Mediators of Inflammation

Mediators of Inflammation / 1998 / Article

Open Access

Volume 7 |Article ID 124051 |

S. F. Barros, I. Friedlanskaia, V. L. Petricevich, T. L. Kipnis, "Local inflammation, lethality and cytokine release in mice injected with Bothrops atrox venom", Mediators of Inflammation, vol. 7, Article ID 124051, 8 pages, 1998.

Local inflammation, lethality and cytokine release in mice injected with Bothrops atrox venom


We have provided evidence that: (a) lethality of mice to crude Bothrops venom varies according the isogenic strain (A/J > C57Bl/6 > A/Sn > BALB/c > C3H/ HePas > DBA/2 > C3H/He); (b)BALB/c mice (LD50=100.0 μg) were injected i.p. with 50 μg of venom produced IL-6, IL-10, INF-γ, TNF-α and NO in the serum. In vitro the cells from the mice injected and challenged with the venom only released IL-10 while peritoneal macrophages released IL-10, INF-γ and less amounts of IL-6; (c) establishment of local inflammation and necrosis induced by the venom, coincides with the peaks of TNF-α, IFN-γ and NO and the damage was neutralized when the venom was incubated with a monoclonal antibody against a 60 kDa haemorrhagic factor. These results suggest that susceptibility to Bothrops a trox venom is genetically dependent but MHC independent; that IL-6, IL10, TNF-α, IFN-γ and NO can be involved in the mediation of tissue damage; and that the major venom component inducers of the lesions are haemorrhagins.

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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