Article
A long PCR-based molecular protocol for detecting normal and expanded ZNF9 alleles in myotonic dystrophy type 2.
Diagnostic molecular pathology : the American journal of surgical pathology, part B - 1 Sept 2004
Bonifazi Emanuela, Vallo Laura, Giardina Emiliano, Botta Annalisa, Novelli Giuseppe
Abstract excerpt
Myotonic dystrophy type 2 (DM2) lacks the expansion on chromosome 19q13 present in DM1 and is characterized by a mutation on 3q21. It has been shown that the DM2 mutation is a huge [CCTG]n repeat expansion in intron 1 of the zinc finger protein 9 (ZNF9) gene. The longest normal allele observed has a approximately 30 CCTG repeat, whereas the range of expansion is extremely variable, starting from 75 up to 11,000...
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