Experiment 470703

Compounds isolated

Details

PropertyValue
Pharmacology
OrganismEmpty organism
CitationLETEURTRE,F: FESEN,M: KOHLHAGEN,G: KOHN,KW: POMMIER,Y:. (1993). SPECIFIC INTERACTION OF CAMPTOTHECIN, A TOPOISOMERASE I INHIBITOR, WITH GUANINE RESIDUES ON DNA DETECTED BY PHOTOACTIVATION AT 365 NM.. 32(34)
Amount utilized
Compound isolated
DiseaseCMPD INDUCED SINGLE STRAND BREAKS AFTER UV IRRADIATION AT SITES HAVING GUANINE AT THE 5' END. EFFECT DECREASED BY DIDEOXYGUANOSINE TRIPHOSPHATES AND NA+ MG 2+ SHIELDING OF GROOVE. SPERMIDINE ENHANCED EFFECT. IN AEROBIC CONDITIONS, THIOUREA, SODIUM AZIDF AND CATALASE WERE MORE PROTECTIVE THAN SUPEROXIDE DISMUTASE OR MANNITOL. AN AEROBIC CONDITIONS YIELDED MORE BREAKS THAN AEROBIC.
Dose amount00.0 MICROMOLS
Number1
Qualitative resultACTIVE
Dose expressionIC100