News

Older Adults With Sensory Nerve Problems May Not Have CMT

Older adults suspected of having Charcot-Marie-Tooth (CMT) disease, particularly those over age 60 with sensory nerve issues like numb hands or feet, may actually have hereditary transthyretin (ATTRv) amyloidosis, a Japanese study suggests. According to its researchers, these patients should undergo genetic testing for mutations in the TTR gene, the cause…

HDAC6 Protein Likely Treatment Target in CMT2D, Study Suggests

Treatment with CKD504, an inhibitor of the protein HDAC6, enhanced the activity of spinal cord neurons genetically engineered to harbor mutations in the GARS1 gene, a study found. Mutations in GARS1, which disrupt nerve signals, cause Charcot-Marie-Tooth disease type 2D (CMT2D). Together with other benefits, these findings highlight CKD504 as…

Rare Case of CMT1A and Sodium Channel Myotonia in Chinese Man

A Chinese male presenting with decreased sensation, muscle weakness, and myotonia — the inability to relax his muscles — was diagnosed with two unlinked genetic disorders, Charcot-Marie-Tooth disease type 1A (CMT1A) and nondystrophic myotonia, according to a case study. The same genetic conditions were identified in the individual’s father, although…

NFL Biomarker May Be Unsuitable to Measure CMT1A Outcomes

Blood levels of the protein neurofilament light chain (NFL), a biomarker of several neurological disorders, may not be suitable to measure outcomes in patients with Charcot-Marie-Tooth disease type 1A (CMT1A), a recent study suggests. The study, “A longitudinal and cross-sectional study of plasma neurofilament light chain concentration in…

New CMT-causing Mutations Found in Korean Study

Several novel mutations in aminoacyl-tRNA synthetase (ARS) genes were linked with Charcot-Marie-Tooth disease (CMT) in a recent study out of Korea. “This study will be useful for performing exact molecular diagnoses and providing reference data for other population studies,” its researchers wrote. The study, “Variants of…

Armatus Bio to Lead Development of CMT1A Gene Therapy

Armatus Bio will now further develop a potential gene therapy for Charcot-Marie-Tooth disease type 1A (CMT1A), aiming to conduct clinical trials. According to a press release from the CMT Research Foundation, which has been funding this therapy’s preclinical development, Armatus is in the process of licensing the gene therapy,…