Assay Antibody

Assay Antibody is a generic term describing an immunoglobulin used as a reagent in laboratory procedures to detect, quantify, or localize a specific target analyte. These antibodies are essential components of diagnostic and research tools such as Enzyme-Linked Immunosorbent Assays (ELISA), Western blots, and immunohistochemistry (IHC) (Thermo Fisher Scientific, 2024). They function through high-affinity binding to specific epitopes on a target molecule, often coupled with a detection system like a fluorophore or enzyme to provide a measurable signal (NCBI, 2023). In a typical assay, a primary antibody binds the target, while a secondary antibody may be used to amplify the signal for better sensitivity. Because Assay Antibody refers to a functional category of laboratory tools rather than a specific biological protein or pathway, it is not considered a therapeutic target for drug development. Its primary role is in the measurement of biomarkers and the monitoring of therapeutic responses rather than as a mediator of disease or a site of pharmacological action. Consequently, it does not possess a therapeutic mechanism of action or associated interacting drugs.

Other names

Detection antibodyCapture antibodySecondary antibodyPrimary antibodyAnalytical antibodyImmunoassay antibody

Not applicable