Adela Della Marina, Andreas Hentschel, Artur Czech, Ulrike Schara-Schmidt, Corinna Preusse, Andreas Laner, Angela Abicht, Tobias Ruck, Joachim Weis, Catherine Choueiri, Hanns Lochmüller, Heike Kölbel, Andreas Roos
BACKGROUND: NEFL encodes for the neurofilament light chain protein. Pathogenic variants in NEFL cause demyelinating, axonal and intermediate forms of Charcot-Marie-Tooth disease (CMT) which present with a varying degree of severity and somatic mutations have not been described yet. Currently, 34 different CMT-causing pathogenic variants in NEFL in 174 patients have been reported. Muscular involvement was also described in CMT2E patients mostly as a secondary effect. Also, there are a few descriptions of a primary muscle vulnerability upon pathogenic NEFL variants...
April 3, 2024: Journal of Neuromuscular Diseases