2024
A synthetic agent ameliorates polycystic kidney disease by promoting apoptosis of cystic cells through increased oxidative stress
Fedeles B, Bhardwaj R, Ishikawa Y, Khumsubdee S, Krappitz M, Gubina N, Volpe I, Andrade D, Westergerling P, Staudner T, Campolo J, Liu S, Dong K, Cai Y, Rehman M, Gallagher A, Ruchirawat S, Croy R, Essigmann J, Fedeles S, Somlo S. A synthetic agent ameliorates polycystic kidney disease by promoting apoptosis of cystic cells through increased oxidative stress. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2317344121. PMID: 38241440, PMCID: PMC10823221, DOI: 10.1073/pnas.2317344121.Peer-Reviewed Original ResearchConceptsCyst cellsAutosomal dominant polycystic kidney diseaseMouse models of autosomal dominant polycystic kidney diseasePolycystic kidney diseaseModel of autosomal dominant polycystic kidney diseaseKidney diseaseDeveloped primersMitochondrial oxidative stressPathophysiology of autosomal dominant polycystic kidney diseaseOxidative stressInduce apoptosisMitochondrial respirationCystic cellsUp-regulating aerobic glycolysisHomozygous inactivationMonogenic causeDominant polycystic kidney diseaseAerobic glycolysisRenal replacement therapyApoptosisEnd-stage kidney diseaseAnti-tumor agentsAdult mouse modelChronic kidney diseaseAlkylate DNA
2022
Polycystic Kidney Disease Drug Development: A Conference Report
Liebau M, Mekahli D, Perrone R, Soyfer B, Fedeles S. Polycystic Kidney Disease Drug Development: A Conference Report. Kidney Medicine 2022, 5: 100596. PMID: 36698747, PMCID: PMC9867973, DOI: 10.1016/j.xkme.2022.100596.Peer-Reviewed Original ResearchAutosomal dominant polycystic kidney diseasePolycystic kidney diseaseAutosomal recessive polycystic kidney diseaseRecessive polycystic kidney diseaseKidney diseaseProgression of ADPKDSide effect profileChronic kidney failureDisease-modifying therapiesAutosomal dominant polycystic liver diseasePolycystic liver diseaseTotal kidney volumeDominant polycystic kidney diseaseCritical Path InstituteMechanism of actionCommon monogenic disorderDrug development toolsEffect profileLiver diseaseKidney failureOutcomes ConsortiumEnrichment biomarkerClinical trialsKidney volumeSurrogate endpointsXBP1 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
2020
Disrupting polycystin-2 EF hand Ca2+ affinity does not alter channel function or contribute to polycystic kidney disease
Vien TN, Ng LCT, Smith JM, Dong K, Krappitz M, Gainullin VG, Fedeles S, Harris PC, Somlo S, DeCaen PG. Disrupting polycystin-2 EF hand Ca2+ affinity does not alter channel function or contribute to polycystic kidney disease. Journal Of Cell Science 2020, 133: jcs255562. PMID: 33199522, PMCID: PMC7774883, DOI: 10.1242/jcs.255562.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseasePolycystic kidney diseaseKidney diseaseDominant polycystic kidney diseaseChannel functionPhysiological membrane potentialsPolycystin-2Primary ciliaDuct cellsNew mouseChannel activityDiseaseIon channelsDistinct mutationsInternal CaMembrane potentialChannel regulationHand associationEF-hand Ca2Regulatory mechanismsMutationsMice
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: 3558-3558. PMID: 28862642, PMCID: PMC5669574, DOI: 10.1172/jci96729.Peer-Reviewed Original ResearchPolycystin-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 cystsIsolated 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
2016
Is it Time to Fold the Cysts Away?
Krappitz M, Gallagher AR, Fedeles S. Is it Time to Fold the Cysts Away? Trends In Molecular Medicine 2016, 22: 997-999. PMID: 27793600, DOI: 10.1016/j.molmed.2016.10.001.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseProgression of ADPKDDominant polycystic kidney disease
2014
Altered trafficking and stability of polycystins underlie polycystic kidney disease
Cai Y, Fedeles SV, Dong K, Anyatonwu G, Onoe T, Mitobe M, Gao JD, Okuhara D, Tian X, Gallagher AR, Tang Z, Xie X, Lalioti MD, Lee AH, Ehrlich BE, Somlo S. Altered trafficking and stability of polycystins underlie polycystic kidney disease. Journal Of Clinical Investigation 2014, 124: 5129-5144. PMID: 25365220, PMCID: PMC4348948, DOI: 10.1172/jci67273.Peer-Reviewed Original ResearchConceptsG-protein-coupled receptor proteolytic sitePolycystic kidney diseaseKidney diseaseGPS cleavageAutosomal dominant polycystic kidney diseaseMissense mutationsDominant polycystic kidney diseasePolycystin-1Polycystin-2Murine modelSevere formPathogenic missense mutationsPKD1 mutationsCOOH-terminal fragmentDiseaseMissense variantsExpression levelsFunctional assaysCell-based systemsAltered traffickingSteviol retards renal cyst growth through reduction of CFTR expression and inhibition of epithelial cell proliferation in a mouse model of polycystic kidney disease
Yuajit C, Muanprasat C, Gallagher AR, Fedeles SV, Kittayaruksakul S, Homvisasevongsa S, Somlo S, Chatsudthipong V. Steviol retards renal cyst growth through reduction of CFTR expression and inhibition of epithelial cell proliferation in a mouse model of polycystic kidney disease. Biochemical Pharmacology 2014, 88: 412-421. PMID: 24518257, DOI: 10.1016/j.bcp.2014.01.038.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseasePolycystic kidney diseaseRenal cyst growthCyst-lining epithelial cellsMouse modelKidney diseaseEpithelial cell proliferationEffect of steviolCyst enlargementCyst growthCell proliferationEpithelial cellsBlood urea nitrogenHuman autosomal dominant polycystic kidney diseaseDominant polycystic kidney diseaseOrthologous mouse modelChloride channel expressionRenal epithelial cell proliferationTransepithelial fluid secretionADPKD mouse modelRenal failureKidney functionKidney weightDaily treatmentCreatinine valuesPolycystin-1: a master regulator of intersecting cystic pathways
Fedeles SV, Gallagher AR, Somlo S. Polycystin-1: a master regulator of intersecting cystic pathways. Trends In Molecular Medicine 2014, 20: 251-260. PMID: 24491980, PMCID: PMC4008641, DOI: 10.1016/j.molmed.2014.01.004.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseAutosomal recessive polycystic kidney diseaseAutosomal dominant polycystic liver diseasePolycystic kidney diseaseKidney diseasePolycystic liver diseaseRecessive polycystic kidney diseaseDominant polycystic kidney diseaseLiver diseasePolycystic diseaseCyst growthLethal monogenic disorderCyst formationTranslational implicationsDiseaseMonogenic disordersCausative genesCystic phenotypeRecent dataPolycystin-1Polycystin-2Master regulator