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  • Title: Elevated ornithine decarboxylase activity in the rat liver following exposure to halothane, enflurane and isoflurane.
    Author: Van Dyke RA, Baihly CD, Nelson RM.
    Journal: Life Sci; 1982 May 31; 30(22):1893-8. PubMed ID: 7109827.
    Abstract:
    Exposure of rats to the volatile anesthetics, halothane, enflurane and isoflurane and low FIO2 (0.8%) for two hours results in a transient induction of ODC appearing maximally four hours after exposure. Without the low oxygen accompanying the anesthetic or the low oxygen alone, no significant induction of ODC occurred. The concentration of anesthetic used to produce the ODC induction were 0.5% halothane, 1.5% enflurane and 1.4% isoflurane. Except for halothane, reducing the anesthetic concentration only slightly reduced the effect on ODC levels to control values. Reduction of halothane concentrations to 0.1% was required to reduce the values to control levels. Pretreatment of the animals with either cycloheximide or actinomycin D delayed the onset of ODC induction. The data support the fact that liver damage can occur in the absence of metabolism of the drug.
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