Lupus anticoagulants (LAs) are a type of antibody produced by the immune system. LAs relate to an immune system disorder known as antiphospholipid syndrome. A blood test can detect their presence.

October 7, 2009 — A new study shows that lupus anticoagulant, a subtype of antiphospholipid antibodies, dramatically increases the risk for ischemic stroke and, to a lesser degree, myocardial ...

People with lupus who tested positive for three or more different lupus autoantibodies have a significantly lower risk of developing breast cancer, according to a new study. Overall, people with lupus ...