1
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Hunter R, Wilson T, Lucas S, Scieszka D, Bleske B, Ottens A, Ashley R, Pace C, Kanagy N, Campen M. Characterization of Mild Delayed Gestational Hypertension in Rats Following Ozone Exposure. Cardiovasc Toxicol 2024:10.1007/s12012-024-09887-w. [PMID: 38963633 DOI: 10.1007/s12012-024-09887-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 06/27/2024] [Indexed: 07/05/2024]
Abstract
The contribution of air pollution-induced cardiopulmonary damage on the development of hypertensive disorders of pregnancy and other adverse outcomes of pregnancy has gained increased attention as epidemiological data continue to highlight spatiotemporal pregnancy trends related to air pollution exposure. However clinical mechanistic data surrounding gestational complications remain sparse, necessitating the need for the use of animal models to study these types of complications of pregnancy. The current study seeks to examine the real-time effects of mid-gestational ozone exposure on maternal blood pressure and body temperature through the use of radiotelemetry in a rat model. The exposure resulted in acute depression of heart rate and core body temperature as compared to control animals. Ozone-exposed animals also presented with a slight but significant increase in arterial blood pressure which was perpetuated until term. The data presented here illustrates the feasibility of murine models to assess cardiovascular complications caused by inhaled toxicants during the window of pregnancy.
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Affiliation(s)
- Russell Hunter
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA
| | - Thomas Wilson
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA
| | - Selita Lucas
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA
| | - David Scieszka
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA
| | - Barry Bleske
- Department of Pharmacy Practice and Administrative Sciences, University of New Mexico College of Pharmacy, Albuquerque, NM, 87131, USA
| | - Andrew Ottens
- Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Ryan Ashley
- New Mexico State University, Las Cruces, NM, 88003, USA
| | - Carolyn Pace
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Nancy Kanagy
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Matthew Campen
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM, 87131-0001, USA.
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2
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Collins HE, Alexander BT, Care AS, Davenport MH, Davidge ST, Eghbali M, Giussani DA, Hoes MF, Julian CG, LaVoie HA, Olfert IM, Ozanne SE, Bytautiene Prewit E, Warrington JP, Zhang L, Goulopoulou S. Guidelines for assessing maternal cardiovascular physiology during pregnancy and postpartum. Am J Physiol Heart Circ Physiol 2024; 327:H191-H220. [PMID: 38758127 DOI: 10.1152/ajpheart.00055.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/22/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024]
Abstract
Maternal mortality rates are at an all-time high across the world and are set to increase in subsequent years. Cardiovascular disease is the leading cause of death during pregnancy and postpartum, especially in the United States. Therefore, understanding the physiological changes in the cardiovascular system during normal pregnancy is necessary to understand disease-related pathology. Significant systemic and cardiovascular physiological changes occur during pregnancy that are essential for supporting the maternal-fetal dyad. The physiological impact of pregnancy on the cardiovascular system has been examined in both experimental animal models and in humans. However, there is a continued need in this field of study to provide increased rigor and reproducibility. Therefore, these guidelines aim to provide information regarding best practices and recommendations to accurately and rigorously measure cardiovascular physiology during normal and cardiovascular disease-complicated pregnancies in human and animal models.
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Grants
- HL169157 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HD083132 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Jewish Heritage Fund for Excellence
- The Biotechnology and Biological Sciences Research Council
- P20GM103499 HHS | NIH | National Institute of General Medical Sciences (NIGMS)
- Distinguished University Professor
- HL146562 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- The Lister Insititute
- ES032920 HHS | NIH | National Institute of Environmental Health Sciences (NIEHS)
- Canadian Insitute's of Health Research Foundation Grant
- HL149608 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- Christenson professor In Active Healthy Living
- Royal Society (The Royal Society)
- U.S. Department of Defense (DOD)
- HL138181 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- MC_00014/4 UKRI | Medical Research Council (MRC)
- HD111908 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- HL163003 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- APP2002129 NHMRC Ideas Grant
- HL159865 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- British Heart Foundation (BHF)
- HL131182 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HL163818 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- NS103017 HHS | NIH | National Institute of Neurological Disorders and Stroke (NINDS)
- HL143459 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- 20CSA35320107 American Heart Association (AHA)
- RG/17/12/33167 British Heart Foundation (BHF)
- National Heart Foundation Future Leader Fellowship
- P20GM121334 HHS | NIH | National Institute of General Medical Sciences (NIGMS)
- HL146562-04S1 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HL155295 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HD088590-06 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- HL147844 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- WVU SOM Synergy Grant
- R01 HL146562 NHLBI NIH HHS
- HL159447 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- ES034646-01 HHS | NIH | National Institute of Environmental Health Sciences (NIEHS)
- HL150472 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- 2021T017 Dutch Heart Foundation Dekker Grant
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Affiliation(s)
- Helen E Collins
- University of Louisville, Louisville, Kentucky, United States
| | - Barbara T Alexander
- University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Alison S Care
- University of Adelaide, Adelaide, South Australia, Australia
| | | | | | - Mansoureh Eghbali
- University of California Los Angeles, Los Angeles, California, United States
| | | | | | - Colleen G Julian
- University of Colorado School of Medicine, Aurora, Colorado, United States
| | - Holly A LaVoie
- University of South Carolina School of Medicine, Columbia, South Carolina, United States
| | - I Mark Olfert
- West Virginia University School of Medicine, Morgantown, West Virginia, United States
| | | | | | - Junie P Warrington
- University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Lubo Zhang
- Loma Linda University School of Medicine, Loma Linda, California, United States
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3
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Chorley BN, Klinefelter GR, Nelson GM, Strader LF, Nguyen HH, Schladweiler MC, Palmer G, Moore ML, Grindstaff RD, Padgett WT, Carswell GK, Fisher AA, Kodavanti UP, Dye JA, Miller CN. Episodic ozone exposure in Long-Evans rats has limited effects on cauda sperm motility and non-coding RNA populations. Reprod Toxicol 2024; 128:108631. [PMID: 38830453 DOI: 10.1016/j.reprotox.2024.108631] [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: 04/23/2024] [Revised: 05/29/2024] [Accepted: 05/31/2024] [Indexed: 06/05/2024]
Abstract
Epidemiological evidence suggests the potential for air pollutants to induce male reproductive toxicity. In experimental studies, exposure to ozone during sensitive windows in the sperm lifecycle has been associated with impaired sperm motility. Subsequently, we sought to investigate the effects of episodic exposure to ozone during sperm maturation in the rat. Long-Evans rats were exposed to either filtered air or ozone (0.4 or 0.8 ppm) for five non-consecutive days over two weeks. Ozone exposure did not impact male reproductive organ weights or sperm motility ∼24 hours following the final exposure. Furthermore, circulating sex hormones remained unchanged despite increased T3 and T4 in the 0.8 ppm group. While there was indication of altered adrenergic signaling attributable to ozone exposure in the testis, there were minimal impacts on small non-coding RNAs detected in cauda sperm. Only two piwi-interacting RNAs (piRNAs) were altered in the mature sperm of ozone-exposed rats (piR-rno-346434 and piR-rno-227431). Data across all rats were next analyzed to identify any non-coding RNAs that may be correlated with reduced sperm motility. A total of 7 microRNAs (miRNAs), 8 RNA fragments, and 1682 piRNAs correlated well with sperm motility. Utilizing our exposure paradigm herein, we were unable to substantiate the relationship between ozone exposure during maturation with sperm motility. However, these approaches served to identify a suite of non-coding RNAs that were associated with sperm motility in rats. With additional investigation, these RNAs may prove to have functional roles in the acquisition of motility or be unique biomarkers for male reproductive toxicity.
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Affiliation(s)
- Brian N Chorley
- Center for Computational Toxicology and Exposure, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Gary R Klinefelter
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Gail M Nelson
- Center for Computational Toxicology and Exposure, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Lillian F Strader
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Helen H Nguyen
- Oak Ridge Institute for Science and Education, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Mette C Schladweiler
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Grant Palmer
- Oak Ridge Institute for Science and Education, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Makala L Moore
- Oak Ridge Institute for Science and Education, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Rachel D Grindstaff
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - William T Padgett
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Gleta K Carswell
- Center for Computational Toxicology and Exposure, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Anna A Fisher
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Urmila P Kodavanti
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Janice A Dye
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States
| | - Colette N Miller
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U S. Environmental Protection Agency, Research Triangle Park, NC, United States.
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4
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Fussell JC, Jauniaux E, Smith RB, Burton GJ. Ambient air pollution and adverse birth outcomes: A review of underlying mechanisms. BJOG 2024; 131:538-550. [PMID: 38037459 PMCID: PMC7615717 DOI: 10.1111/1471-0528.17727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023]
Abstract
Epidemiological data provide varying degrees of evidence for associations between prenatal exposure to ambient air pollutants and adverse birth outcomes (suboptimal measures of fetal growth, preterm birth and stillbirth). To assess further certainty of effects, this review examines the experimental literature base to identify mechanisms by which air pollution (particulate matter, nitrogen dioxide and ozone) could cause adverse effects on the developing fetus. It likely that this environmental insult impacts multiple biological pathways important for sustaining a healthy pregnancy, depending upon the composition of the pollutant mixture and the exposure window owing to changes in physiologic maturity of the placenta, its circulations and the fetus as pregnancy ensues. The current body of evidence indicates that the placenta is a target tissue, impacted by a variety of critical processes including nitrosative/oxidative stress, inflammation, endocrine disruption, epigenetic changes, as well as vascular dysregulation of the maternal-fetal unit. All of the above can disturb placental function and, as a consequence, could contribute to compromised fetal growth as well increasing the risk of stillbirth. Furthermore, given that there is often an increased inflammatory response associated with preterm labour, inflammation is a plausible mechanism mediating the effects of air pollution on premature delivery. In the light of increased urbanisation and an ever-changing climate, both of which increase ambient air pollution and negatively affect vulnerable populations such as pregnant individuals, it is hoped that the collective evidence may contribute to decisions taken to strengthen air quality policies, reductions in exposure to air pollution and subsequent improvements in the health of those not yet born.
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Affiliation(s)
- Julia C. Fussell
- MRC Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom
- National Institute for Health and Care Research Health Protection Research Unit in Environmental Exposures and Health, Imperial College London, London, United Kingdom
| | - Eric Jauniaux
- EGA Institute for Women's Health, Faculty of Population Health Sciences, University College London, London, UK
| | - Rachel B. Smith
- MRC Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom
- National Institute for Health and Care Research Health Protection Research Unit in Environmental Exposures and Health, Imperial College London, London, United Kingdom
- Mohn Centre for Children’s Health and Wellbeing, School of Public Health, Imperial College London, London, UK
| | - Graham J. Burton
- Department of Physiology, Development and Neuroscience, University of Cambridge
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5
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Hunter R, Wilson T, Lucas S, Scieszka D, Bleske B, Ottens A, Ashley R, Pace C, Kanagy N, Campen MJ. Characterization of Mild Delayed Gestational Hypertension in Rats Following Ozone Exposure. RESEARCH SQUARE 2024:rs.3.rs-3977101. [PMID: 38464279 PMCID: PMC10925442 DOI: 10.21203/rs.3.rs-3977101/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The contribution of air pollution induced cardio-pulmonary damage on the development of hypertensive disorders of pregnancy and other adverse outcomes of pregnancy has gained increased attention as epidemiological data continues to highlight spatiotemporal pregnancy trends related to air pollution exposure. However clinical mechanistic data surrounding gestational complications remains sparse, necessitating the need for the use of animal models to study these types of complications of pregnancy. The current study seeks to examine the real-time effects of mid-gestational ozone exposure on maternal blood pressure and body temperature through the use of radiotelemetry in a rat model. The exposure resulted in acute depression of heart rate and core body temperature as compared to control animals. Ozone exposed animals also presented with a slight but significant increase in arterial blood pressure which was perpetuated until term. The data presented here illustrates the feasibility of murine models to assess cardiovascular complications caused by inhaled toxicants during the window of pregnancy.
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6
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Zhang C, Yang J, Wei J, Liu Y, Zhu H, Li X, Wang J, Chen R. Individual ambient ozone exposure during pregnancy and adverse birth outcomes: Exploration of the potentially vulnerable windows. JOURNAL OF HAZARDOUS MATERIALS 2024; 464:132945. [PMID: 37980828 DOI: 10.1016/j.jhazmat.2023.132945] [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: 09/04/2023] [Revised: 10/13/2023] [Accepted: 11/04/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND Ambient ozone (O3) exposure during pregnancy might be associated with preterm birth (PTB) and low birth weight (LBW); however, existing evidence remains inconclusive. It is necessary to explore the relationships and potential susceptible periods further. METHODS To explore the relationship between O3 exposure and adverse birth outcomes, a study using records of 34,122 singleton live births in Beijing between 2016 and 2019 was conducted. The O3 exposure in each gestational week of pregnant women was estimated, and Cox proportional hazard models were used to estimate the hazard ratios (HRs) and corresponding 95% confidence intervals (CIs). Distributed lag nonlinear model (DLNM) incorporated in Cox proportional hazard models were used to explore potential critical windows. RESULTS An increase of 10 μg/m3 in O3 exposure was associated with a 3.9% (95%CI: 0.6-7.3%) higher risk of PTB. Additionally, this increase in O3 exposure was positively linked to PTB during the 2nd - 7th, 22nd - 29th, and 37th gestational weeks, and LBW during the 2nd - 7th, 24th - 29th, and 37th gestational weeks. CONCLUSIONS This study demonstrates a positive correlation between O3 exposure and PTB, and identified specific sensitive periods during pregnancy when the risk was higher.
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Affiliation(s)
- Chenqing Zhang
- School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Jie Yang
- Maternal and Child Health Care Hospital of Tongzhou District, Beijing 101101, PR China
| | - Jing Wei
- Department of Atmospheric and Oceanic Science, Earth System Science Interdisciplinary Center, University of Maryland, College Park, USA
| | - Yuansheng Liu
- School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Huiping Zhu
- School of Public Health, Capital Medical University, Beijing 100069, PR China; Laboratory for Gene-Environment and Reproductive Health, Laboratory for Clinical Medicine, Capital Medical University, PR China
| | - Xiaobo Li
- School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Jiajia Wang
- School of Public Health, Capital Medical University, Beijing 100069, PR China; Laboratory for Gene-Environment and Reproductive Health, Laboratory for Clinical Medicine, Capital Medical University, PR China.
| | - Rui Chen
- School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Laboratory of Allergic Diseases, Capital Medical University, Beijing 100069, PR China.
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7
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Zhu Y, Ma Y, Tang L, Li H, Miao C, Cao H, Tian Y. The adverse impact of maternal ozone exposure on fetal growth in utero and the interaction with residential greenness. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132562. [PMID: 37729709 DOI: 10.1016/j.jhazmat.2023.132562] [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: 07/13/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 09/22/2023]
Abstract
This study aimed to investigate the effect of maternal ozone exposure on fetal growth during pregnancy, as well as the combined effect and interaction of ozone and residential greenness. We included a total of 14990 singleton pregnancies from the Fujian Birth Cohort Study. During pregnancy, fetal growth parameters including estimated fetal weight (EFW), femur length (FL), head circumference (HC), and abdominal circumference (AC). To investigate the associations between ozone exposure and the above-mentioned outcomes, generalized estimating equation approach and generalized linear regression were used, as appropriate. In the adjusted models, we observed that the Z scores of EFW (-0.031 (-0.048, -0.014)), FL (-0.021 (-0.038, -0.004)), and AC (-0.025 (-0.042, -0.007)) decreased with per interquartile range (IQR) increase of ozone concentration. Compared to participants with low ozone exposure and high NDVI, those with high ozone exposure and low NDVI experienced the largest decrease in Z scores for EFW (-0.049 (-0.079, -0.02)), FL (-0.034 (-0.063, -0.004)), HC (-0.034 (-0.065, -0.004)), and AC (-0.041 (-0.072, -0.01)), respectively. Interestingly, we discovered the effect modification of NDVI on the relationship between ozone exposure and fetal growth restriction (P for interaction < 0.05). This study established a negative relationship of maternal ozone exposure and fetal growth. Of importance, this study discovered the joint effect and interaction between ozone and residential greenness exposure.
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Affiliation(s)
- Yibing Zhu
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China; Fujian Key Laboratory of Women and Children's Critical Disease Research, Fuzhou, China
| | - Yudiyang Ma
- Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China; Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China
| | - Linxi Tang
- Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China; Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China
| | - Haibo Li
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China; Fujian Key Laboratory of Women and Children's Critical Disease Research, Fuzhou, China
| | - Chong Miao
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China; Fujian Key Laboratory of Women and Children's Critical Disease Research, Fuzhou, China
| | - Hua Cao
- Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China; Fujian Key Laboratory of Women and Children's Critical Disease Research, Fuzhou, China.
| | - Yaohua Tian
- Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China; Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, No.13 Hangkong Road, Wuhan 430030, China.
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8
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Shen Y, Zhang H, Wu S, Dong J, Li H, Yang Y, Xu J, Zhang Y, Wang Q, Shen H, Zhang Y, Yan D, Jiang L, Xu X, Quan G, Meng X, He Y, Cai J, Kan H, Ma X. Evaluating the Impact of Maternal Exposure to Ozone on Twin Fetal Growth in China. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:20470-20479. [PMID: 38039422 DOI: 10.1021/acs.est.3c04999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Unlike singletons, twins require attention not only to the birth weight of the fetuses but also to discordance (i.e., the differences between weights) because twin growth discordance is a significant factor contributing to perinatal mortality and morbidity in twin pregnancies. However, the impact of maternal air pollution exposure on twin growth discordance has rarely been investigated. We examined the association of long-term ozone exposure during preconception and pregnancy with the birth weight of twins and twin growth discordance among 35,795 twins from the National Free Preconception Health Examination Project between January 2010 and December 2019. Linear mixed-effect models and random-effect logistic regression models were used to examine the associations of ozone exposure with the birth weight-related outcomes (i.e., birth weight of twins and within-pair birth weight difference) and risk of twin growth discordance, respectively, after adjustment for demographic characteristics and lifestyle. We found that an interquartile range (IQR) increase (15 μg/m3) in ozone exposure during the entire pregnancy was associated with a reduction (-28.96g, 95% confidence interval [CI]: -46.37, -11.56) in the total birth weight of twins, and ozone had a more pronounced impact on the birth weight of the smaller fetuses (-18.28 g, 95% CI: -27.22, -9.34) compared to the larger fetuses (-9.88 g, 95% CI: -18.84, -0.92) in twin pregnancies. An IQR increase in ozone exposure during the entire pregnancy was associated with a significant increase (8.41 g, 95% CI: 4.13, 12.69) in the within-pair birth weight difference; the odds ratio (OR) of twin growth discordance related to ozone exposure increased by 9% (OR = 1.09, 95% CI: 1.01, 1.18). However, no consistently significant associations were observed for ozone exposure during prepregnancy. Male-male twin pairs and those who were born prematurely appeared to be more susceptible to ozone exposure than their counterparts. Long-term ozone exposure during pregnancy was associated with twin growth discordance, and our findings provide reference data for future studies.
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Affiliation(s)
- Yang Shen
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Hongping Zhang
- Wenzhou People's Hospital, Wenzhou Maternal and Child Health Care Hospital, The Third Clinical Institute Affiliated to Wenzhou Medical University, The Third Affiliated Hospital of Shanghai University, Wenzhou, Zhejiang 325000, China
| | - Shenpeng Wu
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Jing Dong
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Huimin Li
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Ying Yang
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Jihong Xu
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Ya Zhang
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Qiaomei Wang
- Department of Maternal and Child Health, National Health Commission of the People's Republic of China, Beijing 100088, China
| | - Haiping Shen
- Department of Maternal and Child Health, National Health Commission of the People's Republic of China, Beijing 100088, China
| | - Yiping Zhang
- Department of Maternal and Child Health, National Health Commission of the People's Republic of China, Beijing 100088, China
| | - Donghai Yan
- Department of Maternal and Child Health, National Health Commission of the People's Republic of China, Beijing 100088, China
| | - Lifang Jiang
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Henan 450002, China
| | - Xueyi Xu
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Guangbin Quan
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Xia Meng
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Yuan He
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Jing Cai
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Haidong Kan
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai 200032, China
| | - Xu Ma
- National Human Genetic Resources Center, National Research Institute for Family Planning, Beijing 100081, China
- Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
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9
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Tong M, Wang M, Li P, Gong J, Zhu T, Xue T. The short-term effect of ozone on pregnancy loss modified by temperature: Findings from a nationwide epidemiological study in the contiguous United States. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:166088. [PMID: 37549698 PMCID: PMC10592165 DOI: 10.1016/j.scitotenv.2023.166088] [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: 05/15/2023] [Revised: 07/18/2023] [Accepted: 08/04/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Pregnancy loss, a major health issue that affects human sustainability, has been linked to short-term exposure to ground-surface ozone (O3). However, the association is inconsistent, possibly because of the co-occurrence of O3 and heat episodes, as increased temperature is a risk factor for pregnancy loss. To explain this inconsistency, the effect of O3 on pregnancy loss needs to be examined jointly with that of high temperature. METHODS A total of 247,305 pregnancy losses during the warm season were extracted from fetal death certificates from the 386 counties in contiguous United States from 1989 to 2005. We assessed environmental exposure based on the daily maximum 8 h average of O3 from Air Quality System monitors and the 24 h average temperature from the North American Regional Reanalysis product. We conducted a bidirectional, time-stratified case-crossover study of the association between pregnancy loss and exposures to O3 and temperature and their multiplicative interaction. The main time window for the exposure assessment was the day of case occurrence and the preceding 3 days. To estimate the association, we used conditional logistic regression with adjustment for relative humidity, height of the planetary boundary layer, and holidays. Sensitivity analyses were performed on the lagged structure, nonlinearity, and between-subpopulation heterogeneity of the estimated joint effect. RESULTS The joint effect was first estimated by the regression against categorical exposure by tertile. Compared to the low-low exposure group (O3 ≤ 78 μg/m3 and temperature ≤ 18 °C), the odds of pregnancy loss was significantly higher by 6.0 % (95 % confidence interval [CI] 2.4-9.7 %), 9.8 % (6.1-13.8 %), and 7.5 % (4.7-10.3 %) in the high-low (>104 μg/m3 and ≤18 °C), low-high (≤78 μg/m3 and >23 °C), and high-high (>104 μg/m3 and >23 °C) groups. The model of linear exposure and the multiplicative interaction yielded similar results. Each increment of 10 μg/m3 in O3 and 1 °C in temperature was associated with a 3.0 % (2.0 %-4.0 %) and 3.9 % (3.5 %-4.3 %), respectively, increase in the odds of pregnancy loss. A decrease in odds of 0.2 % (0.1 %-0.2 %) was associated with the temperature × O3 interaction. The finding of an antagonistic interaction between temperature and O3 was confirmed by models parametrizing the joint exposure as alternative nonlinear terms (i.e., a two-dimensional spline term or a varying-coefficient term) and was robust to a variety of exposure lags and stratifications. Therefore, the marginal effect of O3 was estimated to vary by climate zone. A significant association between O3 and pregnancy loss was observed in the northern, but not southern, United States. CONCLUSION Joint exposure to O3 and high temperature can increase the risk for pregnancy loss. The adverse effect of O3 is potentially modified by ambient temperature. In high-latitude cities, controlling for O3 pollution could protect maternal health.
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Affiliation(s)
- Mingkun Tong
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Epidemiology of Major Diseases (PKU), School of Public Health, Peking University Health Science Center, Beijing, China
| | - Meng Wang
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY 14214, United States; Research and Education in Energy, Environment and Water Institute, University at Buffalo, Buffalo, NY 14214, United States; Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98115, United States
| | - Pengfei Li
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Epidemiology of Major Diseases (PKU), School of Public Health, Peking University Health Science Center, Beijing, China; Advanced Institute of Information Technology, Peking University, Hangzhou, China; National Institute of Health Data Science, Peking University, Beijing, China
| | - Jicheng Gong
- College of Environmental Sciences and Engineering, Peking University, Beijing, China; State Environmental Protection Key Laboratory of Atmospheric Exposure and Health Risk Management and Center for Environment and Health, Peking University, Beijing, China
| | - Tong Zhu
- College of Environmental Sciences and Engineering, Peking University, Beijing, China; State Environmental Protection Key Laboratory of Atmospheric Exposure and Health Risk Management and Center for Environment and Health, Peking University, Beijing, China
| | - Tao Xue
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Epidemiology of Major Diseases (PKU), School of Public Health, Peking University Health Science Center, Beijing, China; Advanced Institute of Information Technology, Peking University, Hangzhou, China; State Environmental Protection Key Laboratory of Atmospheric Exposure and Health Risk Management and Center for Environment and Health, Peking University, Beijing, China.
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10
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Hunter R, Baird B, Garcia M, Begay J, Goitom S, Lucas S, Herbert G, Scieszka D, Padilla J, Brayer K, Ottens AK, Suter MA, Barrozo ER, Hines C, Bleske B, Campen MJ. Gestational ozone inhalation elicits maternal cardiac dysfunction and transcriptional changes to placental pericytes and endothelial cells. Toxicol Sci 2023; 196:238-249. [PMID: 37695302 PMCID: PMC10682975 DOI: 10.1093/toxsci/kfad092] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023] Open
Abstract
Ozone (O3) is a criteria air pollutant with the most frequent incidence of exceeding air quality standards. Inhalation of O3 is known to cause lung inflammation and consequent systemic health effects, including endothelial dysfunction. Epidemiologic data have shown that gestational exposure to air pollutants correlates with complications of pregnancy, including low birth weight, intrauterine growth deficiency, preeclampsia, and premature birth. Mechanisms underlying how air pollution may facilitate or exacerbate gestational complications remain poorly defined. The current study sought to uncover how gestational O3 exposure impacted maternal cardiovascular function, as well as the development of the placenta. Pregnant mice were exposed to 1PPM O3 or a sham filtered air (FA) exposure for 4 h on gestational day (GD) 10.5, and evaluated for cardiac function via echocardiography on GD18.5. Echocardiography revealed a significant reduction in maternal stroke volume and ejection fraction in maternally exposed dams. To examine the impact of maternal O3 exposure on the maternal-fetal interface, placentae were analyzed by single-cell RNA sequencing analysis. Mid-gestational O3 exposure led to significant differential expression of 4021 transcripts compared with controls, and pericytes displayed the greatest transcriptional modulation. Pathway analysis identified extracellular matrix organization to be significantly altered after the exposure, with the greatest modifications in trophoblasts, pericytes, and endothelial cells. This study provides insights into potential molecular processes during pregnancy that may be altered due to the inhalation of environmental toxicants.
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Affiliation(s)
- Russell Hunter
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Brenna Baird
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Marcus Garcia
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Jessica Begay
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Siem Goitom
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Selita Lucas
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Guy Herbert
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - David Scieszka
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Jamie Padilla
- Department of Molecular Medicine, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
- Department of Internal Medicine, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Kathryn Brayer
- Department of Molecular Medicine, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
- Department of Internal Medicine, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Andrew K Ottens
- Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Melissa A Suter
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
| | - Enrico R Barrozo
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
| | - Curt Hines
- Department of Biochemistry & Molecular Biology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Barry Bleske
- Department of Pharmacy Practice and Administrative Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Matthew J Campen
- Department of Pharmaceutical Sciences, College of Pharmacy University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
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11
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Stewart EJ, Dye JA, Schladweiler MC, Phillips PM, McDaniel KL, Richards JH, Grindstaff RD, Padgett WT, Moore ML, Hill D, Gordon CJ, Kodavanti UP, Miller CN. Prenatal ozone exposure programs a sexually dimorphic susceptibility to high-fat diet in adolescent Long Evans rats. FASEB J 2022; 36:e22664. [PMID: 36412511 PMCID: PMC10010258 DOI: 10.1096/fj.202201514r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/26/2022] [Accepted: 11/08/2022] [Indexed: 11/23/2022]
Abstract
Altered fetal growth, which can occur due to environmental stressors during pregnancy, may program a susceptibility to metabolic disease. Gestational exposure to the air pollutant ozone is associated with fetal growth restriction in humans and rodents. However, the impact of this early life ozone exposure on offspring metabolic risk has not yet been investigated. In this study, fetal growth restriction was induced by maternal inhalation of 0.8 ppm ozone on gestation days 5 and 6 (4 hr/day) in Long Evans rats. To uncover any metabolic inflexibility, or an impaired ability to respond to a high-fat diet (HFD), a subset of peri-adolescent male and female offspring from filtered air or ozone exposed dams were fed HFD (45% kcal from fat) for 3 days. By 6 weeks of age, male and female offspring from ozone-exposed dams were heavier than offspring from air controls. Furthermore, offspring from ozone-exposed dams had greater daily caloric consumption and reduced metabolic rate when fed HFD. In addition to energy imbalance, HFD-fed male offspring from ozone-exposed dams had dyslipidemia and increased adiposity, which was not evident in females. HFD consumption in males resulted in the activation of the protective 5'AMP-activated protein kinase (AMPKα) and sirtuin 1 (SIRT1) pathways in the liver, regardless of maternal exposure. Unlike males, ozone-exposed female offspring failed to activate these pathways, retaining hepatic triglycerides following HFD consumption that resulted in increased inflammatory gene expression and reduced insulin signaling genes. Taken together, maternal ozone exposure in early pregnancy programs impaired metabolic flexibility in offspring, which may increase susceptibility to obesity in males and hepatic dysfunction in females.
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Affiliation(s)
- Erica J. Stewart
- Oak Ridge Institute for Science and Education, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Janice A. Dye
- Cardiopulmonary Immunotoxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Mette C. Schladweiler
- Cardiopulmonary Immunotoxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Pamela M. Phillips
- Neuroendocrine Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Katherine L. McDaniel
- Neuroendocrine Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Judy H. Richards
- Cardiopulmonary Immunotoxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Rachel D. Grindstaff
- Neuroendocrine Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - William T. Padgett
- Neuroendocrine Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Makala L. Moore
- Oak Ridge Institute for Science and Education, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Donna Hill
- Reproductive and Developmental Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Christopher J. Gordon
- Neuroendocrine Toxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Urmila P. Kodavanti
- Cardiopulmonary Immunotoxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Colette N. Miller
- Cardiopulmonary Immunotoxicology Branch, Public Health and Integrative Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
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12
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Yue H, Yang X, Ji X, Wu X, Li G, Sang N. Time series of transcriptome analysis in entire lung development stages provide insights into the origin of NO 2 related lung diseases. ENVIRONMENT INTERNATIONAL 2022; 168:107454. [PMID: 35963059 DOI: 10.1016/j.envint.2022.107454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/30/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Lung growth is a critical window, when exposure to various pollutants can disturb the finely-tuned lung development and enhance risk of long-term structural and functional sequelae of lung. In this study, pregnant C57/6 mice were treated with NO2, and lungs of fetus/offspring were collected at different developmental windows and dynamic lung development was determined. The results showed that maternal NO2 exposure suppressed fetal weight, implying that fetal development can be disturbed. The time-series RNA-seq analysis of lungs showed that maternal NO2 exposure induced significant time-dependent changes in the expression profiles of genes associated with lung vein myocardium development in fetus/offspring. Most of these genes in NO2 exposure group were suppressed at middle gestation and at birth. Our results also indicated that the gene expressions of Nkx2.5 in NO2 exposure were suppressed to 0.27- and 0.44-fold of the corresponding Air group at E13.5 and PND1, and restored at later time points. This indicated that the transcription factor Nkx2.5 played an important role in abnormal lung development in fetus/offspring caused by maternal NO2 exposure. Importantly, gene expressions of lung vein myocardium development were related to transcription factors (TFs) and lung functions, and TFs showed similar trends with lung function. These results provide a comprehensive view of the adverse effects of maternal NO2 exposure on fetal lung development by uncovering molecular targets and related signaling pathways at the transcriptional level.
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Affiliation(s)
- Huifeng Yue
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Xiaowen Yang
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Xiaotong Ji
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Xiaoyun Wu
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Guangke Li
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Nan Sang
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China.
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13
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Griffith JA, Garner KL, Bowdridge EC, DeVallance E, Schafner KJ, Engles KJ, Batchelor TP, Goldsmith WT, Wix K, Hussain S, Nurkiewicz TR. Nanomaterial Inhalation During Pregnancy Alters Systemic Vascular Function in a Cyclooxygenase-Dependent Manner. Toxicol Sci 2022; 188:219-233. [PMID: 35642938 PMCID: PMC9333412 DOI: 10.1093/toxsci/kfac055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Pregnancy requires rapid adaptations in the uterine microcirculation to support fetal development. Nanomaterial inhalation is associated with cardiovascular dysfunction, which may impair gestation. We have shown that maternal nano-titanium dioxide (nano-TiO2) inhalation impairs microvascular endothelial function in response to arachidonic acid and thromboxane (TXA2) mimetics. However, the mechanisms underpinning this process are unknown. Therefore, we hypothesize that maternal nano-TiO2 inhalation during gestation results in uterine microvascular prostacyclin (PGI2) and TXA2 dysfunction. Pregnant Sprague-Dawley rats were exposed from gestational day 10-19 to nano-TiO2 aerosols (12.17 ± 1.67 mg/m3) or filtered air (sham-control). Dams were euthanized on gestational day 20, and serum, uterine radial arterioles, implantation sites, and lungs were collected. Serum was assessed for PGI2 and TXA2 metabolites. TXB2, the stable TXA2 metabolite, was significantly decreased in nano-TiO2 exposed dams (597.3 ± 84.4 vs 667.6 ± 45.6 pg/ml), whereas no difference was observed for 6-keto-PGF1α, the stable PGI2 metabolite. Radial arteriole pressure myography revealed that nano-TiO2 exposure caused increased vasoconstriction to the TXA2 mimetic, U46619, compared with sham-controls (-41.3% ± 4.3% vs -16.8% ± 3.4%). Nano-TiO2 exposure diminished endothelium-dependent vasodilation to carbaprostacyclin, a PGI2 receptor agonist, compared with sham-controls (30.0% ± 9.0% vs 53.7% ± 6.0%). Maternal nano-TiO2 inhalation during gestation decreased nano-TiO2 female pup weight when compared with sham-control males (3.633 ± 0.064 vs 3.995 ± 0.124 g). Augmented TXA2 vasoconstriction and decreased PGI2 vasodilation may lead to decreased placental blood flow and compromise maternofetal exchange of waste and nutrients, which could ultimately impact fetal health outcomes.
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Affiliation(s)
- Julie A Griffith
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Krista L Garner
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Elizabeth C Bowdridge
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Evan DeVallance
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Kallie J Schafner
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Kevin J Engles
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Thomas P Batchelor
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - William T Goldsmith
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Kimberley Wix
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Salik Hussain
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
| | - Timothy R Nurkiewicz
- Department of Physiology and Pharmacology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
- Center for Inhalation Toxicology, West Virginia University School of Medicine, Morgantown, West Virginia 26505-9229, USA
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14
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Allerkamp HH, Pole T, Boukham A, James JL, Clark AR. Predicting pregnancy specific uterine vascular reactivity: A data driven computational model of shear-dependent, myogenic, and mechanical radial artery features. Am J Physiol Heart Circ Physiol 2022; 323:H72-H88. [PMID: 35452318 DOI: 10.1152/ajpheart.00693.2021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The entire maternal circulation adapts to pregnancy, and this adaption is particularly extensive in the uterine circulation where the major vessels double in size to facilitate an approximately 15-fold increase in blood supply to this organ over the course of pregnancy. Several factors may play a role in both the remodelling and biomechanical function of the uterine vasculature including the paracrine microenvironment, passive properties of the vessel wall, and active components of vascular function (incorporating the myogenic response and response to shear stress induced by intravascular blood flow). However, the interplay between these factors, and how this plays out in an organ-specific manner to induce the extent of remodelling observed in the uterus is not well understood. Here we present an integrated assessment of the uterine radial arteries, likely rate-limiters to flow of oxygenated maternal blood to the placental surface, via computational modelling and pressure myography. We show that uterine radial arteries behave differently to other systemic vessels (higher compliance and shear mediated constriction) and that their properties change with the adaptation to pregnancy (higher myogenic tone, higher compliance, and ability to tolerate higher flow rates before constricting). Together, this provides a useful tool to improve our understanding of the role of uterine vascular adaptation in normal and abnormal pregnancies and highlights the need for vascular bed specific investigations of vascular function in health and disease.
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Affiliation(s)
- Hanna Helene Allerkamp
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand.,Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand
| | - Teagan Pole
- Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand
| | - Ali Boukham
- Mechanics and Engineering Institute (I2M), Environmental and Civil Engineering Department (GCE), University of Bordeaux, Talence, France
| | - Joanna L James
- Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand
| | - Alys R Clark
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
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15
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LaKind JS, Burns CJ, Pottenger LH, Naiman DQ, Goodman JE, Marchitti SA. Does ozone inhalation cause adverse metabolic effects in humans? A systematic review. Crit Rev Toxicol 2021; 51:467-508. [PMID: 34569909 DOI: 10.1080/10408444.2021.1965086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
We utilized a practical, transparent approach for systematically reviewing a chemical-specific evidence base. This approach was used for a case study of ozone inhalation exposure and adverse metabolic effects (overweight/obesity, Type 1 diabetes [T1D], Type 2 diabetes [T2D], and metabolic syndrome). We followed the basic principles of systematic review. Studies were defined as "Suitable" or "Supplemental." The evidence for Suitable studies was characterized as strong or weak. An overall causality judgment for each outcome was then determined as either causal, suggestive, insufficient, or not likely. Fifteen epidemiologic and 33 toxicologic studies were Suitable for evidence synthesis. The strength of the human evidence was weak for all outcomes. The toxicologic evidence was weak for all outcomes except two: body weight, and impaired glucose tolerance/homeostasis and fasting/baseline hyperglycemia. The combined epidemiologic and toxicologic evidence was categorized as weak for overweight/obesity, T1D, and metabolic syndrome,. The association between ozone exposure and T2D was determined to be insufficient or suggestive. The streamlined approach described in this paper is transparent and focuses on key elements. As systematic review guidelines are becoming increasingly complex, it is worth exploring the extent to which related health outcomes should be combined or kept distinct, and the merits of focusing on critical elements to select studies suitable for causal inference. We recommend that systematic review results be used to target discussions around specific research needs for advancing causal determinations.
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Affiliation(s)
- Judy S LaKind
- LaKind Associates, LLC, Catonsville, MD, USA.,Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Carol J Burns
- Burns Epidemiology Consulting, LLC, Sanford, MI, USA
| | | | - Daniel Q Naiman
- Department of Applied Mathematics and Statistics, Johns Hopkins University, Baltimore, MD, USA
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16
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Garcia M, Salazar R, Wilson T, Lucas S, Herbert G, Young T, Begay J, Denson JL, Zychowski K, Ashley R, Byrum S, Mackintosh S, Bleske BE, Ottens AK, Campen MJ. Early Gestational Exposure to Inhaled Ozone Impairs Maternal Uterine Artery and Cardiac Function. Toxicol Sci 2021; 179:121-134. [PMID: 33146391 DOI: 10.1093/toxsci/kfaa164] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Exposure to air pollutants such as ozone (O3) is associated with adverse pregnancy outcomes, including higher incidence of gestational hypertension, preeclampsia, and peripartum cardiomyopathy; however, the underlying mechanisms of this association remain unclear. We hypothesized that O3 exposures during early placental formation would lead to more adverse cardiovascular effects at term for exposed dams, as compared with late-term exposures. Pregnant Sprague Dawley rats were exposed (4 h) to either filtered air (FA) or O3 (0.3 or 1.0 ppm) at either gestational day (GD)10 or GD20, with longitudinal functional assessments and molecular endpoints conducted at term. Exposure at GD10 led to placental transcriptional changes at term that were consistent with markers in human preeclampsia, including reduced mmp10 and increased cd36, fzd1, and col1a1. O3 exposure, at both early and late gestation, induced a significant increase in maternal circulating soluble FMS-like tyrosine kinase-1 (sFlt-1), a known driver of preeclampsia. Otherwise, exposure to 0.3 ppm O3 at GD10 led to several late-stage cardiovascular outcomes in dams that were not evident in GD20-exposed dams, including elevated uterine artery resistance index and reduced cardiac output and stroke volume. GD10 O3 exposure proteomic profile in maternal hearts characterized by a reduction in proteins with essential roles in metabolism and mitochondrial function, whereas phosphoproteomic changes were consistent with pathways involved in cardiomyopathic responses. Thus, the developing placenta is an indirect target of inhaled O3 and systemic maternal cardiovascular abnormalities may be induced by O3 exposure at a specific window of gestation.
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Affiliation(s)
- Marcus Garcia
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Raul Salazar
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Thomas Wilson
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Selita Lucas
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Guy Herbert
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Tamara Young
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Jessica Begay
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Jesse L Denson
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Katherine Zychowski
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Ryan Ashley
- Department of Animal and Range Sciences, New Mexico State University, Las Cruces, New Mexico 88003
| | - Stephanie Byrum
- Arkansas Children's Research Institute, Little Rock, Arkansas 72202
| | - Samuel Mackintosh
- Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Barry E Bleske
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
| | - Andrew K Ottens
- Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia 23298-0709
| | - Matthew J Campen
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131
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17
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Miller CN, Dye JA, Henriquez AR, Stewart EJ, Lavrich KS, Carswell GK, Ren H, Freeborn DL, Snow SJ, Schladweiler MC, Richards JH, Kodavanti PRS, Fisher A, Chorley BN, Kodavanti UP. Ozone-induced fetal growth restriction in rats is associated with sexually dimorphic placental and fetal metabolic adaptation. Mol Metab 2020; 42:101094. [PMID: 33031959 PMCID: PMC7588867 DOI: 10.1016/j.molmet.2020.101094] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/16/2020] [Accepted: 09/28/2020] [Indexed: 12/14/2022] Open
Abstract
Objective The importance of the placenta in mediating the pre- and post-natal consequences of fetal growth restriction has been increasingly recognized. However, the influence of placental sexual dimorphism on driving these outcomes has received little attention. The purpose of this study was to characterize how sex contributes to the relationship between placental metabolism and fetal programming utilizing a novel rodent model of growth restriction. Methods Fetal growth restriction was induced by maternal inhalation of 0.8 ppm ozone (4 h/day) during implantation receptivity (gestation days [GDs] 5 and 6) in Long-Evans rats. Control rats were exposed to filtered air. At GD 21, placental and fetal tissues were obtained for metabolic and genomic assessments. Results Growth-restricted male placentae exhibited increased mitochondrial biogenesis, increased oxygen consumption, and reduced nutrient storage. Male growth-restricted fetuses also had evidence of reduced adiposity and downregulation of hepatic metabolic signaling. In contrast, placentae from growth-restricted females had elevated markers of autophagy accompanied by an observed protection against hepatic metabolic perturbations. Despite this, growth restriction in females induced a greater number of hypothalamic gene and pathway alterations compared to growth-restricted males. Conclusions Increases in mitochondrial metabolism in growth-restricted male placentae likely initiates a sequela of adaptations that promote poor nutrient availability and adiposity. Divergently, the female placenta expresses protective mechanisms that may serve to increase nutrient availability to support fetal metabolic development. Collectively, this work emphasizes the importance of sex in mediating alterations in placental metabolism and fetal programming. Peri-implantation exposure to the gaseous air pollutant ozone impairs fetal growth. Ozone-induced, growth-restricted male placentae have increased mitochondrial biogenesis and oxidative consumption. Female growth-restricted placentae show increased inflammatory and autophagy-like responses. Placental metabolic adaptations to growth restriction were associated with sexually dimorphic perturbations in fetal tissues.
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Affiliation(s)
- Colette N Miller
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA; Oak Ridge Institute for Science and Education Research Participation Program, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA.
| | - Janice A Dye
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Andres R Henriquez
- Oak Ridge Institute for Science and Education Research Participation Program, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Erica J Stewart
- Oak Ridge Institute for Science and Education Research Participation Program, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Katelyn S Lavrich
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, 530 Davis Dr., Keystone Building, Durham, NC, 27713, USA
| | - Gleta K Carswell
- Biomolecular and Computational Toxicology Division, Center for Computational Toxicology and Exposure, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Hongzu Ren
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Danielle L Freeborn
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Samantha J Snow
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Mette C Schladweiler
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Judy H Richards
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Prasada R S Kodavanti
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Anna Fisher
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Brian N Chorley
- Biomolecular and Computational Toxicology Division, Center for Computational Toxicology and Exposure, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
| | - Urmila P Kodavanti
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, US Environmental Protection Agency, 109 T.W. Alexander Dr., Mail Code: B105-02, Research Triangle Park, NC, 27711, USA
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18
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Miller CN, Stewart EJ, Snow SJ, Williams WC, Richards JH, Thompson LC, Schladweiler MC, Farraj AK, Kodavanti UP, Dye JA. Ozone Exposure During Implantation Increases Serum Bioactivity in HTR-8/SVneo Trophoblasts. Toxicol Sci 2020; 168:535-550. [PMID: 30649513 DOI: 10.1093/toxsci/kfz003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Implantation is a sensitive window in reproductive development during which disruptions may increase the risk of adverse pregnancy outcomes including intrauterine growth restriction. Ozone exposure during implantation in rats reduces fetal weight near the end of gestation, potentially though impaired trophoblast migration and invasion and altered implantation. The current study characterized changes in ventilation, pulmonary injury, and circulating factors including hormonal, inflammatory, and metabolic markers related to exposure to ozone (0.4-1.2 ppm) for 4-h on gestation days 5 and 6 (window of implantation) in Long-Evans dams. To determine the effects of this exposure on trophoblast function, placental-derived, first trimester, HTR-8/SVneo cells were exposed to serum from air- or ozone (0.8 ppm×4 h)-exposed dams and examined for impacts on metabolic capacity, wound-closure, and invasion. Peri-implantation exposure to ozone induced ventilatory dysfunction and lung vascular leakage in pregnant rats, with little effect on most of the circulating markers measured. However, ozone inhalation induced a significant reduction in several serum cytokines (interferon-γ, interleukin-6, and interleukin-13). Treatment of HTR-8/SVneo trophoblasts with serum from ozone-exposed dams for 16-h downregulated metabolic capacity, wound-closure, and invasion through a Matrigel membrane compared with both air-serum and fetal bovine serum-treated cells. Ozone-serum treated cells increased the release of a critical inhibitor of invasion and angiogenesis (soluble fms-like receptor 1; sFlt1) compared with air-serum treatment. Together, our data suggest that circulating factors in the serum of pregnant rats exposed to ozone during implantation receptivity can hinder critical processes of implantation (eg, invasion and migration) and impair trophoblast metabolic capacity.
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Affiliation(s)
- Colette N Miller
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Erica J Stewart
- Oak Ridge Institute for Science and Education, Research Triangle Park, North Carolina 27711
| | - Samantha J Snow
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Wanda C Williams
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Judy H Richards
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Leslie C Thompson
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Mette C Schladweiler
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Aimen K Farraj
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Urmila P Kodavanti
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
| | - Janice A Dye
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711
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Miller CN, Kodavanti UP, Stewart EJ, Schladweiler MC, Richards JH, Snow SJ, Henriquez AR, Oshiro WM, Farraj AK, Hazari MS, Dye JA. Fetal growth outcomes following peri-implantation exposure of Long-Evans rats to noise and ozone differ by sex. Biol Sex Differ 2019; 10:54. [PMID: 31791410 PMCID: PMC6889602 DOI: 10.1186/s13293-019-0270-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/19/2019] [Indexed: 12/29/2022] Open
Abstract
Background Exposure to air pollution and high levels of noise have both been independently associated with the development of adverse pregnancy outcomes including low birth weight. However, exposure to such environmental stressors rarely occurs in isolation and is often co-localized, especially in large urban areas. Methods The purpose of this study was to compare the effects of combined exposure to noise (N) or ozone (O3), compared to either exposure alone. Long-Evans dams were exposed to air or 0.4 ppm ozone for 4 h on gestation day (GD) 5 and 6, coinciding with implantation receptivity. A subset of dams from each exposure group was further exposed to intermittent white noise (~ 85 dB) throughout the dark cycle following each inhalation exposure (n = 14 − 16/group). Uterine artery ultrasound was performed on GD 15 and 21. Fetal growth characteristics and indicators of placental nutrient status were measured at GD 21. Results Exposure to ozone + quiet (O3 + Q) conditions reduced uterine arterial resistance at GD 15 compared to air + quiet (A + Q) exposure, with no further reduction by GD 21. By contrast, exposure to air + noise (A + N) significantly increased uterine arterial resistance at both GD 15 and 21. Notably, while peri-implantation exposure to O3 + Q conditions reduced male fetal weight at GD 21, this effect was not observed in the air + noise (A + N) or the ozone + noise (O3 + N) exposure groups. Fetal weight in female offspring was not reduced by ozone exposure alone (O3 + Q), nor was it affected by air + noise (A + N) or by combined ozone + noise (O3 + N) exposure. Conclusions These data indicate that exposure to ozone and noise differentially impact uterine blood flow, particularly at mid-gestation, with only ozone exposure being associated with sex-dependent fetal growth retardation in male offspring.
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Affiliation(s)
- Colette N Miller
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
| | - Urmila P Kodavanti
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Erica J Stewart
- Oak Ridge Institute of Science and Education, Research Triangle Park, NC, USA
| | - Mette C Schladweiler
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Judy H Richards
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | | | - Andres R Henriquez
- Oak Ridge Institute of Science and Education, Research Triangle Park, NC, USA
| | - Wendy M Oshiro
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Aimen K Farraj
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Mehdi S Hazari
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Janice A Dye
- Cardiopulmonary Immunotoxicology Branch, Public Health & Integrated Toxicology Division, Center for Public Health & Environmental Assessment U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
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20
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Miller CN, Kodavanti UP, Stewart EJ, Schaldweiler M, Richards JH, Ledbetter AD, Jarrell LT, Snow SJ, Henriquez AR, Farraj AK, Dye JA. Aspirin pre-treatment modulates ozone-induced fetal growth restriction and alterations in uterine blood flow in rats. Reprod Toxicol 2019; 83:63-72. [PMID: 30528429 PMCID: PMC6582633 DOI: 10.1016/j.reprotox.2018.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 11/30/2018] [Accepted: 12/04/2018] [Indexed: 12/19/2022]
Abstract
Prenatal exposure to ozone has been linked to low birth weight in people and fetal growth restriction in rats. Clinical recommendations suggest use of low dose aspirin to lower risk of preeclampsia and intrauterine growth restriction in high-risk pregnancies, yet its utility in mitigating the postnatal effects of gestational ozone exposure is unknown. The present study investigated the possibility of low dose aspirin to mitigate the effects of ozone exposure during pregnancy. Exposure to ozone impaired uterine arterial flow and induced growth restriction in fetuses of both sexes. Aspirin treatment induced marginal improvements in ozone-induced uterine blood flow impairment. However, this resulted in a protection of fetal weight in dams given aspirin only in early pregnancy. Aspirin administration for the entirety of gestation increased placental weight and reduced antioxidant status, suggesting that prolonged exposure to low dose aspirin may induce placental inefficiency in our model of growth restriction.
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Affiliation(s)
- Colette N Miller
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
| | - Urmila P Kodavanti
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Erica J Stewart
- Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - Mette Schaldweiler
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Judy H Richards
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Allen D Ledbetter
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | | | - Samantha J Snow
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Andres R Henriquez
- Curriculum in Toxicology, University of North Carolina-Chapel Hill, Chapel Hill, NC, USA
| | - Aimen K Farraj
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Janice A Dye
- Environmental Public Health Division, National Health & Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
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21
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Shi YZ, Jin S, Qin H, Jiang HB, Song GH, Qin SC. Hydrogen-rich water ameliorates rat placental stress induced by water restriction. Med Gas Res 2018; 8:79-84. [PMID: 30319761 PMCID: PMC6178645 DOI: 10.4103/2045-9912.241064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 07/20/2018] [Indexed: 11/04/2022] Open
Abstract
Dehydration is one of the intrauterine abnormalities that could lead to fetal growth retardation and to increase the risk of a variety of adult diseases later in life. This study were to determine the impact of hydrogen-rich water (HRW) supplementation on placental angiotensin II type 1 receptor and placental oxidative stress induced by water restriction. Pregnant Wistar rat were randomly assigned to one of the three groups (n =12 per group). In control group, pure water and food were supplied ad libitum. Water restriction group and HRW group were respectively given pure water and HRW with free access to food, excepting only one hour was available for drinking from day 7 to day 17 of pregnancy. The placental damages and biomarkers of stress were detected by histopathology, immunohistochemistry and western blot, as well as serological test were performed. We demonstrated that maternal water restriction resulted in reduced urine volume and increased serum osmotic pressure, along with decreased fetus weight and crown-rump length. Although placental weight and the number of fetuses had no significant difference among groups, the placental efficiency significantly increased after the oral administration of HRW to the mothers. Meanwhile, the serological derivatives of reactive oxygen metabolites decreased, a significant improvement of placental microstructure with more developed junctional zone and denser labyrinth was manifested, the upregulated expression of angiotensin II type 1 receptor, nuclear factoκB, malondialdehyde, 8-hydroxydeoxyguanosine, p38, c-Jun N-terminal kinase and down-regulation of superoxide dismutase were revealed in the placenta. Collectively, HRW administration is able to effectively attenuate placental stress induced by water restriction.
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Affiliation(s)
- Yun-Zhi Shi
- Department of Basic Stomatology and Technology, School of Stomatology, Taishan Medical University, Taishan, Shandong Province, China
| | - Song Jin
- Department of Stomatology, Taian City Central Hospital, Taishan, Shandong Province, China
| | - Han Qin
- Department of Basic Stomatology and Technology, School of Stomatology, Taishan Medical University, Taishan, Shandong Province, China
| | - Heng-Bo Jiang
- Department of Basic Stomatology and Technology, School of Stomatology, Taishan Medical University, Taishan, Shandong Province, China
| | - Guo-Hua Song
- Key Laboratory of Atherosclerosis in Universities of Shandong and Institute of Atherosclerosis, Taishan Medical University, Taishan, Shandong Province, China
| | - Shu-Cun Qin
- Key Laboratory of Atherosclerosis in Universities of Shandong and Institute of Atherosclerosis, Taishan Medical University, Taishan, Shandong Province, China
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