Journal
AEROBIOLOGIA
Volume 27, Issue 4, Pages 301-309Publisher
SPRINGER
DOI: 10.1007/s10453-011-9199-x
Keywords
Aeroallergens; Lol p 1; Pollinosis; Grasses; Pollen
Categories
Funding
- Department of Science and Technology
- Junta de Castilla y Leon. Spain
- [CGL2006-15103-C04-03]
- [LE044A07]
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The allergens of different grass species share similar physicochemical and immunological features that account for the high incidence of allergenic cross-reactivity. We aimed to gain more information on the correlation between Poaceae airborne pollen and allergen concentration and hence make a reliable assessment of true pollen exposure in different bioclimatic areas. The release of Lol p 1 allergen from grass pollen differs between years and areas depending on variables like meteorological factors, biological sources, and cross-reactions with homologous allergens. This study monitored airborne pollen concentrations of grasses and Lol p 1 aeroallergen in Leon and Ourense, two cities with different climatic conditions located in northwestern Spain. Lol p 1 content in aerosol samples was quantified using specific ELISA antibody plates. Some our results show that Lol p 1 concentration increases when the atmospheric relative humidity is below 70%. This could explain the appearance of protein peaks at times when little or no grass pollen is present, especially after a short and heavy storm.
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