Publicações científicas

Influence of seasonal variations on histamine release and other immunological parameters in pollinosis.

Diéguez I, Sanz ML [ES], Oehling A.
Departamento de Alergología e Inmunología Clínica, Clínica Universitaria, Facultad de Medicina, Universidad de Navarra, Pamplona, Spain

Revisão:Journal Investigational Allergology and Clinical Immunology

Data: 1/Abr/1991

Alergologia e Imunologia Clínica

One hundred and fifty-six pollen-sensitive patients with sensitization to grass pollen only were chosen for this study; 65 patients were allergic to Dermatophagoides, while 45 were non-allergic subjects with no atopic history.

The following tests were carried out on all patients: histamine release of total blood, basal histamine, total histamine, determination of total IgE and specific IgE (RAST) serum levels, serum hemagglutinating antibodies and skin tests. Seasonal increase of IgE was observed, with post-seasonal fall; 50% of the cases reached normal values. However, RAST as a semiquantitative method did not prove to be useful in the detection of variations in specific IgE levels.

During pollination, an increase in titers in pollen-sensitive subjects was seen. This was attributed to a humoral immune response epiphenomenon which was independent of IgE. The histamine release test was significantly greater during pollination in pollen-sensitive subjects. The total of stored histamine increased during the months of allergenic exposure.

CITAÇÃO DO ARTIGO J Investig Allergol Clin Immunol. 1991 Apr;1(2):101-8

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