title: Teach Your NK Cells Well.
abstract: Natural killer cells readily kill target cells, and education ensures tolerance to self. In this issue of Immunity, Boudreau et al. (2016) and Chen et al. (2016) report new mechanisms of human and mouse natural killer cell education by inhibitory and activating receptors.
authors.affiliation: Department of Pediatrics, Division of Rheumatology, Washington University School of Medicine, St. Louis, MO 63110, USA. Electronic address: cooper_m@kids.wustl.edu.
authors.forename: Megan A
authors.initials: MA
authors.lastname: Cooper
mesh_terms: D000818:Animals; D006801:Humans; D007108:Immune Tolerance; D007694:Killer Cells, Natural / Q000276:immunology*