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Grewling Ł, Ribeiro H, Antunes C, Apangu GP, Çelenk S, Costa A, Eguiluz-Gracia I, Galveias A, Gonzalez Roldan N, Lika M, Magyar D, Martinez-Bracero M, Ørby P, O'Connor D, Penha AM, Pereira S, Pérez-Badia R, Rodinkova V, Xhetani M, Šauliene I, Skjøth CA. Outdoor airborne allergens: Characterization, behavior and monitoring in Europe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167042. [PMID: 37709071 DOI: 10.1016/j.scitotenv.2023.167042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/23/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
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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Affiliation(s)
- Łukasz Grewling
- Laboratory of Aerobiology, Department of Systematic and Environmental Botany, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland.
| | - Helena Ribeiro
- Department of Geosciences, Environment and Spatial Plannings of the Faculty of Sciences, University of Porto and Earth Sciences Institute (ICT), Portugal
| | - Celia Antunes
- Department of Medical and Health Sciences, School of Health and Human Development & ICT-Institute of Earth Sciences, IIFA, University of Évora, 7000-671 Évora, Portugal
| | | | - Sevcan Çelenk
- Department of Biology, Faculty of Arts and Sciences, Bursa Uludag University, Bursa, Turkey
| | - Ana Costa
- Department of Medical and Health Sciences, School of Health and Human Development & ICT-Institute of Earth Sciences, IIFA, University of Évora, 7000-671 Évora, Portugal
| | - Ibon Eguiluz-Gracia
- Allergy Unit, Hospital Regional Universitario de Malaga, Malaga 29010, Spain
| | - Ana Galveias
- Department of Medical and Health Sciences, School of Health and Human Development & ICT-Institute of Earth Sciences, IIFA, University of Évora, 7000-671 Évora, Portugal
| | - Nestor Gonzalez Roldan
- Group of Biofunctional Metabolites and Structures, Priority Research Area Chronic Lung Diseases, Research Center Borstel, Leibniz Lung Center, Member of the German Center for Lung Research (DZL), Airway Research Center North (ARCN), Borstel, Germany; Pollen Laboratory, Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Mirela Lika
- Department of Biology, Faculty of Natural Sciences, University of Tirana, Tirana, Albania
| | - Donát Magyar
- National Center for Public Health and Pharmacy, Budapest, Hungary
| | | | - Pia Ørby
- Department of Environmental Science, Danish Big Data Centre for Environment and Health (BERTHA) Aarhus University, Aarhus, Denmark
| | - David O'Connor
- School of Chemical Sciences, Dublin City University, Dublin D09 E432, Ireland
| | - Alexandra Marchã Penha
- Water Laboratory, School of Sciences and Technology, ICT-Institute of Earth Sciences, IIFA, University of Évora. 7000-671 Évora, Portugal
| | - Sónia Pereira
- Department of Geosciences, Environment and Spatial Plannings of the Faculty of Sciences, University of Porto and Earth Sciences Institute (ICT), Portugal
| | - Rosa Pérez-Badia
- Institute of Environmental Sciences, University of Castilla-La Mancha, 45071 Toledo, Spain
| | | | - Merita Xhetani
- Department of Biology, Faculty of Natural Sciences, University of Tirana, Tirana, Albania
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Pollen Monitoring by Optical Microscopy and DNA Metabarcoding: Comparative Study and New Insights. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19052624. [PMID: 35270312 PMCID: PMC8910172 DOI: 10.3390/ijerph19052624] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/09/2022] [Accepted: 02/22/2022] [Indexed: 02/01/2023]
Abstract
Environmental samples collected in Brindisi (Italy) by a Hirst-type trap and in Lecce (Italy) by a PM10 sampler were analysed by optical microscopy and DNA-metabarcoding, respectively, to identify airborne pollen and perform an exploratory study, highlighting the benefits and limits of both sampling/detection systems. The Hirst-type trap/optical-microscopy system allowed detecting pollen on average over the full bloom season, since whole pollen grains, whose diameter vary within 10–100 μm, are required for morphological detection with optical microscopy. Conversely, pollen fragments with an aerodynamic diameter ≤10 μm were collected in Lecce by the PM10 sampler. Pollen grains and fragments are spread worldwide by wind/atmospheric turbulences and can age in the atmosphere, but aerial dispersal, aging, and long-range transport of pollen fragments are favoured over those of whole pollen grains because of their smaller size. Twenty-four Streptophyta families were detected in Lecce throughout the sampling year, but only nine out of them were in common with the 21 pollen families identified in Brindisi. Meteorological parameters and advection patterns were rather similar at both study sites, being only 37 km apart in a beeline, but their impact on the sample taxonomic structure was different, likely for the different pollen sampling/detection systems used in the two monitoring areas.
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Ortega-Rosas CI, Meza-Figueroa D, Vidal-Solano JR, González-Grijalva B, Schiavo B. Association of airborne particulate matter with pollen, fungal spores, and allergic symptoms in an arid urbanized area. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:1761-1782. [PMID: 33090369 DOI: 10.1007/s10653-020-00752-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
Studies focused on the seasonal distribution of pollen and spores in semiarid cities are scarce. At these sites, climate change potentiates the emission and transport of fine (PM10) to ultrafine particles (PM2.5), easily attached to pollen surfaces, causing allergen's release. This study examines the potential correlation of seasonal variations of pollen, fungal spores, PM10, and meteorological parameters with allergic reactions of 150 people living in a Sonoran desert city. We collected PM10, airborne pollen, and spores during a year. We also studied topsoil and road dust samples as potential PM-emission sources. We obtained dust-mineralogy, chemistry, and particle size attached to pollen by X-ray diffraction and scanning electron microscope. Results show that seasonal high PM-loading in the urban atmosphere coincides with aeroallergens promoting micro- to nanoparticles' attachment to pollen's surface. A collapsed membrane was observed in several samples after individual grains show the following maximum wall coverage: Poaceae 28%, Asteraceae 40%, Chenopodiaceae-Amaranthacea 29%, Fabaceae 18%. Most of the particles covering pollen's surface have a geogenic origin mixed with metals linked to traffic (bromide, chlorine, and antimony). Mineralogical, granulometric analysis, and main wind-direction show that two local soil-types are the main contributors to PM. A high frequency of positive sensitization to pollen with high particle loading was detected. These results suggest that climate-driven dust emissions may alter pollen and spore surfaces' physicochemical characteristics with the further consequences in their allergenic potential.
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Affiliation(s)
- C I Ortega-Rosas
- Licenciatura en Ecología, Universidad Estatal de Sonora, Unidad Académica Hermosillo, Ley Federal del Trabajo SN, Col. Apolo, C.P.83100, Hermosillo, Sonora, Mexico.
| | - D Meza-Figueroa
- Departamento de Geología, Universidad de Sonora, Blvd. Luis Encinas Y Rosales, Col. Centro, C.P.83000, Hermosillo, Sonora, Mexico
| | - J R Vidal-Solano
- Departamento de Geología, Universidad de Sonora, Blvd. Luis Encinas Y Rosales, Col. Centro, C.P.83000, Hermosillo, Sonora, Mexico
| | - B González-Grijalva
- Licenciatura en Ecología, Universidad Estatal de Sonora, Unidad Académica Hermosillo, Ley Federal del Trabajo SN, Col. Apolo, C.P.83100, Hermosillo, Sonora, Mexico
- Departamento de Geología, Universidad de Sonora, Blvd. Luis Encinas Y Rosales, Col. Centro, C.P.83000, Hermosillo, Sonora, Mexico
| | - B Schiavo
- Departamento de Geología, Universidad de Sonora, Blvd. Luis Encinas Y Rosales, Col. Centro, C.P.83000, Hermosillo, Sonora, Mexico
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Ortega Rosas CI, Calderón-Ezquerro MDC, Gutiérrez-Ruacho OG. Fungal spores and pollen are correlated with meteorological variables: effects in human health at Hermosillo, Sonora, Mexico. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2020; 30:677-695. [PMID: 31161773 DOI: 10.1080/09603123.2019.1625031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
We conducted the first study of air pollen and fungal spores for Hermosillo, Sonora, where the human population is exposed to high temperatures and high levels of dust and suffers from diseases related to air quality. We sampled pollen and fungal spores daily in the air during 2016 using a volumetric spore trap Hirst-type sampler. We used simple linear correlation to investigate the association between pollen and spore counts and daily weather conditions. We found an Annual Pollen Integral of 16,243 pollen day/m3 and an Annual Spore Integral higher 222,365 spore day/m3. We identified 32 pollen taxa and 15 different spores. We found two periods of higher pollen and spore concentrations: March to May and August to October, the latter was the most severe. Spore and pollen concentrations in the air increased at higher temperature and higher relative humidity but decreased at higher precipitation. We detected negative impacts during summer and fall on population health, with 13,454 cases of people who presented diseases related to allergies. A peak in allergies is centered during October and correlates well with our peaks in pollen and spore concentrations; it seems that pollen of Poaceae is the one that generates most effects in allergic people.
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Plaza MP, Alcázar P, Oteros J, Galán C. Atmospheric pollutants and their association with olive and grass aeroallergen concentrations in Córdoba (Spain). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:45447-45459. [PMID: 32789634 PMCID: PMC8197725 DOI: 10.1007/s11356-020-10422-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 08/06/2020] [Indexed: 05/07/2023]
Abstract
Cumulative data indicate that pollen grains and air pollution reciprocally interact. Climate changes seem also to influence pollen allergenicity. Depending on the plant species and on the pollutant type and concentration, this interaction may modify the features and metabolism of the pollen grain. Previous results revealed a significant positive correlation between pollen and aeroallergen, even using two different samplers. However, some discrepancy days have been also detected with low pollen but high aeroallergen concentrations. The main aim of the present paper is to find how the environmental factors, and specially pollutants, could affect the amount of allergens from olive and grass airborne pollen. Pollen grains were collected by a Hirst-type volumetric spore trap. Aeroallergen was simultaneously sampled by a low-volume Cyclone Burkard sampler. Phl p 5 and Ole e 1 aeroallergen were quantified by double-sandwich ELISA test. The data related to air pollutants, pollen grains, and aeroallergens were analyzed with descriptive statistic. Spearman's correlation test was used to identify potential correlations between these variables. There is a significant positive correlation between aeroallergens and airborne pollen concentrations, in both studied pollen types, so allergen concentrations could be explained with the pollen concentration. The days with unlinked events coincide between olive and grass allergens. Nevertheless, concerning to our results, pollutants do not affect the amount of allergens per pollen. Even if diverse pollutants show an unclear relationship with the allergen concentration, this association seems to be a casual effect of the leading role of some meteorological parameters.
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Affiliation(s)
- Maria Pilar Plaza
- Chair and Institute of Environmental Medicine, UNIKA-T, University of Augsburg - Technical University of Munich (TUM) and Helmholtz Zentrum München, Neusässer Str. 47, 86156, Augsburg, Germany.
- Department of Botany, Ecology and Plant Physiology, University of Córdoba (UCO), Córdoba, Spain.
| | - Purificación Alcázar
- Department of Botany, Ecology and Plant Physiology, University of Córdoba (UCO), Córdoba, Spain
| | - José Oteros
- Department of Botany, Ecology and Plant Physiology, University of Córdoba (UCO), Córdoba, Spain
- Center of Allergy & Environment (ZAUM), Member of the German Center for Lung Research (DZL), Technische Universität München/Helmholtz Center, Munich, Germany
| | - Carmen Galán
- Department of Botany, Ecology and Plant Physiology, University of Córdoba (UCO), Córdoba, Spain
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Producing Urban Aerobiological Risk Map for Cupressaceae Family in the SW Iberian Peninsula from LiDAR Technology. REMOTE SENSING 2020. [DOI: 10.3390/rs12101562] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Given the rise in the global population and the consequently high levels of pollution, urban green areas, such as those that include plants in the Cupressaceae family, are suitable to reduce the pollution levels, improving the air quality. However, some species with ornamental value are also very allergenic species whose planting should be regulated and their pollen production reduced by suitable pruning. The Aerobiological Index to create Risk maps for Ornamental Trees (AIROT), in its previous version, already included parameters that other indexes did not consider, such as the width of the streets, the height of buildings and the geographical characteristics of cities. It can be considered by working with LiDAR (Light Detection and Ranging) data from five urban areas, which were used to create the DEM and DSM (digital elevation and surface models) needed to create one of the parameters. Pollen production is proposed as a parameter (α) based on characteristics and uses in the forms of hedges or trees that will be incorporated into the index. It will allow the comparison of different species for the evaluation of the pruning effect when aerobiological risks are established. The maps for some species of Cupressaceae (Cupressus arizonica, Cupressus macrocarpa, Cupressus sempervirens, Cupressocyparis leylandii and Platycladus orientalis) generated in a GIS (geographic information system) from the study of several functions of Kriging, have been used in cities to identify aerobiological risks in areas of tourist and gastronomic interest. Thus, allergy patients can make decisions about the places to visit depending on the levels of risk near those areas. The AIROT index provides valuable information for allergy patients, tourists, urban planning councillors and restaurant owners in order to structure the vegetation, as well as planning tourism according to the surrounding environmental risks and reducing the aerobiological risk of certain areas.
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Telloli C, Chicca M, Leis M, Vaccaro C. Fungal spores and pollen in particulate matter collected during agricultural activities in the Po Valley (Italy). J Environ Sci (China) 2016; 46:229-240. [PMID: 27521955 DOI: 10.1016/j.jes.2016.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 02/26/2016] [Accepted: 02/29/2016] [Indexed: 06/06/2023]
Abstract
Airborne particulate matter (PM) containing fungal spores and pollen grains was sampled within a monitoring campaign of wheat threshing, plowing and sowing agricultural operations. Fungal spores and pollen grains were detected and identified on morphological basis. No studies were previously available about fungal spore and pollen content in agricultural PM in the Po Valley. Sampling was conducted in a Po Valley farmland in Mezzano (Ferrara, Italy). The organic particles collected were examined by scanning electron microscopy with energy dispersive X-ray spectrometer. Fungal spores and pollen grains were identified when possible at the level of species. The most frequent components of the organic particles sampled were spores of Aspergillus sp., which could represent a risk of developing allergies and aspergillosis for crop farmers.
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Affiliation(s)
- Chiara Telloli
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Technical Unit for Environmental Assessment Models, Methods and Technologies (UTVALAMB), Air Quality Laboratory (AIR), 40129 Bologna, Italy.
| | - Milvia Chicca
- Department of Life Science and Biotechnologies, Ferrara University, Italy
| | - Marilena Leis
- Department of Life Science and Biotechnologies, Ferrara University, Italy
| | - Carmela Vaccaro
- Department of Physics and Earth Sciences, Ferrara University, Italy
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Naas O, Mendez M, Quijada M, Gosselin S, Farah J, Choukri A, Visez N. Chemical modification of coating of Pinus halepensis pollen by ozone exposure. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 214:816-821. [PMID: 27155099 DOI: 10.1016/j.envpol.2016.04.076] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 04/07/2016] [Accepted: 04/21/2016] [Indexed: 06/05/2023]
Abstract
Pollen coating, located on the exine, includes an extractible lipid fraction. The modification of the pollen coating by air pollutants may have implications on the interactions of pollen with plant stigmas and human cells. Pinus halepensis pollen was exposed to ozone in vitro and the pollen coating was extracted with organic solvent and analyzed by GC-MS. Ozone has induced chemical changes in the coating as observed with an increase in dicarboxylic acids, short-chain fatty acids and aldehydes. 4-Hydroxybenzaldehyde was identified as the main reaction product and its formation was shown to occur both on native pollen and on defatted pollen. 4-Hydroxybenzaldehyde is very likely formed via the ozonolysis of acid coumaric-like monomers constitutive of the sporopollenin. Modification of pollen coating by air pollutants should be accounted for in further studies on effect of pollution on germination and on allergenicity.
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Affiliation(s)
- Oumsaad Naas
- Univ. Lille, CNRS, UMR 8522 - PC2A - Physicochimie des Processus de Combustion et de l'Atmosphère, F-59000, Lille, France; Laboratoire de Dispositifs Micro-ondes et Matériaux pour les Energies Renouvelables. DIMMER, Département d'Agronomie, Faculté des Sciences de la Nature et de la Vie, Equipe Biodiversité et Environnement, Université Ziane Achour, Djelfa, 17000, Algeria
| | - Maxence Mendez
- Univ. Lille, CNRS, UMR 8522 - PC2A - Physicochimie des Processus de Combustion et de l'Atmosphère, F-59000, Lille, France
| | - Melesio Quijada
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, F-59000, Lille, France
| | - Sylvie Gosselin
- Univ. Lille, CNRS, UMR 8522 - PC2A - Physicochimie des Processus de Combustion et de l'Atmosphère, F-59000, Lille, France
| | - Jinane Farah
- Univ. Lille, CNRS, UMR 8522 - PC2A - Physicochimie des Processus de Combustion et de l'Atmosphère, F-59000, Lille, France; Lebanese University, Faculty of Public Health (FSP III), Water & Environment Science, Tripoli, Lebanon
| | - Ali Choukri
- Etude et exploitation des propriétés technofonctionnelles des produits alimentaires, Laboratoire de Chimie Organique et Substances Naturelles, Département d'Agronomie, Faculté des Sciences de la Nature et de la Vie, Université Ziane Achour, Djelfa, 17000, Algeria
| | - Nicolas Visez
- Univ. Lille, CNRS, UMR 8522 - PC2A - Physicochimie des Processus de Combustion et de l'Atmosphère, F-59000, Lille, France.
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Sénéchal H, Visez N, Charpin D, Shahali Y, Peltre G, Biolley JP, Lhuissier F, Couderc R, Yamada O, Malrat-Domenge A, Pham-Thi N, Poncet P, Sutra JP. A Review of the Effects of Major Atmospheric Pollutants on Pollen Grains, Pollen Content, and Allergenicity. ScientificWorldJournal 2015; 2015:940243. [PMID: 26819967 PMCID: PMC4706970 DOI: 10.1155/2015/940243] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 10/30/2015] [Accepted: 11/09/2015] [Indexed: 12/12/2022] Open
Abstract
This review summarizes the available data related to the effects of air pollution on pollen grains from different plant species. Several studies carried out either on in situ harvested pollen or on pollen exposed in different places more or less polluted are presented and discussed. The different experimental procedures used to monitor the impact of pollution on pollen grains and on various produced external or internal subparticles are listed. Physicochemical and biological effects of artificial pollution (gaseous and particulate) on pollen from different plants, in different laboratory conditions, are considered. The effects of polluted pollen grains, subparticles, and derived aeroallergens in animal models, in in vitro cell culture, on healthy human and allergic patients are described. Combined effects of atmospheric pollutants and pollen grains-derived biological material on allergic population are specifically discussed. Within the notion of "polluen," some methodological biases are underlined and research tracks in this field are proposed.
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Affiliation(s)
- Hélène Sénéchal
- Allergy & Environment Team, Biochemistry Department, Armand Trousseau Children Hospital (AP-HP), 26 avenue du Dr. Arnold Netter, 75571 Paris, France
| | - Nicolas Visez
- Physical Chemistry of Combustion and Atmosphere Processes (PC2A), UMR CNRS 8522, University of Lille, 59655 Villeneuve d'Ascq, France
| | - Denis Charpin
- Pneumo-Allergology Department, North Hospital, 265 chemin des Bourrely, 13915 Marseille 20, France
| | - Youcef Shahali
- Allergy & Environment Team, Biochemistry Department, Armand Trousseau Children Hospital (AP-HP), 26 avenue du Dr. Arnold Netter, 75571 Paris, France
- Persiflore, 18 avenue du Parc, 91220 Le Plessis-Pâté, France
| | | | - Jean-Philippe Biolley
- SEVE Team, Ecology and Biology of Interactions (EBI), UMR-CNRS-UP 7267, University of Poitiers, 3 rue Jacques Fort, 86073 Poitiers, France
| | | | - Rémy Couderc
- Biochemistry Department, Armand Trousseau Children Hospital (AP-HP), 26 avenue du Dr. Arnold Netter, 75571 Paris 12, France
| | - Ohri Yamada
- French Agency for Food, Environmental and Occupational Health Safety, 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort, France
| | - Audrey Malrat-Domenge
- French Agency for Food, Environmental and Occupational Health Safety, 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort, France
| | - Nhân Pham-Thi
- Allergology Department, Pasteur Institute, 25-28 rue du Dr. Roux, 75724 Paris 15, France
| | - Pascal Poncet
- Allergy & Environment Team, Biochemistry Department, Armand Trousseau Children Hospital (AP-HP), 26 avenue du Dr. Arnold Netter, 75571 Paris, France
- Infections & Epidemiology Department, Pasteur Institute, 25-28 rue du Dr. Roux, 75724 Paris 15, France
| | - Jean-Pierre Sutra
- Allergy & Environment Team, Biochemistry Department, Armand Trousseau Children Hospital (AP-HP), 26 avenue du Dr. Arnold Netter, 75571 Paris, France
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Shahali Y, Poncet P, Sénéchal H. Pollinose aux Cupressacées et pollution atmosphérique. REVUE FRANCAISE D ALLERGOLOGIE 2013. [DOI: 10.1016/j.reval.2013.01.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Guimarães F, Duque L, Ribeiro H, Sousa R, Abreu I. Contribution of EPMA to airborne pollen analysis. ACTA ACUST UNITED AC 2012. [DOI: 10.1088/1757-899x/32/1/012009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wallace J, Nair P, Kanaroglou P. Atmospheric remote sensing to detect effects of temperature inversions on sputum cell counts in airway diseases. ENVIRONMENTAL RESEARCH 2010; 110:624-632. [PMID: 20704033 DOI: 10.1016/j.envres.2010.05.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Temperature inversions result in the accumulation of air pollution, often to levels exceeding air quality criteria. The respiratory response may be detectable in sputum cell counts. This study investigates the effect of boundary layer temperature inversions on sputum cell counts. Total and differential cell counts of neutrophils, eosinophils, macrophages and lymphocytes were quantified in sputum samples of patients attending an outpatient clinic. Temperature inversions were identified using data from the Atmospheric Infrared Sounder, an atmospheric sensor on the Aqua spacecraft which was launched in 2002 by the National Aeronautics and Space Administration. On inversion days, a statistically significant increase in the percent of cells that were neutrophils was observed in stable patients. There was also a statistically significant increase in the percent of cells that were macrophages, in exacerbated patients. Multivariate linear regression models were used to assess the relationship between temperature inversions and cell counts, controlling patients' age, smoking status, medications and meteorological variables of temperature and humidity. The analyses indicate that, in the stable and exacerbated groups, percent neutrophils and macrophages increased by 12.6% and 2.5%, respectively, on inversion days. These results suggest that temperature inversions need consideration as an exacerbating factor in bronchitis and obstructive airway disease. The effects of air pollutants, nitrogen dioxide, carbon monoxide, fine particulate matter and ozone, were investigated. We identified no significant associations with any pollutant. However, we found that monthly averages of total cell counts were strongly correlated with monthly nitrogen dioxide concentrations, an association not previously identified in the literature.
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Affiliation(s)
- Julie Wallace
- School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario,
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