Charcot Marie Tooth disease type 4 (CMT4): genetic subtypes

Evidence-based neurology checklist on charcot marie tooth disease type 4 (cmt4): genetic subtypes: CMT4A This is caused by mutations in the GDAP1 gene on chromosome 8q It is the most frequent form of CMT4 CMT4B1 CMT4B2 CMT4B3 CMT4C CMT4D CMT4E CMT4F CMT4G CMT4H CMT4I CMT4J SCO2 mutation Acronyms

CMT4A

  • This is caused by mutations in the GDAP1 gene on chromosome 8q
  • It is the most frequent form of CMT4

CMT4B1

CMT4B2

CMT4B3

CMT4C

CMT4D

CMT4E

CMT4F

CMT4G

CMT4H

CMT4I

CMT4J

SCO2 mutation

Acronyms

References

  1. Claramunt R, Pedrola L, Sevilla T, et al. Genetics of Charcot-Marie-Tooth disease type 4A: mutations, inheritance, phenotypic variability, and founder effect. J Med Genet 2005; 42:358-365.
  2. Reilly MM, Shy ME. Diagnosis and new treatments in genetic neuropathies. JNNP 2009; 80:1304–1314.
  3. Sevilla T, Cuesta A, Chumillas MJ, et al. Clinical, electrophysiological and morphological findings of Charcot-Marie-Tooth neuropathy with vocal cord palsy and mutations in the GDAP1 gene. Brain 2003; 126:2023-2033.
  4. Sevilla T, Jaijo T, Nauffal D, et al. Vocal cord paresis and diaphragmatic dysfunction were effete and frequent symptoms of GDAP1-associated neuropathy. Brain 2008; 131:3051-3061. 
  5. Martin AM, Maradei SJ, Velasco HM. Charcot Marie Tooth disease (CMT4A) due to GDAP1 mutation: report of a Colombian family. Colomb Med (Cali) 2015; 46:194-198.
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