title: Regulation of immune response by components of the complement cascade and their activated fragments.
mesh_terms: D000917:Antibody Formation; D000936:Antigen-Antibody Complex; D003167:Complement Activation; D003176:Complement C3 / Q000276:immunology; D003182:Complement C5 / Q000276:immunology; D015936:Complement C5a; D003165:Complement System Proteins / Q000276:immunology*; D006801:Humans; D007375:Interleukin-1 / Q000096:biosynthesis; D008213:Lymphocyte Activation; D008264:Macrophages / Q000276:immunology; D011951:Receptors, Complement / Q000276:immunology
chemical_list: D000936:Antigen-Antibody Complex; D003176:Complement C3; D003182:Complement C5; D007375:Interleukin-1; D011951:Receptors, Complement; D015936:Complement C5a; D003165:Complement System Proteins