Radiobinding assay
A radiobinding assay is a method of detecting and quantifying antibodies targeted toward a specific antigen. As such, it can be seen as the inverse of radioimmunoassay, which quantifies an antigen by use of corresponding antibodies.
Technique[edit]
The corresponding antigen is radiolabeled and mixed with the fluid that may contain the antibody, such as blood serum from a person. Presence of antibodies causes precipitation of antibody-antigen complexes that can be collected by centrifugation into pellets. The amount of antibody is proportional to the radioactivity of the pellet, as determined by gamma counting.[1]
Uses[edit]
It is used to detect most autoantibodies seen in latent autoimmune diabetes.[2]
References[edit]
- ^ Anti-dsDNA [I-125] Radiobinding Assay Kit At PerkinElmer Life Sciences, Inc. Retrieved Jan 2011
- ^ Knip, M.; Veijola, R.; Virtanen, S. M.; Hyoty, H.; Vaarala, O.; Akerblom, H. K. (2005). "Environmental Triggers and Determinants of Type 1 Diabetes". Diabetes. 54: S125–S136. doi:10.2337/diabetes.54.suppl_2.S125. PMID 16306330.
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