Search results for "Genotoxic stress"

showing 1 items of 11 documents

Inhibition of Protein Isoprenylation Impairs Rho-Regulated Early Cellular Response to Genotoxic Stress

2000

Activation of c-Jun N-terminal kinases (JNKs) and nuclear factor-kappaB (NF-kappaB) are early cellular responses to genotoxic stress involved in the regulation of gene expression. Pretreatment of cells with the hydroxymethyl glutaryl-CoA reductase inhibitor lovastatin blocked stimulation of JNK1 activity by UV irradiation and by treatment with the alkylating compound methyl methanesulfonate but did not affect activation of extracellular signal-regulated kinase 2 by UV light. Lovastatin also attenuated UV-induced degradation of the NF-kappaB inhibitor IkappaBalpha. The effects of lovastatin on UV-triggered stimulation of JNK1 as well as on IkappaBalpha degradation were reverted by cotreatmen…

rho GTP-Binding ProteinsProtein PrenylationStimulationClostridium difficile toxin BCHO CellsGenotoxic StressBiologychemistry.chemical_compoundCricetinaemedicineAnimalsHumansMitogen-Activated Protein Kinase 8LovastatinPharmacologyMutagenicity TestsKinaseFarnesyltransferase inhibitorNF-kappa BMethyl methanesulfonateCell biologyIκBαchemistryMolecular MedicineLovastatinHydroxymethylglutaryl-CoA Reductase InhibitorsMitogen-Activated Protein KinasesHeLa CellsSignal Transductionmedicine.drugMolecular Pharmacology
researchProduct