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GENATLAS PHENOTYPE
last update : 24-01-2009
Symbol TMDT
Location 2q31
Name tibial muscular dystrophy, onset in the early 40 years
Other name(s) UDD myopathy
Corresponding gene TTN
Main clinical features
  • late adult-onset, distal myopathy with onset in the anterior compartment of the legs rather than in the hands, with cardiomyopathy
  • muscle biopsies showed nonspecific dystrophic changes in clinically affected muscles and severe adipose replacement in the anterior tibial muscles
  • Genetic determination autosomal dominant
    Function/system disorder neuromuscular
    Type disease
    Gene product
    Name titin
    Remark(s)