2023
Organ function is preserved despite reorganization of niche architecture in the hair follicle
Wei H, Du S, Parksong J, Pasolli H, Matte-Martone C, Regot S, Gonzalez L, Xin T, Greco V. Organ function is preserved despite reorganization of niche architecture in the hair follicle. Cell Stem Cell 2023, 30: 962-972.e6. PMID: 37419106, PMCID: PMC10362479, DOI: 10.1016/j.stem.2023.06.003.Peer-Reviewed Original ResearchConceptsNiche architectureDermal papilla fibroblastsDifferentiated lineagesHair follicle growthStereotypic architectureMultipotent progenitorsEpithelial progenitorsFunctional importanceNicheStem cellsFibroblast nicheProgenitorsPowerful modelIntravital imagingDermal papillaFibroblastsHair folliclesFollicle growthOrgan functionLineagesDifferentiationCrosstalkHairProliferationCellsLive imaging reveals chromatin compaction transitions and dynamic transcriptional bursting during stem cell differentiation in vivo
May D, Yun S, Gonzalez D, Park S, Chen Y, Lathrop E, Cai B, Xin T, Zhao H, Wang S, Gonzalez L, Cockburn K, Greco V. Live imaging reveals chromatin compaction transitions and dynamic transcriptional bursting during stem cell differentiation in vivo. ELife 2023, 12: e83444. PMID: 36880644, PMCID: PMC10027315, DOI: 10.7554/elife.83444.Peer-Reviewed Original ResearchConceptsStem cell differentiationCell differentiationStem cell compartmentCompaction changesChromatin compaction statesDynamic transcriptional statesCell compartmentChromatin architectureCell cycle statusChromatin rearrangementNascent RNATranscriptional burstingTranscriptional statesLive imagingTissue contextGene expressionDifferentiating cellsGlobal remodelingIndividual cellsCycle statusStem cellsDifferentiation statusDifferentiationCellsMorphological changes
2020
Cell-Cycle-Dependent ERK Signaling Dynamics Direct Fate Specification in the Mammalian Preimplantation Embryo
Pokrass MJ, Ryan KA, Xin T, Pielstick B, Timp W, Greco V, Regot S. Cell-Cycle-Dependent ERK Signaling Dynamics Direct Fate Specification in the Mammalian Preimplantation Embryo. Developmental Cell 2020, 55: 328-340.e5. PMID: 33091369, PMCID: PMC7658051, DOI: 10.1016/j.devcel.2020.09.013.Peer-Reviewed Original ResearchConceptsFate specificationPreimplantation developmentKinase translocation reporterMammalian preimplantation embryosInner cell massEmbryonic stem cellsSingle cellsDifferent cell typesMulticellular organismsEndogenous taggingDaughter cellsNanog proteinActive ERKNanog levelsERK activityGene expressionPreimplantation embryosCell cycleTrophectoderm cellsERK inhibitionCell typesStem cellsLive embryosCell massEmbryos
2019
Hair follicle regeneration suppresses Ras-driven oncogenic growth
Pineda CM, Gonzalez DG, Matte-Martone C, Boucher J, Lathrop E, Gallini S, Fons NR, Xin T, Tai K, Marsh E, Nguyen DX, Suozzi KC, Beronja S, Greco V. Hair follicle regeneration suppresses Ras-driven oncogenic growth. Journal Of Cell Biology 2019, 218: 3212-3222. PMID: 31488583, PMCID: PMC6781447, DOI: 10.1083/jcb.201907178.Peer-Reviewed Original ResearchConceptsHair folliclesHras mutationsOncogenic growthHair follicle stem cellsSkin hair folliclesTumor developmentFollicle stem cellsHair follicle regenerationSkin epitheliumSecondary mutationsBenign outgrowthFolliclesStem cellsTissueCertain tissuesFollicle regenerationCellsContinuous tissueWild-type neighborsDistinct mechanismsDifferent outcomesMutationsEnhanced capacityInjury
2018
Homeostatic Epidermal Stem Cell Self-Renewal Is Driven by Local Differentiation
Mesa KR, Kawaguchi K, Cockburn K, Gonzalez D, Boucher J, Xin T, Klein AM, Greco V. Homeostatic Epidermal Stem Cell Self-Renewal Is Driven by Local Differentiation. Cell Stem Cell 2018, 23: 677-686.e4. PMID: 30269903, PMCID: PMC6214709, DOI: 10.1016/j.stem.2018.09.005.Peer-Reviewed Original Research
2017
Correction of aberrant growth preserves tissue homeostasis
Brown S, Pineda CM, Xin T, Boucher J, Suozzi KC, Park S, Matte-Martone C, Gonzalez DG, Rytlewski J, Beronja S, Greco V. Correction of aberrant growth preserves tissue homeostasis. Nature 2017, 548: 334-337. PMID: 28783732, PMCID: PMC5675114, DOI: 10.1038/nature23304.Peer-Reviewed Original Research