Inhibition of histamine release from human FcεRI+ cells by nimesulide

O. Marino, V. Casolaro, S. Meliota, C. Stellato, G. Guidi, G. Marone

Research output: Contribution to journalArticle

Abstract

We have previously demonstrated that pharmacological concentrations of non-steroidal anti-inflammatory drugs (NSAID) such as indomethacin, acetylsalicylic acid, and meclofenamic acid enhance IgE-mediated histamine release (HR) from human basophils. We have now examined the effects of nimesulide (NIM), a new NSAID, on mediator release from human basophils. Preincubation (10 min at 37°C) of basophils with pharmacological concentrations (10-6-10-3M) of NIM resulted in a concentration-dependent decrease of HR induced by anti-IgE, the Ca2+-ionophore A23187 and the formylated tripeptide f-Met-Leu-Phe (FMLP). Maximal inhibition of anti-IgE-induced HR was achieved after preincubation with 10-4M NIM and ranged between 14.5% and 44.5% (mean±SEM, 29.7±4.5%). The drug had a marked inhibitory effect on HR from basophils induced by A23187 (80.6±5.5%), FMLP (63.5±10.3%), 12-O-tetradecanoyl-phorbol-13-acetate (57.0±8.7%) and bryostatin 1 (65.7±7.6%). NIM also inhibited the IgE-mediated synthesis of peptide leukotriene C4 from basophils.

Original languageEnglish (US)
JournalAgents and Actions
Volume36
Issue number2 Supplement
DOIs
StatePublished - Jun 1992
Externally publishedYes

Fingerprint

nimesulide
Basophils
Histamine Release
Histamine
methionyl-leucyl-phenylalanine
Immunoglobulin E
Calcimycin
Anti-Inflammatory Agents
Meclofenamic Acid
Pharmaceutical Preparations
Leukotriene C4
Pharmacology
Ionophores
Tetradecanoylphorbol Acetate
Indomethacin
Aspirin
Peptides

ASJC Scopus subject areas

  • Toxicology
  • Pharmacology (medical)

Cite this

Marino, O., Casolaro, V., Meliota, S., Stellato, C., Guidi, G., & Marone, G. (1992). Inhibition of histamine release from human FcεRI+ cells by nimesulide. Agents and Actions, 36(2 Supplement). https://doi.org/10.1007/BF01997360

Inhibition of histamine release from human FcεRI+ cells by nimesulide. / Marino, O.; Casolaro, V.; Meliota, S.; Stellato, C.; Guidi, G.; Marone, G.

In: Agents and Actions, Vol. 36, No. 2 Supplement, 06.1992.

Research output: Contribution to journalArticle

Marino, O, Casolaro, V, Meliota, S, Stellato, C, Guidi, G & Marone, G 1992, 'Inhibition of histamine release from human FcεRI+ cells by nimesulide', Agents and Actions, vol. 36, no. 2 Supplement. https://doi.org/10.1007/BF01997360
Marino O, Casolaro V, Meliota S, Stellato C, Guidi G, Marone G. Inhibition of histamine release from human FcεRI+ cells by nimesulide. Agents and Actions. 1992 Jun;36(2 Supplement). https://doi.org/10.1007/BF01997360
Marino, O. ; Casolaro, V. ; Meliota, S. ; Stellato, C. ; Guidi, G. ; Marone, G. / Inhibition of histamine release from human FcεRI+ cells by nimesulide. In: Agents and Actions. 1992 ; Vol. 36, No. 2 Supplement.
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