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  • Title: Confirmation of linkage of Duane's syndrome and refinement of the disease locus to an 8.8-cM interval on chromosome 2q31.
    Author: Evans JC, Frayling TM, Ellard S, Gutowski NJ.
    Journal: Hum Genet; 2000 Jun; 106(6):636-8. PubMed ID: 10942112.
    Abstract:
    Duane's syndrome is a congenital abnormality of eye movement, which may be inherited as an autosomal dominant trait but usually occurs sporadically. Genetic mapping in a Mexican family has recently identified a locus for Duane's syndrome within a 17.8-cM region of chromosome 2q31. The region was flanked by the microsatellite markers D2S2330 and D2S364. We performed linkage and haplotype analysis in a four-generation UK family with autosomal dominant transmission of Duane's syndrome. Linkage to 2q31 was confirmed with a maximum logarithm of differences (lod) score of 3.3 at theta = 0. The genetic interval was reduced to an 8.8-cM region between markers D2S326 and D2S364 that includes the candidate homeobox D gene cluster.
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