Zeljko Domazet

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Intravenous bolus injection of prostaglandin I2 in the Inactin-anaesthetised rat produces a slow dose-dependant vasodepression which reaches maximum approximately 15 s. after injection. Administration of 9 beta-[3H1]-prostaglandin I2 by the same route followed by serial arterial sampling and TLC analysis revealed a slow conversion into one less polar(More)
15-Keto-13,14-dihydro 6-ketoprostaglandin E1 was positively identified by gas chromatography-mass spectrometry with negative-ion chemical ionisation detection from samples of rat kidney high-speed supernatant incubated with prostaglandin I2 in the presence of NAD+. A decreased formation of this product was observed when NAD+ was substituted with NADP+ and(More)
1. Catabolism of prostaglandin F2alpha in the adult rat kidney takes place by the following sequence of enzymatic steps: (1) 15-hydroxyprostaglandin dehydrogenase; (2) prostaglandin delta13-reductase; and (3) 9-hydroxyprostaglandin dehydrogenase. 2. 9-Hydroxyprostaglandin dehydrogenase activity was highest in the cortex with lesser amounts in the medulla(More)
Homogenates of the rat kidney cortex converted 5,8,9,11,12,14,15-hepta-tritiated 6-ketoprostaglandin F 1alpha into one major product identified by gas chromatography-mass spectrometry of the methoxime-methyl ester trimethylsilyl ether derivative as 6,15-diketo-9,11-dihydroxyprost-13-enoic acid. The sequence of derivatisation i.e. methoximation prior to(More)