Topoisomerase InhibitorsAlkylating AgentsTopoisomerase I InhibitorsTopoisomerase II InhibitorsDNA Topoisomerases, Type IDNA Topoisomerases, Type IICamptothecinDNA TopoisomerasesEtoposideAmsacrineTrypanosoma rangeliAntineoplastic Agents, AlkylatingEllipticinesDNA DamageAntineoplastic Agents, PhytogenicEnzyme InhibitorsAntineoplastic AgentsAlkylationTopotecanO(6)-Methylguanine-DNA MethyltransferaseMethylnitronitrosoguanidineDNA Topoisomerase IVMethyl MethanesulfonateTumor Cells, CulturedApoptosisMechlorethamineTeniposideCell SurvivalCarmustineDoxorubicinChlorambucilCell Line, TumorCell CycleEthyl MethanesulfonateDNA RepairDNA, SuperhelicalTumor Suppressor Protein p53DNANitrogen Mustard CompoundsDacarbazineMelphalanNovobiocinDrug ResistanceGuanineCyclophosphamideMethylnitrosoureaIntercalating AgentsSulfuric Acid EstersMutagensEthylnitrosoureaPodophyllotoxinDNA-Binding ProteinsDNA CleavageDNA, CatenatedRazoxaneThiotepaNitrosourea CompoundsMethyltransferasesMolecular Sequence DataAntigens, NeoplasmBase Sequence