Evidence for genetically determined degeneration of proprioceptive tracts in Friedreich ataxia

Brice Marty, Gilles Naeije, Mathieu Bourguignon, Vincent Wens, Veikko Jousmäki, David R. Lynch, William Gaetz, Serge Goldman, Riitta Hari, Massimo Pandolfo, Xavier De Tiège; Neurology Jun 2019, 10.1212/WNL.0000000000007750; DOI: 10.1212/WNL.0000000000007750

This study provides electrophysiologic evidence demonstrating that proprioceptive impairment in FRDA is mostly genetically determined and scarcely progressive after symptom onset. It also positions CKC as a reliable, robust, specific marker of proprioceptive impairment in FRDA.

Evidence for genetically determined degeneration of proprioceptive tracts in Friedreich ataxia