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Antibodies linked to cardiovascular disease increase in patients with active lupus
Date:2/24/2010

A study by researchers in Australia and the United Kingdom suggests that autoantibodies to fat binding proteins significantly increase in systemic lupus erythematosus (SLE) patients with active disease. This increase in anti-apolipoprotein (anti-Apo A-I), anti-high-density lipoprotein (anti-HDL), and anti-C-reactive protein (anti-CRP) may contribute to the development of atherosclerosis in SLE patients, placing them at risk for cardiovascular disease (CVD). Complete findings of this study are available in the March issue of Arthritis & Rheumatism, published by Wiley-Blackwell on behalf of the American College of Rheumatology.

Lupus is a chronic autoimmune disease where the immune system creates antibodies that attack an individuals' own cells, causing inflammation throughout the body. The inflammation leads to tissue and organ damage, affecting the heart, kidneys, lungs, brain, blood, skin and/or joints of those with SLE. According to a 2008 study for the National Arthritis Data Workgroup 322,000 Americans have a definite or probable SLE diagnosis. The Lupus Foundation of America's figures are much higher, with up to 1.5 million in the U.S. and close to 5 million worldwide reported having form (SLE, discoid, sub-acute cutaneous, drug-induced, or neonatal) of lupus.

In the current study serum levels of anti-Apo A-I, anti-HDL, and anti-CRP were taken from participants that included 39 SLE patients with high disease activity over the previous 2-year period; 42 SLE patients with low disease activity over the previous 2 years; 16 patients newly diagnosed with lupus nephritis (inflammation of the kidney caused by SLE); 25 patients with samples obtained at the time of a SLE flare and during inactivity of the disease; 24 SLE patients who had prior CVD events; and 34 healthy subjects in the control.

Researchers found that antibodies above the upper limit of normal (ULN) were higher in patients in the high disease activity gr
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Contact: Dawn Peters
medicalnews@wiley.com
781-388-8408
Wiley-Blackwell
Source:Eurekalert

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