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A novel locus for X-linked congenital cataract on Xq24
journal contribution
posted on 2023-05-16, 22:06 authored by Craig, JE, Friend, KL, Gecz, J, Rattray, KM, Troski, M, David MackeyDavid Mackey, Kathryn BurdonKathryn BurdonPurpose 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 è=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
History
Publication title
Molecular VisionVolume
14Pagination
721-726ISSN
1090-0535Department/School
Tasmanian School of MedicinePublisher
Molecular VisionPlace of publication
USARepository Status
- Restricted