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XB-ART-26285
Drug Chem Toxicol 1990 Jan 01;134:267-82. doi: 10.3109/01480549009032286.
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Further validation of FETAX: evaluation of the developmental toxicity of five known mammalian teratogens and non-teratogens.

Bantle JA , Fort DJ , Rayburn JR , DeYoung DJ , Bush SJ .


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The developmental toxicity of five compounds was evaluated with the Frog Embryo Teratogenesis Assay: Xenopus (FETAX). Late Xenopus laevis blastulae were exposed to 5-azacytidine, methotrexate, pseudoephedrine, aspartame, and amaranth for 96 h. Three separate static-renewal assays were conducted for each compound. Based on Teratogenic Index [LC50/EC50 (malformation)] values, types and severity of induced malformations, and embryo growth, 5-azacytidine and methotrexate tested as having strong teratogenic potential. Pseudoephedrine scored as having moderate teratogenic potential, but amaranth and aspartame had little or no teratogenic potential. Results support the use of FETAX for the screening of developmental toxicants.

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