Article
Expression of the <i>Sonic Hedgehog</i> gene in human embryos with neural tube defects
13 Apr 2000
Abstract excerpt
BACKGROUND: To estimate the rate of malformations observed during early human development, a series of 38,913 first-trimester abortions were studied. Neural tube defects (NTD) were found in 57 cases. METHODS: A histological study of serial sections performed in 25 embryos revealed a spectrum of axial structure abnormalities. Expression of the SHH gene was studied by in situ hybridization in one case of CRS and in...
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