[Liver transplantation in humans].
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Biomedical subjects
Publications and source records attributed to H Collste.
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The epoxidation of carbamazepine (CBZ) and the hydration of the primary epoxide metabolite was studied in microsomes isolated from ten human livers. To study the epoxide hydrolase activity a high-performance liquid-chromatographic method was developed for the analysis of dihydro-CBZ-trans-diol. There was a pronounced variation between the specimens in the activity of both enzymes. There appeared to be a positive correlation between the activity of the two enzymes. In rats pretreated with either CBZ or phenobarbital for 4 days, the microsomal epoxidation of CBZ was induced. The epoxide hydrolase activity was also increased, although less so than in epoxidation.