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Maciel-Ruiz JA, López-Rivera C, Robles-Morales R, Veloz-Martínez MG, López-Arellano R, Rodríguez-Patiño G, Petrosyan P, Govezensky T, Salazar AM, Ostrosky-Wegman P, Montero-Montoya R, Gonsebatt ME. Prenatal exposure to particulate matter and ozone: Bulky DNA adducts, plasma isoprostanes, allele risk variants, and neonate susceptibility in the Mexico City Metropolitan Area. Environ Mol Mutagen 2019; 60:428-442. [PMID: 30706525 DOI: 10.1002/em.22276] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 11/27/2018] [Accepted: 01/25/2019] [Indexed: 06/09/2023]
Abstract
Mexico City's Metropolitan Area (MCMA) includes Mexico City and 60 municipalities of the neighbor states. Inhabitants are exposed to emissions from over five million vehicles and stationary sources of air pollutants such as particulate matter (PM) and ozone. MCMA PM contains elemental carbon and organic carbon (OC). OCs include polycyclic aromatic hydrocarbons (PAHs), many of which induce mutagenic and carcinogenic DNA adducts. Gestational exposure to air pollution has been associated with increased risk of intrauterine growth restriction, preterm birth or low birth weight risk, and PAH-DNA adducts. These effects also depend on the presence of risk alleles. We investigated the presence of bulky PAH-DNA adducts, plasma 8-iso-PGF2α (8-iso-prostaglandin F2α ) and risk allele variants in neonates cord blood and their non-smoking mothers' leucocytes from families that were living in a highly polluted area during 2014-2015. The presence of adducts was significantly associated with both PM2.5 and PM10 levels, mainly during the last trimester of gestation in both neonates and mothers, while the last month of pregnancy was significant for the association between ozone levels and maternal plasma 8-iso-PGF2α . Fetal CYP1B1*3 risk allele was associated with increased adduct levels in neonates while the presence of the maternal allele significantly reduced the levels of fetal adducts. Maternal NQO1*2 was associated with lower maternal levels of adducts. Our findings suggest the need to reduce actual PM limits in MCMA. We did not observe a clear association between PM and/or adduct levels and neonate weight, length, body mass index, Apgar or Capurro score. Environ. Mol. Mutagen. 60:428-442, 2019. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Jorge A Maciel-Ruiz
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Cristina López-Rivera
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Rogelio Robles-Morales
- División de Investigación de la Unidad Médica de Alta Especialidad, Hospital de Gineco-Obstetricia 3 "Dr. Victor Manuel Espinosa de los Reyes Sánchez", Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - Maria G Veloz-Martínez
- División de Investigación de la Unidad Médica de Alta Especialidad, Hospital de Gineco-Obstetricia 3 "Dr. Victor Manuel Espinosa de los Reyes Sánchez", Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - Raquel López-Arellano
- LEDEFAR, Facultad de Estudios Superiores Cuatitlán, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Gabriela Rodríguez-Patiño
- LEDEFAR, Facultad de Estudios Superiores Cuatitlán, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Pavel Petrosyan
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Tzipe Govezensky
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Ana M Salazar
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Patricia Ostrosky-Wegman
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Regina Montero-Montoya
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Maria E Gonsebatt
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
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Aztatzi-Aguilar OG, Valdés-Arzate A, Debray-García Y, Calderón-Aranda ES, Uribe-Ramirez M, Acosta-Saavedra L, Gonsebatt ME, Maciel-Ruiz JA, Petrosyan P, Mugica-Alvarez V, Gutiérrez-Ruiz MC, Gómez-Quiroz LE, Osornio-Vargas A, Froines J, Kleinman MT, De Vizcaya-Ruiz A. Exposure to ambient particulate matter induces oxidative stress in lung and aorta in a size- and time-dependent manner in rats. Toxicology Research and Application 2018. [DOI: 10.1177/2397847318794859] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Exposure to particulate matter (PM) has been implicated in oxidative stress (OxS) and inflammation as underlying mechanisms of lung damage and cardiovascular alterations. PM is a chemical mixture that can be subdivided according to their aerodynamic size into coarse (CP), fine (FP), and ultrafine (UFP) particulates. We investigated, in a rat model, the induction of OxS (protein oxidation and antioxidant response), carcinogen-DNA adduct formation, and inflammatory mediators in lung in response to different airborne particulate fractions, CP, FP, and UFP, after an acute and subchronic exposure. In addition, OxS was evaluated in the aorta to assess the effects beyond the lungs. Exposure to CP, FP, and UFP induced time- and size-dependent lung protein oxidation and DNA adduct formation. After acute and subchronic exposure, nuclear factor erythroid-2 (Nrf2) activation was observed in the lung, by electrophoretic mobility shift assay, and the induction of mRNA antioxidant enzymes in the FP and UFP groups, but not in the CP. Cytokine concentration of interleukin 1β, interleukin 6, and macrophage inflammatory protein-2 was significantly increased in bronchoalveolar lavage fluid after acute exposure to FP and UFP. Activation of Nrf2 and expression of mRNA antioxidant enzymes were observed only after the subchronic exposure to FP and UFP in the aorta. Our results indicate that FP and UFP were mainly accountable for the oxidant toxic effects in the lung; OxS is spread from the lung to the cardiovascular system. We conclude that the biological mechanisms associated with transient OxS and inflammation are particle size and time-dependent exposure resulting in acute lung injury, which later reaches the vascular system.
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Affiliation(s)
- OG Aztatzi-Aguilar
- Cátedras-CONACYT
- Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, Mexico
| | - A Valdés-Arzate
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
| | - Y Debray-García
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
| | - ES Calderón-Aranda
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
| | - M Uribe-Ramirez
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
| | - L Acosta-Saavedra
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
| | - ME Gonsebatt
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, México
| | - JA Maciel-Ruiz
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, México
| | - P Petrosyan
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CDMX, México
| | - V Mugica-Alvarez
- Área de Química Aplicada, Universidad Autónoma Metropolitana, CDMX, México
| | - MC Gutiérrez-Ruiz
- Departamento Ciencias de la Salud, Universidad Autónoma Metropolitana, and Unidad de Medicina Traslacional UNAM/INCICH, Instituto de Investigaciones Biomédicas, CDMX, México
| | - LE Gómez-Quiroz
- Departamento Ciencias de la Salud, Universidad Autónoma Metropolitana, and Unidad de Medicina Traslacional UNAM/INCICH, Instituto de Investigaciones Biomédicas, CDMX, México
| | - A Osornio-Vargas
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - J Froines
- Center for Occupational and Environmental Health, School of Public Health, University of California Los Angeles, Los Angeles, CA, USA
| | - MT Kleinman
- Department of Medicine, School of Medicine, University of California-Irvine, Irvine, CA, USA
| | - A De Vizcaya-Ruiz
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Av. Instituto Politécnico Nacional, CDMX, México
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