Molybdenum cofactor deficiency (MoCD): clinical features

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Molybdenum cofactor deficiency (MoCD): clinical features. MOCS1 gene (type A deficiency). Fully referenced neurology checklist.

Genetic mutations

  • MOCS1 gene (type A deficiency)
  • MOCS2 gene (type B deficiency)
  • MOCS3 gene
  • Gephyrin (GPHN)

Impaired molybdoenzyme activities

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Presentation types

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Neurological features

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Dysmorphic features

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Systemic features

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Neurological differential diagnosis

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Differential diagnosis of lens dislocation

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References

  1. Nagappa M, Bindu PS, Taly AB, Sinha S, Bharath RD. Child Neurology: Molybdenum cofactor deficiency. Neurology 2015; 85:e175-e178.
  2. Atwal PS, Scaglia F. Molybdenum cofactor deficiency. Mol Genet Metab 2016; 117:1-4. 
  3. Reiss J, Hahnewald R. Molybdenum cofactor deficiency: Mutations in GPHN, MOCS1, and MOCS2. Hum Mutat 2011; 32:10-18. 
  4. Vijayakumar K, Gunny R, Grunewald S, et al. Clinical neuroimaging features and outcome in molybdenum cofactor deficiency. Pediatr Neurol 2011; 45:246-252. 
  5. Mechler K, Mountford WK, Hoffmann GF, Ries M. Ultra-orphan diseases: a quantitative analysis of the natural history of molybdenum cofactor deficiency. Genet Med 2015; 17:965-970.
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