Article
Homozygosity for CCTG mutation in myotonic dystrophy type 2.
Brain : a journal of neurology - 1 Aug 2004
Schoser Benedikt G H, Kress Wolfram, Walter Maggie C, Halliger-Keller Birgit, Lochmüller Hanns, Ricker Kenneth
Abstract excerpt
Myotonic dystrophy type 2 (DM2) is caused by a dominantly transmitted CCTG repeat expansion in intron 1 of the zinc finger protein 9 (ZNF9) gene on chromosome 3q. DM2 patients with two mutant alleles have not been reported so far. In one large consanguineous family from Afghanistan, we found three homozygotes for the DM2 mutation. The oldest patient was clinically more severely affected, compared with the two...
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