In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.

[Q]:  Identification of three novel mutations and a high frequency of the Arg778Leu mutation in Korean patients with Wilson disease .
[A]: Wilson disease


[Q]:  Using methylation - sensitive restriction enzymes , we characterized the methylation pattern on the 5 side of the CTG repeat in the DMPK gene of normal individuals and of patients affected with myotonic dystrophy , showing expansions of the repetitive sequence .
[A]: myotonic dystrophy


[Q]:  Previous family studies suggested that these individuals may be compound heterozygotes for the common mutant TSD gene and a rare ( allelic ) mutant gene .
[A]:
TSD