Journal
CURRENT OPINION IN RHEUMATOLOGY
Volume 19, Issue 6, Pages 636-643Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/BOR.0b013e3282f0ad25
Keywords
autoimmune diseases; autoimmunity; cytomegalovirus; hepatitis B virus; herpesvirus 4; human; viruses
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Purpose of review To review the current literature and summarize the main principles found between viral infections and the subsequent production of autoantibodies. Recent findings We concentrate on recent findings involving three viral agents, one of which is Epstein-Barr virus, which has been associated with many autoimmune diseases and is classically considered to induce systemic lupus erythematosus. As we will discuss, this occurs through molecular mimicry between Epstein-Barr virus nuclear antigen 1 and lupus-specific antigens such as Ro, La or dsDNA, through induction of Toll-like receptor hypersensitivity by Epstein-Barr virus latent membrane protein 2A or by creating immortal B and T cells by loss of apoptosis. Hepatitis B virus was found to share amino acid sequences with different autoantigens. Tissue damage and the release of intracellular components is just another example of the autoantibody production caused by this 1 virus. Cytornegalovirus has often been controversially associated with several autoimmune diseases and, although is the least understood viral infection of the three, appears to be somewhat suspicious. Summary Understanding the infectious origin of autoimmune diseases is important as we aim to identify high-risk patients and disrupt this process with vaccines or other medications, ultimately delaying or even preventing the evolution of autoimmune diseases.
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