Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0086543 (cataract)
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Oculofaciocardiodental syndrome (OFCD) is an X-linked dominant disorder associated with male lethality, presenting with congenital cataract, dysmorphic face, dental abnormalities and septal heart defects. Mutations in BCOR (encoding BCL-6-interacting corepressor) cause OFCD. Here, we report on a Korean family with common features of OFCD including bilateral 2nd-3rd toe syndactyly and septal heart defects in three affected females (mother and two daughters). Through the mutation screening and copy number analysis using genomic microarray, we identified a novel heterozygous mutation, c.888delG, in the BCOR gene and two interstitial microduplications at Xp22.2-22.13 and Xp21.3 in all the three affected females. The BCOR mutation may lead to a premature stop codon (p.N297IfsX80). The duplication at Xp22.2-22.13 involved the NHS gene causative for Nance-Horan syndrome, which is an X-linked disorder showing similar clinical features with OFCD in affected males, and in carrier females with milder presentation. Considering the presence of bilateral 2nd-3rd toe syndactyly and septal heart defects, which is unique to OFCD, the mutation in BCOR is likely to be the major determinant for the phenotypes in this family.
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PMID:A family of oculofaciocardiodental syndrome (OFCD) with a novel BCOR mutation and genomic rearrangements involving NHS. 2230 64