Abstract
IN foetuses and newborn animals, the activity of the hepatic enzymes required to metabolize and conjugate drugs is low1–4, apparently because of a defect in enzyme synthesis5, and can be markedly compensated for by treating the newborn animals with various compounds—rats with 3,4-benzpyrene4 and rabbits or mice with phenobarbitone6–8, for example. Administration of these drugs to pregnant animals also increased the activity of drug metabolizing enzymes in the maternal liver4,9, but in most cases8,10,11 exerted little effect on the foetal liver. This indicates the complexities of induced drug metabolism during pregnancy.
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FEUER, G., LISCIO, A. Origin of Delayed Development of Drug Metabolism in the Newborn Rat. Nature 223, 68–70 (1969). https://doi.org/10.1038/223068a0
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DOI: https://doi.org/10.1038/223068a0
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