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Indicadores
An antiphospholipid autoantibody that reacts with beta-2-glycoprotein 1, and a member of family of autoantibodies that cause antiphospholipid antibody syndrome and may be found in system lupus erythematosus.
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A type of antinuclear antibody that specifically targets double stranded DNA; while these antibodies are sometimes detectable in multiple different autoimmune disorders, their presence is generally considered highly specific for systemic lupus erythematosus.
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An autoantibody that recognizes histidyl-tRNA synthetase, cytoplasmic protein.
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An antinuclear antibody directed against a 47 kDa RNA-binding protein in the nucleus. They can be associated with Sjogren syndrome and system lupus erythematosus. Maternal anti-La antibody positivity can be associated with neonatal lupus.
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An antinuclear antibody directed against U1 snRNP, that is strongly associated with mixed connective tissue disease and commonly detected in lupus.
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An antinuclear antibody directed against 52 or 60 kDa RNA-binding proteins in the nucleus. They can be associated with multiple autoimmune disorders, primarily Sjogren syndrome and system lupus erythematosus. Maternal anti-Ro antibody positivity can be associated with neonatal lupus.
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An antinuclear antibody directed against small nuclear ribonucleoproteins (snRNPs), that is highly specific, but has poor sensitivity for systemic lupus erythematosus (SLE). Presence of anti-Sm antibodies are associated with central nervous system, kidney, lung and cardiac involvement in SLE, but are not indicative of disease activity.
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An autoantibody that reacts with cardiolipin. Different immunoglobulin subclasses and isotypes are associated with different diseases and conditions. Some anticardiolipin antibodies prolong phospholipid dependent clotting while others are associated with spontaneous abortion.
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An autoantibody that recognizes antigens found in the cytoplasm of neutrophils.
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An antibody produced by B-lymphocytes in response to hepatitis C virus infection.
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An anti-nuclear autoantibody that recognizes a 70 kDa fragment of DNA topoisomerase 1. It is associated with scleroderma.
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Produced by B-cells, human immunodeficiency virus (HIV) antibodies reacts with HIV antigens. HIV is a virus which affects white blood cells and eventually destroys the body's natural ability to fight infections.
