title: A third signal in B cell activation given by TRF.
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells; D000941:Antigens; D001402:B-Lymphocytes / Q000276:immunology*; D002478:Cells, Cultured; D003165:Complement System Proteins; D004247:DNA / Q000096:biosynthesis; D006462:Hemolytic Plaque Technique; D007519:Isoantigens; D008213:Lymphocyte Activation; D051379:Mice; D008815:Mice, Inbred Strains; D013601:T-Lymphocytes / Q000276:immunology* / Q000378:metabolism; D013997:Time Factors
chemical_list: D000941:Antigens; D007519:Isoantigens; D003165:Complement System Proteins; D004247:DNA