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pubmed:abstractText |
1. It has previously been established that monoamine oxidase (MAO)-B participates in the metabolism of milacemide [2-(pentylamino)acetamide]. Furthermore, in rats, inhibition of FAD-dependent polyamine oxidase (PAO) was found to decrease the urinary excretion of two milacemide metabolites, termed UK1 and UK2. 2. Using gas chromatography-mass spectrometry, UK1 was identified as oxamic acid and UK2 as 2-hydroxyacetamide, confirming that PAO is involved in the metabolism of milacemide. 3. Thus, two FAD-dependent amine-oxidizing enzymes, MAO and PAO, contribute to the metabolism of milacemide. Milacemide appears to be the first non-polyamine xenobiotic in the metabolism of which PAO participates.
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