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Immunoassay reagents intended to perform qualitative and/or quantitative analyses on a body fluid sample (e.g., serum) to determine circulating antibodies (e.g., anti-smooth muscle, liver/kidney microsomal) associated to autoimmune chronic hepatitis, a disease characterized by a chronic inflammatory reaction directed against the hepatocytes and, in, some cases, against the bile ducts. Autoimmune hepatitis is a syndrome that affects mainly women, and its histologic features are indistinguishable from chronic viral hepatitis, but there is an absence of viral serologic markers. Some of the antibodies present in this autoimmune disease are also found in patients with other autoimmune diseases and/or certain malignancies.
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