Publicaciones científicas

Antigen-specific sulphidoleukotriene production and histamine release in pollinic patients.

Ferrer M, Sanz ML, Prieto I, Oehling A.
Department of Allergology and Clinical Immunology, University Clinic Faculty of Medicine, University of Navarra, Pamplona, Spain.

Revista: Journal of Investigational Allergology and Clinical Immunology

Fecha: 01-oct-1996

Alergología e Inmunología Clínica

We studied sulphidoleukotriene (sLT) production, by means of CAST-ELISA (Bühlmann) in 92 atopic (54 pollinic and 38 non-pollinic) patients, and in 9 control subjects, after antigenic stimulation of peripheral blood leukocytes with 20 ng/ml and 2 ng/ml of Lolium perenne pollen extract, in the presence of IL-3.

Antigen-specific stimulation of leukocytes from pollinic patients studied during the pollen season led to a sLT production significantly higher (p = 0.03 at 2 ng allergen/ml) than in those studied out of the pollen season. Histamine release was also significantly higher in pollen season than out of the season (p = 0.04 at 20 ng allergen/ml and p < 0.001 at 2 ng allergen/ml).

There was a significant positive correlation between sLT production and histamine release (r = 0.67 at 2 ng allergen/ml and r = 0.57 at 20 ng/ml, both p < 0.001), and between sLT production and skin test results (r = 0.5 at 2 ng allergen/ml and r = 0.46 at 20 ng allergen/ml, both p < 0.001).

We found that sLT production was lower, although not significantly, in patients older than 40 years, and histamine release was significantly (p = 0.02) higher in women than in men at 2 ng allergen/ml. We conclude that sLT production in pollinic patients is higher when antigenic pressure is increased in the environment, and that sLT quantification by CAST-ELISA might be useful for evaluation of this sensitization, with analogous results to the histamine release test.

CITA DEL ARTÍCULO  J Investig Allergol Clin Immunol. 1996 Sep-Oct;6(5):271-7

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