Association between CFL1 gene polymorphisms and spina bifida risk in a California population
2007

CFL1 Gene Variations and Spina Bifida Risk

Sample size: 582 publication Evidence: moderate

Author Information

Author(s): Zhu Huiping, Enaw James O Ebot, Ma Chen, Shaw Gary M, Lammer Edward J, Finnell Richard H

Primary Institution: Center for Environmental and Genetic Medicine, Institute of Biosciences and Technology, Texas A&M University System Health Science Center

Hypothesis

Genetic variation within the human CFL1 gene may alter the protein's function and result in defective actin depolymerizing and cellular activity during neural tube closure.

Conclusion

The sequence variation of the human CFL1 gene is a genetic modifier for spina bifida risk in this California population.

Supporting Evidence

  • Homozygosity for the minor alleles of the SNPs studied appeared to produce an increased risk for spina bifida.
  • Subjects with the haplotype composed of all minor alleles appeared to have increased spina bifida risk.
  • The study included a large population-based case-control design.

Takeaway

This study found that certain genetic changes in the CFL1 gene might make babies more likely to have spina bifida, a serious birth defect.

Methodology

The study involved a population-based case-control design with genetic analysis of SNPs in the CFL1 gene among infants with spina bifida and controls.

Limitations

The findings may be limited by the small sample size and the potential for random variation in results.

Participant Demographics

246 cases (infants with spina bifida) and 336 controls (non-malformed infants), including non-Hispanic white and Hispanic white ethnicities.

Statistical Information

Confidence Interval

95% CI: 0.9~2.9

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2350-8-12

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