Journal
JOURNAL OF NEUROIMMUNOLOGY
Volume 159, Issue 1-2, Pages 225-229Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneuroim.2004.10.012
Keywords
CTLA-4 gene polymorphism; HLA-DRB1*1501; multiple sclerosis; disease susceptibility; disease prognosis; Japanese
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We investigated the polymorphisms of exon 1 (+49A/G) and promoter (-318C/T and -651C/T) regions of the CTLA-4 gene in 133 Japanese patients with conventional/classical multiple sclerosis (MS) and 156 healthy controls. Patients with optico-spinal MS (OSMS) or atypical clinical attacks were excluded from the study. There was no significant difference in the distribution of polymorphisms between patients and controls. Furthermore, there were no associations between polymorphisms and clinical characteristics, such as age at onset, disease prognosis, and HLA profiles. Our results suggest that CTLA-4 gene polymorphisms are neither conclusively related to susceptibility nor to the clinical characteristics of MS, especially in Japanese patients with conventional/classical form and clinical features identical to those of their counterparts in Western countries. (C) 2004 Elsevier B.V. All rights reserved.
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