2023
Injury prevents Ras mutant cell expansion in mosaic skin
Gallini S, Annusver K, Rahman N, Gonzalez D, Yun S, Matte-Martone C, Xin T, Lathrop E, Suozzi K, Kasper M, Greco V. Injury prevents Ras mutant cell expansion in mosaic skin. Nature 2023, 619: 167-175. PMID: 37344586, PMCID: PMC10322723, DOI: 10.1038/s41586-023-06198-y.Peer-Reviewed Original ResearchConceptsWild-type cellsRas family proteinsCell cycle inhibitor p21Family proteinsOncogenic RasGenetic approachesMosaic tissuesInhibition of EGFRInhibitor p21EGFR ligandsEGFR pathwayCell expansionAberrant growthConstitutive lossDifferential activationParacrine secretionAbsence of injuryCellsCompetitive balanceInjury repairHealthy skinInjurySkinProteinPathwayMechanisms of skin vascular maturation and maintenance captured by longitudinal imaging of live mice
Kam C, Singh I, Gonzalez D, Matte-Martone C, Solá P, Solanas G, Bonjoch J, Marsh E, Hirschi K, Greco V. Mechanisms of skin vascular maturation and maintenance captured by longitudinal imaging of live mice. Cell 2023, 186: 2345-2360.e16. PMID: 37167971, PMCID: PMC10225355, DOI: 10.1016/j.cell.2023.04.017.Peer-Reviewed Original ResearchConceptsAdult endothelial cellsNeonatal endothelial cellsEndothelial cellsVascular maturationAdult homeostasisOrgan growthAdult maintenanceHomeostasisLive miceVessel regressionFundamental mechanismsGlobal ablationLocal ablationMaturationNetwork perfusionVascular plexusBlood vesselsLongitudinal imagingVessel repairMaintenanceVascular architecturePlexusFunctional networksMiceMechanism
2021
Skin-resident immune cells actively coordinate their distribution with epidermal cells during homeostasis
Park S, Matte-Martone C, Gonzalez DG, Lathrop EA, May DP, Pineda CM, Moore JL, Boucher JD, Marsh E, Schmitter-Sánchez A, Cockburn K, Markova O, Bellaïche Y, Greco V. Skin-resident immune cells actively coordinate their distribution with epidermal cells during homeostasis. Nature Cell Biology 2021, 23: 476-484. PMID: 33958758, PMCID: PMC8603572, DOI: 10.1038/s41556-021-00670-5.Peer-Reviewed Original ResearchConceptsDendritic epidermal T cellsLangerhans cellsCell typesEpithelial cellsDifferent cell typesMultiple cell typesLive adult miceGTPase Rac1Skin-resident immune cellsNon-random spatial distributionDistribution of LCContinuous turnoverEpidermal cellsEpidermal T cellsIndividual cellsCellular mechanismsEnvironmental insultsHomeostasisBasal epithelial cellsImmune cellsT cellsAdult miceCellsProper architectureEpidermis
2018
Positional Stability and Membrane Occupancy Define Skin Fibroblast Homeostasis In Vivo
Marsh E, Gonzalez DG, Lathrop EA, Boucher J, Greco V. Positional Stability and Membrane Occupancy Define Skin Fibroblast Homeostasis In Vivo. Cell 2018, 175: 1620-1633.e13. PMID: 30415836, PMCID: PMC7605015, DOI: 10.1016/j.cell.2018.10.013.Peer-Reviewed Original ResearchConceptsCore cellular mechanismsFibroblast homeostasisRac1-dependent mannerNeighboring fibroblastsMembrane occupancyMembrane extensionsNucleus organizationCellular mechanismsHomeostasisFibroblast membranesAbsence of migrationFibroblastsCell occupancySkin fibroblastsProgressive accumulationVivoStructural componentsLifespan of miceLive miceOccupancyMicePositional stabilityMembraneLifespanAccumulation
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