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A human homologue of the Drosophila eyes absent gene underlies Branchio-Oto-Renal (BOR) syndrome and identifies a novel gene family

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Abdelhak, Sonia | Kalatzis, Vasiliki | Heilig, Roland | Compain, Sylvie | Samson, Delphine | Vincent, Christophe | Weil, Dominique | Cruaud, Corinne | Sahly, Iman | Leibovici, Michel | Bitner-Glindzicz, Maria | Francis, Mary | Lacombe, Didier | Vigneron, Jacqueline | Charachon, Robert | Boven, Katia | Bedbeder, Philippe | Regemorter, Nicole Van | Weissenbach, Jean | Petit, Christine

Edité par CCSD ; Nature Publishing Group -

International audience. A candidate gene for Branchio-Oto-Renal (BOR) syndrome was identified at chromosome 8q13.3 by positional cloning and shown to underlie the disease. This gene is a human homologue of the Drosophila eyes absent gene (eya), and was therefore called EYA1. A highly conserved 271-amino acid C-terminal region was also found in the products of two other human genes (EYA2 and EYA3), demonstrating the existence of a novel gene family. The expression pattern of the murine EYA1 orthologue, Eya1, suggests a role in the development of all components of the inner ear, from the emergence of the otic placode. In the developing kidney, the expression pattern is indicative of a role for Eya1 in the metanephric cells surrounding the ‘just-divided’ ureteric branches.

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