Cornea · 2019
Identification of a Novel ZNF469 Mutation in a Pakistani Family With Brittle Cornea Syndrome.
СтатьяНазвание и аннотация: Перевод в очереди
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Micheal Shazia, Siddiqui Sorath Noorani, Zafar Saemah Nuzhat, Gabriëla Niewold Ilse Therésia, Khan Muhammad Imran, Bergen Arthur A B
Аннотация
PURPOSE: Brittle cornea syndrome (BCS) is a rare recessive disorder affecting connective tissues, most prominently in the eye. Pathogenic mutations causing BCS have been identified in PRDM5 and ZNF469 genes. This study investigates the genetic cause of BCS in a large, consanguineous Pakistani family with 4 affected and 3 unaffected individuals.
METHODS: The coding region and exon-intron splice junctions of PRDM5 and ZNF469 genes were amplified by polymerase chain reaction, and bidirectional Sanger sequencing was performed to find the pathogenic change responsible for causing the disease in the family.
RESULTS: A novel homozygous duplication c.9831dupC (p.Arg3278GlnfsX197) in the ZNF469 gene was identified, which was found to be co-segregating with the disease in the family.
CONCLUSIONS: This is the first report of a ZNF469 homozygous mutation causing a BCS phenotype in a consanguineous Pakistani family. Our data extend the mutation spectrum of ZNF469 variants implicated in BCS.
METHODS: The coding region and exon-intron splice junctions of PRDM5 and ZNF469 genes were amplified by polymerase chain reaction, and bidirectional Sanger sequencing was performed to find the pathogenic change responsible for causing the disease in the family.
RESULTS: A novel homozygous duplication c.9831dupC (p.Arg3278GlnfsX197) in the ZNF469 gene was identified, which was found to be co-segregating with the disease in the family.
CONCLUSIONS: This is the first report of a ZNF469 homozygous mutation causing a BCS phenotype in a consanguineous Pakistani family. Our data extend the mutation spectrum of ZNF469 variants implicated in BCS.