Heterologous expression of human N-acetyltransferases 1 and 2 and sulfotransferase 1A1 in Salmonella typhimurium for mutagenicity testing of heterocyclic amines.

@article{Muckel2002HeterologousEO,
  title={Heterologous expression of human N-acetyltransferases 1 and 2 and sulfotransferase 1A1 in Salmonella typhimurium for mutagenicity testing of heterocyclic amines.},
  author={Eva Muckel and Henrik Frandsen and Hansruedi Glatt},
  journal={Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association},
  year={2002},
  volume={40 8},
  pages={1063-8}
}
A variety of carcinogenic heterocylic amines (HAs) are found in cooked food. They can be metabolised to reactive intermediates via N-hydroxylation catalysed by cytochrome P450 1A2, followed by conjugation of the resulting N-hydroxyl group by N-acetyltransferase (NAT) or sulfotransferase (SULT). In order to compare the role of O-acetylation and O-sulfonation by human enzymes in the activation of HAs, we have introduced the cDNAs for wild-type forms of human NAT1, NAT2 and SULT1A1 in the… CONTINUE READING

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