In a 2009 article by Dr Cheng Liu, founder and CEO of Eureka Therapeutics in California, and Andreia Lee in Trends in Bio/Pharmaceutical Industry on Antibody Therapeutics, it is stated that ADCC (Antibody Dependent Cell-mediated Cytotoxicity) enhancement is a key strategy for improving therapeutic antibody drug efficacy against cell-surface targets in cancer and chronic inflammation. It takes advantage of patients’ innate immune cells to kill target cells. The functions are primarily triggered through direct interaction of the Fc domain of human immunoglobulin (in most cases IgG1) with the corresponding receptors. Therapeutic antibodies with enhanced ADCC are anticipated to have a clinical advantage owing to increased specific lysis of target cells, such as cancer cells, mediated by Fc receptors present on natural killer cells, macrophages, and other immune cell types.
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