Mutagenicity and tumor initiating activity of methylated benzo[k]fluoranthenes

Shantu Amin, Nalband Hussain, George Balanikas, Keith Huie, Stephen S. Hecht

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The mutagenic activities toward Salmonella typhimurium TA 100 and tumor initiating activities on mouse skin of the polynuclear aromatic hydrocarbons benzo[k]fluoranthene (BkF), 2-methylBkF, 8-methylBkF, 9-methylBkF and 7,12-dimethylBkF were compared. BkF and 2-methylBkF were the most mutagenic of the compounds tested and had comparable activity; they were more active than 7,12-dimethylBkF. 8-MethylBkF and 9-methylBkF were not mutagenic. BkF and the methylated BkFs had similar tumor initiating activities on mouse skin. The results suggest that 8,9-dihydro-8,9-epoxyBkF might be involved in the metabolic activation of BkF to a mutagen, but do not indicate which metabolite may be involved in BkF tumorigenesis.

Original languageEnglish (US)
Pages (from-to)343-347
Number of pages5
JournalCancer Letters
Issue number3
StatePublished - Apr 1985

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research


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