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Arch Toxicol. 1988;62(2-3):236-9.

Transfer of benzo(a)pyrene into mouse embryos and fetuses.

Author information

1
Institut für Toxikologie und Embryopharmakologie, Freie Universität Berlin.

Abstract

The distribution of radioactive material within maternal and embryonic/fetal mouse tissue was studied over a period of 2 days following a single dose of 14C-benzo(a)pyrene (B(a)P) orally on days 11, 12, 13 or 18 of pregnancy. B(a)P poorly penetrated into the embryo/fetus, and 14C-radioactivity was found in embryonic tissues at concentrations one to two orders of magnitude lower than in maternal organs. If the compound was administered for 3 consecutive days at the same dose the expected cumulation was compensated for by an accelerated elimination of the substance, which is probably due to enzyme induction.

PMID:
3196162
[Indexed for MEDLINE]

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