51 Nicoletti Nicoletti T.F. T.F. Rossi Rossi S. S. Vita Vita M.G. M.G. Perna Perna A. A. Guerrera Guerrera G. G. Lino Lino F. F. Iacovelli Iacovelli C. C. Di Natale Di Natale D. D. Modoni Modoni A. A. Battistini Battistini L. L. Silvestri Silvestri G. G. Elevated serum Neurofilament Light chain (NfL) as a potential biomarker of neurological involvement in Myotonic Dystrophy type 1 (DM1) Elevated serum Neurofilament Light chain (NfL) as a potential biomarker of neurological involvement in Myotonic Dystrophy type 1 (DM1) J. Neurol. This evidence concerns the gene NEFL and myotonic dystrophy type 1.