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B cells and atherosclerosis in systemic lupus erythematosus
Authors:Vasiliki Koulouri  Michael Koutsilieris
Affiliation:Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
Abstract:Introduction: Cardiovascular (CV) events, as a result of accelerated atherosclerosis, are an important cause of mortality in patients with Systemic lupus erythematosus (SLE). The etiology of SLE is multifactorial and still unclear; among other potential culprits, excessive B cell activation seems to play a crucial role. Accumulating evidence supports a contributory role of B cells in the pathogenesis of atherosclerosis as well.

Areas covered: This article focuses on the contribution of both B cells and autoantibodies in the pathogenesis of atherosclerosis in both general and lupus populations. Review of the published literature on experimental models has also been performed.

Expert opinion: Distinct B cell subsets seem to exhibit separate effects on the progression of atherosclerosis, with B2 B cells displaying a mainly atherogenic phenotype, while B1 B cells are mostly viewed as atheroprotective. Selective B2 inhibition by anti-B cell therapies seems a promising therapeutic strategy against atherosclerosis development in the setting of lupus.

Keywords:Autoantibodies  atherosclerosis  B cells  BAFF  systemic lupus erythematosus
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