Modulation of interleukin-15-induced human neutrophil responses by the plant lectin Viscum album agglutinin-I

Copyright 2001 Academic Press.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 101(2001), 2 vom: 01. Nov., Seite 229-36
1. Verfasser: Pelletier, M (VerfasserIn)
Weitere Verfasser: Lavastre, V, Savoie, A, Ratthé, C, Saller, R, Hostanska, K, Girard, D
Format: Aufsatz
Sprache:English
Veröffentlicht: 2001
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Adjuvants, Immunologic Gelsolin Interleukin-15 Interleukin-2 Plant Preparations Plant Proteins Ribosome Inactivating Proteins, Type 2 Toxins, Biological mehr... VAA-I protein, Viscum album ribosome inactivating protein, Viscum Ribosome Inactivating Proteins EC 3.2.2.22
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245 1 0 |a Modulation of interleukin-15-induced human neutrophil responses by the plant lectin Viscum album agglutinin-I 
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520 |a The plant lectin Viscum album agglutinin-I (VAA-I) and the interleukin-15 (IL-15) cytokine are two molecules with potential therapeutic properties known to modulate neutrophil functions when used separately. This study was conducted in order to better understand the mode of action of VAA-I and to elucidate how VAA-I could modulate IL-15-induced neutrophil responses. We found that VAA-I cannot induce phosphorylation events in human neutrophils. However, it enhances phagocytosis by itself without altering IL-15-induced phagocytosis. VAA-I was found to reverse the ability of IL-15 to delay neutrophil apoptosis and this was correlated with an inhibition of IL-15-induced de novo protein synthesis. In addition, we also found that IL-15 cannot reverse or attenuate the caspase-induced gelsolin fragmentation observed during apoptosis as assessed by immunoblotting. We conclude that VAA-I can be used to modulate some, but not all, IL-15-induced neutrophil responses and that it acts independent of phosphorylation events 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Adjuvants, Immunologic  |2 NLM 
650 7 |a Gelsolin  |2 NLM 
650 7 |a Interleukin-15  |2 NLM 
650 7 |a Interleukin-2  |2 NLM 
650 7 |a Plant Preparations  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Ribosome Inactivating Proteins, Type 2  |2 NLM 
650 7 |a Toxins, Biological  |2 NLM 
650 7 |a VAA-I protein, Viscum album  |2 NLM 
650 7 |a ribosome inactivating protein, Viscum  |2 NLM 
650 7 |a Ribosome Inactivating Proteins  |2 NLM 
650 7 |a EC 3.2.2.22  |2 NLM 
700 1 |a Lavastre, V  |e verfasserin  |4 aut 
700 1 |a Savoie, A  |e verfasserin  |4 aut 
700 1 |a Ratthé, C  |e verfasserin  |4 aut 
700 1 |a Saller, R  |e verfasserin  |4 aut 
700 1 |a Hostanska, K  |e verfasserin  |4 aut 
700 1 |a Girard, D  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Clinical immunology (Orlando, Fla.)  |d 1999  |g 101(2001), 2 vom: 01. Nov., Seite 229-36  |w (DE-627)NLM098196855  |x 1521-6616  |7 nnns 
773 1 8 |g volume:101  |g year:2001  |g number:2  |g day:01  |g month:11  |g pages:229-36 
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