Environmental polycyclic aromatic hydrocarbons, benzo(a) pyrene (BaP) and BaP-quinones, enhance IgE-mediated histamine release and IL-4 production in human basophils

Polycyclic aromatic hydrocarbons (PAHs) are major components of diesel exhaust particles found in pollutant respirable particles. There is growing evidence that these fossil fuel combustion products exacerbate allergic inflammation. Basophils contribute to allergic inflammation through the release o...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 107(2003), 1 vom: 01. Apr., Seite 10-9
1. Verfasser: Kepley, Christopher L (VerfasserIn)
Weitere Verfasser: Lauer, Fredine T, Oliver, Janet M, Burchiel, Scott W
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Air Pollutants Oxidants Quinones Reactive Oxygen Species Receptors, IgE Vehicle Emissions Interleukin-4 mehr... 207137-56-2 Benzo(a)pyrene 3417WMA06D Immunoglobulin E 37341-29-0 Acetylcysteine WYQ7N0BPYC
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100 1 |a Kepley, Christopher L  |e verfasserin  |4 aut 
245 1 0 |a Environmental polycyclic aromatic hydrocarbons, benzo(a) pyrene (BaP) and BaP-quinones, enhance IgE-mediated histamine release and IL-4 production in human basophils 
264 1 |c 2003 
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500 |a Date Revised 07.11.2019 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a Polycyclic aromatic hydrocarbons (PAHs) are major components of diesel exhaust particles found in pollutant respirable particles. There is growing evidence that these fossil fuel combustion products exacerbate allergic inflammation. Basophils contribute to allergic inflammation through the release of preformed and granule-derived mediators. To determine whether allergens and PAHs interact, we incubated human basophils with PAHs and measured the release of histamine and IL-4 with and without added antigen. None of the PAHs induced mediator release by itself and none affected total cellular histamine levels. However, several PAHs enhanced histamine release and IL-4 production in response to crosslinking the high-affinity IgE receptor, Fc epsilon RI. The enhancement seen with 1,6-BaP-quinone involved an increase in tyrosine phosphorylation in several different substrates, including the Fc epsilon RI-associated tyrosine kinase, Lyn, and elevated reactive oxygen species (ROS) levels detected by dichlorofluorescein fluorescence and flow cytometry. The PAH-induced enhancement of mediator release and ROS production could be inhibited with the antioxidant N-acetylcysteine. These data provide further evidence that environmental pollutants can influence allergic inflammation through enhanced Fc epsilon RI-coupled mediator release from human basophils 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, P.H.S. 
650 7 |a Air Pollutants  |2 NLM 
650 7 |a Oxidants  |2 NLM 
650 7 |a Quinones  |2 NLM 
650 7 |a Reactive Oxygen Species  |2 NLM 
650 7 |a Receptors, IgE  |2 NLM 
650 7 |a Vehicle Emissions  |2 NLM 
650 7 |a Interleukin-4  |2 NLM 
650 7 |a 207137-56-2  |2 NLM 
650 7 |a Benzo(a)pyrene  |2 NLM 
650 7 |a 3417WMA06D  |2 NLM 
650 7 |a Immunoglobulin E  |2 NLM 
650 7 |a 37341-29-0  |2 NLM 
650 7 |a Acetylcysteine  |2 NLM 
650 7 |a WYQ7N0BPYC  |2 NLM 
700 1 |a Lauer, Fredine T  |e verfasserin  |4 aut 
700 1 |a Oliver, Janet M  |e verfasserin  |4 aut 
700 1 |a Burchiel, Scott W  |e verfasserin  |4 aut 
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