Actinopathy

Evidence-based neurology checklist on actinopathy: Genetics This is caused by mutations in the ACTN2 gene The gene encodes alpha actinin2: this is a Z-line regulator The transmission is autosomal dominant ACTN2 mutations also cause cardiomyopathy with skeletal muscle involvement Onset features…

Genetics

  • This is caused by mutations in the ACTN2 gene
  • The gene encodes alpha actinin2: this is a Z-line regulator
  • The transmission is autosomal dominant
  • ACTN2 mutations also cause cardiomyopathy with skeletal muscle involvement

Onset features

Neurological features

Systemic features

Muscle pathology: features

References

  1. Savarese M, Palmio J, Poza JJ, et al. Actininopathy: a new muscular dystrophy caused by ACTN2 dominant mutations. Ann Neurol 2019; 85:899-906.
  2. Ranta-Aho J, Olive M, Vandroux M, et al. Mutation update for the ACTN2 gene. Hum Mutat 2022; 43:1745-1756.
  3. Lornage X, Romero NB, Grosgogeat CA, et al. ACTN2 mutations cause "Multiple structured Core Disease" (MsCD). Acta Neuropathol 2019; 137:501-519.

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