2022
Non-cell-autonomous activation of hedgehog signaling contributes to disease progression in a mouse model of renal cystic ciliopathy
Hsieh CL, Jerman SJ, Sun Z. Non-cell-autonomous activation of hedgehog signaling contributes to disease progression in a mouse model of renal cystic ciliopathy. Human Molecular Genetics 2022, 31: 4228-4240. PMID: 35904445, PMCID: PMC9759329, DOI: 10.1093/hmg/ddac175.Peer-Reviewed Original ResearchConceptsHh pathwayAutonomous activationMesenchymal cellsPolycystic kidney diseaseEpithelial cellsCre miceGli inhibitor GANT61Reporter mouse linePrimary ciliaHH signalingHedgehog signalingPKD pathogenesisArl13bSonic hedgehogMutant kidneysPKD modelPKD progressionHh activationKidney functionKidney diseaseCyst progressionCo-culture systemMouse linesMouse modelDistal nephron
2013
Polycystin-2 mutations lead to impaired calcium cycling in the heart and predispose to dilated cardiomyopathy
Paavola J, Schliffke S, Rossetti S, Kuo I, Yuan S, Sun Z, Harris PC, Torres VE, Ehrlich BE. Polycystin-2 mutations lead to impaired calcium cycling in the heart and predispose to dilated cardiomyopathy. Journal Of Molecular And Cellular Cardiology 2013, 58: 199-208. PMID: 23376035, PMCID: PMC3636149, DOI: 10.1016/j.yjmcc.2013.01.015.Peer-Reviewed Original ResearchConceptsAutosomal dominant polycystic kidney diseaseHeart failureCalcium cyclingCardiac functionProteins polycystin-1Low cardiac outputHuman autosomal dominant polycystic kidney diseaseDominant polycystic kidney diseaseImpaired calcium cyclingIntracellular calcium cyclingCause of mortalityIntracellular calcium signalingPolycystic kidney diseasePolycystin-2Intracellular calcium channelsAtrioventricular blockCardiac outputKidney diseaseADPKD patientsCardiovascular diseaseRenal epithelial cellsCalcium channelsDilated CardiomyopathyPKD2 mutationsEpithelial cells
2011
The γ-Secretase Cleavage Product of Polycystin-1 Regulates TCF and CHOP-Mediated Transcriptional Activation through a p300-Dependent Mechanism
Merrick D, Chapin H, Baggs JE, Yu Z, Somlo S, Sun Z, Hogenesch JB, Caplan MJ. The γ-Secretase Cleavage Product of Polycystin-1 Regulates TCF and CHOP-Mediated Transcriptional Activation through a p300-Dependent Mechanism. Developmental Cell 2011, 22: 197-210. PMID: 22178500, PMCID: PMC3264829, DOI: 10.1016/j.devcel.2011.10.028.Peer-Reviewed Original ResearchMeSH KeywordsAmyloid Precursor Protein SecretasesAnimalsApoptosisCell ProliferationCells, CulturedCystsEmbryo, NonmammalianHumansImmunoblottingImmunoprecipitationKidneyP300-CBP Transcription FactorsPhenotypePolycystic Kidney, Autosomal DominantTCF Transcription FactorsTranscription Factor CHOPTranscriptional ActivationTRPP Cation ChannelsWnt Signaling PathwayZebrafishConceptsCarboxy-terminal tailPolycystin-1P300-dependent mechanismTranscription factor TCFTranscriptional coactivator p300Cultured renal epithelial cellsΓ-secretase-mediated cleavageAutosomal dominant polycystic kidney diseaseRenal epithelial cellsTranscriptional activationZebrafish embryosCoactivator p300Γ-secretase activityNormal growth ratePKD1 expressionNull cellsProtein fragmentsCyst formationΓ-secretase inhibitionCHOP pathwayApoptosisEpithelial cellsCleavage productsPolycystic kidney diseaseExpressionQilin Is Essential for Cilia Assembly and Normal Kidney Development in Zebrafish
Li J, Sun Z. Qilin Is Essential for Cilia Assembly and Normal Kidney Development in Zebrafish. PLOS ONE 2011, 6: e27365. PMID: 22102889, PMCID: PMC3216947, DOI: 10.1371/journal.pone.0027365.Peer-Reviewed Original ResearchConceptsCilia assemblyIFT complex B proteinsKidney developmentForward genetic screenCoiled-coil domainEssential roleKidney cystsNormal kidney developmentGenetic screenMutant phenotypeVestigial organelleNovel genesPolycystic kidney diseaseCilia formationDeletion analysisB geneB proteinB mutantsGenetic analysisMeckel-Gruber syndromeN-terminusFunctional analysisRescue experimentsZebrafishHuman diseases
2009
Chemical modifier screen identifies HDAC inhibitors as suppressors of PKD models
Cao Y, Semanchik N, Lee SH, Somlo S, Barbano PE, Coifman R, Sun Z. Chemical modifier screen identifies HDAC inhibitors as suppressors of PKD models. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 21819-21824. PMID: 19966229, PMCID: PMC2799791, DOI: 10.1073/pnas.0911987106.Peer-Reviewed Original ResearchConceptsKidney cyst formationCommon human genetic diseasesLarge-scale high-throughput screensHDAC inhibitorsBody curvatureChemical modifier screensHuman genetic diseasesPolycystic kidney diseaseHigh-throughput screenModifier screenSpecific HDAC inhibitorsCyst formationClass I HDACsCausal genesKnockdown animalsCiliary signalsPKD pathogenesisPan-HDAC inhibitorsPKD modelLaterality defectsGenetic diseasesPKD treatmentZebrafishAutosomal dominant polycystic kidney diseaseDrug candidates