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Genetics of neural tube defects
J Gelineau-van Waes1, R H Finnell
1Department of Cell Biology & Anatomy, Center for Human Molecular Genetics, Nebraska Medical Center, Omaha 68198-5455, USA.
Seminars in Pediatric Neurology
|September 29, 2001
Summary
Neural tube defects (NTDs) are congenital malformations influenced by genetics and maternal nutrition. Studying mouse models helps identify genes in folate metabolism and development pathways linked to NTD causes.
Area of Science:
- Developmental Biology
- Genetics
- Teratology
Background:
- Neural tube defects (NTDs) are common congenital malformations.
- NTDs result from improper closure of the embryonic neural tube.
- Both genetic and environmental factors contribute to NTD development.
Purpose of the Study:
- Investigate candidate genes involved in neural tube development and closure.
- Focus on genes related to folate transport and metabolism due to maternal nutrition's role.
- Explore the genetic underpinnings of NTDs using mouse models.
Main Methods:
- Utilize mouse NTD mutants as models for genetic studies.
- Analyze genes involved in embryonic development, including transcription factors.
- Examine genes related to cell division, cytoskeleton regulation, and methylation.
Main Results:
- Identified multiple candidate genes implicated in NTD etiology.
- Highlighted the significance of folate metabolism genes.
- Observed that genes involved in mitosis, actin regulation, and methylation are also relevant.
Conclusions:
- Genetic factors play a crucial role in neural tube defect development.
- Maternal folate status significantly impacts NTD risk.
- Alterations in various developmental pathways can converge to cause NTDs.