Manual Assays
Connective tissue diseases (CTDs) are systemic autoimmune disorders with diverse clinical manifestations. The immune system produces autoantibodies against nuclear and cytoplasmic antigens. These markers play a key role in diagnosis and differentiation.
Our manual IFA tests for connective tissue diseases enable the qualitative and semi-quantitative detection of relevant autoantibodies in human serum. The portfolio includes assays based on HEp-2 cells, Crithidia luciliae substrates, and multiplex formats for ANA differentiation.
These IFA tests support the identification of antibodies such as dsDNA, SSA, SSB, Scl-70, Jo-1, and Sm/RNP. They deliver clear fluorescence patterns and reproducible results. Laboratories use them in routine diagnostics to support reliable clinical evaluation.