Article (Scientific journals)
Mast Cells and IgE can Enhance Survival During Innate and Acquired Host Responses to Venoms.
Galli, Stephen J.; Starkl, Philipp; Marichal, Thomas et al.
2017In Transactions of the American Clinical and Climatological Association, 128, p. 193-221
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Abstract :
[en] Mast cells and immunoglobulin E (IgE) antibodies are thought to promote health by contributing to host responses to certain parasites, but other beneficial functions have remained obscure. Venoms provoke innate inflammatory responses and pathology reflecting the activities of the contained toxins. Venoms also can induce allergic sensitization and development of venom-specific IgE antibodies, which can predispose some subjects to exhibit anaphylaxis upon subsequent exposure to the relevant venom. We found that innate functions of mast cells, including degradation of venom toxins by mast cell-derived proteases, enhanced survival in mice injected with venoms from the honeybee, two species of scorpion, three species of poisonous snakes, or the Gila monster. We also found that mice injected with sub-lethal amounts of honeybee or Russell's viper venom exhibited enhanced survival after subsequent challenge with potentially lethal amounts of that venom, and that IgE antibodies, FcepsilonRI, and probably mast cells contributed to such acquired resistance.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Galli, Stephen J.
Starkl, Philipp
Marichal, Thomas  ;  Université de Liège - ULiège > Département des sciences fonctionnelles (DSF) > GIGA-R : Biochimie et biologie moléculaire
Tsai, Mindy
Language :
English
Title :
Mast Cells and IgE can Enhance Survival During Innate and Acquired Host Responses to Venoms.
Publication date :
2017
Journal title :
Transactions of the American Clinical and Climatological Association
ISSN :
0065-7778
Publisher :
American Clinical And Climatological Association, United States
Volume :
128
Pages :
193-221
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 January 2018

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