Traffic-related air pollution, APOEε4 status, and neurodevelopmental outcomes among school children enrolled in the BREATHE project (Catalonia, Spain)

Alemany, Silvia; Vilor Tejedor, Natàlia, 1988-; García Esteban, Raquel; Bustamante Pineda, Mariona; Dadvand, Payam; Esnaola, Mikel; Mortamais, Marion; Forns i Guzman, Joan, 1981-; van Drooge, Barend L.; Álvarez Pedrerol, Mar; Grimalt Obrador, Joan; Rivas, Ioar; Querol, Xavier; Pujol Martí, Jesús, 1981-; Sunyer Deu, Jordi

Traffic-related air pollution, APOEε4 status, and neurodevelopmental outcomes among school children enrolled in the BREATHE project (Catalonia, Spain)

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dc.contributor.author Alemany, Silvia
dc.contributor.author Vilor Tejedor, Natàlia, 1988-
dc.contributor.author García Esteban, Raquel
dc.contributor.author Bustamante Pineda, Mariona
dc.contributor.author Dadvand, Payam
dc.contributor.author Esnaola, Mikel
dc.contributor.author Mortamais, Marion
dc.contributor.author Forns i Guzman, Joan, 1981-
dc.contributor.author van Drooge, Barend L.
dc.contributor.author Álvarez Pedrerol, Mar
dc.contributor.author Grimalt Obrador, Joan
dc.contributor.author Rivas, Ioar
dc.contributor.author Querol, Xavier
dc.contributor.author Pujol Martí, Jesús, 1981-
dc.contributor.author Sunyer Deu, Jordi
dc.date.accessioned 2019-04-10T07:36:17Z
dc.date.available 2019-04-10T07:36:17Z
dc.date.issued 2018
dc.description.abstract BACKGROUND: Traffic-related air pollution is emerging as a risk factor for Alzheimer's disease (AD) and impaired brain development. Individual differences in vulnerability to air pollution may involve the ε4 allele of Apolipoprotein E (APOE) gene, the primary genetic risk factor for AD. OBJECTIVE: We analyzed whether the association between traffic air pollution and neurodevelopmental outcomes is modified by APOEε4 status in children. METHODS: Data on parent-reported behavior problems (total difficulties scores, Strengths and Difficulties Questionnaire), teacher-reported attention-deficit hyperactivity disorder (ADHD) symptom scores, cognitive performance trajectories (computerized tests of inattentiveness and working memory repeated 2-4 times during January 2012-March 2013), and APOE genotypes were obtained for 1,667 children age 7-11 y attending 39 schools in or near Barcelona. Basal ganglia volume (putamen, caudate, and globus pallidum) was measured in 163 of the children by MRI (October 2012-April 2014.) Average annual outdoor polycyclic aromatic hydrocarbons (PAHs), elemental carbon (EC), and nitrogen dioxide (NO2) concentrations were estimated based on measurements at each school (two 1-wk campaigns conducted 6 months apart in 2012). RESULTS: APOEε4 allele carriers had significantly higher behavior problem scores than noncarriers, and adverse associations with PAHs and NO2 were stronger or limited to ε4 carriers for behavior problem scores (P-interaction 0.03 and 0.04), caudate volume (P-interaction 0.04 and 0.03), and inattentiveness trajectories (P-interaction 0.15 and 0.08, respectively). Patterns of associations with the same outcomes were similar for EC. CONCLUSION: PAHs, EC, and NO2 were associated with higher behavior problem scores, smaller reductions in inattentiveness over time, and smaller caudate volume in APOEε4 allele carriers in our study population, and corresponding associations were weak or absent among ε4 noncarriers. These findings support a potential role of APOE in biological mechanisms that may contribute to associations between air pollution and neurobehavioral outcomes in children. https://doi.org/10.1289/EHP2246.
dc.description.sponsorship The research leading to these results has received funding from the European Research Council under the ERC Grant Agreement number 268479 – the BREATHE project. ISGlobal is a member of the CERCA Programme, Generalitat de Catalunya. We thank the La Caixa Foundation for their financial support in the PAHs analyses. S. Alemany is funded by a Sara Borrell postdoctoral grant (CD14/00214) from the Instituto de Salud Carlos III. N. Vilor-Tejedor is funded by a pre-doctoral grant from the Agència de Gestió d′Ajuts Universitaris i de Recerca (2015 FI_B 00636) Generalitat de Catalunya – Fons Social Europeu (FSE). P. Dadvand is funded by a Ramón y Cajal fellowship (RYC-2012-10995) awarded by the Spanish Ministry of Economy and Finance.
dc.format.mimetype application/pdf
dc.identifier.citation Alemany S, Vilor-Tejedor N, García-Esteban R, Bustamante M, Dadvand P, Esnaola M et al. Traffic-related air pollution, APOEε4 status, and neurodevelopmental outcomes among school children enrolled in the BREATHE project (Catalonia, Spain). Environ Health Perspect. 2018 Aug 2;126(8):087001. DOI: 10.1289/EHP2246
dc.identifier.doi http://dx.doi.org/10.1289/EHP2246
dc.identifier.issn 0091-6765
dc.identifier.uri http://hdl.handle.net/10230/37070
dc.language.iso eng
dc.publisher National Institute of Environmental Health Sciences (NIEHS)
dc.relation.ispartof Environmental Health Perspectives. 2018 Aug 2;126(8):087001
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/268479
dc.rights Reproduced with permission from Environmental Health Perspectives
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.subject.other Aire -- Contaminació -- Catalunya
dc.title Traffic-related air pollution, APOEε4 status, and neurodevelopmental outcomes among school children enrolled in the BREATHE project (Catalonia, Spain)
dc.type info:eu-repo/semantics/article
dc.type.version info:eu-repo/semantics/publishedVersion

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Articles (Hospital del Mar Research Institute)
Articles (Barcelona Institute for Global Health (ISGlobal) – Campus Mar)
Articles (Departament de Medicina i Ciències de la Vida)
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