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Anti-actin antibodies (AAA) [1] are found at increased frequency in certain autoimmune diseases and may be of some diagnostic value. In coeliac disease , anti- actin antibody levels correlate with the level of intestinal damage.
Photomicrograph of a histological section of human skin prepared for direct immunofluorescence using an anti-IgG antibody. The skin is from a patient with systemic lupus erythematosus and shows IgG deposit at two different places: The first is a band-like deposit along the epidermal basement membrane ("lupus band test" is positive).
Type 1 autoimmune hepatitis. Positive antibodies include: [19] [20] Antinuclear antibody (ANA) Anti-smooth muscle antibody (ASMA) - 65% of people; Anti-actin antibodies; Anti-mitochondrial antibodies - rare except for overlap syndromes with primary biliary cholangitis; Anti-soluble liver antigen/liver pancreas antibody antigen - 20% of people
The water-accessible surface area of an IgG antibody. Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation. [1] IgG molecules are created and released by plasma B cells. Each IgG antibody has two paratopes.
When DAT is performed, the typical presentations of AIHA are as follows. Warm-type AIHA shows a positive reaction with antisera to IgG antibodies with or without complement activation. Cases may also arise with complement alone or with IgA, IgM or a combination of these three antibody classes and complement. Cold-type AIHA usually reacts with ...
Since these antibodies sometimes destroy red blood cells they can cause anemia; this test can help clarify the condition. The indirect Coombs test detects antibodies that are floating freely in the blood. [1] These antibodies could act against certain red blood cells; the test can be carried out to diagnose reactions to a blood transfusion. [1]
Each autoantibody result should be considered individually and as part of the group. Some disorders, such as systemic lupus erythematosus (SLE) may be more likely if several autoantibodies are present, while others, such as mixed connective tissue disease (MCTD) may be more likely if a single autoantibody, ribonucleic protein (RNP), is the only ...
Autoimmune neutropenia (AIN) is a form of neutropenia which is most common in infants and young children [1] where the body identifies the neutrophils as enemies and makes antibodies to destroy them. Primary autoimmune neutropenia, another name for autoimmune neutropenia, is an autoimmune disease first reported in 1975 that primarily occurs in ...