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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Metabolism of N-hydroxyurethane by guinea pig liver preparations.

The present study demonstrated the metabolism of N-hydroxyurethane by cell-free preparations, i.e., 9000 X g supernatant, cytosol and microsomes, from guinea pig livers. Under anaerobic conditions, the metabolizing activities of these preparations were enhanced markedly by addition of both an NADPH- or NADH-generating system and FAD. When the 30-45% ammonium sulfate fraction from liver cytosol was combined with liver microsomes or milk xanthine oxidase, the metabolic reaction of N-hydroxyurethane proceeded to a greater extent. Thin-layer chromatographic examination showed that urethane was only a metabolite formed from N-hydroxyurethane by these preparations.[1]


  1. Metabolism of N-hydroxyurethane by guinea pig liver preparations. Tatsumi, K., Sugihara, K., Kawazoe, Y. J. Pharmacobio-dyn. (1982) [Pubmed]
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