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  • Title: Oligodendrocyte staining by multiple sclerosis serum is nonspecific.
    Author: Traugott U, Snyder S, Raine CS.
    Journal: Ann Neurol; 1979 Jul; 6(1):13-20. PubMed ID: 389147.
    Abstract:
    The immunofluorescent staining properties of 65 serum samples from 54 patients with multiple sclerosis (MS), 63 samples from 55 patients with other neurological diseases (OND), and sera from 14 healthy normal individuals were examined on frozen sections of bovine and human brain. When tested on bovine brain sections, positive oligodendrocyte staining was present in 63% of MS sera, 43% of OND sera, and 29% of normal sera. The percentages were lower with human brain tissue. Astrocyte and myelin staining was common. F(ab')2 fragments purified from selected positive and negative MS and control sera gave no staining, though IgG fractions from the same sera prior to pepsin digestion gave positive staining. When tested against antihuman IgM and IgA conjugates, the same positive sera and their IgG-depleted globulin fractions gave minimal or no staining. These results indicate that oligodendrocyte staining is not specific for MS, is not due to specific antibody, and is probably the result of nonspecific binding to Fc receptors.
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