{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T23:34:10Z","timestamp":1792625650309,"version":"4.5.0"},"reference-count":45,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2015,4,20]],"date-time":"2015-04-20T00:00:00Z","timestamp":1429488000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","award":["FOOD-CT-2004-506378"],"award-info":[{"award-number":["FOOD-CT-2004-506378"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Allergy"],"published-print":{"date-parts":[[2015,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Exposure to indoor allergens during early life may play a role in the development of the immune system and inception of asthma.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To describe the house dust mite (<jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content>) allergen concentrations in bedroom dust during early life and to evaluate its associations with <jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content> sensitization, wheezing, and asthma, from birth to school age, in 5 geographically spread European birth cohorts.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We included 4334 children from <jats:styled-content style=\"fixed-case\">INMA<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">M<\/jats:styled-content>enorca (<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>pain), <jats:styled-content style=\"fixed-case\">BAMSE<\/jats:styled-content> (<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>weden), <jats:styled-content style=\"fixed-case\">LISA<\/jats:styled-content>plus and <jats:styled-content style=\"fixed-case\">MAS<\/jats:styled-content> (<jats:styled-content style=\"fixed-case\">G<\/jats:styled-content>ermany), and <jats:styled-content style=\"fixed-case\">PIAMA<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">NHS<\/jats:styled-content> (the <jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>etherlands). Dust samples were collected from bedrooms during early life and analyzed for <jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>ermatophagoides pteronyssinus<\/jats:italic> (<jats:italic>Der p1<\/jats:italic>) and <jats:italic>Dermatophagoides farinae<\/jats:italic> (<jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>er f1<\/jats:italic>). <jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content> concentrations were divided into four categories. Sensitization was determined by specific <jats:styled-content style=\"fixed-case\">I<\/jats:styled-content>g<jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>. Wheezing and asthma information up to 8\/10\u00a0years was collected through questionnaires. We performed mixed\u2010effects logistic regression models and expressed associations as odds ratios with 95% confidence intervals.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>House dust mite concentrations varied across cohorts. Mean allergen concentrations were highest in <jats:styled-content style=\"fixed-case\">INMA<\/jats:styled-content>\u2010Menorca (geometric mean (<jats:styled-content style=\"fixed-case\">GM<\/jats:styled-content>) <jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>er p1\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>3.3\u00a0\u03bcg\/g) and <jats:styled-content style=\"fixed-case\">LISA<\/jats:styled-content>plus (<jats:styled-content style=\"fixed-case\">GM <\/jats:styled-content><jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>er f1\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>2.1\u00a0\u03bcg\/g) and lowest in <jats:styled-content style=\"fixed-case\">BAMSE<\/jats:styled-content> (<jats:styled-content style=\"fixed-case\">GM <\/jats:styled-content><jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>er p1\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.1\u00a0\u03bcg\/g, <jats:italic><jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>er f1\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.3\u00a0\u03bcg\/g). Moderate and high <jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content> concentrations were significantly (<jats:italic>P<\/jats:italic>\u2010values\u00a0&lt;\u00a00.05) associated with 50\u201390% higher prevalence of <jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content> sensitization. No significant associations were observed with respiratory outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our study based on geographically spread regions, a large sample size, and a wide range of allergen concentration shows that <jats:styled-content style=\"fixed-case\">HDM<\/jats:styled-content> allergen concentrations vary across regions and that exposure during early life plays a role in the development of allergic sensitization but not in the development of respiratory outcomes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/all.12626","type":"journal-article","created":{"date-parts":[[2015,4,8]],"date-time":"2015-04-08T07:38:26Z","timestamp":1428478706000},"page":"820-827","source":"Crossref","is-referenced-by-count":48,"title":["Early\u2010life house dust mite allergens, childhood mite sensitization, and respiratory outcomes"],"prefix":"10.1111","volume":"70","author":[{"given":"L.","family":"Casas","sequence":"first","affiliation":[{"name":"Department of Public Health and Primary Care Centre for Environment and Health KU Leuven Leuven Belgium"},{"name":"Centre for Research in Environmental Epidemiology (CREAL) Barcelona Spain"},{"name":"CIBER Epidemiologia y Salud P\u00fablica (CIBERESP) Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Sunyer","sequence":"additional","affiliation":[{"name":"Centre for Research in Environmental Epidemiology (CREAL) Barcelona Spain"},{"name":"CIBER Epidemiologia y Salud P\u00fablica (CIBERESP) Barcelona Spain"},{"name":"Hospital del Mar Medical Research Institute (IMIM) Barcelona Spain"},{"name":"Universitat Pompeu Fabra (UPF) Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Tischer","sequence":"additional","affiliation":[{"name":"Helmholtz Zentrum M\u00fcnchen German Research Centre for Environmental Health Institute of Epidemiology I Neuherberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"U.","family":"Gehring","sequence":"additional","affiliation":[{"name":"Division of Environmental Epidemiology Institute for Risk Assessment Sciences Utrecht University Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Wickman","sequence":"additional","affiliation":[{"name":"Department of Clinical Science and Education S\u00f6dersjukhuset Karolinska Institutet Stockholm Sweden"},{"name":"Sach's Children's Hospital Stockholm Sweden"},{"name":"Institute for Environmental Medicine Karolinska Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Garcia\u2010Esteban","sequence":"additional","affiliation":[{"name":"Centre for Research in Environmental Epidemiology (CREAL) Barcelona Spain"},{"name":"CIBER Epidemiologia y Salud P\u00fablica (CIBERESP) Barcelona Spain"},{"name":"Hospital del Mar Medical Research Institute (IMIM) Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I.","family":"Lehmann","sequence":"additional","affiliation":[{"name":"Department of Environmental Immunology FZ\u2013Helmholtz Centre for Environmental Research Leipzig Leipzig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I.","family":"Kull","sequence":"additional","affiliation":[{"name":"Department of Clinical Science and Education S\u00f6dersjukhuset Karolinska Institutet Stockholm Sweden"},{"name":"Sach's Children's Hospital Stockholm Sweden"},{"name":"Institute for Environmental Medicine Karolinska Institutet Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Reich","sequence":"additional","affiliation":[{"name":"Institute of Social Medicine, Epidemiology and Health Economics Charit\u00e9 \u2010 Universit\u00e4tsmedizin Berlin Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Lau","sequence":"additional","affiliation":[{"name":"Klinik f\u00fcr P\u00e4diatrie m. 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