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Age of Onset of Huntington's Chorea Based on the CAG Repeat Size

Specialty:

Genetics
Neurology

Objective:

ICD-10:

Description:

Huntington's chorea is associated with an unstable CAG trinucleotide expansion in exon 1 of a gene located on 4p16.3. The age of onset and penetrance are affected by the number of the CAG repeats. The authors are from the University of British Columbia and the Karolinska Institute.

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