ArticleMovement disorders : official journal of the Movement Disorder Society2025
Diffusion along Perivascular Spaces as a Marker for Glymphatic System Impairment in Huntington's Disease.
Article in Movement disorders : official journal of the Movement Disorder Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Glymphatic System Dysfunction and its Associated Factors in Wilson's Disease: A DTI-ALPS Study.Brain and behavior · 2026Article
- Functional and Structural Evidence of Neurofluid Circuit Aberrations in Huntington Disease.Annals of clinical and translational neurology · 2026Article
- Glymphatic Dysfunction, Brain Damage, and Clinical Disability in Spinocerebellar Ataxia Type 3.Movement disorders : official journal of the Movement Disorder Society · 2026Article
- Gray matter atrophy mediated the association between glymphatic function and cognition in Alzheimer's disease: a multicenter DTI-ALPS study.BMC medical imaging · 2026Article
- Glymphatic dysfunction and neuroinflammation in FXTAS: evidence from DTI-ALPS and gene expression analysis.Frontiers in molecular neuroscience · 2026Article
- Article
- Glymphatic flow reduced in Huntington disease.Nature reviews. Neurology · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
backgroundThe aim was to investigate if glymphatic function is impaired in patients with Huntington's disease (HD) and its clinical relevance.
methodsForty-nine subjects carrying mutant Huntingtin (mHTT), comprising 35 manifest (mHD) and 14 pre-manifest (PreHD), and 35 healthy controls (HC) were recruited in this study. The diffusion along perivascular spaces (ALPS) index and the percentage of perivascular space in the basal ganglia (pPVS_BG) were obtained in different groups. The discrimination effects of ALPS index were detected using receiver operating characteristic (ROC) analysis, and the correlations of ALPS index with clinical features of HD were further analyzed.
resultsALPS index was decreased in mHTT carriers compared to HCs, and it was lower in mHD compared to PreHD patients. ROC analysis showed that the ALPS index could discriminate mHTT from HC (AUC [area under the curve] = 0.903), mHD from PreHD (AUC = 0.886), and PreHD from controls (AUC = 0.755). Lower ALPS index correlated with greater disease burden, severity of the disease, lager pPVS_BG, and lower brain volume and thickness of cortices. Regression analysis showed that ALPS index could predict the performance of motor and cognitive functions. Mediation analysis revealed that ALPS partially mediated the effects of CAG repeat and age on the cognitive decline in HD.
conclusionsThis study demonstrated that the impairment of the glymphatic system, especially in the paraventricular white matter and BG, was correlated with the clinical manifestations, disease burden, and brain structural changes in mHTT carriers. © 2025 The Author(s). Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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