PubMed · 11183923
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P Barker, R de Boer. 2000. Neuro MR imaging: a window into structure and function.. https://pubmed.ncbi.nlm.nih.gov/11183923/
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The lack of phenotype/genotype association in X-linked adrenoleukodystrophy (X-ALD) has prompted the search for disease modifying factors. We previously demonstrated increased serum antibody responses against myelin oligodendrocyte glycoprotein (MOG) in various clinical phenotypes of X-ALD allowing speculations that myelin specific humoral immune responses might be involved in phenotype generation of X-ALD. In the present study, we investigated the possible association of (1) a naturally occurring variable number tandem repeat (vntr) polymorphism (C allele) in the 3' flanking region of the interleukin-6 gene (IL-6), previously demonstrated to modify the course of Alzheimer's disease, systemic lupus erythematodes and Multiple Sclerosis (MS), (2) a tetranucleotide repeat polymorphism (TAAA)(n) in the 3' flanking region of the MOG gene and (3) HLA class II alleles with adult clinical phenotypes and serum antibody responses to MOG in 70 adult X-ALD patients. HLA class II alleles, (TAAA)(n) MOG gene polymorphisms, and IL-6 C allele were not associated with clinical phenotypes. Anti-MOG antibodies were detectable in 17/54 X-ALD patients (31.5%). Anti-MOG antibodies were associated with the 226 bp (TAAA)(n) MOG gene polymorphism but not with distinct clinical phenotypes.
The case is described of a 20-year-old man with adrenoleukodystrophy who showed right spastic hemiparesis and gait disturbance. Brain magnetic resonance imaging disclosed predominant involvement of the left corticospinal pathway. The clinical symptoms improved after bone marrow transplantation. Transcranial magnetic stimulation disclosed significant improvement in various parameters of central motor conduction.
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