Activation of 2‐Hydroxyamino‐l‐methyl‐6‐phenylimidazo[4,5‐b]pyridne by cDNA‐expressed Human and Rat Arylsulfotransferases

@inproceedings{Ozawa1994ActivationO2,
  title={Activation of 2‐Hydroxyamino‐l‐methyl‐6‐phenylimidazo[4,5‐b]pyridne by cDNA‐expressed Human and Rat Arylsulfotransferases},
  author={Shogo Ozawa and H C Chou and Fred F. Kadlubar and Kiyoshi Nagata and Yasushi Yaraazoe and Ryuichi Kato},
  booktitle={Japanese journal of cancer research : Gann},
  year={1994}
}
Sulfation plays an obligatory role in the activation of N-hydroxy derivatives of carcinogenic arylamine (amide)s and heterocyclic amines. We found that the hepatic sulfotransferase-mediated covalent binding of 3H-labeled 2-hydroxyamino-1-methyl-6-phenylimidazo[4,5-b] pyridine (N-OH-PhIP) to calf thymus DNA was 3.3 and 12.9 times higher with human cytosol preparation than with male and female rat cytosol preparations, respectively, in the presence of 3'-phosphoadenosine 5'-phosphosulfate. To… CONTINUE READING

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