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Title

A locus for isolated cataract on human Xp

AuthorsFrancis, Peter J.; Bhattacharya, Shom Shanker
Issue Date2002
PublisherBMJ Publishing Group
CitationJournal of Medical Genetics 39(2): 105-109 (2002)
Abstract[Purpose]: To genetically map the gene causing isolated X linked cataract in a large European pedigree. [Methods]: Using the patient registers at Birmingham Women’s Hospital, UK, we identified and examined 23 members of a four generation family with nuclear cataract. Four of six affected males also had complex congenital heart disease. Pedigree data were collated and leucocyte DNA extracted from venous blood. Linkage analysis by PCR based microsatellite marker genotyping was used to identify the disease locus and mutations within candidate genes screened by direct sequencing. [Results]: The disease locus was genetically refined to chromosome Xp22, within a 3 cM linkage interval flanked by markers DXS9902 and DXS999 (Zmax=3.64 at q=0 for marker DXS8036). [Conclusions]: This is the first report of a locus for isolated inherited cataract on the X chromosome. The disease interval lies within the Nance-Horan locus suggesting allelic heterogeneity. The apparent association with congenital cardiac anomalies suggests a possible new oculocardiac syndrome.
Description5 páginas, 3 figuras, 2 tablas.-- et al.
Publisher version (URL)http://dx.doi.org/10.1136/jmg.39.2.105
URIhttp://hdl.handle.net/10261/40314
DOI10.1136/jmg.39.2.105
ISSN0022-2593
E-ISSN1468-6244
Appears in Collections:(CABIMER) Artículos
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