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Nat Genet. 1994 Jun;7(2):201-4.

Cohen syndrome gene assigned to the long arm of chromosome 8 by linkage analysis.

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  • 1Department of Medical Genetics, University of Helsinki, Finland.


Cohen syndrome is an autosomal recessive disorder characterized by mental and motor retardation, short stature, microcephaly, several dysmorphic features, major ocular symptoms and granulocytopenia. Major research challenges are the confusing nosology and the pleiotropy of the gene. We report the mapping of a locus (CHS1) by linkage analysis in as few as four two-generation pedigrees with uniform clinical features. CHS1 was assigned to an interval of approximately 10 cM between D8S270 and D8S521. Our results provide a tool to a more accurate definition of Cohen syndrome(s) and a starting point for the positional cloning of CHS1.

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