期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 905, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2023.167042
关键词
Pollen grains; Fungal spores; Aeroallergens; Allergenic proteins; Monitoring; Immunodetection; Air pollution
This review article presents the current knowledge on inhalant allergens in the outdoor environment, including their structure, localization, and factors affecting their production, transformation, release, or degradation. Methods for collecting and quantifying aeroallergens are also discussed. The article also highlights the knowledge gaps, challenges, and implications associated with aeroallergen analysis.
Aeroallergens or inhalant allergens, are proteins dispersed through the air and have the potential to induce allergic conditions such as rhinitis, conjunctivitis, and asthma. Outdoor aeroallergens are found predominantly in pollen grains and fungal spores, which are allergen carriers. Aeroallergens from pollen and fungi have seasonal emission patterns that correlate with plant pollination and fungal sporulation and are strongly associated with atmospheric weather conditions. They are released when allergen carriers come in contact with the respiratory system, e.g. the nasal mucosa. In addition, due to the rupture of allergen carriers, airborne allergen molecules may be released directly into the air in the form of micronic and submicronic particles (cytoplasmic debris, cell wall fragments, droplets etc.) or adhered onto other airborne particulate matter. Therefore, aeroallergen detection strategies must consider, in addition to the allergen carriers, the allergen molecules themselves. This review article aims to present the current knowledge on inhalant allergens in the outdoor environment, their structure, localization, and factors affecting their production, transformation, release or degradation. In addition, methods for collecting and quantifying aeroallergens are listed and thoroughly discussed. Finally, the knowledge gaps, challenges and implications associated with aeroallergen analysis are described.
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