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XB-ART-46222
Methods Mol Biol 2013 Jan 01;947:403-21. doi: 10.1007/978-1-62703-131-8_29.
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Frog embryo teratogenesis assay on Xenopus and predictivity compared with in vivo mammalian studies.

Leconte I , Mouche I .


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Frog embryo teratogenesis assay on Xenopus (FETAX) has been routinely used in our laboratory for the last 12 years as a routine developmental toxicity screening test for pharmaceutical candidate compounds. To date, out of more than 400 candidates tested in FETAX, around 60 have also been evaluated in mammalian embryotoxicity studies according to standard ICH protocols.Compound teratogenic potential in both FETAX and mammalian embryotoxicity studies is determined after analysis of the developmental toxicity characterized by embryotoxicity, growth delay, and/or potential to induce malformations. Based on this experience, the predictivity of FETAX is 81% with a minimal proportion of false positive results.

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