AntiCitrullinated Protein Antibodies (Acpas)
AntiCitrullinated Protein Antibodies (ACPA) are a type of autoantibodies that attack proteins found in the human body. These proteins are citrullinated, which means they are altered using an enzyme that adds a citrulline amino acid to them. ACPAs are used to diagnose and monitor an autoimmune disorder called Rheumatoid Arthritis, as well as other conditions such as other types of chronic arthritis and systemic lupus erythematosus. These autoantibodies, produced by the immune system, are an important biomarker in the diagnosis and treatment of autoimmune diseases. They can also be used to determine disease activity and help decide on the best course of treatment for a particular patient. As such, ACPAs are an important tool for medical practitioners in helping to manage autoimmune diseases.
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