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Early changes in the hypothalamic region in prodromal Huntington disease revealed by MRI analysis

Soneson, Charlotte, Fontes, Magnus, Zhou, Yongxia, Denisov, Vladimir, Paulsen, Jane S., Kirik, Deniz, Petersén, Åsa and Rosser, Anne Elizabeth 2010. Early changes in the hypothalamic region in prodromal Huntington disease revealed by MRI analysis. Neurobiology of Disease 40 (3) , pp. 531-543. 10.1016/j.nbd.2010.07.013

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Abstract

Huntington disease (HD) is a fatal neurodegenerative disorder caused by an expanded CAG repeat. Its length can be used to estimate the time of clinical diagnosis, which is defined by overt motor symptoms. Non-motor symptoms begin before motor onset, and involve changes in hypothalamus-regulated functions such as sleep, emotion and metabolism. Therefore we hypothesized that hypothalamic changes occur already prior to the clinical diagnosis. We performed voxel-based morphometry and logistic regression analyses of cross-sectional MR images from 220 HD gene carriers and 75 controls in the Predict-HD study. We show that changes in the hypothalamic region are detectable before clinical diagnosis and that its grey matter contents alone are sufficient to distinguish HD gene carriers from control cases. In conclusion, our study shows, for the first time, that alterations in grey matter contents in the hypothalamic region occur at least a decade before clinical diagnosis in HD using MRI.

Item Type: Article
Date Type: Publication
Status: Published
Schools: MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Medicine
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: R Medicine > R Medicine (General)
Additional Information: Anne Rosser is a collaborator on this article.
Publisher: Elsevier
ISSN: 0969-9961
Last Modified: 04 Jun 2017 08:36
URI: http://orca.cf.ac.uk/id/eprint/80821

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