Nerve Damage as a Prognostic Marker for Rare Autoimmune Disease

Researchers have identified a new prognostic biomarker for Guillain-Barré syndrome (GBS), a rare autoimmune disorder that attacks the nerves and can eventually paralyze the entire body. The biomarker, neurofilament light chain, or NfL, signals the presence of axonal damage. As published in the Journal of Neurology, Neurosurgery, and Psychiatry, high circulating levels of NfL in GBS…