CD6 is a target for cancer immunotherapy Jeffrey H. Ruth, … , Feng Lin, David A Fox JCI Insight. 2021. https://doi.org/10.1172/jci.insight.145662. Research In-Press Preview Immunology Graphical abstract Find the latest version: https://jci.me/145662/pdf CD6 is a Target for Cancer Immunotherapy Jeffrey H. Ruth1*, Mikel Gurrea-Rubio1*, Kalana S. Athukorala1, Stephanie M. Rasmussen1, Daniel P. Weber1, Peggy Randon1, Rosemary J. Gedert1, Matthew E. Lind 1, M. Asif Amin1, Phillip L. Campbell1, Pei-Suen Tsou1, Yang Mao-Draayer2, Qi Wu2, Thomas M. Lanigan1, Venkateshwar G. Keshamouni3, Nora G. Singer4,5, Feng Lin6, David A. Fox1 1Division of Rheumatology, 2Department of Neurology and 3Division of Pulmonary & Critical Medicine, University of Michigan, Ann Arbor, MI. 4Case Western Reserve University, 5Division of Rheumatology, MetroHealth Medical Center, Cleveland, OH; 6Department of Immunity and Inflammation, Lerner Research institute, Cleveland Clinic, Cleveland, OH *these authors contributed equally to this study Correspondence to: Jeffrey H. Ruth, PhD University of Michigan Medical School Department of Medicine, Division of Rheumatology Email:
[email protected] and David A. Fox, MD University of Michigan Medical School Department of Medicine, Division of Rheumatology Email:
[email protected] Conflicts of interest: none Keywords: CD6, CD318, immune checkpoint, cancer Running title: Inhibition of lymphocyte CD6 reduces cancer progression Abstract Limitations of checkpoint inhibitor cancer immunotherapy include induction of autoimmune syndromes and resistance of many cancers. Since CD318, a novel CD6 ligand, is associated with aggressiveness and metastatic potential of human cancers, we tested the effect of an anti-CD6 monoclonal antibody, UMCD6, on killing of cancer cells by human lymphocytes.