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Chatterjee N, González-Durruthy M, Costa MD, Ribeiro AR, Vilas-Boas V, Vilasboas-Campos D, Maciel P, Alfaro-Moreno E. Differential impact of diesel exhaust particles on glutamatergic and dopaminergic neurons in Caenorhabditis elegans: A neurodegenerative perspective. ENVIRONMENT INTERNATIONAL 2024; 186:108597. [PMID: 38579453 DOI: 10.1016/j.envint.2024.108597] [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: 12/29/2023] [Revised: 02/29/2024] [Accepted: 03/21/2024] [Indexed: 04/07/2024]
Abstract
The growing body of evidence links exposure to particulate matter pollutants with an increased risk of neurodegenerative diseases. In the present study, we investigated whether diesel exhaust particles can induce neurobehavioral alterations associated with neurodegenerative effects on glutamatergic and dopaminergic neurons in Caenorhabditis elegans (C. elegans). Exposure to DEP at concentrations of 0.167 µg/cm2 and 1.67 µg/cm2 resulted in significant developmental delays and altered locomotion behaviour. These effects were accompanied by discernible alterations in the expressions of antioxidant genes sod-3 and gst-4 observed in transgenic strains. Behaviour analysis demonstrated a significant reduction in average speed (p < 0.001), altered paths, and decreased swimming activities (p < 0.01), particularly at mid and high doses. Subsequent assessment of neurodegeneration markers in glutamatergic (DA1240) and dopaminergic (BZ555) transgenic worms revealed notable glutamatergic neuron degeneration at 0.167 μg/cm2 (∼30 % moderate, ∼20 % advanced) and 1.67 μg/cm2 (∼28 % moderate, ∼24 % advanced, p < 0.0001), while dopaminergic neurons exhibited structural deformities (∼16 %) without significant degeneration in terms of blebs and breaks. Furthermore, in silico docking simulations suggest the presence of an antagonistic competitive inhibition induced by DEP in the evaluated neuro-targets, stronger for the glutamatergic transporter than for the dopaminergic receptor from the comparative binding affinity point of view. The results underscore DEP's distinctive neurodegenerative effects and suggest a link between locomotion defects and glutamatergic neurodegeneration in C. elegans, providing insights into environmental health risks assessment.
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Affiliation(s)
- Nivedita Chatterjee
- NanoSafety Group, International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal.
| | | | - Marta Daniela Costa
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimaraes, Portugal
| | - Ana R Ribeiro
- NanoSafety Group, International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal
| | - Vânia Vilas-Boas
- NanoSafety Group, International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal
| | - Daniela Vilasboas-Campos
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimaraes, Portugal
| | - Patrícia Maciel
- Life and Health Sciences Research Institute, School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimaraes, Portugal
| | - Ernesto Alfaro-Moreno
- NanoSafety Group, International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal.
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2
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Margolis AE, Greenwood P, Dranovsky A, Rauh V. The Role of Environmental Chemicals in the Etiology of Learning Difficulties: A Novel Theoretical Framework. MIND, BRAIN AND EDUCATION : THE OFFICIAL JOURNAL OF THE INTERNATIONAL MIND, BRAIN, AND EDUCATION SOCIETY 2023; 17:301-311. [PMID: 38389544 PMCID: PMC10881209 DOI: 10.1111/mbe.12354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/09/2023] [Indexed: 02/24/2024]
Abstract
Children from economically disadvantaged communities have a disproportionate risk of exposure to chemicals, social stress, and learning difficulties. Although animal models and epidemiologic studies link exposures and neurodevelopment, little focus has been paid to academic outcomes in environmental health studies. Similarly, in the educational literature, environmental chemical exposures are overlooked as potential etiologic factors in learning difficulties. We propose a theoretical framework for the etiology of learning difficulties that focuses on these understudied exogenous factors. We discuss findings from animal models and longitudinal, prospective birth cohort studies that support this theoretical framework. Studies reviewed point to the effects of prenatal exposure to polycyclic aromatic hydrocarbons on reading comprehension and math skills via effects on inhibitory control processes. Long term, this work will help close the achievement gap in the United States by identifying behavioral and neural pathways from prenatal exposures to learning difficulties in children from economically disadvantaged families.
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Affiliation(s)
- Amy E. Margolis
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Columbia University Irving Medical Center
- New York State Psychiatric Institute
| | - Paige Greenwood
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Columbia University Irving Medical Center
| | - Alex Dranovsky
- New York State Psychiatric Institute
- Division of Neuroscience, Department of Psychiatry, Columbia University Irving Medical Center
| | - Virginia Rauh
- Population and Family Health, Mailman School of Public Health, Columbia University Irving Medical Center
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3
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Grippo A, Zhu K, Yeung EH, Bell EM, Bonner MR, Tian L, Mendola P, Mu L. Indoor air pollution exposure and early childhood development in the Upstate KIDS Study. ENVIRONMENTAL RESEARCH 2023; 234:116528. [PMID: 37419197 DOI: 10.1016/j.envres.2023.116528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/23/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
BACKGROUND Limited human studies have investigated the impact of indoor air pollution on early childhood neurodevelopment among the US population. We aimed to examine the associations between prenatal and postnatal indoor air pollution exposure and early childhood development in a population-based birth cohort. METHODS This analysis included 4735 mother-child pairs enrolled between 2008 and 2010 in the Upstate KIDS Study. Indoor air pollution exposure from cooking fuels, heating fuels, and passive smoke during pregnancy, and at 12 and 36 months after birth were assessed by questionnaires. Five domains of child development were assessed by the Ages and Stages Questionnaire at 4, 8, 12, 18, 24, 30, and 36 months. Generalized estimating equations were used to estimate odds ratios (ORs) and 95% confidence intervals (CIs), adjusting for potential confounders. RESULTS Exposure to unclean cooking fuels (natural gas, propane, or wood) throughout the study period was associated with increased odds of failing any development domain (OR = 1.28, 95% CI 1.07, 1.53), the gross motor domain (OR = 1.52, 95% CI: 1.09, 2.13), and the personal-social domain (OR = 1.36, 95% CI: 1.00, 1.85), respectively. Passive smoke exposure throughout the study period increased the odds of failing the problem-solving domain by 71% (OR = 1.71, 95% CI 1.01, 2.91) among children of non-smoking mothers. No association was found between heating fuel use and failing any or specific domains. CONCLUSION Unclean cooking fuel use and passive smoke exposure during pregnancy and early life were associated with developmental delays in this large prospective birth cohort.
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Affiliation(s)
- Alexandra Grippo
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Kexin Zhu
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Edwina H Yeung
- Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Erin M Bell
- Department of Environmental Health Sciences and Epidemiology and Biostatistics, University at Albany School of Public Health, Rensselaer, NY, USA
| | - Matthew R Bonner
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Lili Tian
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Pauline Mendola
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Lina Mu
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA.
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4
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Chen TC, Lo YC, Li SJ, Lin YC, Chang CW, Liang YW, Laiman V, Hsiao TC, Chuang HC, Chen YY. Assessing traffic-related air pollution-induced fiber-specific white matter degradation associated with motor performance declines in aged rats. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115373. [PMID: 37619400 DOI: 10.1016/j.ecoenv.2023.115373] [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: 02/06/2023] [Revised: 07/02/2023] [Accepted: 08/13/2023] [Indexed: 08/26/2023]
Abstract
Fine particulate matter (PM2.5) is thought to exacerbate Parkinson's disease (PD) in the elderly, and early detection of PD progression may prevent further irreversible damage. Therefore, we used diffusion tensor imaging (DTI) for probing microstructural changes after late-life chronic traffic-related PM2.5 exposure. Herein, 1.5-year-old Fischer 344 rats were exposed to clean air (control), high-efficiency particulate air (HEPA)-filtered ambient air (HEPA group), and ambient traffic-related PM2.5 (PM2.5 group, 9.933 ± 1.021 µg/m3) for 3 months. Rotarod test, DTI tractographic analysis, and immunohistochemistry were performed in the end of study period. Aged rats exposed to PM2.5 exhibited motor impairment with decreased fractional anisotropy and tyrosine hydroxylase expression in olfactory and nigrostriatal circuits, indicating disrupted white matter integrity and dopaminergic (DA) neuronal loss. Additionally, increased radial diffusivity and lower expression of myelin basic protein in PM2.5 group suggested ageing progression of demyelination exacerbated by PM2.5 exposure. Significant production of tumor necrosis factor-α was also observed after PM2.5 exposure, revealing potential inflammation of injury to multiple fiber tracts of DA pathways. Microstructural changes demonstrated potential links between PM2.5-induced inflammatory white matter demyelination and behavioral performance, with indication of pre-manifestation of DTI-based biomarkers for early detection of PD progression in the elderly.
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Affiliation(s)
- Ting-Chieh Chen
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan
| | - Yu-Chun Lo
- Ph.D. Program in Medical Neuroscience, Taipei Medical University, Taipei Medical University, No. 250 Wu-Xing St., Taipei 11031, Taiwan
| | - Ssu-Ju Li
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan
| | - Yi-Chen Lin
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan
| | - Ching-Wen Chang
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan
| | - Yao-Wen Liang
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan
| | - Vincent Laiman
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, 250 Wu-Xing St., Taipei 11031, Taiwan; Department of Anatomical Pathology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada - Dr. Sardjito Hospital, Yogyakarta 55281, Indonesia
| | - Ta-Chih Hsiao
- Graduate Institute of Environmental Engineering, National Taiwan University, 1 Roosevelt Rd., Section 4, Taipei 10617, Taiwan
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, 250 Wu-Xing St., Taipei 11031, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, 291 Zhongzheng Rd., Zhonghe Dist., New Taipei City 23561, Taiwan; Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, 111 Xinglong Rd., Section 3, Wenshan Dist., Taipei 11696, Taiwan; National Heart & Lung Institute, Imperial College London, London SW3 6LY, UK.
| | - You-Yin Chen
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, 155 Linong St., Section 2, Taipei 11221, Taiwan; Ph.D. Program in Medical Neuroscience, Taipei Medical University, Taipei Medical University, No. 250 Wu-Xing St., Taipei 11031, Taiwan.
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5
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Ruiz-Sobremazas D, Rodulfo-Cárdenas R, Ruiz-Coca M, Morales-Navas M, Teresa Colomina M, López-Granero C, Sánchez-Santed F, Perez-Fernandez C. Uncovering the link between air pollution and neurodevelopmental alterations during pregnancy and early life exposure: A systematic review. Neurosci Biobehav Rev 2023; 152:105314. [PMID: 37442496 DOI: 10.1016/j.neubiorev.2023.105314] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 06/09/2023] [Accepted: 07/08/2023] [Indexed: 07/15/2023]
Abstract
Air pollution plays, nowadays, a huge role in human's health and in the personal economy. Moreover, there has been a rise in the prevalence of neurodevelopmental disorders like the Autism Spectrum Disorder (ASD) in recent years. Current scientific studies have established a link between prenatal or perinatal exposure to environmental pollutants and ASD. This systematic review summarizes the current literature available about the relationship between exposure to air pollutants (particulate matter [PM], Second Organic Aerosols [SOA], Diesel Exhaust [DE], and Traffic Related Air Pollution [TRAP]) and neurodevelopmental disorders in preclinical models using rats and mice. The articles were selected and filtered using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology, and bias-evaluated using the SYstematic Review Centre for Laboratory animal Experimentation (SYRCLE) tool. Overall, our findings suggest that air pollutants are associated with negative developmental outcomes characterized by ASD-like behaviors, abnormal biochemical patterns, and impaired achievement of developmental milestones in rodents. However, there is not sufficient information in certain domains to establish a clear relationship. Short phrases for indexing terms: Air pollution affects neurodevelopment; PM exposure modifies glutamate system; Prenatal exposure combined with postnatal affect more to behavioral / cognitive domain; Air pollution modifies social behavior in rodents; Cognitive deficits can be detected after gestational exposure to air pollution.
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Affiliation(s)
- Diego Ruiz-Sobremazas
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain
| | - Rocío Rodulfo-Cárdenas
- Universitat Rovira i Virgili, Research Group in Neurobehavior and Health (NEUROLAB), Tarragona, Spain; Universitat Rovira i Virgili, Department of Psychology and Research Center for Behavior Assessment (CRAMC), Tarragona, Spain; Universitat Rovira i Virgili, Laboratory of Toxicology and Environmental Health, School of Medicine, Reus, Spain
| | - Mario Ruiz-Coca
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain
| | - Miguel Morales-Navas
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain
| | - Maria Teresa Colomina
- Universitat Rovira i Virgili, Research Group in Neurobehavior and Health (NEUROLAB), Tarragona, Spain; Universitat Rovira i Virgili, Department of Psychology and Research Center for Behavior Assessment (CRAMC), Tarragona, Spain; Universitat Rovira i Virgili, Laboratory of Toxicology and Environmental Health, School of Medicine, Reus, Spain
| | | | - Fernando Sánchez-Santed
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain
| | - Cristian Perez-Fernandez
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain.
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Xu L, Li Y, Ma W, Sun X, Fan R, Jin Y, Chen N, Zhu X, Guo H, Zhao K, Luo J, Li C, Zheng Y, Yu D. Diesel exhaust particles exposure induces liver dysfunction: Exploring predictive potential of human circulating microRNAs signature relevant to liver injury risk. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:132060. [PMID: 37454487 DOI: 10.1016/j.jhazmat.2023.132060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/30/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Diesel exhaust particles (DEP) pollution should be taken seriously because it is an extensive environmental and occupational health concern. Exploring early effect biomarkers is crucial for monitoring and managing DEP-associated health risk assessment. Here, we found that serum levels of 67 miRNAs were dysregulated in DEP exposure group. Notably, 20 miRNAs were identified as each having a significant dose-response relationship with the internal exposure level of DEP. Further, we revealed that the DEP exposure could affect the liver function of subjects and that 7 miRNAs (including the well-known liver injury indicator, miR-122-5p) could serve as the novel epigenetic-biomarkers (epi-biomarkers) to reflect the liver-specific response to the DEP exposure. Importantly, an unprecedented prediction model using these 7 miRNAs was established for the assessment of DEP-induced liver injury risk. Finally, bioinformatic analysis indicated that the unique set of miRNA panel in serum might also contribute to the molecular mechanism of DEP exposure-induced liver damage. These results broaden our understanding of the adverse health outcomes of DEP exposure. Noteworthy, we believe this study could shed light on roles and functions of epigenetic biomarkers from environmental exposure to health outcomes by revealing the full chain of exposure-miRNAs-molecular pathways-disease evidence.
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Affiliation(s)
- Lin Xu
- School of Public Health, Qingdao University, Qingdao, China
| | - Yanting Li
- School of Public Health, Qingdao University, Qingdao, China
| | - Wanli Ma
- School of Public Health, Qingdao University, Qingdao, China
| | - Xueying Sun
- School of Public Health, Qingdao University, Qingdao, China
| | - Rongrong Fan
- School of Public Health, Qingdao University, Qingdao, China
| | - Yuan Jin
- School of Public Health, Qingdao University, Qingdao, China
| | - Ningning Chen
- School of Public Health, Qingdao University, Qingdao, China
| | - Xiaoxiao Zhu
- School of Public Health, Qingdao University, Qingdao, China
| | - Huan Guo
- School of Public Health, Huazhong University of Science and Technology, Wuhan, China
| | - Kunming Zhao
- School of Public Health, Qingdao University, Qingdao, China
| | - Jiao Luo
- School of Public Health, Qingdao University, Qingdao, China
| | - Chuanhai Li
- School of Public Health, Qingdao University, Qingdao, China
| | - Yuxin Zheng
- School of Public Health, Qingdao University, Qingdao, China
| | - Dianke Yu
- School of Public Health, Qingdao University, Qingdao, China.
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7
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Parasin N, Amnuaylojaroen T, Saokaew S. Exposure to PM 10, PM 2.5, and NO 2 and gross motor function in children: a systematic review and meta-analysis. Eur J Pediatr 2023; 182:1495-1504. [PMID: 36754867 DOI: 10.1007/s00431-023-04834-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 02/10/2023]
Abstract
Air pollution exposure has been related to negative gross motor development in children. However, there is currently a lack of conclusive evidence for such a relationship. We carried out a systematic review and meta-analysis using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria to examine whether exposure to air pollution has an impact on children's gross motor development. Of the 9746 papers found, 7 studies examined the impact of air pollutant characteristics, such as PM2.5, PM10, and NO2, on children's gross motor development. The results of the study reveal a significant association between air pollutants and an increased likelihood of negative gross motor development. PM10 was discovered to be considerably riskier for children's gross motor development (effect: - 1.83, 95% CI: - 3.04, - 0.62, p value = 0.002). Additionally, NO2 exhibited indications of a tendency to be connected to a detrimental impact on children's gross motor development (effect - 0.18, 95% CI: - 0.42, 0.07, p value = 0.097). Conclusion: Our study indicates that exposure to PM10, PM2.5, and NO2, especially PM2.5 and PM10, is negatively associated with children's gross motor development. However, further research is required to determine how exposure to prenatal air pollution affects children's gross motor development. What is Known - What is New: • In this study, we provide an overview of emerging data related to PM10, PM2.5, and NO2 exposure in child development, especially on the gross motor function that continues to emerge, and key findings are highlighted. • Additionally, we summarize the evidence on the underlying effect of air pollution on gross motor function from human studies.. • Overall, we emphasize that evidence from human studies is critical in suggesting detrimental child health outcomes of an action to promote preventive strategies that will effectively protect children's health..
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Affiliation(s)
- Nichapa Parasin
- School of Allied Health Science, University of Phayao, Phayao, Thailand, 56000
| | - Teerachai Amnuaylojaroen
- School of Energy and Environment, University of Phayao, Phayao, Thailand, 56000.
- Atmospheric Pollution and Climate Change Research Units, School of Energy and Environment, University of Phayao, Phayao, Thailand, 56000.
| | - Surasak Saokaew
- Division of Social and Administrative Pharmacy, Department of Pharmaceutical Care, School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand, 56000
- Unit of Excellence On Clinical Outcomes Research and IntegratioN (UNICORN), School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand, 56000
- Center of Health Outcomes Research and Therapeutic Safety (Cohorts), School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand, 56000
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8
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Rahman MM, Carter SA, Lin JC, Chow T, Yu X, Martinez MP, Chen Z, Chen JC, Rud D, Lewinger JP, van Donkelaar A, Martin RV, Eckel SP, Schwartz J, Lurmann F, Kleeman MJ, McConnell R, Xiang AH. Associations of Autism Spectrum Disorder with PM 2.5 Components: A Comparative Study Using Two Different Exposure Models. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:405-414. [PMID: 36548990 PMCID: PMC10898516 DOI: 10.1021/acs.est.2c05197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This retrospective cohort study examined associations of autism spectrum disorder (ASD) with prenatal exposure to major fine particulate matter (PM2.5) components estimated using two independent exposure models. The cohort included 318 750 mother-child pairs with singleton deliveries in Kaiser Permanente Southern California hospitals from 2001 to 2014 and followed until age five. ASD cases during follow-up (N = 4559) were identified by ICD codes. Prenatal exposures to PM2.5, elemental (EC) and black carbon (BC), organic matter (OM), nitrate (NO3-), and sulfate (SO42-) were constructed using (i) a source-oriented chemical transport model and (ii) a hybrid model. Exposures were assigned to each maternal address during the entire pregnancy, first, second, and third trimester. In single-pollutant models, ASD was associated with pregnancy-average PM2.5, EC/BC, OM, and SO42- exposures from both exposure models, after adjustment for covariates. The direction of effect estimates was consistent for EC/BC and OM and least consistent for NO3-. EC/BC, OM, and SO42- were generally robust to adjustment for other components and for PM2.5. EC/BC and OM effect estimates were generally larger and more consistent in the first and second trimester and SO42- in the third trimester. Future PM2.5 composition health effect studies might consider using multiple exposure models and a weight of evidence approach when interpreting effect estimates.
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Affiliation(s)
- Md Mostafijur Rahman
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Sarah A Carter
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California 91101, United States
| | - Jane C Lin
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California 91101, United States
| | - Ting Chow
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California 91101, United States
| | - Xin Yu
- Spatial Science Institute, University of Southern California, Los Angeles, California 90089, United States
| | - Mayra P Martinez
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California 91101, United States
| | - Zhanghua Chen
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Jiu-Chiuan Chen
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Daniel Rud
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Juan P Lewinger
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Aaron van Donkelaar
- Department of Energy, Environmental & Chemical Engineering, Washington University at St. Louis, St. Louis, Missouri 63130, United States
| | - Randall V Martin
- Department of Energy, Environmental & Chemical Engineering, Washington University at St. Louis, St. Louis, Missouri 63130, United States
| | - Sandrah Proctor Eckel
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, United States
| | - Fred Lurmann
- Sonoma Technology, Inc., Petaluma, California 94954, United States
| | - Michael J Kleeman
- Department of Civil and Environmental Engineering, University of California, Davis, Davis, California 95616, United States
| | - Rob McConnell
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California 90032, United States
| | - Anny H Xiang
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, California 91101, United States
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9
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Rahman MM, Carter SA, Lin JC, Chow T, Yu X, Martinez MP, Levitt P, Chen Z, Chen JC, Rud D, Lewinger JP, Eckel SP, Schwartz J, Lurmann FW, Kleeman MJ, McConnell R, Xiang AH. Prenatal exposure to tailpipe and non-tailpipe tracers of particulate matter pollution and autism spectrum disorders. ENVIRONMENT INTERNATIONAL 2023; 171:107736. [PMID: 36623380 PMCID: PMC9943058 DOI: 10.1016/j.envint.2023.107736] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 12/08/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Traffic-related air pollution exposure is associated with increased risk of autism spectrum disorder (ASD). It is unknown whether carbonaceous material from vehicular tailpipe emissions or redox-active non-tailpipe metals, eg. from tire and brake wear, are responsible. We assessed ASD associations with fine particulate matter (PM2.5) tracers of tailpipe (elemental carbon [EC] and organic carbon [OC]) and non-tailpipe (copper [Cu]; iron [Fe] and manganese [Mn]) sources during pregnancy in a large cohort. METHODS This retrospective cohort study included 318,750 children born in Kaiser Permanente Southern California (KPSC) hospitals during 2001-2014, followed until age 5. ASD cases were identified by ICD codes. Monthly estimates of PM2.5 and PM2.5 constituents EC, OC, Cu, Fe, and Mn with 4 km spatial resolution were obtained from a source-oriented chemical transport model. These exposures and NO2 were assigned to each maternal address during pregnancy, and associations with ASD were assessed using Cox regression models adjusted for covariates. PM constituent effect estimates were adjusted for PM2.5 and NO2 to assess independent effects. To distinguish ASD risk associated with non-tailpipe from tailpipe sources, the associations with Cu, Fe, and Mn were adjusted for EC and OC, and vice versa. RESULTS There were 4559 children diagnosed with ASD. In single-pollutant models, increased ASD risk was associated with gestational exposures to tracers of both tailpipe and non-tailpipe emissions. The ASD hazard ratios (HRs) per inter-quartile increment of exposure) for EC, OC, Cu, Fe, and Mn were 1.11 (95% CI: 1.06-1.16), 1.09 (95% CI: 1.04-1.15), 1.09 (95% CI: 1.04-1.13), 1.14 (95% CI: 1.09-1.20), and 1.17 (95% CI: 1.12-1.22), respectively. Estimated effects of Cu, Fe, and Mn (reflecting non-tailpipe sources) were largely unchanged in two-pollutant models adjusting for PM2.5, NO2, EC or OC. In contrast, ASD associations with EC and OC were markedly attenuated by adjustment for non-tailpipe sources. CONCLUSION Results suggest that non-tailpipe emissions may contribute to ASD. Implications are that reducing tailpipe emissions, especially from vehicles with internal combustion engines, may not eliminate ASD associations with traffic-related air pollution.
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Affiliation(s)
- Md Mostafijur Rahman
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Sarah A Carter
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Jane C Lin
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Ting Chow
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Xin Yu
- Spatial Science Institute, University of Southern California, Los Angeles, CA, USA
| | - Mayra P Martinez
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Pat Levitt
- Department of Pediatrics, Keck School of Medicine, Program in Developmental Neuroscience and Neurogenetics, The Saban Research Institute, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Zhanghua Chen
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Jiu-Chiuan Chen
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Daniel Rud
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Juan Pablo Lewinger
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Sandrah P Eckel
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | | | - Michael J Kleeman
- Department of Civil and Environmental Engineering, University of California, Davis, Davis, CA, USA
| | - Rob McConnell
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Anny H Xiang
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA.
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10
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Shang M, Tang M, Xue Y. Neurodevelopmental toxicity induced by airborne particulate matter. J Appl Toxicol 2023; 43:167-185. [PMID: 35995895 DOI: 10.1002/jat.4382] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 11/08/2022]
Abstract
Airborne particulate matter (PM), the primary component associated with health risks in air pollution, can negatively impact human health. Studies have shown that PM can enter the brain by inhalation, but data on the exact quantity of particles that reach the brain are unknown. Particulate matter exposure can result in neurotoxicity. Exposure to PM poses a greater health risk to infants and children because their nervous systems are not fully developed. This review paper highlights the association between PM and neurodevelopmental toxicity (NDT). Exposure to PM can induce oxidative stress and inflammation, potentially resulting in blood-brain barrier damage and increased susceptibility to development of neurodevelopmental disorders (NDD), such as autism spectrum disorders and attention deficit disorders. In addition, human and animal exposure to PM can induce microglia activation and epigenetic alterations and alter the neurotransmitter levels, which may increase risks for development of NDD. However, the systematic comparisons of the effects of PM on NDD at different ages of exposure are deficient. The elucidation of PM exposure risks and NDT in children during the early developmental stages are of great importance. The synthesis of current research may help to identify markers and mechanisms of PM-induced neurodevelopmental toxicity, allowing for the development of strategies to prevent permanent damage of developing brain.
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Affiliation(s)
- Mengting Shang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yuying Xue
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
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11
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Zundel CG, Ryan P, Brokamp C, Heeter A, Huang Y, Strawn JR, Marusak HA. Air pollution, depressive and anxiety disorders, and brain effects: A systematic review. Neurotoxicology 2022; 93:272-300. [PMID: 36280190 PMCID: PMC10015654 DOI: 10.1016/j.neuro.2022.10.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 10/12/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022]
Abstract
Accumulating data suggest that air pollution increases the risk of internalizing psychopathology, including anxiety and depressive disorders. Moreover, the link between air pollution and poor mental health may relate to neurostructural and neurofunctional changes. We systematically reviewed the MEDLINE database in September 2021 for original articles reporting effects of air pollution on 1) internalizing symptoms and behaviors (anxiety or depression) and 2) frontolimbic brain regions (i.e., hippocampus, amygdala, prefrontal cortex). One hundred and eleven articles on mental health (76% human, 24% animals) and 92 on brain structure and function (11% human, 86% animals) were identified. For literature search 1, the most common pollutants examined were PM2.5 (64.9%), NO2 (37.8%), and PM10 (33.3%). For literature search 2, the most common pollutants examined were PM2.5 (32.6%), O3 (26.1%) and Diesel Exhaust Particles (DEP) (26.1%). The majority of studies (73%) reported higher internalizing symptoms and behaviors with higher air pollution exposure. Air pollution was consistently associated (95% of articles reported significant findings) with neurostructural and neurofunctional effects (e.g., increased inflammation and oxidative stress, changes to neurotransmitters and neuromodulators and their metabolites) within multiple brain regions (24% of articles), or within the hippocampus (66%), PFC (7%), and amygdala (1%). For both literature searches, the most studied exposure time frames were adulthood (48% and 59% for literature searches 1 and 2, respectively) and the prenatal period (26% and 27% for literature searches 1 and 2, respectively). Forty-three percent and 29% of studies assessed more than one exposure window in literature search 1 and 2, respectively. The extant literature suggests that air pollution is associated with increased depressive and anxiety symptoms and behaviors, and alterations in brain regions implicated in risk of psychopathology. However, there are several gaps in the literature, including: limited studies examining the neural consequences of air pollution in humans. Further, a comprehensive developmental approach is needed to examine windows of susceptibility to exposure and track the emergence of psychopathology following air pollution exposure.
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Affiliation(s)
- Clara G Zundel
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, MI, USA.
| | - Patrick Ryan
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
| | - Cole Brokamp
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
| | - Autumm Heeter
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, MI, USA.
| | - Yaoxian Huang
- Department of Civil and Environmental Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, MI, USA.
| | - Jeffrey R Strawn
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Anxiety Disorders Research Program, Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, OH, USA.
| | - Hilary A Marusak
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University, Detroit, MI, USA; Merrill Palmer Skillman Institute for Child and Family Development, Wayne State University, Detroit, MI, USA; Translational Neuroscience Program, Wayne State University, Detroit, MI, USA.
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12
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Serafini MM, Maddalon A, Iulini M, Galbiati V. Air Pollution: Possible Interaction between the Immune and Nervous System? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192316037. [PMID: 36498110 PMCID: PMC9738575 DOI: 10.3390/ijerph192316037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/14/2022] [Accepted: 11/26/2022] [Indexed: 06/01/2023]
Abstract
Exposure to environmental pollutants is a serious and common public health concern associated with growing morbidity and mortality worldwide, as well as economic burden. In recent years, the toxic effects associated with air pollution have been intensively studied, with a particular focus on the lung and cardiovascular system, mainly associated with particulate matter exposure. However, epidemiological and mechanistic studies suggest that air pollution can also influence skin integrity and may have a significant adverse impact on the immune and nervous system. Air pollution exposure already starts in utero before birth, potentially causing delayed chronic diseases arising later in life. There are, indeed, time windows during the life of individuals who are more susceptible to air pollution exposure, which may result in more severe outcomes. In this review paper, we provide an overview of findings that have established the effects of air pollutants on the immune and nervous system, and speculate on the possible interaction between them, based on mechanistic data.
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13
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Zierold KM, Sears CG, Myers JV, Brock GN, Zhang CH, Sears L. Exposure to coal ash and depression in children aged 6-14 years old. ENVIRONMENTAL RESEARCH 2022; 214:114005. [PMID: 35944620 PMCID: PMC10725726 DOI: 10.1016/j.envres.2022.114005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 07/20/2022] [Accepted: 07/25/2022] [Indexed: 05/29/2023]
Abstract
BACKGROUND When coal is burned for energy, coal ash, a hazardous waste product, is generated. Throughout the world, over 1 billion tons of coal ash is produced yearly. In the United States, over 78 million tons of coal ash was produced in 2019. Fly ash, the main component of coal ash contains neurotoxic metal (loid)s that may affect children's neurodevelopment and mental health. The objective of this study was to investigate the association between fly ash and depressive problems in children aged 6-14 years old. METHODS Children and their parents/guardians were recruited from 2015 to 2020. Tobit regression and logistic regression were used to assess the association between coal fly ash and depressive problems. To determine fly ash presence, Scanning Electron Microscopy was conducted on polycarbonate filters containing PM10 from the homes of the study participants. Depressive problems in children were measured using the Depressive Problems DSM and withdrawn/depressed syndromic problem scales of the Child Behavior Checklist. RESULTS In covariate-adjusted Tobit regression models, children with fly ash on the filter had higher scores on the DSM Depressive Problems (3.13 points; 95% CI = 0.39, 5.88) compared with children who did not have fly ash on the filter. Logistic regression supported these findings. CONCLUSION Coal ash is one of the largest waste streams in the U.S, but it is not classified as a hazardous waste by the Environmental Protection Agency. To our knowledge, no studies have assessed the impact of coal ash on children's mental health. This study highlights the need for further research into the effects of coal ash exposure on children's mental health, and improved regulations on release and storage of coal ash.
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Affiliation(s)
- Kristina M Zierold
- Department of Environmental Health Sciences, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Clara G Sears
- Department of Environmental Medicine, University of Louisville, Louisville, KY, USA.
| | - John V Myers
- Department of Biomedical Informatics and Center for Biostatistics, The Ohio State University, Columbus, OH, USA.
| | - Guy N Brock
- Department of Biomedical Informatics and Center for Biostatistics, The Ohio State University, Columbus, OH, USA.
| | - Charlie H Zhang
- Department of Geographic & Environmental Sciences, University of Louisville, Louisville, KY, USA.
| | - Lonnie Sears
- Department of Pediatrics, University of Louisville, Louisville, KY, USA.
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14
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Liu R, DeSerisy M, Fox NA, Herbstman JB, Rauh VA, Beebe B, Margolis AE. Prenatal exposure to air pollution and maternal stress predict infant individual differences in reactivity and regulation and socioemotional development. J Child Psychol Psychiatry 2022; 63:1359-1367. [PMID: 35174891 PMCID: PMC9381652 DOI: 10.1111/jcpp.13581] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/04/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Humans are ubiquitously exposed to air pollutants including polycyclic aromatic hydrocarbons (PAH). Although most studies of prenatal exposures have focused on psychopathology in childhood or adolescence, the effects of air pollutants on early emerging individual differences in reactivity and regulation are of growing concern. Our study is the first to report effects of prenatal exposure to PAH and maternal stress on infant reactivity and regulation. METHODS Participants included 153 infants (74 girls and 79 boys). Prenatal exposure to PAH was measured via personal air monitoring during the third trimester of pregnancy. Maternal perceived stress was measured via self-report. We assessed infant orienting/regulation (OR), surgency (SE), and negative affectivity (NA) at 4 months using the Infant Behavior Questionnaire. We measured infant socioemotional outcomes at 12 months using the Brief Infant-Toddler Social & Emotional Assessment Questionnaire. RESULTS Infants with higher prenatal PAH exposure and of mothers with higher stress had lower OR at 4 months, which predicted lower competence at 12 months. Infants with higher prenatal PAH exposure had lower SE at 4 months, which predicted more behavioral problems at 12 months. Prenatal exposure to PAH had no effects on infant NA at 4 months, although NA was associated with greater behavioral problems at 12 months. CONCLUSIONS Infant reactivity and regulation, as early makers of child psychopathology, can facilitate timely and targeted screening and possibly prevention of disorders caused, in part, by environmental pollution. A multifaceted approach to improve environmental quality and reduce psychosocial stress is necessary to improve the developmental outcomes of children and most specially children from disadvantaged communities that disproportionately experience these environmental exposures.
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Affiliation(s)
- Ran Liu
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Mariah DeSerisy
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Nathan A. Fox
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD, USA
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
| | - Julie B. Herbstman
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
- Mailman School of Public Health, Columbia Center for Children’s Environmental Health, Columbia University, New York, NY, USA
| | - Virginia A. Rauh
- Mailman School of Public Health, Columbia Center for Children’s Environmental Health, Columbia University, New York, NY, USA
- Heilbrunn Department of Population & Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Beatrice Beebe
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Amy E. Margolis
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
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15
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Iglesias-Vázquez L, Binter AC, Canals J, Hernández-Martínez C, Voltas N, Ambròs A, Fernández-Barrés S, Pérez-Crespo L, Guxens M, Arija V. Maternal exposure to air pollution during pregnancy and child's cognitive, language, and motor function: ECLIPSES study. ENVIRONMENTAL RESEARCH 2022; 212:113501. [PMID: 35640710 DOI: 10.1016/j.envres.2022.113501] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/06/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Prenatal exposure to air pollution, even at low levels, has been associated with negative effects on a child's neuropsychological functioning. The present work aimed to investigate the associations between prenatal exposure to air pollution on a child's cognitive, language, and motor function at 40 days of age in a highly exposed area of Spain. From the ECLIPSES study population, the present work counted 473 mother-child pairs. Traffic-related air pollution levels at home addresses during the whole pregnancy were estimated including particulate matter (PM) with an aerodynamic diameter <2.5 μm (PM2.5), <10 μm (PM10) and 2.5-10 μm (PMcoarse), PM2.5absorbance, nitrogen dioxide (NO2), other nitrogen oxides (NOx), and ozone (O3) using land-use regression models developed within ESCAPE and ELAPSE projects. Children's cognitive, language, and motor functions were assessed using the Bayley Scales of Infant Development 3rd edition (BSID-III) at around 40 days of age. Linear regression models were adjusted for maternal biological, sociodemographic and lifestyle characteristics, area deprivation index, and amount of greenness around the home's address. All air pollutants assessed, except PM2.5 absorbance, were associated with lower motor function in children, while no association was observed between prenatal exposure to air pollution and cognitive and language functions. This finding highlights the need to continue raising awareness of the population-level impact that maternal exposure to air pollution even at low levels can have on the neuropsychological functions of children.
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Affiliation(s)
- Lucía Iglesias-Vázquez
- Nutrition and Mental Health (NUTRISAM) Research Group, Universitat Rovira I Virgili, 43204, Reus, Spain; Institut D'Investigació Sanitaria Pere Virgili (IISPV), 43204, Reus, Spain.
| | - Anne-Claire Binter
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Spain.
| | - Josefa Canals
- Nutrition and Mental Health (NUTRISAM) Research Group, Universitat Rovira I Virgili, 43204, Reus, Spain; Department of Psychology, Faculty of Education Sciences and Psychology, Universitat Rovira I Virgili, 43007, Tarragona, Spain.
| | - Carmen Hernández-Martínez
- Nutrition and Mental Health (NUTRISAM) Research Group, Universitat Rovira I Virgili, 43204, Reus, Spain; Department of Psychology, Faculty of Education Sciences and Psychology, Universitat Rovira I Virgili, 43007, Tarragona, Spain.
| | - Núria Voltas
- Nutrition and Mental Health (NUTRISAM) Research Group, Universitat Rovira I Virgili, 43204, Reus, Spain; Department of Psychology, Faculty of Education Sciences and Psychology, Universitat Rovira I Virgili, 43007, Tarragona, Spain.
| | - Albert Ambròs
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Spain.
| | - Silvia Fernández-Barrés
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Spain.
| | - Laura Pérez-Crespo
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Spain.
| | - Mònica Guxens
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Spain; Department of Child and Adolescent Psychiatry, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands.
| | - Victoria Arija
- Nutrition and Mental Health (NUTRISAM) Research Group, Universitat Rovira I Virgili, 43204, Reus, Spain; Institut D'Investigació Sanitaria Pere Virgili (IISPV), 43204, Reus, Spain; Collaborative Research Group on Lifestyles, Nutrition and Smoking (CENIT). Tarragona-Reus Research Support Unit, Jordi Gol Primary Care Research Institute, 43003 Tarragona, Spain.
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16
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Ehsanifar M, Yavari Z, Rafati M. Exposure to urban air pollution particulate matter: neurobehavioral alteration and hippocampal inflammation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:50856-50866. [PMID: 35237914 DOI: 10.1007/s11356-022-19367-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 02/19/2022] [Indexed: 06/14/2023]
Abstract
Air pollution is associated with many neurodevelopmental and neurological disorders in human populations. Rodent models show similar neurotoxic effects of urban air pollution ultrafine particulate matter (UFPs < 100 nm (PM0.1)), collected by different methods or from various sources. Exposure to ultrafine particulate matter (UFPs < 100 nm (PM0.1)) can be adversely impacting the central nervous system (CNS) by the activation of proinflammatory pathways and reactive oxygen species associated with air pollution particulate matter. We investigated hippocampal inflammatory cytokines, neurobehavioral alteration, and neuronal morphology following exposure to diesel exhaust particles (DEPs) in mice. Male mice were DEPs exposed for 14 weeks. Mice exposed to DEPs showed more disorders in spatial memory and learning and depressive-like responses than control mice. Expression of hippocampal pro-inflammatory cytokine was increased among DEPs exposure mice. The density of neurons in hippocampus CA1, CA3, and dentate gyrus (DG) regions decreased in DEPs mice. Overall, these findings show that prolonged exposure to DEPs in the world's major cities can alter neurobehavioral and impair cognition.
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Affiliation(s)
- Mojtaba Ehsanifar
- Genetic and Environmental Adventures Research Center, School of Abarkouh Paramedicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Zeinab Yavari
- Genetic and Environmental Adventures Research Center, School of Abarkouh Paramedicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Civil and Architectural Engineering, Sultan Qaboos University, Muscat, Oman
| | - Mehravar Rafati
- Department of Medical Physics and Radiology, Faculty of Paramedicine, Kashan University of Medical Sciences, Kashan, Iran
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Li S, Liu Y, Liu B, Hu YQ, Ding YQ, Zhang J, Feng L. Maternal urban particulate matter exposure and signaling pathways in fetal brains and neurobehavioral development in offspring. Toxicology 2022; 474:153225. [PMID: 35659516 DOI: 10.1016/j.tox.2022.153225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/09/2022] [Accepted: 05/26/2022] [Indexed: 11/08/2022]
Abstract
It is well understood that exposure to particulate matter (PM) can have adverse effects on the nervous system. When pregnant women are exposed to PM, their fetuses are also affected through the placenta. However, the mechanisms by which fetal brain development is regulated between mother and fetus remain unclear. C57BL/6J pregnant mice were exposed to PM at embryonic day (E) 2.5, 5.5, 8.5, 11.5, 14.5, and 17.5 via nasal drip at three doses (3, 6, 12 mg/kg of body weight) or PBS control. Neurobehavioral changes in the offspring were examined at 5-6-week-old by open field test (OFT) and elevated plus maze (EPM). The maternal and fetal brain and placenta were collected at E18.5, and molecular signal changes were explored using transcriptome analysis. We found that both male and female low-dose pups and male middle-dose pups traveled a significantly longer distance than controls in EPM tests. Both male and female low-dose pups showed a higher frequency of entering the center area and female low-dose pups exhibited a higher percentage of distance moved in the center area than controls in OFT tests. Gene expression in the maternal brain, fetal brain, and placenta at E18.5 was altered. Differentially expressed genes were enriched in the neuroactive ligand-receptor interaction pathway in all three tissue types. Pathway analysis revealed that the PI3K-Akt and PKC signaling was dysregulated in the fetal brain in the high-dose group compared with the control group. The pathways play a role in neuronal survival and apoptosis. Furthermore, there is a dose-dependent increase in Caspase-6, neuronal apoptosis and neurodegeneration biomarker, levels in E18.5 fetal brain (P = 0.06). In conclusion, our study demonstrated that prenatal PM exposure enhanced exploration and locomotor activity in adolescent offspring and altered molecular events in maternal brain, fetal brain, and placenta. The connections of these changes warrant further investigations.
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Affiliation(s)
- Shuman Li
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Yongjie Liu
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Bin Liu
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Yun-Qing Hu
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Yu-Qiang Ding
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, No.130 Dong'an Road, Shanghai 200032, China; Department of Laboratory Animal Science, Fudan University, Shanghai 200032, China
| | - Jun Zhang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao-Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China.
| | - Liping Feng
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China; Department of Obstetrics and Gynecology, Duke University, Durham, NC, USA.
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Margolis AE, Liu R, Conceição VA, Ramphal B, Pagliaccio D, DeSerisy ML, Koe E, Selmanovic E, Raudales A, Emanet N, Quinn AE, Beebe B, Pearson BL, Herbstman JB, Rauh VA, Fifer WP, Fox NA, Champagne FA. Convergent neural correlates of prenatal exposure to air pollution and behavioral phenotypes of risk for internalizing and externalizing problems: Potential biological and cognitive pathways. Neurosci Biobehav Rev 2022; 137:104645. [PMID: 35367513 DOI: 10.1016/j.neubiorev.2022.104645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/20/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023]
Abstract
Humans are ubiquitously exposed to neurotoxicants in air pollution, causing increased risk for psychiatric outcomes. Effects of prenatal exposure to air pollution on early emerging behavioral phenotypes that increase risk of psychopathology remain understudied. We review animal models that represent analogues of human behavioral phenotypes that are risk markers for internalizing and externalizing problems (behavioral inhibition, behavioral exuberance, irritability), and identify commonalities among the neural mechanisms underlying these behavioral phenotypes and the neural targets of three types of air pollutants (polycyclic aromatic hydrocarbons, traffic-related air pollutants, fine particulate matter < 2.5 µm). We conclude that prenatal exposure to air pollutants increases risk for behavioral inhibition and irritability through distinct mechanisms, including altered dopaminergic signaling and hippocampal morphology, neuroinflammation, and decreased brain-derived neurotrophic factor expression. Future studies should investigate these effects in human longitudinal studies incorporating complex exposure measurement methods, neuroimaging, and behavioral characterization of temperament phenotypes and neurocognitive processing to facilitate efforts aimed at improving long-lasting developmental benefits for children, particularly those living in areas with high levels of exposure.
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Affiliation(s)
- Amy E Margolis
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
| | - Ran Liu
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Vasco A Conceição
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Bruce Ramphal
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - David Pagliaccio
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Mariah L DeSerisy
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Emily Koe
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Ena Selmanovic
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Amarelis Raudales
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Nur Emanet
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Aurabelle E Quinn
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA
| | - Beatrice Beebe
- Division of Child and Adolescent Psychiatry, New York State Psychiatric Institute, New York, NY, USA; Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Brandon L Pearson
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Julie B Herbstman
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA; Columbia Center for Children's Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Virginia A Rauh
- Columbia Center for Children's Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA; Heilbrunn Department of Population & Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - William P Fifer
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Pediatrics, Columbia University Medical Center, New York, NY, USA; Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
| | - Nathan A Fox
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD, USA; Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
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Xu Z, Liu Z, Lu L, Liao W, Yang C, Duan Z, Zhou Q, He W, Zhang E, Li N, Ju K. Assessing the causal effects of long-term exposure to PM 2.5 during pregnancy on cognitive function in the adolescence: Evidence from a nationwide cohort in China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118560. [PMID: 34808309 DOI: 10.1016/j.envpol.2021.118560] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/23/2021] [Accepted: 11/18/2021] [Indexed: 02/05/2023]
Abstract
The effects of air pollution on adolescents need further consideration. Although there is evidence that maternal exposure to air pollution may affect the cognitive function of offspring, relevant studies remain limited and inconsistent, with a lack of studies assessing the causal effects and evidence from developing countries. Using data from Chinese Family Panel Studies, a representative Chinese nationwide cohort study, OLS combined with instrumental variable + two-stage least square (IV+2SLS) was used to explore the causal effects of exposure to PM2.5 concentrations during pregnancy on the cognitive function of offspring when they become adolescents. After detailed argumentation and multiple testing, Planetary Boundary Layer Height (PBLH) and Surface Pressure (SP) were selected as the instrumental variables for this study. One thousand five hundred fifty-five adolescents participated in this study, with a mean age of 13.3 years (sd = 2.3). There were 706 females (45.4%), the mean maternal PM2.5 exposure concentration was 64.9 μg/m3, and recorded a mean cognitive function score of 38.1 (sd = 9.4). The OLS results found that maternal exposure to air pollution increased cognitive function in offspring adolescents, corroborating the presence of endogeneity. Multi-domain knowledge, the results of the weak instrumental variable assessments of F-tests (F = 237 > 10) and Stock-yogo tests (minimum eigenvalue statistic = 153.16 > 16.38), and the results of the Hansen J overidentification test (p > 0.05) verified the plausibility and validity of the instrumental variables. The IV+2SLS results, following causal modeling, showed that PM2.5 exposure during pregnancy impairs the cognitive ability of offspring adolescents (β = -0.040, p < 0.05). Robustness tests also validated the results. This study provides important policy implications for developing countries on protecting their adolescents and reminds parents that the protection of adolescents from air pollution should begin from conception.
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Affiliation(s)
- Zongyou Xu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China; Medical School, Hubei Minzu University, Enshi, 445000, China
| | - Zhenmi Liu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Liyong Lu
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Weibin Liao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Chenyu Yang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhongxin Duan
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qian Zhou
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Wenchong He
- Research Management Office, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
| | - En Zhang
- School of Government, Peking University, Beijing, 100871, China
| | - Ningxiu Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Ke Ju
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China; School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
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20
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Yu T, Zhou L, Xu J, Kan H, Chen R, Chen S, Hua H, Liu Z, Yan C. Effects of prenatal exposures to air sulfur dioxide/nitrogen dioxide on toddler neurodevelopment and effect modification by ambient temperature. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 230:113118. [PMID: 34979314 DOI: 10.1016/j.ecoenv.2021.113118] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/19/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
Emerging evidence suggests that prenatal exposure to ambient SO2 or NO2 induces fetal brain-damage. However, effects of prenatal exposure to SO2 or NO2 on toddler neurodevelopment and the effect-modification by ambient temperature remain unclear. Therefore, a prospective birth-cohort study was conducted from 2010 to 2012 in Shanghai, and 225 mother-child pairs were followed-up from mid-to-late pregnancy until 24-36 months postpartum. During the whole pregnancy, daily SO2/NO2 and temperature levels were obtained for each woman. Gesell-Development-Schedule was used to assess toddler neurodevelopment in the domains of gross-motor, fine-motor, adaptive-behavior, language and social-behavior. Distributed-lag-nonlinear-models simultaneously accounting for exposure-response and lag-response associations were applied to assess the impacts of prenatal SO2/NO2 exposure on neurodevelopment. Each 10-μg/m3 increase in weekly average SO2 concentrations had adverse associations with gross-motor in gestational-weeks 1-6, with adaptive-behavior in weeks 26-30, and with language in weeks 30-36 (developmental-quotient changes: - 1.17% to - 0.12%, P-values < 0.05). Each 10-μg/m3 increase in weekly average NO2 concentrations had adverse associations with gross-motor in gestational-weeks 33-36, with fine-motor in weeks 26-36 and with social-behavior in weeks 31-36 (developmental-quotient changes: - 0.91% to - 0.20%, P-values < 0.05). The cumulative effects for the whole pregnancy showed that each 10-μg/m3 increase in SO2 induced significant deficits in gross-motor and adaptive-behavior (developmental-quotient changes: - 4.71% and - 4.06%, respectively, P < 0.05). We found prenatal cumulative SO2 exposure induced more deficits in low temperature in language and adaptive-behavior than in high/moderate temperature. Thus, prenatal ambient SO2/NO2 exposure in specific time-windows (1st and 3rd trimesters for SO2; 3rd trimester for NO2) could impair toddler neurodevelopment and low temperature may aggravate the SO2-induced neurotoxicity.
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Affiliation(s)
- Ting Yu
- Shanghai Key Laboratory of Embryo Original Diseases, The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Leilei Zhou
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Department of Child and Adolescent Healthcare, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092 China
| | - Jian Xu
- Shanghai Key Laboratory of Embryo Original Diseases, The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China.
| | - Haidong Kan
- School of Public Health, Key Laboratory of Public Health Safety of the Ministry of Education and Key Laboratory of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai 200032 China; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Fudan University, Shanghai 200032 China
| | - Renjie Chen
- School of Public Health, Key Laboratory of Public Health Safety of the Ministry of Education and Key Laboratory of Health Technology Assessment of the Ministry of Health, Fudan University, Shanghai 200032 China; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Fudan University, Shanghai 200032 China
| | - Shuwen Chen
- Shanghai Key Laboratory of Embryo Original Diseases, The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Hui Hua
- Shanghai Key Laboratory of Embryo Original Diseases, The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Zhiwei Liu
- Shanghai Key Laboratory of Embryo Original Diseases, The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Chonghuai Yan
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Department of Child and Adolescent Healthcare, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092 China
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Wu S, Chen Z, Yang L, Zhang Y, Luo X, Guo J, Shao Y. Particle-bound PAHs induced glucose metabolism disorders through HIF-1 pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 797:149132. [PMID: 34311363 DOI: 10.1016/j.scitotenv.2021.149132] [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: 02/17/2021] [Revised: 06/29/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Vehicle exhaust, as one of the most important compositions of air pollution, induced various adverse health effects, especially diabetes, on human beings. Even though monitoring and epidemiological data indicates that particle-bound polycyclic aromatic hydrocarbons (PAHs) is an inducing factor of diabetes, the specific causative mechanisms are still unclear. In the current study, the concentration of particulate matters (PMs, including PM1.0, PM2.5 and PM10.0) and PAHs was investigated at rush hour of weekday in three urban underground parking garages (UPGs). To evaluate the impacts of particle-bound PAHs on human beings, analysis of non-target metabolomics and unmetabolized PAHs were conducted for UPG and non-UPG worker urine samples. The results showed that the highest concentrations of PMs and total PAHs were found at the UPG entrance. The concentrations of unmetabolized 5-6 rings PAHs in the UPG worker urine were significantly higher than that in non-UPG worker urine samples, which induced glucose metabolism disorders through hypoxia-inducible factor 1 (HIF-1) signaling pathway. This could be a reason for particle-bound PAHs induced-diabetes on road workers, drivers and garage staff. These findings can serve as a step towards air pollution management and the pathological mechanism analysis of environmental factor induced-diseases.
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Affiliation(s)
- Siqi Wu
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Zhongli Chen
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Li Yang
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Yulin Zhang
- Chongqing University Cancer Hospital, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China; Chongqing Cancer Institute, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China; Chongqing Cancer Hospital, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China
| | - Xiaohe Luo
- The Center of Clinical Research of Endocrinology and Metabolic Diseases in Chongqing, 404000 Chongqing, China; Department of Laboratory Medicine, Chongqing University Three Gorges Hospital, School of Medicine, Chongqing University, 404000 Chongqing, China
| | - Jinsong Guo
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Ying Shao
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China.
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Yan C, Wu X, Cao X, Li M, Zhou L, Xiu G, Zeng J. In vitro and in vitro toxicity study of diesel exhaust particles using BEAS-2B cell line and the nematode Caenorhabditis elegans as biological models. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:60704-60716. [PMID: 34160767 DOI: 10.1007/s11356-021-14908-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 06/10/2021] [Indexed: 06/13/2023]
Abstract
It is well accepted that diesel exhaust particles (DEPs) are highly associated with improper function of organ systems. In this study, DEP toxicity was performed by using in vitro human BEAS-2B cell line and in vivo animal model, namely, Caenorhabditis elegans (C. elegans). The potential toxicity of DEP was assessed by the apical endpoints of BEAS-2B cell line and reflections of C. elegans under exposure scenarios of 0~50 μg mL-1 DEP. With the increase of DEP exposure concentration, microscopic accumulations in the cytoplasm of cell line and intestine of C. elegans were observed. Such invasion of DEP impaired the behaviors of C. elegans as well as its un-exposed offspring and caused significant impeded locomotion. Moreover, the disorders of dopaminergic function were observed simultaneously under DEP exposure, specifically manifested by the decreased transcriptional expression of dat-1. The stress responses instructed by the expression of hsp-16.2 were also increased sharply in TJ375 strain of C. elegans at DEP concentrations of 1 and 10 μg mL-1. In the case of cellular reactions to DEP exposure, the injuries of membrane integrity and the decreased viability of cell line were simultaneously identified, and reactive oxygen species (ROS), damaged DNA fragment, and upregulated apoptosis were monotonically elevated in cell lines with the increase of DEP concentrations. This study provided a systematic insight into toxicity of DEP both in vivo and vitro, demonstrating that DEP exposure could disturb the stability of cell system and further threat the stability of organism.
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Affiliation(s)
- Chenzhi Yan
- Shanghai Environmental Protection Key Laboratory for Environmental Standard and Risk Management of Chemical Pollutants, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
- State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes. School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Xuan Wu
- Shanghai Environmental Protection Key Laboratory for Environmental Standard and Risk Management of Chemical Pollutants, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
- State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes. School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Xue Cao
- Shanghai Environmental Protection Key Laboratory for Environmental Standard and Risk Management of Chemical Pollutants, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
- State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes. School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Meng Li
- American Chemical Society, 2 Kexueyuan Nanlu, Haidian District, Beijing, 100190, China
| | - Lei Zhou
- Shanghai Environmental Protection Key Laboratory for Environmental Standard and Risk Management of Chemical Pollutants, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
- State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes. School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Guangli Xiu
- Shanghai Environmental Protection Key Laboratory for Environmental Standard and Risk Management of Chemical Pollutants, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
- State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes. School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
| | - Jiayi Zeng
- The Second Affiliated High School of East China Normal University, Shanghai, 201203, China
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Wang SY, Cheng YY, Guo HR, Tseng YC. Air Pollution during Pregnancy and Childhood Autism Spectrum Disorder in Taiwan. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189784. [PMID: 34574710 PMCID: PMC8467611 DOI: 10.3390/ijerph18189784] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/03/2021] [Accepted: 09/13/2021] [Indexed: 12/20/2022]
Abstract
Air pollutants have been linked to some diseases in humans, but their effects on the nervous system were less frequently evaluated. Autism spectrum disorder (ASD) is a group of neurondevelopmental disorders of which the etiology is still unknown. We conducted a study in Taiwan to evaluate the possible associations between prenatal exposure to air pollutants and ASD. From a random sample of one million people in the National Insurance Research Database, we identified all the infants born between 1996 and 2000. We followed them till the end of 2013 and identified cases of ASD. We traced back the mothers’ residence and assessed the exposure to air pollutants using the data obtained from the air quality monitoring database maintained by the government, which included ozone (O3), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), and particulate matters with diameter less than 10 µm (PM10). Cox proportional hazard models were constructed to evaluate the associations between childhood ASD and exposures to the pollutants in the three trimesters and the whole gestation. We identified a total of 63,376 newborns and included 62,919 as the study cohort. After adjusting for other risk factors, we observed trimester-specific associations between levels of CO, NO2, and PM10 and the risk of childhood ASD. An increase of 1 ppm of CO in the first, second, and third trimester was associated with a hazard ratio (HR) of 1.93 (95% confidence interval [CI]: 1.55–2.39), 1.77 (95%CI: 1.41–2.22), and 1.75 (95%CI: 1.39–2.21), respectively. An increase of 10 ppb in the level of NO2 in the first, second, and third trimester was associated with an HR of 1.39 (95%CI: 1.22–1.58), 1.25 (95%CI: 1.10–1.42), and 1.18 (95%CI: 1.03–1.34), respectively. In conclusion, we found that exposures to CO and NO2 in all three trimesters were associated with increased risks of developing ASD.
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Affiliation(s)
- Shu-Yuan Wang
- Department of Environmental and Occupational Health, College of Medical, National Cheng Kung University, Tainan 704, Taiwan; (S.-Y.W.); (Y.-Y.C.); (H.-R.G.)
| | - Ya-Yun Cheng
- Department of Environmental and Occupational Health, College of Medical, National Cheng Kung University, Tainan 704, Taiwan; (S.-Y.W.); (Y.-Y.C.); (H.-R.G.)
- Department of Environmental Health, Harvard University T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - How-Ran Guo
- Department of Environmental and Occupational Health, College of Medical, National Cheng Kung University, Tainan 704, Taiwan; (S.-Y.W.); (Y.-Y.C.); (H.-R.G.)
- Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan 704, Taiwan
| | - Yen-Cheng Tseng
- Department of Tourism, Food, and Beverage Management, College of Management, Chang Jung Christian University, Tainan 711, Taiwan
- Correspondence:
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Johnson NM, Hoffmann AR, Behlen JC, Lau C, Pendleton D, Harvey N, Shore R, Li Y, Chen J, Tian Y, Zhang R. Air pollution and children's health-a review of adverse effects associated with prenatal exposure from fine to ultrafine particulate matter. Environ Health Prev Med 2021; 26:72. [PMID: 34253165 PMCID: PMC8274666 DOI: 10.1186/s12199-021-00995-5] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 07/01/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Particulate matter (PM), a major component of ambient air pollution, accounts for a substantial burden of diseases and fatality worldwide. Maternal exposure to PM during pregnancy is particularly harmful to children's health since this is a phase of rapid human growth and development. METHOD In this review, we synthesize the scientific evidence on adverse health outcomes in children following prenatal exposure to the smallest toxic components, fine (PM2.5) and ultrafine (PM0.1) PM. We highlight the established and emerging findings from epidemiologic studies and experimental models. RESULTS Maternal exposure to fine and ultrafine PM directly and indirectly yields numerous adverse birth outcomes and impacts on children's respiratory systems, immune status, brain development, and cardiometabolic health. The biological mechanisms underlying adverse effects include direct placental translocation of ultrafine particles, placental and systemic maternal oxidative stress and inflammation elicited by both fine and ultrafine PM, epigenetic changes, and potential endocrine effects that influence long-term health. CONCLUSION Policies to reduce maternal exposure and health consequences in children should be a high priority. PM2.5 levels are regulated, yet it is recognized that minority and low socioeconomic status groups experience disproportionate exposures. Moreover, PM0.1 levels are not routinely measured or currently regulated. Consequently, preventive strategies that inform neighborhood/regional planning and clinical/nutritional recommendations are needed to mitigate maternal exposure and ultimately protect children's health.
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Affiliation(s)
- Natalie M Johnson
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, 77843, USA.
| | | | - Jonathan C Behlen
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, 77843, USA
| | - Carmen Lau
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX, 77843, USA
| | - Drew Pendleton
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, 77843, USA
| | - Navada Harvey
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, 77843, USA
| | - Ross Shore
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, 77843, USA
| | - Yixin Li
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Jingshu Chen
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX, 77843, USA
| | - Yanan Tian
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX, 77843, USA
| | - Renyi Zhang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
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25
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Bernal-Meléndez E, Callebert J, Bouillaud P, Persuy MA, Olivier B, Badonnel K, Chavatte-Palmer P, Baly C, Schroeder H. Dopaminergic and serotonergic changes in rabbit fetal brain upon repeated gestational exposure to diesel engine exhaust. Arch Toxicol 2021; 95:3085-3099. [PMID: 34189592 DOI: 10.1007/s00204-021-03110-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/17/2021] [Indexed: 11/29/2022]
Abstract
Limited studies in humans and in animal models have investigated the neurotoxic risks related to a gestational exposure to diesel exhaust particles (DEP) on the embryonic brain, especially those regarding monoaminergic systems linked to neurocognitive disorders. We previously showed that exposure to DEP alters monoaminergic neurotransmission in fetal olfactory bulbs and modifies tissue morphology along with behavioral consequences at birth in a rabbit model. Given the anatomical and functional connections between olfactory and central brain structures, we further characterized their impacts in brain regions associated with monoaminergic neurotransmission. At gestational day 28 (GD28), fetal rabbit brains were collected from dams exposed by nose-only to either a clean air or filtered DEP for 2 h/day, 5 days/week, from GD3 to GD27. HPLC dosage and histochemical analyses of the main monoaminergic systems, i.e., dopamine (DA), noradrenaline (NA), and serotonin (5-HT) and their metabolites were conducted in microdissected fetal brain regions. DEP exposure increased the level of DA and decreased the dopaminergic metabolites ratios in the prefrontal cortex (PFC), together with sex-specific alterations in the hippocampus (Hp). In addition, HVA level was increased in the temporal cortex (TCx). Serotonin and 5-HIAA levels were decreased in the fetal Hp. However, DEP exposure did not significantly modify NA levels, tyrosine hydroxylase, tryptophan hydroxylase or AChE enzymatic activity in fetal brain. Exposure to DEP during fetal life results in dopaminergic and serotonergic changes in critical brain regions that might lead to detrimental potential short-term neural disturbances as precursors of long-term neurocognitive consequences.
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Affiliation(s)
- Estefania Bernal-Meléndez
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.,CALBINOTOX, EA7488, Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - Jacques Callebert
- Service de Biochimie et Biologie Moléculaire, Hôpital Lariboisière, Paris, France
| | | | - Marie-Annick Persuy
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.,Université Paris-Saclay, UVSQ, INRAE, INRAE, BREED UR1198, Bat. 230, Domaine de Vilvert, 78350, Jouy-en-Josas, France
| | - Benoit Olivier
- CALBINOTOX, EA7488, Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - Karine Badonnel
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.,Université Paris-Saclay, UVSQ, INRAE, INRAE, BREED UR1198, Bat. 230, Domaine de Vilvert, 78350, Jouy-en-Josas, France
| | - Pascale Chavatte-Palmer
- Université Paris-Saclay, UVSQ, INRAE, INRAE, BREED UR1198, Bat. 230, Domaine de Vilvert, 78350, Jouy-en-Josas, France
| | - Christine Baly
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France. .,Université Paris-Saclay, UVSQ, INRAE, INRAE, BREED UR1198, Bat. 230, Domaine de Vilvert, 78350, Jouy-en-Josas, France.
| | - Henri Schroeder
- CALBINOTOX, EA7488, Université de Lorraine, Vandœuvre-lès-Nancy, France.
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Weitekamp CA, Hofmann HA. Effects of air pollution exposure on social behavior: a synthesis and call for research. Environ Health 2021; 20:72. [PMID: 34187479 PMCID: PMC8243425 DOI: 10.1186/s12940-021-00761-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 06/18/2021] [Indexed: 05/05/2023]
Abstract
BACKGROUND There is a growing literature from both epidemiologic and experimental animal studies suggesting that exposure to air pollution can lead to neurodevelopmental and neuropsychiatric disorders. Here, we suggest that effects of air pollutant exposure on the brain may be even broader, with the potential to affect social decision-making in general. METHODS We discuss how the neurobiological substrates of social behavior are vulnerable to air pollution, then briefly present studies that examine the effects of air pollutant exposure on social behavior-related outcomes. RESULTS Few experimental studies have investigated the effects of air pollution on social behavior and those that have focus on standard laboratory tests in rodent model systems. Nonetheless, there is sufficient evidence to support a critical need for more research. CONCLUSION For future research, we suggest a comparative approach that utilizes diverse model systems to probe the effects of air pollution on a wider range of social behaviors, brain regions, and neurochemical pathways.
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Affiliation(s)
- Chelsea A. Weitekamp
- Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Durham, NC USA
| | - Hans A. Hofmann
- Department of Integrative Biology, The University of Texas At Austin, Austin, TX USA
- Institute for Cellular and Molecular Biology, The University of Texas At Austin, Austin, TX USA
- Institute for Neuroscience, The University of Texas At Austin, Austin, TX USA
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27
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Jankowska-Kieltyka M, Roman A, Nalepa I. The Air We Breathe: Air Pollution as a Prevalent Proinflammatory Stimulus Contributing to Neurodegeneration. Front Cell Neurosci 2021; 15:647643. [PMID: 34248501 PMCID: PMC8264767 DOI: 10.3389/fncel.2021.647643] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 06/02/2021] [Indexed: 12/12/2022] Open
Abstract
Air pollution is regarded as an important risk factor for many diseases that affect a large proportion of the human population. To date, accumulating reports have noted that particulate matter (PM) is closely associated with the course of cardiopulmonary disorders. As the incidence of Alzheimer’s disease (AD), Parkinson’s disease (PD), and autoimmune disorders have risen and as the world’s population is aging, there is an increasing interest in environmental health hazards, mainly air pollution, which has been slightly overlooked as one of many plausible detrimental stimuli contributing to neurodegenerative disease onset and progression. Epidemiological studies have indicated a noticeable association between exposure to PM and neurotoxicity, which has been gradually confirmed by in vivo and in vitro studies. After entering the body directly through the olfactory epithelium or indirectly by passing through the respiratory system into the circulatory system, air pollutants are subsequently able to reach the brain. Among the potential mechanisms underlying particle-induced detrimental effects in the periphery and the central nervous system (CNS), increased oxidative stress, inflammation, mitochondrial dysfunction, microglial activation, disturbance of protein homeostasis, and ultimately, neuronal death are often postulated and concomitantly coincide with the main pathomechanisms of neurodegenerative processes. Other complementary mechanisms by which PM could mediate neurotoxicity and contribute to neurodegeneration remain unconfirmed. Furthermore, the question of how strong and proven air pollutants are as substantial adverse factors for neurodegenerative disease etiologies remains unsolved. This review highlights research advances regarding the issue of PM with an emphasis on neurodegeneration markers, symptoms, and mechanisms by which air pollutants could mediate damage in the CNS. Poor air quality and insufficient knowledge regarding its toxicity justify conducting scientific investigations to understand the biological impact of PM in the context of various types of neurodegeneration.
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Affiliation(s)
- Monika Jankowska-Kieltyka
- Department of Brain Biochemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Adam Roman
- Department of Brain Biochemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
| | - Irena Nalepa
- Department of Brain Biochemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Krakow, Poland
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28
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Barnhill LM, Khuansuwan S, Juarez D, Murata H, Araujo JA, Bronstein JM. Diesel Exhaust Extract Exposure Induces Neuronal Toxicity by Disrupting Autophagy. Toxicol Sci 2021; 176:193-202. [PMID: 32298450 DOI: 10.1093/toxsci/kfaa055] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The vast majority of neurodegenerative disease cannot be attributed to genetic causes alone and as a result, there is significant interest in identifying environmental modifiers of disease risk. Epidemiological studies have supported an association between long-term exposure to air pollutants and disease risk. Here, we investigate the mechanisms by which diesel exhaust, a major component of air pollution, induces neurotoxicity. Using a zebrafish model, we found that exposure to diesel exhaust particulate extract caused behavioral deficits and a significant decrease in neuron number. The neurotoxicity was due, at least in part, to reduced autophagic flux, which is a major pathway implicated in neurodegeneration. This neuron loss occurred alongside an increase in aggregation-prone neuronal protein. Additionally, the neurotoxicity induced by diesel exhaust particulate extract in zebrafish was mitigated by co-treatment with the autophagy-inducing drug nilotinib. This study links environmental exposure to altered proteostasis in an in vivo model system. These results shed light on why long-term exposure to traffic-related air pollution increases neurodegenerative disease risk and open up new avenues for exploring therapies to mitigate environmental exposures and promote neuroprotection.
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Affiliation(s)
| | | | | | | | - Jesus A Araujo
- Molecular Toxicology IDP.,Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095
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29
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Ehsanifar M, Jafari AJ, Montazeri Z, Kalantari RR, Gholami M, Ashtarinezhad A. Learning and memory disorders related to hippocampal inflammation following exposure to air pollution. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:261-272. [PMID: 34150234 PMCID: PMC8172730 DOI: 10.1007/s40201-020-00600-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 12/14/2020] [Indexed: 05/26/2023]
Abstract
It has been demonstrated that sub-chronic exposure to air pollution containing nanoscale (˂100 nm) diesel exhaust particles (DEPs) may lead to excessive oxidative stress and neuro-inflammation in adult male mice. Hereby, we investigated the effects of DEPs on hippocampus-dependent spatial learning and neuro-inflammation and memory-related gene expression in male mice. In this study, we divided 48 adult NMRI male mice into control group VS. three exposure groups. Mice were exposed to 300-350 μg/m3 DEPs for 2, 5, and 7 h daily for 12 weeks. The Morris Water Maze (MWM) and Elevated Plus Maze device were used to examine anxiety, spatial memory and learning, respectively. The mRNAs expression of pro-inflammatory cytokines, N-methyl-D-aspartate (NMDA) receptor subunits, and glutaminase were studied in hippocampus (HI) by real-time RT-PCR. Besides, malondialdehyde (MDA) tests were used to determine the state of oxidative stress. After 5 and 7 h. of DEPs exposure, mRNA expression of NR2A and NR3B IL1α, IL1β, TNFα, NMDA receptor subunits and MDA levels increased significantly (P < 0.05). Also, DEPs exposed mice for 2, 5, and 7 h. showed diminished entrance into open arms with short time spent there. Indeed, 5 and 7 h/day exposed mice required a longer time to reach the hidden platform. Sub-chronic exposure to DEPs increased oxidative stress markers, neuroinflammation, anxiety, impaired spatial learning and memory.
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Affiliation(s)
- Mojtaba Ehsanifar
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
- Research Center for Environmental Health Technology and department of Environmental Health Engineering, School of public health, Iran University of Medical Sciences, Tehran, Iran
| | - Ahmad Jonidi Jafari
- Research Center for Environmental Health Technology and department of Environmental Health Engineering, School of public health, Iran University of Medical Sciences, Tehran, Iran
| | - Zeinab Montazeri
- Institute of Endocrinology and Metabolism Research and Training Center, Iran University of Medical Sciences, Tehran, Iran
| | - Roshanak Rezaei Kalantari
- Research Center for Environmental Health Technology and department of Environmental Health Engineering, School of public health, Iran University of Medical Sciences, Tehran, Iran
| | - Mitra Gholami
- Research Center for Environmental Health Technology and department of Environmental Health Engineering, School of public health, Iran University of Medical Sciences, Tehran, Iran
| | - Azadeh Ashtarinezhad
- Department of Occupational health engineering, School of public health, Iran University of medical sciences, Tehran, Iran
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30
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Teng C, Jiang C, Gao S, Liu X, Zhai S. Fetotoxicity of Nanoparticles: Causes and Mechanisms. NANOMATERIALS 2021; 11:nano11030791. [PMID: 33808794 PMCID: PMC8003602 DOI: 10.3390/nano11030791] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/13/2021] [Accepted: 03/15/2021] [Indexed: 12/12/2022]
Abstract
The application of nanoparticles in consumer products and nanomedicines has increased dramatically in the last decade. Concerns for the nano-safety of susceptible populations are growing. Due to the small size, nanoparticles have the potential to cross the placental barrier and cause toxicity in the fetus. This review aims to identify factors associated with nanoparticle-induced fetotoxicity and the mechanisms involved, providing a better understanding of nanotoxicity at the maternal–fetal interface. The contribution of the physicochemical properties of nanoparticles (NPs), maternal physiological, and pathological conditions to the fetotoxicity is highlighted. The underlying molecular mechanisms, including oxidative stress, DNA damage, apoptosis, and autophagy are summarized. Finally, perspectives and challenges related to nanoparticle-induced fetotoxicity are also discussed.
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Affiliation(s)
- Chuanfeng Teng
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
| | - Cuijuan Jiang
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China;
| | - Sulian Gao
- Jinan Eco-Environmental Monitoring Center of Shandong Province, Jinan 250101, China;
| | - Xiaojing Liu
- Department of Occupational and Environmental Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China;
| | - Shumei Zhai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
- Correspondence: ; Tel.: +86-531-8836-4464
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31
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Morris RH, Counsell SJ, McGonnell IM, Thornton C. Early life exposure to air pollution impacts neuronal and glial cell function leading to impaired neurodevelopment. Bioessays 2021; 43:e2000288. [PMID: 33751627 DOI: 10.1002/bies.202000288] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/19/2021] [Accepted: 02/23/2021] [Indexed: 11/06/2022]
Abstract
The World Health Organisation recently listed air pollution as the most significant threat to human health. Air pollution comprises particulate matter (PM), metals, black carbon and gases such as ozone (O3 ), nitrogen dioxide (NO2 ) and carbon monoxide (CO). In addition to respiratory and cardiovascular disease, PM exposure is linked with increased risk of neurodegeneration as well as neurodevelopmental impairments. Critically, studies suggest that PM crosses the placenta, making direct in utero exposure a reality. Rodent models reveal that neuroinflammation, neurotransmitter imbalance and oxidative stress are triggered following gestational/early life exposure to PM, and may be exacerbated by concomitant mitochondrial dysfunction. Gestational PM exposure (potentiated by mitochondrial impairment in the metabolically active neonatal brain) not only impacts neurodevelopment but may sensitise the brain to subsequent cognitive impairment. Having reviewed this field, we conclude that strategies are urgently required to reduce exposure to PM during this sensitive developmental period.
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Affiliation(s)
- Rebecca H Morris
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK
| | - Serena J Counsell
- Department of Perinatal Imaging and Health, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Imelda M McGonnell
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK
| | - Claire Thornton
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK.,Department of Perinatal Imaging and Health, School of Biomedical Engineering and Imaging Sciences, King's College London, London, UK
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Viher Hrženjak V, Kukec A, Eržen I, Stanimirović D. Effects of Ultrafine Particles in Ambient Air on Primary Health Care Consultations for Diabetes in Children and Elderly Population in Ljubljana, Slovenia: A 5-Year Time-Trend Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17144970. [PMID: 32664229 PMCID: PMC7400531 DOI: 10.3390/ijerph17144970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/26/2020] [Accepted: 07/08/2020] [Indexed: 11/16/2022]
Abstract
Epidemiological studies indicate that exposure to ultrafine particles (UFP) in ambient air represents an important environmental public health issue. The aim of this study was to determine the association between UFP in ambient air and the daily number of consultations in the primary health care unit due to diabetes mellitus in children and elderly population of the Municipality of Ljubljana. A 5-year time-trend ecological study was carried out for the period between 1 January 2013 and 31 December 2017. The daily number of primary health care consultations due to diabetes mellitus among children and elderly population was observed as the health outcome. Daily mean UFP concentrations (different size from 10 to 100 nm) were measured and calculated. Poisson regression analysis was used to investigate the association between the observed outcome and the daily UFP, particulate matter fine fraction (PM2.5), and particulate matter coarse fraction (PM10) concentrations, adjusted to other covariates. The results show that the daily number of consultations due to diabetes mellitus were highly significantly associated with the daily concentrations of UFP (10 to 20 nm; p ≤ 0.001 and 20 to 30 nm; p ≤ 0.001) in all age groups and in the elderly population. In observed the population of children, we did not confirm the association. Findings indicate that specified environmental challenges should be addressed by comprehensive public health strategies leading to the coordinated cross-sectoral measures for the reduction of UFP in ambient air and the mitigation of adverse health effects.
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Affiliation(s)
- Vesna Viher Hrženjak
- National Laboratory of Health, Environment and Food, Prvomajska 1, 2000 Maribor, Slovenia;
| | - Andreja Kukec
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia; (A.K.); (I.E.)
- National Institute of Public Health, Trubarjeva 2, 1000 Ljubljana, Slovenia
| | - Ivan Eržen
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia; (A.K.); (I.E.)
- National Institute of Public Health, Trubarjeva 2, 1000 Ljubljana, Slovenia
| | - Dalibor Stanimirović
- National Institute of Public Health, Trubarjeva 2, 1000 Ljubljana, Slovenia
- Correspondence: ; Tel.: +386-1244-1413
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Shang L, Yang L, Yang W, Huang L, Qi C, Yang Z, Fu Z, Chung MC. Effects of prenatal exposure to NO 2 on children's neurodevelopment: a systematic review and meta-analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:24786-24798. [PMID: 32356052 PMCID: PMC7329770 DOI: 10.1007/s11356-020-08832-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 04/07/2020] [Indexed: 05/11/2023]
Abstract
The neurotoxicity of NO2 exposure is well-known and potentially causes impaired of neural functions. This review aimed to estimate associations between prenatal NO2 exposure and neurodevelopment for children. Articles published until May 2019 reported prenatal NO2 exposure and children's cognition, psychomotor, language, attention, IQ, and behavior function were searched according to all related terms. The main databases we retrieved included PubMed, Web of Science, Embase, and Cochrane Library. Coefficient was extracted, conversed, and synthesized by random effects meta-analysis. Meanwhile, qualitatively describe would be used for some studies which cannot be synthesized quantitatively for lack of quantity or methods inconsistency. Finally, a total of 3848 citations were searched, and only 10 studies were included. We estimated that per 10 μg/m3 increase of NO2 during pregnancy was associated with a - 0.76 point decrease in global psychomotor (95% CI, - 1.34, - 0.18) and a - 0.62 point decrease in fine psychomotor for children (95% CI, - 1.09, - 0.16). But no significant association found in general cognitive and language. In addition, through the literature review, it seemed that prenatal exposure to NO2 might cause adverse impacts on children's attention, IQ, and different behaviors, but this requires confirmation from further researches. Our study indicated that prenatal exposure to NO2 seems to be associated with impaired neural development for children, especially for fine psychomotor. However, further studies are needed for determining the effects of prenatal air pollution exposure on attention, IQ, and behavior.
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Affiliation(s)
- Li Shang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road., Xi'an, 710061, Shaanxi Province, People's Republic of China
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
| | - Liren Yang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road., Xi'an, 710061, Shaanxi Province, People's Republic of China
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
| | - Wenfang Yang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road., Xi'an, 710061, Shaanxi Province, People's Republic of China.
| | - Liyan Huang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road., Xi'an, 710061, Shaanxi Province, People's Republic of China
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
| | - Cuifang Qi
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road., Xi'an, 710061, Shaanxi Province, People's Republic of China
| | - Zixuan Yang
- Antai College, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Zhuxuan Fu
- Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Mei Chun Chung
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA
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Costa LG, Cole TB, Dao K, Chang YC, Coburn J, Garrick JM. Effects of air pollution on the nervous system and its possible role in neurodevelopmental and neurodegenerative disorders. Pharmacol Ther 2020; 210:107523. [PMID: 32165138 PMCID: PMC7245732 DOI: 10.1016/j.pharmthera.2020.107523] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/25/2020] [Indexed: 02/06/2023]
Abstract
Recent extensive evidence indicates that air pollution, in addition to causing respiratory and cardiovascular diseases, may also negatively affect the brain and contribute to central nervous system diseases. Air pollution is comprised of ambient particulate matter (PM) of different sizes, gases, organic compounds, and metals. An important contributor to PM is represented by traffic-related air pollution, mostly ascribed to diesel exhaust (DE). Epidemiological and animal studies have shown that exposure to air pollution may be associated with multiple adverse effects on the central nervous system. In addition to a variety of behavioral abnormalities, the most prominent effects caused by air pollution are oxidative stress and neuro-inflammation, which are seen in both humans and animals, and are supported by in vitro studies. Among factors which can affect neurotoxic outcomes, age is considered most relevant. Human and animal studies suggest that air pollution may cause developmental neurotoxicity, and may contribute to the etiology of neurodevelopmental disorders, including autism spectrum disorder. In addition, air pollution exposure has been associated with increased expression of markers of neurodegenerative disease pathologies, such as alpha-synuclein or beta-amyloid, and may thus contribute to the etiopathogenesis of neurodegenerative diseases, particularly Alzheimer's disease and Parkinson's disease.
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Affiliation(s)
- Lucio G Costa
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA; Dept. of Medicine & Surgery, University of Parma, Italy.
| | - Toby B Cole
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA; Center on Human Development and Disability, University of Washington, Seattle, WA, USA
| | - Khoi Dao
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Yu-Chi Chang
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Jacki Coburn
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Jacqueline M Garrick
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
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35
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Salvi A, Liu H, Salim S. Involvement of oxidative stress and mitochondrial mechanisms in air pollution-related neurobiological impairments. Neurobiol Stress 2019; 12:100205. [PMID: 32258254 PMCID: PMC7109516 DOI: 10.1016/j.ynstr.2019.100205] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 12/13/2019] [Indexed: 12/16/2022] Open
Abstract
Background Vehicle exhaust emissions are known to be significant contributors to physical and psychological stress. Vehicle exhaust-induced stress and associated respiratory and cardiovascular complications are well-known, but the impact of this stress on the brain is unclear. Simulated vehicle exhaust exposure (SVEE) in rats causes behavioral and cognitive deficits. In the present study, the underlying mechanisms were examined. Our postulation is that SVEE, a simulation of physiologically relevant concentrations of pro-oxidants (0.04% carbon dioxide, 0.9 ppm nitrogen dioxide, 3 ppm carbon monoxide) creates a toxic stress environment in the brain that results in an imbalance between production of reactive oxygen species and the counteracting antioxidant mechanisms. This impairs mitochondrial function in the high bioenergetic demand areas of the brain including the hippocampus (HIP), amygdala (AMY) and the prefrontal cortex (PFC), disrupting neuronal network, and causing behavioral deficits. Mitochondria-targeted antioxidant Mito-Q protects against these impairments. Methods Sprague Dawley rats were provided with Mito-Q (250 μM) in drinking water for 4 weeks followed by SVEE 5 h/day for 2 weeks, followed by behavioral and biochemical assessments. Results SVEE resulted in anxiety- and depression-like behavior, accompanied with increased oxidative stress, diminished antioxidant response and mitochondrial impairment reflected from electron transport chain (ETC) disruption, reduced oxygen consumption, low adenosine tri-phosphate (ATP) synthesis and an alteration in the mitochondrial biochemical dynamics assessed via protein expression profiles of mitochondrial fission marker, dynamin-related protein-1 and fusion markers, mitofusin-1/2 in the HIP, AMY and the PFC. Mito-Q treatment prevented SVEE-induced behavioral deficits, attenuated rise in oxidative stress and also prevented SVEE-induced mitochondrial impairment. Conclusion This study demonstrates a causal mechanism mediating SVEE-induced behavioral deficits in rats. We further established that SVEE is a toxicological stressor that induces oxidative stress and results in mitochondrial impairment, which by disrupting neural circuitry impairs cognitive and behavioral functions. Simulated vehicle exhaust exposure is a source of toxicological stress. Prolonged exposure leads to behavioral deficits and elevated oxidative stress. Oxidative stress elevation triggers mitochondrial impairment in the brain. Mito-Q prevents exhaust-associated behavioral and biochemical alterations.
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Affiliation(s)
- Ankita Salvi
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA
| | - Hesong Liu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA
| | - Samina Salim
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, 77204, USA
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36
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Costa LG, Cole TB, Dao K, Chang YC, Garrick JM. Developmental impact of air pollution on brain function. Neurochem Int 2019; 131:104580. [PMID: 31626830 PMCID: PMC6892600 DOI: 10.1016/j.neuint.2019.104580] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/25/2019] [Accepted: 10/15/2019] [Indexed: 12/15/2022]
Abstract
Air pollution is an important contributor to the global burden of disease, particularly to respiratory and cardiovascular diseases. In recent years, evidence is accumulating that air pollution may adversely affect the nervous system as shown by human epidemiological studies and by animal models. Age appears to play a relevant role in air pollution-induced neurotoxicity, with growing evidence suggesting that air pollution may contribute to neurodevelopmental and neurodegenerative diseases. Traffic-related air pollution (e.g. diesel exhaust) is an important contributor to urban air pollution, and fine and ultrafine particulate matter (PM) may possibly be its more relevant component. Air pollution is associated with increased oxidative stress and inflammation both in the periphery and in the nervous system, and fine and ultrafine PM can directly access the central nervous system. This short review focuses on the adverse effects of air pollution on the developing brain; it discusses some characteristics that make the developing brain more susceptible to toxic effects, and summarizes the animal and human evidence suggesting that exposure to elevated air pollution is associated with a number of behavioral and biochemical adverse effects. It also discusses more in detail the emerging evidence of an association between perinatal exposure to air pollution and increased risk of autism spectrum disorder. Some of the common mechanisms that may underlie the neurotoxicity and developmental neurotoxicity of air pollution are also discussed. Considering the evidence presented in this review, any policy and legislative effort aimed at reducing air pollution would be protective of children's well-being.
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Affiliation(s)
- Lucio G Costa
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA; Dept. of Medicine & Surgery, University of Parma, Italy.
| | - Toby B Cole
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA; Center on Human Development and Disability, University of Washington, Seattle, WA, USA
| | - Khoi Dao
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Yu-Chi Chang
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Jacqueline M Garrick
- Dept. of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
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Salvi A, Salim S. Neurobehavioral Consequences of Traffic-Related Air Pollution. Front Neurosci 2019; 13:1232. [PMID: 31824243 PMCID: PMC6881276 DOI: 10.3389/fnins.2019.01232] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 10/31/2019] [Indexed: 01/01/2023] Open
Abstract
Traffic-related air pollution (TRAP) is a major contributor to global air pollution. The World Health Organization (WHO) has reported that air pollution due to gasoline and diesel emissions from internal combustion engines of automobiles, trucks, locomotives, and ships leads to 800,000 premature deaths annually due to pulmonary, cardiovascular, and neurological complications. It has been observed that individuals living and working in areas of heavy vehicle traffic have high susceptibility to anxiety, depression, and cognitive deficits. Information regarding the mechanisms that potentially lead to detrimental mental health effects of TRAP is gradually increasing. Several studies have suggested that TRAP is associated with adverse effects in the central nervous system (CNS), primarily due to increase in oxidative stress and neuroinflammation. Animal studies have provided further useful insights on the deleterious effects of vehicle exhaust emissions (VEEs). The mechanistic basis for these effects is unclear, although gasoline and diesel exhaust-induced neurotoxicity seems the most plausible cause. Several important points emerge from these studies. First, TRAP leads to neurotoxicity. Second, TRAP alters neurobehavioral function. Exactly how that happens remains unclear. This review article will discuss current state of the literature on this subject and potential leads that have surfaced from the preclinical work.
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Affiliation(s)
- Ankita Salvi
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX, United States
| | - Samina Salim
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX, United States
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Riediker M, Zink D, Kreyling W, Oberdörster G, Elder A, Graham U, Lynch I, Duschl A, Ichihara G, Ichihara S, Kobayashi T, Hisanaga N, Umezawa M, Cheng TJ, Handy R, Gulumian M, Tinkle S, Cassee F. Particle toxicology and health - where are we? Part Fibre Toxicol 2019; 16:19. [PMID: 31014371 PMCID: PMC6480662 DOI: 10.1186/s12989-019-0302-8] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 04/08/2019] [Indexed: 12/22/2022] Open
Abstract
Background Particles and fibres affect human health as a function of their properties such as chemical composition, size and shape but also depending on complex interactions in an organism that occur at various levels between particle uptake and target organ responses. While particulate pollution is one of the leading contributors to the global burden of disease, particles are also increasingly used for medical purposes. Over the past decades we have gained considerable experience in how particle properties and particle-bio interactions are linked to human health. This insight is useful for improved risk management in the case of unwanted health effects but also for developing novel medical therapies. The concepts that help us better understand particles’ and fibres’ risks include the fate of particles in the body; exposure, dosimetry and dose-metrics and the 5 Bs: bioavailability, biopersistence, bioprocessing, biomodification and bioclearance of (nano)particles. This includes the role of the biomolecule corona, immunity and systemic responses, non-specific effects in the lungs and other body parts, particle effects and the developing body, and the link from the natural environment to human health. The importance of these different concepts for the human health risk depends not only on the properties of the particles and fibres, but is also strongly influenced by production, use and disposal scenarios. Conclusions Lessons learned from the past can prove helpful for the future of the field, notably for understanding novel particles and fibres and for defining appropriate risk management and governance approaches.
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Affiliation(s)
- Michael Riediker
- Swiss Centre for Occupational and Environmental Health (SCOEH), Binzhofstrasse 87, CH-8404, Winterthur, Switzerland.
| | - Daniele Zink
- Institute of Bioengineering and Nanotechnology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Wolfgang Kreyling
- Institute of Epidemiology, Helmholtz Center Munich - German Research Center for Environmental Health, Neuherberg, Munich, Germany
| | - Günter Oberdörster
- Department of Environmental Medicine, University of Rochester, Rochester, NY, USA
| | - Alison Elder
- Department of Environmental Medicine, University of Rochester, Rochester, NY, USA
| | | | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Albert Duschl
- Department of Biosciences, Allergy Cancer BioNano Research Centre, University of Salzburg, Salzburg, Austria
| | | | | | | | | | | | | | - Richard Handy
- School of Biological Sciences, Plymouth University, Plymouth, UK
| | - Mary Gulumian
- National Institute for Occupational Health and Haematology and Molecular Medicine, University of the Witwatersrand, Johannesburg, South Africa
| | - Sally Tinkle
- Science and Technology Policy Institute, Washington, DC, USA
| | - Flemming Cassee
- National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands.,Institute for Risk Assessment Studies (IRAS), Utrrecht University, Utrecht, The Netherlands
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Zhao Y, Cao Z, Li H, Su X, Yang Y, Liu C, Hua J. Air pollution exposure in association with maternal thyroid function during early pregnancy. JOURNAL OF HAZARDOUS MATERIALS 2019; 367:188-193. [PMID: 30594719 DOI: 10.1016/j.jhazmat.2018.12.078] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 12/12/2018] [Accepted: 12/20/2018] [Indexed: 05/20/2023]
Abstract
Association of prenatal air pollution exposure with maternal thyroid hormone (TH) levels remains unclear, especially during early pregnancy when even small changes in maternal TH could affect fetal neurodevelopment. We examined the effect of air pollution exposure on maternal TH levels in the second trimester of pregnancy. Serum concentrations of free thyroxine (FT4) and thyroid-stimulating hormone (TSH) in 8077 pregnant women were measured by fluorescence and chemiluminescence immunoassays. Prenatal exposure to fine particulate matter (PM2.5) and nitrogen dioxide (NO2) was estimated using land use regression models. FT4 levels were significantly inversely associated with both PM2.5 and NO2 exposure. A 10 μg/m3 increase in NO2 exposure in first trimester and PM2.5 exposure in second trimester was associated with 0.61% (95% CI, -0.88% to -0.35%) and 0.73% (95% CI, -1.25% to -0.20%) decrease in FT4 levels, respectively. PM2.5 exposure was also associated with elevated odds of maternal hypothyroxinemia. A 10 μg/m3 increase in PM2.5 exposure in both first and second trimester was associated with 28% (OR = 1.28, 95% CI, 1.05-1.57) and 23% (OR = 1.23, 95% CI, 1.00-1.51) increase in the odds of maternal hypothyroxinemia, respectively. Our findings suggest that air pollution may interfere with maternal thyroid function during early pregnancy.
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Affiliation(s)
- Yan Zhao
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Zhijuan Cao
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Huichu Li
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Xiujuan Su
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yingying Yang
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chao Liu
- College of Architecture and Urban Planning, Tongji University, Shanghai, China.
| | - Jing Hua
- Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China.
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Payne-Sturges DC, Marty MA, Perera F, Miller MD, Swanson M, Ellickson K, Cory-Slechta DA, Ritz B, Balmes J, Anderko L, Talbott EO, Gould R, Hertz-Picciotto I. Healthy Air, Healthy Brains: Advancing Air Pollution Policy to Protect Children's Health. Am J Public Health 2019; 109:550-554. [PMID: 30789769 PMCID: PMC6417586 DOI: 10.2105/ajph.2018.304902] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2018] [Indexed: 11/04/2022]
Abstract
Evidence is growing on the adverse neurodevelopmental effects of exposure to combustion-related air pollution. Project TENDR (Targeting Environmental Neurodevelopmental Risks), a unique collaboration of leading scientists, health professionals, and children's and environmental health advocates, has identified combustion-related air pollutants as critical targets for action to protect healthy brain development. We present policy recommendations for maintaining and strengthening federal environmental health protections, advancing state and local actions, and supporting scientific research to inform effective strategies for reducing children's exposures to combustion-related air pollution. Such actions not only would improve children's neurological development but also would have the important co-benefit of climate change mitigation and further improvements in other health conditions.
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Affiliation(s)
- Devon C Payne-Sturges
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Melanie A Marty
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Frederica Perera
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Mark D Miller
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Maureen Swanson
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Kristie Ellickson
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Deborah A Cory-Slechta
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Beate Ritz
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - John Balmes
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Laura Anderko
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Evelyn O Talbott
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Robert Gould
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
| | - Irva Hertz-Picciotto
- Devon C. Payne-Sturges is with the Maryland Institute for Applied Environmental Health, University of Maryland School of Public Health, College Park. Melanie A. Marty is with the Department of Environmental Toxicology, University of California, Davis. Frederica Perera is with the Columbia Center for Children's Environmental Health, Columbia University, New York, NY. Mark D. Miller and John Balmes are with the Division of Occupational Environmental Medicine, University of California, San Francisco. Maureen Swanson is with the Learning Disabilities Association of America, Pittsburgh, PA. Kristie Ellickson is with the Minnesota State Pollution Control Agency, Saint Paul. Deborah A. Cory-Slechta is with the University of Rochester Medical Center, Rochester, NY. Beate Ritz is with the Fielding School of Public Health, University of California, Los Angeles. Laura Anderko is with the School of Nursing and Health Studies, Georgetown University, Washington, DC. Evelyn O. Talbott is with the School of Public Health, University of Pittsburgh, Pittsburgh. Robert Gould is with the School of Medicine, University of California, San Francisco. Irva Hertz-Picciotto is with the Department of Public Health Sciences, School of Medicine; the MIND Institute; and the Children's Center for Environmental Health, University of California, Davis
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Association Between Air Pollution Exposure, Cognitive and Adaptive Function, and ASD Severity Among Children with Autism Spectrum Disorder. J Autism Dev Disord 2019; 48:137-150. [PMID: 28921105 DOI: 10.1007/s10803-017-3304-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Prenatal exposure to air pollution has been associated with autism spectrum disorder (ASD) risk but no study has examined associations with ASD severity or functioning. Cognitive ability, adaptive functioning, and ASD severity were assessed in 327 children with ASD from the Childhood Autism Risks from Genetics and the Environment study using the Mullen Scales of Early Learning (MSEL), the Vineland Adaptive Behavior Scales (VABS), and the Autism Diagnostic Observation Schedule calibrated severity score. Estimates of nitrogen dioxide (NO2), particulate matter (PM2.5 and PM10), ozone, and near-roadway air pollution were assigned to each trimester of pregnancy and first year of life. Increasing prenatal and first year NO2 exposures were associated with decreased MSEL and VABS scores. Increasing PM10 exposure in the third trimester was paradoxically associated with improved performance on the VABS. ASD severity was not associated with air pollution exposure.
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Khan KM, Weigel MM, Yonts S, Rohlman D, Armijos R. Residential exposure to urban traffic is associated with the poorer neurobehavioral health of Ecuadorian schoolchildren. Neurotoxicology 2019; 73:31-39. [PMID: 30826345 DOI: 10.1016/j.neuro.2019.02.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/12/2018] [Accepted: 02/26/2019] [Indexed: 12/18/2022]
Abstract
PURPOSE We investigated whether chronic traffic-generated air pollution containing fine and ultrafine particulate matter is associated with reduced neurobehavioral performance and behavioral dysfunction in urban Ecuadorian schoolchildren. Also, we examined the effect of child hemoglobin and sociodemographic risk factors on these neurocognitive outcomes. METHODS A convenience sample of healthy children aged 8-14 years attending public schools were recruited in Quito, Ecuador. Child residential proximity to the nearest heavily trafficked road was used as a proxy for traffic-related pollutant exposure. These included high exposure (<100 m), medium exposure (100-199 m) and low exposure (≥ 200 m) from the nearest heavily trafficked road. The Behavioral Assessment and Research System (BARS), a computerized test battery assessing attention, memory, learning and motor function was used to evaluate child neurobehavioral performance. The Child Behavior Checklist (CBCL/6-18) was used to assess child behavioral dysfunction as reported by mothers. The data were analyzed using multiple linear regression. RESULTS Children with the highest residential exposure to traffic pollutants (< 100 m) had significantly longer latencies as measured by match to sample (b = 410.27; p = 0.01) and continuous performance (b = 37.90; p = 0.02) compared to those living ≥ 200 m away. A similar but non-significant association was observed for reaction time latency. Children living within 100 m of heavy traffic also demonstrated higher scores across all CBCL subscales although only the relationship with thought problems (p = 0.05) was statistically significant in the adjusted model. CONCLUSION The study findings suggest that children living within 100 m of heavy traffic appear to experience subtle neurobehavioral deficits that may result from fine and ultrafine particulate matter exposure.
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Affiliation(s)
- Khalid M Khan
- Department of Environmental and Occupational Health, School of Public Health, Indiana University-Bloomington, USA.
| | - M Margaret Weigel
- Department of Environmental and Occupational Health, School of Public Health, Indiana University-Bloomington, USA; Global Environmental Health Research Laboratory, School of Public Health, Indiana University-Bloomington, USA
| | - Sarah Yonts
- Department of Environmental and Occupational Health, School of Public Health, Indiana University-Bloomington, USA
| | - Diane Rohlman
- Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, USA
| | - Rodrigo Armijos
- Department of Environmental and Occupational Health, School of Public Health, Indiana University-Bloomington, USA; Global Environmental Health Research Laboratory, School of Public Health, Indiana University-Bloomington, USA
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Ehsanifar M, Tameh AA, Farzadkia M, Kalantari RR, Zavareh MS, Nikzaad H, Jafari AJ. Exposure to nanoscale diesel exhaust particles: Oxidative stress, neuroinflammation, anxiety and depression on adult male mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 168:338-347. [PMID: 30391838 DOI: 10.1016/j.ecoenv.2018.10.090] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/10/2018] [Accepted: 10/24/2018] [Indexed: 05/28/2023]
Abstract
Exposure to nanoscale diesel engines exhausted particles (DEPs) is a well-recognized risk factor for respiratory and cardiovascular diseases. Rodents as commonly used models for urban air pollution in health effect studies demonstrate constant stimulation of inflammatory responses in the main areas of the brain. Nevertheless, the primary effect of diesel exhaust particulate matter on some of the brain regions and relation by behavioral alterations still remains untouched. We evaluated the brain regional inflammatory responses to a nanosized subfraction of diesel engines exhaust particulate matter (DEPs < 200 nm) in an adult male mice brain. Adult male mice were exposed to DEPs for 3, 6, and 8 h per day, 12 weeks and five days per week. Degree of anxiety and the depression by elevated plus maze and Forced Swimming Test respectively (FST) did measurement. After behavior tests, the plasma and some of the brain regions such as olfactory bulb (OB) and hippocampus (HI) were analyzed for oxidative stress and inflammatory responses. The inflammation and oxidative stress changes in OB and HI, markedly coincides with the results of behavioral alterations. These responses corresponded with rapid induction of MDA and nitrite oxide (NO) in brain regions and neuronal nitric oxide synthase (nNOS) mRNA followed by IL6, IL1α, and TNFα in OB and HI. The different times of DEPs exposure, leads to oxidative stress and inflammatory in plasma and brain regions. That this cumulative transport of inhaled nanoscale DEPs into the brain and creating to inflammation responses of brain regions may cause problems of brain function and anxiety and depression.
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Affiliation(s)
- Mojtaba Ehsanifar
- Research Center for Environmental Health Technology and Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran; Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Abolfazl Azami Tameh
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Mahdi Farzadkia
- Research Center for Environmental Health Technology and Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Roshanak Rezaei Kalantari
- Research Center for Environmental Health Technology and Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Hossein Nikzaad
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Ahmad Jonidi Jafari
- Research Center for Environmental Health Technology and Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
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Bernal-Meléndez E, Lacroix MC, Bouillaud P, Callebert J, Olivier B, Persuy MA, Durieux D, Rousseau-Ralliard D, Aioun J, Cassee F, Couturier-Tarrade A, Valentino S, Chavatte-Palmer P, Schroeder H, Baly C. Repeated gestational exposure to diesel engine exhaust affects the fetal olfactory system and alters olfactory-based behavior in rabbit offspring. Part Fibre Toxicol 2019; 16:5. [PMID: 30654819 PMCID: PMC6335688 DOI: 10.1186/s12989-018-0288-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 12/20/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Airborne pollution, especially from diesel exhaust (DE), is known to have a negative effect on the central nervous system in exposed human populations. However, the consequences of gestational exposure to DE on the fetal brain remain poorly explored, with various effects depending on the conditions of exposure, as well as little information on early developmental stages. We investigated the short-term effects of indirect DE exposure throughout gestation on the developing brain using a rabbit model. We analyzed fetal olfactory tissues at the end of gestation and tested behaviors relevant to pups' survival at birth. Pregnant dams were exposed by nose-only inhalation to either clean air or DE with a content of particles (DEP) adjusted to 1 mg/m3 by diluting engine exhaust, for 2 h/day, 5 days/week, from gestational day 3 (GD3) to day 27 (GD27). At GD28, fetal olfactory mucosa, olfactory bulbs and whole brains were collected for anatomical and neurochemical measurements. At postnatal day 2 (PND2), pups born from another group of exposed or control female were examined for their odor-guided behavior in response to the presentation of the rabbit mammary pheromone 2-methyl-3-butyn-2-ol (2MB2). RESULTS At GD28, nano-sized particles were observed in cilia and cytoplasm of the olfactory sensory neurons in the olfactory mucosa and in the cytoplasm of periglomerular cells in the olfactory bulbs of exposed fetuses. Moreover, cellular and axonal hypertrophies were observed throughout olfactory tissues. Concomitantly, fetal serotoninergic and dopaminergic systems were affected in the olfactory bulbs. Moreover, the neuromodulatory homeostasis was disturbed in a sex-dependent manner in olfactory tissues. At birth, the olfactory sensitivity to 2MB2 was reduced in exposed PND2 pups. CONCLUSION Gestational exposure to DE alters olfactory tissues and affects monoaminergic neurotransmission in fetuses' olfactory bulbs, resulting in an alteration of olfactory-based behaviors at birth. Considering the anatomical and functional continuum between the olfactory system and other brain structures, and due to the importance of monoamine neurotransmission in the plasticity of neural circuits, such alterations could participate to disturbances in higher integrative structures, with possible long-term neurobehavioral consequences.
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Affiliation(s)
- Estefanía Bernal-Meléndez
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.,CALBINOTOX, Université de Lorraine, EA7488, Vandœuvre-lès-Nancy, France
| | | | | | - Jacques Callebert
- Service de Biochimie et Biologie Moléculaire, Hôpital Lariboisière, Paris, France
| | - Benoit Olivier
- CALBINOTOX, Université de Lorraine, EA7488, Vandœuvre-lès-Nancy, France
| | - Marie-Annick Persuy
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Didier Durieux
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | | | - Josiane Aioun
- UMR BDR, INRA, ENVA, Université Paris Saclay, 78350, Jouy-en-Josas, France
| | - Flemming Cassee
- Center for Sustainability, Environment and Health, National Institute for Public Health and the Environment, Bilthoven, Netherlands.,Institute of Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
| | | | - Sarah Valentino
- UMR BDR, INRA, ENVA, Université Paris Saclay, 78350, Jouy-en-Josas, France
| | | | - Henri Schroeder
- CALBINOTOX, Université de Lorraine, EA7488, Vandœuvre-lès-Nancy, France
| | - Christine Baly
- NeuroBiologie de l'Olfaction, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France.
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45
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Onoda A, Takeda K, Umezawa M. Dysregulation of major functional genes in frontal cortex by maternal exposure to carbon black nanoparticle is not ameliorated by ascorbic acid pretreatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 634:1126-1135. [PMID: 29660869 DOI: 10.1016/j.scitotenv.2018.04.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 03/31/2018] [Accepted: 04/01/2018] [Indexed: 06/08/2023]
Abstract
Recent cohort studies have revealed that perinatal exposure to particulate air pollution, including carbon-based nanoparticles, increases the risk of brain disorders. Although developmental neurotoxicity is currently a major issue in the toxicology of nanoparticles, critical information for understanding the mechanisms underlying the developmental neurotoxicity of airway exposure to carbon black nanoparticle (CB-NP) is still lacking. In order to investigate these mechanisms, we comprehensively analyzed fluctuations in the gene expression profile of the frontal cortex of offspring mice exposed maternally to CB-NP, using microarray analysis combined with Gene Ontology information. We also analyzed differences in the enriched function of genes dysregulated by maternal CB-NP exposure with and without ascorbic acid pretreatment to refine specific alterations in gene expression induced by CB-NP. Total of 652 and 775 genes were dysregulated by CB-NP in the frontal cortex of 6- and 12-week-old offspring mice, respectively. Among the genes dysregulated by CB-NP, those related to extracellular matrix structural constituent, cellular response to interferon-beta, muscle organ development, and cysteine-type endopeptidase inhibitor activity were ameliorated by ascorbic acid pretreatment. A large proportion of the dysregulated genes, categorized in hemostasis, growth factor, chemotaxis, cell proliferation, blood vessel, and dopaminergic neurotransmission, were, however, not ameliorated by ascorbic acid pretreatment. The lack of effects of ascorbic acid on the dysregulation of genes following maternal CB-NP exposure suggests that the contribution of oxidative stress to the effects of CB-NP on these biological functions, i.e., cell migration and proliferation, blood vessel maintenance, and dopaminergic neuron system, may be limited. At least, ascorbic acid pretreatment is hardly likely to be able to protect the brain of offspring from developmental neurotoxicity of CB-NP. The present study provides insight into the mechanisms underlying developmental neurotoxicity following maternal nanoparticle exposure.
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Affiliation(s)
- Atsuto Onoda
- Department of Hygienic Chemistry, Graduate School of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Organization for Research Advancement, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; Research Fellow of Japan Society for the Promotion of Science, 5-3-1 Kouji-machi, Chiyoda-ku, Tokyo 102-0083, Japan.
| | - Ken Takeda
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Organization for Research Advancement, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
| | - Masakazu Umezawa
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Organization for Research Advancement, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan; Department of Materials Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, 6-3-1 Niijuku, Katsushika, Tokyo 125-8585, Japan.
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46
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Prenatal and early-life diesel exhaust exposure causes autism-like behavioral changes in mice. Part Fibre Toxicol 2018; 15:18. [PMID: 29678176 PMCID: PMC5910592 DOI: 10.1186/s12989-018-0254-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/09/2018] [Indexed: 01/27/2023] Open
Abstract
Background Escalating prevalence of autism spectrum disorders (ASD) in recent decades has triggered increasing efforts in understanding roles played by environmental risk factors as a way to address this widespread public health concern. Several epidemiological studies show associations between developmental exposure to traffic-related air pollution and increased ASD risk. In rodent models, a limited number of studies have shown that developmental exposure to ambient ultrafine particulates or diesel exhaust (DE) can result in behavioral phenotypes consistent with mild ASD. We performed a series of experiments to determine whether developmental DE exposure induces ASD-related behaviors in mice. Results C57Bl/6J mice were exposed from embryonic day 0 to postnatal day 21 to 250–300 μg/m3 DE or filtered air (FA) as control. Mice exposed developmentally to DE exhibited deficits in all three of the hallmark categories of ASD behavior: reduced social interaction in the reciprocal interaction and social preference tests, increased repetitive behavior in the T-maze and marble-burying test, and reduced or altered communication as assessed by measuring isolation-induced ultrasonic vocalizations and responses to social odors. Conclusions These findings demonstrate that exposure to traffic-related air pollution, in particular that associated with diesel-fuel combustion, can cause ASD-related behavioral changes in mice, and raise concern about air pollution as a contributor to the onset of ASD in humans. Electronic supplementary material The online version of this article (10.1186/s12989-018-0254-4) contains supplementary material, which is available to authorized users.
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47
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Myhre O, Låg M, Villanger GD, Oftedal B, Øvrevik J, Holme JA, Aase H, Paulsen RE, Bal-Price A, Dirven H. Early life exposure to air pollution particulate matter (PM) as risk factor for attention deficit/hyperactivity disorder (ADHD): Need for novel strategies for mechanisms and causalities. Toxicol Appl Pharmacol 2018; 354:196-214. [PMID: 29550511 DOI: 10.1016/j.taap.2018.03.015] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/14/2018] [Accepted: 03/12/2018] [Indexed: 12/11/2022]
Abstract
Epidemiological studies have demonstrated that air pollution particulate matter (PM) and adsorbed toxicants (organic compounds and trace metals) may affect child development already in utero. Recent studies have also indicated that PM may be a risk factor for neurodevelopmental disorders (NDDs). A pattern of increasing prevalence of attention deficit/hyperactivity disorder (ADHD) has been suggested to partly be linked to environmental pollutants exposure, including PM. Epidemiological studies suggest associations between pre- or postnatal exposure to air pollution components and ADHD symptoms. However, many studies are cross-sectional without possibility to reveal causality. Cohort studies are often small with poor exposure characterization, and confounded by traffic noise and socioeconomic factors, possibly overestimating the study associations. Furthermore, the mechanistic knowledge how exposure to PM during early brain development may contribute to increased risk of ADHD symptoms or cognitive deficits is limited. The closure of this knowledge gap requires the combined use of well-designed longitudinal cohort studies, supported by mechanistic in vitro studies. As ADHD has profound consequences for the children affected and their families, the identification of preventable risk factors such as air pollution exposure should be of high priority.
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Affiliation(s)
- Oddvar Myhre
- Department of Toxicology and Risk Assessment, Norwegian Institute of Public Health, Oslo, Norway.
| | - Marit Låg
- Department of Air pollution and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Gro D Villanger
- Department of Child Health and Development, Norwegian Institute of Public Health, Oslo, Norway
| | - Bente Oftedal
- Department of Air pollution and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Johan Øvrevik
- Department of Air pollution and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Jørn A Holme
- Department of Air pollution and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Heidi Aase
- Department of Child Health and Development, Norwegian Institute of Public Health, Oslo, Norway
| | - Ragnhild E Paulsen
- Department of Pharmaceutical Biosciences, School of Pharmacy, University of Oslo, Norway
| | - Anna Bal-Price
- European Commission, Joint Research Centre, Ispra, Italy
| | - Hubert Dirven
- Department of Toxicology and Risk Assessment, Norwegian Institute of Public Health, Oslo, Norway
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48
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Church JS, Tijerina PB, Emerson FJ, Coburn MA, Blum JL, Zelikoff JT, Schwartzer JJ. Perinatal exposure to concentrated ambient particulates results in autism-like behavioral deficits in adult mice. Neurotoxicology 2018; 65:231-240. [PMID: 29104007 PMCID: PMC5857220 DOI: 10.1016/j.neuro.2017.10.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/19/2017] [Accepted: 10/28/2017] [Indexed: 11/15/2022]
Abstract
Exposure to fine ambient particulates (PM2.5) during gestation or neonatally has potent neurotoxic effects. While biological and behavioral data indicate a vulnerability to environmental pollutants across distinct neurodevelopmental windows, the behavioral consequences following exposure across the entire developmental period remain unknown. Moreover, several epidemiological studies support a link between developmental exposure to air pollution and an increased risk of later receiving a diagnosis of autism spectrum disorders (ASD), a neurodevelopmental disorder that persists throughout life. In the current study we sought to determine whether perinatal exposure to PM2.5 would reduce sociability and increase repetitive deficits in mice, two hallmark characteristics of ASD. Pregnant female B6C3F1 mice were exposed daily to concentrated ambient PM2.5 (CAPs) (135.8μg/m3) or filtered air (3.1μg/m3) throughout gestation followed by additional exposures to both dams and their litters from days 2-10 postpartum. Adult offspring were subsequently assessed for social and repetitive behaviors at 20 weeks of age. Daily perinatal exposure to CAPs significantly decreased sociability in male and female mice as measured by the social approach task; however, reductions in reciprocal social interaction and increased grooming behavior were only present in male offspring exposed to CAPs. These findings demonstrate that exposure to particulate air pollutants throughout early neurodevelopment induces long lasting behavioral deficits in a sex-dependent manner and may be an underlying cause of neurodevelopmental disorders such as ASD.
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Affiliation(s)
- Jamie S Church
- Program in Neuroscience and Behavior, Department of Psychology and Education, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA
| | - Pamella B Tijerina
- Department of Environmental Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Felicity J Emerson
- Program in Neuroscience and Behavior, Department of Psychology and Education, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA
| | - Morgan A Coburn
- Program in Neuroscience and Behavior, Department of Psychology and Education, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA
| | - Jason L Blum
- Department of Environmental Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Judith T Zelikoff
- Department of Environmental Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA.
| | - Jared J Schwartzer
- Program in Neuroscience and Behavior, Department of Psychology and Education, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA.
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49
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Wang P, Tuvblad C, Younan D, Franklin M, Lurmann F, Wu J, Baker LA, Chen JC. Socioeconomic disparities and sexual dimorphism in neurotoxic effects of ambient fine particles on youth IQ: A longitudinal analysis. PLoS One 2017; 12:e0188731. [PMID: 29206872 PMCID: PMC5716576 DOI: 10.1371/journal.pone.0188731] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 11/13/2017] [Indexed: 12/27/2022] Open
Abstract
Mounting evidence indicates that early-life exposure to particulate air pollutants pose threats to children's cognitive development, but studies about the neurotoxic effects associated with exposures during adolescence remain unclear. We examined whether exposure to ambient fine particles (PM2.5) at residential locations affects intelligence quotient (IQ) during pre-/early- adolescence (ages 9-11) and emerging adulthood (ages 18-20) in a demographically-diverse population (N = 1,360) residing in Southern California. Increased ambient PM2.5 levels were associated with decreased IQ scores. This association was more evident for Performance IQ (PIQ), but less for Verbal IQ, assessed by the Wechsler Abbreviated Scale of Intelligence. For each inter-quartile (7.73 μg/m3) increase in one-year PM2.5 preceding each assessment, the average PIQ score decreased by 3.08 points (95% confidence interval = [-6.04, -0.12]) accounting for within-family/within-individual correlations, demographic characteristics, family socioeconomic status (SES), parents' cognitive abilities, neighborhood characteristics, and other spatial confounders. The adverse effect was 150% greater in low SES families and 89% stronger in males, compared to their counterparts. Better understanding of the social disparities and sexual dimorphism in the adverse PM2.5-IQ effects may help elucidate the underlying mechanisms and shed light on prevention strategies.
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Affiliation(s)
- Pan Wang
- Center for Health Policy Research, University of California Los Angeles, Los Angeles, United States of America
| | - Catherine Tuvblad
- Department of Psychology, University of Southern California, Los Angeles, United States of America
- School of Law, Psychology and Social Work, Örebro University, Örebro, Sweden
| | - Diana Younan
- Department of Preventive Medicine, University of Southern California, Los Angeles, United States of America
| | - Meredith Franklin
- Department of Preventive Medicine, University of Southern California, Los Angeles, United States of America
| | - Fred Lurmann
- Sonoma Technology, Inc., Petaluma, California, United States of America
| | - Jun Wu
- Program in Public Health, University of California Irvine, Irvine, United States of America
| | - Laura A. Baker
- Department of Psychology, University of Southern California, Los Angeles, United States of America
| | - Jiu-Chiuan Chen
- Department of Preventive Medicine, University of Southern California, Los Angeles, United States of America
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50
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Zhang Y, Wu J, Feng X, Wang R, Chen A, Shao L. Current understanding of the toxicological risk posed to the fetus following maternal exposure to nanoparticles. Expert Opin Drug Metab Toxicol 2017; 13:1251-1263. [PMID: 29086601 DOI: 10.1080/17425255.2018.1397131] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION With the broad use of nanotechnology, the number and variety of nanoparticles that humans can be exposed to has further increased. Consequently, there is growing concern about the potential effect of maternal exposure to various nanoparticles during pregnancy on a fetus. However, the nature of this risk is not fully known. Areas covered: In this review, materno-fetal transfer of nanoparticles through the placenta is described. Both prenatal and postnatal adverse effects, such as fetal resorption, malformation and injury to various organs in mice exposed to nanoparticles are reviewed. The potential mechanisms of toxicity are also discussed. Expert opinion: The toxicology and safe application of recently developed nanoparticles has attracted much attention in the past few years. Although many studies have demonstrated the toxicology of nanoparticles in various species, only a small number of studies have examined the effect on a fetus after maternal exposure to nanoparticles. This is particularly important, because the developing fetus is especially vulnerable to the toxic effects of nanoparticles during fetal development due to the unique physical stage of the fetus. Nanoparticles may directly or indirectly impair fetal development and growth after maternal exposure to nanoparticles.
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Affiliation(s)
- Yanli Zhang
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Junrong Wu
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Xiaoli Feng
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Ruolan Wang
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Aijie Chen
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
| | - Longquan Shao
- a Department of Stomatology , Nanfang Hospital, Southern Medical University , Guangzhou , PR China
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