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J Clin Neuromuscul Dis. 2019 Sep;21(1):25-29. doi: 10.1097/CND.0000000000000244.

Novel MFN2 Missense Mutation Induces Hereditary Axonal Motor and Sensory Neuropathy in a Saudi Arabian Family.

Author information

1
Neurology Department, Neuroscience Center, KFSD, Dammam, Saudi Arabia.
2
Genetic Molecular Department, Pathology and Laboratory Center, KFSD, Dammam, Saudi Arabia.

Abstract

Hereditary axonal motor and sensory neuropathy or Charcot-Marie-Tooth type 2 (CMT2) is a common inherited peripheral neuropathy. Major symptomatologic signs vary from minimal to significant weakness and loss of sensation, feet usually affected more than hands. It may also cause visual acuity impairment, hearing loss, and skeletal deformity. CMT2 classification is based on the clinical, electrophysiological, and genetic inheritance pattern. Dominant CMT2 is classified from CMT2A to CMT2N and recessive CMT2 into CMT2B1 and CMT2B2. CMT2A is the most frequent subtype of CMT2 and caused by mutations in the mitofusin 2 (MFN2) gene. We hereby report a Saudi Arabian CMT2A patient with a variant c.58C>T of the MFN2 gene mutation.

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