Bovine papillomavirus E2 protein activates a complex growth-inhibitory program in p53-negative HT-3 cervical carcinoma cells that includes repression of cyclin A and cdc25A phosphatase genes and accumulation of hypophosphorylated retinoblastoma protein.
Naeger L, Goodwin E, Hwang E, DeFilippis R, Zhang H, DiMaio D. Bovine papillomavirus E2 protein activates a complex growth-inhibitory program in p53-negative HT-3 cervical carcinoma cells that includes repression of cyclin A and cdc25A phosphatase genes and accumulation of hypophosphorylated retinoblastoma protein. Molecular Cancer Research 1999, 10: 413-22. PMID: 10392903.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarrier ProteinsCattleCdc25 PhosphatasesCDC2-CDC28 KinasesCell Cycle ProteinsCell DivisionCyclin ACyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent KinasesCyclinsDNA-Binding ProteinsE2F Transcription FactorsE2F1 Transcription FactorEnzyme InhibitorsFemaleGene Expression RegulationGrowth InhibitorsHeLa CellsHumansPhosphoprotein PhosphatasesPhosphorylationProtein Serine-Threonine KinasesProtein Tyrosine PhosphatasesRepressor ProteinsRetinoblastoma ProteinRetinoblastoma-Binding Protein 1Transcription Factor DP1Transcription FactorsTumor Cells, CulturedTumor Suppressor Protein p53Uterine Cervical NeoplasmsViral ProteinsConceptsCervical carcinoma cell linesHT-3 cellsCarcinoma cell linesE2 proteinE6/E7 genesCell linesGrowth inhibitionCervical carcinoma cellsCyclin ACyclin-dependent kinase 2 activityExpression of CDC25AKinase 2 activityE7 genesCell cycle componentsCarcinoma cellsCDC25B expressionE2 expressionProtein levels