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Cerebrospinal fluid tau, neurogranin, and neurofilament light in Alzheimer's disease.


ABSTRACT: Cerebrospinal fluid (CSF) tau (total tau, T-tau), neurofilament light (NFL), and neurogranin (Ng) are potential biomarkers for neurodegeneration in Alzheimer's disease (AD). It is unknown whether these biomarkers provide similar or complementary information in AD. We examined 93 patients with AD, 187 patients with mild cognitive impairment, and 109 controls. T-tau, Ng, and NFL were all predictors of AD diagnosis. Combinations improved the diagnostic accuracy (AUC 85.5% for T-tau, Ng, and NFL) compared to individual biomarkers (T-tau 80.8%; Ng 71.4%; NFL 77.7%). T-tau and Ng were highly correlated (? = 0.79, P < 0.001) and strongly associated with ?-amyloid (A?) pathology, and with longitudinal deterioration in cognition and brain structure, primarily in people with A? pathology. NFL on the other hand was not associated with A? pathology and was associated with cognitive decline and brain atrophy independent of A?. T-tau, Ng, and NFL provide partly independent information about neuronal injury and may be combined to improve the diagnostic accuracy for AD. T-tau and Ng reflect A?-dependent neurodegeneration, while NFL reflects neurodegeneration independently of A? pathology.

SUBMITTER: Mattsson N 

PROVIDER: S-EPMC5048367 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Cerebrospinal fluid tau, neurogranin, and neurofilament light in Alzheimer's disease.

Mattsson Niklas N   Insel Philip S PS   Palmqvist Sebastian S   Portelius Erik E   Zetterberg Henrik H   Weiner Michael M   Blennow Kaj K   Hansson Oskar O  

EMBO molecular medicine 20161004 10


Cerebrospinal fluid (CSF) tau (total tau, T-tau), neurofilament light (NFL), and neurogranin (Ng) are potential biomarkers for neurodegeneration in Alzheimer's disease (AD). It is unknown whether these biomarkers provide similar or complementary information in AD. We examined 93 patients with AD, 187 patients with mild cognitive impairment, and 109 controls. T-tau, Ng, and NFL were all predictors of AD diagnosis. Combinations improved the diagnostic accuracy (AUC 85.5% for T-tau, Ng, and NFL) co  ...[more]

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