An atypical phenotype of Reis-Bücklers corneal dystrophy caused by the G623D mutation in TGFBI
2008

Atypical Reis-Bücklers Corneal Dystrophy Mutation

Sample size: 104 publication Evidence: moderate

Author Information

Author(s): Li Dandan, Qi Yanhua, Wang Li, Lin Hui, Zhou Nan, Zhao Liming

Primary Institution: Harbin Medical University the 2nd Affiliated Hospital

Hypothesis

To characterize the molecular defects in the TGFBI gene in a Chinese family with an unusual phenotype of Reis-Bücklers corneal dystrophy (RBCD).

Conclusion

This study suggests that the disorder is a variant of Reis-Bücklers corneal dystrophy, expanding the understanding of the disease.

Supporting Evidence

  • The study identified a heterozygous point mutation at exon 14 in all affected family members.
  • The clinical features included geographic opacities in the anterior to mid stroma of the cornea.
  • The findings may help in diagnosing corneal dystrophies with atypical features.

Takeaway

This study looked at a family with a rare eye condition and found a specific gene mutation that causes different symptoms than usual.

Methodology

The study involved genetic analysis of a three-generation family with RBCD, including PCR amplification and sequencing of the TGFBI gene.

Limitations

The study is limited to a single family and may not represent the broader population.

Participant Demographics

The study involved a Chinese family with a history of consanguinity.

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