Plasma periaxin is a biomarker of peripheral nerve demyelination. - Bellanti, Roberto; Keh, Ryan Y S; Keddie, Stephen; Chou, Michael K L; Misheva, Mariya; Smyth, Duncan; Baskozos, Georgios; Moodley, Kaminie; Hart, Melanie S; Davies, Alexander J (Brain: A Journal of Neurology, 2025)