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leukocidin
leukocidin[‚lü·kə′sīd·ən] (biochemistry) A toxic substance released by certain bacteria which destroys leukocytes. leukocidin
leukocidin [loo″ko-si´din] 1. a substance toxic to leukocytes, killing the cells with or without lysis.2. a type of exotoxin produced by pathogenic bacteria such as staphylococci or streptococci; it destroys leukocytes and may also damage monocytes and macrophages.leu·ko·ci·din (lū'kō-sī'din, lū-kō-sī'din), A heat-labile substance that is elaborated by many strains of Staphylococcus aureus, Streptococcus pyogenes, and pneumococci and manifests a destructive action on leukocytes, with or without lysis of the cells. [leukocyte + L. caedo, to kill] leukocidin (1) An antibody which lyses white cells following complement fixation.
(2) A pore-forming cytotoxin produced by certain bacteria.leu·ko·ci·din (lū'kō-sī'din) A heat-labile substance that is elaborated by many strains of Staphylococcus aureus, Streptococcus pyogenes, and pneumococci; manifests a destructive action on leukocytes, with or without lysis of the cells.
Synonym(s): leucocidin. [leukocyte + L. caedo, to kill] |