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

In English

Författare

Summary, in English

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.

Publiceringsår

2010

Språk

Engelska

Sidor

531-543

Publikation/Tidskrift/Serie

Neurobiology of Disease

Volym

40

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Neurosciences

Status

Published

Forskningsgrupp

  • Brain Repair and Imaging in Neural Systems (BRAINS)
  • Translational Neuroendocrinology

ISBN/ISSN/Övrigt

  • ISSN: 0969-9961