Cited by 1,334Hereditary Neurological DisordersMultiple Sclerosis Research StudiesPeripheral Neuropathies and Disorders

Neurofilament light chain as a biomarker in neurological disorders

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Gaetani, Lorenzo, Blennow, Kaj, Calabresi, Paolo, Di Filippo, Massimiliano, Parnetti, Lucilla, Zetterberg, Henrik·2019·Journal of Neurology, Neurosurgery & Psychiatry

Abstract

In the management of neurological diseases, the identification and quantification of axonal damage could allow for the improvement of diagnostic accuracy and prognostic assessment. Neurofilament light chain (NfL) is a neuronal cytoplasmic protein highly expressed in large calibre myelinated axons. Its levels increase in cerebrospinal fluid (CSF) and blood proportionally to the degree of axonal damage in a variety of neurological disorders, including inflammatory, neurodegenerative, traumatic and cerebrovascular diseases. New immunoassays able to detect biomarkers at ultralow levels have allowed for the measurement of NfL in blood, thus making it possible to easily and repeatedly measure NfL for monitoring diseases’ courses. Evidence that both CSF and blood NfL may serve as diagnostic, prognostic and monitoring biomarkers in neurological diseases is progressively increasing, and NfL is one of the most promising biomarkers to be used in clinical and research setting in the next future. Here we review the most important results on CSF and blood NfL and we discuss its potential applications and future directions.

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  1. References for this Review were identified by searches of PubMed between 1990 and January 31 st 2019, and references from relevant articles. The following search terms were used: "neurofilament light", "neurofilament light chain", "neurofilament light protein", "NfL"; "cerebrospinal fluid", "CSF", "serum", "plasma", "blood"; "demyelinating diseases", "multiple sclerosis", "MS", "clinically isolated syndrome", "CIS", "radiologically isolated syndrome", "RIS", "optic neuritis", "myelitis"; "amyotrophic lateral sclerosis", "ALS", "motor neuron diseases"; "frontotemporal dementia", "frontotemporal lobar degeneration", "FTD", "FTLD", "primary progressive aphasia", "PPA", "Alzheimer's disease", "AD", "mild cognitive impairment", "MCI", "dementia", "Parkinson's disease", "PD", "Parkinson's disease dementia", "PDD", "dementia with Lewy body", "DLB", "progressive supranuclear palsy", "PSP", "multiple system atrophy", "MSA", "corticobasal syndrome", "CBS", "Huntington's disease", "HD", "normal pressure hydrocephalus", "NPH", "HIV", "AIDS", "AIDS dementia complex", "ADC", "antiretroviral therapy", "ART", "Stroke", "transient ischemic attack", "hemorrhage", "subarachnoid hemorrhage", "SAH", "intracerebral hemorrhage", "cardiac arrest", "resuscitation", "autoimmune encephalitis", "paraneoplastic encephalitis". There were no language restrictions. The final reference list was generated based on relevance to the topics covered in this Review. Additional references can be found in the online supplementary file.

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Authors
Gaetani, L., Blennow, K., Calabresi, P., Di Filippo, M., Parnetti, L., & Zetterberg, H.
Affiliations
  • University of Perugia (IT)
  • Sahlgrenska University Hospital (SE)
Corresponding author
Gaetani, Lorenzo
Venue
Journal of Neurology, Neurosurgery & Psychiatry
Publisher
BMJ
Published
2019-04-09
Volume
90
Issue
8
Pages
870-881
ISSN
  • 0022-3050 (ISSN-L)
  • 1468-330X
OpenAlex
W2939789416
Cited by
1,334
References
63
Citations by year
2026: 207 · 2025: 250 · 2024: 247 · 2023: 222 · 2022: 168 · 2021: 130 · 2020: 88 · 2019: 20
FWCI
13.55
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurology Neurosurgery & Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Health Sciences › Medicine › Neurology › Peripheral Neuropathies and Disorders
Keywords
neurofilament light chain, axonal injury, cerebrospinal fluid biomarkers, blood biomarkers, neurodegenerative diseases, traumatic brain injury, cerebrovascular disease, disease surveillance, prognostic factors, diagnostic biomarkers
MeSH terms
Humans, Nervous System Diseases, Prognosis, Biomarkers, Neurofilament Proteins

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