2005
Knockdown of p53 levels in human keratinocytes accelerates Mcl-1 and Bcl-xL reduction thereby enhancing UV-light induced apoptosis
Chaturvedi V, Sitailo LA, Qin JZ, Bodner B, Denning MF, Curry J, Zhang W, Brash D, Nickoloff BJ. Knockdown of p53 levels in human keratinocytes accelerates Mcl-1 and Bcl-xL reduction thereby enhancing UV-light induced apoptosis. Oncogene 2005, 24: 5299-5312. PMID: 15940268, DOI: 10.1038/sj.onc.1208650.Peer-Reviewed Original ResearchConceptsMouse modelP53 levelsP53 siRNAHuman keratinocytesMcl-1Skin cancer developmentKnockout mouse modelP53 tumor suppressor geneCultured human keratinocytesBcl-xL antiapoptotic proteinBcl-xL levelsCommon causeParadoxical responseSkin cancerAccelerated eliminationUltraviolet light exposureWild-type p53Cancer developmentTumor suppressor geneUV-induced DNA damageEpidermal responseE2F-1 levelsPrimary culturesSiRNA-based approachAbnormal cells
1998
Antioxidant action via p53-mediated apoptosis.
Liu M, Pelling JC, Ju J, Chu E, Brash DE. Antioxidant action via p53-mediated apoptosis. Cancer Research 1998, 58: 1723-9. PMID: 9563490.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAnimalsAntioxidantsApoptosisBlotting, NorthernBlotting, WesternButhionine SulfoximineCells, CulturedDimercaprolDose-Response Relationship, DrugGene Expression Regulation, NeoplasticGlutathioneMiceOxidation-ReductionPyrrolidonecarboxylic AcidSulfhydryl CompoundsThiazolesThiazolidinesTumor Cells, CulturedTumor Suppressor Protein p53Vitamin EConceptsP53 inductionCellular redox potentialP53-dependent apoptosisNormal cellsP53-mediated apoptosisTumor suppressor geneP53 mRNA translationCellular thiol levelsMRNA translationRedox sensorProtein stabilitySuppressor geneP53 tumor suppressor geneNontoxic antioxidantsApoptosisCell linesSulfur-containing antioxidantsBiological effectsPrimary culturesElevated p53 expressionCellsInductionN-acetylcysteineGlutathione levelsRedox potential