Clearing the complexity: immune complexes and their treatment in lupus nephritis
Catherine Toong1, Stephen Adelstein1, Tri Giang Phan2
1Department of Clinical Immunology, Royal Prince Alfred Hospital, Missenden Rd, Camperdown, NSW, Australia; 2Immunology Program, Garvan Institute of Medical Research and St. Vincent’s Clinical School, University of New South Wales, Darlinghurst, NSW, Australia
Abstract: Systemic lupus erythematosus (SLE) is a classic antibody-mediated systemic autoimmune disease characterised by the development of autoantibodies to ubiquitous self-antigens (such as antinuclear antibodies and antidouble-stranded DNA antibodies) and widespread deposition of immune complexes in affected tissues. Deposition of immune complexes in the kidney results in glomerular damage and occurs in all forms of lupus nephritis. The development of nephritis carries a poor prognosis and high risk of developing end-stage renal failure despite recent therapeutic advances. Here we review the role of DNA-anti-DNA immune complexes in the pathogenesis of lupus nephritis and possible new treatment strategies aimed at their control.
Keywords: immune complex, systemic lupus erythematosus, nephritis, therapy
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