Cerebral proton magnetic resonance spectroscopy in infantile Alexander disease

2003 | journal article. A publication with affiliation to the University of Göttingen.

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​Cerebral proton magnetic resonance spectroscopy in infantile Alexander disease​
Brockmann, K. ; Dechent, P. ; Meins, M.; Haupt, M.; Sperner, J.; Stephani, U. & Frahm, J.  et al.​ (2003) 
Journal of Neurology250(3) pp. 300​-306​.​ DOI: https://doi.org/10.1007/s00415-003-0995-2 

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Brockmann, Knut ; Dechent, Peter ; Meins, Moritz; Haupt, Mechthild; Sperner, Jürgen; Stephani, Ulrich; Frahm, Jens ; Hanefeld, Folker
Alexander disease (AD) is a rare genetic disorder of the central nervous system due to a dysfunction of astrocytes. The most common infantile form presents as a progressive leukodystrophy with macrocephalus. Recently, heterozygous de novo mutations in the gene encoding glial fibrillary acidic protein (GFAP) have been demonstrated to be associated with AD. We used localized proton magnetic resonance spectroscopy (MRS) to assess metabolic abnormalities in grey and white matter, basal ganglia, and cerebellum of 4 patients with infantile AD and GFAP mutations. Strongly elevated concentrations of myo-inositol in conjunction with normal or increased choline-containing compounds in all regions investigated point to astrocytosis and demyelination. Neuroaxonal degeneration, as reflected by a reduction of N-acetylaspartate, was most pronounced in cerebral and cerebellar white matter. The accumulation of lactate in affected white matter is in line with infiltrating macrophages. Metabolic alterations demonstrated by in vivo proton MRS are in excellent agreement with known neuropathological features of AD.
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Journal of Neurology 



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