Evaluation of SORD mutations as a novel cause of Charcot-Marie-Tooth disease.

Abstract:

:Biallelic mutations in the sorbitol dehydrogenase (SORD) encoding gene were recently identified as a common genetic cause in autosomal-recessive CMT patients. Here, we investigated the clinical, genetic, and electrophysiological characteristics of three CMT patients with biallelic SORD mutations from a Chinese cohort. Two patients harbored c.757delG (p.A253Qfs*27) homozygous mutations, and one patient carried both c.757delG (p.A253Qfs*27) and c.625C>T (p.R209X) compound heterozygous mutations. Interestingly, the two patients homozygous for the c.757delG mutation exhibited positive responses for pinprick test. In conclusion, we confirmed SORD mutations as causative for CMT and further expanded the mutational and phenotypic spectrum of SORD-related CMT.

journal_name

Ann Clin Transl Neurol

authors

Yuan RY,Ye ZL,Zhang XR,Xu LQ,He J

doi

10.1002/acn3.51268

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

266-270

issue

1

issn

2328-9503

journal_volume

8

pub_type

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