alexa Teratogenic effects of the plant hormone indole-3-acetic acid in mice and rats.
Toxicology

Toxicology

Journal of Drug Metabolism & Toxicology

Author(s): John JA, Blogg CD, Murray FJ, Schwetz BA, Gehring PJ, John JA, Blogg CD, Murray FJ, Schwetz BA, Gehring PJ

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Abstract These studies evaluated the teratogenic potential of indole-3-acetic acid (IAA), a naturally occurring plant hormone, in CF-1 mice and Sprague-Dawley rats. Mice were given 5, 50, 200, or 500 mg IAA/kg/day by gavage on days 7 through 15 of gestation. Rats were given 50, 200, or 500 mg IAA/kg/day by gavage on days 7 through 15 of gestation. IAA was teratogenic in mice and rats at 500 mg/kg/day; cleft palate was induced in both species at this dose level. In mice, other malformations including exencephaly, ablepharia, dilated cerebral ventricles, and crooked tail were also observed. Mice given 500 mg/kg of IAA gained less than control mice during gestation; no evidence of maternal toxicity was observed in rats. IAA did not cause fetal resorptions in either species and was not teratogenic at dose levels below 500 mg/kg. This article was published in Teratology and referenced in Journal of Drug Metabolism & Toxicology

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