Abstract:
:We 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.
journal_name
Neurochem Intjournal_title
Neurochemistry internationalauthors
Lista S,Toschi N,Baldacci F,Zetterberg H,Blennow K,Kilimann I,Teipel SJ,Cavedo E,Dos Santos AM,Epelbaum S,Lamari F,Dubois B,Floris R,Garaci F,Hampel H,Alzheimer Precision Medicine Initiative (APMI).doi
10.1016/j.neuint.2017.05.010subject
Has Abstractpub_date
2017-09-01 00:00:00pages
355-360eissn
0197-0186issn
1872-9754pii
S0197-0186(16)30478-8journal_volume
108pub_type
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