Lindsay E. Golden , Jia Xu , Vincent A. Magnotta , Peg C. Nopoulos , Jordan L. Schultz
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引用次数: 0
Abstract
Background
Huntington's Disease (HD) is characterized by brain metabolic dysfunction, but no studies to date have directly measured cerebral ATP levels in patients with HD.
Objective
To compare cerebral ATP between individuals with pre-motor-manifest HD (preHD) and healthy controls (HC).
Methods
Cerebral ATP was quantified using 31Phosphorous Magnetic Resonance Spectroscopy (31P-MRS) at 7T in nine preHD subjects and nine HC subjects. Analysis of Covariance models were constructed to compare mean ATP signal (corrected by whole brain volume) between groups after adjusting for age and BMI.
Results
PreHD participants exhibited significantly lower total ATP compared to HCs; furthermore, preHD subjects with higher clinical burden of disease had lower ATP levels. Amongst the preHD subjects, lower ATP levels were associated with worsening composite Unified Huntington's Disease Rating Scale scores.
Conclusions
Our findings highlight the potential of 31P-MRS to serve as a direct assay for metabolic dysfunction in HD.
期刊介绍:
Parkinsonism & Related Disorders publishes the results of basic and clinical research contributing to the understanding, diagnosis and treatment of all neurodegenerative syndromes in which Parkinsonism, Essential Tremor or related movement disorders may be a feature. Regular features will include: Review Articles, Point of View articles, Full-length Articles, Short Communications, Case Reports and Letter to the Editor.