Cell Based Neutralizing Antibody Assay

**Semantic type:** Laboratory Procedure

**Definition:** An immunoassay in which an antigen of interest and neutralizing antibodies that are specific to the antigen are added to cells in culture that express proteins that are targets of the antigen. Antigen function is then measured to determine the neutralizing effects of the antibodies.

**Synonyms:** - CELL BASED NEUTRALIZING ANTIBODY ASSAY