The complement system and increased susceptibility to infection.
D000799:Angioedema / Q000235:genetics / Q000276:immunology; D000818:Animals; D001433:Bacteriolysis; D002199:Capillary Permeability; D003165:Complement System Proteins / Q000032:analysis / Q000378:metabolism; D005921:Glomerulonephritis / Q000276:immunology; D006168:Guinea Pigs; D006636:Histamine Release; D006801:Humans; D007104:Immune Adherence Reaction; D007239:Infections / Q000276:immunology*; D007249:Inflammation / Q000276:immunology; D008297:Male; D008661:Metabolism, Inborn Errors / Q000235:genetics; D051379:Mice; D009130:Muscle, Smooth; D010587:Phagocytosis; D011817:Rabbits
D003165:Complement System Proteins