Genetic Links Between Infantile Esotropia and Duane Retraction Syndrome
Author Information
Author(s): Khan Arif O., Shinwari Jameela, Al Sharif Latifa, Khalil Dania, Al-Gehedan Saeed, Al Tassan Nada A.
Primary Institution: King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
Hypothesis
Infantile esotropia could be oligogenic and allelic with Duane retraction syndrome.
Conclusion
Non-syndromic infantile esotropia may share genetic susceptibility loci with Duane retraction syndrome.
Supporting Evidence
- Three children had non-syndromic large-angle infantile esotropia.
- Linkage analysis identified disease loci on chromosomes 3 and 6.
- The study suggests oligogenic inheritance for infantile esotropia.
Takeaway
This study looked at a family with several children who have eye problems and found that their conditions might be caused by shared genes.
Methodology
Clinical examinations and DNA analysis were performed on family members, followed by linkage analysis using SNP genotyping.
Limitations
The study is limited to a single consanguineous family, which may not represent broader populations.
Participant Demographics
The study involved a consanguineous family with 14 members, including 12 children.
Want to read the original?
Access the complete publication on the publisher's website