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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
1985-8-28
pubmed:abstractText
Benzo(a)pyrene metabolite: deoxyribonucleoside adducts were analyzed in hepatic and pulmonary cells isolated from rabbits 24 h after i.v. administration of [3H]BP (1 mg/kg; 50 mCi/kg). The major adduct in each of the cell types analyzed was (+)-r-7, t-8-dihydroxy-t-9, 10-oxy-7, 8, 9, 10-tetrahydrobenzo(a)pyrene: deoxyguanosine, but (+/-)-r-7, t-8-dihydroxy-c-9, 10-oxy-7, 8, 9, 10-tetrahydrobenzo(a)pyrene: deoxyguanosine and very low levels of (-)-r-7, t-8-dihydroxy-t-9, 10-oxy-7, 8, 9, 10-tetrahydrobenzo(a)pyrene -deoxyguanosine and an unidentified adduct were also observed. The level of the major adduct was similar in each of the isolated cell types and was at least as high in cells with very low cytochrome P-450-dependent monooxygenase activity (hepatic nonparenchymal cells and alveolar macrophages) as in those with higher activity (hepatocytes, alveolar type II cells, and Clara cells). The binding of benzo(a)pyrene metabolites to proteins was also determined, and again binding levels did not correlate with differences in cytochrome P-450 activity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:volume
45
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3477-81
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Quantitation of benzo(a)pyrene metabolite: DNA adducts in selected hepatic and pulmonary cell types isolated from [3H]benzo(a)pyrene-treated rabbits.
pubmed:publicationType
Journal Article