A possible role for melatonin in regulation of chick liver xanthine dehydrogenase activity

摘要: Abstract The hormone melatonin found in the pineal gland causes a striking increase chick liver xanthine dehydrogenase. Whether effect is direct or indirect unknown at present. This material, however, has no observable when administered alone but requires coadministration of material such as iproniazid harmine. While these materials are known to be monoamine oxidase inhibitors, their modes action relative may quite different.