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Int J Clin Rheumtol. 2010 Feb 1;5(1):59-74.

Infection in systemic lupus erythematosus: friend or foe?

Author information

  • 1Division of Rheumatology, Department of Medicine State University of New York, College of Medicine 750 East Adams Street Syracuse, New York 13210, USA.

Abstract

Infectious agents have long been implicated in the pathogenesis of systemic lupus erythematosus. Common viruses, such as the Epstein-Barr virus, transfusion transmitted virus, parvovirus and cytomegalovirus, have an increased prevalence in patients with systemic lupus erythematosus. They may contribute to disease pathogenesis through triggering autoimmunity via structural or functional molecular mimicry, encoding proteins that induce cross-reactive immune responses to self antigens or modulate antigen processing, activation, or apoptosis of B and T cells, macrophages or dendritic cells. Alternatively, some infectious agents, such as malaria, Toxoplasma gondii and Helicobacter pylori, may have a protective effect. Vaccinations may play dual roles by protecting against friend and foe alike.

PMID:
20209114
[PubMed]
PMCID:
PMC2830655
Free PMC Article

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