Abstract
Neural tube defects (NTDs) are some of the most common human malformations. The vast majority of NTDs can be prevented by the administration of folic acid; however, to date there has been no effective treatment of folic acid-resistant NTDs. A recent paper has confirmed an earlier report that the administration of inositol to the curly tail mutant mouse, which is a model of folate-resistant NTDs, can cure such defects. The molecular pathway by which this is achieved is thought to occur by the up-regulation of the retinoic acid receptor beta in the underlying hindgut endoderm, correcting a proliferation defect. However, alternative explanations also may account for NTDs.
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