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  • Title: Tumour necrosis factor beta (lymphotoxin) inhibits locomotion and stimulates the respiratory burst and degranulation of neutrophils.
    Author: Ferrante A, Nandoskar M, Bates EJ, Goh DH, Beard LJ.
    Journal: Immunology; 1988 Mar; 63(3):507-12. PubMed ID: 2832316.
    Abstract:
    The data presented here demonstrate that recombinant human tumour necrosis factor beta (rHuTNF beta; lymphotoxin) is a neutrophil modulator. The lymphokine inhibited the locomotion of neutrophils and augmented the neutrophil oxygen-dependent respiratory burst in response to N-formyl-L-methionyl-L-leucyl-L-phenylalanine (FMLP) and phorbol myristate acetate (PMA), as measured by their capacity to produce chemiluminescence, H2O2 and superoxide. The effects on the respiratory burst occurred at a tenth of the concentration of TNF beta required to inhibit locomotion. After incubation with TNF beta, the neutrophils could be washed without any reduction in their capacity to show augmented responses. The TNF beta enhanced granule enzyme (lysozyme and beta-glucuronidase) release of neutrophils stimulated with cytochalasin B-FMLP.
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