cancers Article ADCC-Inducing Antibody Trastuzumab and Selection of KIR-HLA Ligand Mismatched Donors Enhance the NK Cell Anti-Breast Cancer Response Femke A. I. Ehlers 1,2,3 , Nicky A. Beelen 1,2,3, Michel van Gelder 2,3, Tom M. J. Evers 1,3,4, Marjolein L. Smidt 3,5, Loes F. S. Kooreman 3,6 , Gerard M. J. Bos 2,3 and Lotte Wieten 1,3,* 1 Department of Transplantation Immunology, Tissue Typing Laboratory, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands;
[email protected] (F.A.I.E.);
[email protected] (N.A.B.);
[email protected] (T.M.J.E.) 2 Department of Internal Medicine, Division of Hematology, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands;
[email protected] (M.v.G.);
[email protected] (G.M.J.B.) 3 GROW—School for Oncology and Developmental Biology, Maastricht University, 6229 GT Maastricht, The Netherlands;
[email protected] (M.L.S.);
[email protected] (L.F.S.K.) 4 Medical Systems Biophysics and Bioengineering, Leiden Academic Centre for Drug Research, Faculty of Science, Leiden University, 2333 CC Leiden, The Netherlands 5 Department of Surgery, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands 6 Department of Pathology, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands * Correspondence:
[email protected] Citation: Ehlers, F.A.I.; Beelen, N.A.; Simple Summary: Natural killer (NK) cells are potent killers of tumor cells. Many tumors, includ- van Gelder, M.; Evers, T.M.J.; Smidt, ing breast cancers, develop mechanisms to suppress anti-tumor immune responses, requiring the M.L.; Kooreman, L.F.S.; Bos, G.M.J.; development of strategies to overcome suppression.