Laboratory Procedures

Antimitochondrial?antibodies (AMA) are?autoantibodies?that are strongly associated with?primary biliary cholangitis (PBC), formerly called primary biliary cirrhosis. This test detects and measures ...

The presence of ANA may be a marker of an autoimmune process and is associated with several autoimmune disorders but is?most commonly seen?with the autoimmune disorder systemic lupus erythematosus ...

RNP-70, the 70?kDa?protein of the U1-snRNP complex, is one of the extractable nuclear antigens (ENA). It is useful for the diagnosis of mixed connective tissue disease (MCTD, Sharp syndrome) and re...

Anti-Scl-70 is an ELISA-based, automated, in-vitro test system for the quantitative determination of IgG antibodies against Scl-70 (DNA topoisomerase I) in human serum. This test is also useful in ...

Anti-SS-A is an ELISA-based, automated, in-vitro, test system for the quantitative determination of IgG antibodies against SS-A 60 and SS-A 52 in human serum. Autoantibodies against the two antigen...

Anti-SS-B is an ELISA-based test system for the quantitative measurement of IgG class autoantibodies against SS-B in human serum. Antibodies against SS-B are used for the differential diagnosis of ...

The detection of autoantibodies against Sm proteins is one of the ACR criteria for the diagnosis of systemic lupus erythematosus (SLE). Anti Smith antibodies serves as a prognostic marker for SLE.

Smooth muscle antibodies (SMA) are?autoantibodies,?proteins?produced by the body's?immune system?that recognize and attack its own actin, a protein found in smooth muscle and other tissues, especia...