Identification of a Novel ZIC3 Isoform and Mutation Screening in Patients with Heterotaxy and Congenital Heart Disease
2011

Identifying a New ZIC3 Isoform in Heart Disease

Sample size: 109 publication Evidence: moderate

Author Information

Author(s): James E. J. Bedard, Allison M. Haaning, Stephanie M. Ware

Primary Institution: Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine

Hypothesis

Could a novel isoform of ZIC3 contribute to heterotaxy and congenital heart disease?

Conclusion

The study identified a new ZIC3 isoform, Zic3-B, but no pathogenic mutations were found in the screened cohort.

Supporting Evidence

  • ZIC3 mutations are linked to congenital heart defects and heterotaxy.
  • The study confirmed the existence of a novel ZIC3 isoform, Zic3-B.
  • Zic3-B was shown to be expressed in both murine and human cells.

Takeaway

Scientists found a new version of a gene important for heart development, but they didn't find any harmful changes in that gene in the patients they studied.

Methodology

The study involved mutation screening of ZIC3 in 109 male patients with heterotaxy and congenital heart disease, along with experiments to characterize the new isoform.

Limitations

The study was limited by the small number of familial cases and the lack of identified mutations in the new isoform.

Participant Demographics

The study focused on 109 male patients with heterotaxy and congenital heart disease.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023755

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