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Anti-citrullinated protein antibodies (ACPAs) are autoantibodies (antibodies to an individual's own proteins) that are directed against peptides and proteins that are citrullinated. They are present in the majority of patients with rheumatoid arthritis. Clinically, cyclic citrullinated peptides (CCP) are frequently used to detect these ...
The by far most common clinical test for ACPAs is the anti-cyclic citrullinated peptide (anti CCP) ELISA. In 2008 a serological point-of-care test for the early detection of RA combined the detection of RF and anti-MCV with a sensitivity of 72% and specificity of 99.7%. [80] [better source needed] [81]
Rheumatoid factor is part of the 2010 ACR/EULAR classification criteria for rheumatoid arthritis. RF positivity combines well with anti-CCP and/or 14-3-3η to inform diagnosis. [9] RF positivity at baseline has also been described as a good prognostic marker for future radiographic damage. [10]
Anti-MCV antibodies are a member of the ACPA family, a group of the so-called antibodies to citrullinated protein/peptide antigens. Rheumatoid arthritis is an autoimmune disorder. Detection of specific autoantibodies (antibodies directed against the body’s own tissue) such as rheumatoid factors and ACPAs may provide indication of the disease.
Palindromic rheumatism is a disease of unknown cause. It has been suggested that it is an abortive form of rheumatoid arthritis (RA), since anti-cyclic citrullinated peptide antibodies (anti-CCP) and antikeratin antibodies (AKA) are present in a high proportion of patients, as is the case in rheumatoid arthritis. [6]
CCP: cyclic citrullinated peptide: CCR: cardiocerebral resuscitation: CCU: coronary care unit critical care unit: CD: Celiac disease Crohn's disease chemical dependency cluster of differentiation controlled delivery: CDAD: Clostridioides difficile–associated diarrhoea: CDC: Centers for Disease Control and Prevention: CDH: congenital ...
Anti-mitochondrial antibodies (AMA) are autoantibodies, consisting of immunoglobulins formed against mitochondria, [1] primarily the mitochondria in cells of the liver.. The presence of AMA in the blood or serum of a person may be indicative of the presence of, or the potential to develop, the autoimmune disease primary biliary cholangitis (PBC; previously known as primary biliary cirrhosis).
21-hydroxylase antibodies Confirmed 0.93-1.4 per 10,000 [72] Autoimmune oophoritis: Ovaries: Anti-ovarian antibodies Probable Rare [73] Autoimmune orchitis: Testes: Anti-sperm antibodies Probable Rare [74] Autoimmune pancreatitis: Pancreas: IgG4, Anti-CA2 antibodies Confirmed 0.82-1.3 per 100,000 [75] Autoimmune polyendocrine syndrome type 1 (APS1)