Mutation spectrum of PAX6 in Chinese patients with aniridia
2011

PAX6 Gene Mutations in Chinese Aniridia Patients

Sample size: 33 publication Evidence: moderate

Author Information

Author(s): Zhang Xiaohui, Wang Panfeng, Li Shiqiang, Xiao Xueshan, Guo Xiangming, Zhang Qingjiong

Primary Institution: Zhongshan Ophthalmic Center, Sun Yat-sen University

Hypothesis

To identify mutations in the paired box 6 (PAX6) gene of 33 probands with aniridia and to reveal the mutational spectrum in the Chinese population.

Conclusion

The PAX6 mutation spectrum in Chinese aniridia patients is comparable to that reported in other ethnic groups.

Supporting Evidence

  • Fifteen mutations were identified in 16 of the 33 families.
  • The first five mutations were novel.
  • Phenotypic variations were observed between families and between different affected patients within the families.

Takeaway

This study looked at a gene called PAX6 in people with a condition that affects their eyes. They found some changes in the gene that can cause problems with vision.

Methodology

The study analyzed the coding regions of PAX6 using cycle sequencing and multiplex ligation-dependent probe amplification (MLPA) in 33 unrelated probands with aniridia.

Limitations

Further studies are needed for the 17 families with no detected mutations to understand the molecular genetics of aniridia better.

Participant Demographics

The study included 33 unrelated probands with aniridia from 27 newly selected families and six previously analyzed families.

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