Abstract
Background:Changes in the immune and inflammatory response are induced by smoking tobacco but underlying mechanisms remain to be elucidated.
Objective:This study investigated the effect of nicotine agonists on histamine release from human basophils.
Methods:Peripheral blood basophils were obtained from healthy volunteers. The effect of the nictotine agonists [–]-1-methyl-2-[3-pyridyl]pyrrolidine and (+)-nicotine di-p-toluoyltartrate salt on cell viability and anti-IgE induced histamine release was investigated.
Results:Cell viability was not altered by preincubation with the agents for 15 min. Anti-IgE induced histamine release was significantly inhibited by preincubation (15 min, 37°C) with [–]-1-methyl-2-[3-pyridyl]pyrrolidine at the highest concentration tested 10–3 M (p<0.01). Preincubation (15 min, 37°C) with (+)-nicotine di-p-toluoyltartrate salt significantly inhibited anti-IgE induced histamine release at 10–3M and 10–5 M (p<0.05).
Conclusions:This study has demonstrated that nicotine agonists inhibit histamine release from human basophils. Further studies examining the effect of smoking on basophil activation are required.
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Received 28 September 2003; returned for revision 1 December 2003; accepted by A. Falus 23 December 2003
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Thompson-Cree, M.E.M., Stevenson, M.R., Shields, M.D. et al. The effect of nicotine on basophil histamine release. Inflamm. res. 53, 211–214 (2004). https://doi.org/10.1007/s00011-004-1249-1
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DOI: https://doi.org/10.1007/s00011-004-1249-1