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Shiani A, Sharafi K, Omer AK, Kiani A, Matin BK, Heydari MB, Massahi T. A Systematic Literature Review on the Association Between Toxic and Essential Trace Elements and the Risk of Orofacial Clefts in Infants. Biol Trace Elem Res 2024; 202:3504-3516. [PMID: 37957518 DOI: 10.1007/s12011-023-03956-x] [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: 08/31/2023] [Accepted: 11/06/2023] [Indexed: 11/15/2023]
Abstract
Orofacial clefts (OFCs) have been linked to various toxic and essential trace elements (TETEs) worldwide. However, review estimation is absent. Therefore, addressing the hypothesis that TETEs are associated with OFCs is the main area of this review. A systematic literature search was conducted using electronic databases through PubMed, Web of Science, Scopus, Science Direct, and Google Scholar between 2004 and August 2022. The "AND" and "OR" operators were used to make our search results inclusive and restrictive as follows: ("Toxic element*" OR "Heavy metal*") AND ("Toxic element*" OR "Lead OR Arsenic OR Mercury*")) AND ("Essential trace element*" OR "Zinc OR Selenium OR Copper*")) AND ("Orofacial cleft*" OR "Cleft lip*" OR "Cleft palate*") AND ("Infant*" OR "Newborn*" OR "Neonate*")). The presence of toxic elements was linked to the development of OFCs. The results showed that higher levels of toxic elements in various biological sample types were related to increased risks for OFCs. Increased concentrations of essential trace elements (ETEs) lowered the risk of OFCs. Maternal consumption of diets rich in ETEs, including zinc (Zn), selenium (Se), copper (Cu), cobalt (Co), and molybdenum (Mo), was linked to a more pronounced reduction in the risk of OFCs. Based on the findings, it is acceptable to infer that maternal exposure to toxic elements, whether through environmental contaminants or dietary sources, was associated with an elevated risk of OFCs. Furthermore, the study revealed that ETEs exhibited a potential protective role in reducing the incidence of OFCs. This observation highlights the importance of reducing exposure to toxic elements during pregnancy and suggests that optimizing maternal intake of ETEs could be an effective preventive strategy.
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Affiliation(s)
- Amir Shiani
- Department of Speech Therapy, School of Rehabilitation Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Clinical Research Development Center, Taleghani and Imam Ali Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kiomars Sharafi
- Research Center for Environmental Determinants of Health (RCEDH), Research Institute for Health, Kermanshah University of Medical Sciences, Kermanshah, Iran.
- Department of Environmental Health Engineering, School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Abdullah Khalid Omer
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
- Razga Company, Kurdistan Region, Sulaimani, Iraq.
| | - Amir Kiani
- Regenerative Medicine Research Center (RMRC), Kermanshah University of Medical Sciences, Kermanshah, Iran
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Behzad Karami Matin
- Research Center for Environmental Determinants of Health (RCEDH), Research Institute for Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Bagher Heydari
- Department of General Surgery, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Tooraj Massahi
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Shan D, Chen Q, Xie Y, Dai S, Hu Y. Current understanding of essential trace elements in intrahepatic cholestasis of pregnancy. Biometals 2024; 37:943-953. [PMID: 38367126 DOI: 10.1007/s10534-024-00586-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 01/19/2024] [Indexed: 02/19/2024]
Abstract
Trace elements are important components in the body and have fundamental roles in maintaining a healthy and balanced pregnancy process. Either deficiency or excess of trace elements, including selenium, iron, zinc, copper, and magnesium can lead to pregnancy complications. As a rare disorder during pregnancy of unknown aetiology, intrahepatic cholestasis of pregnancy (ICP) poses a significant risk to the fetus of perinatal mortality. ICP is a multifactorial complication of which the pathogenesis is still an enigma. Epidemiological studies have demonstrated the association of ICP with some trace elements. Evidence from retrospective studies in humans further revealed the possible contributing roles of trace elements in the pathogenesis of ICP. The published literature on the association of trace elements with ICP was reviewed. Recent advances in molecular biological techniques from animal studies have helped to elucidate the possible mechanisms by how these trace elements function in regulating oxidative reactions, inflammatory reactions and immune balance in the maternal-fetal interface, as well as the influence on hepato-intestinal circulation of bile acid. The scenario regarding the role of trace elements in the pathogenesis of ICP is still developing. The administration or depletion of these trace elements may have promising effects in alleviating the symptoms and improving the pregnancy outcomes of ICP.
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Affiliation(s)
- Dan Shan
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, South Renmin Road, Section 3, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China
| | - Qian Chen
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, South Renmin Road, Section 3, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China
| | - Yupei Xie
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, South Renmin Road, Section 3, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China
| | - Siyu Dai
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, South Renmin Road, Section 3, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China
| | - Yayi Hu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, No. 20, South Renmin Road, Section 3, Chengdu, 610041, China.
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, 610041, China.
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Zhang Y, Wu M, Wang H, Zhou W. Genetic predicted causal inferences between antioxidants and birth weight. J Clin Biochem Nutr 2024; 75:54-59. [PMID: 39070529 PMCID: PMC11273267 DOI: 10.3164/jcbn.24-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 02/23/2024] [Indexed: 07/30/2024] Open
Abstract
Observational studies have suggested a relationship between antioxidants and birth weight. However, the causal association remains unclear. The aim of this study was to assess the causal relationship between antioxidants and birth weight. Genome wide association study (GWAS) summary statistics for 4 endogenous and 7 exogenous antioxidants, as well as birth weight were obtained from GWAS studies and UK biobank. A two-sample Mendelian randomization (MR) analysis was conducted with fixed-effects model inverse variance weighted (IVW) as the primary analytical method, while MR Egger and weighted median used as auxiliary. A series of sensitivity analyses were conducted to verify the robustness of the results. The MR results revealed that genetically predicted higher superoxide dismutase (SOD) (β = 0.025; 95% CI: 0.008, 0.043; p = 0.005) and zinc (β = 0.030; 95% CI: 0.013, 0.047; p = 0.001) levels were associated with higher birth weight. Sensitivity analysis verified the robustness of the MR results. Our study reinforced the existing evidence supporting a significant positive association between SOD and zinc with birth weight, providing new genetic evidence for antioxidant supplementation during pregnancy to prevent low birth weight infants. Further deeper comprehension studies are warranted to confirm these findings.
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Affiliation(s)
- Yanping Zhang
- Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213000, China
| | - Mei Wu
- Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213000, China
| | - Huihui Wang
- Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213000, China
| | - Wenbo Zhou
- Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou 213000, China
- International Genome Center, Jiangsu University, Zhenjiang 212000, China
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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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Wu W, Ren J, Wang J, Wang J, Yu D, Zhang Y, Zeng F, Huang B. Metalloestrogens exposure and risk of gestational diabetes mellitus: Evidence emerging from the systematic review and meta-analysis. ENVIRONMENTAL RESEARCH 2024; 248:118321. [PMID: 38307186 DOI: 10.1016/j.envres.2024.118321] [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: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024]
Abstract
BACKGROUND Metalloestrogens are metals and metalloid elements with estrogenic activity found everywhere. Their impact on human health is becoming more apparent as human activities increase. OBJECTIVE Our aim is to conduct a comprehensive systematic review and meta-analysis of observational studies exploring the correlation between metalloestrogens (specifically As, Sb, Cr, Cd, Cu, Se, Hg) and Gestational Diabetes Mellitus (GDM). METHODS PubMed, Web of Science, and Embase were searched to examine the link between metalloestrogens (As, Sb, Cr, Cd, Cu, Se, and Hg) and GDM until December 2023. Risk estimates were derived using random effects models. Subgroup analyses were conducted based on study countries, exposure sample, exposure assessment method, and detection methods. Sensitivity analyses and adjustments for publication bias were carried out to assess the strength of the findings. RESULTS Out of the 389 articles identified initially, 350 met our criteria and 33 were included in the meta-analysis, involving 141,175 subjects (9450 cases, 131,725 controls). Arsenic, antimony, and copper exposure exhibited a potential increase in GDM risk to some extent (As: OR = 1.28, 95 % CI [1.08, 1.52]; Sb: OR = 1.73, 95 % CI [1.13, 2.65]; Cu: OR = 1.29, 95 % CI [1.02, 1.63]), although there is a high degree of heterogeneity (As: Q = 52.93, p < 0.05, I2 = 64.1 %; Sb: Q = 31.40, p < 0.05, I2 = 80.9 %; Cu: Q = 21.14, p < 0.05, I2 = 71.6 %). Conversely, selenium, cadmium, chromium, and mercury exposure did not exhibit any association with the risk of GDM in our study. DISCUSSION Our research indicates that the existence of harmful metalloestrogens in the surroundings has a notable effect on the likelihood of GDM. Hence, we stress the significance of environmental elements in the development of GDM and the pressing need for relevant policies and measures.
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Affiliation(s)
- Wanxin Wu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Junjie Ren
- Department of Medical Psychology, School of Mental Health and Psychological Science, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Juan Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Jiamei Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Deshui Yu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yan Zhang
- School of Biology and Food Engineering, Hefei Normal University, Hefei, 230092, Anhui, China.
| | - Fa Zeng
- Shenzhen Longhua Maternity and Child Healthcare Hospital, Shenzhen, 518109, Guangdong, China.
| | - Binbin Huang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, 230032, Anhui, China.
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Li N, Yu P, Liu Z, Tao J, Li L, Wang M, Wei H, Zhu Y, Deng Y, Kang H, Li Y, Li X, Liang J, Wang Y, Zhu J. Inverse association between maternal serum concentrations of trace elements and risk of spontaneous preterm birth: a nested case-control study in China. Br J Nutr 2024; 131:1425-1435. [PMID: 38185814 DOI: 10.1017/s0007114523003070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Few studies have evaluated the joint effect of trace elements on spontaneous preterm birth (SPTB). This study aimed to examine the relationships between the individual or mixed maternal serum concentrations of Fe, Cu, Zn, Se, Sr and Mo during pregnancy, and risk of SPTB. Inductively coupled plasma MS was employed to determine maternal serum concentrations of the six trace elements in 192 cases with SPTB and 282 controls with full-term delivery. Multivariate logistic regression, weighted quantile sum regression (WQSR) and Bayesian kernel machine regression (BKMR) were used to evaluate the individual and joint effects of trace elements on SPTB. The median concentrations of Sr and Mo were significantly higher in controls than in SPTB group (P < 0·05). In multivariate logistic regression analysis, compared with the lowest quartile levels of individual trace elements, the third- and fourth-quartile Sr or Mo concentrations were significantly associated with reduced risk of SPTB with adjusted OR (aOR) of 0·432 (95 CI < 0·05). In multivariate logistic regression analysis, compared with the lowest quartile levels of individual trace elements, the third- and fourth-quartile Sr or Mo concentrations were significantly associated with reduced risk of SPTB with adjusted aOR of 0·432 (95 % CI 0·247, 0·756), 0·386 (95 % CI 0·213, 0·701), 0·512 (95 % CI 0·297, 0·883) and 0·559 (95 % CI 0·321, 0·972), respectively. WQSR revealed the inverse combined effect of the trace elements mixture on SPTB (aOR = 0·368, 95 % CI 0·228, 0·593). BKMR analysis confirmed the overall mixture of the trace elements was inversely associated with the risk of SPTB, and the independent effect of Sr and Mo was significant. Our findings suggest that the risk of SPTB decreased with concentrations of the six trace elements, with Sr and Mo being the major contributors.
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Affiliation(s)
- Nana Li
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Ping Yu
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Zhen Liu
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Jing Tao
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Lu Li
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Meixian Wang
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Hongwei Wei
- Maternal and Child Healthcare Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, People's Republic of China
| | - Yibing Zhu
- Fujian Provincial Maternal and Child Healthcare Hospital, Fuzhou, Fujian, People's Republic of China
| | - Ying Deng
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Hong Kang
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Yuting Li
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Xiaohong Li
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Juan Liang
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Yanping Wang
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
| | - Jun Zhu
- National Center for Birth Defect Monitoring, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu610041, Sichuan, People's Republic of China
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Özkan B, Çavuşoğlu K, Yalçin E, Acar A. Investigation of multidirectional toxicity induced by high-dose molybdenum exposure with Allium test. Sci Rep 2024; 14:8651. [PMID: 38622233 PMCID: PMC11018863 DOI: 10.1038/s41598-024-59335-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 04/09/2024] [Indexed: 04/17/2024] Open
Abstract
In this study, the multifaceted toxicity induced by high doses of the essential trace element molybdenum in Allium cepa L. was investigated. Germination, root elongation, weight gain, mitotic index (MI), micronucleus (MN), chromosomal abnormalities (CAs), Comet assay, malondialdehyde (MDA), proline, superoxide dismutase (SOD), catalase (CAT) and anatomical parameters were used as biomarkers of toxicity. In addition, detailed correlation and PCA analyzes were performed for all parameters discussed. On the other hand, this study focused on the development of a two hidden layer deep neural network (DNN) using Matlab. Four experimental groups were designed: control group bulbs were germinated in tap water and application group bulbs were germinated with 1000, 2000 and 4000 mg/L doses of molybdenum for 72 h. After germination, root tips were collected and prepared for analysis. As a result, molybdenum exposure caused a dose-dependent decrease (p < 0.05) in the investigated physiological parameter values, and an increase (p < 0.05) in the cytogenetic (except MI) and biochemical parameter values. Molybdenum exposure induced different types of CAs and various anatomical damages in root meristem cells. Comet assay results showed that the severity of DNA damage increased depending on the increasing molybdenum dose. Detailed correlation and PCA analysis results determined significant positive and negative interactions between the investigated parameters and confirmed the relationships of these parameters with molybdenum doses. It has been found that the DNN model is in close agreement with the actual data showing the accuracy of the predictions. MAE, MAPE, RMSE and R2 were used to evaluate the effectiveness of the DNN model. Collective analysis of these metrics showed that the DNN model performed well. As a result, it has been determined once again that high doses of molybdenum cause multiple toxicity in A. cepa and the Allium test is a reliable universal test for determining this toxicity. Therefore, periodic measurement of molybdenum levels in agricultural soils should be the first priority in preventing molybdenum toxicity.
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Affiliation(s)
- Burak Özkan
- Department of Biology, Institute of Science, Giresun University, Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- Department of Biology, Faculty of Science and Art, Giresun University, 28200, Giresun, Turkey
| | - Emine Yalçin
- Department of Biology, Faculty of Science and Art, Giresun University, 28200, Giresun, Turkey.
| | - Ali Acar
- Department of Medical Services and Techniques, Vocational School of Health Services, Giresun University, Giresun, Turkey
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8
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Marsubrin PMT, Ibrahim NAA, Dilmy MAF, Ariani Y, Wiweko B, Irwinda R, Harzif AK, Hegar B, Basrowi RW. Determinants of prematurity in urban Indonesia: a meta-analysis. J Perinat Med 2024; 52:270-282. [PMID: 38146621 DOI: 10.1515/jpm-2023-0151] [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: 04/13/2023] [Accepted: 10/26/2023] [Indexed: 12/27/2023]
Abstract
OBJECTIVES Indonesia is the fifth country with the highest number of preterm births worldwide. More than a third of neonatal deaths in Indonesia were attributed to preterm birth. Residential areas affected the occurrence of preterm birth due to differing socioeconomic and environmental conditions. Many studies have investigated the determinants of prematurity in Indonesia, however, most of them were performed in rural areas. This study is the first meta-analysis describing the determinants of preterm birth in urban Indonesia, which aimed to become the foundation upon implementing the most suitable preventative measure and policy to reduce the rate of preterm birth. METHODS We collected all published papers investigating the determinants of preterm birth in urban Indonesia from PubMed MEDLINE and EMBASE, using keywords developed from the following key concepts: "preterm birth", "determinants", "risk factors", "Indonesia" and the risk factors, such as "high-risk pregnancy", "anemia", "pre-eclampsia", and "infections". Exclusion criteria were multicenter studies that did not perform a specific analysis on the Indonesian population or did not separate urban and rural populations in their analysis, and articles not available in English or Indonesian. The Newcastle Ottawa Scale was used to assess the risk of bias. This systematic review was registered in PROSPERO. RESULTS Sixteen articles were included in the analysis and classified into five categories: genetic factors, nutrition, smoking, pregnancy characteristics or complications, and disease-related characteristics. CONCLUSIONS Our meta-analysis revealed adolescent pregnancy, smoking, eclampsia, bacterial vaginosis, LC-PUFA, placental vitamin D, and several minerals as the significant determinants of preterm birth in urban Indonesia.
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Affiliation(s)
| | | | - Mohammad Adya Firmansha Dilmy
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Yulia Ariani
- Faculty of Medicine, Indonesian Medical Education and Research Institute, Universitas Indonesia, Jakarta, Indonesia
| | - Budi Wiweko
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Rima Irwinda
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Achmad Kemal Harzif
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Badriul Hegar
- Faculty of Medicine, Indonesian Medical Education and Research Institute, Universitas Indonesia, Jakarta, Indonesia
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Gu Y, Zheng S, Huang C, Cao X, Liu P, Zhuang Y, Li G, Hu G, Gao X, Guo X. Microbial colony sequencing combined with metabolomics revealed the effects of chronic hexavalent chromium and nickel combined exposure on intestinal inflammation in mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:169853. [PMID: 38218477 DOI: 10.1016/j.scitotenv.2023.169853] [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: 12/01/2023] [Revised: 12/30/2023] [Accepted: 12/30/2023] [Indexed: 01/15/2024]
Abstract
The pollution and toxic effects of hexavalent chromium [Cr(VI)] and divalent nickel [Ni(II)] have become worldwide public health issues. However, the potential detailed effects of chronic combined Cr(VI) and Ni exposure on colonic inflammation in mice have not been reported. In this study, 16S rDNA sequencing, metabolomics data analysis, qPCR and other related experimental techniques were used to comprehensively explore the mechanism of toxic damage and the inflammatory response of the colon in mice under the co-toxicity of chronic hexavalent chromium and nickel. The results showed that long-term exposure to Cr(VI) and/or Ni resulted in an imbalance of trace elements in the colon of mice with significant inflammatory infiltration of tissues. Moreover, Cr(VI) and/or Ni poisoning upregulated the expression levels of IL-6, IL-18, IL-1β, TNF-α, IFN-γ, JAK2 and STAT3 mRNA, and downregulated IL-10 mRNA, which was highly consistent with the trend in protein expression. Combined with multiomics analysis, Cr(VI) and/or Ni could change the α diversity and β diversity of the gut microbiota and induce significant differential changes in metabolites such as Pyroglu-Glu-Lys, Val-Asp-Arg, stearidonic acid, and 20-hydroxyarachidonic acid. They are also associated with disorders of important metabolic pathways such as lipid metabolism and amino acid metabolism. Correlation analysis revealed that there was a significant correlation between gut microbes and metabolites (P < 0.05). In summary, based on the advantages of comprehensive analysis of high-throughput sequencing sets, these results suggest that chronic exposure to Cr(VI) and Ni in combination can cause microbial flora imbalances, induce metabolic disorders, and subsequently cause colonic damage in mice. These data provide new insights into the toxicology and molecular mechanisms of Cr(VI) and Ni.
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Affiliation(s)
- Yueming Gu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Shuangyan Zheng
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China; Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, China
| | - Cheng Huang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xianhong Cao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Ping Liu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yu Zhuang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Guyue Li
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Guoliang Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xiaona Gao
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xiaoquan Guo
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China.
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Guo X, Xu J, Tian Y, Ouyang F, Yu X, Liu J, Yan C, Zhang J. Interaction of prenatal maternal selenium and manganese levels on child neurodevelopmental trajectories-the Shanghai birth cohort study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170095. [PMID: 38224892 DOI: 10.1016/j.scitotenv.2024.170095] [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: 10/12/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
OBJECTIVE The fetal brain is particularly plastic, and may be concurrently affected by chemical exposure and malnutritional factors. Selenium is essential for the developing brain, and excess manganese exposure may exert neurotoxic effects. However, few epidemiological studies have evaluated the interaction of manganese and selenium assessed in different prenatal stages on postnatal neurodevelopmental trajectories. METHODS This study contained 1024 mother-child pairs in the Shanghai-birth-cohort study from 2013 to 2016 recruited since early/before pregnancy with complete data on manganese and selenium levels in different prenatal stages and infant neurodevelopmental trajectories. Whole blood manganese and selenium in early pregnancy and around birth were measured by inductively-coupled-plasma-mass-spectrometry (ICP-MS), children's cognitive development was evaluated at 6, 12, and 24 months of age using Age & Stage-Questionnaire (ASQ)-3 and Bayley-III. Multiple linear regression was used to investigate the interaction of prenatal selenium and manganese on neurodevelopmental trajectories. RESULTS The prenatal manganese and selenium levels were 1.82 ± 0.98 μg/dL and 13.53 ± 2.70 μg/dL for maternal blood in early pregnancy, and 5.06 ± 1.67 μg/dL and 11.81 ± 3.35 μg/dL for umbilical cord blood, respectively. Higher prenatal Se levels were associated with better neurocognitive performances or the consistently-high-level trajectory (P < 0.05), with more significant associations observed in early pregnancy than around birth. However, such positive relationships became non-significant or even adverse in high (vs. low) manganese status, and the effect differences between low and high manganese were more significant in early pregnancy. CONCLUSIONS Prenatal Selenium was positively associated with child neurodevelopment, but prenatal high manganese may mitigate such favorable effects. The effects were mainly observed in earlier prenatal stage.
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Affiliation(s)
- Xiangrong Guo
- The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
| | - Jian Xu
- The International Peace Maternity & Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China.
| | - Ying Tian
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Fengxiu Ouyang
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Xiaodan Yu
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Junxia Liu
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Chonghuai Yan
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Jun Zhang
- MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
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11
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Sun Y, Zhang Y. Blood manganese level and gestational diabetes mellitus: a systematic review and meta-analysis. J OBSTET GYNAECOL 2023; 43:2266646. [PMID: 37921106 DOI: 10.1080/01443615.2023.2266646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/29/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Previous studies evaluating the relationship between blood manganese (Mn) level and gestational diabetes mellitus (GDM) in pregnant women showed inconsistent results. A systematic review and meta-analysis was therefore performed to investigate the above association. METHODS Relevant observational studies were obtained by search of electronic databases including Medline, Embase, Cochrane Library and Web of Science from database inception to 10 March 2023. Two authors independently performed database search, literature identification and data extraction. A randomised-effects model was selected to pool the data by incorporating the influence of potential heterogeneity. Subgroup analysis was performed to evaluate the influence of study characteristics on the results of the meta-analysis. RESULTS Six datasets from five observational studies, involving 91,249 pregnant women were included in the meta-analysis. Among the participants, 3597 (3.9%) were diagnosed as GDM. Overall, pooled results showed that a high blood level of Mn was associated with a higher risk of GDM (compared between women with highest versus lowest category blood Mn, odds ratio: 1.31, 95% confidence interval: 1.19-1.44, p < .001) with no significant heterogeneity (p for Cochrane Q-test = 0.93, I2 = 0%). Subgroup analyses according to study design, mean maternal age, matrix or methods for measuring blood Mn, and the incidence of GDM also showed consistent results (p for subgroup difference all >.05). CONCLUSIONS Results of the meta-analysis suggest that a high blood Mn level may be a risk factor of GDM in pregnant women. Studies are needed to determine the underlying mechanisms, and to investigate if the relationship between blood Mn level and GDM is dose-dependent.
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Affiliation(s)
- Yingmei Sun
- Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yu Zhang
- Department of Gynaecology and Obstetrics, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
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12
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Bracchi I, Guimarães J, Rodrigues C, Azevedo R, Coelho CM, Pinheiro C, Morais J, Barreiros-Mota I, Fernandes VC, Delerue-Matos C, Pinto E, Moreira-Rosário A, de Azevedo LFR, Dias CC, Lima J, Sapinho I, Ramalho C, Calhau C, Leite JC, Almeida A, Pestana D, Keating E. Essential Trace Elements Status in Portuguese Pregnant Women and Their Association with Maternal and Neonatal Outcomes: A Prospective Study from the IoMum Cohort. BIOLOGY 2023; 12:1351. [PMID: 37887061 PMCID: PMC10604833 DOI: 10.3390/biology12101351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/16/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Abstract
Cobalt (Co), copper (Cu), manganese (Mn), molybdenum (Mo), and zinc (Zn) are essential trace elements (ETEs) and important cofactors for intermediary metabolism or redox balance. These ETEs are crucial during pregnancy, their role on specific pregnancy outcomes is largely unknown. This prospective study (#NCT04010708) aimed to assess urinary levels of these ETEs in pregnancy and to evaluate their association with pregnancy outcomes. First trimester pregnant women of Porto and Lisbon provided a random spot urine sample, and sociodemographic and lifestyle data. Clinical data were obtained from clinical records. Urinary ETEs were quantified by inductively coupled plasma mass spectrometry (ICP-MS). A total of 635 mother:child pairs were included. Having urinary Zn levels above the 50th percentile (P50) was an independent risk factor for pre-eclampsia (PE) (aOR [95% CI]: 5.350 [1.044-27.423], p = 0.044). Urinary Zn levels above the P50 decreased the risk of small for gestational age (SGA) birth head circumference (aOR [95% CI]: 0.315 [0.113-0.883], p = 0.028), but it increased the risk SGA length (aOR [95% CI]: 2.531 [1.057-6.062], p = 0.037). This study may provide valuable information for public health policies related to prenatal nutrition, while informing future efforts to de-fine urinary reference intervals for ETEs in pregnant women.
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Affiliation(s)
- Isabella Bracchi
- Unit of Biochemistry, Department Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS, Center for Health Technology and Services Research, 4200-319 Porto, Portugal
| | - Juliana Guimarães
- Unit of Biochemistry, Department Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS, Center for Health Technology and Services Research, 4200-319 Porto, Portugal
| | - Catarina Rodrigues
- CHRC, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
| | - Rui Azevedo
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Cláudia Matta Coelho
- Unit of Biochemistry, Department Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS, Center for Health Technology and Services Research, 4200-319 Porto, Portugal
| | - Cátia Pinheiro
- Unit of Biochemistry, Department Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS, Center for Health Technology and Services Research, 4200-319 Porto, Portugal
| | - Juliana Morais
- CINTESIS@RISE, Nutrition & Metabolism, NOVA Medical School|FCM, NOVA University Lisbon, 1169-056 Lisbon, Portugal
- UniC@RISE, Unidade de Investigação e Desenvolvimento Cardiovascular, Faculdade de Medicina, Universidade do Porto, 4200-319 Porto, Portugal
| | - Inês Barreiros-Mota
- CINTESIS@RISE, Nutrition & Metabolism, NOVA Medical School|FCM, NOVA University Lisbon, 1169-056 Lisbon, Portugal
| | - Virgínia Cruz Fernandes
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto, rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto, rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
| | - Edgar Pinto
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Departamento de Saúde Ambiental, Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - André Moreira-Rosário
- CINTESIS@RISE, Nutrition & Metabolism, NOVA Medical School|FCM, NOVA University Lisbon, 1169-056 Lisbon, Portugal
| | - Luís Filipe Ribeiro de Azevedo
- CINTESIS@RISE, Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Cláudia Camila Dias
- CINTESIS@RISE, Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Jorge Lima
- CHRC, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
- Immunology, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade NOVA de Lisboa, 1169-056 Lisboa, Portugal
- Department of Obstetrics and Gynecology, Hospital da Luz Lisboa, 1500-650 Lisboa, Portugal
| | - Inês Sapinho
- Endocrinology Service, CUF Descobertas Hospital, 1998-018 Lisbon, Portugal
| | - Carla Ramalho
- Department of Obstetrics, São João Hospital Center, 4200-319 Porto, Portugal
- Department of Ginecology-Obstetrics and Pediatrics, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- Institute for Research and Innovation in Health, i3S, University of Porto, 4200-135 Porto, Portugal
| | - Conceição Calhau
- CINTESIS@RISE, Nutrition & Metabolism, NOVA Medical School|FCM, NOVA University Lisbon, 1169-056 Lisbon, Portugal
| | - João Costa Leite
- CINTESIS@RISE, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Agostinho Almeida
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Diogo Pestana
- CINTESIS@RISE, Nutrition & Metabolism, NOVA Medical School|FCM, NOVA University Lisbon, 1169-056 Lisbon, Portugal
| | - Elisa Keating
- Unit of Biochemistry, Department Biomedicine, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
- CINTESIS@RISE, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
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Rai S, Leydier L, Sharma S, Katwala J, Sahu A. A quest for genetic causes underlying signaling pathways associated with neural tube defects. Front Pediatr 2023; 11:1126209. [PMID: 37284286 PMCID: PMC10241075 DOI: 10.3389/fped.2023.1126209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 02/28/2023] [Indexed: 06/08/2023] Open
Abstract
Neural tube defects (NTDs) are serious congenital deformities of the nervous system that occur owing to the failure of normal neural tube closures. Genetic and non-genetic factors contribute to the etiology of neural tube defects in humans, indicating the role of gene-gene and gene-environment interaction in the occurrence and recurrence risk of neural tube defects. Several lines of genetic studies on humans and animals demonstrated the role of aberrant genes in the developmental risk of neural tube defects and also provided an understanding of the cellular and morphological programs that occur during embryonic development. Other studies observed the effects of folate and supplementation of folic acid on neural tube defects. Hence, here we review what is known to date regarding altered genes associated with specific signaling pathways resulting in NTDs, as well as highlight the role of various genetic, and non-genetic factors and their interactions that contribute to NTDs. Additionally, we also shine a light on the role of folate and cell adhesion molecules (CAMs) in neural tube defects.
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Affiliation(s)
- Sunil Rai
- Department of Molecular Biology, Medical University of the Americas, Charlestown, Saint Kitts and Nevis
| | - Larissa Leydier
- Department of Molecular Biology, Medical University of the Americas, Charlestown, Saint Kitts and Nevis
| | - Shivani Sharma
- Department of Molecular Biology, Medical University of the Americas, Charlestown, Saint Kitts and Nevis
| | - Jigar Katwala
- Department of Molecular Biology, Medical University of the Americas, Charlestown, Saint Kitts and Nevis
| | - Anurag Sahu
- Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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Huang W, Fu J, Yuan Z, Gu H. Impact of prenatal exposure to metallic elements on neural tube defects: Insights from human investigations. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114815. [PMID: 36948008 DOI: 10.1016/j.ecoenv.2023.114815] [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: 12/28/2022] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Metallic elements play a pivotal role in maternal and fetal health. Metals can cross the placental barrier and be absorbed by fetuses, where they may affect closure of the neural tube during embryonic development. Neural tube defects (NTDs), which result from aberrant closure of the neural tube three to four weeks post-conception, have a multifactorial and complex etiology that combines genetic variants and environmental exposure. Recent advances in population-level association studies have investigated the link between maternal environmental exposure and NTDs, particularly the influence of metals on the incidence of NTDs. Herein, we present a broad and qualitative review of current literature on the association between maternal and prenatal metal exposure via the maternal peripheral blood, amniotic fluid, placenta, umbilical cord, and maternal hair, and the risk of developing NTDs. Specifically, we identify the various aggravating or attenuating effects of metallic exposure on the risk of NTD formation. This review provides novel insights into the association between environmental metals and NTDs and has important applications for NTD prevention and mitigating environmental exposure to metals.
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Affiliation(s)
- Wanqi Huang
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Jialin Fu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Zhengwei Yuan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China.
| | - Hui Gu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China.
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15
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Daniali SS, Yazdi M, Heidari-Beni M, Taheri E, Zarean E, Goli P, Kelishadi R. Birth Size Outcomes in Relation to Maternal Blood Levels of Some Essential and Toxic Elements. Biol Trace Elem Res 2023; 201:4-13. [PMID: 35298828 DOI: 10.1007/s12011-022-03121-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 01/16/2022] [Indexed: 01/11/2023]
Abstract
Exposures to toxic trace elements and deficiencies of essential trace elements during pregnancy may impact fetal growth. This study was conducted to determine the association between maternal blood levels of essential elements including manganese (Mn), copper (Cu), and zinc (Zn) and toxic elements including arsenic (As), cadmium (Cd), and lead (Pb) at the first trimester with neonatal anthropometric parameters. This cross-sectional study was conducted in 2019-2020 in Isfahan, Iran. Overall, 263 mother-infant pairs were recruited in the first trimester of pregnancy. Maternal whole blood was collected, and essential and toxic elements were determined by mass spectrometry (ICP-MS)-based method. Birth size measurements were performed according to standardized protocols. Geometric means and standard deviations of maternal blood concentrations of Mn, Cu, Zn, As, Cd, and Pb were 3.94 ± 0.82, 5.22 ± 0.57, 7.67 ± 0.58, 2.21 ± 0.77, - 0.59 ± 0.98, and 3.23 ± 0.72 µg/l, respectively. Mean age of mothers was 29.94 ± 5.22 years. Thirty-one (12.1%) neonates were preterm. Maternal blood Pb levels were negatively correlated with birth weight (β = - 0.22 (CI 95%: - 0.38, - 0.05) p = 0.010) and marginally with birth head circumference (β = - 0.14(CI 95%: - 0.29, 0.02), P = 0.094) after adjustment for potential confounder variables. There was no significant association between Mn, Cu, Zn, As, Cd, and birth size measurements. Reverse association was found between maternal blood Pb levels and birth weight and birth head circumference. There is limited evidence related to the association between essential and toxic elements during pregnancy with birth size measurements and pregnancy disorders. More studies are suggested to assess of the effect of the trace elements and birth outcomes.
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Affiliation(s)
- Seyede Shahrbanoo Daniali
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Yazdi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Motahar Heidari-Beni
- Department of Nutrition, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Ensiye Taheri
- Department of Environmental Health Engineering, Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elaheh Zarean
- Department of Nutrition, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Obstetrics and Gynecology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvin Goli
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
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16
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Elkin ER, Higgins C, Aung MT, Bakulski KM. Metals Exposures and DNA Methylation: Current Evidence and Future Directions. Curr Environ Health Rep 2022; 9:673-696. [PMID: 36282474 PMCID: PMC10082670 DOI: 10.1007/s40572-022-00382-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE OF THE REVIEW Exposure to essential and non-essential metals is widespread. Metals exposure is linked to epigenetic, particularly DNA methylation, differences. The strength of evidence with respect to the metal exposure type, timing, and level, as well as the DNA methylation association magnitude, and reproducibility are not clear. Focusing on the most recent 3 years, we reviewed the human epidemiologic evidence (n = 26 studies) and the toxicologic animal model evidence (n = 18 studies) for associations between metals exposure and DNA methylation. RECENT FINDINGS In humans, the greatest number of studies focused on lead exposure, followed by studies examining cadmium and arsenic. Approximately half of studies considered metals exposure during the in utero period and measured DNA methylation with the genome-wide Illumina arrays in newborn blood or placenta. Few studies performed formal replication testing or meta-analyses. Toxicology studies of metals and epigenetics had diversity in model systems (mice, rats, drosophila, tilapia, and zebrafish were represented), high heterogeneity of tissues used for DNA methylation measure (liver, testis, ovary, heart, blood, brain, muscle, lung, kidney, whole embryo), and a variety of technologies used for DNA methylation assessment (global, gene specific, genome-wide). The most common metals tested in toxicologic studies were lead and cadmium. Together, the recent studies reviewed provide the strongest evidence for DNA methylation signatures with prenatal metals exposures. There is also mounting epidemiologic evidence supporting lead, arsenic, and cadmium exposures with DNA methylation signatures in adults. The field of metals and DNA methylation is strengthened by the inclusion of both epidemiology and toxicology approaches, and further advancements can be made by coordinating efforts or integrating analyses across studies. Future advances in understanding the molecular basis of sequence specific epigenetic responses to metals exposures, methods for handling exposure mixtures in a genome-wide analytic framework, and pipelines to facilitate collaborative testing will continue to advance the field.
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Affiliation(s)
- Elana R Elkin
- Department of Environmental Health School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Cesar Higgins
- Department of Epidemiology, School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA
| | - Max T Aung
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Kelly M Bakulski
- Department of Epidemiology, School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA.
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Zinc deficiency among pregnant women around Lake Awasa, Hawassa City, Ethiopia: a cross-sectional analysis. J Nutr Sci 2022; 11:e102. [PMID: 36452399 PMCID: PMC9705700 DOI: 10.1017/jns.2022.104] [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: 07/13/2022] [Revised: 10/26/2022] [Accepted: 11/01/2022] [Indexed: 11/24/2022] Open
Abstract
Zinc deficiency (ZD) during pregnancy has far-reaching consequences on the mother, fetus and subsequent child survival. Therefore, the present study aimed to assess the prevalence and associated factors of ZD among pregnant women around Lake Awasa, Hawassa City, Ethiopia. To this end, a facility-based cross-sectional study was conducted on 333 randomly sampled pregnant women from 08 April to 08 May 2021. The socio-economic, dietary intake, water, sanitation and hygiene, obstetric, and maternal health data were collected through face-to-face interviews. Moreover, on-spot blood and stool samples were taken. Descriptive statistics and binary and multivariable logistic regression analysis were conducted. The prevalence of ZD was 58⋅6 % (95 % CI 53⋅31, 63⋅89). The poorest (AOR = 3⋅28; 95 % CI 1⋅26, 8⋅50) and poor (AOR = 2⋅93; 95 % CI 1⋅14, 7⋅54) wealth quintiles, four of more family size (AOR = 1⋅84, 95 % CI 1⋅10, 3⋅35), poor dietary diversity (AOR = 4⋅11; 95 % CI 2⋅11, 7⋅62), not eating snacks (AOR = 3⋅40; 95 % CI 1⋅42, 8⋅15), not consuming fish (AOR = 3⋅53; 95 % CI 1⋅65, 7⋅56) and chicken (AOR = 2⋅53; 95 % CI 1⋅31, 4⋅88) at least once a month, and intestinal parasitic infection (AOR = 2⋅78; 95 % CI 1⋅52, 5⋅08) predicted zinc deficiency. In conclusion, ZD is a public health problem among pregnant women around Lake Awasa. The present study demonstrated that poor socio-economic status, large family size, poor nutritional practices and intestinal parasitic infection determine the zinc status in the present study area. The findings suggest the need for further analysis to deepen the understanding about ZD and consideration of livelihood in interventions to prevent and control ZD among pregnant women in Hawassa City, Ethiopia.
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Key Words
- AOR, adjusted odds ratio
- CI, confidence interval
- COR, crude odds ratio
- Ethiopia
- Hawassa City
- IBM, International Business Machine
- IZiNCG, International Zinc Nutrition Consultative Group
- Lake Awasa
- N, total number participants
- Pregnant Women
- UNICEF, United Nations International Children's Emergency Fund
- WASH, Water, sanitation and hygiene
- WHO, World Health Organization
- ZD, zinc deficiency
- Zinc Deficiency
- sd, standard deviation
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Zhou Y, Zhu Q, Wang P, Li J, Luo R, Zhao W, Zhang L, Shi H, Zhang Y. Early pregnancy PM 2.5 exposure and its inorganic constituents affect fetal growth by interrupting maternal thyroid function. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119481. [PMID: 35597481 DOI: 10.1016/j.envpol.2022.119481] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Early pregnancy is crucial for fetal growth. Maternal thyroid hormone is critical for fetal growth and can be disturbed under exogenous exposure. However, it's uncertain whether exposure to PM2.5 and inorganic constituents during early pregnancy can affect TH and fetal growth. We focused on the associations of early-pregnancy PM2.5 and inorganic constituents with fetal growth and maternal THs. PM2.5 concentration was estimated using a satellite-based spatiotemporal model. Fetal biparietal diameter (BPD), head circumference (HC), femur length (FL), and humerus length (HL) were measured by ultrasonography at median 15.6, 22.2, and 33.1 gestational weeks. Levels of 28 PM2.5 constituents were measured in a sub-group of 329 pregnancies. Maternal serum free thyroxine (fT4), free triiodothyronine, and thyroid-stimulating hormone levels were measured at 14 weeks of gestation. Mixed-effect models and multiple linear regression were applied to evaluate the associations of PM2.5 and its constituents with fetal growth measures. Mediation analysis was used to examine the mediating role of the THs. Results showed that each 10 μg/m3 increase in PM2.5 was associated with 0.20 mm reductions in BPD (95%CI: 0.33, -0.01), 0.27 mm decreases in FL (95%CI: 0.40, -0.13), and 0.36 decreases in HL (95%CI: 0.49, -0.23). Per 10 μg/m3 increment in PM2.5 was correlated with 5.82% decreases in the fT4 level (95% CI: 8.61%, -2.96%). FT4 accounted for 14.3% of PM2.5 exposure-induced change in BPD at first follow-up. Al (β = -2.91, 95%CI: 5.17, -0.66), Si (β = -1.20, 95%CI: 2.22, -0.19), K (β = -3.09, 95%CI: 5.41, -0.77), Mn (β = -47.20, 95%CI: 83.68, -10.79) and Zn (β = -3.02, 95%CI: 5.55, -0.49) were associated with decreased fetal BPD, especially in first follow-up. Zn (β = -38.12%, 95% CI: 58.52%, -8.61%) was also associated with decreased fT4 levels. Overall, early pregnancy exposure to PM2.5 and its constituents was associated with fetal growth restriction and decreased maternal fT4 levels might mediate the effect of PM2.5.
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Affiliation(s)
- Yuhan Zhou
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Qingqing Zhu
- The Maternal and Child Healthcare Hospital of Songjiang District, Shanghai, 201600, China
| | - Pengpeng Wang
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Jialin Li
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Ranran Luo
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Wenxuan Zhao
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Liyi Zhang
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Huijing Shi
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Yunhui Zhang
- Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, Shanghai, 200032, China; Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, 200032, China.
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Yao X, Zuo N, Guan W, Fu L, Jiang S, Jiao J, Wang X. Association of Gut Microbiota Enterotypes with Blood Trace Elements in Women with Infertility. Nutrients 2022; 14:nu14153195. [PMID: 35956371 PMCID: PMC9370633 DOI: 10.3390/nu14153195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/30/2022] [Accepted: 08/02/2022] [Indexed: 02/04/2023] Open
Abstract
Infertility is defined as failure to achieve pregnancy within 12 months of unprotected intercourse in women. Trace elements, a kind of micronutrient that is very important to female reproductive function, are affected by intestinal absorption, which is regulated by gut microbiota. Enterotype is the classification of an intestinal microbiome based on its characteristics. Whether or not Prevotella-enterotype and Bacteroides-enterotype are associated with blood trace elements among infertile women remains unclear. The study aimed to explore the relationship between five main whole blood trace elements and these two enterotypes in women with infertility. This retrospective cross-sectional study recruited 651 Chinese women. Whole blood copper, zinc, calcium, magnesium, and iron levels were measured. Quantitative real-time PCR was performed on all fecal samples. Patients were categorized according to whole blood trace elements (low levels group, <5th percentile; normal levels group, 5th‒95th percentile; high levels group, >95th percentile). There were no significant differences in trace elements between the two enterotypes within the control population, while in infertile participants, copper (P = 0.033), zinc (P < 0.001), magnesium (P < 0.001), and iron (P < 0.001) in Prevotella-enterotype was significantly lower than in Bacteroides-enterotype. The Chi-square test showed that only the iron group had a significant difference in the two enterotypes (P = 0.001). Among infertile patients, Prevotella-enterotype (Log(P/B) > −0.27) predicted the low levels of whole blood iron in the obesity population (AUC = 0.894; P = 0.042). For the high levels of iron, Bacteroides-enterotype (Log(P/B) <−2.76) had a predictive power in the lean/normal group (AUC = 0.648; P = 0.041) and Log(P/B) <−3.99 in the overweight group (AUC = 0.863; P = 0.013). We can infer that these two enterotypes may have an effect on the iron metabolism in patients with infertility, highlighting the importance of further research into the interaction between enterotypes and trace elements in reproductive function.
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Affiliation(s)
- Xinrui Yao
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
| | - Na Zuo
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
| | - Wenzheng Guan
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
| | - Lingjie Fu
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
| | - Shuyi Jiang
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
| | - Jiao Jiao
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
- Correspondence: (J.J.); (X.W.)
| | - Xiuxia Wang
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang 110004, China
- Shenyang Reproductive Health Clinical Medicine Research Center, Shenyang 110004, China
- Correspondence: (J.J.); (X.W.)
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Mandour AS, Samir H, El-Beltagy MA, Hamabe L, Abdelmageed HA, Watanabe I, Elfadadny A, Shimada K, El-Masry G, Al-Rejaie S, Tanaka R, Watanabe G. Monthly Dynamics of Plasma Elements, Hematology, Oxidative Stress Markers, and Hormonal Concentrations in Growing Male Shiba Goats ( Capra hircus) Reared in Tokyo-Japan. Animals (Basel) 2022; 12:ani12050645. [PMID: 35268214 PMCID: PMC8909858 DOI: 10.3390/ani12050645] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/19/2022] [Accepted: 02/23/2022] [Indexed: 12/16/2022] Open
Abstract
Simple Summary During the first stage of an animal’s life, various physiological alterations with the concomitant development of different body organs occur. This period is also accompanied by different kinds of stressors, including, but not limited to, the stress of weaning, metabolic change, and peri-puberty changes in reproductive functions. Shiba goats, the main goat breed in Japan, are not commonly used as food animals. However, male Shiba goats largely contribute to reproductive and cardiology research activities, as well as being used for educational purposes for elementary school children. The physiological data regarding laboratory measurements in Shiba goats are lacking, especially at a young age. In this study, we investigated the age-related changes in hematology, plasma mineral concentrations, hormones, and oxidative stress markers during the first five months (neonatal and peri-puberty age) in male Shiba goats. Abstract From a clinical point of view, the establishment of laboratory variables during the first few months of an animal’s life helps clinicians to make sure they base their medical decisions on laboratory values for the specific breed and age group. The present study aimed to investigate the monthly dynamics in some plasma elements, hematology, reproductive hormones, and oxidative stress marker profiles during the first five months of age (neonatal and peri-puberty stage) in male Shiba goat’s kids. Sixteen kids were investigated from the first to the fifth month (M1 to M5), and the data were presented as the statistical difference between them. Whole blood and plasma samples were collected monthly for analysis of basal hematology, plasma elements concentration (trace elements: Cu, Zn, Se, Fe, and Cr; macroelements: Ca and Mg), circulating hormones (cortisol, FSH, LH, IGF1, immunoreactive inhibin, testosterone, T3, and T4), and oxidative stress markers (MDA, CAT, SOD, and GPX). The results showed age-related changes in the observed parameters. The fifth month recorded the lowest level of almost all investigated minerals, except for Cr. Plasma hormone levels revealed age-dependent increases in IGF-1 and testosterone, age-related decreases in T3 and T4, and non-significant changes in cortisol and FSH. Besides, the concentrations of inhibin and LH were significantly higher at M1–M3 compared with M4–M5. Plasma SOD, GPX, and CAT were increased with age. In conclusion, age-related changes and a distinction of age in months was found necessary to interpret the laboratory results, specifically in terms of age in months and the peri-puberty stage in young goats, which are important to follow up the age-specific diseases, reproductive status, and treatment follow-ups in this stage.
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Affiliation(s)
- Ahmed S. Mandour
- Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Laboratory of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (L.H.); (K.S.); (R.T.)
- Correspondence:
| | - Haney Samir
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt;
- Laboratory of Veterinary Physiology, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan;
| | - Marwa A. El-Beltagy
- Department of Biochemistry, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt;
| | - Lina Hamabe
- Laboratory of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (L.H.); (K.S.); (R.T.)
| | - Hend A. Abdelmageed
- Department of Bacteriology, Animal Health Research Institute, Agriculture Research Center, Ismailia Laboratory, First District, Ismailia 41511, Egypt;
- Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
| | - Izumi Watanabe
- Laboratory of Environmental Toxicology, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan;
| | - Ahmed Elfadadny
- Department of Animal Internal Medicine, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt;
| | - Kazumi Shimada
- Laboratory of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (L.H.); (K.S.); (R.T.)
| | - Gamal El-Masry
- Agricultural Engineering Department, Faculty of Agriculture, Suez Canal University, Ismailia 21522, Egypt;
- Department of Pharmacology & Toxicology, College of Pharmacy, King Saud University, Riyadh 11564, Saudi Arabia;
| | - Salim Al-Rejaie
- Department of Pharmacology & Toxicology, College of Pharmacy, King Saud University, Riyadh 11564, Saudi Arabia;
| | - Ryou Tanaka
- Laboratory of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan; (L.H.); (K.S.); (R.T.)
| | - Gen Watanabe
- Laboratory of Veterinary Physiology, Tokyo University of Agriculture and Technology, Tokyo 183-0054, Japan;
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21
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Guo L, Zhang D, Tang W, Dong Z, Zhang Y, Wang S, Yin Y, Wan D. Correlations of gestational hemoglobin level, placental trace elements content, and reproductive performances in pregnant sows. J Anim Sci 2022; 100:6503612. [PMID: 35022729 PMCID: PMC8903142 DOI: 10.1093/jas/skac010] [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: 10/13/2021] [Accepted: 01/10/2022] [Indexed: 01/13/2023] Open
Abstract
The iron status of sows has a great influence on reproductive performance. Iron deficiency reduces reproductive performance and newborn piglet survival rate of sow. The hemoglobin is a potential predictor for the iron status of sows and is convenient for rapid detection in pig farms. However, the relationship between iron status, hemoglobin, placental trace elements, and reproductive performance remains unclear. In this study, the hemoglobin and reproductive performance of more than 500 sows with first to sixth parities at different gestation stages (25, 55, 75, 95, and 110 d of gestation) in two large-scale sow farms were collected, and the content of placental Fe, Zn, Mn, and Cu was analyzed. The results show that hemoglobin levels of sows during pregnancy (days 75, 95, and 110) decreased significantly (P < 0.001). As the parity increases, the hemoglobin levels of sows at days 25 and 55 of gestation and placental mineral element contents including Fe, Zn, Mn, and Cu at delivery decreased (P < 0.05), while the litter size, birth alive, and litter weights increased gradually (P < 0.001). Furthermore, hemoglobin during pregnancy had a negative linear correlation with litter weight and average weight (P < 0.05), and higher hemoglobin at day 25 of gestation may reduce the number of stillbirths (P = 0.05), but higher hemoglobin at day 110 of gestation may tend to be a benefit for the birth (P = 0.01). And there was a significant positive linear correlation between hemoglobin at day 110 of gestation and placental Fe and Mn levels (P = 0.002, P = 0.013). There was also a significant positive linear correlation among Fe, Zn, Mn, and Cu in the placenta (P < 0.001). The levels of Fe, Zn, and Mn in the placental at delivery were positively related to the average weight of the fetus (P = 0.048, P = 0.027, P = 0.047), and placental Cu was linearly correlated with litter size (P = 0.029). Our research revealed that the requirements for iron during gestation were varied in different gestation periods and parities. The feeds should be adjusted according to the gestation periods, parities, or iron status to meet the iron requirements of sows and fetal pigs.
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Affiliation(s)
- Liu Guo
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China,University of Chinese Academy of Sciences, Beijing 101408, China
| | - Dongming Zhang
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Wenjie Tang
- Animal Breeding and Genetics Key Laboratory of Sichuan Province, Livestock and Poultry Biological Products Key Laboratory of Sichuan Province, Sichuan Animal Science Academy, Chengdu, Sichuan 610066, China
| | - Zhenglin Dong
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Yawei Zhang
- Changsha Xinjia Bio-Engineering Co., Ltd., Changsha, Hunan 410000, China
| | - Shangchu Wang
- Changsha Xinjia Bio-Engineering Co., Ltd., Changsha, Hunan 410000, China
| | - Yulong Yin
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China,University of Chinese Academy of Sciences, Beijing 101408, China
| | - Dan Wan
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China,Corresponding author:
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Cao P, Nie G, Luo J, Hu R, Li G, Hu G, Zhang C. Cadmium and molybdenum co-induce pyroptosis and apoptosis by PTEN/PI3K/AKT axis in the liver of ducks. Food Funct 2022; 13:2142-2154. [DOI: 10.1039/d1fo02855c] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cadmium (Cd) and excessive molybdenum (Mo) have adverse impacts on animals. However, the hepatotoxicity co-induced by Cd and Mo in ducks has not been fully elucidated. In order to explore...
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Atazadegan MA, Heidari-Beni M, Riahi R, Kelishadi R. Association of selenium, zinc and copper concentrations during pregnancy with birth weight: A systematic review and meta-analysis. J Trace Elem Med Biol 2022; 69:126903. [PMID: 34823102 DOI: 10.1016/j.jtemb.2021.126903] [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: 06/01/2021] [Revised: 10/02/2021] [Accepted: 11/15/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Normal fetal growth is associated with maternal nutrition. Trace elements play important roles in fetus growth. This review aims to provide a summary of the literature evaluating the relation between selenium, zinc and copper levels during pregnancy with birth weight. METHOD A systematic literature search was conducted in Medline database (PubMed), Scopus, Web of science and Google scholar up to September 2020. Fifty observational studies were included in the final analyses. The desired pooled effect size was considered as standardized mean differences with 95 % CI or correlation. Cochran's Q statistic was used to test the heterogeneity between the included studies (I2). RESULT A significant differences were found between pooled standardized mean differences (SMD) of umbilical cord blood copper levels in small-for-gestational age birth weight (SGA) and appropriate-for-gestational age birth weight (AGA) (SMD: 0.34 μg/L, 95 % CI: 0.13 to 0.56). There was a significant pooled correlation between umbilical cord blood selenium concentrations and birth weight (r: 0.08, 95 % CI: 0.01 to 0.16). A significant pooled correlation was found between umbilical cord blood zinc concentrations and birth weight (r: 0.09, 95 % CI: 0.04 to 0.15), with significant heterogeneity (I2 % = 0.63). There was significant positive association between maternal blood zinc concentrations and birth weight. CONCLUSION Findings showed the association of trace elements including selenium, zinc and copper during pregnancy with birth weight. There was significant correlation between umbilical cord and maternal blood selenium and zinc levels with birth weight. The umbilical cord blood copper levels in SGA birth weight was higher than copper levels in AGA birth weight.
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Affiliation(s)
- Mohammad Amin Atazadegan
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Motahar Heidari-Beni
- Department of Nutrition, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Roya Riahi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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Wu W, Lu J, Ruan X, Ma C, Lu W, Luo Y, Luo D, Mu X. Maternal essential metals, thyroid hormones, and fetal growth: Association and mediation analyses in Chinese pregnant women. J Trace Elem Med Biol 2021; 68:126809. [PMID: 34153934 DOI: 10.1016/j.jtemb.2021.126809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 05/24/2021] [Accepted: 06/10/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Essential metals play critical roles in fetal growth and development, but results from human studies are inconsistent. Additionally, whether maternal thyroid hormone (TH) levels mediate the associations between essential metals and fetal growth remains unknown. METHODS Data for analysis were extracted from the Information System of Guangdong Women and Children Hospital between January 2017 and December 2019. Maternal levels of essential metals [copper (Cu), zinc (Zn), magnesium (Mg), and iron (Fe)] and THs were measured at the second trimester. Multivariate linear models were introduced to evaluate the potential associations between maternal essential metals, thyroid functions, and fetal growth, and the possible mediation effects of thyroid functions were explored in the median analyses. RESULTS A total of 4186 mother-infant pairs were included in the present study. Maternal Fe levels were found to significantly increase birth weight in 272.91 g (95 % CI: 15.59, 530.22) among anemia group. Maternal Cu levels were positively associated with increased free triiodothyronine/free thyroxine ratio (FT3/FT4). Negative associations of Fe and Mg levels with thyroid-stimulating hormone (TSH) concentrations were observed, accompanied with the positive associations in relation to FT3, FT4 and FT3/FT4 ratio. Mediation analyses suggested that 72.01 % of the associations between Fe levels and birth length might be mediated by FT3 levels. Additionally, 25.85 % of the Cu-birth length association and 44.53 % of the Fe-birth length association could be explained by FT3/FT4 ratio. CONCLUSION Our findings suggest that maternal Cu, Mg, and Fe levels can alter TH concentrations, and maternal FT3 and FT3/FT4 ratio might be potential mediators on the developmental effects of Cu and Fe levels.
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Affiliation(s)
- Weixiang Wu
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China
| | - Jianhua Lu
- Department of Information, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Xiaolin Ruan
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China
| | - Congli Ma
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China
| | - Weiming Lu
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China
| | - Yasha Luo
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China
| | - Dan Luo
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China
| | - Xiaoping Mu
- Department of Clinical Laboratory, Guangdong Women and Children Hospital, Guangzhou, 511443, China.
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Lian S, Zhang T, Yu Y, Zhang B. Relationship of Circulating Copper Level with Gestational Diabetes Mellitus: a Meta-Analysis and Systemic Review. Biol Trace Elem Res 2021; 199:4396-4409. [PMID: 33420698 DOI: 10.1007/s12011-020-02566-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 12/25/2020] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND PURPOSE Gestational diabetes mellitus (GDM) represents the frequently occurring medical disorder beginning in the process of pregnancy. No consensus has been reached about the relationship of circulating copper content with the risk of GDM. Therefore, the present work carried out a meta-analysis for summarizing epidemiological research regarding the copper level with the GDM risk. Furthermore, studies using categories of copper concentration as exposure were combined by dose-response meta-analysis. METHODS Related studies were retrieved against the PubMed, Web of Science, and Scopus databases from inception till August 2020. The overall effects were expressed as standard mean difference (SMD). A dose-response meta-analysis was conducted to assess whether the higher copper concentration was associated with higher risks of GDM. Stata 16.0 and Review Manager 5.3 were utilized for data analysis. RESULTS A total of fourteen articles involving were retrieved for meta-analysis; in the meantime, 2670 pregnant subjects including 910 GDM cases were enrolled for quantitative analysis. Based on the integrated findings, GDM cases showed increased circulating copper contents relative to those in normal pregnant subjects (SMD = 0.65, 95% CI 0.19 to 1.11; P = 0.005). There was no obvious evidence of publication bias among the studies enrolled. Subgroup analysis showed that such trend was consistent in the third trimester (SMD = 1.21, 95% CI 0.35 to 2.08; P = 0.006) but not second trimester. Meanwhile, circulating copper concentration was significantly higher in women with GDM than those without GDM within the Asian population but not within the Caucasian population (Asia: SMD = 0.73; 95% CI 0.12 to 1.34, P = 0.02; Europe: SMD = 0.49; 95% CI: - 0.23 to 1.20, P = 0.18). Further, serum copper analysis together with subgroup analysis was conducted, and the same result was obtained. For dose-response analysis, the linear associations between circulating copper and risks of GDM were revealed, that higher circulating copper concentration during pregnancy is closely associated with GDM. CONCLUSION According to existing evidence, the serum copper concentration increased among GDM cases compared with subjects with normality in glucose tolerance pregnant subject, in particular among the Asians and during the third trimester. The finding from dose-response analysis suggested that increased copper level is associated with an increased risk of GDM. Nonetheless, more specially designed prospective articles should be carried out for understanding the dynamic relationship of copper concentration with the GDM risk.
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Affiliation(s)
- Siyu Lian
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China
| | - Tingting Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China
| | - Yanchao Yu
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China
| | - Bao Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China.
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Osuchowska-Grochowska I, Blicharska E, Gogacz M, Nogalska A, Winkler I, Szopa A, Ekiert H, Tymczyna-Borowicz B, Rahnama-Hezavah M, Grochowski C. Brief Review of Endometriosis and the Role of Trace Elements. Int J Mol Sci 2021; 22:11098. [PMID: 34681755 PMCID: PMC8540211 DOI: 10.3390/ijms222011098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/13/2022] Open
Abstract
Endometriosis is a chronic, estrogen-dependent, inflammatory condition that is defined as the presence of endometrial glands and stroma outside the uterine cavity. Despite the progress in research into the mechanisms leading to the development of endometriosis, its cause has not yet been established. It seems to be possible that the formation of oxidative stress may be one of the main causes of the development of endometriosis. There is much research that studies the potential role of trace elements in the appearance of endometrial-like lesions. Most studies focus on assessing the content of selected trace elements in the blood, urine, or peritoneal fluid in women with endometriosis. Meanwhile, little is known about the content of these elements in endometrial-like implants, which may be helpful in developing the theory of endometriosis. Investigations that are more comprehensive are needed to confirm a hypothesis that some trace elements play a role in the pathomechanism of endometriosis.
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Affiliation(s)
| | - Eliza Blicharska
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Marek Gogacz
- 2nd Department of Gynecology, Lublin Medical University, 20-954 Lublin, Poland;
| | - Agata Nogalska
- Department of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland;
| | - Izabela Winkler
- 2nd Department of Gynecology, St John’s Center Oncology, 20-090 Lublin, Poland;
| | - Agnieszka Szopa
- Department of Pharmaceutical Botany, Jagielonian University, Collegium Medicum, 30-688 Kraków, Poland; (A.S.); (H.E.)
| | - Halina Ekiert
- Department of Pharmaceutical Botany, Jagielonian University, Collegium Medicum, 30-688 Kraków, Poland; (A.S.); (H.E.)
| | - Barbara Tymczyna-Borowicz
- Department of Conservative Dentistry with Endodontics, Medical University of Lublin, 20-439 Lublin, Poland;
| | | | - Cezary Grochowski
- Laboratory of Virtual Man, Medical University of Lublin, 20-439 Lublin, Poland;
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Association between the Concentrations of Metallic Elements in Maternal Blood during Pregnancy and Prevalence of Abdominal Congenital Malformations: The Japan Environment and Children's Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph181910103. [PMID: 34639405 PMCID: PMC8507911 DOI: 10.3390/ijerph181910103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 11/22/2022]
Abstract
Abdominal congenital malformations are responsible for early mortality, inadequate nutrient intake, and infant biological dysfunction. Exposure to metallic elements in utero is reported to be toxic and negatively impacts ontogeny. However, no prior study has sufficiently evaluated the effects of exposure to metallic elements in utero on abdominal congenital malformations. The aim of the present study was to evaluate associations between metallic elements detected in maternal blood during pregnancy and congenital abdominal malformations. Data from participants in the Japan Environment and Children’s Study was used in the present study, and contained information on singleton and live birth infants without congenital abnormalities (control: n = 89,134) and abdominal malformations (case: n = 139). Heavy metals such as mercury (Hg), lead (Pb), cadmium (Cd), and trace elements of manganese (Mn) and selenium (Se) were detected in maternal serum samples during mid- and late-gestation. Infant congenital abnormalities were identified from delivery records at birth or one month after birth by medical doctors. In a multivariate analysis adjusted to account for potential confounders, quartiles of heavy metals and trace elements present in maternal blood were not statistically correlated to the prevalence of abdominal congenital malformations at birth. This study is the first to reveal the absence of significant associations between exposure levels to maternal heavy metals and trace elements in utero and the prevalence of abdominal congenital malformations in a large cohort of the Japanese population. Further studies are necessary to investigate the impact of exposure to heavy metals and trace elements via maternal blood in offspring after birth.
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Signes-Pastor AJ, Desai G, García-Villarino M, Karagas MR, Kordas K. Exposure to a mixture of metals and growth indicators in 6-11-year-old children from the 2013-16 NHANES. EXPOSURE AND HEALTH 2021; 13:173-184. [PMID: 34151044 PMCID: PMC8210664 DOI: 10.1007/s12403-020-00371-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 06/09/2020] [Accepted: 07/03/2020] [Indexed: 05/18/2023]
Abstract
Lead (Pb), mercury (Hg) and fluoride (F) exposure during childhood is of concern owing to their toxicity. Also, evidence suggests that high and low exposure levels to manganese (Mn) and selenium (Se) during this vulnerable period are associated with an increased risk of adverse health effects. A reduced growth is associated with high Pb and F exposure; however, little is known about their impact on children's body size, and there is a lack of consensus on the effects of Hg, Mn, and Se exposure on children's anthropometric measures. This is particularly true for childhood metal co-exposures at levels relevant to the general population. We investigated the joint effects of exposure to a metal mixture (Pb, Mn, Hg, and Se in blood and F in plasma) on 6-11-year-old US children's anthropometry (n = 1,634). Median F, Pb, Mn, Hg, and Se concentrations were 0.3 μmol/L, 0.5 μg/dL, 10.2 μg/L, 0.3 μg/L, and 178.0 μg/L, respectively. The joint effects of the five metals were modeled using Bayesian kernel machine and linear regressions. Pb and Mn showed opposite directions of associations with all outcome measured, where Pb was inversely associated with anthropometry. For body mass index and waist circumference, the effect estimates for Pb and Mn appeared stronger at high and low concentrations of the other metals of the mixture, respectively. Our findings suggest that metal co-exposures may influence children's body mass and linear growth indicators, and that such relations may differ by the exposure levels of the components of the metal mixture.
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Affiliation(s)
| | - Gauri Desai
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY
| | - Miguel García-Villarino
- Unit of Molecular Cancer Epidemiology- IUOPA-CIBERESP, Department of Medicine, University of Oviedo, Oviedo
| | - Margaret R. Karagas
- Department of Epidemiology, Geisel School of Medicine, Dartmouth College, Lebanon, NH
| | - Katarzyna Kordas
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY
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29
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Pogorelova TN, Gunko VO, Nikashina AA, Mikhelson AA, Botasheva TL, Kaushanskaya LV. Violation of the balance of free metals and metal-containing proteins in amniotic fluid in placental insufficiency. Klin Lab Diagn 2021; 66:266-270. [PMID: 34047511 DOI: 10.51620/0869-2084-2021-66-5-266-270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The content of metal ions and proteins containing or binding these metals in amniotic fluid during different periods of physiological pregnancy and placental insufficiency (PI) was studied. The content of zinc, copper, magnesium, iron, zinc-α-2-glycoprotein, ferritin, ceruloplasmin and the activity of Ca2+, Mg2+-ATPase were estimated using spectrophotometric methods, immunoturbometric and enzyme immunoassay methods. It was found that in PI in both trimesters there is a decrease in the content of zinc, copper, iron and an increase in the level of copper. The indices of ceruloplasmin, ferritin, Ca2+, Mg2+-ATPase in PI are lower, and zinc-α-2-glycoprotein is higher than in similar periods of physiological gestation. A close correlation of different directions has been established between the level of metals and the corresponding proteins. The revealed violations obviously play a certain pathogenetic role in the development of PI, and the indicators of the ratio between metals can serve as markers for predicting the state of newborns.
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Aung MT, M Bakulski K, Feinberg JI, F Dou J, D Meeker J, Mukherjee B, Loch-Caruso R, Ladd-Acosta C, Volk HE, Croen LA, Hertz-Picciotto I, Newschaffer CJ, Fallin MD. Maternal blood metal concentrations and whole blood DNA methylation during pregnancy in the Early Autism Risk Longitudinal Investigation (EARLI). Epigenetics 2021; 17:253-268. [PMID: 33794742 DOI: 10.1080/15592294.2021.1897059] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The maternal epigenome may be responsive to prenatal metals exposures. We tested whether metals are associated with concurrent differential maternal whole blood DNA methylation. In the Early Autism Risk Longitudinal Investigation cohort, we measured first or second trimester maternal blood metals concentrations (cadmium, lead, mercury, manganese, and selenium) using inductively coupled plasma mass spectrometry. DNA methylation in maternal whole blood was measured on the Illumina 450 K array. A subset sample of 97 women had both measures available for analysis, all of whom did not report smoking during pregnancy. Linear regression was used to test for site-specific associations between individual metals and DNA methylation, adjusting for cell type composition and confounding variables. Discovery gene ontology analysis was conducted on the top 1,000 sites associated with each metal. We observed hypermethylation at 11 DNA methylation sites associated with lead (FDR False Discovery Rate q-value <0.1), near the genes CYP24A1, ASCL2, FAT1, SNX31, NKX6-2, LRC4C, BMP7, HOXC11, PCDH7, ZSCAN18, and VIPR2. Lead-associated sites were enriched (FDR q-value <0.1) for the pathways cell adhesion, nervous system development, and calcium ion binding. Manganese was associated with hypermethylation at four DNA methylation sites (FDR q-value <0.1), one of which was near the gene ARID2. Manganese-associated sites were enriched for cellular metabolism pathways (FDR q-value<0.1). Effect estimates for DNA methylation sites associated (p < 0.05) with cadmium, lead, and manganese were highly correlated (Pearson ρ > 0.86). DNA methylation sites associated with lead and manganese may be potential biomarkers of exposure or implicate downstream gene pathways.
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Affiliation(s)
- Max T Aung
- Department of Biostatistics, University of Michigan, Ann Arbor, USA
| | - Kelly M Bakulski
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, USA
| | - Jason I Feinberg
- Wendy Klag Center for Autism and Developmental Disabilities, Johns Hopkins University, Baltimore, USA.,Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, USA.,Center for Epigenetics, School of Medicine, Johns Hopkins University, Baltimore, USA
| | - John F Dou
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, USA
| | - John D Meeker
- Department of Environmental Health, School of Public Health, University of Michigan, Ann Arbor, USA
| | - Bhramar Mukherjee
- Department of Biostatistics, University of Michigan, Ann Arbor, USA.,Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, USA
| | - Rita Loch-Caruso
- Department of Environmental Health, School of Public Health, University of Michigan, Ann Arbor, USA
| | - Christine Ladd-Acosta
- Wendy Klag Center for Autism and Developmental Disabilities, Johns Hopkins University, Baltimore, USA.,Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, USA
| | - Heather E Volk
- Wendy Klag Center for Autism and Developmental Disabilities, Johns Hopkins University, Baltimore, USA.,Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, USA
| | - Lisa A Croen
- Division of Research, Kaiser Permanente, Oakland, USA
| | - Irva Hertz-Picciotto
- Department of Public Health Sciences, School of Medicine, University of California Davis, Davis, USA
| | - Craig J Newschaffer
- Department of Biobehavioral Health, College of Health and Human Development, Penn State University, USA
| | - M Daniele Fallin
- Wendy Klag Center for Autism and Developmental Disabilities, Johns Hopkins University, Baltimore, USA.,Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, USA
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Duclau A, Abad F, Adenis A, Sabbah N, Leneuve M, Nacher M. Prevalence and risk factors for micronutrient deficiencies during pregnancy in Cayenne, French Guiana. Food Nutr Res 2021; 65:5268. [PMID: 33776616 PMCID: PMC7955516 DOI: 10.29219/fnr.v65.5268] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 01/11/2021] [Accepted: 01/30/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Involved in physical and brain development, immunity and metabolism, micronutrients have profound health effects. The nutritional status of pregnant women is a major determinant of foetal health. French Guiana has a rapid population growth. Social inequalities, cultural practices and gastrointestinal nematode infections in French Guiana could affect the prevalence of these deficiencies. The main objective of the present study was to estimate the prevalence of micronutrient deficiency among pregnant women in French Guiana. The secondary objective was to identify socio-demographic, dietary, obstetrical and neonatal risk factors associated with deficiencies. METHODS Pregnant women over 22 weeks of pregnancy hospitalized for delivery at the Obstetrical Emergency Department of the Hospital Center in Cayenne from May 2018 to March 2019 were included. A socio-demographic and food questionnaire was administered. Medical data were collected from the medical records. Blood and urine samples were taken. The descriptive analysis used Student and chi-squared tests. RESULTS A total of 341 women were included. The majority were born in Haiti (39%) and French Guiana (34%). At least one micronutrient deficiency was observed in 81% of women. Precarious women had a significantly greater risk of micronutrient deficiency during pregnancy compared to those with both normal and complementary health insurance. CONCLUSIONS Micronutrient deficiencies in pregnant women in French Guiana are a public health problem, a fact that was previously overlooked in the context of rising obesity. With over half the women overweight or obese, and 81% with at least 1 micronutrient deficiency, balanced nutrition should be a major focus.
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Affiliation(s)
- Amandine Duclau
- Centre d’Investigation Clinique, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
| | - Fanny Abad
- Centre d’Investigation Clinique, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
| | - Antoine Adenis
- Centre d’Investigation Clinique, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
| | - Nadia Sabbah
- Service d’endocrinologie et diabétologie, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
| | - Malika Leneuve
- Pôle Femme Enfant, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
| | - Mathieu Nacher
- Centre d’Investigation Clinique, Centre Hospitalier Andrée Rosemon, Cayenne, French Guiana
- Université de Guyane, Cayenne, French Guiana
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Wu Z, Yuan Y, Tian J, Long F, Luo W. The associations between serum trace elements and bone mineral density in children under 3 years of age. Sci Rep 2021; 11:1890. [PMID: 33479410 PMCID: PMC7820346 DOI: 10.1038/s41598-021-81501-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 01/05/2021] [Indexed: 12/31/2022] Open
Abstract
We examined the associations of age and serum magnesium, iron, lead, copper, and zinc levels with bone mineral density (BMD) in 2412 children under 3 years of age in order to find a tool to monitor BMD in children without the use of expensive imaging techniques. One-way ANOVA and chi-square tests were used to determine the associations of age and serum trace elements with BMD. Multivariable logistic regression analysis was used to test the correlation of five serum trace elements with BMD after adjustments for potential confounding factors in children under 3 years of age. Significant associations between age and four serum trace elements and BMD were found. Compared to the group with the lowest serum levels detected, the adjusted odds ratio (OR) for the incidence of normal bone mineral density in the third magnesium concentration tertile, the third iron concentration tertile, the fifth copper concentration quintile, the third zinc concentration quintile, and the fifth zinc concentration quintile were 1.30 (95% confidence interval (CI) 1.02–1.67), 1.43 (95% CI 1.11–1.84), 1.42 (95% CI 1.04–1.94), 1.46 (95% CI 1.05–2.04), and 1.48 (95% CI 1.06–2.06), respectively. However, there was no significant correlation between serum lead level and BMD in this study. Age and serum magnesium, iron, copper, and zinc levels are positively associated with BMD in children under 3 years old.
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Affiliation(s)
- Ziyi Wu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yuhao Yuan
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Jian Tian
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Feng Long
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Wei Luo
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
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Ashrap P, Watkins DJ, Milne GL, Ferguson KK, Loch-Caruso R, Fernandez J, Rosario Z, Vélez-Vega CM, Alshawabkeh A, Cordero JF, Meeker JD. Maternal Urinary Metal and Metalloid Concentrations in Association with Oxidative Stress Biomarkers. Antioxidants (Basel) 2021; 10:antiox10010114. [PMID: 33467519 PMCID: PMC7830802 DOI: 10.3390/antiox10010114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 01/22/2023] Open
Abstract
Metal exposure has been associated with a wide range of adverse birth outcomes and oxidative stress is a leading hypothesis of the mechanism of action of metal toxicity. We assessed the relationship between maternal exposure to essential and non-essential metals and metalloids in pregnancy and oxidative stress markers, and sought to identify windows of vulnerability and effect modification by fetal sex. In our analysis of 215 women from the PROTECT birth cohort study, we measured 14 essential and non-essential metals in urine samples at three time points during pregnancy. The oxidative stress marker 8-iso-prostaglandin F2α (8-iso-PGF2α) and its metabolite 2,3-dinor-5,6-dihydro-15-15-F2t-IsoP, as well as prostaglandin F2α (PGF2α), were also measured in the same urine samples. Using linear mixed models, we examined the main effects of metals on markers of oxidative stress as well as the visit-specific and fetal sex-specific effects. After adjustment for covariates, we found that a few urinary metal concentrations, most notably cesium (Cs) and copper (Cu), were associated with higher 8-iso-PGF2α with effect estimates ranging from 7.3 to 14.9% for each interquartile range, increase in the metal concentration. The effect estimates were generally in the same direction at the three visits and a few were significant only among women carrying a male fetus. Our data show that higher urinary metal concentrations were associated with elevated biomarkers of oxidative stress. Our results also indicate a potential vulnerability of women carrying a male fetus.
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Affiliation(s)
- Pahriya Ashrap
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA; (P.A.); (D.J.W.); (R.L.-C.); (J.F.)
| | - Deborah J. Watkins
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA; (P.A.); (D.J.W.); (R.L.-C.); (J.F.)
| | - Ginger L. Milne
- Vanderbilt University Medical Center, Division of Clinical Pharmacology, Nashville, TN 37232, USA;
| | - Kelly K. Ferguson
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, NC 27709, USA;
| | - Rita Loch-Caruso
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA; (P.A.); (D.J.W.); (R.L.-C.); (J.F.)
| | - Jennifer Fernandez
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA; (P.A.); (D.J.W.); (R.L.-C.); (J.F.)
| | - Zaira Rosario
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA 30602, USA; (Z.R.); (J.F.C.)
| | - Carmen M. Vélez-Vega
- UPR Medical Sciences Campus, University of Puerto Rico Graduate School of Public Health, San Juan, PR 00921, USA;
| | - Akram Alshawabkeh
- College of Engineering, Northeastern University, Boston, MA 02115, USA;
| | - José F. Cordero
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA 30602, USA; (Z.R.); (J.F.C.)
| | - John D. Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA; (P.A.); (D.J.W.); (R.L.-C.); (J.F.)
- Correspondence: ; Tel.: +1-734-764-7184
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Birhanie MW, Adekunle AO, Arowojolu AO, Dugul TT, Mebiratie AL. Micronutrients Deficiency and Their Associations with Pregnancy Outcomes: A Review . NUTRITION AND DIETARY SUPPLEMENTS 2020. [DOI: 10.2147/nds.s274646] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Ogrizek-Pelkič K, Sobočan M, Takač I. Low Selenium Levels in Amniotic Fluid Correlate with Small-For-Gestational Age Newborns. Nutrients 2020; 12:nu12103046. [PMID: 33027985 PMCID: PMC7600462 DOI: 10.3390/nu12103046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/28/2020] [Accepted: 10/02/2020] [Indexed: 12/14/2022] Open
Abstract
Background: Identifying women at risk for small-for-gestational-age newborns (SGA) is an important challenge in obstetrics. Several different risk factors have been suggested to contribute to the development of SGA. Previous research is inconclusive on the role selenium (Se) plays in the development of SGA. The aim of the study was therefore to explore the role of Se concentrations in amniotic fluid in order to understand its possible role in the development of SGA. Study Design: This prospective, single center study investigated the relationships between Se concentrations in amniotic fluid and pregnancy outcomes. Amniotic fluid was collected from pregnant women during amniocentesis at 16/17 weeks of pregnancy. Se values were determined using the electrothermal atomic absorption spectrometry and expressed in µg/L. Characteristics of mothers and newborns were obtained from women and delivery records. Results: 327 samples of amniotic fluid were evaluated. Patients with SGA newborns had significantly lower mean values of amniotic fluid concentrations of Se compared to appropriate-for-gestational-age (AGA) newborns (4.8 ± 1.9 µg/L versus 5.6 ± 2.5 µg/L (p = 0.017)). Adjusting for different risk factors, Se remained the only significant factor impacting the outcome of a newborn (b = −0.152, s.e. = 0.077; p < 0.048). Se levels in amniotic fluid did not correlate with pre-eclampsia or preterm delivery. Conclusion: Amniotic fluid Se levels represent a viable root of further investigation and assessment in order to identify women with low birth weight newborns early. Women with decreased Se levels had a statistically significant chance of developing SGA. Further research is needed to elucidate the link between Se, other trace elements, and other risk factors and their impact on the development of SGA newborns.
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Affiliation(s)
- Ksenija Ogrizek-Pelkič
- Faculty of Medicine, Department of Obstetrics and Gynaecology, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia; (K.O.-P.); (I.T.)
| | - Monika Sobočan
- Faculty of Medicine, Department of Obstetrics and Gynaecology, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia; (K.O.-P.); (I.T.)
- University Medical Centre Maribor, Division of Gynaecology and Perinatology, Ljubljanska ulica 5, 2000 Maribor, Slovenia
- Correspondence: ; Tel.: +386-2321-2173
| | - Iztok Takač
- Faculty of Medicine, Department of Obstetrics and Gynaecology, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia; (K.O.-P.); (I.T.)
- University Medical Centre Maribor, Division of Gynaecology and Perinatology, Ljubljanska ulica 5, 2000 Maribor, Slovenia
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Grzeszczak K, Kwiatkowski S, Kosik-Bogacka D. The Role of Fe, Zn, and Cu in Pregnancy. Biomolecules 2020; 10:E1176. [PMID: 32806787 PMCID: PMC7463674 DOI: 10.3390/biom10081176] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 12/15/2022] Open
Abstract
Iron (Fe), copper (Cu), and zinc (Zn) are microelements essential for the proper functioning of living organisms. These elements participatein many processes, including cellular metabolism and antioxidant and anti-inflammatory defenses, and also influence enzyme activity, regulate gene expression, and take part in protein synthesis. Fe, Cu, and Zn have a significant impact on the health of pregnant women and in the development of the fetus, as well as on the health of the newborn. A proper concentration of these elements in the body of women during pregnancy reduces the risk of complications such as anemia, induced hypertension, low birth weight, preeclampsia, and postnatal complications. The interactions between Fe, Cu, and Zn influence their availability due to their similar physicochemical properties. This most often occurs during intestinal absorption, where metal ions compete for binding sites with transport compounds. Additionally, the relationships between these ions have a great influence on the course of reactions in the tissues, as well as on their excretion, which can be stimulated or delayed. This review aims to summarize reports on the influence of Fe, Cu, and Zn on the course of single and multiple pregnancies, and to discuss the interdependencies and mechanisms occurring between Fe, Cu, and Zn.
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Affiliation(s)
- Konrad Grzeszczak
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland;
| | - Sebastian Kwiatkowski
- Department of Obstetrics and Gynecology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland;
| | - Danuta Kosik-Bogacka
- Independent Laboratory of Pharmaceutical Botany, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
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Raia-Barjat T, Prieux C, Leclerc L, Sarry G, Grimal L, Chauleur C, Pourchez J, Forest V. Elemental fingerprint of human amniotic fluids and relationship with potential sources of maternal exposure. J Trace Elem Med Biol 2020; 60:126477. [PMID: 32142960 DOI: 10.1016/j.jtemb.2020.126477] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/30/2020] [Accepted: 02/10/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND The impact of nanoparticles we are increasingly exposed to remains largely unknown. Of particular concern is the exposure of pregnant women and potential impact on fetal development. Indeed, many in vitro and in vivo animal studies have shown that nanoparticles are able to cross the placental barrier and induce toxic effects to the fetus. However, little is known in humans. OBJECTIVE The aim and originality of this study were to investigate the nanoparticle burden of amniotic fluids in pregnant women. Methods - To that purpose, 100 amniotic fluids collected for clinical purposes were used to determine the nanoparticle quantity and nature by inductively coupled plasma atomic emission spectroscopy (NAMIOTIC, ClinicalTrials.gov Identifier: NCT02720887). Results - The prevalence of patients with a substantial concentration for the essential trace elements Cu, Fe and Zn was high, while that of patients with a substantial concentration of Al, Ag, Be, Co, Cr, Ni, Si, Ti and W was relatively low (under 20 %). It was generally higher in the fraction containing nanoparticles and ions than in the fraction containing micro- and submicroparticles. No correlation was found between the nanoparticle burden and the different potential sources of exposure to nanoparticles (smoking status of the patient, living area, heating source, mode of transport, leisure, use of hygiene products and cosmetics and occupational activities). CONCLUSION Our results showing low concentrations and low prevalence of most of the assessed elements in amniotic fluids are reassuring. Further research is needed to draw firm conclusions on the developmental toxicity of engineered nanoparticles in humans but the present paper can provide a useful basis for further evaluation of the fetal toxicity of nanoparticles.
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Affiliation(s)
- Tiphaine Raia-Barjat
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Carole Prieux
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Lara Leclerc
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Gwendoline Sarry
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Lucile Grimal
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Céline Chauleur
- Univ Lyon, Univ Jean Monnet, INSERM, U 1059 SainBioSE, F-42023 Saint-Etienne, France; University Hospital Saint-Etienne, Department of Gynecology and Obstetrics, F-42055 Saint-Etienne, France
| | - Jérémie Pourchez
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
| | - Valérie Forest
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France.
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Yin S, Wang C, Wei J, Wang D, Jin L, Liu J, Wang L, Li Z, Ren A, Yin C. Essential trace elements in placental tissue and risk for fetal neural tube defects. ENVIRONMENT INTERNATIONAL 2020; 139:105688. [PMID: 32244100 DOI: 10.1016/j.envint.2020.105688] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 06/11/2023]
Abstract
This study examined the associations between concentrations of cobalt (Co), iron (Fe), manganese (Mn), molybdenum (Mo), selenium (Se), and zinc (Zn) in placental tissue and risks for NTDs with a case-control design consisting of 408 fetuses or newborns with neural tube defects (NTDs) and 593 non-malformed fetuses or newborns. The concentrations of Zn and Fe were determined by inductively coupled plasma-emission spectrometer and the other four elements by inductively coupled plasma-mass spectrometer. Element concentrations were presented in ng/g or µg/g dry weight of placental tissue. The associations between the levels of each of the six ETEs and risk for NTDs were evaluated using multivariable logistic regression, and the associations between overall levels of all six ETEs and risk for NTDs were examined using Bayesian kernel machine regression (BKMR). Concentrations above the median concentration of all participants for an individual element were associated with increased risk for NTDs: Mn, 3.17-fold (95% CI 2.35-4.28); Mo, 3.73-fold (95% CI 2.74-5.07); Se, 3.28-fold (95% CI 2.44-4.42); and Zn, 2.85-fold (95% CI 2.13-3.83), and a decreased risk for Co [OR, 0.18 (95% CI 0.14-0.25)]. The risk for NTDs increased with the increase in the concentrations of Mn, Mo, Se, and Zn, but decreased for Co, in the second, third, and fourth quartiles, respectively, compared to their lowest quartile (all Pstrend < 0.01). In BKMR model, the risk for NTDs increased constantly when the overall exposure levels were higher than the median of the six ETEs as a co-exposure mixture, and the associations between Co, Mn, Se, and Zn and NTD risk remained when the remaining five elements were taken into consideration simultaneously. Taken together, when evaluated individually, higher levels of Mn, Se, and Zn in placental tissue are associated with increased risk for NTDs, while higher levels of Co are associated with decreased risk for NTDs; when examined collectively, the risk of NTDs increases continuously when exposure levels are higher than the median of the six ETE mixture.
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Affiliation(s)
- Shengju Yin
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China
| | - Chengrong Wang
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Jing Wei
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Di Wang
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Lei Jin
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Jufen Liu
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Linlin Wang
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Zhiwen Li
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Aiguo Ren
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing 100191, China; Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China.
| | - Chenghong Yin
- Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China.
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Xiong Q, Liu A, Ren Q, Xue Y, Yu X, Ying Y, Gao H, Tan H, Zhang Z, Li W, Zeng S, Xu C. Cuprous oxide nanoparticles trigger reactive oxygen species-induced apoptosis through activation of erk-dependent autophagy in bladder cancer. Cell Death Dis 2020; 11:366. [PMID: 32409654 PMCID: PMC7224387 DOI: 10.1038/s41419-020-2554-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 01/19/2023]
Abstract
Cisplatin-based chemotherapy is the first-line treatment for patients with advanced bladder cancer. However, as more than 50% of patients are ineligible for cisplatin-based chemotherapy, there is an urgent need to develop new drugs. Cuprous oxide nanoparticles (CONPs), as a new nano-therapeutic agent, have been proved to be effective in many kinds of tumors. In the present study, CONPs showed dose-dependent and time-dependent inhibitory effects on various bladder cancer cell lines (T24, J82, 5637, and UMUC3) and weak inhibitory effects on non-cancerous epithelial cells (SVHUCs). We found that CONPs induced cell cycle arrest and apoptosis in bladder cancer cells. We further demonstrated that the potential mechanisms of CONP-induced cytotoxicity were apoptosis, which was triggered by reactive oxygen species through activation of ERK signaling pathway, and autophagy. Moreover, the cytotoxic effect of CONPs on bladder cancer was confirmed both in orthotopic xenografts and subcutaneous nude mouse models, indicating that CONPs could significantly suppress the growth of bladder cancer in vivo. In further drug combination experiments, we showed that CONPs had a synergistic drug–drug interaction with cisplatin and gemcitabine in vitro, both of which are commonly used chemotherapy agents for bladder cancer. We further proved that CONPs potentiated the antitumor activity of gemcitabine in vivo without exacerbating the adverse effects, suggesting that CONPs and gemcitabine can be used for combination intravesical chemotherapy. In conclusion, our preclinical data demonstrate that CONPs are a promising nanomedicine against bladder cancer and provide good insights into the application of CONPs and gemcitabine in combination for intravesical bladder cancer treatment.
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Affiliation(s)
- Qiao Xiong
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Anwei Liu
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Qian Ren
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Yongping Xue
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Xiaowen Yu
- Department of Geriatrics, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Yidie Ying
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Hongliang Gao
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Haoyuan Tan
- Company 6 regiment 2, College of Basic Medicine, Second Military Medical University, Shanghai, P. R. China
| | - Zhensheng Zhang
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Wei Li
- Laboratory of Nano Biomedicine, Second Military Medical University, Shanghai, 200433, P. R. China
| | - Shuxiong Zeng
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China.
| | - Chuanliang Xu
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai, P. R. China.
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Gajewska K, Błażewicz A, Laskowska M, Niziński P, Dymara-Konopka W, Komsta Ł. Chemical elements and preeclampsia - An overview of current problems, challenges and significance of recent research. J Trace Elem Med Biol 2020; 59:126468. [PMID: 32007824 DOI: 10.1016/j.jtemb.2020.126468] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 12/04/2019] [Accepted: 01/10/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVES Data on the elemental status, redistribution of the elements, role of occupational exposure and dietary assessment in preeclampsia (PE) are scarce. There are many disparities in the findings of essential and non-essential elements' role in PE. In this article we overview the changes in the content of selected elements in pregnancy complicated with the disorder of complex and not fully understood etiology. We have focused on important limitations and highlighted shortcomings in research from the last ten years period. METHODS The Scopus and PubMed electronic databases have been searched for English-language articles published within the time interval 2008-2018, with full text available and with the key words "preeclampsia" and "chemical element" (i.e. separately: Cd, Pb, As, Ni, Mo, Co, Cr, Mn, Se, I, Fe, Sr, Cu, Zn, Mg, K and Na) appearing in the title, abstract or keywords. RESULTS A total of 48 publications were eligible for this overview. Surprisingly only 4% of papers considered environmental exposure, 8%- diet and 2 %- comorbid diseases. In most published papers, occupational exposure was neglected. Meta-analysis was possible for seven elements in serum (Ca, Cu, Fe, Mg, Mn, Se, Zn), and two elements (Se, Zn) in plasma. It showed negative shift for most elements, however only several were statistically significant. CONLUSIONS The overview of the published data on PE and chemical elements yields varied results. Some of the reasons may be the difference in not duly validated method of determination, and huge discrepancies in study designs. The lack of detailed description of studied and control population and small number of samples constitute the most common limitations of such studies. Many of them describe the use of a single analytical procedure, therefore the quality of research may be insufficient to obtain reliable results. A history of elements' status and intake before and during pregnancy is usually not examined. Dietary assessment should be done at different stages of pregnancy, and whenever possible in the periconceptional period as well. It still needs to be established whether the deficiency of certain elements or their excess may be an etiopathogenic factor and a developmental cause of PE, and if it may serve as a target of actions in the causal treatment or even prevention of the occurrence of this disease.
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Affiliation(s)
- Katarzyna Gajewska
- Chair of Chemistry, Department of Analytical Chemistry, Medical University of Lublin, Poland.
| | - Anna Błażewicz
- Chair of Chemistry, Department of Analytical Chemistry, Medical University of Lublin, Poland
| | - Marzena Laskowska
- Chair and Department of Obstetrics and Perinatology, Medical University of Lublin, Poland
| | - Przemysław Niziński
- Chair of Chemistry, Department of Analytical Chemistry, Medical University of Lublin, Poland
| | | | - Łukasz Komsta
- Department of Medicinal Chemistry, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Poland
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Van Brusselen D, Kayembe-Kitenge T, Mbuyi-Musanzayi S, Lubala Kasole T, Kabamba Ngombe L, Musa Obadia P, Kyanika Wa Mukoma D, Van Herck K, Avonts D, Devriendt K, Smolders E, Nkulu CBL, Nemery B. Metal mining and birth defects: a case-control study in Lubumbashi, Democratic Republic of the Congo. Lancet Planet Health 2020; 4:e158-e167. [PMID: 32353296 DOI: 10.1016/s2542-5196(20)30059-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/08/2020] [Accepted: 03/09/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Widespread environmental contamination caused by mining of copper and cobalt has led to concerns about the possible association between birth defects and exposure to several toxic metals in southern Katanga, Democratic Republic of the Congo (DRC). We therefore aimed to assess the possible contribution of parental and antenatal exposure to trace metals to the occurrence of visible birth defects among neonates. METHODS We did a case-control study between March 1, 2013, and Feb 28, 2015, in Lubumbashi, DRC. We included newborns with visible birth defects (cases) and healthy neonates born in the same maternity ward (controls). Mothers were interviewed about potentially relevant exposures, including their partners' jobs. Various trace metals were measured by inductively coupled plasma mass spectrometry in maternal urine, maternal blood, umbilical cord blood, placental tissue, and surface dust at home. Multivariable logistic regression analyses were done to calculate adjusted odds ratios and their 95% CIs (CI). FINDINGS Our study included 138 neonates with visible birth defects (about 0·1% of the 133 662 births in Lubumbashi during the study period) and 108 control neonates. Potential confounders were similarly distributed between cases and controls. Vitamin consumption during pregnancy was associated with a lower risk of birth defects (adjusted odds ratio 0·2, 95% CI 0·1-0·5). Mothers having paid jobs outside the home (2·8, 1·2-6·9) and fathers having mining-related jobs (5·5, 1·2-25·0) were associated with a higher risk of birth defects. We found no associations for trace metal concentrations in biological samples, except for a doubling of manganese (Mn; 1·7, 1·1-2·7) and zinc (Zn; 1·6, 0·9-2·8) in cord blood. In a separate model including placentas, a doubling of Mn at the fetal side of the placenta was associated with an increased risk of birth defects (3·3, 1·2-8·0), as was a doubling of cord blood Zn (5·3, 1·6-16·6). INTERPRETATION To our knowledge, this is the first study of the effects of mining-related pollution on newborns in sub-Saharan Africa. Paternal occupational mining exposure was the factor most strongly associated with birth defects. Because neither Mn nor Zn are mined in Lubumbashi, the mechanism of the association between their increased prenatal concentrations and birth defects is unclear. FUNDING Flemish Interuniversity Council-University Development Cooperation, The Coalition of the North-South movement in Flanders 11.11.11.
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Affiliation(s)
- Daan Van Brusselen
- Department of Public Health & Primary Care, Ghent University, Ghent, Belgium; Department of (Tropical) Pediatrics, GZA Hospitals, Antwerp, Belgium
| | - Tony Kayembe-Kitenge
- Department of Public Health, University of Lubumbashi, Lubumbashi, DR Congo; Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
| | | | - Toni Lubala Kasole
- Department of Paediatrics, University of Lubumbashi, Lubumbashi, DR Congo
| | | | - Paul Musa Obadia
- Department of Public Health, University of Lubumbashi, Lubumbashi, DR Congo; Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
| | | | - Koen Van Herck
- Department of Public Health & Primary Care, Ghent University, Ghent, Belgium
| | - Dirk Avonts
- Department of Public Health & Primary Care, Ghent University, Ghent, Belgium
| | - Koen Devriendt
- Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Erik Smolders
- Department of Earth and Environmental Sciences, KU Leuven, Leuven, Belgium
| | | | - Benoit Nemery
- Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium.
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Skalnaya MG, Tinkov AA, Lobanova YN, Chang JS, Skalny AV. Serum levels of copper, iron, and manganese in women with pregnancy, miscarriage, and primary infertility. J Trace Elem Med Biol 2019; 56:124-130. [PMID: 31466044 DOI: 10.1016/j.jtemb.2019.08.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 08/06/2019] [Accepted: 08/20/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Iron (Fe), copper (Cu), and manganese (Mn) play a significant role in female reproduction and fetal development. At the same time, high levels of metals may exert toxic effects. Correspondingly, both excess and deficiency of essential trace elements were shown to be associated with female infertility and adverse pregnancy outcome, although the existing data are rather contradictory. Therefore, the objective of the present study was to reveal the potential role of altered iron, copper, and manganese status in female reproductive health problems through assessment of serum metal levels in healthy non-pregnant and pregnant women, as well as patients with miscarriage and primary infertility. METHODS A total of 150 healthy controls, 169 pregnant women (II trimester of pregnancy), 75 women with miscarriage, and 91 patients with primary infertility were enrolled. Serum metal levels were assessed using ICP-MS. RESULTS Pregnant women are characterized by a significant increase in serum Cu an Mn levels by 40% (p < 0.001) and 16% (p = 0.043) as compared to the controls, respectively. Serum Cu levels in women with miscarriage and infertility were 30% and 35% lower than those in pregnant women (p < 0.001). No significant difference in serum iron levels were observed between the control and pregnant women. Women who had miscarriage were characterized by 13% (p = 0.042) higher serum Fe levels as compared to the pregnant ones. Multiple regression analysis demonstrated that serum copper levels was significantly associated both with pregnancy (β = 0.436; p < 0.001) and reproductive health problems in women (β = -0.272; p < 0.001). The latter was improved significant after adjustment for serum Fe and Mn levels, age, and BMI (β = -0.431; p < 0.001). The model incorporating serum Cu, Fe, Mn, and anthropometric parameters accounted for 23% of variability in reproductive status (p < 0.001). CONCLUSIONS It is proposed that the lack of pregnancy-associated increase in metal levels in miscarriage and infertility may be indicative of at least partial role of metal insufficiency in impaired pregnancy and reproductive function in general. However, detailed clinical studies as well as experimental investigations are required for assessment of the potential causes and mechanisms of the observed associations.
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Affiliation(s)
- Margarita G Skalnaya
- Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia; IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119146, Russia
| | - Alexey A Tinkov
- Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia; IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119146, Russia; Yaroslavl State University, Yaroslavl, 150003, Russia.
| | - Yulia N Lobanova
- Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia
| | - Jung-Su Chang
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, 11031, Taiwan; Graduate Institute of Metabolism and Obesity Sciences, College of Nutrition, Taipei Medical University, Taipei, 11031, Taiwan; Nutrition Research Center, Taipei Medical University Hospital, Taipei, 11031, Taiwan
| | - Anatoly V Skalny
- Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia; IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119146, Russia; Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, 460000, Russia
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Amoah I, Lutterodt HE, Adubofuor J, Marengo M, Adonu S, Johnson PT, Manful J, Iametti S. Characterization of two new rice varieties,
Amankwatia
and
AGRA
, grown in Ghana. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.14230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Isaac Amoah
- Department of Biochemistry and Biotechnology Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Herman E. Lutterodt
- Department of Food Science and Technology Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Joseph Adubofuor
- Department of Food Science and Technology Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Mauro Marengo
- Department of Food, Environmental and Nutritional Sciences University of Milan Milan Italy
| | - Stephen Adonu
- Department of Food Science and Technology Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Paa‐Nii T. Johnson
- Department of Agroprocessing Technology and Food Biosciences CSIR‐College of Science and Technology Accra Ghana
| | - John Manful
- Ministry of Food and Agriculture Accra Ghana
| | - Stefania Iametti
- Department of Food, Environmental and Nutritional Sciences University of Milan Milan Italy
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Ibrahim SAZ, Kerkadi A, Agouni A. Selenium and Health: An Update on the Situation in the Middle East and North Africa. Nutrients 2019; 11:E1457. [PMID: 31252568 PMCID: PMC6682981 DOI: 10.3390/nu11071457] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 06/15/2019] [Accepted: 06/19/2019] [Indexed: 12/22/2022] Open
Abstract
Selenium (Se) is an important trace element that should be present in the diet of all age groups to provide an adequate intake. Se is incorporated in 25 known selenoproteins, which mediate the biological effects of Se including, immune response regulation, maintenance of thyroid function, antioxidant defense, and anti-inflammatory actions. A balanced intake of Se is critical to achieve health benefits because depending on its status, Se has been found to play physiological roles or contribute to the pathophysiology of various diseases including, neurodegenerative diseases, diabetes, cancer, and cardiovascular disorders. Se status and intake are very important to be known for a specific population as the levels of Se are highly variable among different populations and regions. In the Middle East and North African (MENA) region, very little is known about the status of Se. Studies available show that Se status is widely variable with some countries being deficient, some over sufficient, and some sufficient. This variability was apparent even within the same country between regions. In this review, we summarized the key roles of Se in health and disease and discussed the available data on Se status and intake among countries of the MENA region.
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Affiliation(s)
- Sohayla A Z Ibrahim
- Department of Pharmaceutical Sciences, College of Pharmacy, QU health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Abdelhamid Kerkadi
- Department of Nutrition, College of Health Sciences, QU health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Abdelali Agouni
- Department of Pharmaceutical Sciences, College of Pharmacy, QU health, Qatar University, P.O. Box 2713, Doha, Qatar.
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Kot K, Kosik-Bogacka D, Łanocha-Arendarczyk N, Malinowski W, Szymański S, Mularczyk M, Tomska N, Rotter I. Interactions between 14 Elements in the Human Placenta, Fetal Membrane and Umbilical Cord. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16091615. [PMID: 31071998 PMCID: PMC6540151 DOI: 10.3390/ijerph16091615] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/01/2019] [Accepted: 05/06/2019] [Indexed: 12/15/2022]
Abstract
The aim of the study was to investigate relationships between the concentrations of macroelements (Ca), microelements (Cr, Cu, Fe, Mn, Mo, Ni, Sn, Sr, V, Zn) and heavy metals (Ag, Cd, Pb) in the placenta, fetal membrane and umbilical cord. Furthermore, we examined relationships between the concentrations of these metals in the studied afterbirths and maternal age, gestational age, placenta parameters (breadth, length, weight) and newborn parameters (length, weight and Apgar score). This study confirms previously reported Zn-Cd, Pb-Cd and Ni-Pb interactions in the placenta. New types of interactions in the placenta, fetal membrane and umbilical cord were also noted. Analysis of the correlations between metal elements in the afterbirths (placenta, fetal membrane and umbilical cord) and biological parameters showed the following relationships: maternal age and Mn (in the fetal membrane); gestational age and Cr, Fe, Zn (in the fetal membrane), Ag and Cu (in the umbilical cord); newborn’s length and Sr (in the placenta), Ag (in the umbilical cord); newborn’s weight and Sr (in the placenta), Cu (in the fetal membrane), Ag (in the umbilical cord); Apgar score and Ca, Cr and Ni (in the umbilical cord); placenta’s length and Cr and Sn (in the fetal membrane), Cu (in the umbilical cord); placenta’s width and Mo, Pb (in the placenta) and placenta weight and Sr (in the placenta), Ag, Fe, Mn (in the fetal membrane). The results show the influence of metals on the placenta, mother and newborn parameters, and the same point indicates the essential trace elements during the course of pregnancy.
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Affiliation(s)
- Karolina Kot
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland.
| | - Danuta Kosik-Bogacka
- Independent of Pharmaceutical Botany, Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland.
| | - Natalia Łanocha-Arendarczyk
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland.
| | - Witold Malinowski
- Department of Obstetrical and Gynecological Nursing, Pomeranian Medical University in Szczecin, Zolnierska 48, 71-210 Szczecin, Poland.
| | - Sławomir Szymański
- Department of Obstetrical and Gynecological Nursing, Pomeranian Medical University in Szczecin, Zolnierska 48, 71-210 Szczecin, Poland.
| | - Maciej Mularczyk
- Chair and Department of Human and Clinical Anatomy, Pomeranian Medical University in Szczecin, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland.
| | - Natalia Tomska
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Zolnierska 48, 71-210 Szczecin, Poland.
| | - Iwona Rotter
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Zolnierska 48, 71-210 Szczecin, Poland.
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Kocyłowski R, Grzesiak M, Gaj Z, Lorenc W, Bakinowska E, Barałkiewicz D, von Kaisenberg CS, Suliburska J. Evaluation of Essential and Toxic Elements in Amniotic Fluid and Maternal Serum at Birth. Biol Trace Elem Res 2019; 189:45-54. [PMID: 30097982 PMCID: PMC6443612 DOI: 10.1007/s12011-018-1471-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 08/02/2018] [Indexed: 12/12/2022]
Abstract
The objective of this study was to determine the concentration and the reference ranges of essential and toxic elements in amniotic fluid (AF) and maternal serum (MS) at birth. This study was conducted among 175 healthy pregnant Caucasian European women aged 18-42. AF and maternal blood samples were collected during delivery. An inductively coupled plasma mass spectrometry (ICP-MS) technique was used to determine the levels of Mg, Co, Cu, Zn, Sr, Cd, Ba, Pb, U, Ca, Cr, Al, Mn, V, Fe, As, Se and Sb in AF and MS. The range of reference values was calculated for all analyzed elements in the serum and AF. The mean concentrations of elements, except Pb, were generally higher in MS than in AF. Multiple regression analysis showed that the maternal/newborn body mass (MBM/NBM) ratio was a strong negative predictor (among maternal age and gravidity) of Mg concentration in amniotic fluid. In the serum, MBN/NBM ratio was a strong positive predictor of Cu concentration. Moreover, regression analysis showed that maternal age was an independent positive predictor of the Se level in maternal serum. The reference value ranges of 18 essential and toxic elements were established in AF and MS among a population of healthy pregnant Polish women at delivery. The level of Mg, Co, Cu, Ca and Se in AF and MS can be determined by maternal age and MBM/NBM ratio. These results can be useful in counseling individuals with pregnancies affected by exposure to one of the parameters under investigation.
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Affiliation(s)
- Rafał Kocyłowski
- Department of Obstretrics, Perinatology and Gynecology, Polish Mother’s Memorial Hospital-Research Institute, ul. Rzgowska 281/289, 93-338 Łódz, Poland
- PreMediCare New Med Medical Centre, ul. Drużbickiego 13, 61-693 Poznań, Poland
| | - Mariusz Grzesiak
- Department of Obstretrics, Perinatology and Gynecology, Polish Mother’s Memorial Hospital-Research Institute, ul. Rzgowska 281/289, 93-338 Łódz, Poland
| | - Zuzanna Gaj
- Department of Obstretrics, Perinatology and Gynecology, Polish Mother’s Memorial Hospital-Research Institute, ul. Rzgowska 281/289, 93-338 Łódz, Poland
- Scientific Laboratory of the Center of Medical Laboratory Diagnostics and Screening, Polish Mother’s Memorial Hospital-Research Institute, ul. Rzgowska 281/289, 93-338 Łódz, Poland
| | - Wiktor Lorenc
- Department of Trace Element Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University in Poznań, ul. Umultowska 89b, 61-614 Poznan, Poland
| | - Ewa Bakinowska
- Institute of Mathematics, Poznan University of Technology, 5 M. Skłodowska-Curie Square, 60-965 Poznan, Poland
| | - Danuta Barałkiewicz
- Department of Trace Element Analysis by Spectroscopy Method, Faculty of Chemistry, Adam Mickiewicz University in Poznań, ul. Umultowska 89b, 61-614 Poznan, Poland
| | | | - Joanna Suliburska
- Institute of Human Nutrition and Dietetics, Poznan University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
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McKeating DR, Fisher JJ, Perkins AV. Elemental Metabolomics and Pregnancy Outcomes. Nutrients 2019; 11:E73. [PMID: 30609706 PMCID: PMC6356574 DOI: 10.3390/nu11010073] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 12/26/2018] [Accepted: 01/01/2019] [Indexed: 01/22/2023] Open
Abstract
Trace elements are important for human health and development. The body requires specific micronutrients to function, with aberrant changes associated with a variety of negative health outcomes. Despite this evidence, the status and function of micronutrients during pregnancy are relatively unknown and more information is required to ensure that women receive optimal intakes for foetal development. Changes in trace element status have been associated with pregnancy complications such as gestational diabetes mellitus (GDM), pre-eclampsia (PE), intrauterine growth restriction (IUGR), and preterm birth. Measuring micronutrients with methodologies such as elemental metabolomics, which involves the simultaneous quantification and characterisation of multiple elements, could provide insight into gestational disorders. Identifying unique and subtle micronutrient changes may highlight associated proteins that are affected underpinning the pathophysiology of these complications, leading to new means of disease diagnosis. This review will provide a comprehensive summary of micronutrient status during pregnancy, and their associations with gestational disorders. Furthermore, it will also comment on the potential use of elemental metabolomics as a technique for disease characterisation and prediction.
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Affiliation(s)
- Daniel R McKeating
- School of Medical Science, Menzies Health Institute Queensland, Griffith University, Southport 9726, Queensland, Australia.
| | - Joshua J Fisher
- School of Medical Science, Menzies Health Institute Queensland, Griffith University, Southport 9726, Queensland, Australia.
| | - Anthony V Perkins
- School of Medical Science, Menzies Health Institute Queensland, Griffith University, Southport 9726, Queensland, Australia.
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The Concentration of Micronutrients and Heavy Metals in Maternal Serum, Placenta, and Cord Blood: A Cross-Sectional Study in Preterm Birth. J Pregnancy 2019; 2019:5062365. [PMID: 30693107 PMCID: PMC6332885 DOI: 10.1155/2019/5062365] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/22/2018] [Accepted: 12/05/2018] [Indexed: 11/30/2022] Open
Abstract
Background Preterm birth is still a global burden particularly in Indonesia. The suboptimal concentration of certain micronutrients and heavy metals is hypothesized to play a role in the mechanism of preterm birth. Objective This study aimed to analyze the micronutrients and heavy metals concentrations between subjects with term and preterm birth. Design A cross-sectional study was conducted during January–June 2017 in Cipto Mangunkusumo Hospital and Budi Kemuliaan Hospital, Jakarta, Indonesia. Subjects were divided into term and preterm birth groups. The measured outcomes were maternal serum, placental, and blood cord concentration of zinc, copper, iron, selenium, manganese, mercury, lead, AtRA, and 25(OH)D. Results A total of 51 pregnant women participated in this study. Term group had higher concentration of maternal serum AtRA (0.22 ± 0.07 ng/mL versus 0.12 ± 0.03 ng/mL, p <0.001), higher placental concentration of manganese {0.99 (0.38 – 1.78) μg/g versus 0.42 ± 0.18 μg/g, p <0.001}, iron (252.16 ± 170.61 μg/g versus 78.45 ± 51.73 μg/g, p <0.001), copper {2.96 ± 1.80 μg/g versus 1.62 (0.70 – 3.88) μg/g, p 0.019}, zinc {58.34 (27.88 – 124.05) μg/g versus 28.41 (1.46 – 137.69) μg/g, p 0.011}, selenium (0.31 ± 0.31 ng/g versus 0.14 ± 0.20 ng/g, p 0.024), AtRA {21.7 ± 10.69 ng/g versus 0.7 (0.42 – 5.10) ng/g, p <0.001}, and 25(OH)D {75.84 ± 45.12 ng/g versus 18.00 (5 – 88) ng/g, p <0.001}, lower placental concentration of mercury (0.20 ± 0.17 ng/g versus 20.47 ± 41.35 ng/g, p 0.019) and lead (0.02 ± 0.01 ng/g versus 0.81 ± 1.43 ng/g, p 0.009), and higher cord blood concentration of copper {32.20 (16.30 – 69.60) μg/dL versus 20.60 (5.80 – 53.30) μg/dL, p 0.006} and AtRA (0.16 ± 0.04 versus 0.07 ± 0.01, p <0.001). Conclusion Preterm birth is associated with lower concentrations of micronutrients which play a role in antioxidant mechanism, as well as higher concentration of mercury and lead.
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Pi X, Wei Y, Li Z, Jin L, Liu J, Zhang Y, Wang L, Ren A. Higher concentration of selenium in placental tissues is associated with reduced risk for orofacial clefts. Clin Nutr 2018; 38:2442-2448. [PMID: 30482428 DOI: 10.1016/j.clnu.2018.11.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 10/17/2018] [Accepted: 11/04/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND & AIMS Growing evidence suggests that essential trace element imbalance during pregnancy may contribute to fetal malformations, but the role of essential trace elements in the occurrence of orofacial clefts (OFCs) is unknown. We aimed to examine the association between concentrations of zinc (Zn), manganese (Mn), selenium (Se), cobalt (Co), molybdenum (Mo), and nickel (Ni) in placental tissues and the risk for OFCs in offspring in a rural population in northern China with a high prevalence of OFCs. METHODS The case-control study subjects were 103 OFC infants and 206 non-malformed infants. The concentrations of selected trace elements in placental tissues were determined using inductively coupled plasma-mass spectrometry. Sociodemographic information was collected from the mothers through face-to-face interviews using a structured questionnaire. The risk for OFCs in association with higher concentrations of the trace elements was estimated using the odds ratio (OR) with its 95% confidence interval (95% CI). RESULTS The placental median concentrations of Se and Ni were significantly lower, but those of Mo were significantly higher in OFC cases than in controls (all P < 0.05). A Se concentration above the median of all subjects was associated with a 58% reduced risk for OFCs (adjusted OR 0.42, 95% CI 0.23, 0.77) after adjusting for potential confounding factors. The risk for OFCs decreased with increases in placental Se concentrations, with adjusted ORs of 0.45 (95% CI 0.22, 0.92) for the second tertile and 0.22 (95% CI 0.10, 0.49) for the top tertile of Se concentration, with the lowest tertile concentration as the referent (Ptrend < 0.001). No association was observed between placental Zn, Mn, Co, Mo, or Ni concentration and risk for OFC. CONCLUSIONS The concentration of Se in placental tissues was dose-dependently associated with decreased risk for OFCs in offspring. This finding suggests that maternal Se intake during pregnancy may protect against OFCs in offspring.
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Affiliation(s)
- Xin Pi
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yihui Wei
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Lei Jin
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jufen Liu
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yali Zhang
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Linlin Wang
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Aiguo Ren
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
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Tsuji M, Shibata E, Morokuma S, Tanaka R, Senju A, Araki S, Sanefuji M, Koriyama C, Yamamoto M, Ishihara Y, Kusuhara K, Kawamoto T. The association between whole blood concentrations of heavy metals in pregnant women and premature births: The Japan Environment and Children's Study (JECS). ENVIRONMENTAL RESEARCH 2018; 166:562-569. [PMID: 29966876 DOI: 10.1016/j.envres.2018.06.025] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/06/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Heavy metals are widely distributed in the environment. Recent reports have demonstrated the risk of preterm birth following heavy metal exposure. Preterm births are classified as early and late, depending on the duration of pregnancy, and are associated with increased risk of congenital illnesses such as heart failure, asthma, etc. Particularly, early preterm births carry a higher risk of mortality; however, the differential effects of heavy metal exposure on early and late preterm births are unknown. OBJECTIVES To analyze the association between maternal whole blood concentrations of heavy metals, such as cadmium (Cd), lead (Pb), mercury (Hg), selenium (Se), and manganese (Mn) that are common toxicants in Japan, and early and late preterm births. METHODS The data of 14,847 pregnant women who were participants of the Japan Environment and Children's Study were used. Data of the self-questionnaire pertaining to the first trimester (T1), second/third trimester (T2), and medical records after delivery were analyzed. We divided preterm birth into two groups: early preterm (22 to < 34 weeks) and late preterm (34 to < 37 weeks). Maternal blood samples for measuring heavy metal concentrations were collected in T2 (pregnancy weeks: 14-39). The participants were classified into four quartiles (Q1-Q4) according to increasing heavy metal levels. RESULTS The rate of preterm birth was 4.5%. After controlling for confounding factors, such as age, pre-pregnancy body mass index, smoking, partner's smoking, drinking habits, gravidity, parity, number of cesarean deliveries, uterine infections, household income, educational levels, and sex of infant, Cd levels were found, by multivariable logistic regression analysis, to be significantly associated with early preterm birth (p = 0.002), with odds ratio for early preterm birth of 1.91 (95% confidence interval: 1.12-3.27, P = 0.018) in subjects of Q4 compared with in subjects with term birth (≧ 37 weeks). CONCLUSION Maternal blood Cd levels during pregnancy are positively associated with the risk of early preterm birth among Japanese women. Identification of the main source of maternal Cd exposure may contribute to the prevention of early preterm births and health maintenance of mothers and their infants in the future.
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Affiliation(s)
- Mayumi Tsuji
- Department of Environmental Health, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Eiji Shibata
- Department of Obstetrics and Gynecology, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Seiichi Morokuma
- Research Center for Environmental and Developmental Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Rie Tanaka
- Department of Environmental Health, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Ayako Senju
- Japan Environment and Children's Study, UOEH Subunit Center, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan; Department of Pediatrics, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Shunsuke Araki
- Department of Pediatrics, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Masafumi Sanefuji
- Research Center for Environmental and Developmental Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Chihaya Koriyama
- Department of Epidemiology and Preventive Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan.
| | - Megumi Yamamoto
- Department of Environment and Public Health, National Institute for Minamata Disease, 4058-18 Hama, Minamata, Kumamoto 867-0008, Japan.
| | - Yasuhiro Ishihara
- Laboratory of Molecular Brain Science, Graduate School of Integrated Arts and Sciences, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8521, Japan.
| | - Koichi Kusuhara
- Japan Environment and Children's Study, UOEH Subunit Center, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan; Department of Pediatrics, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
| | - Toshihiro Kawamoto
- Department of Environmental Health, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan.
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