Abstract
Oxidized low-density lipoprotein (oxLDL) promotes atherosclerosis through a complex interaction of inflammatory and immunologic factors that lead to macrophage lipid uptake and foam cell formation. OxLDL interacts with β2-glycoprotein I (β2GPI) forming oxLDL/β2GPI complexes. These complexes may be formed in the arterial intima during atherogenesis and released into the circulation. Autoantibodies against oxLDL/β2GPI complexes have been demonstrated in patients with systemic lupus erythematosus and/or antiphospholipid syndrome, and shown to be significantly associated with arterial thrombosis. The observation that monoclonal autoantibodies against oxLDL/β2GPI complexes significantly increased the oxLDL uptake by macrophages strongly suggests that such IgG autoantibodies are pro-atherogenic. In this article, we review the recent progress in our understanding of LDL oxidation, oxLDL/β2GPI complex formation, and immune regulation of atherogenesis.
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Lopez, L.R., Kobayashi, K., Matsunami, Y. et al. Immunogenic Oxidized Low-density Lipoprotein/β2-glycoprotein I Complexes in the Diagnostic Management of Atherosclerosis. Clinic Rev Allerg Immunol 37, 12–19 (2009). https://doi.org/10.1007/s12016-008-8096-8
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DOI: https://doi.org/10.1007/s12016-008-8096-8