Abstract
δ-Aminolevulinic acid synthase and heme oxygenase are closely functionally connected with the hepatic microsomal mixed function oxydase system. There is a wide range of changes in microsomal heme oxygenase activity, cytochrome P-450 level and mitochondrial δ-aminolevulinic acid synthase activity in rat livers at various stages of life. We tried to investigate the spontaneous phases of these enzymatic protein activities and the levels of cytochrome P-450 as a function of age. We noted that each of these proteins change their activity and level very characteristically during the rats' lifetime. However, correlations between heme oxygenase activity, δ-aminolevulinic acid synthase activity and cytochrome P-450 levels still need to be investigated to elucidate the mechanism of these connections.
Published Version
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