Variable patterns of malformation in the mouse fetal hydantoin syndrome
- 1 November 1984
- journal article
- research article
- Published by Wiley in American Journal of Medical Genetics
- Vol. 19 (3), 463-471
- https://doi.org/10.1002/ajmg.1320190307
Abstract
Controversy over the existence of a fetal hydantoin syndrome continues in medical literature despite numerous recent clinical studies describing additional patients with a characteristic pattern of abnormalities. Resistance to its acceptance as a clinical entity seems to stem from the variability of the component malformations seen in this syndrome. To examine this variability in a controlled experimental situation, we utilized data obtained in previously reported studies of a mouse model of the fetal hydantoin syndrome. In the mouse, prenatally exposed fetuses had congenital anomalies similar to those observed in the human syndrome. In terms of overall frequency of malformation there were no differences among three inbred mouse strains. However, when considering the individual rates of the 11 most common malformations, considerable differences were noted among the strains. These strain differences in the pattern of malformations appear to be related to genotypic differences in susceptibility to specific malformations. These results provide one possible explanation for the variability observed in the human fetal hydantoin syndrome.Keywords
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