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Airborne olive pollen counts are not representative of exposure to the major olive allergen Ole e 1.
Allergy 68, 809-812 (2013)
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 Córdoba, Spain, and Évora, 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 Córdoba (3.9 pg Ole e 1/pollen) than in Évora (0.8 pg Ole e 1/pollen, P = 0.004). Indeed, yearly olive pollen counts in Córdoba were 2.4 times higher than in Évora, but Ole e 1 concentrations were 7.6 times higher. When modeling the origin of the pollen, >40% of Ole e 1 exposure in Évora 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.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Allergy ; Enzyme-linked Immunosorbent Assay ; Hialine ; Model; Europaea Pollen ; Birch Pollen ; Ole-e-1
ISSN (print) / ISBN
0105-4538
e-ISSN
1398-9995
Journal
Allergy
Quellenangaben
Volume: 68,
Issue: 6,
Pages: 809-812
Publisher
Wiley
Reviewing status
Peer reviewed
Institute(s)
Institute for Allergy Research (IAF)