Märta Svedling

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In the present study we have investigated the disappearance of chlorzoxazone, dextromethorphan, 7-ethoxycoumarin, imipramine, quinidine, testosterone and verapamil from the medium in which fresh and cryopreserved rat liver slices were incubated. These compounds are all substrates of major isoforms of cytochrome P450 expressed in the liver. The metabolism of(More)
15-lipoxygenase-1 (15-LO-1) can oxygenate both free fatty acids and fatty acids bound to membrane phospholipids. The regulation of the activity of membrane associated 15-LO-1 is poorly understood. Here we demonstrate that calcium ionophore stimulates the translocation of 15-LO-1 to the plasma membrane in human dendritic cells. In a protein-lipid overlay(More)
1. Xenobiotic-metabolizing enzymes, including both cytochrome P450 and phase II-conjugating systems, have been characterized in rat liver slices cryopreserved in 12 or 18% dimethylsulphoxide (DMSO). 2. Several cytochrome P450 isoforms in rat liver slices metabolized testosterone to a variety of hydroxylated products. The rates of formation of these same(More)
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