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[Role of hepatitis A and E viruses in the development of autoimmune diseases].

The mechanisms of development of autoimmune diseases may be associated with a complex of genetic, immune, hormonal, and infectious factors. Autoimmune diseases include a wide range of systemic and organ-specific diseases, including autoimmune hepatitis (AIH). It is currently assumed that the pathogenesis of AIH is due to compromised immune regulation in the presence of an exogenous triggering factor. Exogenous factors, such as viruses, may be triggers of AIH. There may be different ways of initiating an autoimmune response by viruses, which includes nonspecific T-lymphocyte activation and molecular mimicry. There is much evidence supporting the initiating role of hepatitis viruses in the development of AIH and other autoimmune diseases. The development of AIH symptoms during hepatitis A and E virus infections has been described elsewhere. The creation of animal models of viral hepatitis is required to confirm the hypothesis that the viruses trigger the development of AIH and other autoimmune manifestations.