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Rivera-Brugués, Nuria; Albrecht, Beate; Wieczorek, Dagmar; Schmidt, Heinrich; Keller, Thomas; Göhring, Ina; Ekici, Arif B.; Tzschach, Andreas; Garshasbi, Masoud; Franke, Kathlen; Klopp, Norman; Wichmann, Heinz-Erich; Meitinger, Thomas; Strom, Tim M.; Hempel, Maja (February 2011): Cohen syndrome diagnosis using whole genome arrays. In: Journal of medical genetics, Vol. 48, No. 2: pp. 136-140




Cohen syndrome is a rare autosomal recessive disorder with a complex phenotype including psychomotor retardation, microcephaly, obesity with slender extremities, joint laxity, progressive chorioretinal dystrophy/myopia, intermittent isolated neutropenia, a cheerful disposition, and characteristic facial features. The COH1 gene, which contains 62 exons, is so far the only gene known to be associated with Cohen syndrome. Point mutations, deletions and duplications have been described in this gene. Oligonucleotide arrays have reached a resolution which allows the detection of intragenic deletions and duplications, especially in large genes such as COH1.