2022
XBP1 Activation Reduces Severity of Polycystic Kidney Disease due to a Nontruncating Polycystin-1 Mutation in Mice
Krappitz M, Bhardwaj R, Dong K, Staudner T, Yilmaz DE, Pioppini C, Westergerling P, Ruemmele D, Hollmann T, Nguyen TA, Cai Y, Gallagher AR, Somlo S, Fedeles S. XBP1 Activation Reduces Severity of Polycystic Kidney Disease due to a Nontruncating Polycystin-1 Mutation in Mice. Journal Of The American Society Of Nephrology 2022, 34: 110-121. PMID: 36270750, PMCID: PMC10101557, DOI: 10.1681/asn.2021091180.Peer-Reviewed Original ResearchConceptsPolycystin-1Polycystin-2Functional polycystin-1Amino acid substitution mutationsAutosomal dominant polycystic kidney diseaseIntegral membrane proteinsTranscription factor XBP1Unfolded protein responsePost-translational maturationAcid substitution mutationsEndoplasmic reticulum chaperoneCiliary traffickingXBP1 activityChaperone functionIntegral membraneActive XBP1Polycystic kidney diseaseMembrane proteinsPC1 functionsPrimary ciliaProtein responseHypomorphic mutationsTransgenic activationSubstitution mutationsTransgenic expression
2017
Isolated polycystic liver disease genes define effectors of polycystin-1 function
Besse W, Dong K, Choi J, Punia S, Fedeles SV, Choi M, Gallagher AR, Huang EB, Gulati A, Knight J, Mane S, Tahvanainen E, Tahvanainen P, Sanna-Cherchi S, Lifton RP, Watnick T, Pei YP, Torres VE, Somlo S. Isolated polycystic liver disease genes define effectors of polycystin-1 function. Journal Of Clinical Investigation 2017, 127: 1772-1785. PMID: 28375157, PMCID: PMC5409105, DOI: 10.1172/jci90129.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsCalcium-Binding ProteinsCell Line, TransformedCystsEndoplasmic ReticulumFemaleGenome-Wide Association StudyGlucosidasesGlucosyltransferasesHeterozygoteHumansIntracellular Signaling Peptides and ProteinsLiver DiseasesMaleMembrane ProteinsMiceMolecular ChaperonesMutationRNA-Binding ProteinsSEC Translocation ChannelsTRPP Cation ChannelsConceptsPolycystin-1 functionPolycystin-1Protein biogenesis pathwaysGenome-wide basisPolycystic liver diseaseLoss-of-function mutationsWhole-exome sequencingHeterozygous loss-of-function mutationsBiogenesis pathwayLoss of functionAdditional genesDisease genesGene productsCell line modelsCandidate genesExome sequencingEndoplasmic reticulumCausative genesFunction mutationsGenesAutosomal dominant polycystic kidney diseaseDominant polycystic kidney diseaseSec63Defective maturationKidney cysts