" /> Branchiootic syndrome 1 - CISMeF





Preferred Label : Branchiootic syndrome 1;

Symbol : BOS1;

CISMeF acronym : BOS1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Bo syndrome 1; Branchiootic dysplasia;

Included titles and symbols : Anterior segment anomalies with or without cataract;

Description : Individuals with the BO syndrome are affected by the same branchial and otic anomalies as those seen in individuals with the branchiootorenal syndrome (see BOR1, 113650), but lack renal anomalies (Vincent et al., 1997). Although Melnick et al. (1978) maintained that the BO syndrome is distinct from the BOR syndrome because of the lack of renal anomalies and variable presence of deafness in the former, Cremers and Fikkers-van Noord (1980) suggested that the 2 syndromes represent a single entity. See 113600 for a discussion of branchial cleft anomalies, which may be related. - Genetic Heterogeneity of Branchiootic Syndrome See also BOS2 (120502), which maps to chromosome 1, and BOS3 (608389), which maps to 14q23 and is caused by mutations in the SIX1 gene (601205).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the EYA transcriptional coactivator and phosphatase 1 gene (EYA1, 601653.0003);

Prefixed ID : #602588;

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02/05/2025


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