Q:

How does lupus anticoagulant interact with proteins?

A:

Quick Answer

Lupus anticoagulant does not interact with proteins, as it is a specialized blood test, according to the University of Rochester Medical Center. The test is used to determine if the body is producing certain proteins that cause a blood-clotting disorder.

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Full Answer

Antibodies are proteins naturally found in the blood; they fight off bacterial and viral infections, states the University of Rochester Medical Center. Lupus proteins are two types of antibodies sometimes found in a person's blood. These types of proteins react to the fat molecules in blood cells. This interaction can cause problems related to blood vessel narrowing and blood clots, which can lead to serious and life-threatening conditions such as pulmonary embolism, heart attack or stroke. The presence of lupus proteins does not indicate a person has lupus, and people with lupus do not necessarily have lupus proteins.

There are a variety of reasons a lupus anticoagulant blood test might be performed, explains the University of Rochester Medical Center. Some common reasons a doctor might order this test include multiple miscarriages, unexplained blood clots and blood that does not clot properly. Report infections or the presence of cancer to the attending physician before the test as these conditions can alter test results. False positive results can occur in labs that are not familiar with this particular blood test.

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