Abstract
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 León 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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Acknowledgments
The authors are grateful to Juan Asturias from Bial-Arístegui Spain for technical support and Anne Collins for editing the English text. This study was supported by grant CGL2006-15103-C04-03, Department of Science and Technology, and grant LE044A07, Junta de Castilla y León. Spain.
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Fernández-González, D., Rodriguez Rajo, F.J., González Parrado, Z. et al. Differences in atmospheric emissions of Poaceae pollen and Lol p 1 allergen. Aerobiologia 27, 301–309 (2011). https://doi.org/10.1007/s10453-011-9199-x
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DOI: https://doi.org/10.1007/s10453-011-9199-x