Mizuho Maekawa

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The phenotype of the genetic polydactyly/arhinencephaly mouse (Pdn/Pdn) is similar to Greig cephalopolysyndactyly syndrome (GCPS), which is induced by mutation of GLI3. Suppression of Gli3 gene expression has been observed in Pdn/Pdn. Thus, the gene responsible for Pdn/Pdn has been considered to be Gli3. Recently, the mutation point was demarcated, that is,(More)
It is well known that ochratoxin A (OTA) induces neural tube defects (NTDs) in mice. In the present study, OTA was administered to the genetic polydactyly/arhinencephaly mouse (Pdn/Pdn) to investigate the synergistic effect between gene and environmental toxin. OTA treatment on day 7.5 of gestation increased NTDs in the Pdn/Pdn mouse. The responsible gene(More)
Non-treated homozygous polydactyly/arhinencephaly (Pdn/Pdn) mouse fetuses exhibited exencephaly in 16.7% of cases. Treatment of Pdn/Pdn mice with 350 mg/kg of valproic acid (VPA) on days 8.5 and 9.5 of gestation increased the rate of exencephaly to 66.7%. The responsible gene for the Pdn mouse phenotype has been determined to be Gli3, and the suppression of(More)
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