Abstract
Male Wistar rats were given a diet containing 2% (w/w) di-(2-ethylhexyl)-phthalate (DEHP), a peroxisomal proliferator, for 4 weeks. The activities of enzymes of peroxisomal β-oxidation and of catalase were markedly increased by the DEHP administration. The time required to reach halfway to the maximal induction for enzymes of peroxisomal β-oxidation was 5–7 days, whereas that for catalase was 3 days. A separate DEHP group was placed on the control diet after 14 days of feeding with the DEHP diet. On the withdrawal of DEHP, activities of enzymes of the β-oxidation system and of catalase decreased to the control levels with a half-life of 2–3 days. Responses of some mitochondrial enzymes involved in fatty acid oxidation are also described.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - General Subjects
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