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Abstract
P450 induction was studied in adult and pipping MDs, pipping BCNHs, and rats. Adult MDs and rats received i.p. injection of corn oil, 3-methylcholanthrene (MC) in corn oil (20 mg/kg), saline or phenobarbital (PB) in saline (80 mg/kg) for 3 days. MD and BCNH embryos received MC and PB by injection into the aircell approximately 2 days before pipping and were sacrificed at pipping. Hepatic microsomes were assayed for protein, arylhydrocarbon hydroxylase (AHH), benzphetamine-N-demethylase (BEND), ethoxy-resorufin-O-dealkylase (EROD), pentoxyresorufin-O-dealkylase (PROD), benzyloxyresorufin-O-dealkylase (BROD), ethoxycoumarin-O-dealkylase (ECOD), and by SDS-PAGE with western blot using a polyclonal anti-P4S0IIB antibody and a monoclonal anti-P450IA antibody (MAb 1-12-3). Although species and age caused substantial differences in responses, all treated groups showed an increase in one or more monooxygenase assays. All animals treated with MC showed a strong induction of a protein recognized by anti-P450IA, and all those treated with PB showed strong induction of a band recognized by anti-P450IIB.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Cytochrome P450 induction in mallard duck (MD), black-crowned night heron (BCNH) and Fisher-344 rat |
| Series title | Society of Environmental Toxicology and Chemistry, annual meeting abstract book |
| Volume | 12 |
| Year Published | 1991 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 218 (abstract no. P320) |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Society of Environmental Toxicology and Chemistry, annual meeting abstract book |
| First page | 218 (abstr |
| Google Analytic Metrics | Metrics page |