A novel locus for X-linked congenital cataract on Xq24

J.E. Craig, K.L. Friend, J. Gecz, K.M. Rattray, M. Troski, David Mackey, K.P. Burdon

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Purpose: This study aimed to map the genetic locus responsible for a novel X-linked congenital cataract phenotype.Methods: A large three-generation family with lamellar and nuclear cataract in five affected males was identified. Linkage analysis was conducted by genotyping X-chromosome specific microsatellite markers at an average spacing of 5 cM. Analysis was conducted using the LINKAGE package under an X-linked recessive model.Results: A linkage was detected on Xq24 with the maximum LOD score of 2.53 at theta = 0 for DXS1001. The minimal region was defined as 11.5 Mb between markers DXS8055 and DXS8009 through critical recombination events in multiple individuals.Conclusions: A gene causing this novel congenital cataract phenotype is located on the long arm of the X chromosome.
Original languageEnglish
Pages (from-to)721-726
JournalMolecular Vision
Publication statusPublished - 2008


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