FactorsRNA SplicingRNA, Small InterferingRNA-Binding ProteinsTranscription FactorsTransfectionTRPP Cation ChannelsUnfolded Protein ResponseX-Box Binding Protein 1ConceptsG protein-coupled receptor proteolysis siteCyst formationPolycystic liver diseaseGPS cleavagePolycystin-1IRE1α-XBP1 branchMurine genetic modelsPolycystic kidney phenotypeLiver diseasePolycystic diseaseCystic diseaseDisease manifestationsMurine modelDisease severityKidney phenotypeXBP1 activationUnfolded protein response pathwayDiseaseXBP1 overexpressionPC1 functionsProtein response pathwayEnforced expressionMiceXBP1Activation of XBP1
2012
Different effects of Sec61α, Sec62 and Sec63 depletion on transport of polypeptides into the endoplasmic reticulum of mammalian cells
Lang S, Benedix J, Fedeles SV, Schorr S, Schirra C, Schäuble N, Jalal C, Greiner M, Haßdenteufel S, Tatzelt J, Kreutzer B, Edelmann L, Krause E, Rettig J, Somlo S, Zimmermann R, Dudek J. Different effects of Sec61α, Sec62 and Sec63 depletion on transport of polypeptides into the endoplasmic reticulum of mammalian cells. Journal Of Cell Science 2012, 125: 1958-1969. PMID: 22375059, PMCID: PMC4074215, DOI: 10.1242/jcs.096727.Peer-Reviewed Original ResearchConceptsPost-translational transportTail-anchored proteinsSEC61A1 geneEndoplasmic reticulumTransport of polypeptidesCo-translational transportSemi-permeabilized cellsPrecursor proteinSEC62 geneSec61 channelPresecretory proteinsMembrane integrationProtein transportMammalian cellsKnockdown approachHuman cellsGenesHeLa cellsProteinPolypeptideReticulumCellsSec63pSec61αSec63