2023
P-001 ClpX is required in maintaining mitochondrial functions during meiosis and spermatogenesis
Guo C, Xiao Y, Gu J, Hua R, Hai Z, Su J, Wang T. P-001 ClpX is required in maintaining mitochondrial functions during meiosis and spermatogenesis. Human Reproduction 2023, 38 DOI: 10.1093/humrep/dead093.371.Peer-Reviewed Original ResearchGerm cellsMitochondrial functionEnergy of ATP bindingQuality control proteasesHigh-throughput sequencing techniquesApoptotic germ cellsMale germ cellsMeiotic germ cellsCross-over eventsRapamycin treatment in vivoGerm cells of male miceIsolated spermatocytesAAA+ proteasesControl proteasesDegradation tagSpermatogonia differentiationRegulate spermatogenesisCre-loxP systemKnockout mouse lineChromosome synapsisMisfolded proteinsProtein substratesMitochondrial matrixClpXDecreased testicular size
2020
Genetic analysis of the cooperative tumorigenic effects of targeted deletions of tumor suppressors Rb1, Trp53, Men1, and Pten in neuroendocrine tumors in mice
Xu EY, Vosburgh E, Wong C, Tang LH, Notterman DA. Genetic analysis of the cooperative tumorigenic effects of targeted deletions of tumor suppressors Rb1, Trp53, Men1, and Pten in neuroendocrine tumors in mice. Oncotarget 2020, 11: 2718-2739. PMID: 32733644, PMCID: PMC7367653, DOI: 10.18632/oncotarget.27660.Peer-Reviewed Original ResearchTumor suppressor geneCooperative functionMolecular mechanismsTumor suppressor RB1Tumorigenic effectsCre-loxP systemGenetic analysisPTEN pathwaySuppressor geneGenesNeuroendocrine tumorigenesisGenetic alterationsDeletionPTENTrp53MeninHomozygous deletionExpressing cellsPathwayPRBSignificant roleMiceTumorigenesisPreclinical murine modelsMechanism
2019
Two well-differentiated pancreatic neuroendocrine tumor mouse models
Wong C, Tang LH, Davidson C, Vosburgh E, Chen W, Foran DJ, Notterman DA, Levine AJ, Xu EY. Two well-differentiated pancreatic neuroendocrine tumor mouse models. Cell Death & Differentiation 2019, 27: 269-283. PMID: 31160716, PMCID: PMC7206057, DOI: 10.1038/s41418-019-0355-0.Peer-Reviewed Original ResearchConceptsMultiple endocrine neoplasia type 1Neuroendocrine tumorsMouse modelShort latencyPI3K/Akt/mTORPancreatic neuroendocrine tumorsPituitary neuroendocrine tumorsTumor mouse modelAkt/mTORMTOR inhibitor rapamycinCre-loxP systemNeuroendocrine cancerProlonged survivalProlonged latencyMEN1 patientsMouse insulin 1 promoterSame miceMen1 lossTherapeutic opportunitiesType 1Genetic syndromesPTEN lossEarly onsetTumorsTumor development
2015
Connective tissue growth factor and integrin αvβ6: A new pair of regulators critical for ductular reaction and biliary fibrosis in mice
Pi L, Robinson P, Jorgensen M, Oh S, Brown A, Weinreb P, Le Trinh T, Yianni P, Liu C, Leask A, Violette S, Scott E, Schultz G, Petersen B. Connective tissue growth factor and integrin αvβ6: A new pair of regulators critical for ductular reaction and biliary fibrosis in mice. Hepatology 2015, 61: 678-691. PMID: 25203810, PMCID: PMC4303530, DOI: 10.1002/hep.27425.Peer-Reviewed Original ResearchMeSH KeywordsAdult Stem CellsAnimalsAntigens, NeoplasmBile Duct NeoplasmsBile Ducts, IntrahepaticCell AdhesionChemical and Drug Induced Liver InjuryCholangiocarcinomaConnective Tissue Growth FactorFemaleFibronectinsHumansIntegrinsLiver CirrhosisMaleMiceMice, KnockoutPyridinesRabbitsRatsTransforming Growth Factor beta1ConceptsConnective tissue growth factorDuctular reactionTissue growth factorIntegrin αvβ6Oval cell activationLiver injuryGrowth factorTamoxifen-inducible Cre-loxP systemCell activationRole of CTGFAlpha-smooth muscle actin stainingRelated liver diseasesSevere liver injuryGreen fluorescent protein reporter miceFibrosis-related genesMuscle actin stainingSirius red stainingPotential therapeutic targetHuman cirrhotic liversEpithelial cell adhesion moleculeDuctular epithelial cellsBiliary fibrosisCre-loxP systemLiver diseaseSerum markers
2010
XBP1 Controls Maturation of Gastric Zymogenic Cells by Induction of MIST1 and Expansion of the Rough Endoplasmic Reticulum
Huh WJ, Esen E, Geahlen JH, Bredemeyer AJ, Lee A, Shi G, Konieczny SF, Glimcher LH, Mills JC. XBP1 Controls Maturation of Gastric Zymogenic Cells by Induction of MIST1 and Expansion of the Rough Endoplasmic Reticulum. Gastroenterology 2010, 139: 2038-2049. PMID: 20816838, PMCID: PMC2997137, DOI: 10.1053/j.gastro.2010.08.050.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBasic Helix-Loop-Helix Transcription FactorsCell DifferentiationCell LineChief Cells, GastricDNA-Binding ProteinsEndoplasmic Reticulum, RoughIntegrasesMiceMice, KnockoutMicroscopy, Electron, TransmissionPromoter Regions, GeneticRegulatory Factor X Transcription FactorsSecretory VesiclesStem CellsTranscription FactorsX-Box Binding Protein 1ConceptsEndoplasmic reticulumZymogenic cellsRough endoplasmic reticulumNC markersGastric zymogenic cellsTranscription factor XBP1Large secretory vesiclesLamellar rough endoplasmic reticulumAbsence of XBP1Transcription factor MIST1Cell shape abnormalitiesCre-loxP systemTranscriptional regulationChromatin immunoprecipitationTranscriptional activationSecretory vesiclesGastric cell linesMist1Neck cellsXBP1Cell typesImmunoblot analysisCell linesQuantitative reverse transcriptase-polymerase chain reactionMIST1 expressionSENP1-mediated GATA1 deSUMOylation is critical for definitive erythropoiesis
Yu L, Ji W, Zhang H, Renda MJ, He Y, Lin S, Cheng EC, Chen H, Krause DS, Min W. SENP1-mediated GATA1 deSUMOylation is critical for definitive erythropoiesis. Journal Of Experimental Medicine 2010, 207: 1183-1195. PMID: 20457756, PMCID: PMC2882842, DOI: 10.1084/jem.20092215.Peer-Reviewed Original ResearchConceptsSmall ubiquitin-like modifier (SUMO) modificationImportant regulatory mechanismEmbryonic day 13.5Down-regulation correlatesFetal liverCre-loxP systemEmbryonic lethalityProtein functionDefinitive erythropoiesisGene promoterDNA bindingRegulatory mechanismsGene expressionGATA1SENP1Fetal liver cellsProtein analysisDay 13.5Global deletionProteinSubsequent erythropoiesisKnockout miceErythropoiesisLiver cellsDeSUMOylation
2007
Conditional deletion of the homeobox gene Hhex in the mouse liver results in polycystic liver disease
Hunter M, Wilson C, Kaestner K, Bogue C. Conditional deletion of the homeobox gene Hhex in the mouse liver results in polycystic liver disease. The FASEB Journal 2007, 21: lb4-lb4. DOI: 10.1096/fasebj.21.6.lb4.Peer-Reviewed Original ResearchAdult mutant miceHepatic cystsMutant miceNormal biliary cellsMultiple hepatic cystsIntrahepatic bile ductsDuctal plate malformationPolycystic liver diseaseBlood serum levelsWeeks of ageEmbryonic day 18.5Cystic epithelial cellsDuct-like structuresBiliary injuryCre-loxP systemSerum levelsLiver diseaseBile ductBiliary originPortal tractsTotal bilirubinAlanine transferaseCytokeratin antibodiesDay 18.5Liver results
2000
Loss of Insulin Signaling in Hepatocytes Leads to Severe Insulin Resistance and Progressive Hepatic Dysfunction
Michael M, Kulkarni R, Postic C, Previs S, Shulman G, Magnuson M, Kahn C. Loss of Insulin Signaling in Hepatocytes Leads to Severe Insulin Resistance and Progressive Hepatic Dysfunction. Molecular Cell 2000, 6: 87-97. PMID: 10949030, DOI: 10.1016/s1097-2765(05)00015-8.Peer-Reviewed Original ResearchConceptsInsulin resistanceGlucose homeostasisInsulin receptor knockout miceLiver-specific insulin receptor knockout miceDirect insulin actionNormal hepatic functionProgressive hepatic dysfunctionReceptor knockout miceSevere glucose intoleranceSevere insulin resistanceHepatic glucose productionFailure of insulinLoss of insulinHepatic gene expressionHepatic dysfunctionGlucose intoleranceMarked hyperinsulinemiaCre-loxP systemInsulin clearanceHepatic functionInsulin secretionInsulin receptor geneKnockout miceInsulin actionGlucose production
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