title: Helping and harming have something in common.
authors.forename: Gudrun F
authors.initials: GF
authors.lastname: Debes
authors.forename: Steven L
authors.initials: SL
authors.lastname: Reiner
mesh_terms: D000818:Animals; D019070:Cell Lineage / Q000276:immunology*; D006801:Humans; D018448:Models, Immunological; D016176:T-Lymphocyte Subsets / Q000166:cytology / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000166:cytology / Q000276:immunology*