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ENA (Extractable Nuclear Antigens) test is a diagnostic tool used to detect and identify a group of proteins that are often targeted by the immune system in autoimmune diseases. This test helps in the early diagnosis and monitoring of conditions such as lupus, Sjgren's syndrome, and rheumatoid arthritis. By analyzing the presence and quantity ...
23 cze 2023 · The extractable nuclear antigen test, known as an ENA test, is a blood test that checks for proteins in your blood, also known as antibodies. The ENA test is used to help diagnose certain autoimmune diseases.
9 lis 2021 · An extractable nuclear antigen (ENA) panel detects the presence of autoantibodies in the blood that react with proteins in the cell nucleus. These proteins are known as “extractable” because they can be removed from cell nuclei using saline and represent six main proteins (Ro, La, Sm, RNP, Scl-70 and Jo1).
3 kwi 2024 · An extractable nuclear antigen (ENA) panel is a blood test that identifies antibodies against proteins in your body’s cells. These antibodies mistakenly identify your own body’s cells as harmful, causing your immune system to destroy them.
ENA antibodies are useful for evaluating patients with symptoms of a connective tissue disease in whom the antinuclear antibodies test is positive. Specifically, the ENA panel includes tests for Sjogren’s Disease, Systemic Lupus Erythematosus (SLE), Mixed Connective Tissue Disease (MCTD) or Scleroderma. Test Includes:
Specimen will be tested for antibodies to 13 nuclear antigens and the results compared to pre-established cutoffs for systemic autoimmune disease.
Extractable Nuclear Antigen (ENA) panel. Screening for anti-ENA antibodies is used to investigate patients with connective tissue autoimmune symptoms and signs and in whom antinuclear antibodies (ANA) are positive.
