Abstract
Despite the strength of the association of multiple sclerosis (MS) and human leukocyte antigen (HLA)-DR2, other genetic elements could have a role in the pathophysiology of MS. We investigated possible associations with polymorphic susceptibility genes located within the HLA complex, i.e., heat-shock protein (HSP)70-1, HSP70-2, and HSP70-hom in Japanese patients with MS. Furthermore, we analyzed the influence of HSP70 gene polymorphisms on the severity of the disease, clinical course, magnetic resonance imaging findings, and oligoclonal bands in the cerebrospinal fluid, and HLA in MS patients. The results of the present study indicated that there were no significant differences in the distribution of all HSP70 genotypes and allele frequencies between Japanese MS patients and controls. In MS patients, there were no associations between HSP70 gene polymorphisms and the clinical data. Moreover, there were no significant differences in HSP70 genotype or allele frequencies between MS patients positive for HLA-DRB1*1501 alleles and matched controls. Our data indicate that HSP70 gene polymorphisms are not relevant in the susceptibility to or the severity of Japanese MS patients.
Published Version
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