Antibody-Dependent Cellular Cytotoxicity (ADCC): The Wrath of the Killer Cells MicroBiotics Admin. October 13, 2013 Medical Microbiology/Infections & Diseases/Immunology Sometimes, the immune cells meant to protect us could turn around and be the assassins, and Antibody-dependent cellular cytotoxicity (ADCC) is just one of the various ways this can happen.