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Fang X, Xie Y, Cao S, Liu J, Shi Y, Yu L, Zheng T, Liu H, Li Y, Xu S, Xia W. Associations between maternal urinary rare earth elements during pregnancy and birth weight-for-gestational age: Roles of cord blood vitamin D levels. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169222. [PMID: 38081430 DOI: 10.1016/j.scitotenv.2023.169222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 11/25/2023] [Accepted: 12/06/2023] [Indexed: 12/17/2023]
Abstract
Prenatal exposure to rare earth elements (REEs) may contribute to adverse birth outcomes in previous studies. Cord blood vitamin D has been suggested to modify or mediate the effects of environmental exposures. However, none has investigated these roles of cord blood vitamin D in the associations of prenatal exposure to REEs with fetal growth. Maternal trimester-specific urinary concentrations of 13 REEs, cord blood total 25-hydroxyvitamin D at delivery, and birth weight (BW)-for-gestational age (GA) were determined in 710 mother-newborn pairs from Wuhan, China. Higher maternal average urinary concentrations of europium (Eu), gadolinium (Gd), dysprosium (Dy), holmium (Ho), erbium (Er), and ytterbium (Yb) across three trimesters, either individually or jointly, were significantly associated with lower BW-for-GA Z-scores and higher odds of small for gestational age (SGA) [β = -0.092; 95 % confidence interval (CI): -0.149, -0.035 for BW-for-GA Z-scores, and odds ratio = 1.60; 95 % CI: 1.14, 2.24 for SGA involved in each unit increase in weighted quantile sum index of REEs mixture]. When stratified by cord blood vitamin D levels, the associations mentioned above persisted in participants with relatively low vitamin D levels (<13.94 μg/L, the first tertile of distribution), but not among those with relatively high levels (≥13.94 μg/L) (all p-values for interaction < 0.05). The mediation analyses taking account of exposure-mediator interaction showed that the relationships between REEs (as individual and mixture) exposure and lower BW-for-GA were partly mediated through decreasing cord blood vitamin D levels. The proportions mediated by cord blood vitamin D levels were 24.48 % for BW-for-GA Z-scores and 29.05 % for SGA corresponding to the REEs mixture exposure. Conclusively, our study revealed that prenatal exposures to Eu, Gd, Dy, Ho, Er, and Yb were related to fetal growth restriction. Cord blood vitamin D might alleviate toxic effects of these REEs and its reduction might partly mediate REE-induced fetal growth restriction.
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Affiliation(s)
- Xingjie Fang
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ya Xie
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shuting Cao
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jiangtao Liu
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yujie Shi
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ling Yu
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Tongzhang Zheng
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI 02912, United States
| | - Hongxiu Liu
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shunqing Xu
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Wei Xia
- Key Laboratory of Environment and Health, Ministry of Education, Ministry of Environmental Protection, State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Chen J, Wang A, An H, Han W, Huang J, Zheng W, Yan L, Li Z, Li G. Association between light rare earth elements in maternal plasma and the risk of spontaneous preterm birth: a nested case-control study from the Beijing birth cohort study. Environ Health 2023; 22:73. [PMID: 37872585 PMCID: PMC10591387 DOI: 10.1186/s12940-023-01027-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023]
Abstract
BACKGROUND Parental exposure to rare earth elements (REEs) could increase the risk of premature rupture of membranes, a major cause of spontaneous preterm birth (SPB). In addition, different subtypes of SPB, such as spontaneous preterm labor (SPL) and preterm premature rupture of membranes (PPROM), may have different susceptibility to environmental exposure. Therefore, we investigated the potential associations between REE exposure in different trimesters and SPB and its subtypes. METHODS A nested case-control study was performed. We included 244 women with SPB as cases and 244 women with full-term delivery as controls. The plasma concentrations of light REEs were measured in the first and third trimesters. Logistic regression was used to analyze the associations between single REE levels and SPB, and Bayesian kernel machine regression (BKMR) was used to analyze the mixed-exposure effect. RESULTS Exposure to light REEs was associated with SPB and its subtypes only in the third trimester. Specifically, the intermediate- and highest-tertile concentration groups of La and the highest-tertile concentration group of Sm were associated with an increased risk of SPL, with adjusted odds ratios (AORs) of 2.00 (95% CIs: 1.07-3.75), 1.87 (95% CIs: 1.01-3.44), and 1.82 (95% CIs: 1.00-3.30), respectively. The highest-tertile concentration group of Pr was associated with an increased risk of PPROM, with an AOR of 1.69 (95% CIs: 1.00-2.85). Similar results were also found in BKMR models. CONCLUSIONS La and Sm levels in plasma may be associated with the risk of SPL, and Pr levels in plasma may be associated with the risk of PPROM.
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Affiliation(s)
- Junxi Chen
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, 100191, PR China
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, PR China
| | - Aili Wang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026, PR China
- Beijing Luhe Hospital, Capital Medical University, Beijing, 101100, PR China
| | - Hang An
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, 100191, PR China
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, PR China
| | - Weiling Han
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026, PR China
| | - Junhua Huang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026, PR China
| | - Wei Zheng
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026, PR China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing, 100191, PR China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, 100191, PR China.
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, PR China.
| | - Guanghui Li
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026, PR China.
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Ballbè M, Fu M, Masana G, Pérez-Ortuño R, Gual A, Gil F, Olmedo P, García-Algar Ó, Pascual JA, Fernández E. Passive exposure to electronic cigarette aerosol in pregnancy: A case study of a family. ENVIRONMENTAL RESEARCH 2023; 216:114490. [PMID: 36220444 DOI: 10.1016/j.envres.2022.114490] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/20/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Passive exposure to the aerosols of electronic cigarettes (e-cigarettes) has been little studied. We assessed this exposure in late pregnancy in a woman and her 3-year-old child, exposed through e-cigarette use by another household member. METHODS This prospective longitudinal case study involved a family unit consisting of an e-cigarette user, a pregnant woman who delivered an infant during the study, and the couple's older 3-year-old son. At 31, 36, and 40 weeks of the pregnancy, we measured biomarkers (nicotine metabolites, tobacco-specific nitrosamines, propanediols, glycerol, and metals) in the urine and hair of all three participants and in the saliva of the adults, in cord blood at delivery, and in the breast milk at the postpartum period. RESULTS Samples from the e-cigarette user showed quantifiable concentrations of all analytes assessed (maximum urinary cotinine concentration, 4.9 ng/mL). Among samples taken from the mother, nicotine and its metabolites were found mainly in urine and also in saliva and hair, but not in cord blood. During the postpartum period, we found cotinine concentrations of 2.2 ng/mL in the mother's urine and 0.22 ng/mL in breast milk; 1,2-propanediol was generally detected in urine and saliva, but not in cord blood or breast milk. The maximum urinary cotinine concentration in the 3-year-old child was 2.6 ng/mL and propanediols also were detected in his urine. Nitrosamines were not detected in samples taken from the mother or the 3-year-old. Metals found in the refill liquid were detected at low levels in both the mother and the 3-year-old. CONCLUSIONS We detected low but not negligible concentrations of e-cigarette-related analytes (including cord blood and breast milk) in an exposed pregnant non-user and in a 3-year-old child also living in the home. Passive exposure to e-cigarette aerosols cannot be disregarded and should be assessed in larger observational studies.
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Affiliation(s)
- Montse Ballbè
- Tobacco Control Unit, Cancer Control and Prevention Program, WHO Collaborating Center for Tobacco Control, Institut Català d'Oncologia (ICO), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; Tobacco Control Research Group, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; CIBER of Respirarory Diseases (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; Addictions Unit, Psychiatry Department, Institute of Neurosciences, Hospital Clínic de Barcelona, C. Villarroel 170, 08036, Barcelona, Spain.
| | - Marcela Fu
- Tobacco Control Unit, Cancer Control and Prevention Program, WHO Collaborating Center for Tobacco Control, Institut Català d'Oncologia (ICO), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; Tobacco Control Research Group, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; CIBER of Respirarory Diseases (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; School of Medicine and Health Sciences, Universitat de Barcelona, C. Feixa Llarga s/n, 08907, L'Hospitalet de Llobregat (Barcelona), Spain.
| | - Guillem Masana
- Barcelona Clinic Schizophrenia Unit, Department of Psychiatry and Psychology, Institute of Neurosciences, Hospital Clínic de Barcelona, C. Villarroel 170, 08036, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBER of Mental Health (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.
| | - Raúl Pérez-Ortuño
- Group of Integrative Pharmacology and Systems Neuroscience, Neurosciences Programme, IMIM (Hospital del Mar Medical Research Institute), Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain.
| | - Antoni Gual
- Grup de Recerca en Addiccions Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Fernando Gil
- Department of Legal Medicine and Toxicology, School of Medicine, Universidad de Granada, Granada, Spain.
| | - Pablo Olmedo
- Department of Legal Medicine and Toxicology, School of Medicine, Universidad de Granada, Granada, Spain.
| | - Óscar García-Algar
- Neonatology Unit, ICGON, Hospital Clínic-Maternitat, BCNatal, Barcelona, Spain.
| | - Jose Antonio Pascual
- Group of Integrative Pharmacology and Systems Neuroscience, Neurosciences Programme, IMIM (Hospital del Mar Medical Research Institute), Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain; Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona Biomedical Research Park, Barcelona, Spain.
| | - Esteve Fernández
- Tobacco Control Unit, Cancer Control and Prevention Program, WHO Collaborating Center for Tobacco Control, Institut Català d'Oncologia (ICO), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; Tobacco Control Research Group, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Av. Gran Via de l'Hospitalet 199-203, 08908, L'Hospitalet de Llobregat (Barcelona), Spain; CIBER of Respirarory Diseases (CIBERES), Instituto de Salud Carlos III, Madrid, Spain; School of Medicine and Health Sciences, Universitat de Barcelona, C. Feixa Llarga s/n, 08907, L'Hospitalet de Llobregat (Barcelona), Spain.
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Dahiri B, Martín-Carrasco I, Carbonero-Aguilar P, Cerrillos L, Ostos R, Fernández-Palacín A, Bautista J, Moreno I. Monitoring of metals and metalloids from maternal and cord blood samples in a population from Seville (Spain). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 854:158687. [PMID: 36099946 DOI: 10.1016/j.scitotenv.2022.158687] [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: 06/23/2022] [Revised: 08/21/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Nowadays there is an increasing concern about exposition during prenatal stage to environmental pollutants such as metals, that make pregnant women a vulnerable group of population. Numerous studies have shown associations between the prenatal exposition to some metals and an impact on cognitive, motor and intellectual development of the child. Metals and metalloid are ubiquitous in the environment and pregnant women are exposed to them though their diet, lifestyle factors or occupational and environmental sources. One hundred of maternal and one hundred of cord blood samples were obtained at delivery from pregnant women after signing of the informed consent to determine simultaneously levels of Al, As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, Se and Zn by ICP-MS. Among these metals, essential ones (Cu, Mn, Se and Zn) can have health beneficial effects at low levels, however, in high concentration are potentially toxic. On the other hand, elements such as Al, As, Cd, Hg, Pb are classified as toxic metals, no matter what its concentration was. The aim of this study was to find the potential relationships between these metals and metalloid levels, newborn's parameters, pregnancy details and the epidemiologic information obtained using a questionnaire data from the participant pregnant women from Seville (Spain). A n = 100 of participants have been enrolled, 15.6 % of the women from Virgen del Rocio Hospital were smokers during pregnancy but only 11.1 % from Virgen de Valme had the habit. Dietary habits of all participants from both hospital were quite similar in average rice, fish and canned food consumption. The characteristics of newborns were also quite similar for both hospitals. A positive correlation between maternal and cord blood was found between all metals except for Cr and Cu. The strongest correlation was found for Hg (r = 0.779, p < 0.005). Positive but weaker correlations between maternal blood and lifestyle habits were also established.
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Affiliation(s)
- Bouchra Dahiri
- Area of Toxicology, Department of Nutrition and Bromatology, Toxicology and Legal Medicine, Faculty of Pharmacy, University of Sevilla, 41012 Sevilla, Spain
| | - Irene Martín-Carrasco
- Area of Toxicology, Department of Nutrition and Bromatology, Toxicology and Legal Medicine, Faculty of Pharmacy, University of Sevilla, 41012 Sevilla, Spain.
| | - Pilar Carbonero-Aguilar
- Area of Toxicology, Department of Nutrition and Bromatology, Toxicology and Legal Medicine, Faculty of Pharmacy, University of Sevilla, 41012 Sevilla, Spain.
| | - Lucas Cerrillos
- Department of Genetics, Reproduction and Fetal Medicine, Hospital Universitario Virgen del Rocío, Avda. Manuel Siurot, 41013 Sevilla, Spain.
| | - Rosa Ostos
- Department of Gynaecology and Obstretrics, Hospital Universitario Virgen de Valme, Ctra. de Cádiz, 41014 Sevilla, Spain.
| | - Ana Fernández-Palacín
- Area of Preventive Medicine and Public Health, Facultad de Medicina, Avda. Dr. Fedriani, s/n, 41009 Sevilla, Spain.
| | - Juan Bautista
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Sevilla, 41012 Sevilla, Spain.
| | - Isabel Moreno
- Area of Toxicology, Department of Nutrition and Bromatology, Toxicology and Legal Medicine, Faculty of Pharmacy, University of Sevilla, 41012 Sevilla, Spain.
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