Abstract
A capillary gas-chromatographic method with nitrogen-phosphorus detection is used here to simultaneously determine 1,3-diaminopropane, putrescine, cadaverine, spermidine, spermine, isoputreanine , putreanine , and N-(3-aminopropyl)-N'-(2-carboxyethyl)-1,4- diaminobutane in urine. After acid hydrolysis the compounds are isolated by adsorption onto silica gel and converted into their methyl-heptafluorobutyryl derivatives. We give quality-control data and age-dependent values for urinary excretion of these analytes by 76 apparently healthy controls. Circadian rhythmicity in the excretion of spermidine and (especially) isoputreanine was established and is discussed in the light of its implications for monitoring therapy of cancer. Investigation of menstrual-cycle-dependent diurnal variation in one normal woman showed no distinct, consistent fluctuations. We applied the method to monitor (by use of 24-h urine specimens) an uncomplicated, normally progressing pregnancy, a patient with metastatic melanoma being treated with cytostatic drugs, and (in more detail) the treatment of a patient with high-grade non-Hodgkin lymphoma.
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