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The relationship between lifestyle and serum neurofilament light protein in Huntington’s disease
journal contribution
posted on 2020-12-01, 22:39 authored by T Cruickshank, D Bartlett, Andrew GovusAndrew Govus, A Hannan, WP Teo, S Mason, J Lo, M Ziman© 2020 The Authors. Brain and Behavior published by Wiley Periodicals, Inc. Objectives: Serum neurofilament light protein (NfL) is a promising marker of disease onset and progression in Huntington's disease (HD). This study investigated associations between lifestyle factors and NfL levels in HD mutation carriers compared to healthy age- and sex-matched controls. Materials and Methods: Participants included 29 HD mutation carriers and 15 healthy controls. Associations between serum NfL concentrations and lifestyle factors, including cardiorespiratory fitness, social network size and diversity, physical activity, cognitive reserve, smoking status, and alcohol consumption, were examined using a stepwise multivariable linear regression model. Results: Higher NfL levels were associated with lower cognitive reserve, social network size and diversity and cardiorespiratory fitness in HD mutation carriers. Group × lifestyle factor effects were observed between lower serum NfL levels and a greater social network diversity. Conclusion: These findings highlight a relationship between lifestyle factors and NfL levels in HD mutations carriers; however, longitudinal studies are required to confirm if these observed relationships persist over time.
