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2005 | 46 | 3 | 337-339
Article title

Homozygote for mutation c. 1204 + 1G > A of the ARSA gene presents with a late-infantile form of metachromatic leukodystrophy and a rare MRI white matter lesion type

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EN
Abstracts
EN
The metachromatic leukodystrophy (MLD) ? causing mutation c.1204 + 1G > A damages an intron-exon splice site recognition sequence. This results in a complete loss of enzymatic activity of arylsulfatase A (ARSA) protein molecules. We have found a late-infantile type MLD-patient to be homozygous for this mutation, which was not reported earlier, but is consistent with previous suggestions. Interestingly, the cerebral magnetic resonance imaging (MRI) in this patient displayed linear or punctuate structures radiating in the demyelinated white matter, which resembled the patterns described in Pelizaeus-Merzbacher disease. It should be emphasised that whenever a cerebral MRI demonstrates the 'tigroid' or 'leopard-skin' demyelination pattern not only Pelizaeus-Merzbacher disease, but also metachromatic leukodystrophy diagnosis should be considered; this suggests the necessity of ARSA activity estimations in patients with such specific MRI patterns.
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Year
Volume
46
Issue
3
Pages
337-339
Physical description
Contributors
References
Document Type
REPORT
Publication order reference
A. Lugowska, Institute of Psychiatry and Neurology, Department of Genetics, Al. Sobieskiego 9, 02-957 Warszawa, Poland
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YADDA identifier
bwmeta1.element.element-from-psjc-5a032e02-88d3-30d9-9b80-51d8e2fe54ad
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