• Simone Lista, Nicola Toschi, Filippo Baldacci, Henrik Zetterberg, Kaj Blennow, Ingo Kilimann, Stefan J Teipel, Enrica Cavedo, Dos SantosAntonio MeloAMSorbonne Universités, Université Pierre et Marie Curie ... more (UPMC) Paris 06, Inserm, CNRS, Institut du Cerveau et de la Moelle Épinière (ICM), Département de Neurologie, Institut de la Mémoire et de la Maladie d'Alzheimer (IM2A), Hôpita, Stéphane Epelbaum, Foudil Lamari, Bruno Dubois, Roberto Floris, Francesco Garaci, Harald Hampel, and Alzheimer Precision Medicine Initiative (APMI). less
• AXA Research Fund & UPMC Chair, Sorbonne Universités, Université Pierre et Marie Curie (UPMC) Paris 06, Inserm, CNRS, Institut du Cerveau et de la Moelle Épinière (ICM), Département de Neurologie, Inst... more itut de la Mémoire et de la Maladie d'Alzheimer (IM2A), Hôpital Pitié-Salpêtrière, Boulevard de l'hôpital, F-75013, Paris, France. Electronic address: slista@libero.it. less
• Neurochem. Int. 2017 Sep 1; 108: 355-360.

AbstractWe assessed the diagnostic accuracy of cerebrospinal fluid (CSF) neurofilament light chain (NFL) protein in the classification of patients with Alzheimer's disease (AD) and cognitively healthy control individuals (HCs) and patients with frontotemporal dementia (FTD) as comparisons. Particularly, we tested the performance of CSF NFL concentration in differentiating patient groups stratified by fluid biomarker profiles, independently of the severity of cognitive impairment (mild cognitive impairment (MCI) and AD dementia individuals), using a biomarker-guided descriptive classification system for AD. CSF NFL concentrations were examined in a multicenter cross-sectional study of 108 participants stratified in AD pathophysiology-negative (both CSF tau and the 42-amino acid-long amyloid-beta (Aβ) peptide (Aβ1-42)) (n = 15), tau pathology-positive only (n = 15), Aβ pathology-positive only (n = 13), AD pathophysiology-positive (n = 33), FTD (n = 9) patients, and HCs (n = 23), according to the biomarker-based classification system. The performance of CSF NFL in discriminating AD pathophysiology-positive patients from HCs is fair, whereas the ability in differentiating tau-positive patients from HCs is poor. The classificatory performance in distinguishing AD pathophysiology-positive patients from FTD is unsatisfactory.Copyright © 2017 Elsevier Ltd. All rights reserved.

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