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Effects of atmospheric pollutants (CO, O3, SO2) on the allergenicity of Betula pendula, Ostrya carpinifolia, and Carpinus betulus pollen

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Pollen of Betula pendula, Ostrya carpinifolia, and Carpinus betulus was exposed in vitro to relatively low levels of the air pollutants, namely carbon monoxide, ozone, and sulfur dioxide. The allergenicity of the exposed pollen was compared with that of non-exposed pollen samples to assess if air pollution exposition affects the allergenicity potential of pollen. The immunodetection assays indicated higher IgE recognition by all sera of allergic patients to the pollen protein extracts in all exposed samples in comparison to the non-exposed samples. These results show that the pollen exposition to low pollutants’ levels induces increased allergic reaction to sensitized individuals.
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Keywords: Betula pendula pollen; Carpinus betulus pollen; Ostrya carpinifolia pollen; air pollutants; allergic sensitization; pollen allergy

Document Type: Research Article

Affiliations: 1: Centro de Investigação em Química (CIQ-UP), Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Porto, Portugal 2: Clinical Patology Service, Immunology Laboratory, Vila Nova de Gaia Hospitalar Centre, Vila Nova de Gaia, Portugal 3: Faculdade de Ciências, Departamento de Biologia e Grupo do Ambiente do Centro de Geologia da, Universidade do Porto, Porto, Portugal

Publication date: May 4, 2015

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