The Role of Seizure-Related SEZ6 as a Susceptibility Gene in Febrile Seizures
2011

The Role of SEZ6 Gene in Febrile Seizures

Sample size: 190 publication Evidence: moderate

Author Information

Author(s): John C. Mulley, Iona Xenia, Bree Hodgson, Sarah E. Heron, Samuel F. Berkovic, Ingrid E. Scheffer, Leanne M. Dibbens

Primary Institution: University of South Australia

Hypothesis

Can disturbances in the amount of transcribed SEZ6 through naturally occurring mutations predispose to seizures?

Conclusion

The study suggests that SEZ6 may play a role as a susceptibility gene for febrile seizures, but further investigation is needed.

Supporting Evidence

  • Variants in the SEZ6 gene were found in febrile seizure cases and controls at similar levels.
  • Two rare variants in febrile seizure cases were predicted to have damaging consequences.
  • Previous studies reported a strong association between SEZ6 and febrile seizures.

Takeaway

This study looked at a gene called SEZ6 to see if it makes kids more likely to have febrile seizures, and found some interesting clues.

Methodology

Ninety-four cases of febrile seizures were screened for SEZ6 mutations using genomic DNA from blood samples, compared to 96 controls.

Potential Biases

The control group may not have been adequately sized to draw strong conclusions.

Limitations

The sample size may not be large enough to detect all relevant genetic variations.

Participant Demographics

The study included 94 unrelated cases of febrile seizures, with an equal gender distribution (47 males, 47 females), and 96 Caucasian controls.

Digital Object Identifier (DOI)

10.1155/2011/917565

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