University of Worcester Worcester Research and Publications

Airborne Olive Pollen Counts are not Representative of 1 Exposure to the Major Olive Allergen Ole e 1

Galán, C., Antunes, C.M., Brandao, R., Torres, C., García-Mozo, H., Caeiro, E., Ferro, R., Prank, M., Sofiev, M., Albertini, R., Berger, U., Cecchi, L., Celenk, S., Grewling, Ł., Jackowiak, B., Jäger, S., Kennedy, Roy, Rantio-Lehtimäki, A., Reece, G., Sauliene, I., Smith, Matt ORCID:, Thibaudon, M., Weber, B., Weichenmeier, I., Pusch, G., Buters, J.T.M. and HIALINE working group, (2013) Airborne Olive Pollen Counts are not Representative of 1 Exposure to the Major Olive Allergen Ole e 1. Allergy, 68 (6). pp. 809-812. ISSN Print: 0105-4538 Online: 1398-9995

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Pollen is routinely monitored, but it is unknown whether pollen counts represent allergen exposure. We therefore simultaneously determined olive pollen and Ole e 1 in ambient air in C"ordoba, Spain, and "Evora, Portugal, using Hirst-type traps for pollen and high-volume cascade impactors for allergen. Pollen from different days released 12-fold different amounts of Ole e 1 per pollen (both locations P < 0.001). Average allergen release from pollen (pollen potency) was much higher in C"ordoba (3.9 pg Ole e 1/pollen) than in "Evora (0.8 pg Ole e 1/pollen, P = 0.004). Indeed, yearly olive pollen counts in C"ordoba were 2.4 times higher than in "Evora, but Ole e 1 concentrations were 7.6 times higher. When modeling the origin of the pollen, >40% of Ole e 1 exposure in "Evora was explained by high-potency pollen originating from the south of Spain. Thus, olive pollen can vary substantially in allergen release, even though they are morphologically identical.

Item Type: Article
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Originally deposited as National Pollen and Aerobiology Research Unit (NPARU)

Uncontrolled Discrete Keywords: pollen counts, allergen exposure, olive pollen, allergen release, allergy, enzyme-linked immunosorbent assay, HIALINE model
Subjects: Q Science > Q Science (General)
Divisions: College of Health, Life and Environmental Sciences > School of Science and the Environment
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Depositing User: Sally Wall
Date Deposited: 07 May 2013 10:06
Last Modified: 08 Sep 2020 04:00

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