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de Melo NC, Sampaio E Souza PC, Marques RC, Bernardi JVE, Bastos WR, Cunha MPL. Environmental exposure to metal(loid)s and hypertensive disorders of pregnancy: A systematic review. ENVIRONMENTAL RESEARCH 2024; 257:119391. [PMID: 38857855 DOI: 10.1016/j.envres.2024.119391] [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: 01/03/2024] [Revised: 05/27/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024]
Abstract
BACKGROUND Environmental exposure to metal(loid)s has been associated with adverse effects on human health, but the systemic repercussion of these elements on the development of hypertensive disorders of pregnancy (HDP) is still poorly understood. OBJECTIVE To summarize evidence published about the influence of environmental exposure to aluminum, arsenic, barium, cadmium, lead, strontium and mercury on the development of HDP. METHODS We conducted a systematic literature review according to the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. The search strategy was validated by the Peer Review of Electronic Search Strategies. We searched for articles published up to February 2023 in seven databases without language restriction. Two researchers conducted the steps for selection, data extraction and evaluation of the methodological quality of the instruments for epidemiological studies of the Joanna Briggs Institute. Any disagreements were resolved by a third researcher. RESULTS We obtained 5076 records, of which 37 articles met the inclusion criteria moderate to high methodological quality. Single exposure to metal(loid)s was predominant, and the leading biological matrix analyzed to detect the concentrations from exposure was maternal blood. Lead was the metal investigated the most, and had the largest number of studies showing positive association with HDP. In relation to the other metal(loid)s, higher levels were found in women with HDP in comparison with healthy women, but the finding of a cause-effect relationship was inconsistent. CONCLUSIONS Although we found evidence of harmful effects of the metal(loid)s studied on human health, the results were inconclusive with regard to HDP. Longitudinal studies that consider prospective investigation, adjustment of confounding factors and the interference of other contaminants in the exacerbation of oxidative stress in women from the preconception phase to the puerperal period should be encouraged.
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Affiliation(s)
- Nayra Carla de Melo
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil.
| | - Priscilla Cristovam Sampaio E Souza
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil
| | - Rejane Correa Marques
- Postgraduate Program in Environmental Sciences and Conservation, Federal University of Rio de Janeiro Janeiro (UFRJ), Macaé, Rio de Janeiro, 27965-045, Brazil
| | - José Vicente Elias Bernardi
- Geostatistics and Geodesy Laboratory, UnB Planaltina College, University of Brasília, Planaltina, Federal District, 73345-010, Brazil
| | - Wanderley Rodrigues Bastos
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil
| | - Mônica Pereira Lima Cunha
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil
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Rouzi L, El-Hamri H, Cherkani-Hassani A, Benbounou N, El Kari K, Bouhya S, Aguenaou H, Jouhadi Z, Fekhaoui M. Lead in umbilical cord blood and associated factors in Casablanca Morocco: A preliminary results. J Trace Elem Med Biol 2024; 85:127494. [PMID: 39024849 DOI: 10.1016/j.jtemb.2024.127494] [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: 03/13/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/20/2024]
Abstract
BACKGROUND Lead is the most common toxic metal to which Moroccans are exposed. Given the susceptibility of the fetus to lead, it is crucial to assess prenatal lead exposure. However, in Morocco, no study has assessed prenatal exposure to lead. The main goals of the present study are to determine lead concentration in umbilical cord blood and identify risk factors for prenatal lead exposure in Casablanca, Morocco. METHODS To achieve these purposes, 87 cord blood lead samples were collected from mothers-baby pairs from January to December 2019. Indeed, a structured questionnaire was used to collect socio-demographic characteristics, obstetric data, leisure, cultural habits, and environmental information. Cord blood lead level was analyzed by inductively coupled plasma-mass spectrometry. RESULTS The median lead concentration was 4.902 µg/dl with a minimum and maximum of 0.833 µg/dl and 23.593 µg/dl, respectively. A high proportion of the newborns (65.52 %) had cord blood lead levels above the Centers for Disease Control (CDC) allowable threshold limit (3.5 µg/dl). Statistical analysis was performed to assess the association between blood levels and the above factors. Lead levels in cord blood were significantly associated with the maternal educational level, anemia history, delivery mode, passive smoking during pregnancy as well as with the frequency of consumption of tea. CONCLUSION This study provides the first data on lead levels in newborns. Cord blood lead levels were high in the majority of the participants, these results reinforce the need to establish health surveillance programs in Morocco.
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Affiliation(s)
- Latifa Rouzi
- Department of Zoology and Animal Ecology, Scientific Institute, Mohammed V University in Rabat, B.P. 1040, Ibn Battuta Av, Rabat 10100, Morocco.
| | | | - Abha Cherkani-Hassani
- Laboratory of Analytical Chemistry, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, 10100, Morocco
| | - Nadia Benbounou
- Laboratory LIMAT, Hassan II University, B.P 7955, Casablanca, Morocco; The Multi laboratory LC2A, N°182, Industrial Zone Mohammedia, Morocco
| | | | - Said Bouhya
- Department of Maternity, Children's Ibn Rochd University Hospital, Hassan II University, Casablanca, Morocco
| | - Hassan Aguenaou
- Ibn Tofail University- CNESTEN, Joint, Unit of Nutrition, Health and Environment, Laboratory of Biology and Health, FSK, Regional Designated Center for Nutrition, AFRA/IAEA), Kenitra 14000, Morocco
| | - Zineb Jouhadi
- Department of Pediatric Infectious Diseases, Children's Ibn Rochd University Hospital, Hassan II University, Casablanca, Morocco
| | - Mohammed Fekhaoui
- Department of Zoology and Animal Ecology, Scientific Institute, Mohammed V University in Rabat, B.P. 1040, Ibn Battuta Av, Rabat 10100, Morocco
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Wu A, Li J, Yuan J, Zhang N, Zhang Y, Li M, Zhu T. Association of Blood Manganese and Preeclampsia: A Systematic Review and Meta-analysis. Biol Trace Elem Res 2024; 202:1843-1855. [PMID: 37612487 DOI: 10.1007/s12011-023-03796-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 07/27/2023] [Indexed: 08/25/2023]
Abstract
A systematic review and meta-analysis was performed to comprehensively evaluate the association between manganese (Mn) level and preeclampsia (PE) during pregnancy. Relevant observational studies were retrieved by searching Medline, Web of Science, Embase, and Cochrane Library from database inception to May 25, 2023. Pooling results was performed using a random-effects model incorporating heterogeneity. This meta-analysis incorporated 18 observational studies, which included 1113 women with PE and 5480 normotensive pregnant women. Pooled results showed that compared to normotensive control, women with PE had significantly lower blood Mn concentration (standardized mean difference: -0.36, 95% confidence interval: -0.50 to -0.22, p < 0.001; I2 = 67%). Subgroup analysis showed that the results were not significantly affected by study country (African, Asian, or Western), timing of blood sampling (before, at, or after the diagnosis of PE), mean blood Mn level of controls, or numbers of confounding factors adjusted (p for subgroup analysis all > 0.05), while methods for measuring blood Mn levels might affect the results (p for subgroup difference < 0.001). Finally, pooled results of three studies showed that a high level of blood Mn was related to a low risk of PE with blood Mn analyzed in continuous (risk ratio [RR]: 0.71, 95% CI: 0.59 to 0.85, p < 0.001; I2 = 0%) and categorized variables (RR: 0.50, 95% CI: 0.30 to 0.82, p = 0.006; I2 = 32%). In conclusion, a low blood level of Mn may be associated with PE in pregnant women.
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Affiliation(s)
- Aifang Wu
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China
| | - Jingna Li
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China
| | - Jing Yuan
- Department of Medical Information, The 960th Hospital of the People's Liberation Army of China, Jinan, 250031, China
| | - Ningning Zhang
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China
| | - Ying Zhang
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China
| | - Min Li
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China
| | - Tongyu Zhu
- Department of Gynecology and Obstetrics, The 960th Hospital of the People's Liberation Army of China, 25 Shifan Road, Jinan, 250031, China.
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Li C, Luo J, Yang Y, Wang Q, Zheng Y, Zhong Z. The relationship between cadmium exposure and preeclampsia: a systematic review and meta-analysis. Front Med (Lausanne) 2023; 10:1259680. [PMID: 38105903 PMCID: PMC10722428 DOI: 10.3389/fmed.2023.1259680] [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: 07/18/2023] [Accepted: 11/15/2023] [Indexed: 12/19/2023] Open
Abstract
Background Cadmium (Cd) is a heavy metal associated with several human disorders. Preeclampsia is a major cause of maternal mortality worldwide. The association between maternal Cd exposure and preeclampsia remains elusive. Methods To better understand this relationship, we conducted a systematic review and meta-analysis of eligible studies from five databases (PubMed, Embase, Web of Science, Scopus, and CNKI) from their inception to September 10, 2022. The quality of these studies was evaluated using the Newcastle-Ottawa quality assessment scale (NOS). We use random-effects models to calculate overall standardized mean differences (SMDs) and 95% confidence intervals (CIs). Sensitivity analyses were performed to assess the robustness of our results. We also evaluated publication bias using Egger's and Begg's tests. Additionally, we conducted meta-regression and sub-group analyses to identify potential sources of heterogeneity between studies. Results Our analysis included a total of 17 studies with 10,373 participants. We found a significant association between maternal cadmium exposure and the risk of preeclampsia (SMD 0.27, 95% CI 0.09-0.44, p < 0.01). No significant publication bias was detected in Begg's or Egger's tests. Meta-regression suggested that geographical location, year of publication, cadmium samples, sample size, and measurement methods did not contribute to heterogeneity between studies. Conclusion Our findings suggest that maternal blood cadmium levels are associated with an increased risk of preeclampsia. In contrast, the pregnant women's urine or placental levels of cadmium may not suggest preeclamptic risk during pregnancy. Further high-quality clinical studies and animal experiments are needed to understand this association better. Systematic review registration PROSPERO, https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=361291, identifier: CRD42022361291.
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Affiliation(s)
- Chu Li
- Department of Obstetrics, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
- The Second Clinical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jiamin Luo
- Department of Ultrasound Medicine, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
| | - Yunping Yang
- Department of Obstetrics, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
- The Second Clinical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Qianqian Wang
- Department of Obstetrics, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
| | - Yanmei Zheng
- Department of Obstetrics, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
| | - Zixing Zhong
- Department of Obstetrics, Center for Reproductive Medicine, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Zhejiang, China
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Soomro MH, England-Mason G, Liu J, Reardon AJF, MacDonald AM, Kinniburgh DW, Martin JW, Dewey D. Associations between the chemical exposome and pregnancy induced hypertension. ENVIRONMENTAL RESEARCH 2023; 237:116838. [PMID: 37544468 DOI: 10.1016/j.envres.2023.116838] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/04/2023] [Accepted: 08/04/2023] [Indexed: 08/08/2023]
Abstract
Exposure to environmental chemicals has been linked to an increased risk of pregnancy-induced hypertension (PIH). This prospective cohort study examined the associations between PIH and maternal chemical exposure to four classes of chemicals (i.e., phthalates, bisphenols, perfluoroalkyl acids, non-essential metals and trace minerals). Participants included 420 pregnant women from the Alberta Pregnancy Outcomes and Nutrition (APrON) cohort who had data available on diagnosed PIH and environmental chemical exposure. Twelve phthalate metabolites, two bisphenols, eight perfluoroalkyl acids and eleven non-essential metals or trace minerals were quantified in maternal urine or blood samples collected in the second trimester of pregnancy. Associations between the urinary and blood concentrations of these chemicals and PIH were assessed using multiple logistic and LASSO regression analyses in single- and multi-chemical exposure models, respectively. Thirty-five (8.3%) participants were diagnosed with PIH. In single chemical exposure models, two phthalate metabolites, mono-methyl phthalate (MMP) and monoethyl phthalate (MEP), three perfluoroalkyl acids, perfluoroheptanoic acid (PFHpA), perfluorononanoic acid (PFNA), and perfluorodecanoic acid (PFDA), and one metal, manganese, were associated with increased odds of PIH. The metabolites of di (2-ethylhexyl) phthalate (DEHP) and the molar sum of these metabolites, as well as antimony, displayed trend associations (p < 0.10). In multi-chemical exposure models using LASSO penalized regressions and double-LASSO regressions, MEP (AOR: 1.43, 95% CI: 1.09-1.88, p = 0.009) and PFNA (AOR: 2.03, 95% CI: 1.01-4.07, p = 0.04) were selected as the chemicals most highly associated with PIH. These findings suggest that maternal levels of phthalates and perfluoroalkyl acids may be associated with the diagnosis on PIH. Future research should consider both individual and multi-chemical exposures when examining predictors of PIH and other maternal cardiometabolic health disorders, such as preeclampsia, eclampsia, HELLP syndrome, and gestational diabetes.
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Affiliation(s)
- Munawar Hussain Soomro
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Gillian England-Mason
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Jiaying Liu
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Anthony J F Reardon
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Amy M MacDonald
- Alberta Centre for Toxicology, University of Calgary, Calgary, Alberta, Canada
| | - David W Kinniburgh
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada; Alberta Centre for Toxicology, University of Calgary, Calgary, Alberta, Canada
| | - Jonathan W Martin
- Science for Life Laboratory, Department of Analytical Chemistry and Environmental Sciences, Stockholm University, Stockholm, Sweden
| | - Deborah Dewey
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Canada; Owerko Centre, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
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Wu M, Yan F, Liu Q, Liao G, Shen Y, Bai Z, Liu X. Effects of Xenobiotic Compounds on Preeclampsia and Potential Mechanisms. TOXICS 2023; 11:492. [PMID: 37368592 DOI: 10.3390/toxics11060492] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 06/29/2023]
Abstract
Preeclampsia (PE) refers to a disease with new hypertension and albuminuria or other end-organ damage after 20 weeks of pregnancy. As a major complication of pregnancy, PE can increase the morbidity and mortality of pregnant women and fetuses and cause serious social burden. Recently, it has been found that exposure to xenobiotic compounds, especially endocrine disruptors in the environment, may contribute to the development of PE. However, the underlying mechanism is still unclear. It is generally believed that PE is related to placental dysplasia, spiral artery remodelling failure, oxidative stress, etc. Therefore, in order to better prevent the occurrence of PE and reduce the damage and impact on mother and fetus, this paper reviews the role and potential mechanism of PE induced by exogenous chemicals and provides an outlook on the environmental etiology of PE.
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Affiliation(s)
- Miaoliang Wu
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
| | - Fuhui Yan
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
| | - Qian Liu
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
| | - Ganzhong Liao
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
| | - Yilin Shen
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
| | - Zhi Bai
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Xiaoshan Liu
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
- School of Public Health, Dongguan Key Laboratory of Environmental Medicine, Guangdong Medical University, Dongguan 523808, China
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Magnetic resonance spectroscopy and liquid chromatography-mass spectrometry metabolomics study may differentiate pre-eclampsia from gestational hypertension. Eur Radiol 2023:10.1007/s00330-023-09454-x. [PMID: 36809432 DOI: 10.1007/s00330-023-09454-x] [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: 04/27/2022] [Revised: 01/12/2023] [Accepted: 02/05/2023] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To investigate the findings of magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), and serum metabolomics for differentiating pre-eclampsia (PE) from gestational hypertension (GH). METHODS This prospective study enrolled 176 subjects including a primary cohort with healthy non-pregnant women (HN, n = 35), healthy pregnant women (HP, n = 20), GH (n = 27), and PE (n = 39) and a validation cohort with HP (n = 22), GH (n = 22), and PE (n = 11). T1 signal intensity index (T1SI), apparent diffusion coefficient (ADC) value, and the metabolites on MRS were compared. The differentiating performances of single and combined MRI and MRS parameters for PE were evaluated. Serum liquid chromatography-mass spectrometry (LC-MS) metabolomics was investigated by sparse projection to latent structures discriminant analysis. RESULTS Increased T1SI, lactate/creatine (Lac/Cr), and glutamine and glutamate (Glx)/Cr and decreased ADC value and myo-inositol (mI)/Cr in basal ganglia were found in PE patients. T1SI, ADC, Lac/Cr, Glx/Cr, and mI/Cr yielded an area under the curves (AUC) of 0.90, 0.80, 0.94, 0.96, and 0.94 in the primary cohort, and of 0.87, 0.81, 0.91, 0.84, and 0.83 in the validation cohort, respectively. A combination of Lac/Cr, Glx/Cr, and mI/Cr yielded the highest AUC of 0.98 in the primary cohort and 0.97 in the validation cohort. Serum metabolomics analysis showed 12 differential metabolites, which are involved in pyruvate metabolism, alanine metabolism, glycolysis, gluconeogenesis, and glutamate metabolism. CONCLUSIONS MRS is expected to be a noninvasive and effective tool for monitoring GH patients to avoid the development of PE. KEY POINTS • Increased T1SI and decreased ADC value in the basal ganglia were found in PE patients than in GH patients. • Increased Lac/Cr and Glx/Cr, and decreased mI/Cr in the basal ganglia were found in PE patients than in GH patients. • LC-MS metabolomics showed that the major differential metabolic pathways between PE and GH were pyruvate metabolism, alanine metabolism, glycolysis, gluconeogenesis, and glutamate metabolism.
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Sakali AK, Papagianni M, Bargiota A, Rasic-Markovic A, Macut D, Mastorakos G. Environmental factors affecting pregnancy outcomes. Endocrine 2023; 80:459-469. [PMID: 36729371 DOI: 10.1007/s12020-023-03307-9] [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: 12/11/2022] [Accepted: 01/10/2023] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Pregnancy represents a fragile period in the life of a woman, vulnerable to hazardous environmental substances which might affect maternal and fetal metabolism. The possible influence of environmental factors, including endocrine disrupting chemicals (EDCs), upon the mother and the fetus before and/or during pregnancy might be associated directly and/or indirectly to deleterious pregnancy outcomes. Because the existence of such associations would be, to our view, of major importance to the scientific community, their investigation is the scope of this critical review. METHODS This critical review includes in vivo animal and human studies regarding the role of environmental factors, including EDCs, on pregnancy outcomes complying with the SANRA (a scale for the quality assessment of narrative review articles) questions for narrative reviews. Studies were identified by searching the MEDLINE (PubMed and PubMed Central), the Cochrane library and the Google Scholar databases till October 2022 with the combinations of the appropriate key words (detailed environmental factors including EDCs AND detailed negative pregnancy outcomes) as well as by scanning references from already included articles and relevant reviews manually. Because environmental factors and EDCs have been associated to epigenetic alterations, special care has been given to EDC-induced transgenerational effects on pregnancy outcomes. RESULTS The existing evidence suggests positive associations between specific environmental factors and negative pregnancy outcomes such as ectopic pregnancies, pregnancy losses, gestational diabetes, hypertensive disorders of pregnancy, preterm births, birth defects, intrauterine growth restriction, and small or large for gestational age babies. CONCLUSION Environmental factors and EDCs may have a catalytic effect on the course and the outcomes of pregnancy.
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Affiliation(s)
- Anastasia-Konstantina Sakali
- Department of Endocrinology and Metabolic Diseases, Larissa University Hospital, University of Thessaly, Larissa, Greece
| | - Maria Papagianni
- Department of Nutrition and Dietetics, School of Physical Education and Sport Science and Dietetics, University of Thessaly, Trikala, Greece
- Endocrine Unit, 3rd Department of Pediatrics, Hippokration Hospital of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alexandra Bargiota
- Department of Endocrinology and Metabolic Diseases, Larissa University Hospital, University of Thessaly, Larissa, Greece
| | - Aleksandra Rasic-Markovic
- Institute of Medical Physiology, Faculty of Medicine, University of Belgrade, Visegradska 26, 11000, Belgrade, Serbia
| | - Djuro Macut
- Clinic for Endocrinology, Diabetes and Metabolic Diseases, University Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - George Mastorakos
- Unit of Endocrinology, Diabetes Mellitus and Metabolism, Aretaieion Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece.
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Dantas ADO, Castro TDSDSD, Câmara VDM, Santos ADSE, Asmus CIRF, Vianna ADS. Maternal Mercury Exposure and Hypertensive Disorders of Pregnancy: A Systematic Review. REVISTA BRASILEIRA DE GINECOLOGIA E OBSTETRICIA : REVISTA DA FEDERACAO BRASILEIRA DAS SOCIEDADES DE GINECOLOGIA E OBSTETRICIA 2022; 44:1126-1133. [PMID: 36580940 PMCID: PMC9800149 DOI: 10.1055/s-0042-1760215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The present review aimed to synthesize the evidence regarding mercury (Hg) exposure and hypertensive disorders of pregnancy (HDP). DATA SOURCES The PubMed, BVS/LILACS, SciELO and UFRJ's Pantheon Digital Library databases were systematically searched through June 2021. STUDY SELECTION Observational analytical articles, written in English, Spanish, or Portuguese, without time restriction. DATA COLLECTION We followed the PICOS strategy, and the methodological quality was assessed using the Downs and Black checklist. DATA SYNTHESIS We retrieved 77 articles, of which 6 met the review criteria. They comprised 4,848 participants, of which 809 (16.7%) had HDP and 4,724 (97.4%) were environmentally exposed to Hg (fish consumption and dental amalgam). Mercury biomarkers evaluated were blood (four studies) and urine (two studies). Two studies found a positive association between Hg and HDP in the group with more exposure, and the other four did not present it. The quality assessment revealed three satisfactory and three good-rated studies (mean: 19.3 ± 1.6 out 28 points). The absence or no proper adjustment for negative confounding factor, such as fish consumption, was observed in five studies. CONCLUSION We retrieved only six studies, although Hg is a widespread toxic metal and pregnancy is a period of heightened susceptibility to environmental threats and cardiovascular risk. Overall, our review showed mixed results, with two studies reporting a positive association in the group with more exposure. However, due to the importance of the subject, additional studies are needed to elucidate the effects of Hg on HDP, with particular attention to adjusting negative confounding.
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Affiliation(s)
- Aline de Oliveira Dantas
- Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil,Address for correspondence Aline de Oliveira Dantas, medical student Universidade Federal do Rio de JaneiroAv. Carlos Chagas Filho, 373, 2° andar, Sala 49, 21044-020, Cidade Universitária, Rio de Janeiro, RJBrazil
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Zhong Z, Yang Q, Li C, Chen X, Zhou F. A global perspective of correlation between maternal blood lead levels and risks of preeclampsia: An updated systematic review and meta-analysis. Front Public Health 2022; 10:1072052. [PMID: 36620238 PMCID: PMC9816335 DOI: 10.3389/fpubh.2022.1072052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
Background Preeclampsia (PE) is a specific hypertensive disorder in pregnancy. Lead (Pb) is a heavy metal that affects women's reproductive health. However, it is unclear whether lead exposure during can predispose maternal risk of developing preeclampsia. This systematic review and meta-analysis study aimed to explore the association. Methods We searched studies from three databases (PubMed, Web of Science, Embase). Only case-control, cross-sectional, and cohort studies reporting maternal blood lead levels (BLL) and PE were included from database inception to 31st July 2022. Pregnant women with blood lead levels measured were eligible. Those healthy pregnant women who did not develop preeclampsia were assessed as comparators. Letters, comments, case reports, and reviews were excluded. Newcastle-Ottawa Scale (NOS) and its adaptive form were applied for assessment. The random-effects method (REM) was applied to calculate the standardized mean difference (SMD) with a 95% confidence interval (CI). Stata 16.0 and RevMan 5.3 were the software used for data extraction and analysis. Results 25 studies out of 1,808 articles made the finalist for systematic reviews, of which 21 underwent further quantity analysis. A total of 1,533 preeclamptic women and 10,998 healthy pregnant controls were included in the meta-analysis. The overall result revealed that maternal lead exposure was significantly higher in women with preeclampsia (SMD: 1.06, 95% CI 0.69, 1.43); (I 2 = 96.40%; P = 0.000). Conclusion This study demonstrates that maternal lead exposure is associated with preeclampsia during pregnancy. The association is present even in low blood lead levels. The conclusion should be taken seriously and women should avoid unexpected exposure to a lead-containing environment as much as possible. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=347220, identifier: CRD42022347220.
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Affiliation(s)
- Zixing Zhong
- Center for Reproductive Medicine, Department of Obstetrics, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China
| | - Qingmei Yang
- Graduate School, Bengbu Medical University, Bengbu, Anhui, China,Center for Reproductive Medicine, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China
| | - Chu Li
- The Second Clinical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaohong Chen
- Department of Pediatrics, Central Hospital of Haining, Haining, Zhejiang, China,*Correspondence: Xiaohong Chen ✉
| | - Feifei Zhou
- Center for Reproductive Medicine, Department of Traditional Chinese Medicine, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, China,Feifei Zhou ✉
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11
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Andrews FV, Branscum A, Hystad P, Smit E, Afroz S, Golam M, Sharif O, Rahman M, Quamruzzaman Q, Christiani DC, Kile ML. A prospective study of arsenic and manganese exposures and maternal blood pressure during gestation. ENVIRONMENTAL RESEARCH 2022; 214:113845. [PMID: 35830911 PMCID: PMC9629670 DOI: 10.1016/j.envres.2022.113845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/24/2022] [Accepted: 07/05/2022] [Indexed: 06/12/2023]
Abstract
BACKGROUND Pregnancy is a sensitive time for maternal cardiovascular functioning and exposures to arsenic or manganese may adversely affect blood pressure (BP). OBJECTIVES This study examined the associations between arsenic and manganese exposures and maternal BP measured during pregnancy. Effect modification by pre-pregnancy body mass index (BMI) was evaluated. METHODS Pregnant women (N = 1522) were recruited for a prospective cohort study in Bangladesh (2008-2011). Exposure to arsenic and manganese was measured in drinking water at <16 weeks gestation and toenails at one-month postpartum. Systolic and diastolic BP were measured monthly. Linear mixed models estimated mean BP and differences in mean BP over gestation for arsenic or manganese exposures and adjusted for covariates. RESULTS Arsenic levels had an increasing dose-response association with maternal BP after 25 weeks gestation. Effect modification was observed for BMI. Participants with lower BMI (<23 kg/m2) exposed to 50 μg/L arsenic had 2.83 mmHg (95% CI:1.74-3.92) greater mean systolic and 1.96 mmHg (95% CI: 1.02-2.91 mmHg) diastolic BP compared to those exposed to ≤ 1 μg/L arsenic at 40 weeks gestation. Participants with higher BMI (≥23 kg/m2) showed a greater mean systolic BP of 5.72 mmHg (95% CI: 3.18-8.27 mmHg) and diastolic BP change of 6.09 mmHg (95% CI: 4.02-8.16 mmHg) at 40 weeks gestation when exposed to 50 μg/L compared to ≤ 1 μg/L arsenic. Participants with lower BMI exposed to drinking water manganese in the 2nd quartile (181-573 μg/L) had 1.04 mmHg higher mean diastolic BP (95% CI: 0.01-2.07 mmHg) at 40 weeks gestation compared to those in the 1st quartile (0.5-180 μg/L). CONCLUSION Arsenic exposures during pregnancy were consistently associated with increased average maternal systolic and diastolic BP. The effect of manganese on BP was less consistent.
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Affiliation(s)
- Faye V Andrews
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA; Oregon Clinical and Translational Research Institute, Oregon Health and Sciences University, Portland, OR, USA.
| | - Adam Branscum
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Perry Hystad
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Ellen Smit
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Sakila Afroz
- Dhaka Community Hospital Trust, Dhaka, Bangladesh
| | | | - Omar Sharif
- Dhaka Community Hospital Trust, Dhaka, Bangladesh
| | | | | | - David C Christiani
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Harvard University, Boston, MA, USA
| | - Molly L Kile
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
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12
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Hadavifar M, Mohammadnia E, Rasaeifar S, Heidarian Miri H, Rastakhiz M, Souvizi B, Mohammad-Zadeh M, Akrami R, Kazemi A. Determination of toxic metal burden and related risk factors in pregnant women: a biological monitoring in Sabzevar, Iran. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:78901-78912. [PMID: 35699879 DOI: 10.1007/s11356-022-20510-9] [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: 01/01/2022] [Accepted: 04/25/2022] [Indexed: 06/15/2023]
Abstract
Nowadays, the adverse effect of toxic metals on humans is well known, especially in the fetal period such as preventing cognitive development and congenital abnormalities of the central nervous system. Hence, this study aims to evaluate the toxic metal burden in mothers and newborns in Sabzevar. Obtained data can be useful for authorities in public health issues. To determine heavy metals in placental blood and umbilical cord blood, one hundred eighty blood samples were taken from ninety mothers referred to Shahidan Mobini Hospital for delivery. The amount of metals in samples was analyzed using inductively coupled plasma optical emission spectrometry (ICP OES). The results of this study revealed that 21.52%, 26.19%, and 60.71% of maternal blood samples (placental blood) and 16.47%, 56.47%, and 20% of umbilical cord blood samples were higher than the US center for disease control (CDC) recommended levels for Pb, Cd, and As respectively. According to the multiple linear regression analysis, the Pb (p = 0.054), As (p < 0.001), and Se (p < 0.001) levels had an association with the mother's living area. Also, there was a significant association between Se (0.021) and the age of the mother. However, the Se values in its optimum concentrations in the blood (60-140 μg/L) can decrease the adverse effects of toxic metals, 72.5% of the pregnant women had Se values below the 60 μg/L and only 6% of pregnant women had Se levels higher than 140 μg/L. We concluded that the mothers inhabiting the rural areas need more Se sources in their diets.
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Affiliation(s)
- Mojtaba Hadavifar
- Environmental Sciences Department, Hakim Sabzevari University, Sabzevar, Iran
| | - Esmail Mohammadnia
- Environmental Sciences Department, Hakim Sabzevari University, Sabzevar, Iran
| | | | - Hamid Heidarian Miri
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Behnaz Souvizi
- Department of Obstetrics and Gynecology, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Mohammad Mohammad-Zadeh
- Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology and Pharmacology, Faculty of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Rahim Akrami
- Department of Epidemiology and Biostatistics, School of Public Health, Sabzevar University of Medical Sciences, Sabzevar, Iran.
- Department of Epidemiology & Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Ali Kazemi
- Department of Environmental Science and Engineering, Faculty of Agriculture and Environment, Arak University, Arak, Iran
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13
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Aldaddou WA, Aljohani ASM, Ahmed IA, Al-Wabel NA, El-Ashmawy IM. Ameliorative effect of methanolic extract of Tribulus terrestris L. on nicotine and lead-induced degeneration of sperm quality in male rats. JOURNAL OF ETHNOPHARMACOLOGY 2022; 295:115337. [PMID: 35605919 DOI: 10.1016/j.jep.2022.115337] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The use of herbal and medicinal plants to treat male infertility is well known in history. Tribulus terrestris L. (TT) belongs to the Zygophyllaceae family and it is used in folk medicine to vitalize and also improve both physical performance and sexual function in men in addition to the protective effect of the gross saponins of TT against ischemic stroke and its clinical anti-inflammatory property. AIM OF THE STUDY This study aimed to investigate the effects of methanol extract of T. terrestris on nicotine hydrogen tartrate and lead-induced degeneration of sperm quality in male rats and to identify the volatile bioactive non-polar compounds thought to be responsible for its activity using gas chromatography-mass spectrometry (GC-MS). MATERIALS AND METHODS The effect of T. terrestris on nicotine hydrogen tartrate and lead-induced infertility was evaluated in male rats. Fifty-four mature male albino rats weighing 220-250 g body weight were used. The rats were randomly divided into 9 equal groups (n = 6). Infertility was induced by administering nicotine hydrogen tartrate (0.50 mg/kg) through peritoneal injection (i.p.) or lead acetate (1.5 g/L) orally with drinking water for sixty days. Two doses (50 and 100 mg/kg body weight of the animal) of T. terrestris were also used. At the end of the experimental period, the rats were anesthetized and sacrificed. Blood samples were collected. Hormonal analyses were carried out on the serum. The testicle, epididymis, and accessory sex organs (seminal vesical and prostates) were removed for histopathological analysis. Gas chromatography-mass spectrometry (GC-MS) analysis of the methanol extract was also carried out to identify major volatile compounds in T. terrestris methanol extract. RESULTS Nicotine and lead toxicity caused a significant (p < 0.05) decrease in the number of sperm, motility, and an increase in the sperm abnormalities such as the reduction in weight and size of sexual organs (testis, epididymis, and accessory sex glands), reduction of diameter and length of seminiferous tubules. The administration of T. terrestris methanol extract, however, improved the semen quantity and quality, sexual organ weights, and fertility of male rats and, thus, ameliorated the adverse effects of nicotine and lead. Ten major compounds were found from the GC-MS analysis of the extract of T. terrestris methanol extract. CONCLUSION Findings showed that T. terrestris plant methanolic extracts ameliorated nicotine hydrogen tartrate and lead-induced degeneration of sperm quality in male rats. The GC-MS analysis of the T. terrestris plant methanolic extracts revealed the presence of several important bioactive compounds which were thought to be responsible for the ameliorative effect. Further isolation and evaluation of the individual components would provide relevant lead to finding new drugs.
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Affiliation(s)
- Wael Ammar Aldaddou
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia.
| | - Abdullah S M Aljohani
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia.
| | - Idris Adewale Ahmed
- Centre for Natural Products Research and Drug Discovery (CENAR), Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Naser A Al-Wabel
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
| | - Ibrahim M El-Ashmawy
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Alexandria University, Egypt
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14
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Ma J, Zhang H, Zheng T, Zhang W, Yang C, Yu L, Sun X, Xia W, Xu S, Li Y. Exposure to metal mixtures and hypertensive disorders of pregnancy: A nested case-control study in China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119439. [PMID: 35550130 DOI: 10.1016/j.envpol.2022.119439] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/26/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Exposure to metals has been linked with the risk of hypertensive disorders of pregnancy (HDP), but little is known about the potential effects of exposure to metal mixtures. Thus, our study aimed to investigated the impact of a complex mixture of metals on HDP, especially the interactions among metal mixtures. We did a population-based nested case-control study from October 2013 to October 2016 in Wuhan, China, including 146 HDP cases and 292 controls. Plasma concentrations of Aluminum (Al), Barium (Ba), Cobalt (Co), Copper (Cu), Lead (Pb), Mercury (Hg), Molybdenum (Mo), Nickel (Ni), Selenium (Se), Strontium (Sr), Thallium (Tl), and Vanadium (V) were measured and collected between 10 and 16 gestational weeks. We employed quantile g-computation, conditional logistic regression models, and Bayesian Kernel Machine Regression (BKMR) to assess the association of individual metals and metal mixtures with HDP risk. In the quantile g-computation, the OR for a joint tertile increase in plasma concentrations was 3.67 (95% CI: 1.70, 7.91). Hg contributed the largest positive weights and followed by Al, Ni, and V. In conditional logistic regression models, concentrations of Hg, Al, Ni, and V were significantly associated with the risk of HDP (p-FDR < 0.05). Compared to the lowest tertiles, the ORs (95% CI) for the highest tertiles of these four metals were 2.67 (1.44, 4.95), 3.09 (1.70, 5.64), 5.31 (2.68, 10.53), and 4.52 (2.26, 9.01), respectively. In the BKMR analysis, we observed a linear positive association between Hg, Al, V, and HDP, and a nonlinear relationship between Ni and HDP. A potential interaction between Al and V was also identified. We found that exposure to metal mixtures in early pregnancy, both individually and as a mixture, was associated with the risk of HDP. Potential interaction effects of Al and V on the risk of HDP may exist.
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Affiliation(s)
- Jiaolong Ma
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Hongling Zhang
- Wuchang University of Technology, Wuhan, Hubei, PR China
| | - Tongzhang Zheng
- Department of Epidemiology, Brown University, Providence, RI, USA
| | - Wenxin Zhang
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Chenhui Yang
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Ling Yu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Xiaojie Sun
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Wei Xia
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Shunqing Xu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, PR China.
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15
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Moghaddasi R, Rezayi M, Darroudi M, Sahebkar A, Haghiralsadat F. Fabrication of Novel Potentiometric Sensor for Lead Ion Detection in Blood Samples: Experimental and Theoretical Approaches. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Wang X, Pu Y, Ai S, Liu H, He S, Li Z, Dang Y. Associations of maternal blood mercury with preeclampsia and birth outcomes. Clin Chim Acta 2022; 531:361-367. [PMID: 35483441 DOI: 10.1016/j.cca.2022.04.991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/04/2022] [Accepted: 04/21/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Mercury (Hg) is a highly toxic substance, and its harmful effects on maternal and infant health have been reported. Yet, the associations of Hg exposure with preeclampsia (PE) and adverse birth outcomes are not well understood. OBJECTIVE The aim of this study was to investigate the potential effects of maternal Hg exposure on PE and birth outcomes. METHODS We conducted a case-control study with 84 participants in China. Logistic models were used to estimate odds ratios for PE risk and birth outcomes according to maternal blood Hg levels, adjusting for potential confounding factors. RESULTS Elevated blood Hg levels were associated with increased risks of mild PE (aOR, 7.03; 95% CI, 1.61, 30.62; P < 0.01) and severe PE (aOR, 47.55; 95% CI, 5.27, 429.05; P < 0.05). We also found that increased blood Hg levels were associated with low birth weight (aOR, 1.12; 95% CI, 1.00, 1.25; P < 0.05) and preterm birth (PTB) (aOR, 1.22; 95% CI, 1.08, 1.38; P < 0.05). CONCLUSIONS Our study provided evidence that elevated blood Hg levels were significantly associated with an increased risk of PE. In addition, our findings support that increased blood Hg levels might be associated with low birth weight and PTB.
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Affiliation(s)
- Xiaxue Wang
- Institute of Maternal, Child and Adolescent Health, School of Public Health, Lanzhou University, Lanzhou 730000, China.
| | - Yudong Pu
- Institute of the Songshan Lake (SSL) Central Hospital of Dongguan City, Dongguan 523326, China.
| | - Shiwei Ai
- Institute of Maternal, Child and Adolescent Health, School of Public Health, Lanzhou University, Lanzhou 730000, China.
| | - Haixia Liu
- Institute of Maternal, Child and Adolescent Health, School of Public Health, Lanzhou University, Lanzhou 730000, China.
| | - Shuzhen He
- Institute of the Songshan Lake (SSL) Central Hospital of Dongguan City, Dongguan 523326, China.
| | - Zhilan Li
- Institute of Maternal, Child and Adolescent Health, School of Public Health, Lanzhou University, Lanzhou 730000, China.
| | - Yuhui Dang
- Institute of Maternal, Child and Adolescent Health, School of Public Health, Lanzhou University, Lanzhou 730000, China.
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17
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Lead (Pb) and neurodevelopment: A review on exposure and biomarkers of effect (BDNF, HDL) and susceptibility. Int J Hyg Environ Health 2021; 238:113855. [PMID: 34655857 DOI: 10.1016/j.ijheh.2021.113855] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/13/2022]
Abstract
Lead (Pb) is a ubiquitous environmental pollutant and a potent toxic compound. Humans are exposed to Pb through inhalation, ingestion, and skin contact via food, water, tobacco smoke, air, dust, and soil. Pb accumulates in bones, brain, liver and kidney. Fetal exposure occurs via transplacental transmission. The most critical health effects are developmental neurotoxicity in infants and cardiovascular effects and nephrotoxicity in adults. Pb exposure has been steadily decreasing over the past decades, but there are few recent exposure data from the general European population; moreover, no safe Pb limit has been set. Sensitive biomarkers of exposure, effect and susceptibility, that reliably and timely indicate Pb-associated toxicity are required to assess human exposure-health relationships in a situation of low to moderate exposure. Therefore, a systematic literature review based on PubMed entries published before July 2019 that addressed Pb exposure and biomarkers of effect and susceptibility, neurodevelopmental toxicity, epigenetic modifications, and transcriptomics was conducted. Finally included were 58 original papers on Pb exposure and 17 studies on biomarkers. The biomarkers that are linked to Pb exposure and neurodevelopment were grouped into effect biomarkers (serum brain-derived neurotrophic factor (BDNF) and serum/saliva cortisol), susceptibility markers (epigenetic markers and gene sequence variants) and other biomarkers (serum high-density lipoprotein (HDL), maternal iron (Fe) and calcium (Ca) status). Serum BDNF and plasma HDL are potential candidates to be further validated as effect markers for routine use in HBM studies of Pb, complemented by markers of Fe and Ca status to also address nutritional interactions related to neurodevelopmental disorders. For several markers, a causal relationship with Pb-induced neurodevelopmental toxicity is likely. Results on BDNF are discussed in relation to Adverse Outcome Pathway (AOP) 13 ("Chronic binding of antagonist to N-methyl-D-aspartate receptors (NMDARs) during brain development induces impairment of learning and memory abilities") of the AOP-Wiki. Further studies are needed to validate sensitive, reliable, and timely effect biomarkers, especially for low to moderate Pb exposure scenarios.
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Vigeh M, Yunesian M, Matsukawa T, Shamsipour M, Jeddi MZ, Rastkari N, Hassanvand MS, Shariat M, Kashani H, Pirjani R, Effatpanah M, Shirazi M, Shariatpanahi G, Ohtani K, Yokoyama K. Prenatal blood levels of some toxic metals and the risk of spontaneous abortion. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:357-363. [PMID: 34150240 PMCID: PMC8172701 DOI: 10.1007/s40201-020-00608-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 12/29/2020] [Indexed: 05/19/2023]
Abstract
High-level toxic metal exposure has become rare in the recent years. Although, it has not known whether relatively lower exposure may adversely affect human reproductive system. Spontaneous abortion (SA) is a serious reproductive problem, which, in many cases, the cause(s) is not clearly understood. To assess the relationship between prenatal blood level of metals and SA risk, we compared blood concentration of some heavy metals in samples taken from mothers recruited in Tehran Environment and Neurodevelopmental Defects (TEND) study conducted on apparently healthy pregnant women in Tehran, Iran who subsequently experienced spontaneous abortion with mothers who their pregnancy ended to live births. During early gestation, 206 women were enrolled to the survey and followed up till fetal abortion or baby deliveries occur. Blood metal concentrations were measured using an inductively coupled plasma mass spectrometer. The mean blood levels of lead, antimony, and nickel were higher in SA than ongoing pregnancy; however, this difference was not statistically significant. When adjusted for covariates, the logistic regression analysis showed significant association between maternal age and the risk of SA in all models. Among toxic metals only antimony had a noticeable positive relation with the risk of SA (OR: 1.65, 95% CI:1.08-2.52, P value: 0.02). Pearson's correlation coefficient showed significant (P < 0.05) positive correlations among prenatal blood metals levels, except for nickel. Although the present study failed to provide strong evidence for the effects of toxic metals on the occurrence of SA at the relatively low-levels, these metals should be avoided in women who plan pregnancy and/or during the early stages of gestation to prevent the chance of adverse effects.
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Affiliation(s)
- Mohsen Vigeh
- Maternal, Fetal and Neonatal Research Center, Family Health Institute, Tehran University of Medical Sciences, Tehran, Iran
- Department of Epidemiology and Environmental Health, Juntendo University Faculty of Medicine, Tokyo, Japan
- Occupational Epidemiology, National Institute of Occupational Safety and Health, Kanagawa, Japan
| | - Masud Yunesian
- Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Takehise Matsukawa
- Department of Epidemiology and Environmental Health, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Mansour Shamsipour
- Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Zare Jeddi
- Division of Toxicology, Wageningen University & Research, Stippeneng 4, 6708 E Wageningen, the Netherlands
| | - Noushin Rastkari
- Center for Air Pollution Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sadegh Hassanvand
- Center for Air Pollution Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Mamak Shariat
- Maternal, Fetal and Neonatal Research Center, Family Health Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Homa Kashani
- Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Reihaneh Pirjani
- Obstetrics and Gynecology Department, Arash Women’s Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mahboobeh Shirazi
- Maternal, Fetal and Neonatal Research Center, Family Health Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Katsumi Ohtani
- Occupational Epidemiology, National Institute of Occupational Safety and Health, Kanagawa, Japan
| | - Kazuhito Yokoyama
- Department of Epidemiology and Environmental Health, Juntendo University Faculty of Medicine, Tokyo, Japan
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19
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Lead Levels in Non-Occupationally Exposed Women with Preeclampsia. Molecules 2021; 26:molecules26103051. [PMID: 34065439 PMCID: PMC8160711 DOI: 10.3390/molecules26103051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 11/29/2022] Open
Abstract
There are many controversies regarding the relationship between lead exposure andcomplications in pregnancy. Preeclampsia (PE) is a maternal hypertensive disorder which is one of the main causes of maternal and foetal mortality. The aim of our study was to assess blood lead level (BLL) in Polish women with PE (PE group, n = 66) compared with healthy, non-pregnant women (CNP group, n = 40) and healthy pregnant women (CP group, n = 40). BLL was determined by inductively coupled plasma mass spectrometry (ICP-MS). The systolic blood pressure (SBP), diastolic blood pressure (DBP) and BLL in the CP group were significantly lower than in the PE group (p < 0.001). Logistic regression analyses of BLL showed a significant positive relationship with the presence of PE. Furthermore, both the SBP and DBP values were positively associated with BLL. This study indicates that preeclamptic women tend to present with significantly higher BLL compared to healthy pregnant women. There were no differences in the BLL between the CP and CNP groups.
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Khoshnamvand N, Azizi N, Hassanvand MS, Shamsipour M, Naddafi K, Oskoei V. Blood lead level monitoring related to environmental exposure in the general Iranian population: a systematic review and meta-analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-14148-2. [PMID: 33948843 DOI: 10.1007/s11356-021-14148-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
Exposure to lead can cause adverse health problems incorporating hypophosphatemia, heart and liver disease, cancers, neurological and cardiovascular diseases, central nervous disorders, and sensory disorders. This study investigated the blood lead level in the general Iranian population with environmental exposure to lead. In the presented systematic review and meta-analysis, the authors searched Iranian dataset, including Magiran, SID, Iranmedex, and Nopa, and the main dataset, comprising PubMed, Scopus, Embase, and Web of Science, all available articles until 12 January 2019, and extracting 55 studies (with 63 data for analysis) to a meta-analysis. A comprehensive meta-analysis software, pooled standard deviation, mean, sample size, and the utterly random effects model was analyzed in this study. The results showed that the overall mean BLL (95% CI) in total inquiries was 6.41 μg/dL (5.96 to 6.87). Besides, the results for gender and age subgroups were as follows: mean BLL, 6.47 μg/dL, 95% CI, 5.79, to 7.15, mean BLL, 6.44 μg/dL, 95% CI, 5.96, to 6.91, respectively. Conclusively the mean BLL in the Iranian population was higher than the recommended level by the US Centers for Disease Control and Prevention (CDC). Results indicated that the mean BLL in men and adults was more elevated than in women and children, respectively. Therefore, BLL monitoring and screening of the general Iranian population are is necessary to determine a reference value.
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Affiliation(s)
- Nahid Khoshnamvand
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Nahid Azizi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sadegh Hassanvand
- Center for Air Pollution Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Mansour Shamsipour
- Department of Research Methodology and Data Analysis, Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Kazem Naddafi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Center for Air Pollution Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.
| | - Vahide Oskoei
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Hadei M, Shahsavani A, Hopke PK, Naseri S, Yazdanbakhsh A, Sadani M, Mesdaghinia A, Yarahmadi M, Rahmatinia M, Fallah S, Emam B, Kermani M, Jaafarzadeh N, Alipour M, Hassanzadeh V, Bazzazpour S, Nazari SSH. A systematic review and meta-analysis of human biomonitoring studies on exposure to environmental pollutants in Iran. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 212:111986. [PMID: 33540338 DOI: 10.1016/j.ecoenv.2021.111986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/09/2021] [Accepted: 01/26/2021] [Indexed: 06/12/2023]
Abstract
Population exposure to environmental contaminants can be precisely observed through human biomonitoring studies. The present study aimed to systematically review all the biomonitoring studies conducted in Iran on some selected carcinogen environmental pollutants. In this systematic review study, 11 carcinogen agents were selected including arsenic, cadmium, chromium, nickel, lindane, benzene, trichloroethylene (TCE), pentachlorophenol (PCP), radon-222, radium-224, - 226, - 228, and tobacco smoke. The Web of Science, PubMed, and Scopus databases were searched for peer-reviewed articles published in English. After several screening steps, data were extracted from the studies. Meta-analyses (a random-effect model using the DerSimonian-Laired method) were performed only for the biomarkers with more than three eligible articles, including cadmium in blood and breast milk, and arsenic in breast milk. Methodological quality of the studies was assessed using the Newcastle-Ottawa Quality Assessment Scale adapted for cross-sectional studies. Of the 610 articles found in the database search, 30 studies were eligible for qualitative review, and 13 were included in the meta-analysis (cadmium in blood (n = 3), cadmium in breast milk (n = 6), and arsenic in breast milk (n = 4)). The overall pooled average concentrations (95% CI) of cadmium in blood, cadmium in breast milk, and arsenic in breast milk were 0.11 (95% CI: 0.08, 0.14), 5.38 (95% CI: 3.60, 6.96), and 1.42 (95% CI: 1.02, 1.81) µg/L, respectively. These values were compared with the biomarker concentrations in other countries and health-based guideline values. This study showed that there is a need for comprehensive action plans to reduce the exposure of general population to these environmental contaminants.
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Affiliation(s)
- Mostafa Hadei
- Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Shahsavani
- Environmental and Occupational Hazards Control Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Philip K Hopke
- Center for Air Resources Engineering and Science, Clarkson University, Potsdam, NY 13699, USA
| | - Simin Naseri
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmadreza Yazdanbakhsh
- Environmental and Occupational Hazards Control Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Sadani
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Mesdaghinia
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Masoumeh Rahmatinia
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sevda Fallah
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahaaran Emam
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Kermani
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Nemat Jaafarzadeh
- Department of Environmental Health Engineering, School of Public Health, Ahvaz University of Medical Sciences, Ahvaz, Iran
| | - Mohammadreza Alipour
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Vajihe Hassanzadeh
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahriyar Bazzazpour
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Saeed Hashemi Nazari
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Wu SZ, Xu HY, Chen Y, Chen Y, Zhu QL, Tan MH, Zhang MM. Association of blood lead levels with preeclampsia: A cohort study in China. ENVIRONMENTAL RESEARCH 2021; 195:110822. [PMID: 33539829 DOI: 10.1016/j.envres.2021.110822] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Preeclampsia is the main cause of maternal and perinatal death, especially in developing countries. Multiple studies suggest that blood lead levels in pregnancy are a risk factor for preeclampsia, even with low levels of blood lead. But less knows the dose-effect relationship of preeclampsia in low blood lead levels. OBJECTIVES This study aims to assess the association between blood lead levels and preeclampsia and to explore its dose-effect relationship between low blood lead levels and preeclampsia. METHODS The retrospective cohort study was consecutively conducted in a comprehensive tertiary hospital in Foshan city of Guangdong Province, China, from August 1, 2019, to November 30, 2019. Blood lead levels were measured in maternal whole blood in 12-27 (+6) weeks of pregnancy, using atomic absorption spectrometer. Preeclampsia diagnosis was ascertained from the electronic medical records system. The risk of preeclampsia was estimated by multivariable logical regression analysis, and a two-stage linear regression model was established to find out the dose-effect. RESULTS A total of 2174 people were included in this study, and 59 (2.7%) women developed preeclampsia. The dose-effect analysis revealed a non-linear association between blood lead levels and the risk of preeclampsia, with a cut-off point at 4.2 μg/dl. When blood lead levels were over 4.2 μg/dl, the risk of preeclampsia increased significantly with an increase in blood lead levels (OR = 2.05, 95%CI: 1.50, 2.81). In the multivariate regression models, per 1 μg/dl increment in blood lead levels was associated with 43% higher risk of developing preeclampsia (OR = 1.43,95%CI:1.17,1.74). Moreover, the association between blood lead levels and preeclampsia was stable in different subgroups. CONCLUSIONS Low levels of lead exposure had a dose-effect relationship of preeclampsia, with a cut-off point at 4.2 μg/dl. Blood lead levels had a non-linear association with preeclampsia. When the blood lead levels were higher than 4.2 μg/dl, the risk of preeclampsia increases by 105% for every 1 μg/dl increase in blood lead levels.
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Affiliation(s)
- Su Zhen Wu
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China.
| | - Huan Ying Xu
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China.
| | - Ying Chen
- Candidate of Master's Degree, Foshan Clinical Medical School of Guangzhou University of Chinese Medicine, Chancheng District, Foshan, Guangdong province, China
| | - Yu Chen
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China
| | - Qiao Ling Zhu
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China
| | - Min Hua Tan
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China
| | - Miao Miao Zhang
- TCM Gynecology Department, Foshan Chancheng Central Hospital, Chancheng District, Foshan, Guangdong province, China
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Al-Sakarneh NA, Mashal RH. Evaluation of Zinc and Homocysteine Status in Pregnant Women and Their Association with Pre-eclampsia in Jordan. Prev Nutr Food Sci 2021; 26:21-29. [PMID: 33859956 PMCID: PMC8027045 DOI: 10.3746/pnf.2021.26.1.21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 11/23/2022] Open
Abstract
Pre-eclampsia (PE) is considered a major complication of pregnancy. Hyperhomocyteinemia (H-Hcy) has been proposed to be associated with a number of placenta-mediated diseases, such as PE. Zinc (Zn) is involved in the regulation of total homocysteine (Hcy) levels. A case-control study design was used to examine serum Zn and Hcy statuses, and their association to PE risk. Thirty pregnant women with PE 21∼35 years of age, and 30 matched healthy pregnant women were recruited from Amman, Jordan. Plasma Hcy was measured using liquid chromatography-mass spectrometry, and Zn was measured using atomic absorption. Hcy levels were significantly higher among women with PE compared with controls (16.35±0.43 and 7.25±0.21 μmol/L, respectively; P<0.05). However, there was no significant difference in Zn levels between women with PE and controls (65.37±1.27 and 63.71±1.24 μg/dL, respectively; P>0.05). Blood levels of Hcy (μmol/L) were positively associated with systolic and diastolic blood pressure (β=3.54 and β=1.81, respectively; P<0.05), and Zn levels [odds ratios (OR)=0.84; 95% confidence intervals (CI): 0.71∼0.98] were significantly associated with PE risk (P<0.05). Although women with PE had significantly higher Hcy levels than controls, H-Hcy was not associated with increased PE risk. However, there was a strong association between severity of hypertension and serum Hcy levels, and serum Zn levels were inversely associated with H-Hcy. The likelihood of PE was significantly higher in women who were Zn deficient compared with healthy controls. To conclude, early management of H-Hcy and associated risk factors may be effective in decreasing the incidence of PE.
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Affiliation(s)
- Nawal Ahmad Al-Sakarneh
- Food Physical Laboratory Division, Administration Laboratories Directoraite, Jordan Food and Drug Administration (JFDA), Amman 11942, Jordan.,Department of Nutrition and Food Technology, Faculty of Agriculture, The University of Jordan, Amman 11942, Jordan
| | - Rima Hussein Mashal
- Department of Nutrition and Food Technology, Faculty of Agriculture, The University of Jordan, Amman 11942, Jordan
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Wang D, Fu X, Zhang J, Xu C, Hu Q, Lin W. Association between blood lead level during pregnancy and birth weight: A meta-analysis. Am J Ind Med 2020; 63:1085-1094. [PMID: 32969041 DOI: 10.1002/ajim.23187] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND We aimed to provide a quantitative summary of evidence for a relationship between prenatal lead (Pb) exposure and birth weight. METHODS PubMed and Web of Science databases were searched for eligible epidemiological studies. We transformed findings in eligible studies with different effect-size metrics to standardized regression coefficients, and used fixed-effects or random-effects models to assess the pooled effects of prenatal Pb exposure on birth weight. RESULTS There was a significant negative association between prenatal Pb exposure and birth weight. Birth weight reduction was associated with elevated lead levels in maternal blood (β = -0.094; 95% confidence interval [CI]: -0.157 to -0.030) and cord blood (β = -0.120; 95% CI: -0.239 to -0.001). CONCLUSIONS This meta-analysis is the first to provide a quantitative assessment of Pb exposure during pregnancy and an increased risk of lower birth weight.
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Affiliation(s)
- Duo Wang
- Department of Occupational and Environmental Health, School of Public Health Sun Yat‐sen University Guangzhou Guangdong China
| | - Xi Fu
- Department of Occupational and Environmental Health, School of Public Health Sun Yat‐sen University Guangzhou Guangdong China
| | - Jun Zhang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital Sun Yat‐sen University Guangzhou Guangdong China
| | - Chengfang Xu
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital Sun Yat‐sen University Guangzhou Guangdong China
| | - Qiansheng Hu
- Department of Occupational and Environmental Health, School of Public Health Sun Yat‐sen University Guangzhou Guangdong China
| | - Weiwei Lin
- Department of Occupational and Environmental Health, School of Public Health Sun Yat‐sen University Guangzhou Guangdong China
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25
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Wang Y, Wang K, Han T, Zhang P, Chen X, Wu W, Feng Y, Yang H, Li M, Xie B, Guo P, Warren JL, Shi X, Wang S, Zhang Y. Exposure to multiple metals and prevalence for preeclampsia in Taiyuan, China. ENVIRONMENT INTERNATIONAL 2020; 145:106098. [PMID: 32916414 DOI: 10.1016/j.envint.2020.106098] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/19/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Several studies with small sample size have reported inconsistent associations between single metal and preeclampsia (PE). Very few studies have investigated metal mixtures and PE. METHODS Blood concentrations of chromium (Cr), cadmium, mercury (Hg), arsenic (As), lead (Pb), nickel, cobalt, and antimony were measured using inductively coupled plasma-mass spectrometry among 427 PE women and 427 matched controls from Taiyuan, China. Multivariate logistic regression models, weighted quantile sum (WQS) regression, and principal component analysis were employed to examine exposure to single metals and metal mixtures in relation to PE. RESULTS An increased prevalence of PE was associated with Cr (OR = 1.76, 95% CI: 1.18, 2.62 and 1.90, 1.22, 2.93 for the middle and high vs. low), Hg (OR = 1.60, 95% CI: 1.08, 2.38 for the high vs. low) and As (OR = 1.64, 95% CI: 1.07, 2.52 for the middle vs. low). The WQS index, predominated by Cr, Hg, Pb, and As, was positively associated with PE. A principal component characterized by Cr and As also exhibited excessive association with PE. The highest PE prevalence was found among women who were overweight/obese before pregnancy and had high Cr levels compared to women who had pre-pregnancy normal body mass index (BMI) and low Cr levels. CONCLUSIONS Our study provided evidence that exposure to multiple metals was associated with increased prevalence of PE, and the observed association with multiple metals was dominated by Cr, As. Our study also suggested that pre-pregnancy BMI might modify the association between Cr and PE.
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Affiliation(s)
- Ying Wang
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China; Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT, USA
| | - Keke Wang
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Tianbi Han
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Ping Zhang
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Xi Chen
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Weiwei Wu
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Yongliang Feng
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Hailan Yang
- Department of Obstetrics, The First Affiliated Hospital, Shanxi Medical University, Taiyuan, China
| | - Mei Li
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Bingjie Xie
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Pengge Guo
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China
| | - Joshua L Warren
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Xiaoming Shi
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Suping Wang
- Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, China.
| | - Yawei Zhang
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT, USA; Department of Surgery, Yale School of Medicine, New Haven, CT, USA.
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Baraquoni NA, Qouta SR, Vänskä M, Diab SY, Punamäki RL, Manduca P. It Takes Time to Unravel the Ecology of War in Gaza, Palestine: Long-Term Changes in Maternal, Newborn and Toddlers' Heavy Metal Loads, and Infant and Toddler Developmental Milestones in the Aftermath of the 2014 Military Attacks. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17186698. [PMID: 32938007 PMCID: PMC7558099 DOI: 10.3390/ijerph17186698] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/05/2020] [Accepted: 09/09/2020] [Indexed: 12/11/2022]
Abstract
Toxicant, teratogen and carcinogen metal war remnants negatively affect human health. The current study analyzes, first, the persistence of heavy metal contamination in newborn hair in four cohorts across time in Gaza Palestine; second, the change in mothers’ and infants’ heavy metal contamination from birth to toddlerhood; and third, the impact of heavy metal contamination on infants’ and toddlers’ growth and development. The hair of newborns was analyzed for twelve heavy metals by Inductively Coupled Plasma Mass Spectrometry (ICP/MS) in cohorts recruited at delivery in 2011, 2015, 2016, and 2018–2019. In the 2015 cohort, mothers’ hair samples were taken at delivery, and toddlers and mothers hair were also analyzed 18 months later. Growth levels of infants at six months and toddlers at 18 months were assessed according to World Health Organization (WHO) standards according to a mother report and pediatric check-up, respectively. 1. The level of metal contamination in utero was persistently high across 8 years, 2011, 2015, 2016, 2019, following three major military attacks (2009, 2012, 2014). 2. The 2015 cohort babies exposed in utero to attacks in 2014 at six months showed association of high load at birth in mother of arsenic and in newborn of barium with underweight, of barium and molybdenum in newborn with stunting. 3. Eighteen months after birth, toddlers had a higher level of metals in hairs than when they were born, while, in their mothers, such levels were similar to those at delivery, confirming persistence in the environment of war remnants. Underweight and stunting, both in infants and toddlers, were higher than reported for previous years, as well as being progressive within the cohort. Severe environmental factors, metal contamination and food insecurity put Gaza’s infant health at risk.
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Affiliation(s)
| | - Samir R. Qouta
- Doha Institute for Graduate Studies, School of Social Sciences and Humanities, Al Tarfa Street, Zone 70, Doha, P.O. Box 200592, Qatar;
| | - Mervi Vänskä
- Department of Psychology, Faculty of Social Sciences, Tampere University, 33014 Tampere, Finland; (M.V.); (S.Y.D.); (R.-L.P.)
| | - Safwat Y. Diab
- Department of Psychology, Faculty of Social Sciences, Tampere University, 33014 Tampere, Finland; (M.V.); (S.Y.D.); (R.-L.P.)
| | - Raija-Leena Punamäki
- Department of Psychology, Faculty of Social Sciences, Tampere University, 33014 Tampere, Finland; (M.V.); (S.Y.D.); (R.-L.P.)
| | - Paola Manduca
- Association for Scientific Research, Nwrg-onlus, 16123 Genova, Italy
- Correspondence:
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Akdas S, Yazihan N. Cord blood zinc status effects on pregnancy outcomes and its relation with maternal serum zinc levels: a systematic review and meta-analysis. World J Pediatr 2020; 16:366-376. [PMID: 31446568 DOI: 10.1007/s12519-019-00305-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/06/2019] [Indexed: 01/11/2023]
Abstract
BACKGROUND The association between maternal and cord blood zinc level and pregnancy outcomes remains uncertain. The present study aims to assess whether maternal blood zinc level represents cord blood zinc level correctly. METHODS In this meta-analysis, systematic search was performed in PubMed, Web of Science, and Scopus databases for relevant available English articles which included mean and standard deviation values of cord blood zinc level up to April 2019. For the assessment of the relation between cord blood zinc level and pregnancy outcomes, the pooled standard mean difference with 95% confidence interval (CI) was used and 23 studies were analyzed. RESULTS Cumulative analysis showed that cord blood zinc level was found significantly decreased in pregnancies with complications compared with healthy pregnancy controls [REM: P = 0.0007, mean difference - 7.9 (- 12.48, - 3.31)]. For further analysis, maternal serum zinc level status was determined from same studies to compare with cord blood levels and subgroups were detected as "Preterm", "Preeclampsia", "Small for gestational age/Intrauterine growth restriction and Low birth weight". It was observed that cord blood zinc levels in subgroup analysis were also decreased and/or tend to be decreased compared to healthy pregnancies, except for preeclampsia subgroup. Also, a correlation was seen between cord blood and maternal blood zinc level status (R = 0.4365, 95% CI - 0.530, 0.756; P = 0.0351). CONCLUSION It was thought that cord blood zinc level might tend to decrease more than maternal serum zinc level in the pathological conditions during pregnancies.
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Affiliation(s)
- Sevginur Akdas
- Interdisciplinary Food, Metabolism and Clinical Nutrition Department, Institute of Health Sciences, Ankara University, Ankara, Turkey
| | - Nuray Yazihan
- Interdisciplinary Food, Metabolism and Clinical Nutrition Department, Institute of Health Sciences, Ankara University, Ankara, Turkey. .,Department of Pathophysiology, Internal Medicine Division, Faculty of Medicine, Ankara University, Ankara, Turkey.
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28
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Wijesekara GUS, Fernando DMS, Wijeratne S. The effects of Pb on sperm parameters and sperm DNA fragmentation of men investigated for infertility. J Basic Clin Physiol Pharmacol 2020; 31:/j/jbcpp.ahead-of-print/jbcpp-2019-0239/jbcpp-2019-0239.xml. [PMID: 32374284 DOI: 10.1515/jbcpp-2019-0239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 03/13/2020] [Indexed: 06/11/2023]
Abstract
Background Lead (Pb) is one of the metals most prevalent in the environment and is known to cause infertility and deoxyribonucleic acid (DNA) fragmentation. This study aimed to determine the association between seminal plasma Pb and sperm DNA fragmentation in men investigated for infertility. Methods Male partners (n = 300) of couples investigated for infertility were recruited after informed consent was obtained. Sperm parameters were assessed according to the World Health Organization (WHO) guidelines. Seminal plasma Pb was estimated by atomic absorption spectrophotometry after digestion with nitric acid. Results In Pb-positive and -negative groups the sperm parameters and sperm DNA fragmentation were compared using independent sample t-test and the Mann-Whitney U-test, respectively. The mean [standard deviation (SD)] age and duration of infertility were 34.8 (5.34) years and 45.7 (35.09) months, respectively, and the mean Pb concentration was 15.7 μg/dL. In Pb positives compared to Pb negatives the means (SD) of sperm count, progressive motility viability and normal morphology were lower (p > 0.05) but the DNA fragmentation was significantly higher 39.80% (25.08) than Pb negatives 22.65% (11.30). Seminal plasma Pb concentration and sperm DNA fragmentation had a positive correlation (r = 0.38, p = 0.03). A negative correlation was observed between sperm DNA fragmentation and sperm concentration, progressive motility, total motility and viability. When the DNA fragmentation was ≥30% sperm concentration and viability decreased (p < 0.05). Conclusions Pb in seminal plasma had a significant effect on sperm DNA fragmentation but not with other sperm parameters.
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Affiliation(s)
- G U S Wijesekara
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka, Phone: +94718031173
| | - D M S Fernando
- Department of Physiology, Faculty of Medical Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
| | - S Wijeratne
- Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
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Huang Y, Li X, Zhang W, Su W, Zhou A, Xu S, Li Y, Chen D. Aluminum Exposure and Gestational Diabetes Mellitus: Associations and Potential Mediation by n-6 Polyunsaturated Fatty Acids. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:5031-5040. [PMID: 32204592 DOI: 10.1021/acs.est.9b07180] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
As the earth's third most abundant element with various industrial applications, aluminum (Al) has received increasing concerns over its potential adverse health effects. Although Al exposure has been suggested to increase the risks of type 2 diabetes, little has been done to explore Al exposure in pregnant women and potential impact on the incidence of gestational diabetes mellitus (GDM). Our present study demonstrated positive associations between Al concentrations in maternal plasma collected in the first trimester of pregnancy and GDM risks (Ptrend < 0.001) based on a nested case-control study from Wuhan, China, including 305 GDM cases and 305 healthy controls. The highest tertile of plasma Al concentrations corresponded to an odds ratio of 4.03 (95% confidence interval: [2.14, 7.58]) relative to the lowest tertile, after the adjustment for established GDM risk factors and other plasma metals. We also observed significant correlations between plasma Al and several plasma polyunsaturated fatty acids (PUFA; e.g., linoleic acid 18:2 n-6) levels. In addition, mediation effects on the associations of Al exposure with GDM risks were observed for n-6 PUFAs (estimated mediation percentage: 48.3%) and total PUFAs (48.9%). Our study is not only by far the largest study of its kind to demonstrate maternal Al exposure and the association with GDM risks, but it also offers an insight into the potential mediation roles of n-6 PUFAs in an epidemiological setting. These findings contribute to a better understanding of perinatal Al exposure and GDM risks.
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Affiliation(s)
- Yichao Huang
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, Guangdong, China
| | - Xinping Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Wenxin Zhang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Weijie Su
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, Guangdong, China
| | - Aifen Zhou
- Wuhan Medical & Healthcare Center for Women and Children, Wuhan, Hubei 430015, China
| | - Shunqing Xu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Da Chen
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, Guangdong, China
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Selenium, Zinc, and Manganese Status in Pregnant Women and Its Relation to Maternal and Child Complications. Nutrients 2020; 12:nu12030725. [PMID: 32164189 PMCID: PMC7146474 DOI: 10.3390/nu12030725] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/03/2020] [Accepted: 03/06/2020] [Indexed: 11/21/2022] Open
Abstract
Micronutrients, as essential components of prenatal care, are important to reduce the risk for maternal and child morbidity and mortality by lowering pregnancy-related complications. The present study aimed to investigate the status of the trace elements, i.e., selenium, zinc, and manganese in pregnant and non-pregnant women from a developing country and to evaluate its relationship with maternal and child complications. Selenium, zinc, and manganese concentrations were measured in the blood serum of 80 pregnant women and compared with 40 non-pregnant healthy controls. The quantitative analyses of trace elements were performed by using the inductively coupled plasma–optical emission spectrometry (ICP-OES) method. The information about the dietary habits of the study participants was recorded by using a food frequency questionnaire. The results showed significant lower selenium and zinc levels in pregnant women as compared to the controls (2.26 ± 1.09 vs. 2.76 ± 1.15 µmol/L, p = 0.031; 21.86 ± 7.21 vs. 29.54 ± 7.62 µmol/L, p < 0.001) respectively, with no difference in manganese concentrations (1.40 ± 0.09 vs.1.38 ± 0.09 log10 nmol/L, p = 0.365). Regarding maternal and child complications, higher manganese levels were associated with an increased odds ratio for maternal complications (OR = 3.175, CI (95%) 1.631−6.181; p = 0.038). Consumption of dairy products was associated with lower selenium and manganese values. Pregnant women showed a lower serum selenium and zinc status, and in addition elevated serum manganese concentrations, which might be associated with a higher risk for maternal pregnancy/birth complications, although more studies are necessary to evaluate this association.
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Varshavsky J, Smith A, Wang A, Hom E, Izano M, Huang H, Padula A, Woodruff TJ. Heightened susceptibility: A review of how pregnancy and chemical exposures influence maternal health. Reprod Toxicol 2020; 92:14-56. [PMID: 31055053 PMCID: PMC6824944 DOI: 10.1016/j.reprotox.2019.04.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 03/12/2019] [Accepted: 04/22/2019] [Indexed: 12/19/2022]
Abstract
Pregnancy is a unique period when biological changes can increase sensitivity to chemical exposures. Pregnant women are exposed to multiple environmental chemicals via air, food, water, and consumer products, including flame retardants, plasticizers, and pesticides. Lead exposure increases risk of pregnancy-induced hypertensive disorders, although women's health risks are poorly characterized for most chemicals. Research on prenatal exposures has focused on fetal outcomes and less on maternal outcomes. We reviewed epidemiologic literature on chemical exposures during pregnancy and three maternal outcomes: preeclampsia, gestational diabetes, and breast cancer. We found that pregnancy can heighten susceptibility to environmental chemicals and women's health risks, although variations in study design and exposure assessment limited study comparability. Future research should include pregnancy as a critical period for women's health. Incorporating biomarkers of exposure and effect, deliberate timing and method of measurement, and consistent adjustment of potential confounders would strengthen research on the exposome and women's health.
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Affiliation(s)
- Julia Varshavsky
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA.
| | - Anna Smith
- University of California, Berkeley, School of Public Health, Berkeley, CA, USA
| | - Aolin Wang
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA; University of California, San Francisco, Bakar Computational Health Sciences Institute, San Francisco, CA, USA
| | - Elizabeth Hom
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA
| | - Monika Izano
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA
| | - Hongtai Huang
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA; University of California, San Francisco, Bakar Computational Health Sciences Institute, San Francisco, CA, USA
| | - Amy Padula
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA
| | - Tracey J Woodruff
- University of California, San Francisco, Program on Reproductive Health and the Environment, San Francisco, CA, USA
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Liu T, Zhang M, Guallar E, Wang G, Hong X, Wang X, Mueller NT. Trace Minerals, Heavy Metals, and Preeclampsia: Findings from the Boston Birth Cohort. J Am Heart Assoc 2019; 8:e012436. [PMID: 31426704 PMCID: PMC6759885 DOI: 10.1161/jaha.119.012436] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 06/26/2019] [Indexed: 12/12/2022]
Abstract
Background Preeclampsia is a leading contributor to maternal and perinatal morbidity and mortality. In mice experiments, manganese (Mn) and selenium (Se) are protective whereas cadmium (Cd) is promotive for preeclampsia. Epidemiologic findings on these chemical elements have been inconsistent. To confirm experimental findings in mice, we examined associations of trace minerals (Mn and Se) and heavy metals (Cd, lead [Pb], and mercury [Hg]) with preeclampsia in a birth cohort. Methods and Results A total of 1274 women from the Boston Birth Cohort (enrolled since 1998) had complete data on the exposures and outcome. We measured Mn, Se, Cd, Pb, and Hg from red blood cells collected within 24 to 72 hours after delivery. We ascertained preeclampsia diagnosis from medical records. We used Poisson regression with robust variance models to estimate prevalence ratios (PRs) and 95% CIs. A total of 115 (9.0%) women developed preeclampsia. We observed evidence of a dose-response trend for Mn (P for trend<0.001) and to some extent for Cd (P for trend=0.009) quintiles. After multivariable adjustment, a 1 SD increment in Mn was associated with 32% lower risk of developing preeclampsia (PR=0.68; 95% CI, 0.54-0.86), whereas a 1 SD increment in Cd was associated with 15% higher risk of preeclampsia (PR=1.15; 95% CI, 0.98-1.36). Null associations were observed for Se, Pb, and Hg. Conclusions Findings from our cohort, consistent with evidence from mice experiments and human studies, indicate that women with lower blood concentration of Mn or higher Cd are more likely to develop preeclampsia.
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Affiliation(s)
- Tiange Liu
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for Prevention, Epidemiology and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
| | - Mingyu Zhang
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | - Eliseo Guallar
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for Prevention, Epidemiology and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
| | - Guoying Wang
- Center on the Early Life Origins of DiseaseDepartment of Population, Family and Reproductive HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | - Xiumei Hong
- Center on the Early Life Origins of DiseaseDepartment of Population, Family and Reproductive HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
| | - Xiaobin Wang
- Center on the Early Life Origins of DiseaseDepartment of Population, Family and Reproductive HealthJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Division of General Pediatrics & Adolescent MedicineDepartment of PediatricsJohns Hopkins School of MedicineBaltimoreMD
| | - Noel T. Mueller
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for Prevention, Epidemiology and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
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Bommarito PA, Kim SS, Meeker JD, Fry RC, Cantonwine DE, McElrath TF, Ferguson KK. Urinary trace metals, maternal circulating angiogenic biomarkers, and preeclampsia: a single-contaminant and mixture-based approach. Environ Health 2019; 18:63. [PMID: 31300062 PMCID: PMC6624941 DOI: 10.1186/s12940-019-0503-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 07/02/2019] [Indexed: 05/08/2023]
Abstract
BACKGROUND Exposures to toxic metals and deficiencies in essential metals disrupt placentation and may contribute to preeclampsia. However, effects of exposure to combinations of metals remain unknown. OBJECTIVE We investigated the relationship between urinary trace metals, circulating angiogenic biomarkers, and preeclampsia using the LIFECODES birth cohort. METHODS Urine samples collected during pregnancy were analyzed for 17 trace metals and plasma samples were analyzed for soluble fms-like tyrosine-1 (sFlt-1) and placental growth factor (PlGF). Cox proportional hazard models were used to estimate the hazard ratios (HR) of preeclampsia associated with urinary trace metals. Linear regression models were used to estimate the relationship between urinary trace metals and angiogenic biomarkers. Principal components analysis (PCA) was used to identify groups of metals and interactions between principal components (PCs) loaded by toxic and essential metals were examined. RESULTS In single-contaminant models, several toxic and essential metals were associated with lower PlGF and higher sFlt-1/PlGF ratio. Detection of urinary chromium was associated with preeclampsia: HR (95% Confidence Interval [CI]) = 3.48 (1.02, 11.8) and an IQR-increase in urinary selenium was associated with reduced risk of preeclampsia (HR: 0.28, 95% CI: 0.08, 0.94). Using PCA, 3 PCs were identified, characterized by essential metals (PC1), toxic metals (PC2), and seafood-associated metals (PC3). PC1 and PC2 were associated with lower PlGF levels, but not preeclampsia risk in the overall cohort. CONCLUSIONS Trace urinary metals may be associated with adverse profiles of angiogenic biomarkers and preeclampsia.
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Affiliation(s)
- Paige A. Bommarito
- Environmental Science and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, 135 Dauer Drive, Chapel Hill, NC 27599 USA
| | - Stephani S. Kim
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, 111 T. W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - John D. Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109 USA
| | - Rebecca C. Fry
- Environmental Science and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, 135 Dauer Drive, Chapel Hill, NC 27599 USA
- Curriculum in Toxicology, School of Medicine, University of North Carolina at Chapel Hill, 104 Mason Farm Road, Chapel Hill, NC 27599 USA
| | - David E. Cantonwine
- Division of Maternal-Fetal Medicine, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA
| | - Thomas F. McElrath
- Division of Maternal-Fetal Medicine, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115 USA
| | - Kelly K. Ferguson
- Epidemiology Branch, Division of Intramural Research, National Institute of Environmental Health Sciences, 111 T. W. Alexander Drive, Research Triangle Park, NC 27709 USA
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109 USA
- Curriculum in Toxicology, School of Medicine, University of North Carolina at Chapel Hill, 104 Mason Farm Road, Chapel Hill, NC 27599 USA
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Li A, Zhuang T, Shi J, Liang Y, Song M. Heavy metals in maternal and cord blood in Beijing and their efficiency of placental transfer. J Environ Sci (China) 2019; 80:99-106. [PMID: 30952357 DOI: 10.1016/j.jes.2018.11.004] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 06/09/2023]
Abstract
This study aimed to determine the effect of exposure to heavy metals in pregnant women in Beijing, China. We also evaluated the association of these heavy metals with birth weight and length of newborns. We measured the levels of 10 heavy metals, including lead (Pb), titanium (Ti), manganese (Mn), nickel (Ni), cadmium (Cd), chromium (Cr), antimony (Sb), stannum (Sn), vanadium (V), and arsenic (As), in 156 maternal and cord blood pairs. An inductively coupled plasma mass spectrometry method was used for measurement. Pb, As, Ti, Mn, and Sb showed high detection rates (>50%) in both maternal and cord blood. Fourteen (9%) mothers had blood Pb levels greater than the United States Center for Disease Control allowable threshold limit for children (50 μg/L). In prenatal exposure to these heavy metals, there was no significant association between any heavy metal and birth weight/length. Moreover, we estimated the placental transfer efficiency of each heavy metal, and the median placental transfer efficiency ranged from 49.6% (Ni) to 194% (Mn) (except for Cd and Sn). The level and detection rate of Cd in maternal blood were much higher than that in cord blood, which suggested that Cd had difficulty in passing the placental barrier. Prospective research should focus on the source and risk of heavy metals in non-occupationally exposed pregnant women in Beijing.
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Affiliation(s)
- Aijing Li
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China; Key Laboratory of Environmental Nanotechnology and Health Effects, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Taifeng Zhuang
- Department of Pediatrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Jianbo Shi
- Key Laboratory of Environmental Nanotechnology and Health Effects, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yong Liang
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Maoyong Song
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China; Key Laboratory of Environmental Nanotechnology and Health Effects, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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35
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Mohammadyan M, Moosazadeh M, Borji A, Khanjani N, Rahimi Moghadam S. Investigation of occupational exposure to lead and its relation with blood lead levels in electrical solderers. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:126. [PMID: 30715599 DOI: 10.1007/s10661-019-7258-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 01/22/2019] [Indexed: 06/09/2023]
Abstract
Occupational exposure to lead compounds can cause headache, nausea, encephalopathy, anemia, chronic muscle pain, and saturnism. Exposure to lead in women can affect fertility, and cause abortion or low IQ in the offspring. The aim of this study was to investigate occupational exposure to lead and its relation with blood lead levels in female electrical parts solderers. This cross-sectional (descriptive and analytical) study was carried out on 40 female solderers, working in two electrical parts manufacturing factories in Neyshabur city in 2017-2018. Occupational exposure to lead was determined by the OSHA 121 method, and the NIOSH 8003 method was used to determine the concentration of lead in blood. Lead in blood and air samples were determined by using a flame atomic absorption analyzer. Blood was measured using a Cell Dyn Hematology device. Data were analyzed using STATA 15. The mean age of the solderers was 35.42 ± 6.80 years, and their average work experience was 7.85 ± 5.60 years. Mean occupational exposure to lead was 0.09 ± 0.01 mg/m3, and the mean levels of lead in the blood of solderers were 10.59 ± 3.25 μg/dL. The mean of red blood cells (RBC) was 4.88 mil/uL, white blood cells (WBC) = 8.53 Tho/uL, hemoglobin = 14.02 g/dL, and hematocrit = 42.38%. There was a significant correlation between the concentrations of lead in air and the level of lead in workers' blood (p = 0.012, r = 0.31). The level of lead in the workers' respiratory region (β = 0.36, p = 0.033), body mass index (β = 0.25, p = 0.028), and the season of the year (β = 0.21, p = 0.019) were the strongest factors affecting blood lead levels. There was a significant relation between lead in workers' air and their blood, although all blood indices were in normal range. Using lead-free alloys and local ventilation systems, and reducing exposure times are recommended to decrease exposure to lead among solderers.
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Affiliation(s)
- Mahmoud Mohammadyan
- Health Science Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mahmood Moosazadeh
- Health Science Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abasalt Borji
- Basic Science Department, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Narges Khanjani
- Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Somayeh Rahimi Moghadam
- Health Sciences Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Mazandaran, Iran.
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36
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Wang F, Fan F, Wang L, Ye W, Zhang Q, Xie S. Maternal Cadmium Levels During Pregnancy and the Relationship with Preeclampsia and Fetal Biometric Parameters. Biol Trace Elem Res 2018; 186:322-329. [PMID: 29651732 DOI: 10.1007/s12011-018-1312-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 03/18/2018] [Indexed: 12/11/2022]
Abstract
Preeclampsia, which is caused by multiple factors, still remains one of the most serious complications of pregnancy. This study was designed to determine cadmium levels in women with preeclampsia compared to those of normotensive women. In this case-control study, maternal blood, umbilical cord blood, and placental cadmium levels were measured by an inductively coupled plasma mass spectrometry system in 51 women presenting consecutively with preeclampsia and 51 normotensive pregnant women. Groups were matched for maternal age, parity, and gestational age. Birth outcomes were recorded, such as gestational age at delivery, birth weight, and Apgar score. Median (interquartile range [IQR]) blood cadmium concentration was 1.21 μg/L (0.76-1.84 μg/L) and 1.09 μg/L (0.72-1.31 μg/L) in women with preeclampsia and normotensive, respectively; values for placental cadmium levels of women with preeclampsia and normotensive were 3.61 μg/kg (2.19-4.37 μg/kg) and 4.28 μg/kg (3.06-5.71 μg/kg), respectively. We observed a statistically significant increase in blood and placental cadmium levels in women with preeclampsia compared to healthy pregnant women. After adjusting for pre-pregnancy body mass index, maternal age, parity, gestational age at sample collection, and maternal calcium and magnesium levels, the odds ratio of having preeclampsia in the high tertile was markedly increased (odds ratio, 7.83 [95% CI, 1.64-37.26]) compared with the low tertile. Interestingly, there was no difference in the cadmium level in umbilical cord blood between the groups. Within the preeclamptic group, higher cadmium status was significantly associated with decreased birth weight. Our study suggested that elevated cadmium level in the maternal circulation could potentially increase the risk of preeclampsia. The results also demonstrate that higher cadmium status may contribute to fetal growth restriction in preeclamptic patients.
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Affiliation(s)
- Fan Wang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Fengyun Fan
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Lianyun Wang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Wen Ye
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Qiong Zhang
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Shuangshuang Xie
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
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Mahmoudi N, Latifi AM, Amani MA, Masoumbeigi H, Ghanizadeh G. Data on the environmental exposure to lead in Iran. Data Brief 2018; 20:1133-1141. [PMID: 30225326 PMCID: PMC6139886 DOI: 10.1016/j.dib.2018.08.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 08/14/2018] [Accepted: 08/22/2018] [Indexed: 10/28/2022] Open
Abstract
The data was obtained to present the environmental and occupational exposure to lead in Iranian populations based on the published articles. To acquire the data, online resources including Google Scholar, Magiran, SID, Iranmedex, PubMed, and Science Direct were searched and 104 articles were found out of which 70 that focused on the level of lead in blood, urine, milk, and hair of different Iranian populations were selected. Since the results of the studies were not homogenous, it was not possible to carry out a meta-analysis. The average blood lead level (BLL) among workers, ordinary people, patients with specific diseases, addicts, and pregnant women, women in labor, infants, and children are presented in this article. The average BLL was compared to the standards.
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Affiliation(s)
- Norouz Mahmoudi
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.,Health Research Center, Life style Institute, Baqiyatallah University of Medical Sciences, Tehran
| | - Ali Mohammad Latifi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Amani
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hossein Masoumbeigi
- Health Research Center, Life style Institute, Baqiyatallah University of Medical Sciences, Tehran
| | - Ghader Ghanizadeh
- Health Research Center, Life style Institute, Baqiyatallah University of Medical Sciences, Tehran
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Togno-Peirce C, Limón-Morales O, Montes-López S, Rojas-Castañeda J, Márquez-Aguiluz D, Bonilla-Jaime H, Arteaga-Silva M. Pleiotropic Effects of Cadmium Toxicity on the Neuroendocrine-Immune Network. ACTA ACUST UNITED AC 2018. [DOI: 10.3233/nib-180138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Cristián Togno-Peirce
- Department of Biology of Reproduction, DCBS, The Metropolitan Autonomous University-Iztapalapa, Mexico City, Mexico
| | - Ofelia Limón-Morales
- Department of Biology of Reproduction, DCBS, The Metropolitan Autonomous University-Iztapalapa, Mexico City, Mexico
| | - Sergio Montes-López
- Department of Neurochemistry, National Institute of Neurology and Neurosurgery “Dr. Manuel Velasco Suarez”, Mexico City, Mexico
| | | | - Darla Márquez-Aguiluz
- Department of Biology of Reproduction, DCBS, The Metropolitan Autonomous University-Iztapalapa, Mexico City, Mexico
| | - Herlinda Bonilla-Jaime
- Department of Biology of Reproduction, DCBS, The Metropolitan Autonomous University-Iztapalapa, Mexico City, Mexico
| | - Marcela Arteaga-Silva
- Department of Biology of Reproduction, DCBS, The Metropolitan Autonomous University-Iztapalapa, Mexico City, Mexico
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Matsukawa T, Yokoyama K, Vigeh M, Nishioka E. [Effects of Trace Environmental Chemicals on Child Health-Lead as an Example]. Nihon Eiseigaku Zasshi 2018; 73:210-214. [PMID: 29848873 DOI: 10.1265/jjh.73.210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The low birthrate and aging population of Japan are entering a serious phase. As measures against the declining birthrate, improvement of the environment is promoted to support childbirth and child-rearing, but even if the birthrate increases in the future, it will take time before the effect is observed as an increase in the population. As the number of children and young people is decreasing, in order to maintain a wealthy and sustainable society, we should create an environment wherein each child can grow healthily and demonstrate sufficient abilities in participating in society. The authors have been studying the influence of exposure to environmental chemical substances on the development of children. Lead is especially considered to impair neurological development even at low concentrations of exposure. In this paper, using lead as an example, we discuss risk assessment and countermeasures for the health effects of trace chemical substances on a society with a declining birthrate. Substances that show neurotoxicity increase social costs even at low concentrations of exposure. To preserve and promote social vitality in Japan despite the declining birthrate and aging population, it is essential that measures are taken on the basis of scientifically reasonable cost/benefit assessment. For this purpose, we think that it is necessary to analyze costs and benefits in addition to the risk assessment of low concentrations of chemical substances.
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Affiliation(s)
- Takehisa Matsukawa
- Department of Epidemiology and Environmental Health, Juntendo University Graduate School of Medicine
| | - Kazuhito Yokoyama
- Department of Epidemiology and Environmental Health, Juntendo University Graduate School of Medicine
| | - Mohsen Vigeh
- Department of Epidemiology and Environmental Health, Juntendo University Graduate School of Medicine.,Maternal, Fetal and Neonatal Research Center, Imam Khomeini Hospital, Tehran University of Medical Sciences
| | - Emiko Nishioka
- Department of Epidemiology and Environmental Health, Juntendo University Graduate School of Medicine.,Department of Maternal Nursing, Division of Nursing, National Defense Medical College
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Huang S, Xia W, Sheng X, Qiu L, Zhang B, Chen T, Xu S, Li Y. Maternal lead exposure and premature rupture of membranes: a birth cohort study in China. BMJ Open 2018; 8:e021565. [PMID: 30037873 PMCID: PMC6059302 DOI: 10.1136/bmjopen-2018-021565] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES Maternal exposure to lead (Pb) has been suggested to correlate with adverse birth outcomes, but evidence supporting an association between Pb exposure and premature rupture of membranes (PROM) is limited. The aim of our study was to investigate whether maternal Pb exposure was associated with PROM and preterm PROM. DESIGN Cross-sectional cohort study. STUDY POPULATION The present study involved 7290 pregnant women from the Healthy Baby Cohort in Wuhan, China, during 2012-2014. MAIN OUTCOME MEASURES PROM was defined as spontaneous rupture of amniotic membranes before the onset of labour and was determined with a pH ≥6.5 for vaginal fluid. Maternal urinary Pb level was adjusted by creatinine concentration, and its relationship with PROM was analysed by logistic regression. RESULTS The IQR of maternal urinary Pb concentrations of the study population was 2.30-5.64 µg/g creatinine with a median of 3.44 µg/g creatinine. Increased risk of PROM was significantly associated with elevated levels of Pb in maternal urine (adjusted OR 1.23, 95% CI 1.0 to 1.47 for the medium tertile; adjusted OR 1.51, 95% CI 1.27 to 1.80 for the highest tertile). The risk of preterm PROM associated with Pb levels was significantly higher when compared with the lowest tertile (adjusted OR 1.24, 95% CI 0.80 to 1.92 for the medium tertile; adjusted OR 1.73, 95% CI 1.15 to 2.60 for the highest tertile). In addition, the relationship between Pb and PROM was more pronounced among primiparous women than multiparous women (p for interaction <0.01). CONCLUSIONS Our study found that higher levels of maternal Pb exposure was associated with increased risk of PROM, indicating that exposure to Pb during pregnancy may be an important risk factor for PROM.
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Affiliation(s)
- Sha Huang
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Xia
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xia Sheng
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Qiu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bin Zhang
- Healthcare Department, Wuhan Medical and Health Center for Women and Children, Wuhan, China
| | - Tian Chen
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shunqing Xu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Poropat AE, Laidlaw MAS, Lanphear B, Ball A, Mielke HW. Blood lead and preeclampsia: A meta-analysis and review of implications. ENVIRONMENTAL RESEARCH 2018; 160:12-19. [PMID: 28938191 DOI: 10.1016/j.envres.2017.09.014] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 08/18/2017] [Accepted: 09/08/2017] [Indexed: 05/02/2023]
Abstract
BACKGROUND Multiple cross-sectional studies suggest that there is an association between blood lead and preeclampsia. OBJECTIVES We performed a systematic review and meta-analysis to summarize information on the association between preeclampsia and lead poisoning. METHODS Searches of Medline, Web of Science, Scopus, Pubmed, Science Direct and ProQuest (dissertations and theses) identified 2089 reports, 46 of which were downloaded after reviewing the abstracts, and 11 studies were evaluated as meeting the selection criteria. Evaluation using the ROBINS-I template (Sterne, et al., 2016), indicated moderate risk of bias in all studies. RESULTS We found that blood lead concentrations were significantly and substantially associated with preeclampsia (k = 12; N = 6069; Cohen's d = 1.26; odds ratio = 9.81; odds ratio LCL = 8.01; odds ratio UCL = 12.02; p = 0.005). Eliminating one study produced a homogeneous meta-analysis and stronger estimates, despite the remaining studies coming from eight separate countries and having countervailing risks of bias. CONCLUSIONS Blood lead concentrations in pregnant women are a major risk factor for preeclampsia, with an increase of 1μg/dL associated with a 1.6% increase in likelihood of preeclampsia, which appears to be the strongest risk factor for preeclampsia yet reported. Pregnant women with historical lead exposure should routinely have blood lead concentrations tested, especially after mid-term. Women with concentrations higher than 5μg/dL should be actively monitored for preeclampsia and be advised to take prophylactic calcium supplementation. All pregnant women should be advised to actively avoid lead exposure.
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Affiliation(s)
- Arthur E Poropat
- Griffith University - School of Applied Psychology, Brisbane, Australia
| | - Mark A S Laidlaw
- RMIT University - Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, Bundoora, Victoria, Australia.
| | - Bruce Lanphear
- Simon Fraser University - Faculty of Health Sciences, Vancouver, British Columbia, Canada
| | - Andrew Ball
- RMIT University - Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, Bundoora, Victoria, Australia
| | - Howard W Mielke
- Tulane University - Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, USA
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Rosen EM, Muñoz MI, McElrath T, Cantonwine DE, Ferguson KK. Environmental contaminants and preeclampsia: a systematic literature review. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2018; 21:291-319. [PMID: 30582407 PMCID: PMC6374047 DOI: 10.1080/10937404.2018.1554515] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Preeclampsia is a medical condition specific to pregnancy characterized by high blood pressure and protein in the woman's urine, indicating kidney damage. It is one of the most serious reproductive conditions, posing substantial risks to the baby and potentially fatal for the mother. The causes of preeclampsia are largely unknown and environmental contaminants merit further investigation. The aim of this review was to determine the association between environmental chemical exposures and preeclampsia. PubMed was searched for articles examining a priori chemical exposures and preeclampsia through April 2018. Studies were included in our review if they included at least 10 cases, evaluated preeclampsia independent of gestational hypertension, and used either measured or modeled exposure assessments. Our review contained 28 investigations examining persistent organic pollutants (POP) (6 studies), drinking water contaminants (1 study), atmospheric pollutants (11 studies), metals and metalloids (6 studies), and other environmental contaminants (4 studies). There were an insufficient number of investigations on most chemicals to draw definitive conclusions, but strong evidence existed for an association between preeclampsia and cadmium (Cd). There is suggestive evidence for associations between nitrogen dioxide (NO2), particulate matter (PM)2.5, and traffic exposure with preeclampsia. There is evidence for an association between preeclampsia and Cd but insufficient literature to evaluate many other environmental chemicals. Additional studies using repeated measures, appropriate biological matrices, and mixtures methods are needed to expand this area of research and address the limitations of previous studies.
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Affiliation(s)
- Emma M Rosen
- a Epidemiology Branch , National Institute of Environmental Health Sciences, Research Triangle Park , NC , USA
| | - Mg Isabel Muñoz
- a Epidemiology Branch , National Institute of Environmental Health Sciences, Research Triangle Park , NC , USA
| | - Thomas McElrath
- b Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology , Brigham and Women's Hospital , Boston , MA , USA
| | - David E Cantonwine
- b Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology , Brigham and Women's Hospital , Boston , MA , USA
| | - Kelly K Ferguson
- a Epidemiology Branch , National Institute of Environmental Health Sciences, Research Triangle Park , NC , USA
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La-Llave-León O, Méndez-Hernández EM, Castellanos-Juárez FX, Esquivel-Rodríguez E, Vázquez-Alaniz F, Sandoval-Carrillo A, García-Vargas G, Duarte-Sustaita J, Candelas-Rangel JL, Salas-Pacheco JM. Association between Blood Lead Levels and Delta-Aminolevulinic Acid Dehydratase in Pregnant Women. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14040432. [PMID: 28420209 PMCID: PMC5409633 DOI: 10.3390/ijerph14040432] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/06/2017] [Accepted: 04/12/2017] [Indexed: 01/08/2023]
Abstract
Blood lead levels (BLLs) and delta-aminolevulinic acid dehydratase (ALAD) activity are considered biomarkers of lead exposure and lead toxicity, respectively. The present study was designed to investigate the association between BLLs and ALAD activity in pregnant women from Durango, Mexico. A total of 633 pregnant women aged 13–43 years participated in this study. Blood lead was measured by a graphite furnace atomic absorption spectrometer. ALAD activity was measured spectrophotometrically. Mean blood lead was 2.09 ± 2.34 µg/dL; and 26 women (4.1%) crossed the Centers for Disease Control (CDC) recommended level of 5 µg/dL. ALAD activity was significantly lower in women with levels of lead ≥5 µg/dL compared to those with BLLs < 5 µg/dL (p = 0.002). To reduce the influence of extreme values on the statistical analysis, BLLs were analyzed by quartiles. A significant negative correlation between blood lead and ALAD activity was observed in the fourth quartile of BLLs (r = −0.113; p < 0.01). Among women with blood lead concentrations ≥2.2 µg/dL ALAD activity was negatively correlated with BLLs (r = −0.413; p < 0.01). Multiple linear regression demonstrated that inhibition of ALAD in pregnant women may occur at levels of lead in blood above 2.2 µg/dL.
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Affiliation(s)
- Osmel La-Llave-León
- Institute of Scientific Research, Juarez University of the State of Durango, AV. Universidad y Fanny Anitua s/n. Col. Centro, C. P. 34000 Durango, Mexico.
| | - Edna M Méndez-Hernández
- Institute of Scientific Research, Juarez University of the State of Durango, AV. Universidad y Fanny Anitua s/n. Col. Centro, C. P. 34000 Durango, Mexico.
| | - Francisco X Castellanos-Juárez
- Institute of Scientific Research, Juarez University of the State of Durango, AV. Universidad y Fanny Anitua s/n. Col. Centro, C. P. 34000 Durango, Mexico.
| | - Eloísa Esquivel-Rodríguez
- Faculty of Nursing and Midwifery, Juarez University of the State of Durango, Cuauhtemoc, 223 North, Col. Centro, C. P. 34000 Durango, Mexico.
| | | | - Ada Sandoval-Carrillo
- Institute of Scientific Research, Juarez University of the State of Durango, AV. Universidad y Fanny Anitua s/n. Col. Centro, C. P. 34000 Durango, Mexico.
| | - Gonzalo García-Vargas
- Faculty of Health Sciences, Juarez University of the State of Durango, Gomez Palacio la Salle 1 y Sixto Ugalde, s/n, Col. Revolucion, C. P. 35050 Gomez Palacio, Durango, Mexico.
| | - Jaime Duarte-Sustaita
- Faculty of Health Sciences, Juarez University of the State of Durango, Gomez Palacio la Salle 1 y Sixto Ugalde, s/n, Col. Revolucion, C. P. 35050 Gomez Palacio, Durango, Mexico.
| | - Jorge L Candelas-Rangel
- Faculty of Health Sciences, Juarez University of the State of Durango, Gomez Palacio la Salle 1 y Sixto Ugalde, s/n, Col. Revolucion, C. P. 35050 Gomez Palacio, Durango, Mexico.
| | - José M Salas-Pacheco
- Institute of Scientific Research, Juarez University of the State of Durango, AV. Universidad y Fanny Anitua s/n. Col. Centro, C. P. 34000 Durango, Mexico.
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Wells EM, Herbstman JB, Lin YH, Hibbeln JR, Halden RU, Witter FR, Goldman LR. Methyl mercury, but not inorganic mercury, associated with higher blood pressure during pregnancy. ENVIRONMENTAL RESEARCH 2017; 154:247-252. [PMID: 28110211 PMCID: PMC5328834 DOI: 10.1016/j.envres.2017.01.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 12/16/2016] [Accepted: 01/12/2017] [Indexed: 05/19/2023]
Abstract
Prior studies addressing associations between mercury and blood pressure have produced inconsistent findings; some of this may result from measuring total instead of speciated mercury. This cross-sectional study of 263 pregnant women assessed total mercury, speciated mercury, selenium, and n-3 polyunsaturated fatty acids in umbilical cord blood and blood pressure during labor and delivery. Models with a) total mercury or b) methyl and inorganic mercury were evaluated. Regression models adjusted for maternal age, race/ethnicity, prepregnancy body mass index, neighborhood income, parity, smoking, n-3 fatty acids and selenium. Geometric mean total, methyl, and inorganic mercury concentrations were 1.40µg/L (95% confidence interval: 1.29, 1.52); 0.95µg/L (0.84, 1.07); and 0.13µg/L (0.10, 0.17), respectively. Elevated systolic BP, diastolic BP, and pulse pressure were found, respectively, in 11.4%, 6.8%, and 19.8% of mothers. In adjusted multivariable models, a one-tertile increase of methyl mercury was associated with 2.83mmHg (0.17, 5.50) higher systolic blood pressure and 2.99mmHg (0.91, 5.08) higher pulse pressure. In the same models, an increase of one tertile of inorganic mercury was associated with -1.18mmHg (-3.72, 1.35) lower systolic blood pressure and -2.51mmHg (-4.49, -0.53) lower pulse pressure. No associations were observed with diastolic pressure. There was a non-significant trend of higher total mercury with higher systolic blood pressure. We observed a significant association of higher methyl mercury with higher systolic and pulse pressure, yet higher inorganic mercury was significantly associated with lower pulse pressure. These results should be confirmed with larger, longitudinal studies.
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Affiliation(s)
- Ellen M Wells
- School of Health Sciences, Purdue University, West Lafayette, IN, USA.
| | - Julie B Herbstman
- Columbia Center for Children's Environmental Health, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Yu Hong Lin
- National Institute of Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD, USA
| | - Joseph R Hibbeln
- National Institute of Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD, USA
| | - Rolf U Halden
- Center for Environmental Security, Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Frank R Witter
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lynn R Goldman
- Milken Institute School of Public Health, George Washington University, Washington, DC, USA
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Ambient PM2.5 Aluminum and Elemental Carbon and Placental Abruption Morbidity. J Occup Environ Med 2017; 59:148-153. [DOI: 10.1097/jom.0000000000000927] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kashanian M, Hadizadeh H, Faghankhani M, Nazemi M, Sheikhansari N. Evaluating the effects of copper supplement during pregnancy on premature rupture of membranes and pregnancy outcome. J Matern Fetal Neonatal Med 2017; 31:39-46. [PMID: 28002986 DOI: 10.1080/14767058.2016.1274299] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To evaluate the effects of copper (Cu) supplementation during pregnancy on the rupture of membranes and pregnancy outcomes. METHODS Study was conducted as a triple-blind randomized clinical trial. In one group, Cu in a dose of 1000 mg per day, and in the other group, placebo was prescribed orally from 16th week of pregnancy. RESULTS The women of the two groups did not have significant difference according to age, gestational age at recruitment, BMI, and socioeconomic conditions. There was no statistically significant difference between case and control group regarding the incidence of PPROM, PROM, preterm labor, vaginal bleeding during pregnancy, preeclampsia, and the incidence of placenta abruption. There was a 75% and 90% decrease in depressive symptoms in 2nd trimester and 3rd trimester in supplemented group, respectively. Also, there was a 45% and 80% decrease in anxiety symptoms in 2nd trimester and 3rd trimester in the supplemented group, respectively The rate of infection during pregnancy was significantly higher in control group (p = 0.046). There was no difference between the two groups according to neonatal outcomes. CONCLUSIONS Cu supplementation during pregnancy could not influence positively on ROM; however, it could improve some mood status of the women.
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Affiliation(s)
- Maryam Kashanian
- a Department of Obstetrics & Gynecology, Akbarabadi Teaching Hospital , Iran University of Medical Sciences , Tehran , Iran
| | - Hasti Hadizadeh
- b Medical Student Research Committee (MSRC), Faculty of Medicine, Iran University of Medical Sciences , Tehran , Iran
| | | | - Mitra Nazemi
- d Social Security Organization , Bahman Hospital , Tehran , Iran
| | - Narges Sheikhansari
- e Student of Public Health, Faculty of Medicine , University of Southampton , Southampton , UK
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La-Llave-León O, Salas Pacheco JM, Estrada Martínez S, Esquivel Rodríguez E, Castellanos Juárez FX, Sandoval Carrillo A, Lechuga Quiñones AM, Vázquez Alanís F, García Vargas G, Méndez Hernández EM, Duarte Sustaita J. The relationship between blood lead levels and occupational exposure in a pregnant population. BMC Public Health 2016; 16:1231. [PMID: 27927239 PMCID: PMC5142354 DOI: 10.1186/s12889-016-3902-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 12/02/2016] [Indexed: 11/10/2022] Open
Abstract
Background Pregnant women exposed to lead are at risk of suffering reproductive damages, such as miscarriage, preeclampsia, premature delivery and low birth weight. Despite that the workplace offers the greatest potential for lead exposure, there is relatively little information about occupational exposure to lead during pregnancy. This study aims to assess the association between blood lead levels and occupational exposure in pregnant women from Durango, Mexico. Methods A cross-sectional study was carried out in a population of 299 pregnant women. Blood lead was measured in 31 women who worked in jobs where lead is used (exposed group) and 268 who did not work in those places (control group). Chi-square test was applied to compare exposed and control groups with regard to blood lead levels. Odds ratio (OR) and 95% confidence intervals (CI) were calculated. Multivariable regression analysis was applied to determine significant predictors of blood lead concentrations in the exposed group. Results Exposed women had higher blood lead levels than those in the control group (4.00 ± 4.08 μg/dL vs 2.65 ± 1.75 μg/dL, p = 0.002). Furthermore, women in the exposed group had 3.82 times higher probability of having blood lead levels ≥ 5 μg/dL than those in the control group. Wearing of special workwear, changing clothes after work, living near a painting store, printing office, junkyard or rubbish dump, and washing the workwear together with other clothes resulted as significant predictors of elevated blood lead levels in the exposed group. Conclusions Pregnant working women may be at risk of lead poisoning because of occupational and environmental exposure. The risk increases if they do not improve the use of protective equipment and their personal hygiene. Electronic supplementary material The online version of this article (doi:10.1186/s12889-016-3902-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Osmel La-Llave-León
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico.
| | - José Manuel Salas Pacheco
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | - Sergio Estrada Martínez
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | - Eloísa Esquivel Rodríguez
- Facultad de Enfermería y Obstetricia, Universidad Juárez del Estado de Durango, Ave. Cuauhtémoc, 223 norte, CP 34 000, Durango, Mexico
| | - Francisco X Castellanos Juárez
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | - Ada Sandoval Carrillo
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | - Angélica María Lechuga Quiñones
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | | | - Gonzalo García Vargas
- Facultad de Medicina de Gómez Palacio, Universidad Juárez del Estado de Durango, La Salle 1 y Sixto Ugalde, S/N. Col. Revolución, CP. 35050, Gómez Palacio, Durango, Mexico
| | - Edna Madai Méndez Hernández
- Instituto de Investigación Científica, Universidad Juárez del Estado de Durango, Avenida Universidad esq. con Volantín, Zona Centro, C.P. 34000, Durango, DGO, Mexico
| | - Jaime Duarte Sustaita
- Facultad de Medicina de Gómez Palacio, Universidad Juárez del Estado de Durango, La Salle 1 y Sixto Ugalde, S/N. Col. Revolución, CP. 35050, Gómez Palacio, Durango, Mexico
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Tavakkoli L, Khanjani N. Environmental and occupational exposure to cadmium in Iran: a systematic review. REVIEWS ON ENVIRONMENTAL HEALTH 2016; 31:457-463. [PMID: 27902453 DOI: 10.1515/reveh-2016-0042] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Cadmium (Cd) is one of the heavy metals that have negative effects on human health. In Iran, there is no policy to regularly measure Cd in the general population. However, some studies have been performed on special groups and in different cities of Iran. This paper has reviewed these studies and human contamination levels in Iran. METHOD AND MATERIALS All accessible electronic information resources such as Scientific Information Database (SID), Magiran, IranMedex, PubMed, Web of Knowledge, Google Scholar and Science Direct were searched, with relevant phrases and their Persian translations. The search included all studies conducted in Iran and listed in the databases until March 15, 2016. RESULTS Eventually, 18 articles were selected from 25 retrieved articles. Cd was higher among industrial workers exposed to Cd. In the general population, Cd was higher among smokers and in people with environmental exposure from living in industrial areas. CONCLUSION Considering the high Cd contamination in the workers of industries, it seems to be necessary to do surveillance in this group through periodic regular check-ups and avoiding unnecessary exposure to Cd as much as possible. Also due to the high concentration of Cd in smokers, there should be more awareness of the damaging effects of smoking, especially among pregnant women, and more attention to local industries, especially those dealing with Cd, is necessary. These industries should be kept at a safe distance from residential areas.
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Choi R, Sun J, Yoo H, Kim S, Cho YY, Kim HJ, Kim SW, Chung JH, Oh SY, Lee SY. A Prospective Study of Serum Trace Elements in Healthy Korean Pregnant Women. Nutrients 2016; 8:nu8110749. [PMID: 27886083 PMCID: PMC5133131 DOI: 10.3390/nu8110749] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 11/16/2016] [Accepted: 11/17/2016] [Indexed: 01/22/2023] Open
Abstract
This prospective study sought to investigate serum levels of trace elements (cobalt, copper, zinc, and selenium) and to assess their effects on pregnancy and neonatal outcomes. Serum levels of trace elements in 245 Korean pregnant women (median gestational age at delivery was 39 + 4 weeks and interquartile range was 38 + 4–40 + 1 weeks) were compared with those of 527 general adults and those of previous studies in other ethnic groups. Pregnancy and neonatal outcomes including gestational diabetes, preeclampsia, neonatal birth weight, and congenital abnormalities were assessed. The median serum trace element concentrations of all pregnant women were: cobalt: 0.39 μg/L (interquartile range, IQR 0.29–0.53), copper: 165.0 μg/dL (IQR 144.0–187.0), zinc: 57.0 μg/dL (IQR 50.0–64.0), and selenium: 94.0 μg/L (IQR 87.0–101.0). Serum cobalt and copper concentrations were higher in pregnant women than in the general population, whereas zinc and selenium levels were lower (p < 0.01). Concentrations of all four trace elements varied significantly during the three trimesters (p < 0.05), and seasonal variation was found in copper, zinc, and selenium, but was not observed for cobalt. The prevalence of preeclampsia was significantly lower with high copper (p = 0.03). Trace element levels varied by pregnancy trimester and season, and alteration in copper status during pregnancy might influence pregnancy outcomes such as preeclampsia.
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Affiliation(s)
- Rihwa Choi
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Jiyu Sun
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Heejin Yoo
- Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Seonwoo Kim
- Statistics and Dater Center, Samsung Biomedical Research Institute, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Yoon Young Cho
- Division of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Hye Jeong Kim
- Division of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Sun Wook Kim
- Division of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Jae Hoon Chung
- Division of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Soo-Young Oh
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
| | - Soo-Youn Lee
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
- Department of Clinical Pharmacology & Therapeutics, Samsung Medical Center, 81 Irwon-Ro, Gangnam-Gu, Seoul 06351, Korea.
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Olszowski T, Baranowska-Bosiacka I, Rębacz-Maron E, Gutowska I, Jamioł D, Prokopowicz A, Goschorska M, Chlubek D. Cadmium Concentration in Mother's Blood, Milk, and Newborn's Blood and Its Correlation with Fatty Acids, Anthropometric Characteristics, and Mother's Smoking Status. Biol Trace Elem Res 2016; 174:8-20. [PMID: 27040674 DOI: 10.1007/s12011-016-0683-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/20/2016] [Indexed: 12/27/2022]
Abstract
The aim of this study was to determine cadmium concentration in mothers' blood, milk, and newborns' blood from Szczecin (Poland) as a result of environmental cadmium exposure and evaluate the correlation (1) between cadmium levels in analyzed matrices, (2) between cadmium and fatty acids in those matrices, and (3) between cadmium and some selected personal variables, such as anthropometric characteristics, mothers' smoking status, and fruit and fish consumption by mothers. The concentration of cadmium in whole blood and milk of mothers and in the umbilical cord blood of newborns was determined by atomic absorption spectrometry with graphite furnace atomization and Zeeman correction. The fatty acid concentrations were determined by gas chromatography in our previous study. The mean concentrations of cadmium in maternal blood, newborn's blood, and breast milk were 0.61 ± 0.62 μg/L, 0.05 ± 0.04 μg/L, and 0.11 ± 0.07 μg/L, respectively, and differed significantly between analyzed matrices. Cadmium concentrations in the umbilical cord blood were 15 % (range 0-83 %) of the concentration in maternal blood, whereas cadmium concentrations in breast milk constituted 35 % (range 3-142 %) of the concentration in mothers' blood. No correlation was found between cadmium levels in three analyzed matrices. The correlation analysis revealed significant low positive correlation between maternal blood cadmium concentrations and concentrations of elaidic, oleic, and cis-vaccenic acids in mothers' milk (correlation coefficients 0.30, 0.32, and 0.31, respectively). Mothers' blood cadmium correlated with mothers' age (r = -0.26, p = 0.03), maternal smoking before pregnancy (r = 0.55, p < 0.000), maternal smoking during pregnancy (r = 0.58, p < 0.000), and fruit consumption by mothers after delivery (r = -0.44, p = 0.003). Mothers' height was the only variable that correlated significantly with breast milk cadmium levels. Newborns' blood cadmium concentrations correlated significantly with mothers' height (r = 0.28, p = 0.02), newborns' birth weight (r = 0.26, p = 0.03), maternal smoking during pregnancy (r = 0.24, p = 0.048), and fish consumption by mothers after delivery (r = 0.37, p = 0.02). The concentrations of cadmium in Polish mother-newborn pairs are among the lowest in Europe and within the norms established by different institutions. The results of our study confirm the existence of effective partial barriers (such as the placenta and mammary gland) restricting cadmium passage from mother to newborn. The significant positive correlations between maternal blood Cd and concentrations of oleic, elaidic, and cis-vaccenic acids in breast milk might suggest the increased cadmium toxicity to infant, taking into consideration even low cadmium passage to milk. Maternal smoking during pregnancy increases both maternal and newborn's blood cadmium level. Promotion of nonsmoking among pregnant women could substantially reduce prenatal and neonatal exposure to cadmium. Moreover, the results of our study point to the need of establishing complex biomonitoring of cadmium in mother-infant pairs in order to better protect children from this toxic and carcinogenic metal exposure.
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Affiliation(s)
- Tomasz Olszowski
- Department of Hygiene and Epidemiology, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland.
| | - Ewa Rębacz-Maron
- Department of Vertebrate Zoology and Anthropology, University of Szczecin, Wąska 13 Str., 71-415, Szczecin, Poland
| | - Izabela Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Str., 71-460, Szczecin, Poland
| | - Dominika Jamioł
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Str., 71-460, Szczecin, Poland
| | - Adam Prokopowicz
- Institute of Occupational Medicine and Environmental Health, Kościelna 13 Str., 41-200, Sosnowiec, Poland
| | - Marta Goschorska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
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