期刊
REPRODUCTIVE TOXICOLOGY
卷 33, 期 2, 页码 133-141出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.reprotox.2011.07.001
关键词
Zebrafish; Teratogenic; Coumarin; Warfarin; Anticoagulants
Coumarin and warfarin, two substances which are intensively metabolized in animals and humans, were tested for teratogenicity and embryo lethality in a 3-day in vitro assay using zebrafish embryos. Warfarin is a coumarin derivative, but in contrast to the mother substance warfarin has anticoagulant properties. Both substances produced teratogenic and lethal effects in zebrafish embryos. The LC50 and EC50 values for coumarin are 855 mu M and 314 mu M, respectively: the corresponding values for warfarin are 988 mu M and 194 mu M. For coumarin, three main or fingerprint endpoints (malformation of head, tail and growth retardation) were identified, whereas malformation of tail was the only fingerprint endpoint of warfarin. The analysis of the ratios between the zebrafish embryo effect concentrations of both substances and human therapeutic plasma concentrations confirmed the teratogenic potential of warfarin, as well as the equivocal status of coumarin. (C) 2011 Elsevier Inc. All rights reserved.
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