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Updated: Sep 7, 2025

Author Spotlight: Optimizing Antibody-Based Cancer Treatments via Antibody-Dependent, Cell-Mediated Cytotoxicity Assay
Published on: September 13, 2024
From CD16a Biology to Antibody-Dependent Cell-Mediated Cytotoxicity Improvement
Loïs Coënon1,2, Martin Villalba2,3
1Institute for Regenerative Medicine and Biotherapy (IRMB), Univ Montpellier, Institut national de la santé et de la recherche médicale (INSERM), Montpellier, France.
Abstract:
Antibody-dependent cell-mediated cytotoxicity (ADCC) is a potent cytotoxic mechanism that is mainly mediated in humans by natural killer (NK) cells. ADCC mediates the clinical benefit of several widely used cytolytic monoclonal antibodies (mAbs), and increasing its efficacy would improve cancer immunotherapy. CD16a is a receptor for the Fc portion of IgGs and is responsible to trigger NK cell-mediated ADCC. The knowledge of the mechanism of action of CD16a gave rise to several strategies to improve ADCC, by working on either the mAbs or the NK cell. In this review, we give an overview of CD16a biology and describe the latest strategies employed to improve antibody-dependent NK cell cytotoxicity.
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