CamptothecinTopoisomerase I InhibitorsDNA Topoisomerases, Type IAntineoplastic Agents, PhytogenicTopotecanTopoisomerase InhibitorsCamptothecaDNA DamageTeniposideTopoisomerase II InhibitorsOrganosilicon CompoundsAntineoplastic AgentsRubiaceaeEnzyme InhibitorsAphidicolinOrganic Chemistry PhenomenaTumor Cells, CulturedApoptosisDrug Screening Assays, AntitumorEtoposideKB CellsDNA Topoisomerases, Type IICell Line, TumorDNA, SuperhelicalAmsacrineDNADrug ResistanceDNA CleavageDNA ReplicationIridoid GlucosidesDNA RepairCell SurvivalLeukemia L1210Drug Resistance, NeoplasmIntercalating AgentsCell CycleEllipticinesSecondary MetabolismLactonesLeukemia P388Chemistry, OrganicDNA, NeoplasmTumor Suppressor Protein p53Poly(ADP-ribose) PolymerasesNeoplasmsCell LineIndenesNaphthoquinonesS PhaseDose-Response Relationship, DrugIridoidsProdrugsAlkaloidsNucleic Acid Synthesis InhibitorsHeLa CellsLeishmania donovaniAcrylamidesHT29 CellsDrug SynergismDNA FragmentationBase SequenceCathaDrug CarriersMutationDiterpenesHL-60 CellsDNA-Binding ProteinsColonic NeoplasmsCaspasesDichlororibofuranosylbenzimidazoleMitoxantroneFlavanonesMolecular Sequence DataCell DivisionCricetinaeInhibitory Concentration 50RecQ HelicasesGranulocyte Precursor CellsStaurosporineMolecular StructureKineticsDoxorubicinMice, NudeCaspase 3