Hypermanganesaemia with dystonia 1 (HMNDYT1): clinical features

Evidence-based neurology checklist on hypermanganesaemia with dystonia 1 (hmndyt1): clinical features: Genetics This is caused by mutations in the SLC30A10 gene The gene product is a cell surface manganese efflux transporter The transmission is autosomal recessive The mutation leads to manganese…

Genetics

  • This is caused by mutations in the SLC30A10 gene
  • The gene product is a cell surface manganese efflux transporter
  • The transmission is autosomal recessive
  • The mutation leads to manganese accumulation in the liver and the brain

Neurological features

Systemic features

Treatment

Synonym

References

  1. Anagianni S, Tuschl K. Genetic disorders of manganese metabolism. Curr Neurol Neurosci Rep 2019; 19:33.
  2. Stamelou May, Tuschl K, Chong WK, et al. Dystonia with brain manganese accumulation resulting from SLC30A10 mutations: a new treatable disorder. Mov Disord 2012; 27:1317-1322.
  3. Padmanabha H, Krishnamurthy S, Sharath Kumar GG, Chikkanayakana I, Sethuraman A, Mathew T. Teaching NeuroImages: an imaging clue for treatable early childhood-onset dystonia: manganism. Neurology 2019; 92:e628-e629.
  4. Garg D, Yoganathan S, Shamim U, et al. Clinical profile and treatment outcomes of hypermanganesemia with dystonia 1 and 2 among 27 Indian children. Mov Disord Clin Pract 2022; 9:886-899.
  5. Avelino MA, Fusão EF, Pedroso JL, et al. Inherited manganism: the "cock-walk" gait and typical neuroimaging features. J Neurol Sci 2014; 341:150-152.
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