2024
Glis2 is an early effector of polycystin signaling and a target for therapy in polycystic kidney disease
Zhang C, Rehman M, Tian X, Pei S, Gu J, Bell T, Dong K, Tham M, Cai Y, Wei Z, Behrens F, Jetten A, Zhao H, Lek M, Somlo S. Glis2 is an early effector of polycystin signaling and a target for therapy in polycystic kidney disease. Nature Communications 2024, 15: 3698. PMID: 38693102, PMCID: PMC11063051, DOI: 10.1038/s41467-024-48025-6.Peer-Reviewed Original ResearchConceptsMouse models of autosomal dominant polycystic kidney diseaseModel of autosomal dominant polycystic kidney diseasePolycystin signalingAutosomal dominant polycystic kidney diseasePolycystin-1Polycystic kidney diseaseTreat autosomal dominant polycystic kidney diseaseGlis2Primary ciliaKidney tubule cellsSignaling pathwayMouse modelDominant polycystic kidney diseasePotential therapeutic targetTranslatomeAntisense oligonucleotidesKidney diseasePolycystinMouse kidneyFunctional effectorsCyst formationTherapeutic targetInactivationFunctional targetPharmacological targetsA 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 ResearchMeSH KeywordsAnimalsApoptosisCell ProliferationCystsDNAKidneyMiceOxidative StressPolycystic Kidney DiseasesPolycystic Kidney, Autosomal DominantTRPP Cation ChannelsConceptsCyst 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
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 ResearchMeSH KeywordsAdultAnimalsDisease Models, AnimalHumansMiceMutationPolycystic Kidney DiseasesPolycystic Kidney, Autosomal DominantTRPP Cation ChannelsX-Box Binding Protein 1ConceptsPolycystin-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
2021
Renal plasticity revealed through reversal of polycystic kidney disease in mice
Dong K, Zhang C, Tian X, Coman D, Hyder F, Ma M, Somlo S. Renal plasticity revealed through reversal of polycystic kidney disease in mice. Nature Genetics 2021, 53: 1649-1663. PMID: 34635846, PMCID: PMC9278957, DOI: 10.1038/s41588-021-00946-4.Peer-Reviewed Original ResearchConceptsPKD genesAutosomal dominant polycystic kidney diseaseCyst cell proliferationGene functionPolycystic kidney diseaseCell shapeGenesKidney diseaseExtracellular matrix depositionCell proliferationKidney tubule cellsNormal lumensDominant polycystic kidney diseaseUnexpected capacityPhenotypic featuresCyst progressionMatrix depositionCellsPlasticityCyst formationCystic tubulesMyofibroblast activationProliferationSquamoid cellsKidney resultsRestoration of proximal tubule flow-activated transport prevents cyst growth in polycystic kidney disease
Du Z, Tian X, Ma M, Somlo S, Weinstein AM, Wang T. Restoration of proximal tubule flow-activated transport prevents cyst growth in polycystic kidney disease. JCI Insight 2021, 6: e146041. PMID: 33886508, PMCID: PMC8262298, DOI: 10.1172/jci.insight.146041.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzazepinesDisease Models, AnimalFemaleKidneyKidney Tubules, ProximalMaleMiceMice, KnockoutPolycystic Kidney DiseasesReceptors, Dopamine D1TRPP Cation ChannelsConceptsGlomerular filtration rateGlomerulotubular balanceRenal cyst formationCyst formationReceptor 1 antagonistPolycystic kidney diseaseKidney weightUntreated miceDA1 antagonistControl miceKidney diseaseFiltration rateFractional reabsorptionCystic indexMouse modelCyst growthConditional KOHCO3- absorptionHeterozygous miceSame antagonistsMicePT transportAntagonistEpithelial ciliaHCO3- transport
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 ResearchMeSH KeywordsAnimalsCiliaEF Hand MotifsMicePolycystic Kidney DiseasesPolycystic Kidney, Autosomal DominantTRPP Cation ChannelsConceptsAutosomal 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
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
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 ResearchMeSH KeywordsAnimalsCell LineCiliaHumansMiceMice, TransgenicMutation, MissensePolycystic Kidney DiseasesProtein StabilityProtein Structure, TertiaryProtein TransportTRPP Cation ChannelsConceptsG-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 traffickingFilling the Holes in Cystic Kidney Disease Research
Guay-Woodford LM, Henske E, Igarashi P, Perrone RD, Reed-Gitomer B, Somlo S, Torres VE, Ketchum CJ, Star RA, Flessner MF, Rasooly RS. Filling the Holes in Cystic Kidney Disease Research. Clinical Journal Of The American Society Of Nephrology 2014, 9: 1799-1801. PMID: 24903391, PMCID: PMC4186512, DOI: 10.2215/cjn.03410414.Peer-Reviewed Original ResearchConceptsKidney diseaseCystic kidney diseaseKidney Research National DialoguePublic health problemKidney disease researchKidney functionDisease progressionCystic diseaseHealth problemsDiseaseCyst formationNational InstituteDisease researchVariable responseDiabetesPathogenesisDigestiveProgressionPreventionSteviol 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