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Zhao X, Xu H, Li Y, Liu Y, Guo C, Li Y. Status and frontier analysis of indoor PM 2.5-related health effects: a bibliometric analysis. REVIEWS ON ENVIRONMENTAL HEALTH 2024; 39:479-498. [PMID: 36976918 DOI: 10.1515/reveh-2022-0228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Epidemiological data indicate atmospheric particulate matter, especially fine particulate matter (PM2.5), has many negative effects on human health. Of note, people spend about 90% of their time indoors. More importantly, according to the World Health Organization (WHO) statistics, indoor air pollution causes nearly 1.6 million deaths each year, and it is considered as one of the major health risk factors. In order to obtain a deeper understanding of the harmful effects of indoor PM2.5 on human health, we used bibliometric software to summarize articles in this field. In conclusion, since 2000, the annual publication volume has increased year by year. America topped the list for the number of articles, and Professor Petros Koutrakis and Harvard University were the author and institution with the most published in this research area, respectively. Over the past decade, scholars gradually paid attention to molecular mechanisms, therefore, the toxicity can be better explored. Particularly, apart from timely intervention and treatment for adverse consequences, it is necessary to effectively reduce indoor PM2.5 through technologies. In addition, the trend and keywords analysis are favorable ways to find out future research hotspots. Hopefully, various countries and regions strengthen academic cooperation and integration of multi-disciplinary.
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Affiliation(s)
- Xinying Zhao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Hailin Xu
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Yan Li
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, China
| | - Yufan Liu
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Caixia Guo
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, China
| | - Yanbo Li
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
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Aljabali AAA, Alkaraki AK, Gammoh O, Tambuwala MM, Mishra V, Mishra Y, Hassan SS, El-Tanani M. Deciphering Depression: Epigenetic Mechanisms and Treatment Strategies. BIOLOGY 2024; 13:638. [PMID: 39194576 DOI: 10.3390/biology13080638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/14/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Depression, a significant mental health disorder, is under intense research scrutiny to uncover its molecular foundations. Epigenetics, which focuses on controlling gene expression without altering DNA sequences, offers promising avenues for innovative treatment. This review explores the pivotal role of epigenetics in depression, emphasizing two key aspects: (I) identifying epigenetic targets for new antidepressants and (II) using personalized medicine based on distinct epigenetic profiles, highlighting potential epigenetic focal points such as DNA methylation, histone structure alterations, and non-coding RNA molecules such as miRNAs. Variations in DNA methylation in individuals with depression provide opportunities to target genes that are associated with neuroplasticity and synaptic activity. Aberrant histone acetylation may indicate that antidepressant strategies involve enzyme modifications. Modulating miRNA levels can reshape depression-linked gene expression. The second section discusses personalized medicine based on epigenetic profiles. Analyzing these patterns could identify biomarkers associated with treatment response and susceptibility to depression, facilitating tailored treatments and proactive mental health care. Addressing ethical concerns regarding epigenetic information, such as privacy and stigmatization, is crucial in understanding the biological basis of depression. Therefore, researchers must consider these issues when examining the role of epigenetics in mental health disorders. The importance of epigenetics in depression is a critical aspect of modern medical research. These findings hold great potential for novel antidepressant medications and personalized treatments, which would significantly improve patient outcomes, and transform psychiatry. As research progresses, it is expected to uncover more complex aspects of epigenetic processes associated with depression, enhance our comprehension, and increase the effectiveness of therapies.
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Affiliation(s)
- Alaa A A Aljabali
- Faculty of Pharmacy, Department of Pharmaceutics & Pharmaceutical Technology, Yarmouk University, Irbid 21163, Jordan
| | - Almuthanna K Alkaraki
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid 21163, Jordan
| | - Omar Gammoh
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan
| | - Murtaza M Tambuwala
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah P.O. Box 11172, United Arab Emirates
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Yachana Mishra
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Sk Sarif Hassan
- Department of Mathematics, Pingla Thana Mahavidyalaya, Maligram, Paschim Medinipur 721140, West Bengal, India
| | - Mohamed El-Tanani
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah P.O. Box 11172, United Arab Emirates
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Khodasevich D, Holland N, Harley KG, Eskenazi B, Barcellos LF, Cardenas A. Prenatal exposure to environmental phenols and phthalates and altered patterns of DNA methylation in childhood. ENVIRONMENT INTERNATIONAL 2024; 190:108862. [PMID: 38972116 DOI: 10.1016/j.envint.2024.108862] [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: 09/11/2023] [Revised: 06/13/2024] [Accepted: 06/28/2024] [Indexed: 07/09/2024]
Abstract
INTRODUCTION Epigenetic marks are key biomarkers linking the prenatal environment to health and development. However, DNA methylation associations and persistence of marks for prenatal exposure to multiple Endocrine Disrupting Chemicals (EDCs) in human populations have not been examined in great detail. METHODS We measured Bisphenol-A (BPA), triclosan, benzophenone-3 (BP3), methyl-paraben, propyl-paraben, and butyl-paraben, as well as 11 phthalate metabolites, in two pregnancy urine samples, at approximately 13 and 26 weeks of gestation in participants of the Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) study (N = 309). DNA methylation of cord blood at birth and child peripheral blood at ages 9 and 14 years was measured with 450K and EPIC arrays. Robust linear regression was used to identify differentially methylated probes (DMPs), and comb-p was used to identify differentially methylated regions (DMRs) in association with pregnancy-averaged EDC concentrations. Quantile g-computation was used to assess associations of the whole phenol/phthalate mixture with DMPs and DMRs. RESULTS Prenatal BPA exposure was associated with 1 CpG among males and Parabens were associated with 10 CpGs among females at Bonferroni-level significance in cord blood. Other suggestive DMPs (unadjusted p-value < 1 × 10-6) and several DMRs associated with the individual phenols and whole mixture were also identified. A total of 10 CpG sites at least suggestively associated with BPA, Triclosan, BP3, Parabens, and the whole mixture in cord blood were found to persist into adolescence in peripheral blood. CONCLUSIONS We found sex-specific associations between prenatal phenol exposure and DNA methylation, particularly with BPA in males and Parabens in females. Additionally, we found several DMPs that maintained significant associations with prenatal EDC exposures at age 9 and age 14 years.
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Affiliation(s)
- Dennis Khodasevich
- Division of Environmental Health Sciences, Berkeley Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Nina Holland
- Center for Environmental Research and Community Health (CERCH), Berkeley Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Kim G Harley
- Center for Environmental Research and Community Health (CERCH), Berkeley Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Brenda Eskenazi
- Center for Environmental Research and Community Health (CERCH), Berkeley Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Lisa F Barcellos
- Division of Epidemiology, Berkeley Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Andres Cardenas
- Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA.
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Parker J, Hofstee P, Brennecke S. Prevention of Pregnancy Complications Using a Multimodal Lifestyle, Screening, and Medical Model. J Clin Med 2024; 13:4344. [PMID: 39124610 PMCID: PMC11313446 DOI: 10.3390/jcm13154344] [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: 06/19/2024] [Revised: 07/16/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
Prevention of pregnancy complications related to the "great obstetrical syndromes" (preeclampsia, fetal growth restriction, spontaneous preterm labor, and stillbirth) is a global research and clinical management priority. These syndromes share many common pathophysiological mechanisms that may contribute to altered placental development and function. The resulting adverse pregnancy outcomes are associated with increased maternal and perinatal morbidity and mortality and increased post-partum risk of cardiometabolic disease. Maternal nutritional and environmental factors are known to play a significant role in altering bidirectional communication between fetal-derived trophoblast cells and maternal decidual cells and contribute to abnormal placentation. As a result, lifestyle-based interventions have increasingly been recommended before, during, and after pregnancy, in order to reduce maternal and perinatal morbidity and mortality and decrease long-term risk. Antenatal screening strategies have been developed following extensive studies in diverse populations. Multivariate preeclampsia screening using a combination of maternal, biophysical, and serum biochemical markers is recommended at 11-14 weeks' gestation and can be performed at the same time as the first-trimester ultrasound and blood tests. Women identified as high-risk can be offered prophylactic low dose aspirin and monitored with angiogenic factor assessment from 22 weeks' gestation, in combination with clinical assessment, serum biochemistry, and ultrasound. Lifestyle factors can be reassessed during counseling related to antenatal screening interventions. The integration of lifestyle interventions, pregnancy screening, and medical management represents a conceptual advance in pregnancy care that has the potential to significantly reduce pregnancy complications and associated later life cardiometabolic adverse outcomes.
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Affiliation(s)
- Jim Parker
- School of Medicine, University of Wollongong, Wollongong 2522, Australia;
| | - Pierre Hofstee
- School of Medicine, University of Wollongong, Wollongong 2522, Australia;
- Tweed Hospital, Northern New South Wales Local Health District, Tweed Heads 2485, Australia
| | - Shaun Brennecke
- Department of Maternal-Fetal Medicine, Pregnancy Research Centre, The Royal Women’s Hospital, Melbourne 3052, Australia;
- Department of Obstetrics and Gynaecology, The University of Melbourne, Melbourne 3052, Australia
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Malin Igra A, Trask M, Rahman SM, Dreij K, Lindh C, Krais AM, Persson LÅ, Rahman A, Kippler M. Maternal exposure to polycyclic aromatic hydrocarbons during pregnancy and timing of pubertal onset in a longitudinal mother-child cohort in rural Bangladesh. ENVIRONMENT INTERNATIONAL 2024; 189:108798. [PMID: 38875814 DOI: 10.1016/j.envint.2024.108798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/06/2024] [Accepted: 05/31/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND In experimental studies, several polycyclic aromatic hydrocarbons (PAHs) have shown endocrine disrupting properties, but very few epidemiological studies have examined their impact on pubertal development and results have been heterogenous. OBJECTIVE To explore if maternal PAH exposure during pregnancy was associated with the offspring's timing of pubertal onset. METHODS We studied 582 mother-daughter dyads originating from a population-based cohort in a rural setting in Bangladesh. Maternal urinary samples, collected in early pregnancy (on average, gestational week 8), were analyzed for monohydroxylated metabolites of phenanthrene (1-OH-Phe, Σ2-,3-OH-Phe, and 4-OH-Phe), fluorene (Σ2-,3-OH-Flu), and pyrene (1-OH-Pyr) using liquid chromatography with tandem mass spectrometry (LC-MS/MS). The girls were interviewed on two separate occasions concerning date of menarche, as well as breast and pubic hair development according to Tanner. Associations were assessed using Kaplan-Meier analysis and multivariable-adjusted Cox proportional hazards regression or ordered logistic regression. RESULTS In early pregnancy, the mothers' median urinary concentrations of Σ1-,2-,3-,4-OH-Phe, Σ2-,3-OH-Flu, and 1-OH-Pyr were 3.25 ng/mL, 2.0 ng/mL, and 2.3 ng/mL respectively. At the second follow-up, 78 % of the girls had reached menarche, and the median age of menarche was 12.7 ± 0.81 years. Girls whose mothers belonged to the second and third quintiles of ΣOH-Phe metabolites had a higher rate of menarche, indicating a younger menarcheal age (HR 1.39; 95 % CI 1.04, 1.86, and HR 1.41; 95 % CI 1.05, 1.88, respectively), than girls of mothers in the lowest quintile. This trend was not observed in relation to either breast or pubic hair development. None of the other maternal urinary PAH metabolites or the sum of all thereof in early pregnancy were associated with age at menarche or pubertal stage. CONCLUSIONS Indications of non-monotonic associations of prenatal phenanthrene exposure with the daughters' age of menarche were found, warranting further investigation.
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Affiliation(s)
| | - Mercedes Trask
- Global Health and Migration Unit, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - Syed Moshfiqur Rahman
- Global Health and Migration Unit, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden; International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Kristian Dreij
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Christian Lindh
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Annette M Krais
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Lars-Åke Persson
- Global Health and Migration Unit, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden; London School of Hygiene and Tropical Medicine, London, UK
| | - Anisur Rahman
- Global Health and Migration Unit, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
| | - Maria Kippler
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
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Daredia S, Bozack AK, Riddell CA, Gunier R, Harley KG, Bradman A, Eskenazi B, Holland N, Deardorff J, Cardenas A. Prenatal Maternal Occupation and Child Epigenetic Age Acceleration in an Agricultural Region: NIMHD Social Epigenomics Program. JAMA Netw Open 2024; 7:e2421824. [PMID: 39073821 PMCID: PMC11287394 DOI: 10.1001/jamanetworkopen.2024.21824] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 03/05/2024] [Indexed: 07/30/2024] Open
Abstract
Importance Research on fetal epigenetic programming suggests that the intrauterine environment can have long-term effects on offspring disease susceptibility. Objective To examine the association between prenatal maternal occupation and child epigenetic age acceleration (EAA) among a farmworker community. Design, Setting, and Participants This cohort study included participants in the Center for the Health Assessment of Mothers and Children of Salinas, a prospective, Latino, prebirth cohort. Pregnant women were recruited from October 1, 1999, to October 1, 2000, from 6 community clinics in California's Salinas Valley agricultural region. Participants were 18 years or older, English or Spanish speaking, Medicaid eligible, and at 20 weeks' gestation or earlier at enrollment. Mother-child pairs who had blood DNA methylation measured at the ages of 7, 9, and 14 years were included. Data were analyzed from July 2021 to November 2023. Exposures Prenatal maternal occupation was ascertained through study interviews conducted during prenatal visits and shortly after delivery. Main Outcomes and Measures Child EAA at 7, 9, and 14 years of age was estimated using DNA methylation-based epigenetic age biomarkers. Three EAA measures were calculated: the Horvath EAA, skin and blood EAA, and intrinsic EAA. Linear mixed-effects models were used to estimate longitudinal associations of prenatal maternal occupation and child EAA, adjusting for confounders and prenatal organophosphate pesticide exposure. Results Analyses included 290 mother-child pairs (mean [SD] maternal age at delivery, 26.5 [5.2] years; 152 [52.4%] female infants); 254 mothers (87.6%) were born in Mexico, 33 (11.4%) in the US, and 3 (1.0%) in other countries; and 179 families (61.7%) were below the federal poverty line during pregnancy. Mothers reported engaging in several types of work during pregnancy, including agricultural fieldwork (90 [31.0%]), other agricultural work (40 [13.8%]), nonagricultural work (53 [18.3%]), or no work (107 [36.9%]). Children whose mothers worked in agricultural fields during pregnancy had a mean of 0.66 (95% CI, 0.17-1.15) years of greater Horvath EAA, 0.62 (95% CI, 0.31-0.94) years of greater skin and blood EAA, and 0.45 (95% CI, 0.07-0.83) years of greater intrinsic EAA compared with children whose mothers did not work during pregnancy. Conclusions and Relevance In this cohort study, prenatal maternal agricultural fieldwork was associated with accelerated childhood epigenetic aging independent of organophosphate pesticide exposure. Future research on which factors related to agricultural fieldwork accelerate aging in the next generation can inform targeted prevention programs and policies that protect children's health.
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Affiliation(s)
- Saher Daredia
- Division of Epidemiology, School of Public Health, University of California, Berkeley
| | - Anne K. Bozack
- Department of Epidemiology and Population Health, School of Medicine, Stanford University, Stanford, California
| | - Corinne A. Riddell
- Division of Epidemiology, School of Public Health, University of California, Berkeley
- Division of Biostatistics, School of Public Health, University of California, Berkeley
| | - Robert Gunier
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
| | - Kim G. Harley
- Division of Epidemiology, School of Public Health, University of California, Berkeley
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
- Division of Community Health Sciences, School of Public Health, University of California, Berkeley
| | - Asa Bradman
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
- Department of Public Health, University of California, Merced
| | - Brenda Eskenazi
- Division of Epidemiology, School of Public Health, University of California, Berkeley
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley
| | - Nina Holland
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley
| | - Julianna Deardorff
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley
- Division of Community Health Sciences, School of Public Health, University of California, Berkeley
| | - Andres Cardenas
- Department of Epidemiology and Population Health, School of Medicine, Stanford University, Stanford, California
- Department of Pediatrics, School of Medicine, Stanford University, Stanford, California
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Puvvula J, Braun JM, DeFranco EA, Ho SM, Leung YK, Huang S, Zhang X, Vuong AM, Kim SS, Percy Z, Calafat AM, Botelho JC, Chen A. Gestational exposure to environmental chemicals and epigenetic alterations in the placenta and cord blood mononuclear cells. EPIGENETICS COMMUNICATIONS 2024; 4:4. [PMID: 38962689 PMCID: PMC11217138 DOI: 10.1186/s43682-024-00027-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 06/24/2024] [Indexed: 07/05/2024]
Abstract
Background Exposure to environmental chemicals such as phthalates, phenols, and polycyclic aromatic hydrocarbons (PAHs) during pregnancy can increase the risk of adverse newborn outcomes. We explored the associations between maternal exposure to select environmental chemicals and DNA methylation in cord blood mononuclear cells (CBMC) and placental tissue (maternal and fetal sides) to identify potential mechanisms underlying these associations. Method This study included 75 pregnant individuals who planned to give birth at the University of Cincinnati Hospital between 2014 and 2017. Maternal urine samples during the delivery visit were collected and analyzed for 37 biomarkers of phenols (12), phthalates (13), phthalate replacements (4), and PAHs (8). Cord blood and placenta tissue (maternal and fetal sides) were also collected to measure the DNA methylation intensities using the Infinium HumanMethylation450K BeadChip. We used linear regression, adjusting for potential confounders, to assess CpG-specific methylation changes in CBMC (n = 54) and placenta [fetal (n = 67) and maternal (n = 68) sides] associated with gestational chemical exposures (29 of 37 biomarkers measured in this study). To account for multiple testing, we used a false discovery rate q-values < 0.05 and presented results by limiting results with a genomic inflation factor of 1±0.5. Additionally, gene set enrichment analysis was conducted using the Kyoto Encyclopedia of Genes and Genomics pathways. Results Among the 29 chemical biomarkers assessed for differential methylation, maternal concentrations of PAH metabolites (1-hydroxynaphthalene, 2-hydroxyfluorene, 4-hydroxyphenanthrene, 1-hydroxypyrene), monocarboxyisononyl phthalate, mono-3-carboxypropyl phthalate, and bisphenol A were associated with altered methylation in placenta (maternal or fetal side). Among exposure biomarkers associated with epigenetic changes, 1-hydroxynaphthalene, and mono-3-carboxypropyl phthalate were consistently associated with differential CpG methylation in the placenta. Gene enrichment analysis indicated that maternal 1-hydroxynaphthalene was associated with lipid metabolism and cellular processes of the placenta. Additionally, mono-3-carboxypropyl phthalate was associated with organismal systems and genetic information processing of the placenta. Conclusion Among the 29 chemical biomarkers assessed during delivery, 1-hydroxynaphthalene and mono-3-carboxypropyl phthalate were associated with DNA methylation in the placenta. Supplementary Information The online version contains supplementary material available at 10.1186/s43682-024-00027-7.
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Affiliation(s)
- Jagadeesh Puvvula
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Joseph M. Braun
- Department of Epidemiology, Brown University, Providence, RI USA
| | - Emily A. DeFranco
- Department of Obstetrics and Gynecology, College of Medicine, University of Kentucky, Lexington, KY USA
| | - Shuk-Mei Ho
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Yuet-Kin Leung
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Shouxiong Huang
- Pathogen-Host Interaction Program, Texas Biomedical Research Institute, San Antonio, TX USA
| | - Xiang Zhang
- Department of Environmental & Public Health Sciences, College of Medicine, University of Cincinnati, Cincinnati, OH USA
| | - Ann M. Vuong
- Department of Epidemiology and Biostatistics, School of Public Health, University of Nevada Las Vegas, Las Vegas, NV USA
| | - Stephani S. Kim
- Health Research, Battelle Memorial Institute, Columbus, OH USA
| | - Zana Percy
- Department of Environmental & Public Health Sciences, College of Medicine, University of Cincinnati, Cincinnati, OH USA
| | - Antonia M. Calafat
- National Center for Environmental Health, U.S. Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Julianne C. Botelho
- National Center for Environmental Health, U.S. Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Aimin Chen
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
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Tao L, Zhou YZ, Shen X. Seasonal variation in urinary PAH metabolite levels and associations with neonatal birth outcomes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:41893-41904. [PMID: 38850391 DOI: 10.1007/s11356-024-33888-5] [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: 01/11/2024] [Accepted: 05/30/2024] [Indexed: 06/10/2024]
Abstract
Previous studies have demonstrated that exposure to polycyclic aromatic hydrocarbons (PAHs) can affect maternal and infant health. However, the conclusions regarding the effects of seasonal PAH exposure on maternal and infant health have been inconsistent. To further elucidate this issue, this study included data from 2282 mother-infant pairs in the Zuni birth cohort. The objective was to investigate the association between maternal late-pregnancy urinary PAH metabolite concentrations and neonatal birth outcomes during the heating and non-heating seasons. The results demonstrated that PAH exposure in Zunyi was primarily dominated by 2-OHNAP and 1-OHNAP and that the concentrations of PAH metabolites were significantly higher during the heating season. Furthermore, PAH metabolite exposure was found to affect neonatal birth weight, birth length, and parity index with seasonal differences. Further dose-effect analyses revealed nonlinear relationships and seasonal differences between PAH metabolites and neonatal birth weight, birth length, and parity index. Bayesian kernel mechanism regression modeling demonstrated that the inverted U-shaped relationship between PAH metabolites and neonatal birth weight and parity index was exclusive to the heating season. Consequently, it can be posited that maternal exposure to PAH metabolites during late pregnancy exerts a detrimental influence on neonatal growth and development, which is further compounded by the use of heating fuels. This highlights the necessity to either control or alter the use of heating fuels during pregnancy.
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Affiliation(s)
- Lin Tao
- School of Public Health, Zunyi Medical University, Zunyi, 563000, Guizhou Province, China
- Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, Zunyi, 563000, Guizhou Province, China
| | - Yuan-Zhong Zhou
- School of Public Health, Zunyi Medical University, Zunyi, 563000, Guizhou Province, China
- Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, Zunyi, 563000, Guizhou Province, China
| | - Xubo Shen
- School of Public Health, Zunyi Medical University, Zunyi, 563000, Guizhou Province, China.
- Key Laboratory of Maternal & Child Health and Exposure Science of Guizhou Higher Education Institutes, Zunyi, 563000, Guizhou Province, China.
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Kurth L, O'Shea TM, Burd I, Dunlop AL, Croen L, Wilkening G, Hsu TJ, Ehrhardt S, Palanisamy A, McGrath M, Churchill ML, Weinberger D, Grados M, Dabelea D. Intrapartum exposure to synthetic oxytocin, maternal BMI, and neurodevelopmental outcomes in children within the ECHO consortium. J Neurodev Disord 2024; 16:26. [PMID: 38796448 PMCID: PMC11128127 DOI: 10.1186/s11689-024-09540-1] [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: 02/07/2023] [Accepted: 04/27/2024] [Indexed: 05/28/2024] Open
Abstract
BACKGROUND Synthetic oxytocin (sOT) is frequently administered during parturition. Studies have raised concerns that fetal exposure to sOT may be associated with altered brain development and risk of neurodevelopmental disorders. In a large and diverse sample of children with data about intrapartum sOT exposure and subsequent diagnoses of two prevalent neurodevelopmental disorders, i.e., attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD), we tested the following hypotheses: (1) Intrapartum sOT exposure is associated with increased odds of child ADHD or ASD; (2) associations differ across sex; (3) associations between intrapartum sOT exposure and ADHD or ASD are accentuated in offspring of mothers with pre-pregnancy obesity. METHODS The study sample comprised 12,503 participants from 44 cohort sites included in the Environmental Influences on Child Health Outcomes (ECHO) consortium. Mixed-effects logistic regression analyses were used to estimate the association between intrapartum sOT exposure and offspring ADHD or ASD (in separate models). Maternal obesity (pre-pregnancy BMI ≥ 30 kg/m2) and child sex were evaluated for effect modification. RESULTS Intrapartum sOT exposure was present in 48% of participants. sOT exposure was not associated with increased odds of ASD (adjusted odds ratio [aOR] 0.86; 95% confidence interval [CI], 0.71-1.03) or ADHD (aOR 0.89; 95% CI, 0.76-1.04). Associations did not differ by child sex. Among mothers with pre-pregnancy obesity, sOT exposure was associated with lower odds of offspring ADHD (aOR 0.72; 95% CI, 0.55-0.96). No association was found among mothers without obesity (aOR 0.97; 95% CI, 0.80-1.18). CONCLUSIONS In a large, diverse sample, we found no evidence of an association between intrapartum exposure to sOT and odds of ADHD or ASD in either male or female offspring. Contrary to our hypothesis, among mothers with pre-pregnancy obesity, sOT exposure was associated with lower odds of child ADHD diagnosis.
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Affiliation(s)
- Lisa Kurth
- Department of Pediatrics, Developmental Section, University of Colorado School of Medicine, 13123 E. 16th Ave. B065, Aurora, CO, 80045, USA.
| | - T Michael O'Shea
- Department of Pediatrics, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Irina Burd
- Departments of Obstetrics, Gynecology and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Anne L Dunlop
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Lisa Croen
- Kaiser Permanente Division of Research, Northern California, Oakland, CA, USA
| | - Greta Wilkening
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA
| | - Ting-Ju Hsu
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Stephan Ehrhardt
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Arvind Palanisamy
- Department of Anesthesiology, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Monica McGrath
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Marie L Churchill
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Daniel Weinberger
- Departments of Psychiatry, Neurology, Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA
- The Lieber institute for Brain Development, Baltimore, MD, USA
| | - Marco Grados
- Departments of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
- Kennedy Krieger Institute, Baltimore, MD, USA
| | - Dana Dabelea
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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10
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Guo Z, Wang M, Pan Y, Lu H, Pan S. Ecological assessment of stream water polluted by phosphorus chemical plant: Physiological, biochemical, and molecular effects on zebrafish (Danio rerio) embryos. ENVIRONMENTAL RESEARCH 2024; 247:118173. [PMID: 38224935 DOI: 10.1016/j.envres.2024.118173] [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: 11/06/2023] [Revised: 12/15/2023] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
The rapid development of the phosphorus chemical industry has caused serious pollution problems in the regional eco-environment. However, understanding of their ecotoxic effects remains limited. This study aimed to investigate the developmental toxicity of a stream polluted by a phosphorus chemical plant (PCP) on zebrafish embryos. For this, zebrafish embryos were exposed to stream water (0, 25, 50, and 100% v/v) for 96 h, and developmental toxicity, oxidative stress, apoptosis, and DNA damage were assessed. Stream water-treated embryos exhibited decreased hatching rates, heart rates, and body lengths, as well as increased mortality and malformation rates. The general morphology score system indicated that the swim bladder and pigmentation were the main abnormal morphological endpoints. Stream water promoted antioxidant enzymes (superoxide dismutase (SOD), peroxidase (POD), and glutathione peroxidase (GPx)), lipid peroxidation, and DNA damage. It also triggered apoptosis in the embryos' heads, hearts, and spines by activating apoptotic enzymes (Caspase-3 and Caspase-9). Additionally, stream water influenced growth, oxidative stress, and apoptosis-related 19 gene expression. Notably, tyr, sod (Mn), and caspase9 were the most sensitive indicators of growth, oxidative stress, and apoptosis, respectively. The current trial concluded that PCP-polluted stream water exhibited significant developmental toxicity to zebrafish embryos, which was regulated by the oxidative stress-mediated activation of endogenous apoptotic signaling pathways.
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Affiliation(s)
- Ziyu Guo
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 561113, China.
| | - Min Wang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 561113, China.
| | - Yuwei Pan
- College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.
| | - Hongliang Lu
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 561113, China.
| | - Sha Pan
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 561113, China.
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11
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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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12
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Zamstein O, Sheiner E, Binyamin Y, Pariente G, Wainstock T. Examining the relationship between autism spectrum disorder in children whose mother had labour epidural analgesia for their birth: A retrospective cohort study. Eur J Anaesthesiol 2024; 41:282-287. [PMID: 38084085 DOI: 10.1097/eja.0000000000001932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
BACKGROUND Controversy exists regarding the association between autism spectrum disorder (ASD) in children whose mother had labour epidural analgesia for their birth, as the few existing investigations have reported mixed findings. OBJECTIVE This study aims to evaluate the possibility of an association in our heterogeneous population. DESIGN A retrospective population-based cohort study. SETTING Vaginal deliveries that took place between the years 2005 and 2017 at Soroka University Medical Center, a tertiary referral hospital in Israel, and a follow-up on the incidence of ASD in the children. PATIENTS A hundred and thirty-nine thousand, nine hundred and eighty-one labouring patients and their offspring. MAIN OUTCOME MEASURES The incidence of children diagnosed with ASD (both hospital and community-based diagnoses) was compared based on whether their mothers had received labour epidural analgesia during their labour. A Kaplan-Meier survival curve compared cumulative incidence of ASD. A Cox proportional hazards model was used to control for relevant confounders. RESULTS Labour epidural analgesia was administered to 33 315 women. Epidural analgesia was more common among high-risk pregnancy groups (including pregnancies complicated with diabetes mellitus, hypertensive disorders, intrauterine growth restriction, and oligohydramnios; P < 0.001). In a Cox proportional hazards model, the association between epidural analgesia during labour and ASD in the children lost statistical significance following adjustment for confounders such as maternal age, gestational age, hypertensive disorders, diabetes mellitus, and ethnicity [adjusted hazard ratio = 1.13, 95% confidence interval (CI), 0.96 to 1.34, P = 0.152]. CONCLUSION In our population, after adjusting for confounders, epidural analgesia is not independently associated with autism spectrum disorder in the children. These findings enhance our knowledge regarding the safety of epidural analgesia and enable patients to make informed decisions about their pain relief techniques during labour.
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Affiliation(s)
- Omri Zamstein
- From the Obstetrics and Gynecology Division, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel (OZ, ES, GP), Department of Anesthesiology, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (YB) and Department of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (TW)
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13
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Ma J, Tan J, Zhang W, Bai M, Liu K. Prenatal inflammation exposure accelerates lung cancer tumorigenesis in offspring mouse: possible links to IRE1α/XBP1-mediated M2-like polarization of TAMs and PD-L1 up-expression. Cancer Immunol Immunother 2024; 73:88. [PMID: 38554175 PMCID: PMC10981640 DOI: 10.1007/s00262-024-03666-w] [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: 11/29/2023] [Accepted: 03/01/2024] [Indexed: 04/01/2024]
Abstract
BACKGROUND Prenatal inflammation exposure (PIE) can increase the disease susceptibility in offspring such as lung cancer. Our purpose was to investigate the mechanisms of PIE on lung cancer. METHODS Prenatal BALB/c mice were exposed to lipopolysaccharide (LPS), and then, their offspring were intraperitoneally instilled with urethane to establish the two-stage lung cancer carcinogenesis model. At the 48 weeks of age, the offspring mice were killed and lung tissues were collected for HE, immunohistochemistry, immunofluorescence, and Luminex MAGPIX®-based assays. CD11b + F4/80 + tumor-associated macrophages (TAMs) were sorted out from lung tumor tissues by cell sorting technique. Flow cytometry was employed to evaluate the extent of M2-like polarization of TAMs and PD-L1 expression. RESULTS The offspring of PIE mice revealed more lung lesion changes, including atypical hyperplasia and intrapulmonary metastases. The number of lung nodules, lung organ index, and PCNA, MMP-9 and Vimentin positive cells in lung tissue of PIE group were higher than those of Control group. The increases of mRNA encoding M2 macrophage markers and cytokines in offspring of prenatal LPS-treated mice confirmed the induced effect of PIE on macrophage polarization. Additionally, PIE treatment increased the percentage of CD163 + CD206 + cells in the sorted TAMs. Importantly, endoplasmic reticulum (ER) stress-markers like GRP78/BIP and CHOP, p-IRE1α and XBP1s, and PD-L1 were up-regulated in TAMs from PIE group. Besides, we also observed that IRE1α inhibitor (KIRA6) reversed the M2-like TAMs polarization and metastasis induced by PIE. CONCLUSIONS IRE1α/XBP1-mediated M2-like TAMs polarization releases the pro-tumorigenic cytokines and PD-L1 expression, which may be the regulatory mechanism of accelerating lung cancer in offspring of mice undergoing PIE.
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Affiliation(s)
- Jingbo Ma
- Department of Thoracic Surgery, Seventh Medical Center of Chinese, PLA General Hospital, No. 5, Nanmencang, Dongcheng District, Beijing, 100010, China
| | - Jian Tan
- Department of Thoracic Surgery, Seventh Medical Center of Chinese, PLA General Hospital, No. 5, Nanmencang, Dongcheng District, Beijing, 100010, China
| | - Weiqiang Zhang
- Department of Thoracic Surgery, Seventh Medical Center of Chinese, PLA General Hospital, No. 5, Nanmencang, Dongcheng District, Beijing, 100010, China
| | - Miaochun Bai
- Department of Thoracic Surgery, Seventh Medical Center of Chinese, PLA General Hospital, No. 5, Nanmencang, Dongcheng District, Beijing, 100010, China
| | - Keqiang Liu
- Department of Thoracic Surgery, Seventh Medical Center of Chinese, PLA General Hospital, No. 5, Nanmencang, Dongcheng District, Beijing, 100010, China.
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14
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Parker J, O’Brien CL, Yeoh C, Gersh FL, Brennecke S. Reducing the Risk of Pre-Eclampsia in Women with Polycystic Ovary Syndrome Using a Combination of Pregnancy Screening, Lifestyle, and Medical Management Strategies. J Clin Med 2024; 13:1774. [PMID: 38541997 PMCID: PMC10971491 DOI: 10.3390/jcm13061774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/12/2024] [Accepted: 03/17/2024] [Indexed: 05/04/2024] Open
Abstract
Polycystic ovary syndrome (PCOS) is a multisystem disorder that presents with a variety of phenotypes involving metabolic, endocrine, reproductive, and psychological symptoms and signs. Women with PCOS are at increased risk of pregnancy complications including implantation failure, miscarriage, gestational diabetes, fetal growth restriction, preterm labor, and pre-eclampsia (PE). This may be attributed to the presence of specific susceptibility features associated with PCOS before and during pregnancy, such as chronic systemic inflammation, insulin resistance (IR), and hyperandrogenism, all of which have been associated with an increased risk of pregnancy complications. Many of the features of PCOS are reversible following lifestyle interventions such as diet and exercise, and pregnant women following a healthy lifestyle have been found to have a lower risk of complications, including PE. This narrative synthesis summarizes the evidence investigating the risk of PE and the role of nutritional factors in women with PCOS. The findings suggest that the beneficial aspects of lifestyle management of PCOS, as recommended in the evidence-based international guidelines, extend to improved pregnancy outcomes. Identifying high-risk women with PCOS will allow targeted interventions, early-pregnancy screening, and increased surveillance for PE. Women with PCOS should be included in risk assessment algorithms for PE.
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Affiliation(s)
- Jim Parker
- School of Medicine, University of Wollongong, Wollongong 2522, Australia
| | - Claire Louise O’Brien
- Faculty of Science and Technology, University of Canberra, Canberra 2617, Australia;
| | - Christabelle Yeoh
- Next Practice Genbiome, 2/2 New McLean Street, Edgecliff 2027, Australia;
| | - Felice L. Gersh
- College of Medicine, University of Arizona, Tucson, AZ 85004, USA;
| | - Shaun Brennecke
- Department of Maternal-Fetal Medicine, Pregnancy Research Centre, The Royal Women’s Hospital, Melbourne 3052, Australia;
- Department of Obstetrics and Gynaecology, The University of Melbourne, Melbourne 3052, Australia
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15
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Wai KM, Swe T, Su Hninn TS, Paing AM, Naing YL, Htay ZW, Ihara K. Prenatal exposure to environmental heavy metals and newborn telomere length: A systematic review and meta-analysis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123192. [PMID: 38135140 DOI: 10.1016/j.envpol.2023.123192] [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: 04/28/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 12/24/2023]
Abstract
Exposure to environmental heavy metals is associated with telomere length (TL) alteration. Available information regarding the effect of prenatal exposure to environmental pollutants on newborn TL is controversial. The aim of this study is to systematically review and conduct a meta-analysis of the existing epidemiological studies on the associations between prenatal metal exposure and newborn TL. A comprehensive literature search was performed using the online databases of PubMed, Web of Science, and ScienceDirect from their inception to December 1, 2023. Thirteen eligible studies were included from the overall initial identification of 3559 records. The effect size was expressed as standardized beta coefficients with 95% confidence intervals (CIs) by the restricted maximum-likelihood approach with a weighted random-effects model. Prenatal exposure to environmental heavy metals was associated with a shorter newborn TL (standardized beta = -0.04; 95% CI: -0.08, 0.00; p = 0.05). Subgroup analysis showed that prenatal exposure to cadmium was significantly, negatively associated with TL in newborns (standardized beta = -0.05; 95% CI: -0.10, -0.01; p = 0.021). Heavy metal exposure during the third trimester was significantly associated with a shorter TL in newborns (standardized beta = -0.05; 95% CI: -0.11, -0.01; p = 0.045). No significant association was found between the newborn's sex and exposure sample type. This study provides evidence for the negative effect of prenatal exposure to heavy metals on newborn TL. In particular, cadmium exposure and exposure during the third trimester of pregnancy are critical factors associated with heavy metal-induced TL shortening.
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Affiliation(s)
- Kyi Mar Wai
- Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Japan; Department of Human Ecology, Graduate School of Medicine, The University of Tokyo, Japan.
| | - Thinzar Swe
- Preclinical Department, University of Medicine (2), Myanmar
| | - Thae Su Su Hninn
- International Program in Hazardous Substance and Environmental Management, Chulalongkorn University, Thailand
| | | | - Yoon Lei Naing
- Department of Human Resource for Health, University of Medicine (1), Myanmar
| | - Zin Wai Htay
- Department of Global Health Policy, Graduate School of Medicine, The University of Tokyo, Japan
| | - Kazushige Ihara
- Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Japan
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16
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Ghanbari M, Khosroshahi NS, Alamdar M, Abdi A, Aghazadeh A, Feizi MAH, Haghi M. An Updated Review on the Significance of DNA and Protein Methyltransferases and De-methylases in Human Diseases: From Molecular Mechanism to Novel Therapeutic Approaches. Curr Med Chem 2024; 31:3550-3587. [PMID: 37287285 DOI: 10.2174/0929867330666230607124803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 06/09/2023]
Abstract
Epigenetic mechanisms are crucial in regulating gene expression. These mechanisms include DNA methylation and histone modifications, like methylation, acetylation, and phosphorylation. DNA methylation is associated with gene expression suppression; however, histone methylation can stimulate or repress gene expression depending on the methylation pattern of lysine or arginine residues on histones. These modifications are key factors in mediating the environmental effect on gene expression regulation. Therefore, their aberrant activity is associated with the development of various diseases. The current study aimed to review the significance of DNA and histone methyltransferases and demethylases in developing various conditions, like cardiovascular diseases, myopathies, diabetes, obesity, osteoporosis, cancer, aging, and central nervous system conditions. A better understanding of the epigenetic roles in developing diseases can pave the way for developing novel therapeutic approaches for affected patients.
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Affiliation(s)
- Mohammad Ghanbari
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Negin Sadi Khosroshahi
- Department of Biology, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Maryam Alamdar
- Department of Genetics Sciences, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Adel Abdi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Aida Aghazadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | | | - Mehdi Haghi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
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17
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Freisthler M, Winchester PW, Young HA, Haas DM. Perinatal health effects of herbicides exposures in the United States: the Heartland Study, a Midwestern birth cohort study. BMC Public Health 2023; 23:2308. [PMID: 37993831 PMCID: PMC10664386 DOI: 10.1186/s12889-023-17171-9] [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: 11/30/2022] [Accepted: 11/03/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND The objective of the Heartland Study is to address major knowledge gaps concerning the health effects of herbicides on maternal and infant health. To achieve this goal, a two-phased, prospective longitudinal cohort study is being conducted. Phase 1 is designed to evaluate associations between biomarkers of herbicide concentration and pregnancy/childbirth outcomes. Phase 2 is designed to evaluate potential associations between herbicide biomarkers and early childhood neurological development. METHODS People (target enrollment of 2,000) who are seeking prenatal care, are ages 18 or older, and are ≤ 20 + 6 weeks gestation will be eligible for recruitment. The Heartland Study will utilize a combination of questionnaire data and biospecimen collections to meet the study objectives. One prenatal urine and buccal sample will be collected per trimester to assess the impact of herbicide concentration levels on pregnancy outcomes. Infant buccal specimens will be collected post-delivery. All questionnaires will be collected by trained study staff and clinic staff will remain blinded to all individual level research data. All data will be stored in a secure REDCap database. Hospitals in the agriculturally intensive states in the Midwestern region will be recruited as study sites. Currently participating clinical sites include Indiana University School of Medicine- affiliated Hospitals in Indianapolis, Indiana; Franciscan Health Center in Indianapolis, Indiana; Gundersen Lutheran Medical Center in La Crosse, Wisconsin, and University of Iowa in Iowa City, Iowa. An anticipated 30% of the total enrollment will be recruited from rural areas to evaluate herbicide concentrations among those pregnant people residing in the rural Midwest. Perinatal outcomes (e.g. birth outcomes, preterm birth, preeclampsia, etc.) will be extracted by trained study teams and analyzed for their relationship to herbicide concentration levels using appropriate multivariable models. DISCUSSION Though decades of study have shown that environmental chemicals may have important impacts on the health of parents and infants, there is a paucity of prospective longitudinal data on reproductive impacts of herbicides. The recent, rapid increases in herbicide use across agricultural regions of the United States necessitate further research into the human health effects of these chemicals, particularly in pregnant people. The Heartland Study provides an invaluable opportunity to evaluate health impacts of herbicides during pregnancy and beyond. TRIAL REGISTRATION The study is registered at clinicaltrials.gov, NCT05492708 with initial registration and release 05 August, 2022.
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Affiliation(s)
- Marlaina Freisthler
- Department of Environmental and Occupational Health, Milken Institute of Public Health, George Washington University, 950 New Hampshire Ave NW #2, Washington, DC, 20052, USA
| | - Paul W Winchester
- Neonatal-Perinatal Medicine, Riley Children's Hospital, Indiana University School of Medicine, 699 Riley Hospital Dr RR 208, Indianapolis, IN, 46202, USA
- Franciscan Health, Indianapolis, 8111 South Emerson Avenue, Indianapolis, IN, 46237, USA
| | - Heather A Young
- Department of Epidemiology, Milken Institute for Public Health, George Washington University, 950 New Hampshire Ave NW #2, Washington, DC, 20052, USA
| | - David M Haas
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, 550 N. University Blvd, Indianapolis, IN, UH2440, USA.
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18
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Aldawood N, Almustafa S, Alwasel S, Aldahmash W, Ben Bacha A, Alamri A, Alanazi M, Harrath AH. Involvement of Autophagy and Oxidative Stress-Mediated DNA Hypomethylation in Transgenerational Nephrotoxicity Induced in Rats by the Mycotoxin Fumonisin B1. Toxins (Basel) 2023; 15:663. [PMID: 37999527 PMCID: PMC10674455 DOI: 10.3390/toxins15110663] [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: 10/08/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023] Open
Abstract
Fumonisin B1 (FB1), a mycotoxin produced by Fusarium verticillioides, is one of the most common pollutants in natural foods and agricultural crops. It can cause chronic and severe health issues in humans and animals. The aim of this study was to evaluate the transgenerational effects of FB1 exposure on the structure and function of the kidneys in offspring. Virgin female Wistar rats were randomly divided into three groups: group one (control) received sterile water, and groups two and three were intragastrically administered low (20 mg/kg) and high (50 mg/kg) doses of FB1, respectively, from day 6 of pregnancy until delivery. Our results showed that exposure to either dose of FB1 caused histopathological changes, such as atrophy, hypercellularity, hemorrhage, calcification, and a decrease in the glomerular diameter, in both the first and second generations. The levels of the antioxidant markers glutathione, glutathione S-transferase, and catalase significantly decreased, while malondialdehyde levels increased. Moreover, autophagy was induced, as immunofluorescence analysis revealed that LC-3 protein expression was significantly increased in both generations after exposure to either dose of FB1. However, a significant decrease in methyltransferase (DNMT3) protein expression was observed in the first generation in both treatment groups (20 mg/kg and 50 mg/kg), indicating a decrease in DNA methylation as a result of early-life exposure to FB1. Interestingly, global hypomethylation was also observed in the second generation in both treatment groups despite the fact that the mothers of these rats were not exposed to FB1. Thus, early-life exposure to FB1 induced nephrotoxicity in offspring of the first and second generations. The mechanisms of action underlying this transgenerational effect may include oxidative stress, autophagy, and DNA hypomethylation.
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Affiliation(s)
- Nouf Aldawood
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia;
| | - Sarah Almustafa
- Department of Zoology, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia (S.A.); (W.A.)
| | - Saleh Alwasel
- Department of Zoology, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia (S.A.); (W.A.)
| | - Waleed Aldahmash
- Department of Zoology, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia (S.A.); (W.A.)
| | - Abir Ben Bacha
- Department of Biochemistry, College of Sciences, King Saud University, Riyadh 11671, Saudi Arabia;
| | - Abdullah Alamri
- Genome Research Chair, Department of Biochemistry, College of Sciences, King Saud University, Riyadh 11495, Saudi Arabia; (A.A.); (M.A.)
| | - Mohammad Alanazi
- Genome Research Chair, Department of Biochemistry, College of Sciences, King Saud University, Riyadh 11495, Saudi Arabia; (A.A.); (M.A.)
| | - Abdel Halim Harrath
- Department of Zoology, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia (S.A.); (W.A.)
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19
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Merrill AK, Sobolewski M, Susiarjo M. Exposure to endocrine disrupting chemicals impacts immunological and metabolic status of women during pregnancy. Mol Cell Endocrinol 2023; 577:112031. [PMID: 37506868 PMCID: PMC10592265 DOI: 10.1016/j.mce.2023.112031] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/12/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023]
Affiliation(s)
- Alyssa K Merrill
- Department of Environmental Medicine, University of Rochester School of Medicine, Rochester, NY, USA
| | - Marissa Sobolewski
- Department of Environmental Medicine, University of Rochester School of Medicine, Rochester, NY, USA
| | - Martha Susiarjo
- Department of Environmental Medicine, University of Rochester School of Medicine, Rochester, NY, USA.
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20
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Gutiérrez-Pérez M, González-González S, Estrada-Rodriguez KP, Espítia-Bautista E, Guzmán-Ruiz MA, Escalona R, Escobar C, Guerrero-Vargas NN. Dim Light at Night Promotes Circadian Disruption in Female Rats, at the Metabolic, Reproductive, and Behavioral Level. Adv Biol (Weinh) 2023; 7:e2200289. [PMID: 36650949 DOI: 10.1002/adbi.202200289] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/09/2022] [Indexed: 01/19/2023]
Abstract
Inhabitants of urban areas are constantly exposed to light at night, which is an important environmental factor leading to circadian disruption. Streetlights filtering light through the windows and night dim light lamps are common sources of dim light at night (DLAN). The female population is susceptible to circadian disruption. The present study is aimed to determine the impact of DLAN on female Wistar rats circadian rhythms, metabolism, reproductive physiology, and behavior. After 5 weeks of DLAN exposure daily, oscillations in activity and body temperature of female rats are abolished. DLAN also decreases nocturnal food ingestion, which results in a diminishment in total food consumption. These alterations in the temporal organization of the body are associated with a significant decrease in melatonin plasmatic levels, reproductive disruptions, decreased exploration times, and marked anhedonia. This study highlights the importance of avoiding exposure to light at night, even at low intensities, to maintain the circadian organization of physiology, and denotes the great necessity of increasing the studies in females since the sexual dimorphism within the effects of desynchronizing protocols has been poorly studied.
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Affiliation(s)
- Mariana Gutiérrez-Pérez
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Shellye González-González
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Karla P Estrada-Rodriguez
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Estefania Espítia-Bautista
- Centro de Ciencias de la Complejidad, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Mara A Guzmán-Ruiz
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Rene Escalona
- Departamento de Embriología y Genética, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Carolina Escobar
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Natalí N Guerrero-Vargas
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
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21
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Duttaroy AK. Influence of Maternal Diet and Environmental Factors on Fetal Development. Nutrients 2023; 15:4094. [PMID: 37836378 PMCID: PMC10574755 DOI: 10.3390/nu15194094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
This Special Issue of Nutrients, "Influence of Maternal Diet and Environmental Factors on Fetal Development", requests articles on the roles of maternal diet and environmental factors such as microbiota, plastics, and endocrine disruptive chemicals impact fetal development [...].
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Affiliation(s)
- Asim K Duttaroy
- Department of Nutrition, Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo, 0316 Oslo, Norway
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22
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Eichenauer H, Ehlert U. The association between prenatal famine, DNA methylation and mental disorders: a systematic review and meta-analysis. Clin Epigenetics 2023; 15:152. [PMID: 37716973 PMCID: PMC10505322 DOI: 10.1186/s13148-023-01557-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/14/2023] [Indexed: 09/18/2023] Open
Abstract
BACKGROUND Undernutrition in pregnant women is an unfavorable environmental condition that can affect the intrauterine development via epigenetic mechanisms and thus have long-lasting detrimental consequences for the mental health of the offspring later in life. One epigenetic mechanism that has been associated with mental disorders and undernutrition is alterations in DNA methylation. The effect of prenatal undernutrition on the mental health of adult offspring can be analyzed through quasi-experimental studies such as famine studies. The present systematic review and meta-analysis aims to analyze the association between prenatal famine exposure, DNA methylation, and mental disorders in adult offspring. We further investigate whether altered DNA methylation as a result of prenatal famine exposure is prospectively linked to mental disorders. METHODS We conducted a systematic search of the databases PubMed and PsycINFO to identify relevant records up to September 2022 on offspring whose mothers experienced famine directly before and/or during pregnancy, examining the impact of prenatal famine exposure on the offspring's DNA methylation and/or mental disorders or symptoms. RESULTS The systematic review showed that adults who were prenatally exposed to famine had an increased risk of schizophrenia and depression. Several studies reported an association between prenatal famine exposure and hyper- or hypomethylation of specific genes. The largest number of studies reported differences in DNA methylation of the IGF2 gene. Altered DNA methylation of the DUSP22 gene mediated the association between prenatal famine exposure and schizophrenia in adult offspring. Meta-analysis confirmed the increased risk of schizophrenia following prenatal famine exposure. For DNA methylation, meta-analysis was not suitable due to different microarrays/data processing approaches and/or unavailable data. CONCLUSION Prenatal famine exposure is associated with an increased risk of mental disorders and DNA methylation changes. The findings suggest that changes in DNA methylation of genes involved in neuronal, neuroendocrine, and immune processes may be a mechanism that promotes the development of mental disorders such as schizophrenia and depression in adult offspring. Such findings are crucial given that undernutrition has risen worldwide, increasing the risk of famine and thus also of negative effects on mental health.
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Affiliation(s)
- Heike Eichenauer
- Clinical Psychology and Psychotherapy, University of Zurich, Binzmühlestrasse 14, 8050, Zurich, Switzerland
| | - Ulrike Ehlert
- Clinical Psychology and Psychotherapy, University of Zurich, Binzmühlestrasse 14, 8050, Zurich, Switzerland.
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23
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Luo M, Yi Y, Huang S, Dai S, Xie L, Liu K, Zhang S, Jiang T, Wang T, Yao B, Wang H, Xu D. Gestational dexamethasone exposure impacts hippocampal excitatory synaptic transmission and learning and memory function with transgenerational effects. Acta Pharm Sin B 2023; 13:3708-3727. [PMID: 37719378 PMCID: PMC10501875 DOI: 10.1016/j.apsb.2023.05.013] [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: 02/10/2023] [Revised: 04/20/2023] [Accepted: 05/06/2023] [Indexed: 09/19/2023] Open
Abstract
The formation of learning and memory is regulated by synaptic plasticity in hippocampal neurons. Here we explored how gestational exposure to dexamethasone, a synthetic glucocorticoid commonly used in clinical practice, has lasting effects on offspring's learning and memory. Adult offspring rats of prenatal dexamethasone exposure (PDE) displayed significant impairments in novelty recognition and spatial learning memory, with some phenotypes maintained transgenerationally. PDE impaired synaptic transmission of hippocampal excitatory neurons in offspring of F1 to F3 generations, and abnormalities of neurotransmitters and receptors would impair synaptic plasticity and lead to impaired learning and memory, but these changes failed to carry over to offspring of F5 and F7 generations. Mechanistically, altered hippocampal miR-133a-3p-SIRT1-CDK5-NR2B signaling axis in PDE multigeneration caused inhibition of excitatory synaptic transmission, which might be related to oocyte-specific high expression and transmission of miR-133a-3p. Together, PDE affects hippocampal excitatory synaptic transmission, with lasting consequences across generations, and CDK5 in offspring's peripheral blood might be used as an early-warning marker for fetal-originated learning and memory impairment.
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Affiliation(s)
- Mingcui Luo
- Department of Obstetrics, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Yiwen Yi
- Department of Pharmacology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Songqiang Huang
- Department of Pharmacology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Shiyun Dai
- Department of Pharmacology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Lulu Xie
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan 430071, China
| | - Kexin Liu
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Shuai Zhang
- Department of Obstetrics, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Tao Jiang
- Department of Pharmacology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Tingting Wang
- Department of Obstetrics, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Baozhen Yao
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
- Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan 430071, China
| | - Hui Wang
- Department of Pharmacology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Dan Xu
- Department of Obstetrics, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
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Clemmensen PJ, Schullehner J, Brix N, Sigsgaard T, Stayner LT, Kolstad HA, Ramlau-Hansen CH. Prenatal Exposure to Nitrate in Drinking Water and Adverse Health Outcomes in the Offspring: a Review of Current Epidemiological Research. Curr Environ Health Rep 2023; 10:250-263. [PMID: 37453984 PMCID: PMC10504112 DOI: 10.1007/s40572-023-00404-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE OF REVIEW Recently, several epidemiological studies have investigated whether prenatal exposure to nitrate from drinking water may be harmful to the fetus, even at nitrate levels below the current World Health Organization drinking water standard. The purpose of this review was to give an overview of the newest knowledge on potential health effects of prenatal exposure to nitrate. RECENT FINDINGS We included 13 epidemiological studies conducted since 2017. Nine studies investigated outcomes appearing around birth, and four studies investigated health outcomes appearing in childhood and young adulthood. The reviewed studies showed some indications of higher risk of preterm delivery, lower birth weight, birth defects, and childhood cancer related to prenatal exposure to nitrate. However, the numbers of studies for each outcome were sparse, and some of the results were conflicting. We suggest that there is a need for additional studies and particularly for studies that include information on water consumption patterns, intake of nitrate from diet, and intake of nitrosatable drugs.
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Affiliation(s)
| | - Jörg Schullehner
- Department of Public Health, Aarhus University, Aarhus, Denmark
- Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Aarhus, Denmark
| | - Nis Brix
- Department of Public Health, Aarhus University, Aarhus, Denmark
- Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
| | - Torben Sigsgaard
- Department of Public Health, Aarhus University, Aarhus, Denmark
- Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Aarhus, Denmark
- Cirrau - Centre for Integrated Register-based Research at Aarhus University, Aarhus, Denmark
| | - Leslie Thomas Stayner
- Division of Epidemiology and Biostatistics, University of Illinois at Chicago, School of Public Health, Chicago, IL, USA
| | - Henrik Albert Kolstad
- Department of Occupational Medicine, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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25
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Khodasevich D, Holland N, Hubbard A, Harley K, Deardorff J, Eskenazi B, Cardenas A. Associations between prenatal phthalate exposure and childhood epigenetic age acceleration. ENVIRONMENTAL RESEARCH 2023; 231:116067. [PMID: 37149020 PMCID: PMC10330458 DOI: 10.1016/j.envres.2023.116067] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/06/2023] [Accepted: 05/04/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND Phthalates, a group of pervasive endocrine-disrupting chemicals found in plastics and personal care products, have been associated with a wide range of developmental and health outcomes. However, their impact on biomarkers of aging has not been characterized. We tested associations between prenatal exposure to 11 phthalate metabolites on epigenetic aging in children at birth, 7, 9, and 14 years of age. We hypothesized that prenatal phthalate exposure will be associated with epigenetic age acceleration measures at birth and in early childhood, with patterns dependent on sex and timing of DNAm measurement. METHODS Among 385 mother-child pairs from the CHAMACOS cohort, we measured DNAm at birth, 7, 9, and 14 years of age, and utilized adjusted linear regression to assess the association between prenatal phthalate exposure and Bohlin's Gestational Age Acceleration (GAA) at birth and Intrinsic Epigenetic Age Acceleration (IEAA) throughout childhood. Additionally, quantile g-computation was utilized to assess the effect of the phthalate mixture on GAA at birth and IEAA throughout childhood. RESULTS We found a negative association between prenatal di (2-ethylhexyl) phthalate (DEHP) exposure and IEAA among males at age 7 (-0.62 years; 95% CI:-1.06 to -0.18), and a marginal negative association between the whole phthalate mixture and GAA among males at birth (-1.54 days, 95% CI: -2.79 to -0.28), while most other associations were nonsignificant. CONCLUSIONS Our results suggest that prenatal exposure to certain phthalates is associated with epigenetic aging in children. Additionally, our findings suggest that the influence of prenatal exposures on epigenetic age may only manifest during specific periods of child development, and studies relying on DNAm measurements solely from cord blood or single time points may overlook potential relationships.
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Affiliation(s)
- Dennis Khodasevich
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, USA; Center for Computational Biology, University of California, Berkeley, CA, USA
| | - Nina Holland
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, USA; Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Alan Hubbard
- Division of Biostatistics, School of Public Health, University of California, Berkeley, CA, USA
| | - Kim Harley
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Julianna Deardorff
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, CA, USA; Division of Community Health Sciences, School of Public Health, University of California, Berkeley, CA, USA
| | - Brenda Eskenazi
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Andres Cardenas
- Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA.
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26
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Baker BH, Zhang S, Simon JM, McLarnan SM, Chung WK, Pearson BL. Environmental carcinogens disproportionally mutate genes implicated in neurodevelopmental disorders. Front Neurosci 2023; 17:1106573. [PMID: 37599994 PMCID: PMC10435087 DOI: 10.3389/fnins.2023.1106573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 07/17/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction De novo mutations contribute to a large proportion of sporadic psychiatric and developmental disorders, yet the potential role of environmental carcinogens as drivers of causal de novo mutations in neurodevelopmental disorders is poorly studied. Methods To explore environmental mutation vulnerability of disease-associated gene sets, we analyzed publicly available whole genome sequencing datasets of mutations in human induced pluripotent stem cell clonal lines exposed to 12 classes of environmental carcinogens, and human lung cancers from individuals living in highly polluted regions. We compared observed rates of exposure-induced mutations in disease-related gene sets with the expected rates of mutations based on control genes randomly sampled from the genome using exact binomial tests. To explore the role of sequence characteristics in mutation vulnerability, we modeled the effects of sequence length, gene expression, and percent GC content on mutation rates of entire genes and gene coding sequences using multivariate Quasi-Poisson regressions. Results We demonstrate that several mutagens, including radiation and polycyclic aromatic hydrocarbons, disproportionately mutate genes related to neurodevelopmental disorders including autism spectrum disorders, schizophrenia, and attention deficit hyperactivity disorder. Other disease genes including amyotrophic lateral sclerosis, Alzheimer's disease, congenital heart disease, orofacial clefts, and coronary artery disease were generally not mutated more than expected. Longer sequence length was more strongly associated with elevated mutations in entire genes compared with mutations in coding sequences. Increased expression was associated with decreased coding sequence mutation rate, but not with the mutability of entire genes. Increased GC content was associated with increased coding sequence mutation rates but decreased mutation rates in entire genes. Discussion Our findings support the possibility that neurodevelopmental disorder genetic etiology is partially driven by a contribution of environment-induced germ line and somatic mutations.
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Affiliation(s)
- Brennan H. Baker
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, United States
| | - Shaoyi Zhang
- Master of Public Health Program, Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States
| | - Jeremy M. Simon
- Department of Genetics and Neuroscience Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Sarah M. McLarnan
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, United States
| | - Wendy K. Chung
- Department of Pediatrics and Medicine, Columbia University Irving Medical Center, New York, NY, United States
| | - Brandon L. Pearson
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, United States
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27
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Lundsgaard NU, Hird C, Doody KA, Franklin CE, Cramp RL. Carryover effects from environmental change in early life: An overlooked driver of the amphibian extinction crisis? GLOBAL CHANGE BIOLOGY 2023; 29:3857-3868. [PMID: 37310166 DOI: 10.1111/gcb.16726] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/27/2023] [Indexed: 06/14/2023]
Abstract
Ecological carryover effects, or delayed effects of the environment on an organism's phenotype, are central predictors of individual fitness and a key issue in conservation biology. Climate change imposes increasingly variable environmental conditions that may be challenging to early life-history stages in animals with complex life histories, leading to detrimental physiological and fitness effects in later life. Yet, the latent nature of carryover effects, combined with the long temporal scales over which they can manifest, means that this phenomenon remains understudied and is often overlooked in short-term studies limited to single life-history stages. Herein, we review evidence for the physiological carryover effects induced by elevated ultraviolet radiation (UVR; 280-400 nm) as a potential contributor to recent amphibian population declines. UVR exposure causes a suite of molecular, cellular and physiological consequences known to underpin carryover effects in other taxa, but there is a lack of research linking embryonic and larval UVR exposures to fitness consequences post-metamorphosis in amphibians. We propose that the key impacts of UVR on disease-related amphibian declines are facilitated through carryover effects that bridge embryonic and larval UVR exposure with potential increased disease susceptibility post-metamorphosis. We conclude by identifying a practical direction for the study of ecological carryover effects in amphibians that could guide future ecological research in the broader field of conservation physiology. Only by addressing carryover effects can many of the mechanistic links between environmental change and population declines be elucidated.
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Affiliation(s)
- Niclas U Lundsgaard
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Coen Hird
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Kathleen A Doody
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Craig E Franklin
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
| | - Rebecca L Cramp
- School of Biological Sciences, The University of Queensland, St Lucia, Australia
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28
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Koshko L, Scofield S, Debarba L, Stilgenbauer L, Fakhoury P, Jayarathne H, Perez-Mojica JE, Griggs E, Lempradl A, Sadagurski M. Prenatal benzene exposure in mice alters offspring hypothalamic development predisposing to metabolic disease in later life. CHEMOSPHERE 2023; 330:138738. [PMID: 37084897 PMCID: PMC10199724 DOI: 10.1016/j.chemosphere.2023.138738] [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: 02/01/2023] [Revised: 04/10/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
Maternal exposure to environmental contaminants during pregnancy poses a significant threat to a developing fetus, as these substances can easily cross the placenta and disrupt the neurodevelopment of offspring. Specifically, the hypothalamus is essential in the regulation of metabolism, notably during critical windows of development. An abnormal hormonal and inflammatory milieu during development can trigger persistent changes in the function of hypothalamic circuits, leading to long-lasting effects on the body's energy homeostasis and metabolism. We recently demonstrated that gestational exposure to clinically relevant levels of benzene induces severe metabolic dysregulation in the offspring. Given the central role of the hypothalamus in metabolic control, we hypothesized that prenatal exposure to benzene impacts hypothalamic development, contributing to the adverse metabolic effects in the offspring. C57BL/6JB dams were exposed to benzene at 50 ppm in the inhalation chambers exclusively during pregnancy (from E0.5 to E19). Transcriptomic analysis of the exposed offspring at postnatal day 21 (P21) revealed hypothalamic changes in genes related to metabolic regulation, inflammation, and neurodevelopment exclusively in males. Moreover, the hypothalamus of prenatally benzene-exposed male offspring displayed alterations in orexigenic and anorexigenic projections, impairments in leptin signaling, and increased microgliosis. Additional exposure to benzene during lactation did not promote further microgliosis or astrogliosis in the offspring, while the high-fat diet (HFD) challenge in adulthood exacerbated glucose metabolism and hypothalamic inflammation in benzene-exposed offspring of both sexes. These findings reveal the persistent adverse effects of prenatal benzene exposure on hypothalamic circuits and neuroinflammation, predisposing the offspring to long-lasting metabolic health conditions.
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Affiliation(s)
- Lisa Koshko
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | - Sydney Scofield
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | - Lucas Debarba
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | - Lukas Stilgenbauer
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | - Patrick Fakhoury
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | - Hashan Jayarathne
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA
| | | | - Ellen Griggs
- Van Andel Research Institute, Grand Rapids, MI, USA
| | | | - Marianna Sadagurski
- Department of Biological Sciences, Institute of Environmental Health Sciences, Integrative Biosciences Center (IBio), Wayne State University, Detroit, MI, USA.
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Gaber A, Elbakry AM, Aljarari RM, Jaber FA, Khadrawy YA, Sabry D, Abo-ELeneen RE, Ahmed OM. Bone Marrow-Derived Mesenchymal Stem Cells and γ-Secretase Inhibitor Treatments Suppress Amyloid- β25-35-Induced Cognitive Impairment in Rat Dams and Cortical Degeneration in Offspring. Stem Cells Int 2023; 2023:2690949. [PMID: 37274020 PMCID: PMC10234728 DOI: 10.1155/2023/2690949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 04/02/2023] [Accepted: 05/02/2023] [Indexed: 06/06/2023] Open
Abstract
Alzheimer's disease (AD) is the most frequent cause of age-related neurodegeneration and ensuing cognitive impairment. Progressive deposition of extracellular amyloid beta (Aβ) aggregates (plaques) and intracellular hyperphosphorylated Tau protein (p-Tau) are the core pathological markers of AD but may precede clinical symptoms by many years, presenting a therapeutic window of opportunity. Females are more frequently afflicted by AD than males, necessitating evaluation of novel treatments for the female population. The current study examined the protective efficacies of intravenous bone marrow-derived mesenchymal stem cells (BM-MSCs) and oral gamma-secretase inhibitor-953 (GSI-953) during pregnancy on cognitive impairment in rat dams and neurodegeneration in offspring induced by intracerebroventricular injection of Aβ25-35 prior to pregnancy. The Aβ25-35 (AD) group exhibited significant (P < 0.001) impairments in the Y-maze and novel object recognition test performance prior to conception. Histological analysis of the offspring cortex revealed substantial dendritic shrinkage and activation of microglial cells, while neurochemical analysis demonstrated significant increases in the proinflammatory cytokine interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). In contrast, BM-MSC or GSI-953 treatment of dams following Aβ25-35 injection significantly (P < 0.001) reduced the number and size of activated microglial cells, markedly increased dendrite length, and reversed proinflammatory cytokine elevations in offspring. Moreover, BM-MSC or GSI-953 treatment reversed the Aβ25-35-induced amyloid precursor protein and p-Tau elevations in the offspring brain; these changes were accompanied by upregulation of the brain-derived neurotrophic factor and downregulation of glycogen synthase kinase-3β in the serum and brain. Treatment with BM-MSCs or GSI-953 also reversed Aβ25-35-induced elevations in different gene expressions in the neonatal cortex. Finally, treatment of dams with BM-MSCs or GSI-953 prevented the Aβ25-35-induced disruption of newborn brain development. Thus, BM-MSC and GSI-953 treatments have broad-spectrum effects against Aβ25-35-induced brain pathology, including the suppression of neural inflammation, restoration of developmental plasticity, and promotion of neurotrophic signaling.
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Affiliation(s)
- Asmaa Gaber
- Comparative Anatomy and Embryology Division, Department of Zoology, Faculty of Science, Beni-Suef University, P.O. Box 62521, Beni Suef, Egypt
| | - Ahlam M. Elbakry
- Comparative Anatomy and Embryology Division, Department of Zoology, Faculty of Science, Beni-Suef University, P.O. Box 62521, Beni Suef, Egypt
| | - Rabab M. Aljarari
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Fatima A. Jaber
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Yasser A. Khadrawy
- Medical Physiology Department, Medical Branch Department, National Research Center, Giza, Egypt
| | - Dina Sabry
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Badr University in Cairo, Cairo 11829, Egypt
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo 11562, Egypt
| | - Rasha E. Abo-ELeneen
- Comparative Anatomy and Embryology Division, Department of Zoology, Faculty of Science, Beni-Suef University, P.O. Box 62521, Beni Suef, Egypt
| | - Osama M. Ahmed
- Physiology Division, Department of Zoology, Faculty of Science, Beni-Suef University, P.O. Box 62521, Beni Suef, Egypt
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Deer LK, Su C, Thwaites NA, Davis EP, Doom JR. A framework for testing pathways from prenatal stress-responsive hormones to cardiovascular disease risk. Front Endocrinol (Lausanne) 2023; 14:1111474. [PMID: 37223037 PMCID: PMC10200937 DOI: 10.3389/fendo.2023.1111474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/10/2023] [Indexed: 05/25/2023] Open
Abstract
Cardiovascular disease (CVD) is a leading cause of death globally, with the prevalence projected to keep rising. Risk factors for adult CVD emerge at least as early as the prenatal period. Alterations in stress-responsive hormones in the prenatal period are hypothesized to contribute to CVD in adulthood, but little is known about relations between prenatal stress-responsive hormones and early precursors of CVD, such as cardiometabolic risk and health behaviors. The current review presents a theoretical model of the relation between prenatal stress-responsive hormones and adult CVD through cardiometabolic risk markers (e.g., rapid catch-up growth, high BMI/adiposity, high blood pressure, and altered blood glucose, lipids, and metabolic hormones) and health behaviors (e.g., substance use, poor sleep, poor diet and eating behaviors, and low physical activity levels). Emerging evidence in human and non-human animal literatures suggest that altered stress-responsive hormones during gestation predict higher cardiometabolic risk and poorer health behaviors in offspring. This review additionally highlights limitations of the current literature (e.g., lack of racial/ethnic diversity, lack of examination of sex differences), and discusses future directions for this promising area of research.
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Affiliation(s)
- LillyBelle K. Deer
- Department of Psychology, University of Denver, Denver, CO, United States
| | - Chen Su
- Department of Psychology, University of Denver, Denver, CO, United States
| | | | - Elysia Poggi Davis
- Department of Psychology, University of Denver, Denver, CO, United States
- Department of Psychiatry & Human Behavior, University of California, Irvine, Irvine, CA, United States
| | - Jenalee R. Doom
- Department of Psychology, University of Denver, Denver, CO, United States
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Kumari U, Sharma RK, Keshari JR, Sinha A. Environmental Exposure: Effect on Maternal Morbidity and Mortality and Neonatal Health. Cureus 2023; 15:e38548. [PMID: 37273345 PMCID: PMC10239284 DOI: 10.7759/cureus.38548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/27/2023] [Indexed: 06/06/2023] Open
Abstract
Environmental factors are important causes that impair global pregnancy outcomes and are, importantly, responsible for maternal morbidity and mortality. However, apart from the direct reasons for maternal deaths, mainly obstetric and neonatal complications, such factors are ignored or given less importance. The recent surge in research on the impact of various environmental factors on pregnancy outcomes suggests the need for immediate attention to such factors and device-specific policies to counter the situation. Moreover, the recent coronavirus disease of 2019 (COVID-19) pandemic, global warming, and climate change showed a lack of preparedness to counter the impact of such events on maternal survival and safe and successful pregnancy outcomes. In the present review, we have emphasized the specific factors responsible for increased maternal and neonatal deaths and their association with specific environmental factors. Increased attention on maternal healthcare, preparedness to counter sudden environmental challenges and improvement of the conventional requirement for better maternal healthcare access and nutrition at a global level may improve the scenario.
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Affiliation(s)
- Usha Kumari
- Biochemistry, Indira Gandhi Institute of Medical Sciences, Patna, IND
| | | | - J R Keshari
- Biochemistery, Indira Gandhi Institute of Medical Sciences, Patna, IND
| | - Archana Sinha
- Obstetrics and Gynaecology, Indira Gandhi Institute of Medical Sciences, Patna, IND
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Cáceres A, Carreras-Gallo N, Andrusaityte S, Bustamante M, Carracedo Á, Chatzi L, Dwaraka VB, Grazuleviciene R, Gutzkow KB, Lepeule J, Maitre L, Mendez TL, Nieuwenhuijsen M, Slama R, Smith R, Stratakis N, Thomsen C, Urquiza J, Went H, Wright J, Yang T, Casas M, Vrijheid M, González JR. Prenatal environmental exposures associated with sex differences in childhood obesity and neurodevelopment. BMC Med 2023; 21:142. [PMID: 37046291 PMCID: PMC10099694 DOI: 10.1186/s12916-023-02815-9] [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: 11/02/2022] [Accepted: 03/06/2023] [Indexed: 04/14/2023] Open
Abstract
BACKGROUND Obesity and neurodevelopmental delay are complex traits that often co-occur and differ between boys and girls. Prenatal exposures are believed to influence children's obesity, but it is unknown whether exposures of pregnant mothers can confer a different risk of obesity between sexes, and whether they can affect neurodevelopment. METHODS We analyzed data from 1044 children from the HELIX project, comprising 93 exposures during pregnancy, and clinical, neuropsychological, and methylation data during childhood (5-11 years). Using exposome-wide interaction analyses, we identified prenatal exposures with the highest sexual dimorphism in obesity risk, which were used to create a multiexposure profile. We applied causal random forest to classify individuals into two environments: E1 and E0. E1 consists of a combination of exposure levels where girls have significantly less risk of obesity than boys, as compared to E0, which consists of the remaining combination of exposure levels. We investigated whether the association between sex and neurodevelopmental delay also differed between E0 and E1. We used methylation data to perform an epigenome-wide association study between the environments to see the effect of belonging to E1 or E0 at the molecular level. RESULTS We observed that E1 was defined by the combination of low dairy consumption, non-smokers' cotinine levels in blood, low facility richness, and the presence of green spaces during pregnancy (ORinteraction = 0.070, P = 2.59 × 10-5). E1 was also associated with a lower risk of neurodevelopmental delay in girls, based on neuropsychological tests of non-verbal intelligence (ORinteraction = 0.42, P = 0.047) and working memory (ORinteraction = 0.31, P = 0.02). In line with this, several neurodevelopmental functions were enriched in significant differentially methylated probes between E1 and E0. CONCLUSIONS The risk of obesity can be different for boys and girls in certain prenatal environments. We identified an environment combining four exposure levels that protect girls from obesity and neurodevelopment delay. The combination of single exposures into multiexposure profiles using causal inference can help determine populations at risk.
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Affiliation(s)
- Alejandro Cáceres
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain.
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain.
- Department of Mathematics, Escola d'Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya, 08019, Barcelona, Spain.
| | | | - Sandra Andrusaityte
- Department of Environmental Science, Vytautas Magnus University, 44248, Kaunas, Lithuania
| | - Mariona Bustamante
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
- Center for Genomic Regulation (CRG), Barcelona, Institute of Science and Technology (BIST), Barcelona, Spain
| | - Ángel Carracedo
- Medicine Genomics Group, Centro de Investigación Biomédica en Red Enfermedades Raras (CIBERER), CIMUS, University of Santiago de Compostela, Santiago de Compostela, Spain
- Galician Foundation of Genomic Medicine, Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Servicio Gallego de Salud (SERGAS), Galicia, Santiago de Compostela, Spain
| | - Leda Chatzi
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, USA
| | | | - Regina Grazuleviciene
- Department of Environmental Science, Vytautas Magnus University, 44248, Kaunas, Lithuania
| | - Kristine Bjerve Gutzkow
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, 0456, Oslo, Norway
| | - Johanna Lepeule
- Institut National de La Santé Et de La Recherche Médicale (Inserm) and Université Grenoble-Alpes, Institute for Advanced Biosciences (IAB), Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Grenoble, France
| | - Léa Maitre
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | | | - Mark Nieuwenhuijsen
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Remy Slama
- Institut National de La Santé Et de La Recherche Médicale (Inserm) and Université Grenoble-Alpes, Institute for Advanced Biosciences (IAB), Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Grenoble, France
| | | | - Nikos Stratakis
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
| | - Cathrine Thomsen
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, 0456, Oslo, Norway
| | - Jose Urquiza
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | | | - John Wright
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Tiffany Yang
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Maribel Casas
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Martine Vrijheid
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain
- Department of Health and Experimental Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Juan R González
- Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain.
- Centro de Investigación Biomédica en Red en Epidemiología Y Salud Pública (CIBERESP), Madrid, Spain.
- Department of Mathematics, Universitat Autònoma de Barcelona, Bellaterra, 08193, Barcelona , Spain.
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Xie C, Li X, Hei L, Chen Y, Dong Y, Zhang S, Ma S, Xu J, Pang Q, Lynch I, Guo Z, Zhang P. Toxicity of ceria nanoparticles to the regeneration of freshwater planarian Dugesia japonica: The role of biotransformation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159590. [PMID: 36270358 DOI: 10.1016/j.scitotenv.2022.159590] [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: 06/21/2022] [Revised: 08/18/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Cerium oxide nanoparticles (n-CeO2) have wide applications ranging from industrial to consumer products, which would inevitably lead to their release into the environment. Despite the toxicity of n-CeO2 on aquatic organisms has been largely reported, research on developing organisms is still lacking. In this study, we investigate the toxic effects of n-CeO2 on the stem cells, tissue- and neuro-regeneration, using freshwater planarian Dugesia japonica as a model. Effects of bulk sized (μ-) CeO2 and ionic Ce (Ce3+) were compared with that of n-CeO2 to explore the origin of the toxic effects of n-CeO2. No overt toxicity was observed in μ-CeO2 treatment. n-CeO2 not only impaired the homeostasis of normal planarians, but also inhibited the regeneration processes of regenerated planarians, demonstrated by the inhibited blastema growth, disturbed antioxidant defense system at molecular levels, elevated DNA-damage and decreased stem cell proliferation. Regenerating organisms are more susceptible to n-CeO2 than the normal ones. Ce3+ exhibited significantly higher toxicity than n-CeO2, even though the total Ce uptake is 0.2 % less in Ce3+ than in n-CeO2 treated in planarian. X-ray absorption near edge spectroscopy (XANES) analysis revealed that 12.8 % of n-CeO2 (5.95 mg/kg Ce per planarian) was transformed to Ce3+ after interaction with planarian, suggesting that biotransformation at the nano-bio interface might play an important role in the observed toxicity. Since the biotransformation of n-CeO2 is a slow process, it may cause long-term chronic toxicity to planarians due to the slow while sustained release of toxic Ce3+ ions.
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Affiliation(s)
- Changjian Xie
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Xiaowei Li
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Lisha Hei
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Yiqing Chen
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Yuling Dong
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shujing Zhang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shan Ma
- Zibo Environment Monitoring Center, Zibo 25500, Shandong, China
| | - Jianing Xu
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Qiuxiang Pang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Iseult Lynch
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Zhiling Guo
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
| | - Peng Zhang
- School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom; Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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Koshko L, Scofield S, Debarba L, Stilgenbauer L, Sacla M, Fakhoury P, Jayarathne H, Perez-Mojica JE, Griggs E, Lempradl A, Sadagurski M. Prenatal benzene exposure alters offspring hypothalamic development predisposing to metabolic disease in later life. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.05.522910. [PMID: 36711607 PMCID: PMC9881982 DOI: 10.1101/2023.01.05.522910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The hypothalamus is essential in the regulation of metabolism, notably during critical windows of development. An abnormal hormonal and inflammatory milieu during development can trigger persistent changes in the function of hypothalamic circuits, leading to long-lasting effects on the body’s energy homeostasis and metabolism. We recently demonstrated that gestational exposure to benzene at smoking levels induces severe metabolic dysregulation in the offspring. Given the central role of the hypothalamus in metabolic control, we hypothesized that prenatal exposure to benzene impacts hypothalamic development, contributing to the adverse metabolic effects in the offspring. C57BL/6JB dams were exposed to benzene in the inhalation chambers exclusively during pregnancy (from E0.5 to E19). The transcriptome analysis of the offspring hypothalamus at postnatal day 21 (P21) revealed changes in genes related to metabolic regulation, inflammation, and neurodevelopment exclusively in benzene-exposed male offspring. Moreover, the hypothalamus of prenatally benzene-exposed male offspring displayed alterations in orexigenic and anorexigenic projections, impairments in leptin signaling, and increased microgliosis. Additional exposure to benzene during lactation did not promote further microgliosis or astrogliosis in the offspring, while the high-fat diet (HFD) challenge in adulthood exacerbated glucose metabolism and hypothalamic inflammation in benzene-exposed offspring of both sexes. These findings reveal the persistent impact of prenatal benzene exposure on hypothalamic circuits and neuroinflammation, predisposing the offspring to long-lasting metabolic health conditions.
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Wallace ER, Buth E, Szpiro AA, Ni Y, Loftus CT, Masterson E, Day DB, Sun BZ, Sullivan A, Barrett E, Nguyen RH, Robinson M, Kannan K, Mason A, Sathyanarayana S, LeWinn KZ, Bush NR, Karr CJ. Prenatal exposure to polycyclic aromatic hydrocarbons is not associated with behavior problems in preschool and early school-aged children: A prospective multi-cohort study. ENVIRONMENTAL RESEARCH 2023; 216:114759. [PMID: 36370819 PMCID: PMC9817935 DOI: 10.1016/j.envres.2022.114759] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 11/02/2022] [Accepted: 11/05/2022] [Indexed: 05/31/2023]
Abstract
BACKGROUND Epidemiological study findings are inconsistent regarding associations between prenatal polycyclic aromatic hydrocarbon (PAH) exposures and childhood behavior. This study examined associations of prenatal PAH exposure with behavior at age 4-6 years in a large, diverse, multi-region prospective cohort. Secondary aims included examination of PAH mixtures and effect modification by child sex, breastfeeding, and child neighborhood opportunity. METHODS The ECHO PATHWAYS Consortium pooled 1118 mother-child dyads from three prospective pregnancy cohorts in six U.S. cities. Seven PAH metabolites were measured in prenatal urine. Child behavior was assessed at age 4-6 using the Total Problems score from the Child Behavior Checklist (CBCL). Neighborhood opportunity was assessed using the socioeconomic and educational scales of the Child Opportunity Index. Multivariable linear regression was used to estimate associations per 2-fold increase in each PAH metabolite, adjusted for demographic, prenatal, and maternal factors and using interaction terms for effect modifiers. Associations with PAH mixtures were estimated using Weighted Quantile Sum Regression (WQSR). RESULTS The sample was racially and sociodemographically diverse (38% Black, 49% White, 7% Other; household-adjusted income range $2651-$221,102). In fully adjusted models, each 2-fold increase in 2-hydroxynaphthalene was associated with a lower Total Problems score, contrary to hypotheses (b = -0.80, 95% CI = -1.51, -0.08). Associations were notable in boys (b = -1.10, 95% CI = -2.11, -0.08) and among children breastfed 6+ months (b = -1.31, 95% CI = -2.25, -0.37), although there was no statistically significant evidence for interaction by child sex, breastfeeding, or neighborhood child opportunity. Associations were null for other PAH metabolites; there was no evidence of associations with PAH mixtures from WQSR. CONCLUSION In this large, well-characterized, prospective study of mother-child pairs, prenatal PAH exposure was not associated with child behavior problems. Future studies characterizing the magnitude of prenatal PAH exposure and studies in older childhood are needed.
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Affiliation(s)
- Erin R Wallace
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA.
| | - Erin Buth
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Adam A Szpiro
- Department of Biostatistics, School of Public Health, University of Washington, Seattle, WA, USA
| | - Yu Ni
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Christine T Loftus
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Erin Masterson
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Drew B Day
- Seattle Children's Research Institute, Seattle, WA, USA
| | - Bob Z Sun
- Department of Pediatrics, School of Medicine, University of Washington, Seattle, WA, USA
| | - Alexis Sullivan
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Emily Barrett
- Department of Biostatistics and Epidemiology, Environmental and Occupational Health Sciences Institute, School of Public Health, Rutgers University, Piscataway, NJ, USA
| | - Ruby Hn Nguyen
- Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
| | - Morgan Robinson
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10016, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10016, USA
| | - Alex Mason
- Department of Preventive Medicine, University of Tennessee Health Sciences Center, Memphis, TN, USA
| | - Sheela Sathyanarayana
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA; Seattle Children's Research Institute, Seattle, WA, USA; Department of Pediatrics, School of Medicine, University of Washington, Seattle, WA, USA
| | - Kaja Z LeWinn
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Nicole R Bush
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, San Francisco, San Francisco, California, USA; Department of Pediatrics, School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Catherine J Karr
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA; Department of Pediatrics, School of Medicine, University of Washington, Seattle, WA, USA; Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA, USA
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Xie C, Li X, Guo Z, Dong Y, Zhang S, Li A, Ma S, Xu J, Pang Q, Peijnenburg WJGM, Lynch I, Zhang P. Graphene oxide disruption of homeostasis and regeneration processes in freshwater planarian Dugesia japonica via intracellular redox deviation and apoptosis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114431. [PMID: 36521269 DOI: 10.1016/j.ecoenv.2022.114431] [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: 08/05/2022] [Revised: 11/01/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
The aquatic system is a major sink for engineered nanomaterials released into the environment. Here, we assessed the toxicity of graphene oxide (GO) using the freshwater planarian Dugesia japonica, an invertebrate model that has been widely used for studying the effects of toxins on tissue regeneration and neuronal development. GO not only impaired the growth of normal (homeostatic) worms, but also inhibited the regeneration processes of regenerating (amputated) worms, with LC10 values of 9.86 mg/L and 9.32 mg/L for the 48-h acute toxicity test, respectively. High concentration (200 mg/L) of GO killed all the worms after 3 (regenerating) or 4 (homeostasis) days of exposure. Whole-mount in situ hybridization (WISH) and immunofluorescence analyses suggest GO impaired stem cell proliferation and differentiation, and subsequently caused cell apoptosis and oxidative DNA damage during planarian regeneration. Mechanistic analysis suggests that GO disturbed the antioxidative system (enzymatic and non-enzymatic) and energy metabolism in the planarian at both molecular and genetic levels, thus causing reactive oxygen species (ROS) over accumulation and oxidative damage, including oxidative DNA damage, loss of mitochondrial membrane integrity, lack of energy supply for cell differentiation and proliferation leading to retardance of neuron regeneration. The intrinsic oxidative potential of GO contributes to the GO-induced toxicity in planarians. These data suggest that GO in aquatic systems can cause oxidative stress and neurotoxicity in planarians. Overall, regenerated tissues are more sensitive to GO toxicity than homeostatic ones, suggesting that careful handling and appropriate decisions are needed in the application of GO to achieve healing and tissue regeneration.
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Affiliation(s)
- Changjian Xie
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Xiaowei Li
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Zhiling Guo
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Yuling Dong
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shujing Zhang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Ao Li
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Shan Ma
- Zibo Environment Monitoring Center, Zibo 25500, Shandong, China
| | - Jianing Xu
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Qiuxiang Pang
- School of life Sciences and medicine, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Einsteinweg 2, 2333 CC Leiden, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven, the Netherlands
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Peng Zhang
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom; Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China.
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Goin DE, Abrahamsson D, Wang M, Jiang T, Park JS, Sirota M, Morello-Frosch R, DeMicco E, Zlatnik MG, Woodruff TJ. Disparities in chemical exposures among pregnant women and neonates by socioeconomic and demographic characteristics: A nontargeted approach. ENVIRONMENTAL RESEARCH 2022; 215:114158. [PMID: 36049512 PMCID: PMC10016233 DOI: 10.1016/j.envres.2022.114158] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 08/12/2022] [Accepted: 08/17/2022] [Indexed: 05/25/2023]
Abstract
BACKGROUND Exposure to environmental chemicals during pregnancy adversely affects maternal and infant health, and identifying socio-demographic differences in exposures can inform contributions to health inequities. METHODS We recruited 294 demographically diverse pregnant participants in San Francisco from the Mission Bay/Moffit Long (MB/ML) hospitals, which serve a primarily higher income population, and Zuckerberg San Francisco General Hospital (ZSFGH), which serves a lower income population. We collected maternal and cord sera, which we screened for 2420 unique formulas and their isomers using high-resolution mass spectrometry using LC-QTOF/MS. We assessed differences in chemical abundances across socioeconomic and demographic groups using linear regression adjusting for false discovery rate. RESULTS Our participants were racially diverse (31% Latinx, 16% Asian/Pacific Islander, 5% Black, 5% other or multi-race, and 43% white). A substantial portion experienced financial strain (28%) and food insecurity (20%) during pregnancy. We observed significant abundance differences in maternal (9 chemicals) and cord sera (39 chemicals) between participants who delivered at the MB/ML hospitals versus ZSFGH. Of the 39 chemical features differentially detected in cord blood, 18 were present in pesticides, one per- or poly-fluoroalkyl substance (PFAS), 21 in plasticizers, 24 in cosmetics, and 17 in pharmaceuticals; 4 chemical features had unknown sources. A chemical feature annotated as 2,4-dichlorophenol had higher abundances among Latinx compared to white participants, those delivering at ZSFGH compared to MB/ML, those with food insecurity, and those with financial strain. Post-hoc QTOF analyses indicated the chemical feature was either 2,4-dichlorophenol or 2,5-dichlorophenol, both of which have potential endocrine-disrupting effects. CONCLUSIONS Chemical exposures differed between delivery hospitals, likely due to underlying social conditions faced by populations served. Differential exposures to 2,4-dichlorophenol or 2,5-dichlorophenol may contribute to disparities in adverse outcomes.
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Affiliation(s)
- Dana E Goin
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA
| | - Dimitri Abrahamsson
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA
| | - Miaomiao Wang
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, CA, USA
| | - Ting Jiang
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, CA, USA
| | - June-Soo Park
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, CA, USA
| | - Marina Sirota
- Bakar Computational Health Sciences Institute and Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
| | - Rachel Morello-Frosch
- Department of Environmental Science, Policy and Management and School of Public Health, University of California Berkeley, Berkeley, CA, USA
| | - Erin DeMicco
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA
| | - Marya G Zlatnik
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA
| | - Tracey J Woodruff
- Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA.
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Clark J, Bulka CM, Martin CL, Roell K, Santos HP, O’Shea TM, Smeester L, Fry R, Dhingra R. Placental epigenetic gestational aging in relation to maternal sociodemographic factors and smoking among infants born extremely preterm: a descriptive study. Epigenetics 2022; 17:2389-2403. [PMID: 36134874 PMCID: PMC9665142 DOI: 10.1080/15592294.2022.2125717] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 08/30/2022] [Accepted: 09/05/2022] [Indexed: 11/03/2022] Open
Abstract
Social determinants of health (SDoH) are defined as the conditions in which people are born, grow, live, work, and age. The distribution of these conditions is influenced by underlying structural factors and may be linked to adverse pregnancy outcomes through epigenetic modifications of gestational tissues. A promising modification is epigenetic gestational age (eGA), which captures 'biological' age at birth. Measuring eGA in placenta, an organ critical for foetal development, may provide information about how SDoH 'get under the skin' during pregnancy to influence birth outcomes and ethnic/racial disparities. We examined relationships of placental eGA with sociodemographic factors, smoking, and two key clinical outcomes: Apgar scores and NICU length of stay. Using the Robust Placental Clock, we estimated eGA for placental samples from the Extremely Low Gestational Age Newborns cohort (N = 408). Regression modelling revealed smoking during pregnancy was associated with placental eGA acceleration (i.e., eGA higher than chronologic gestational age). This association differed by maternal race: among infants born to mothers racialized as Black, we observed greater eGA acceleration (+0.89 week, 95% CI: 0.38, 1.40) as compared to those racialized as white (+0.27 week, 95% CI: -0.06, 0.59). Placental eGA acceleration was also correlated with shorter NICU lengths of stay, but only among infants born to mothers racialized as Black (-0.08 d/week-eGA, 95% CI: -0.12, -0.05). Together, these observed associations suggest that interpretations of epigenetic gestational aging may be tissue-specific.
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Affiliation(s)
- Jeliyah Clark
- Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Catherine M. Bulka
- Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Chantel L. Martin
- Department of Epidemiology, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Kyle Roell
- Institute for Environmental Health Solutions, University of North Carolina, Chapel Hill, NC, USA
| | - Hudson P. Santos
- Institute for Environmental Health Solutions, University of North Carolina, Chapel Hill, NC, USA
- Biobehavioral Lab, School of Nursing, University of North Carolina, Chapel Hill, North Carolina, USA
| | - T. Michael O’Shea
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Lisa Smeester
- Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
- Institute for Environmental Health Solutions, University of North Carolina, Chapel Hill, NC, USA
| | - Rebecca Fry
- Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
- Institute for Environmental Health Solutions, University of North Carolina, Chapel Hill, NC, USA
- Curriculum in Toxicology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Radhika Dhingra
- Department of Environmental Sciences and Engineering, UNC Gillings School of Global Public Health, Chapel Hill, NC, USA
- Institute for Environmental Health Solutions, University of North Carolina, Chapel Hill, NC, USA
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Peterson AK, Habre R, Niu Z, Amin M, Yang T, Eckel SP, Farzan SF, Lurmann F, Pavlovic N, Grubbs BH, Walker D, Al-Marayati LA, Grant E, Lerner D, Bastain TM, Breton CV. Identifying pre-conception and pre-natal periods in which ambient air pollution exposure affects fetal growth in the predominately Hispanic MADRES cohort. Environ Health 2022; 21:115. [PMID: 36434705 PMCID: PMC9701016 DOI: 10.1186/s12940-022-00925-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 10/24/2022] [Indexed: 05/20/2023]
Abstract
BACKGROUND It is well documented that persons of color experience disproportionate exposure to environmental contaminants, including air pollution, and have poorer pregnancy outcomes. This study assessed the critical windows of exposure to ambient air pollution on in utero fetal growth among structurally marginalized populations in urban Los Angeles. METHODS Participants (N = 281) from the larger ongoing MADRES pregnancy cohort study were included in this analysis. Fetal growth outcomes were measured on average at 32 [Formula: see text] 2 weeks of gestation by a certified sonographer and included estimated fetal weight, abdominal circumference, head circumference, biparietal diameter and femur length. Daily ambient air pollutant concentrations were estimated for four pollutants (particulate matter less than 2.5 µm (PM2.5) and less than 10 µm (PM10) in aerodynamic diameter, nitrogen dioxide (NO2), and 8-h maximum ozone (O3)) at participant residences using inverse-distance squared spatial interpolation from ambient monitoring data. Weekly gestational averages were calculated from 12 weeks prior to conception to 32 weeks of gestation (44 total weeks), and their associations with growth outcomes were modeled using adjusted distributed lag models (DLMs). RESULTS Participants were on average 29 years [Formula: see text] 6 old and predominately Hispanic (82%). We identified a significant sensitive window of PM2.5 exposure (per IQR increase of 6 [Formula: see text]3) between gestational weeks 4-16 for lower estimated fetal weight [Formula: see text] averaged4-16 = -8.7 g; 95% CI -16.7, -0.8). Exposure to PM2.5 during gestational weeks 1-23 was also significantly associated with smaller fetal abdominal circumference ([Formula: see text] averaged1-23 = -0.6 mm; 95% CI -1.1, -0.2). Additionally, prenatal exposure to PM10 (per IQR increase of 13 [Formula: see text]3) between weeks 6-15 of pregnancy was significantly associated with smaller fetal abdominal circumference ([Formula: see text] averaged6-15 = -0.4 mm; 95% CI -0.8, -0.1). DISCUSSION These results suggest that exposure to particulate matter in early to mid-pregnancy, but not preconception or late pregnancy, may have critical implications on fetal growth.
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Affiliation(s)
- Alicia K Peterson
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Rima Habre
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Zhongzheng Niu
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Monica Amin
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Tingyu Yang
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Sandrah P Eckel
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Shohreh F Farzan
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Fred Lurmann
- Sonoma Technology Inc., Petaluma, CA, 94954, USA
| | | | - Brendan H Grubbs
- Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Daphne Walker
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Laila A Al-Marayati
- Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Edward Grant
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Deborah Lerner
- Eisner Health Medical Center, Los Angeles, CA, 90015, USA
| | - Theresa M Bastain
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA
| | - Carrie V Breton
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90032, USA.
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Maisterrena A, Matas E, Mirfendereski H, Balbous A, Marchand S, Jaber M. The State of the Dopaminergic and Glutamatergic Systems in the Valproic Acid Mouse Model of Autism Spectrum Disorder. Biomolecules 2022; 12:1691. [PMID: 36421705 PMCID: PMC9688008 DOI: 10.3390/biom12111691] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 08/23/2023] Open
Abstract
Autism Spectrum Disorder (ASD) is a progressive neurodevelopmental disorder mainly characterized by deficits in social communication and stereotyped behaviors and interests. Here, we aimed to investigate the state of several key players in the dopamine and glutamate neurotransmission systems in the valproic acid (VPA) animal model that was administered to E12.5 pregnant females as a single dose (450 mg/kg). We report no alterations in the number of mesencephalic dopamine neurons or in protein levels of tyrosine hydroxylase in either the striatum or the nucleus accumbens. In females prenatally exposed to VPA, levels of dopamine were slightly decreased while the ratio of DOPAC/dopamine was increased in the dorsal striatum, suggesting increased turn-over of dopamine tone. In turn, levels of D1 and D2 dopamine receptor mRNAs were increased in the nucleus accumbens of VPA mice suggesting upregulation of the corresponding receptors. We also report decreased protein levels of striatal parvalbumin and increased levels of p-mTOR in the cerebellum and the motor cortex of VPA mice. mRNA levels of mGluR1, mGluR4, and mGluR5 and the glutamate receptor subunits NR1, NR2A, and NR2B were not altered by VPA, nor were protein levels of NR1, NR2A, and NR2B and those of BDNF and TrkB. These findings are of interest as clinical trials aiming at the dopamine and glutamate systems are being considered.
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Affiliation(s)
- Alexandre Maisterrena
- Laboratoire de Neurosciences Expérimentales et Cliniques, Inserm, Université de Poitiers, 86000 Poitiers, France
| | - Emmanuel Matas
- Laboratoire de Neurosciences Expérimentales et Cliniques, Inserm, Université de Poitiers, 86000 Poitiers, France
| | - Helene Mirfendereski
- Pharmacologie des Agents Anti-Infectieux et Antibiorésistance, Inserm, Université de Poitiers, 86000 Poitiers, France
- CHU de Poitiers, 86000 Poitiers, France
| | - Anais Balbous
- Laboratoire de Neurosciences Expérimentales et Cliniques, Inserm, Université de Poitiers, 86000 Poitiers, France
- CHU de Poitiers, 86000 Poitiers, France
| | - Sandrine Marchand
- Pharmacologie des Agents Anti-Infectieux et Antibiorésistance, Inserm, Université de Poitiers, 86000 Poitiers, France
- CHU de Poitiers, 86000 Poitiers, France
| | - Mohamed Jaber
- Laboratoire de Neurosciences Expérimentales et Cliniques, Inserm, Université de Poitiers, 86000 Poitiers, France
- CHU de Poitiers, 86000 Poitiers, France
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Rivera BN, Ghetu CC, Chang Y, Truong L, Tanguay RL, Anderson KA, Tilton SC. Leveraging Multiple Data Streams for Prioritization of Mixtures for Hazard Characterization. TOXICS 2022; 10:651. [PMID: 36355943 PMCID: PMC9699527 DOI: 10.3390/toxics10110651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
There is a growing need to establish alternative approaches for mixture safety assessment of polycyclic aromatic hydrocarbons (PAHs). Due to limitations with current component-based approaches, and the lack of established methods for using whole mixtures, a promising alternative is to use sufficiently similar mixtures; although, an established framework is lacking. In this study, several approaches are explored to form sufficiently similar mixtures. Multiple data streams including environmental concentrations and empirically and predicted toxicity data for cancer and non-cancer endpoints were used to prioritize chemical components for mixture formations. Air samplers were analyzed for unsubstituted and alkylated PAHs. A synthetic mixture of identified PAHs was created (Creosote-Fire Mix). Existing toxicity values and chemical concentrations were incorporated to identify hazardous components in the Creosote-Fire Mix. Sufficiently similar mixtures of the Creosote-Fire Mix were formed based on (1) relative abundance; (2) toxicity values; and (3) a combination approach incorporating toxicity and abundance. Hazard characterization of these mixtures was performed using high-throughput screening in primary normal human bronchial epithelium (NHBE) and zebrafish. Differences in chemical composition and potency were observed between mixture formation approaches. The toxicity-based approach (Tox Mix) was the most potent mixture in both models. The combination approach (Weighted-Tox Mix) was determined to be the ideal approach due its ability to prioritize chemicals with high exposure and hazard potential.
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Affiliation(s)
| | | | | | | | | | | | - Susan C. Tilton
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
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Bagrowski B. Perspectives for the application of neurogenetic research in programming Neurorehabilitation. Mol Aspects Med 2022; 91:101149. [PMID: 36253186 DOI: 10.1016/j.mam.2022.101149] [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: 04/12/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022]
Abstract
Certain genetic variants underlie the proper functioning of the nervous system. They affect the nervous system in all aspects - molecular, systemic, cognitive, computational and sensorimotor. The greatest changes in the nervous system take place in the process of its maturation in the period of psychomotor development, as well as during neurorehabilitation, the task of which is to rebuild damaged neuronal pathways, e.g. by facilitating movement or training cognitive functions. Certain genetic polymorphisms affect the effectiveness of the processes of reconstruction or restoration of neural structures, which is clearly reflected in the effects of neurorehabilitation. This review presents the perspectives for the application of neurogenetic research in programming neurorehabilitation by determining the relationship of as many as 16 different genetic polymorphisms with specific functions of importance in rehabilitation. Thanks to this broad view, it may be possible to predict the effectiveness of rehabilitation on the basis of genetic testing, which would significantly contribute to the development of personalized medicine and to the optimal management of medical services in healthcare systems.
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Affiliation(s)
- Bartosz Bagrowski
- Poznan University of Medical Sciences, Department of Mother and Child Health, Department of Practical Training in Obstetrics, Poland; Gynecology and Obstetrics Clinical Hospital of Poznan University of Medical Sciences, Rehabilitation Center for Children, Poland.
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43
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Chen Y, Xiao L, Gao G, He L, Zhao K, Shang X, Liu C. 2, 5-dichloro-1, 4-benuinone exposure to zebrafish embryos/larvae causes neurodevelopmental toxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 243:114007. [PMID: 36030688 DOI: 10.1016/j.ecoenv.2022.114007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 08/13/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
2, 5-dichloro-1, 4-benuinone (2, 5-DCBQ) is an emerging disinfection by-product belonging to the class of halobenzoquinones (HBQs). However, there is limited evidence regarding the neurotoxic effects of 2, 5-DCBQ. To better understand the toxicological mechanisms of aquatic organisms, zebrafish embryos were exposed to 0.2 mg/L, 0.4 mg/L, and 0.6 mg/L of 2, 5-DCBQ from 4 h post-fertilization (hpf) to 120 hpf. Developmental defects, such as reduced body length, decreased heart rate, decreased pigmentation, and abnormal motor axon structure was observed. In particular, the locomotor activity of zebrafish larvae reduced with exposure to increasing 2, 5-DCBQ concentrations, and this effect was more pronounced under dark stimulation. The results indicated that the genes associated with neuronal development (gfap, mbp, syn2a, elavl3, ache, and a1-tubulin) were significantly downregulated after treatment with 2, 5-DCBQ. Furthermore, the KEGG result showed the neuroactive ligand-receptor interaction and apoptosis pathways were visibly disrupted, and we found acetylcholinesterase activity was also affected. In summary, the disinfection by-product, 2, 5-DCBQ, exhibits neurodevelopmental toxicity in zebrafish embryos, providing novel evidence for comprehensive analyses of its toxicity.
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Affiliation(s)
- Yuanyao Chen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430030, PR China
| | - Lin Xiao
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430030, PR China
| | - Guangyu Gao
- Tongji Medical College, Huazhong University of Science and Technology, Hubei 430030, PR China
| | - Liting He
- The Second People's Hospital of Guiyang, PR China
| | - Kai Zhao
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430030, PR China
| | - Xuejun Shang
- Department of Andrology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, PR China.
| | - Chunyan Liu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Hubei 430030, PR China.
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Figueroa-Garduño I, Escamilla-Núñez C, Barraza-Villarreal A, Hernández-Cadena L, Onofre-Pardo EN, Romieu I. Docosahexaenoic Acid Effect on Prenatal Exposure to Arsenic and Atopic Dermatitis in Mexican Preschoolers. Biol Trace Elem Res 2022; 201:3152-3161. [PMID: 36074245 DOI: 10.1007/s12011-022-03411-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 08/31/2022] [Indexed: 11/28/2022]
Abstract
Childhood atopic dermatitis (AD) is a chronic and recurrent health problem that involves multiple factors, particularly immunological and environmental. We evaluated the impact of docosahexaenoic acid (DHA) supplementation on prenatal arsenic exposure on the risk of atopic dermatitis in preschool children as part of the POSGRAD (Prenatal Omega-3 fatty acid Supplements, GRowth, And Development) clinical trial study in the city of Morelos, Mexico. Our study population included 300 healthy mother-child pairs. Of these, 146 were in the placebo group and 154 in the supplement group. Information on family history, health, and other variables was obtained through standardized questionnaires used during follow-up. Prenatal exposure to arsenic concentrations, which appear in maternal urine, was measured by inductively coupled plasma optical emission spectrometry. To assess the effect of prenatal arsenic exposure on AD risk, we ran a generalized estimating equation model for longitudinal data, adjusting for potential confounders, and testing for interaction by omega-3 fatty acid supplementation during pregnancy. The mean and SD (standard deviation) of arsenic concentration during pregnancy was 0.06 mg/L, SD (0.04 mg/L). We found a marginally significant association between prenatal arsenic exposure and AD (OR = 1.12, 95% CI: 0.99, 1.26); however, DHA supplementation during pregnancy modified the effect of arsenic on AD risk (p < 0.05). The results of this study strengthen the evidence that arsenic exposure during pregnancy increases the risk of atopic dermatitis early in life. However, supplementation with omega-e fatty acids during pregnancy could modify this association.
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Affiliation(s)
- Ivan Figueroa-Garduño
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Consuelo Escamilla-Núñez
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México.
| | - Albino Barraza-Villarreal
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Leticia Hernández-Cadena
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Erika Noelia Onofre-Pardo
- Departamento de Ingeniería en Sistemas Ambientales, Instituto Politécnico Nacional: Escuela Nacional de Ciencias Biológicas, Ciudad de Mexico, México
| | - Isabelle Romieu
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
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Maciejewski R, Radzikowska-Büchner E, Flieger W, Kulczycka K, Baj J, Forma A, Flieger J. An Overview of Essential Microelements and Common Metallic Nanoparticles and Their Effects on Male Fertility. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191711066. [PMID: 36078782 PMCID: PMC9518444 DOI: 10.3390/ijerph191711066] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 05/17/2023]
Abstract
Numerous factors affect reproduction, including stress, diet, obesity, the use of stimulants, or exposure to toxins, along with heavy elements (lead, silver, cadmium, uranium, vanadium, mercury, arsenic). Metals, like other xenotoxins, can cause infertility through, e.g., impairment of endocrine function and gametogenesis or excess production of reactive oxygen species (ROS). The advancement of nanotechnology has created another hazard to human safety through exposure to metals in the form of nanomaterials (NMs). Nanoparticles (NPs) exhibit a specific ability to penetrate cell membranes and biological barriers in the human body. These ultra-fine particles (<100 nm) can enter the human body through the respiratory tract, food, skin, injection, or implantation. Once absorbed, NPs are transported to various organs through the blood or lymph. Absorbed NPs, thanks to ultrahigh reactivity compared to bulk materials in microscale size, disrupt the homeostasis of the body as a result of interaction with biological molecules such as DNA, lipids, and proteins; interfering with the functioning of cells, organs, and physiological systems; and leading to severe pathological dysfunctions. Over the past decades, much research has been performed on the reproductive effects of essential trace elements. The research hypothesis that disturbances in the metabolism of trace elements are one of the many causes of infertility has been unquestionably confirmed. This review examines the complex reproductive risks for men regarding the exposure to potentially harmless xenobiotics based on a series of 298 articles over the past 30 years. The research was conducted using PubMed, Web of Science, and Scopus databases searching for papers devoted to in vivo and in vitro studies related to the influence of essential elements (iron, selenium, manganese, cobalt, zinc, copper, and molybdenum) and widely used metallic NPs on male reproduction potential.
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Affiliation(s)
| | | | - Wojciech Flieger
- Department of Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
| | - Kinga Kulczycka
- Institute of Health Sciences, John Paul II Catholic University of Lublin, 20-708 Lublin, Poland
| | - Jacek Baj
- Department of Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
| | - Alicja Forma
- Department of Forensic Medicine, Medical University of Lublin, ul. Jaczewskiego 8B, 20-090 Lublin, Poland
| | - Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-81448-7182
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León I, Herrero Roldán S, Rodrigo MJ, López Rodríguez M, Fisher J, Mitchell C, Lage-Castellanos A. The shared mother-child epigenetic signature of neglect is related to maternal adverse events. Front Physiol 2022; 13:966740. [PMID: 36091392 PMCID: PMC9448913 DOI: 10.3389/fphys.2022.966740] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 07/13/2022] [Indexed: 11/13/2022] Open
Abstract
Studies of DNA methylation have revealed the biological mechanisms by which life adversity confers risk for later physical and mental health problems. What remains unknown is the “biologically embedding” of maternal adverse experiences resulting in maladaptive parenting and whether these epigenetic effects are transmitted to the next generation. This study focuses on neglectful mothering indexed by a severe disregard for the basic and psychological needs of the child. Using the Illumina Human Methylation EPIC BeadChip in saliva samples, we identified genes with differentially methylated regions (DMRs) in those mothers with (n = 51), versus those without (n = 87), neglectful behavior that present similar DMRs patterns in their children being neglected versus non-neglected (n = 40 vs. 75). Mothers reported the emotional intensity of adverse life events. After covariate adjustment and multiple testing corrections, we identified 69 DMRs in the mother epigenome and 42 DMRs in the child epigenome that were simultaneously above the α = 0.01 threshold. The common set of nine DMRs contained genes related to childhood adversity, neonatal and infant diabetes, child neurobehavioral development and other health problems such as obesity, hypertension, cancer, posttraumatic stress, and the Alzheimer’s disease; four of the genes were associated with maternal life adversity. Identifying a shared epigenetic signature of neglect linked to maternal life adversity is an essential step in breaking the intergenerational transmission of one of the most common forms of childhood maltreatment.
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Affiliation(s)
- Inmaculada León
- Instituto Universitario de Neurociencia, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
- Facultad de Psicología, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
| | - Silvia Herrero Roldán
- Instituto Universitario de Neurociencia, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
- Facultad de Psicología, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
- *Correspondence: Silvia Herrero Roldán,
| | - María José Rodrigo
- Instituto Universitario de Neurociencia, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
- Facultad de Psicología, Universidad de La Laguna, San Cristóbal de la Laguna, Spain
| | - Maykel López Rodríguez
- Department of Pathology and Experimental Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA, United States
| | - Jonah Fisher
- Institute for Social Research, University of Michigan, Ann Abor, MI, United States
| | - Colter Mitchell
- Institute for Social Research, University of Michigan, Ann Abor, MI, United States
| | - Agustín Lage-Castellanos
- Department of NeuroInformatics, Cuban Center for Neuroscience, Havana, Cuba
- Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands
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47
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Acebedo AR, Alcantara MC, Nakanishi T, Ogawa T, Yamada G, Suzuki K. Exposure to the organophosphate pesticide fenitrothion directly induced defects in mouse embryonic external genitalia. Toxicol Sci 2022; 190:13-22. [PMID: 35951760 DOI: 10.1093/toxsci/kfac085] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Many industrial chemicals have been reported as anti-androgenic substances. Exposure to these substances represents a potential risk to human health, particularly to the development of reproductive organs such as embryonic external genitalia (eExG). Currently, there is a need for more assay systems that can elucidate the toxicological actions and mechanisms of endocrine disrupting chemicals (EDCs). In this study, we show that the eExG slice culture assay is useful for the evaluation of the differing modes of action of EDCs on urethra formation. We assessed the possible endocrine disrupting activity of three chemicals with reported anti-androgenic function, diazinon (DZN), dibutyl phthalate (DBP) and fenitrothion (FNT) on eExG slices. Exposure to FNT, but not DZN and DBP, induced defects of androgen-induced urethral masculinization and reduced expression of the androgen-target gene Mafb. Live imaging analyses showed that FNT treatment inhibited androgen-dependent MAFB induction within 12 hours. Furthermore, FNT-treated tissue slices showed reduced expression of the androgen receptor (AR). These results indicate that FNT disrupts androgen signaling by reduction of AR expression during androgen-induced eExG masculinization. The current study thus highlights the importance of animal models which allow for the effective assessment of tissue-specific endocrine-disrupting activity to further reveal the etiology of chemical-induced congenital anomalies.
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Affiliation(s)
- Alvin R Acebedo
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama 641-8509, Japan
| | - Mellissa C Alcantara
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama 641-8509, Japan
| | - Tsuyoshi Nakanishi
- Laboratory of Hygienic Chemistry and Molecular Toxicology, Gifu Pharmaceutical University, Gifu 501-1196, Japan
| | - Takehiko Ogawa
- Department of Regenerative Medicine, Graduate School of Medicine, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-0004, Japan
| | - Gen Yamada
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama 641-8509, Japan
| | - Kentaro Suzuki
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama 641-8509, Japan
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Simanek AM, Manansala R, Woo JMP, Meier HCS, Needham BL, Auer PL. Prenatal Socioeconomic Disadvantage and Epigenetic Alterations at Birth Among Children Born to White British and Pakistani Mothers in the Born in Bradford Study. Epigenetics 2022; 17:1976-1990. [PMID: 35837690 DOI: 10.1080/15592294.2022.2098569] [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: 11/03/2022] Open
Abstract
Prenatal socioeconomic disadvantage (SD) has been linked to DNA methylation (DNAm) in adulthood, but whether such epigenetic alterations are present at birth remains unclear. We carried out an epigenome-wide analysis of the association between several measures of individual- and area-level prenatal SD and DNAm assessed in neonatal cord blood via the Infinium EpicBeadChip among offspring born to mothers of White British (N = 455) and Pakistani (N = 493) origin in the Born in Bradford Study. Models were adjusted for mother's age, ethnicity, and education level as well as cell-type fractions and then for maternal health behaviours and neonate characteristics, and last, stratified by mother's ethnicity. P-values were corrected for multiple testing and a permutation-based approach was used to account for small cell sizes. Among all children, housing tenure (owning versus renting) as well as father's occupation (manual versus non-manual) were each associated with DNAm of one CpG site and index of multiple deprivation (IMD) was associated with DNAm of 11 CpG sites. Among children born to White British mothers, father's occupation (student or unemployed versus non-manual) was associated with DNAm of 1 CpG site and IMD with DNAm of 3 CpG sites. Among children born to Pakistani mothers, IMD was associated with DNAm of 1 CpG site. Associations were largely unchanged after further adjustment for maternal health behaviours or neonate characteristics and remained statistically significant. Our findings suggest that individual- and area-level prenatal SD may shape alterations to the neonatal epigenome, but associations vary across ethnic groups.
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Affiliation(s)
- Amanda M Simanek
- University of Wisconsin-Milwaukee Joseph J. Zilber School of Public Health, Milwaukee, WI, USA
| | - Regina Manansala
- Centre for Health Economics Research & Modelling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO) WHO Collaborating Centre, University of Antwerp, Antwerp, Belgium
| | - Jennifer M P Woo
- University of Wisconsin-Milwaukee Joseph J. Zilber School of Public Health, Milwaukee, WI, USA.,Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, USA
| | - Helen C S Meier
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Belinda L Needham
- Department of Epidemiology, University of Michigan-School of Public Health, Ann Arbor, MI, USA
| | - Paul L Auer
- Division of Biostatistics and Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
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The Cardiovascular Disease (CVD) Risk Continuum from Prenatal Life to Adulthood: A Literature Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19148282. [PMID: 35886134 PMCID: PMC9317926 DOI: 10.3390/ijerph19148282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 02/06/2023]
Abstract
The risk of developing cardiovascular diseases (CVDs) arises from the interaction of prenatal factors; epigenetic regulation; neonatal factors; and factors that affect childhood and adolescence, such as early adiposity rebound (AR) and social and environmental influences. Thus, CVD risk varies between the group of low-risk metabolically healthy normal-weight subjects (MHNW); the intermediate-risk group, which includes metabolically healthy obese (MHO) and metabolically unhealthy normal-weight subjects (MUHNW); and the high-risk group of metabolically unhealthy obese (MUHO) subjects. In this continuum, several risk factors come into play and contribute to endothelial damage, vascular and myocardial remodeling, and atherosclerotic processes. These pathologies can occur both in prenatal life and in early childhood and contribute to significantly increasing CVD risk in young adults over time. Early intervention in the pediatric MUHO population to reduce the CVD risk during adulthood remains a challenge. In this review, we focus on CVD risk factors arising at different stages of life by performing a search of the recent literature. It is urgent to focus on preventive or early therapeutic strategies to stop this disturbing negative metabolic trend, which manifests as a continuum from prenatal life to adulthood.
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High Iron Exposure from the Fetal Stage to Adulthood in Mice Alters Lipid Metabolism. Nutrients 2022; 14:nu14122451. [PMID: 35745181 PMCID: PMC9227341 DOI: 10.3390/nu14122451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/02/2022] [Accepted: 06/07/2022] [Indexed: 12/11/2022] Open
Abstract
Iron supplementation is recommended during pregnancy and fetal growth. However, excess iron exposure may increase the risk of abnormal fetal development. We investigated the potential side effects of high iron levels in fetuses and through their adult life. C57BL/6J pregnant mice from 2 weeks of gestation and their offspring until 30 weeks were fed a control (CTRL, FeSO4 0 g/1 kg) or high iron (HFe, FeSO4 9.9 g/1 kg) diets. HFe group showed higher iron accumulation in the liver with increased hepcidin, reduced TfR1/2 mRNAs, and lowered ferritin heavy chain (FTH) proteins in both liver and adipose tissues despite iron loading. HFe decreased body weight, fat weight, adipocyte size, and triglyceride levels in the blood and fat, along with downregulation of lipogenesis genes, including PPARγ, C/EBPα, SREBP1c, FASN, and SCD1, and fatty acid uptake and oxidation genes, such as CD36 and PPARα. UCP2, adiponectin, and mRNA levels of antioxidant genes such as GPX4, HO-1, and NQO1 were increased in the HFe group, while total glutathione was reduced. We conclude that prolonged exposure to high iron from the fetal stage to adulthood may decrease fat accumulation by altering ferritin expression, adipocyte differentiation, and triglyceride metabolism, resulting in an alteration in normal growth.
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