2021
Regeneration of infarcted mouse hearts by cardiovascular tissue formed via the direct reprogramming of mouse fibroblasts
Cho J, Kim S, Lee H, Rah W, Cho HC, Kim NK, Bae S, Shin DH, Lee MG, Park IH, Tanaka Y, Shin E, Yi H, Han JW, Hwang PTJ, Jun HW, Park HJ, Cho K, Lee SW, Jung JK, Levit RD, Sussman MA, Harvey RP, Yoon YS. Regeneration of infarcted mouse hearts by cardiovascular tissue formed via the direct reprogramming of mouse fibroblasts. Nature Biomedical Engineering 2021, 5: 880-896. PMID: 34426676, PMCID: PMC8809198, DOI: 10.1038/s41551-021-00783-0.Peer-Reviewed Original ResearchConceptsDirect reprogrammingMouse tail-tip fibroblastsBone morphogenetic protein 4Smooth muscle cellsTail-tip fibroblastsMuscle cellsSomatic cellsEndothelial cellsReprogrammingCell typesTissue-like structuresMouse fibroblastsProtein 4Gap junctionsCardiovascular tissuesVessel formationDisease modellingDrug discoveryImmature characteristicsFibroblastsCellsMouse heartsCardiomyocytesTissueHost cardiomyocytesVulnerability of cholecystokinin-expressing GABAergic interneurons in the unilateral intrahippocampal kainate mouse model of temporal lobe epilepsy
Kang YJ, Clement EM, Park IH, Greenfield LJ, Smith BN, Lee SH. Vulnerability of cholecystokinin-expressing GABAergic interneurons in the unilateral intrahippocampal kainate mouse model of temporal lobe epilepsy. Experimental Neurology 2021, 342: 113724. PMID: 33915166, PMCID: PMC8192495, DOI: 10.1016/j.expneurol.2021.113724.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyIntrahippocampal kainate mouse modelVentral CA1 regionEpileptic miceCA1 pyramidal cellsSclerotic hippocampusPyramidal cellsSham controlsSpontaneous seizuresLobe epilepsyCA1 regionMouse modelFrequency of IPSCsNetwork oscillationsRecurrent spontaneous seizuresNumber of boutonsHippocampal theta oscillationsIpsilateral hippocampusElectrical recordingsVentral hippocampusCA1 layerGABAergic interneuronsStratum pyramidaleDorsal hippocampusBehavioral comorbidities
2020
Dysregulation of BRD4 Function Underlies the Functional Abnormalities of MeCP2 Mutant Neurons
Xiang Y, Tanaka Y, Patterson B, Hwang SM, Hysolli E, Cakir B, Kim KY, Wang W, Kang YJ, Clement EM, Zhong M, Lee SH, Cho YS, Patra P, Sullivan GJ, Weissman SM, Park IH. Dysregulation of BRD4 Function Underlies the Functional Abnormalities of MeCP2 Mutant Neurons. Molecular Cell 2020, 79: 84-98.e9. PMID: 32526163, PMCID: PMC7375197, DOI: 10.1016/j.molcel.2020.05.016.Peer-Reviewed Original ResearchConceptsMECP2 mutant neuronsEnhancer-promoter interactionsRett syndromeRTT-like phenotypesChromatin bindingMeCP2 functionMethyl-CpGAbnormal transcriptionRTT etiologyMutant neuronsBET inhibitorsPotential therapeutic opportunitiesMECP2 mutationsProtein 2Human brain organoidsFunctional phenotypeJQ1BRD4Therapeutic opportunitiesBrain organoidsFunction underliesMutationsPhenotypeHuman brain culturesCritical driver
2016
Single cell transcriptomics reveals unanticipated features of early hematopoietic precursors
Yang J, Tanaka Y, Seay M, Li Z, Jin J, Garmire LX, Zhu X, Taylor A, Li W, Euskirchen G, Halene S, Kluger Y, Snyder MP, Park IH, Pan X, Weissman SM. Single cell transcriptomics reveals unanticipated features of early hematopoietic precursors. Nucleic Acids Research 2016, 45: 1281-1296. PMID: 28003475, PMCID: PMC5388401, DOI: 10.1093/nar/gkw1214.Peer-Reviewed Original ResearchConceptsHematopoietic stem cellsPrecursor cellsInduction of anemiaInterferon response genesG2/M phaseEarly precursor cellsHomeostatic cellsStages of differentiationTranscription factorsSurface markersCell cycle progressionLong-term hematopoietic stem cellsSpecific augmentationAnemic miceMarked increaseEarly hematopoietic precursorsHematopoietic precursorsStem cellsCycle progressionM phaseSingle-cell transcriptomicsCellsCell differentiationHematopoietic stressLineage-specific transcription factorsNeural Stem Cells Restore Hair Growth through Activation of the Hair Follicle Niche
Hwang I, Choi KA, Park HS, Jeong H, Kim JO, Seol KC, Kwon HJ, Park IH, Hong S. Neural Stem Cells Restore Hair Growth through Activation of the Hair Follicle Niche. Cell Transplantation 2016, 25: 1439-1451. PMID: 27110030, DOI: 10.3727/096368916x691466.Peer-Reviewed Original ResearchConceptsInsulin-like growth factor-1Shaven dorsal skinNeural stem cellsVascular endothelial growth factorDermal papilla cellsHepatocyte growth factorKeratinocyte growth factorGrowth factorHair follicle nicheHair growthDorsal skinStem cellsAnagen phaseGrowth factor-1Endothelial growth factorGrowth factor pathwaysCombined growth factorsMolecular signaling pathwaysPharmacological therapyHair regrowthHair shaft lengthBone morphogenetic protein family membersNSC treatmentProtein family membersHair follicle stem cells
2015
Role of Zscan4 in secondary murine iPSC derivation mediated by protein extracts of ESC or iPSC
Kwon YW, Paek JS, Cho HJ, Lee CS, Lee HJ, Park IH, Roh TY, Kang CM, Yang HM, Park YB, Kim HS. Role of Zscan4 in secondary murine iPSC derivation mediated by protein extracts of ESC or iPSC. Biomaterials 2015, 59: 102-115. PMID: 25956855, DOI: 10.1016/j.biomaterials.2015.03.031.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationEmbryonic Stem CellsInduced Pluripotent Stem CellsMiceMice, Inbred C57BLTranscription FactorsConceptsMES cellsSomatic cellsCell extractsProtein extractsGlobal gene expressionES-like cellsMouse iPS cellsPluripotent stem cellsCell-derived proteinsHistone modificationsFull reprogrammingEpigenetic statusDNA methylationZscan4Developmental potencyIPSC derivationGene expressionGenomic DNAIPS cellsAdult fibroblastsKey moleculesStem cellsProteinCellsColonies
2013
Transformation of somatic cells into stem cell‐like cells under a stromal niche
Lee ST, Gong SP, Yum KE, Lee EJ, Lee CH, Choi JH, Kim DY, Han H, Kim K, Hysolli E, Ahn JY, Park I, Han JY, Jeong J, Lim JM. Transformation of somatic cells into stem cell‐like cells under a stromal niche. The FASEB Journal 2013, 27: 2644-2656. PMID: 23580613, PMCID: PMC4050423, DOI: 10.1096/fj.12-223065.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell AggregationCell DedifferentiationCell FusionCells, CulturedChromosome AberrationsCoculture TechniquesEmbryo, MammalianEmbryonic Stem CellsFemaleFibroblastsGene Expression ProfilingInduced Pluripotent Stem CellsKaryotypingMiceMice, Inbred C57BLMice, Inbred CBAMice, Inbred DBAMice, Inbred ICRMicroscopy, Electron, TransmissionOligonucleotide Array Sequence AnalysisOvarySpecies SpecificityStem Cell NicheStem CellsConceptsEmbryonic stem cellsColony-forming fibroblastsParthenogenetic embryonic stem cellsSomatic cellsGenomic single nucleotide polymorphismsAcquisition of pluripotencySomatic cell plasticityPluripotency gene expressionStem cellsInner cell massStem cell-like cellsCell cycle-related proteinsPluripotent stem cellsSomatic genomeCycle-related proteinsGenomic plasticityCell-like cellsSingle nucleotide polymorphismsCell plasticityESC coloniesGenetic manipulationHeterologous recombinationEmbryonic fibroblastsImprinting patternGene expression
2012
Overcoming reprogramming resistance of Fanconi anemia cells
Müller LU, Milsom MD, Harris CE, Vyas R, Brumme KM, Parmar K, Moreau LA, Schambach A, Park IH, London WB, Strait K, Schlaeger T, DeVine AL, Grassman E, D'Andrea A, Daley GQ, Williams DA. Overcoming reprogramming resistance of Fanconi anemia cells. Blood 2012, 119: 5449-5457. PMID: 22371882, PMCID: PMC3369681, DOI: 10.1182/blood-2012-02-408674.Peer-Reviewed Original ResearchConceptsFA cellsFA pathwayFA DNA repair pathwayFanconi anemiaDNA double-strand breaksFanconi anemia cellsStem cellsDNA repair pathwaysDouble-strand breaksDisease-specific iPSCsPluripotent stem cellsFuture translational applicationsGenomic integrityHuman primary cellsHematopoietic stem cellsHematopoietic differentiationChromosomal instabilityMolecular characterizationGene correctionTransgenic expressionDNA damageGenetic correctionHematopoietic cellsPrimary cellsPathway
2011
Transplantation of Adult Mouse iPS Cell-Derived Photoreceptor Precursors Restores Retinal Structure and Function in Degenerative Mice
Tucker BA, Park IH, Qi SD, Klassen HJ, Jiang C, Yao J, Redenti S, Daley GQ, Young MJ. Transplantation of Adult Mouse iPS Cell-Derived Photoreceptor Precursors Restores Retinal Structure and Function in Degenerative Mice. PLOS ONE 2011, 6: e18992. PMID: 21559507, PMCID: PMC3084746, DOI: 10.1371/journal.pone.0018992.Peer-Reviewed Original ResearchConceptsRetinal functionNormal retinal physiologyOuter nuclear layerRetinal precursorsC-MycRetinal degenerative diseasesRetinal outer nuclear layerDelivery of neurotransmittersRetinal degenerative (rd) miceRetinal transplantationSubretinal transplantationNuclear layerAdult miceDsRed miceTransplantationRetinal structureRetinal physiologyPhotoreceptor markersDegenerative diseasesMiceRetroviral inductionFunctional anatomyPhotoreceptor precursorsPhotoreceptor cellsFibroblast-derived iPSCsAnalysis of Differential Proteomes of Induced Pluripotent Stem Cells by Protein-Based Reprogramming of Fibroblasts
Jin J, Kwon YW, Paek JS, Cho HJ, Yu J, Lee JY, Chu IS, Park IH, Park YB, Kim HS, Kim Y. Analysis of Differential Proteomes of Induced Pluripotent Stem Cells by Protein-Based Reprogramming of Fibroblasts. Journal Of Proteome Research 2011, 10: 977-989. PMID: 21175196, DOI: 10.1021/pr100624f.Peer-Reviewed Original ResearchConceptsInduced pluripotent stem cellsES cell linesPluripotent stem cellsIPS cellsDifferential proteomeGlobal gene expression patternsCell extractsGlobal gene expression analysisCell linesReprogramming of fibroblastsSpecific transcription factorsProtein synthetic machineryPluripotent ES cellsGene expression patternsStem cellsViral transductionMES cell linesGene expression analysisTranscription factorsSynthetic machineryExpression analysisRetroviral integrationES cellsExpression patternsStem cell-based approaches
2009
A role for Lin28 in primordial germ-cell development and germ-cell malignancy
West JA, Viswanathan SR, Yabuuchi A, Cunniff K, Takeuchi A, Park IH, Sero JE, Zhu H, Perez-Atayde A, Frazier AL, Surani MA, Daley GQ. A role for Lin28 in primordial germ-cell development and germ-cell malignancy. Nature 2009, 460: 909-913. PMID: 19578360, PMCID: PMC2729657, DOI: 10.1038/nature08210.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationCell LineChromosomal Proteins, Non-HistoneEmbryonic Stem CellsFemaleGene Expression Regulation, NeoplasticGerm CellsHumansMiceMice, Inbred C57BLNeoplasms, Germ Cell and EmbryonalPositive Regulatory Domain I-Binding Factor 1Repressor ProteinsRNA-Binding ProteinsTranscription FactorsTransgenes