Genetics of Meesmann Corneal Dystrophy: A New Mutation in Keratin 3
Author Information
Author(s): Szaflik Jacek P., Ołdak Monika, Maksym Radosław B., Kamińska Anna, Pollak Agnieszka, Udziela Monika, Płoski Rafał, Szaflik Jerzy
Primary Institution: Medical University of Warsaw
Hypothesis
The study investigates the genetic background of Meesmann corneal dystrophy in a Polish family.
Conclusion
A novel E498V mutation in the KRT3 gene was found to segregate with the disease in the studied family.
Supporting Evidence
- The E498V mutation was found in four affected family members and absent in 100 controls.
- The mutation affects a highly conserved amino acid in the keratin 3 protein.
- The study suggests a genotype-phenotype correlation in Meesmann corneal dystrophy.
Takeaway
This study found a new change in a gene that can cause eye problems in some family members, but not all of them show symptoms.
Methodology
The study involved a three-generation family with MCD, using slit-lamp examination, confocal microscopy, and DNA sequencing.
Limitations
The study is limited to a single family, which may not represent the broader population.
Participant Demographics
The family consisted of three generations with four affected individuals and three unaffected members.
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