2019
Acetyl zingerone: An efficacious multifunctional ingredient for continued protection against ongoing DNA damage in melanocytes after sun exposure ends
Chaudhuri RK, Meyer T, Premi S, Brash D. Acetyl zingerone: An efficacious multifunctional ingredient for continued protection against ongoing DNA damage in melanocytes after sun exposure ends. International Journal Of Cosmetic Science 2019, 42: 36-45. PMID: 31538664, PMCID: PMC7004018, DOI: 10.1111/ics.12582.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedDNA DamageEnvironmental ExposureGuaiacolMelanocytesMiceMice, Inbred C57BLPyrimidine DimersSunlightConceptsSun exposureSolar-simulated ultraviolet radiationReactive oxygen speciesIntracellular levelsCyclobutane pyrimidine dimersΑ-tocopherolCPD formationTraditional sunscreensScavenge peroxynitriteUVR exposureOngoing DNA damageAntioxidant α-tocopherolUltraviolet radiationUVA radiationMelanocytesROS formationExposureQuench singlet oxygenUse of AZEfficacyOxygen speciesKeratinocytesDNA damageFree radicalsHours
2015
Chemiexcitation of melanin derivatives induces DNA photoproducts long after UV exposure
Premi S, Wallisch S, Mano CM, Weiner AB, Bacchiocchi A, Wakamatsu K, Bechara EJ, Halaban R, Douki T, Brash DE. Chemiexcitation of melanin derivatives induces DNA photoproducts long after UV exposure. Science 2015, 347: 842-847. PMID: 25700512, PMCID: PMC4432913, DOI: 10.1126/science.1256022.Peer-Reviewed Original ResearchConceptsDark cyclobutane pyrimidine dimersExcited electronic statesUltraviolet photonsUV photonsElectronic statesTriplet stateSunlight-induced melanomaCytosine-containing cyclobutane pyrimidine dimersEnergy transferPhotonsPicosecondsElectronsUV exposureRadiationChemiexcitationEnergyStatePhotoproducts
2004
Melanin acts as a potent UVB photosensitizer to cause an atypical mode of cell death in murine skin
Takeuchi S, Zhang W, Wakamatsu K, Ito S, Hearing VJ, Kraemer KH, Brash DE. Melanin acts as a potent UVB photosensitizer to cause an atypical mode of cell death in murine skin. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 15076-15081. PMID: 15477596, PMCID: PMC524044, DOI: 10.1073/pnas.0403994101.Peer-Reviewed Original ResearchConceptsYellow miceTerminal deoxynucleotidyltransferase-mediated dUTP nickTUNEL-positive cellsActive caspase-3Sunburn cellsPositive cellsBlack miceSkin cancerCongenic miceMurine skinDUTP nickDNA strand breaksMiceEpidermal sheetsHair folliclesAbility of melaninCaspase-3Sensitivity of individualsApoptosisLesionsUVA radiationRed hairCell deathHair shaftSunlight UV radiation
2003
A lupus-like syndrome develops in mice lacking the Ro 60-kDa protein, a major lupus autoantigen
Xue D, Shi H, Smith JD, Chen X, Noe DA, Cedervall T, Yang DD, Eynon E, Brash DE, Kashgarian M, Flavell RA, Wolin SL. A lupus-like syndrome develops in mice lacking the Ro 60-kDa protein, a major lupus autoantigen. Proceedings Of The National Academy Of Sciences Of The United States Of America 2003, 100: 7503-7508. PMID: 12788971, PMCID: PMC164616, DOI: 10.1073/pnas.0832411100.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutoantigensB-LymphocytesCrosses, GeneticDose-Response Relationship, RadiationGlomerulonephritis, MembranoproliferativeHeterozygoteKidneyLupus VulgarisMiceMice, Inbred C57BLMice, TransgenicModels, GeneticRibonucleoproteinsRibosomesRNARNA, Small CytoplasmicSubcellular FractionsSyndromeT-LymphocytesUltraviolet RaysConceptsRo antibodiesRo 60Complete congenital heart blockLupus-like syndromeCongenital heart blockSystemic lupus erythematosusAnti-Ro antibodiesRo proteinAnti-chromatin antibodiesPhotosensitive skin lesionsNeonatal lupusAutoimmune syndromeLupus erythematosusHeart blockCutaneous lesionsAutoantibody developmentImmune surveillanceSkin lesionsHuman autoantigensSyndromeAntibodiesMiceLupusPatientsAutoantigens
2001
Escaping the stem cell compartment: Sustained UVB exposure allows p53-mutant keratinocytes to colonize adjacent epidermal proliferating units without incurring additional mutations
Zhang W, Remenyik E, Zelterman D, Brash D, Wikonkal N. Escaping the stem cell compartment: Sustained UVB exposure allows p53-mutant keratinocytes to colonize adjacent epidermal proliferating units without incurring additional mutations. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 13948-13953. PMID: 11707578, PMCID: PMC61147, DOI: 10.1073/pnas.241353198.Peer-Reviewed Original Research
2000
Regulation of TNFα production and release in human and mouse keratinocytes and mouse skin after UV‐B irradiation
Yarosh D, Both D, Kibitel J, Anderson C, Elmets C, Brash D, Brown D. Regulation of TNFα production and release in human and mouse keratinocytes and mouse skin after UV‐B irradiation. Photodermatology Photoimmunology & Photomedicine 2000, 16: 263-270. PMID: 11132130, DOI: 10.1034/j.1600-0781.2000.160606.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsCell LineCell MembraneEnzyme-Linked Immunosorbent AssayGene Expression RegulationGenes, fosGenes, p53HomozygoteHumansInterleukin-1KeratinocytesMaleMiceMice, Inbred C57BLMice, KnockoutProtein Serine-Threonine KinasesRadiation DosageReceptors, Tumor Necrosis FactorReverse Transcriptase Polymerase Chain ReactionSignal TransductionSirolimusSkinTranscription Factor AP-1Tumor Necrosis Factor-alphaUltraviolet RaysConceptsP53 knockout miceKnockout miceMembrane-bound TNFalphaHomozygous p53 knockout miceC-Fos signalingWild-type miceGene knockout miceRelease of TNFalphaTNFalpha gene expressionAP-1Cultured human keratinocytesImmunosuppressive responseCell culture supernatantsAP-1 transcription factorCultured epidermal cellsIL-1alphaCytokine TNFalphaTNFα productionType micePrimary cytokineTNFalpha inductionTNFalphaBasal levelsMouse skinMice
1994
Sunburn and p53 in the onset of skin cancer
Ziegler A, Jonason A, Leffellt D, Simon J, Sharma H, Kimmelman J, Remington L, Jacks T, Brash D. Sunburn and p53 in the onset of skin cancer. Nature 1994, 372: 773-776. PMID: 7997263, DOI: 10.1038/372773a0.Peer-Reviewed Original ResearchConceptsActinic keratosisP53 mutationsSquamous cell carcinomaP53 tumor suppressor geneP53-mutated cellsCell carcinomaApoptotic keratinocytesSkin cancerTumor initiatorTumor suppressor geneMouse skinClonal expansionPrecancerous cellsTumor promoterCarcinomaSkinTissue responseP53SunburnCell differentiationDNA damageAberrant cell differentiationCellsResponseKeratosis