Title : Enzymatic methylation of microsomal metabolites of benzo(a)pyrene.

Pub. Date : 1981 Nov

PMID : 6272977






7 Functional Relationships(s)
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1 These studies suggest that the microsomal metabolism of benzo(a)pyrene (BP) produces metabolites which can be methylated by the catechol-o-methyltransferase (COMT)/S-adenosylmethionine (SAM) enzyme/donor combination. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
2 These studies suggest that the microsomal metabolism of benzo(a)pyrene (BP) produces metabolites which can be methylated by the catechol-o-methyltransferase (COMT)/S-adenosylmethionine (SAM) enzyme/donor combination. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
3 These studies suggest that the microsomal metabolism of benzo(a)pyrene (BP) produces metabolites which can be methylated by the catechol-o-methyltransferase (COMT)/S-adenosylmethionine (SAM) enzyme/donor combination. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
4 These studies suggest that the microsomal metabolism of benzo(a)pyrene (BP) produces metabolites which can be methylated by the catechol-o-methyltransferase (COMT)/S-adenosylmethionine (SAM) enzyme/donor combination. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
5 Approximately 0.06% of substrate BP was recovered as COMT/SAM-reactive substances. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
6 Organic extracts of COMT/[14C]SAM incubations with BP were fractionated by high-performance liquid chromatography. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens
7 When the Ames mutagenesis assay was supplemented with COMT/SAM, a 36% reduction was observed in the number of revertant colonies induced by the microsomal oxidation of BP. Benzo(a)pyrene catechol-O-methyltransferase Homo sapiens