Cytotoxicity is the quality of being toxic to cells. Examples of toxic agents are a chemical substance or an immune cell. Cytotoxicity can be measured by the MTT assay, Trypan blue assay, Sulforhodamine B assay, WST assay and clonogenic assay. Antibody-dependent cell-mediated cytotoxicity describes the cell-killing ability of certain lymphocytes, which requires the target cell being marked by an antibody. Lymphocyte-mediated cytotoxicity, on the other hand, does not have to...