The in vitro metabolism of 2,2',4,4',5,5'-hexabromobiphenyl

R. Purdy, S. Safe

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Radiolabelled 2,2',4,4',5,5'-hexabromobiphenyl was metabolized in vitro by rat liver microsomal enzymes to give more polar ether soluble lipophilic metabolites, trichloroacetic acid soluble conjugates and a macromolecular adduct fraction. The rates of formation of the three metabolic fractions were significantly enhanced using Firemaster BP-6 and 2,2',4,4',5,5'-hexabromobiphenyl induced microsomal enzymes. Comparative metabolic studies with the 4-brombiphenyl substrate showed that the lower brominated biphenyl substrate was more readily metabolized and the rate of metabolism was enhanced only with the Firemaster BP-6 induced microsomal enzymes and not the 2,2',4,4',5,5'-hexabromobiphenyl induced enzyme system.

Original languageEnglish (US)
Pages (from-to)277-284
Number of pages8
JournalJournal of Environmental Pathology and Toxicology
Issue number1
StatePublished - 1980

ASJC Scopus subject areas

  • Medicine(all)


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