2018
Myofibroblast proliferation and heterogeneity are supported by macrophages during skin repair
Shook BA, Wasko RR, Rivera-Gonzalez GC, Salazar-Gatzimas E, López-Giráldez F, Dash BC, Muñoz-Rojas AR, Aultman KD, Zwick RK, Lei V, Arbiser JL, Miller-Jensen K, Clark DA, Hsia HC, Horsley V. Myofibroblast proliferation and heterogeneity are supported by macrophages during skin repair. Science 2018, 362 PMID: 30467144, PMCID: PMC6684198, DOI: 10.1126/science.aar2971.Peer-Reviewed Original ResearchConceptsDifferential gene expressionAdipocyte precursorsExtracellular matrix moleculesGene expressionTransplantation assaysMatrix moleculesFactor C.Factor 1Insulin-like growth factor-1Cell populationsTissue resilienceDistinct subpopulationsGrowth factor-1Profibrotic cellsTissue repairMultiple mouse modelsECM depositionSkin repairTissue dysfunctionProliferationMouse modelMyofibroblastsWoundingMacrophagesRepairAdipocyte hypertrophy and lipid dynamics underlie mammary gland remodeling after lactation
Zwick RK, Rudolph MC, Shook BA, Holtrup B, Roth E, Lei V, Van Keymeulen A, Seewaldt V, Kwei S, Wysolmerski J, Rodeheffer MS, Horsley V. Adipocyte hypertrophy and lipid dynamics underlie mammary gland remodeling after lactation. Nature Communications 2018, 9: 3592. PMID: 30181538, PMCID: PMC6123393, DOI: 10.1038/s41467-018-05911-0.Peer-Reviewed Original ResearchConceptsMouse mammary glandMilk-producing epithelial cellsTissue-specific rolesMammary glandAdipose growthLipid dynamicsGenetic tracingPhysiological examplesFunctional implicationsCellular mechanismsAdipocyte hypertrophyMature adipocytesEssential roleVivo analysisTissue functionMammary epitheliumAdipocytesEpithelial cellsAdipocyte precursorsSubsequent involutionMilk lipidsPrimary mechanismMechanismLipidomicsMilk fat production
2017
Prdm1 Regulates Thymic Epithelial Function To Prevent Autoimmunity
Roberts NA, Adams BD, McCarthy NI, Tooze RM, Parnell SM, Anderson G, Kaech SM, Horsley V. Prdm1 Regulates Thymic Epithelial Function To Prevent Autoimmunity. The Journal Of Immunology 2017, 199: 1250-1260. PMID: 28701508, PMCID: PMC5544928, DOI: 10.4049/jimmunol.1600941.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, AntinuclearAutoantibodiesAutoimmunityEpithelial CellsForkhead Transcription FactorsGene Expression RegulationKeratin-14Lymphocyte ActivationMiceMice, Inbred C57BLMice, NudePositive Regulatory Domain I-Binding Factor 1Thymus GlandT-LymphocytesT-Lymphocytes, RegulatoryTranscription FactorsConceptsThymic epithelial cellsThymic epithelial functionT cellsSelf-reactive T cellsEpithelial functionRegulatory T cell developmentDevelopment of Foxp3Tissue-specific AgsMouse thymic epithelial cellsRegulatory T cellsMedullary thymic epithelial cellsAnti-nuclear AbsCell type-specific deletionT cell developmentDendritic cellsAutoantibody productionAutoimmune diseasesAutoimmune pathologyNude miceAutoimmunityTEC functionConditional deletionCrucial transcription factorMiceEpithelial cells
2016
Skin Adipocyte Stem Cell Self-Renewal Is Regulated by a PDGFA/AKT-Signaling Axis
Rivera-Gonzalez GC, Shook BA, Andrae J, Holtrup B, Bollag K, Betsholtz C, Rodeheffer MS, Horsley V. Skin Adipocyte Stem Cell Self-Renewal Is Regulated by a PDGFA/AKT-Signaling Axis. Cell Stem Cell 2016, 19: 738-751. PMID: 27746098, PMCID: PMC5135565, DOI: 10.1016/j.stem.2016.09.002.Peer-Reviewed Original ResearchMeSH KeywordsAdipocytesAdipogenesisAnimalsCD24 AntigenCell ProliferationCell Self RenewalDermisGene Expression ProfilingHyperplasiaMice, Inbred C57BLModels, BiologicalPhosphatidylinositol 3-KinasesPlatelet-Derived Growth FactorProto-Oncogene Proteins c-aktReceptor, Platelet-Derived Growth Factor alphaSignal TransductionSkinStem CellsConceptsAdipocyte stem cellsAdipogenic programLipid-filled mature adipocytesStem Cell Self-RenewalCell Self-RenewalDistinct regulatory mechanismsASC proliferationPI3K/Akt2Stem cell populationWhite adipose tissueUnrecognized regulatorSelf-RenewalRegulatory mechanismsGenetic studiesMature adipocytesPDGFA expressionStem cellsCell populationsTissue growthProliferationActive mechanismDifferent WAT depotsHair growthMaintenanceAkt2CD301b+ Macrophages Are Essential for Effective Skin Wound Healing
Shook B, Xiao E, Kumamoto Y, Iwasaki A, Horsley V. CD301b+ Macrophages Are Essential for Effective Skin Wound Healing. Journal Of Investigative Dermatology 2016, 136: 1885-1891. PMID: 27287183, PMCID: PMC5727894, DOI: 10.1016/j.jid.2016.05.107.Peer-Reviewed Original ResearchConceptsSkin wound healingBarrier functionEssential inflammatory cellsAnti-inflammatory macrophagesWound healingSkin barrier functionSubpopulation of macrophagesEarly regenerative stageMultiple myeloid lineagesInflammatory cellsSyngeneic miceWound healing defectsMyeloid cellsCutaneous repairReparative processesSelective depletionPhenotype switchMacrophagesMyeloid lineageMiceMultiple cell typesHealingCD301bHealing defectsSkin repair