Quantitative and qualitative changes in the inhibition of DNA adduct formation in the presence of increasing concentrations of norharman (NH) were investigated in vivo in mouse fibroblasts treated with dibenzo[a,e]fluoranthene (DBF), a potent carcinogen in mice. The nuclease P1 modification
Dibenzo[a,e]fluoranthene.
IARC monographs on the evaluation of the carcinogenic risk of chemicals to humans, 32, 321-325 (1983-12-01)
In vivo binding of dibenzo[a,e]fluoranthene (DBF) to mouse embryo fibroblast DNA was compared with that observed previously in vitro on calf thymus DNA incubated with mouse liver microsomes. The h.p.l.c. elution patterns of the adducts formed by DBF metabolites with
The metabolism of the polycyclic hydrocarbon dibenzo[a,e]fluoranthene (DBF) has been investigated. Two new primary metabolites have been identified by proton n.m.r. as the trans diaxial dihydrodiols of the bay and of the pseudo bay regions of DBF. In addition, twelve
The three-dimensional distribution of nuclear DNA damage induced by dibenzo(a,e)fluoranthene (DBF), a potent carcinogen for mouse fibroblasts, has been examined. The intact supercoiled nuclear DNA obtained from nucleoids of mouse fibroblasts incubated with DBF was fractionated into loop DNA attached
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