The frequent association of chronic hepatitic C virus (HCV) infection and type II mixed cryoglobulinemia is considered to be one of the possible signs of interaction between the virus and the immune system. This could also be the case for the appearance of anti-GOR antibodies in serum, as they react with both viral and host antigens. We studied a group of patients with chronic hepatitis C infection and a group with type II mixed cryoglobulinemia associated with HCV infection to ascertain if anti-GOR or other non-organ specific autoantibodies were present in the serum. We found no significant difference between the two groups in presence, prevalence or titer of anti-GOR or other autoantibodies. Moreover, the expression of anti-GOR does not seem to influence the severity of liver damage. Our data support the hypothesis that anti-GOR antibodies are a simple expression of molecular mimicry between viral and human epitopes.
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