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Neurofilament light as a blood biomarker for neurodegeneration in Down syndrome

Strydom, A; Heslegrave, A; Startin, CM; Mok, KY; Hardy, J; Groet, J; Nizetic, D; ... LonDownS Consortium; + view all (2018) Neurofilament light as a blood biomarker for neurodegeneration in Down syndrome. Alzheimer's Research & Therapy , 10 (1) , Article 39. 10.1186/s13195-018-0367-x. Green open access

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Abstract

BACKGROUND: Down syndrome (DS) may be considered a genetic form of Alzheimer's disease (AD) due to universal development of AD neuropathology, but diagnosis and treatment trials are hampered by a lack of reliable blood biomarkers. A potential biomarker is neurofilament light (NF-L), due to its association with axonal damage in neurodegenerative conditions. METHODS: We measured blood NF-L concentrations in 100 adults with DS using Simoa NF-light® assays, and we examined relationships with age as well as cross-sectional and longitudinal dementia diagnosis. RESULTS: NF-L concentrations increased with age (Spearman's rho = 0.789, p < 0.001), with a steep increase after age 40, and they were predictive of dementia status (p = 0.022 adjusting for age, sex, and APOE4), but they showed no relationship with long-standing epilepsy or premorbid ability. Baseline NF-L concentrations were associated with longitudinal dementia status. CONCLUSIONS: NF-L is a biomarker for neurodegeneration in DS with potential for use in future clinical trials to prevent or delay dementia.

Type: Article
Title: Neurofilament light as a blood biomarker for neurodegeneration in Down syndrome
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1186/s13195-018-0367-x
Publisher version: https://alzres.biomedcentral.com/articles/10.1186/...
Language: English
Additional information: © The Author(s). 2018 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Keywords: Alzheimer’s disease, Biomarker, Dementia, Down syndrome, Neurofilament light
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Department of Neuromuscular Diseases
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Neurodegenerative Diseases
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > UK Dementia Research Institute
URI: https://discovery.ucl.ac.uk/id/eprint/10047031
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