title: CD28-B7 bidirectional signaling: a two-way street to activation.
authors.forename: Eric C
authors.initials: EC
authors.lastname: Logue
authors.forename: William C
authors.initials: WC
authors.lastname: Sha
mesh_terms: D000818:Animals; D018122:B7-1 Antigen / Q000276:immunology*; D018106:CD28 Antigens / Q000276:immunology*; D003713:Dendritic Cells / Q000276:immunology; D006801:Humans; D015398:Signal Transduction / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D018122:B7-1 Antigen; D018106:CD28 Antigens