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 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
2010
Polycystin-2 Activation by Inositol 1,4,5-Trisphosphate-induced Ca2+ Release Requires Its Direct Association with the Inositol 1,4,5-Trisphosphate Receptor in a Signaling Microdomain*
Sammels E, Devogelaere B, Mekahli D, Bultynck G, Missiaen L, Parys JB, Cai Y, Somlo S, De Smedt H. Polycystin-2 Activation by Inositol 1,4,5-Trisphosphate-induced Ca2+ Release Requires Its Direct Association with the Inositol 1,4,5-Trisphosphate Receptor in a Signaling Microdomain*. Journal Of Biological Chemistry 2010, 285: 18794-18805. PMID: 20375013, PMCID: PMC2881802, DOI: 10.1074/jbc.m109.090662.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseDominant polycystic kidney diseasePolycystic kidney diseaseKidney diseaseGlutathione S-transferase pulldown experimentsEndoplasmic reticulumTrisphosphate receptorAgonist-induced intracellularTerminal ligand-binding domainMouse renal epithelial cellsTerminal cytoplasmic tailLigand-binding domainAdenoviral expression systemRenal epithelial cellsSignaling microdomainPathological mutantsPulldown experimentsTrisphosphate-induced Ca2Cytoplasmic tailAcidic clusterPolycystin-1Polycystin-2TRPP2Epithelial cellsExpression systemRegulation of ciliary trafficking of polycystin-2 and the pathogenesis of autosomal dominant polycystic kidney disease.
Cai Y, Tang Z. Regulation of ciliary trafficking of polycystin-2 and the pathogenesis of autosomal dominant polycystic kidney disease. Journal Of Central South University. Medical Sciences. 2010, 35: 93-9. PMID: 20197605, DOI: 10.3969/j.issn.1672-7347.2010.02.001.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseasePolycystic kidney diseaseDominant polycystic kidney diseaseKidney diseasePathogenesis of ADPKDRenal epithelial cellsAccumulated evidenceEpithelial cellsKidney cystsDiseasePathogenesisPossible roleDisorder characteristicsPolycystin-1Polycystin-2Primary cilia
2006
Polycystin-2 traffics to cilia independently of polycystin-1 by using an N-terminal RVxP motif
Geng L, Okuhara D, Yu Z, Tian X, Cai Y, Shibazaki S, Somlo S. Polycystin-2 traffics to cilia independently of polycystin-1 by using an N-terminal RVxP motif. Journal Of Cell Science 2006, 119: 1383-1395. PMID: 16537653, DOI: 10.1242/jcs.02818.Peer-Reviewed Original Research
2004
Deficiency of polycystin‐2 reduces Ca2+ channel activity and cell proliferation in ADPKD lymphoblastoid cells
Aguiari G, Banzi M, Gessi S, Cai Y, Zeggio E, Manzati E, Piva R, Lambertini E, Ferrari L, Peters DJ, Lanza F, Harris PC, Borea PA, Somlo S, del Senno L. Deficiency of polycystin‐2 reduces Ca2+ channel activity and cell proliferation in ADPKD lymphoblastoid cells. The FASEB Journal 2004, 18: 884-886. PMID: 15001556, DOI: 10.1096/fj.03-0687fje.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionB-LymphocytesCalciumCalcium SignalingCell DivisionCell Line, TransformedCodon, NonsenseEndoplasmic ReticulumGentamicinsHumansIon TransportKidneyMembrane ProteinsMutation, MissenseOrgan SpecificityPlatelet Activating FactorPoint MutationPolycystic Kidney, Autosomal DominantProteinsRNA, MessengerSuppression, GeneticTRPP Cation ChannelsConceptsPlatelet-activating factorAutosomal dominant polycystic kidney disease patientsPolycystic kidney disease patientsKidney disease patientsCell proliferationPolycystin-2B lymphoblastoid cellsDisease patientsADPKD patientsB-LCLIntracellular Ca2PKD2 mutationsPC2 levelsKidney epitheliumPatientsChannel activityLymphoblastoid cellsAminoglycoside antibioticsKidney cellsImportant regulatorHEK293 cellsPKD2 geneFunction activityCa2PKD genes
2002
Expression of PKD1 and PKD2 Transcripts and Proteins in Human Embryo and during Normal Kidney Development
Chauvet V, Qian F, Boute N, Cai Y, Phakdeekitacharoen B, Onuchic LF, Attié-Bitach T, Guicharnaud L, Devuyst O, Germino GG, Gubler MC. Expression of PKD1 and PKD2 Transcripts and Proteins in Human Embryo and during Normal Kidney Development. American Journal Of Pathology 2002, 160: 973-983. PMID: 11891195, PMCID: PMC1867156, DOI: 10.1016/s0002-9440(10)64919-x.Peer-Reviewed Original ResearchConceptsPolycystin-1Kidney developmentPolycystin-2Expression patternsPKD1 expressionHuman genetic disordersLarge transmembrane proteinCell-matrix interactionsNormal kidney developmentMutations of PKD1Expression of PKD1Northern blot analysisGenes decreasesTransmembrane proteinHuman embryogenesisEndodermal derivativesSpatiotemporal expressionUreteric budPKD1 transcriptPKD2Transmembrane glycoproteinTranscriptsPKD1Nephron developmentProteinPolycystin-2 is an intracellular calcium release channel
Koulen P, Cai Y, Geng L, Maeda Y, Nishimura S, Witzgall R, Ehrlich BE, Somlo S. Polycystin-2 is an intracellular calcium release channel. Nature Cell Biology 2002, 4: 191-197. PMID: 11854751, DOI: 10.1038/ncb754.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium ChannelsCalcium SignalingEndoplasmic ReticulumHumansIn Vitro TechniquesKidneyLLC-PK1 CellsMembrane PotentialsMembrane ProteinsMiceMice, Inbred C57BLMutationMutation, MissensePolycystic Kidney, Autosomal DominantRecombinant ProteinsSequence DeletionSignal TransductionSwineTRPP Cation ChannelsConceptsAutosomal dominant polycystic kidney diseaseIntracellular calcium release channelsPolycystic kidney diseaseCalcium release channelKidney diseaseTransient receptor potential channelsIntracellular calcium releaseDominant polycystic kidney diseaseRelease channelCalcium release signalsPolycystin-2 functionsType 2 autosomal dominant polycystic kidney diseaseCalcium releasePolycystin-2Single-channel studiesEpithelial cellsPotential channelsDiseaseMissense mutationsRelease signalsCarboxy-terminal truncationDisease-causing missense mutations
1999
The rat Pkd2 protein assumes distinct subcellular distributions in different organs
Obermüller N, Gallagher A, Cai Y, Gassler N, Gretz N, Somlo S, Witzgall R. The rat Pkd2 protein assumes distinct subcellular distributions in different organs. American Journal Of Physiology 1999, 277: f914-f925. PMID: 10600939, DOI: 10.1152/ajprenal.1999.277.6.f914.Peer-Reviewed Original ResearchConceptsPKD2 proteinDifferent cellular compartmentsDistinct subcellular distributionCellular compartmentsBasolateral distributionExpression patternsCytoplasmic locationSubcellular distributionPKD2 geneWidespread expressionCellular distributionAdrenal glandProteinSmooth muscle cellsSalivary glandsMuscle cellsPKD2Autosomal dominant polycystic kidney diseasePolycystic kidney diseaseDifferent organsRenal distal tubulesMutationsIndividual organsDifferent rat organsPKD2 mutationsPolycystin-2 expression is developmentally regulated
Markowitz G, Cai Y, Li L, Wu G, Ward L, Somlo S, D’Agati V. Polycystin-2 expression is developmentally regulated. American Journal Of Physiology 1999, 277: f17-f25. PMID: 10409293, DOI: 10.1152/ajprenal.1999.277.1.f17.Peer-Reviewed Original ResearchConceptsPKD2 expressionMultiple mesenchymal tissuesLow-level stainingPostnatal day 14Low-intensity stainingRed blood cell precursorsPolycystin-2 expressionMultiple endocrine organsBlood cell precursorsAdrenal cortexEndocrine organDistal tubulesSmooth muscleProximal tubulesDay 14Day E12.5Adult patternBasolateral stainingCell precursorsMesenchymal tissueAdult kidneyOrgan-specific functionsEmbryonic dayStrong expressionStaining
1998
Somatic Inactivation of Pkd2 Results in Polycystic Kidney Disease
Wu G, D'Agati V, Cai Y, Markowitz G, Park J, Reynolds D, Maeda Y, Le T, Hou H, Kucherlapati R, Edelmann W, Somlo S. Somatic Inactivation of Pkd2 Results in Polycystic Kidney Disease. Cell 1998, 93: 177-188. PMID: 9568711, DOI: 10.1016/s0092-8674(00)81570-6.Peer-Reviewed Original ResearchConceptsCellular recessive mechanismIntragenic homologous recombinationExon 1True null alleleMutant exon 1Somatic inactivationPkd2 resultsRenal cyst formationPKD2 proteinPolycystic kidney diseaseHomologous recombinationNull allelesHuman phenotypesPKD2 expressionUnstable alleleSomatic lossPKD2Autosomal dominant polycystic kidney diseaseDominant polycystic kidney diseaseMutationsGermline mutationsRecessive mechanismAllelesInactivationCyst formation