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  • Title: A novel compound heterozygous mutation in the BEST1 gene causes autosomal recessive Best vitelliform macular dystrophy.
    Author: Zhao L, Grob S, Corey R, Krupa M, Luo J, Du H, Lee C, Hughes G, Lee J, Quach J, Zhu J, Shaw PX, Kozak I, Zhang K.
    Journal: Eye (Lond); 2012 Jun; 26(6):866-71. PubMed ID: 22422030.
    Abstract:
    PURPOSE: To determine the genetic basis of early onset autosomal recessive Best vitelliform macular dystrophy (arBVMD) in a family with three affected children. DESIGN: Clinical and family-based genetic study. METHODS: Seven subjects making up a family with three children affected by Best vitelliform macular dystrophy were studied. Standard ophthalmic exam with dilated ophthalmoscopy and imaging were performed in each individual. The eleven exons of BEST1 were directly sequenced. RESULTS: All three affected children have the clinical characteristic features of Best vitelliform macular dystrophy: large macular vitelliform lesions, scattered vitelliform lesions along the arcades and in the peripheral retina, and an accumulation of serous retinal fluid. A novel compound heterozygous mutation in the BEST1 gene was found in the three affected individuals (L41P and I201T). The unaffected parents and children only harbor one heterozygous mutation. CONCLUSION: arBVMD can be caused by the compound heterozygous mutation L41P and I201T in the BEST1 gene.
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