... activation proteins are mediatedby numerous regulatory proteins including CD59, clus-terin, vitronectin, C1-inhibitor, C4-binding protein,decay-activating factor, and Factor H, which inhibit differ-ent ... frag-ment (C3a) of the third component of human complementcontaining anaphylatoxin and chemotactic activity anddescription of an anaphylatoxin inactivator of human serum. J Exp Med 1969, 129:1109-1130.156. ... systemic admin-istration of the excitotoxin kainic acid [108,109], orinjection of the neurotoxin colchicine into the dorsal hip-pocampus [109]. Surgical transection of the perforantpathway increased...