Generation of leukotrienes and lipoxygenase factors from human polymorphonuclear granulocytes during bacterial phagocytosis and interaction with bacterial exotoxins. 1983

K D Bremm, and J Brom, and W König, and B Spur, and A Crea, and S Bhakdi, and F Lutz, and F J Fehrenbach

The generation and release of lipoxygenase factors and leukotrienes from human polymorphonuclear granulocytes is demonstrated during bacterial phagocytosis and interaction with bacterial exotoxins (alpha-toxin, enterotoxin, lipase from Staph. aureus; Streptolysin O; cytotoxin from Pseudomonas aeruginosa). The leukotrienes released during stimulation exert chemotactic properties for human neutrophils and guinea pig eosinophils (leukotriene B4) and show the characteristic profile of slow reacting substance activity which is induced by leukotriene C4, D4 and E4. The toxin induced spasmogenic activity obtained from human PMNs was inhibited in the presence of the SRS-antagonist FPL 55712. The generation of lipoxygenase factors is also demonstrated by autoradiography using 14C arachidonic acid prelabelled granulocytes.

UI MeSH Term Description Entries
D007975 Leukotriene B4 The major metabolite in neutrophil polymorphonuclear leukocytes. It stimulates polymorphonuclear cell function (degranulation, formation of oxygen-centered free radicals, arachidonic acid release, and metabolism). (From Dictionary of Prostaglandins and Related Compounds, 1990) 5,12-HETE,5,12-diHETE,LTB4,Leukotriene B,Leukotriene B-4,Leukotrienes B,5,12 HETE,5,12 diHETE,B-4, Leukotriene,Leukotriene B 4
D009504 Neutrophils Granular leukocytes having a nucleus with three to five lobes connected by slender threads of chromatin, and cytoplasm containing fine inconspicuous granules and stainable by neutral dyes. LE Cells,Leukocytes, Polymorphonuclear,Polymorphonuclear Leukocytes,Polymorphonuclear Neutrophils,Neutrophil Band Cells,Band Cell, Neutrophil,Cell, LE,LE Cell,Leukocyte, Polymorphonuclear,Neutrophil,Neutrophil Band Cell,Neutrophil, Polymorphonuclear,Polymorphonuclear Leukocyte,Polymorphonuclear Neutrophil
D010587 Phagocytosis The engulfing and degradation of microorganisms; other cells that are dead, dying, or pathogenic; and foreign particles by phagocytic cells (PHAGOCYTES). Phagocytoses
D002630 Chemotactic Factors Chemical substances that attract or repel cells. The concept denotes especially those factors released as a result of tissue injury, microbial invasion, or immunologic activity, that attract LEUKOCYTES; MACROPHAGES; or other cells to the site of infection or insult. Chemoattractant,Chemotactic Factor,Chemotaxin,Chemotaxins,Cytotaxinogens,Cytotaxins,Macrophage Chemotactic Factor,Chemoattractants,Chemotactic Factors, Macrophage,Macrophage Chemotactic Factors,Chemotactic Factor, Macrophage,Factor, Chemotactic,Factor, Macrophage Chemotactic
D002631 Chemotactic Factors, Eosinophil Cytotaxins liberated from normal or invading cells that specifically attract eosinophils; they may be complement fragments, lymphokines, neutrophil products, histamine or other; the best known is the tetrapeptide ECF-A, released mainly by mast cells. Eosinophil Chemotactic Factors,Eosinophil Chemotaxins,Chemotaxins, Eosinophil,Factors, Eosinophil Chemotactic
D002634 Chemotaxis, Leukocyte The movement of leukocytes in response to a chemical concentration gradient or to products formed in an immunologic reaction. Leukotaxis,Leukocyte Chemotaxis
D004804 Eosinophils Granular leukocytes with a nucleus that usually has two lobes connected by a slender thread of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and stainable by eosin. Eosinophil
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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