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de Melo NC, Sampaio E Souza PC, Marques RC, Bernardi JVE, Bastos WR, Cunha MPL. Environmental exposure to metal(loid)s and hypertensive disorders of pregnancy: A systematic review. ENVIRONMENTAL RESEARCH 2024; 257:119391. [PMID: 38857855 DOI: 10.1016/j.envres.2024.119391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 05/27/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024]
Abstract
BACKGROUND Environmental exposure to metal(loid)s has been associated with adverse effects on human health, but the systemic repercussion of these elements on the development of hypertensive disorders of pregnancy (HDP) is still poorly understood. OBJECTIVE To summarize evidence published about the influence of environmental exposure to aluminum, arsenic, barium, cadmium, lead, strontium and mercury on the development of HDP. METHODS We conducted a systematic literature review according to the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. The search strategy was validated by the Peer Review of Electronic Search Strategies. We searched for articles published up to February 2023 in seven databases without language restriction. Two researchers conducted the steps for selection, data extraction and evaluation of the methodological quality of the instruments for epidemiological studies of the Joanna Briggs Institute. Any disagreements were resolved by a third researcher. RESULTS We obtained 5076 records, of which 37 articles met the inclusion criteria moderate to high methodological quality. Single exposure to metal(loid)s was predominant, and the leading biological matrix analyzed to detect the concentrations from exposure was maternal blood. Lead was the metal investigated the most, and had the largest number of studies showing positive association with HDP. In relation to the other metal(loid)s, higher levels were found in women with HDP in comparison with healthy women, but the finding of a cause-effect relationship was inconsistent. CONCLUSIONS Although we found evidence of harmful effects of the metal(loid)s studied on human health, the results were inconclusive with regard to HDP. Longitudinal studies that consider prospective investigation, adjustment of confounding factors and the interference of other contaminants in the exacerbation of oxidative stress in women from the preconception phase to the puerperal period should be encouraged.
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Affiliation(s)
- Nayra Carla de Melo
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil.
| | - Priscilla Cristovam Sampaio E Souza
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil
| | - Rejane Correa Marques
- Postgraduate Program in Environmental Sciences and Conservation, Federal University of Rio de Janeiro Janeiro (UFRJ), Macaé, Rio de Janeiro, 27965-045, Brazil
| | - José Vicente Elias Bernardi
- Geostatistics and Geodesy Laboratory, UnB Planaltina College, University of Brasília, Planaltina, Federal District, 73345-010, Brazil
| | - Wanderley Rodrigues Bastos
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil
| | - Mônica Pereira Lima Cunha
- Postgraduate Program in Regional Development and Environment, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76801-059, Brazil; WCP Environmental Biogeochemistry Laboratory, Federal University of Rondônia Foundation, Porto Velho, Rondônia, 76815-800, Brazil
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Khadir F, Rahimi Z, Vaisi-Raygani A, Shakiba E, Pouramir M, Bahrehmand F. Variants and Haplotypes of SIRT1 (rs7895833, rs7069102, and rs2273773) are Associated with the Risk of Preeclampsia and Affect the Trace Elements and Antioxidant Enzymes Levels. Biochem Genet 2024; 62:2667-2685. [PMID: 38001390 DOI: 10.1007/s10528-023-10548-w] [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: 06/01/2023] [Accepted: 10/09/2023] [Indexed: 11/26/2023]
Abstract
Preeclampsia is the most common and serious complication of pregnancy. Variants of Sirtuin-1 (SIRT1) as a key player in the regulation of oxidant/antioxidant signaling pathways might be involved in the pathogenesis of preeclampsia. In the present case-control study 300 women with and without preeclampsia were studied for SIRT1 variants (rs7895833, rs7069102, and rs2273773) and haplotypes. Also, the relationship of glutathione peroxidase (GPx) and superoxide dismutase (SOD) activities and Zn, Cu, and Se levels to the polymorphisms were investigated. The SIRT1 rs7895833 A > G, rs7069102 C > G, and the rs2273773 C > T polymorphisms were associated with the risk of preeclampsia. We found the haplotypes G (rs7895833) C (rs7069102) C (rs2273773), GCC, and ACC compared to the AGT decreased the risk of preeclampsia. The risk haplotype of AGT was associated with higher GPx activity compared to the GCC haplotype. A significantly higher level of Cu and lower levels of Zn and Se in patients with preeclampsia compared to controls were detected. Also, a significantly lower SOD and higher GPx activity in preeclamptic patients compared to controls were found. The three risk genotypes of AA (rs7895833), GG (rs7069102), and TT (rs2273773) significantly decreased the Zn level and SOD activity, and the TT genotype (rs2273773) increased the Cu level in all studied women. The presence of rs7069102 polymorphism was associated with enhanced systolic blood pressure. For the first time, we indicated three SIRT1 polymorphisms and the AGT haplotype are risk factors for preeclampsia development. Also, SIRT1 variants and haplotypes affect the levels of antioxidant enzymes and their cofactors, complicating the pregnancy outcome.
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Affiliation(s)
- Fatemeh Khadir
- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zohreh Rahimi
- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
- Medical Biology Research Center, Medical School, Daneshgah Avenue, P.O.Box: 67148-69914, Kermanshah, Iran.
| | - Asad Vaisi-Raygani
- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ebrahim Shakiba
- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahdi Pouramir
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Fariborz Bahrehmand
- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Wesolowska M, Yeates AJ, McSorley EM, van Wijngaarden E, Shamlaye CF, Myers GJ, Strain JJ, Mulhern MS. Potential role of selenium in modifying the effect of maternal methylmercury exposure on child neurodevelopment - A review. Neurotoxicology 2023; 99:59-69. [PMID: 37659579 DOI: 10.1016/j.neuro.2023.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 09/04/2023]
Abstract
Selenium (Se) is an essential trace element for normal neurodevelopment. It is incorporated into multiple selenoenzymes which have roles in the brain and neurological function, the synthesis of thyroid hormones, the antioxidant defense system, DNA synthesis, and reproduction. Fish is a source of both Se and neurotoxic methylmercury (MeHg). Selenium is known to ameliorate the effects of MeHg in experimental animals, but studies in children exposed to both Se and MeHg through prenatal fish consumption have been inconclusive. Research on Se's implications for pregnancy and child neurodevelopment is limited. The aims of this review are to summarize the literature on the biological roles of Se during pregnancy and the potential role in mitigating the effects of MeHg exposure from fish consumption on human health. This review has shown that Se concentrations among pregnant women globally appear insufficient, with the majority of pregnant women reporting Se concentrations below 70 µg/L during pregnancy. The role of Se in child development and its interactions with MeHg in children are inconclusive. Further investigation of the interaction between Se and MeHg in relation to child neurodevelopment in high fish-eating populations is required to fully elucidate effects.
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Affiliation(s)
- Maria Wesolowska
- Nutrition Innovation Centre for Food and Health, Ulster University, Coleraine BT52 1SA, UK
| | - Alison J Yeates
- Nutrition Innovation Centre for Food and Health, Ulster University, Coleraine BT52 1SA, UK
| | - Emeir M McSorley
- Nutrition Innovation Centre for Food and Health, Ulster University, Coleraine BT52 1SA, UK
| | | | | | - Gary J Myers
- School of Medicine and Dentistry, University of Rochester, New York, United States
| | - J J Strain
- Nutrition Innovation Centre for Food and Health, Ulster University, Coleraine BT52 1SA, UK
| | - Maria S Mulhern
- Nutrition Innovation Centre for Food and Health, Ulster University, Coleraine BT52 1SA, UK.
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Hamdan HZ, Hamdan SZ, Adam I. Association of Selenium Levels with Preeclampsia: A Systematic Review and Meta-analysis. Biol Trace Elem Res 2023; 201:2105-2122. [PMID: 35687295 DOI: 10.1007/s12011-022-03316-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 06/06/2022] [Indexed: 11/02/2022]
Abstract
Several observational studies have shown inconclusive findings on the association between selenium levels and preeclampsia. This systematic review and meta-analysis was conducted to clarify the association between selenium levels and preeclampsia. The databases PubMed, Google Scholar, ScienceDirect, and the Cochrane Library were searched for studies which investigated selenium levels with preeclampsia and which were published up to April 2022. The overall standardized mean differences (SMD) of selenium levels between cases and controls were measured. Sensitivity analysis, reporting bias, subgroup analysis, and meta-regression were performed for the estimate. The meta-analysis was calculated using the "meta" package in the open-source software R. A total of 26 studies with 1855 preeclampsia cases compared with 3728 healthy pregnant controls were included. The level of selenium was significantly lower in cases of preeclampsia compared with the controls [SMD = - 0.85; 95% confidence interval (CI): (- 1.46, - 0.25); P = < 0.01). As there was significant heterogeneity [I2 = 96%, Cochran's Q = 620.47; P = < 0.01], the random effects model was used. A stratified meta-analysis revealed that selenium levels were significantly lower in the cases compared with the controls among pregnant women from the African continent [SMD = - 1.15 (- 1.65, - 0.65); P = < 0.01]. Likewise, the same pattern was observed among women from middle- and low-income countries [SMD = - 1.32 (- 2.22, - 0.42); P = < 0.01]. None of the investigated factors (Modified Newcastle-Ottawa Scale quality score, year of publication, and sample size) showed significant association with the selenium SMD. The level of certainty of this evidence is "low certainty," as calculated by the GRADEpro GDT online tool. This meta-analysis with low level of evidence certainty revealed that low selenium level is associated significantly with preeclampsia. This pattern is also observed in women from the African continent and women from low- or middle-income countries. Further studies with different prospective designs and detailed patient characteristics are needed to consolidate this evidence.
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Affiliation(s)
- Hamdan Z Hamdan
- Department of Basic Medical Sciences, Unaizah College of Medicine and Medical Sciences, Qassim University, P.O. BOX. 991, Unaizah, Kingdom of Saudi Arabia.
- Faculty of Medicine, Al-Neelain University, Khartoum, Sudan.
| | | | - Ishag Adam
- Department of Obstetrics and Gynecology, Unaizah College of Medicine, Qassim University, Unaizah, Saudi Arabia
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Margioula-Siarkou G, Margioula-Siarkou C, Petousis S, Margaritis K, Vavoulidis E, Gullo G, Alexandratou M, Dinas K, Sotiriadis A, Mavromatidis G. The role of endoglin and its soluble form in pathogenesis of preeclampsia. Mol Cell Biochem 2022; 477:479-491. [PMID: 34783962 DOI: 10.1007/s11010-021-04294-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 11/04/2021] [Indexed: 12/21/2022]
Abstract
Preeclampsia remains till today a leading cause of maternal and fetal morbidity and mortality. Pathophysiology of the disease is not yet fully elucidated, though it is evident that it revolves around placenta. Cellular ischemia in the preeclamptic placenta creates an imbalance between angiogenic and anti-angiogenic factors in maternal circulation. Endoglin, a transmembrane co-receptor of transforming growth factor β (TGF-β) demonstrating angiogenic effects, is involved in a variety of angiogenesis-dependent diseases with endothelial dysfunction, including preeclampsia. Endoglin expression is up-regulated in preeclamptic placentas, through mechanisms mainly induced by hypoxia, oxidative stress and oxysterol-mediated activation of liver X receptors. Overexpression of endoglin results in an increase of its soluble form in maternal circulation. Soluble endoglin represents the extracellular domain of membrane endoglin, cleaved by the action of metalloproteinases, predominantly matrix metalloproteinase-14. Released in circulation, soluble endoglin interferes in TGF-β1 and activin receptor-like kinase 1 signaling pathways and inhibits endothelial nitric oxide synthase activation, consequently deranging angiogenesis and promoting vasoconstriction. Due to these properties, soluble endoglin actively contributes to the impaired placentation observed in preeclampsia, as well as to the pathogenesis and manifestation of its clinical signs and symptoms, especially hypertension and proteinuria. The significant role of endoglin and soluble endoglin in pathophysiology of preeclampsia could have prognostic, diagnostic and therapeutic perspectives. Further research is essential to extensively explore the potential use of these molecules in the management of preeclampsia in clinical settings.
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Affiliation(s)
- Georgia Margioula-Siarkou
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece.
| | - Chrysoula Margioula-Siarkou
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
| | - Stamatios Petousis
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
| | - Kosmas Margaritis
- 2nd Department of Pediatrics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eleftherios Vavoulidis
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
| | - Giuseppe Gullo
- Department of Obstetrics and Gynecology, IVF Unit, Villa Sofia Cervello Hospital, University of Palermo, Palermo, Italy
| | - Maria Alexandratou
- Department of Radiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Konstantinos Dinas
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
| | - Alexandros Sotiriadis
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
| | - Georgios Mavromatidis
- 2nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki, Konstantinoupoleos 49, 54624, Thessaloniki, Greece
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Ugwu CE, Nwatah AJ, Ugwu GO, Meludu SC. Serum immunoglobulins, C-reactive protein, and trace element level in preeclamptic Nigerian subjects. Niger J Clin Pract 2022; 25:1405-1412. [DOI: 10.4103/njcp.njcp_1455_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Xintong L, Dongmei X, Li Z, Ruimin C, Yide H, Lingling C, Tingting C, Yingying G, Jiaxin L. Correlation of body composition in early pregnancy on gestational diabetes mellitus under different body weights before pregnancy. Front Endocrinol (Lausanne) 2022; 13:916883. [PMID: 36387861 PMCID: PMC9649916 DOI: 10.3389/fendo.2022.916883] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 10/13/2022] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE The prediction of gestational diabetes mellitus (GDM) by body composition-related indicators in the first trimester was analyzed under different body mass index (BMI) values before pregnancy. METHODS This was a retrospective analysis of pregnant women who were treated, had documented data, and received regular perinatal care at the Third Affiliated Hospital of Zhengzhou University from January 1, 2021, to December 31, 2021. Women with singleton pregnancies who did not have diabetes before pregnancy were included. In the first trimester (before the 14th week of pregnancy), bioelectric impedance assessment (BIA) was used to analyze body composition-related indicators such as protein levels, mineral levels, fat volume, and the waist-hip fat ratio. The Pearman's correlation coefficient was used to evaluate the linear relationship between the continuous variables and pre-pregnancy body mass index (BMI). In the univariate body composition analysis, the association with the risk of developing GDM was included in a multivariate analysis using the relative risk and 95% confidence interval obtained from logarithmic binomial regression, and generalized linear regression was used for multivariate regression analysis. Furthermore, the area under the curve (AUC) was calculated by receiver operating characteristic (ROC) curves. The optimal cutoff value of each risk factor was calculated according to the Youden Index. RESULTS In a retrospective study consisting of 6698 pregnant women, we collected 1109 cases of gestational diabetes. Total body water (TBW), protein levels, mineral levels, bone mineral content (BMC), body fat mass (BFM), soft lean mass (SLM), fat-free mass (FMM), skeletal muscle mass (SMM), percent body fat (PBF), the waist-hip ratio (WHR), the visceral fat level (VFL), and the basal metabolic rate (BMR) were significantly higher in the GDM group than in the normal group (P<0.05). Under the pre-pregnancy BMI groupings, out of 4157 pregnant women with a BMI <24 kg/m2, 456 (10.97%) were diagnosed with GDM, and out of 2541 pregnant women with a BMI ≥24 kg/m2, 653 (25.70%) were diagnosed with GDM. In the generalized linear regression model, it was found that in all groups of pregnant women, pre-pregnancy BMI, age, gestational weight gain (GWG) in the first trimester, and weight at the time of the BIA had a certain risk for the onset of GDM. In Model 1, without adjusting for confounders, the body composition indicators were all positively correlated with the risk of GDM. In Model 3, total body water, protein levels, mineral levels, bone mineral content, soft lean mass, fat-free mass, skeletal muscle mass, and the basal metabolic rate were protective factors for GDM. After Model 4 was adjusted for confounders, only the waist-hip ratio was positively associated with GDM onset. Among pregnant women with a pre-pregnancy BMI <24 kg/m2, the body composition-related indicators in Model 2 were all related to the onset of GDM. In Model 3, total body water, soft lean mass, fat-free mass, and the basal metabolic rate were negatively correlated with GDM onset. In the body composition analysis of among women with a pre-pregnancy BMI ≥ 24 kg/m2, only Model 1 and Model 2 were found to show positive associations with GDM onset. In the prediction model, in the basic data of pregnant women, the area under the receiver operating characteristic curve predicted by gestational weight gain for GDM was the largest (0.795), and its cutoff value was 1.415 kg. In the body composition results, the area under the receiver operating characteristic curve of body fat mass for predicting GDM risk was larger (0.663) in all pregnant women. CONCLUSIONS Through this retrospective study, it was found that the body composition-related indicators were independently associated with the onset of GDM in both the pre-pregnancy BMI <24 kg/m2 and pre-pregnancy BMI ≥24 kg/m2 groups. Body fat mass, the visceral fat level, and the waist-hip ratio had a higher correlation with pre-pregnancy BMI. Total body water, protein levels, mineral levels, bone mineral content, soft lean mass, fat-free mass, skeletal muscle mass, and the basal metabolic rate were protective factors for GDM after adjusting for some confounders. In all pregnant women, the waist-hip ratio was found to be up to 4.562 times the risk of GDM development, and gestational weight gain had the best predictive power for GDM. Gestational weight gain in early pregnancy, body fat mass, and the waist-hip ratio can assess the risk of GDM in pregnant women, which can allow clinicians to predict the occurrence of GDM in pregnant women as early as possible and implement interventions to reduce adverse perinatal outcomes.
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Affiliation(s)
- Li Xintong
- Department of Obstetrics and Gynecology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xu Dongmei
- Department of Obstetrics and Gynecology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Perinatal Health, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Xu Dongmei,
| | - Zhang Li
- Department of Obstetrics and Gynecology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Cao Ruimin
- Department of Obstetrics and Gynecology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hao Yide
- Anesthesiology, Xinxiang Medical University, Xinxiang, China
| | - Cui Lingling
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Chen Tingting
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Guo Yingying
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Li Jiaxin
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
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Selected Metal Concentration in Maternal and Cord Blood. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312407. [PMID: 34886132 PMCID: PMC8656657 DOI: 10.3390/ijerph182312407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/14/2021] [Accepted: 11/23/2021] [Indexed: 11/19/2022]
Abstract
Essential and non-essential elements deficiencies may lead to various birth complications. The aim of this paper was to determine calcium (Ca), copper (Cu), iron (Fe), potassium (K), magnesium (Mg), sodium (Na), phosphorus (P), lead (Pb), strontium (Sr), and zinc (Zn) concentrations in maternal blood and cord blood. Whole blood and cord blood samples collected from pregnant women (n = 136) were analyzed for the concentration of the elements by spectrophotometric atomic absorption in inductively coupled argon plasma (ICP-OES). The results showed that Ca, Pb, and Sr concentrations were similar in maternal and cord blood, while Fe and K levels were higher in cord blood than in maternal blood. The cord blood Cu, Na, and Zn concentrations were lower than those in maternal blood, suggesting transplacental transfer of these elements were limited. Moreover, checking the influence of studied elements on the anthropometric parameters of the newborns, we found that the highest number of associations was between Cu in cord blood. Due to the fact that the pregnant women were healthy, and the newborns were without any disorders, we suggest that the values obtained in our study are normal values of studied elements in whole blood and cord blood in patients from Poland.
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Care AG, Gupta JK, Goodfellow L, Zhang G, Monangi N, Belling E, Landero J, Chappell J, Sharp A, Alfirevic A, Müller-Myhsok B, Muglia LJ, Alfirevic Z. Maternal selenium levels and whole genome screen in recurrent spontaneous preterm birth population: A nested case control study. Eur J Obstet Gynecol Reprod Biol 2021; 265:203-211. [PMID: 34534736 DOI: 10.1016/j.ejogrb.2021.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/11/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To establish if low maternal selenium (Se) was associated with sPTB in women with recurrent sPTB and identify genetic link with maternal Se levels. DESIGN Nested case-control study. SETTING Tertiary Maternity Hospital. POPULATION Plasma and whole blood from pregnant women with history of early sPTB/PPROM < 34+0 and European ancestry were obtained at 20 weeks (range 15-24 weeks). 'Cases' were recurrent PTB/PPROM < 34+0 weeks and term (≥37+0) deliveries were classified as 'high-risk controls.' Women with previous term births and index birth ≥ 39 weeks were 'low-risk controls'. METHODS Maternal plasma Se measured by ICP-MS was used as a continuous phenotype in a GWAS analysis. Se was added to a logistic regression model using PTB predictor variables. MAIN OUTCOME MEASURES Maternal Se concentration, recurrent early sPTB/PPROM. RESULTS 53/177 high-risk women had a recurrent sPTB/PPROM < 34+0weeks and were 2.7 times more likely to have a Se level < 83.3 ppm at 20weeks of pregnancy compared with low-risk term controls (n = 179), (RR 2.7, 95%CI 1.5-4.8; p = .001). One SNP from a non-coding region (FOXN3 intron variant, rs55793422) reached genome-wide significance level (p = 3.73E-08). Targeted analysis of Se gene variant did not show difference between preterm and term births. (χ2 test, OR = 0.95; 95%CI = 0.59-1.56; p = 0.82). When Se levels were added to a clinical prediction model, only an additional 5% of cases (n = 3) and 0.6% (n = 1) of controls were correctly identified. CONCLUSIONS Low plasma Se is associated with sPTB risk but is not sufficiently predictive at individual patient level. We did not find a genetic association between maternal Se levels and Se-related genes.
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Affiliation(s)
- Angharad G Care
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom.
| | - Juhi K Gupta
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom; Wolfson Centre for Personalised Medicine, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Laura Goodfellow
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom
| | - Ge Zhang
- Division of Human Genetics, Center for Prevention of Preterm Birth, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics and University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Nagendra Monangi
- Division of Human Genetics, Center for Prevention of Preterm Birth, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics and University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Elizabeth Belling
- Division of Human Genetics, Center for Prevention of Preterm Birth, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics and University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Julio Landero
- Department of Chemistry, University of Cincinnati, Cincinnati, OH, United States
| | - Joanne Chappell
- Division of Human Genetics, Center for Prevention of Preterm Birth, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics and University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Andrew Sharp
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom
| | - Ana Alfirevic
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom; Wolfson Centre for Personalised Medicine, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Bertram Müller-Myhsok
- Waterhouse Building, University of Liverpool, Liverpool, United Kingdom; Max Plank Institute of Psychiatry, Munich, Germany
| | - Louis J Muglia
- Division of Human Genetics, Center for Prevention of Preterm Birth, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics and University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Zarko Alfirevic
- Harris Wellbeing Preterm Birth Research Centre, Department of Women's and Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom
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Tang Y, Xia W, Xu SQ, Liu HX, Li YY. Association of Urinary Strontium Levels with Pregnancy-induced Hypertension. Curr Med Sci 2021; 41:535-541. [PMID: 34047946 DOI: 10.1007/s11596-021-2366-6] [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: 01/06/2020] [Accepted: 07/05/2020] [Indexed: 10/21/2022]
Abstract
Pregnancy-induced hypertension (PIH), including gestational hypertension and preeclampsia, accounts for the majority of maternal and perinatal morbidity and mortality. Strontium (Sr) has been recently associated with preeclampsia in a small group of women; however, the role of Sr in PIH is not fully understood and warrants further investigation. In this study, we examined the association between urinary Sr levels and PIH, and assessed the effect of maternal age on the association. Urinary Sr concentrations were measured in 5423 pregnant women before delivery by inductively coupled plasma mass spectrometry (ICP-MS). Logistic regression analysis adjusting for potential confounders was applied to explore the association between Sr and PIH, and to evaluate the Sr-PIH relationship stratified by maternal age. Among the participants, 200 (3.83%) women were diagnosed with PIH. Compared with non-PIH women, women who developed PIH had lower urinary Sr concentrations (131.26 vs. 174.98 μg/L creatinine, P<0.01). With the natural log-transformed urinary creatinine-standardized Sr concentrations increasing, the risk of PIH decreased significantly [adjusted OR=0.60 (95%CI: 0.51, 0.72)]. Furthermore, the significant association of Sr with PIH was found among women under 35 years (P<0.01). Our finding suggested that Sr may play a potential protective role in the pathogenesis of PIH, especially among young pregnant women under 35 years old.
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Affiliation(s)
- Yi Tang
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wei Xia
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Shun-Qing Xu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hong-Xiu Liu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yuan-Yuan Li
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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11
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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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12
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Barneo-Caragol C, Martínez-Morillo E, Rodríguez-González S, Lequerica-Fernández P, Vega-Naredo I, Álvarez FV. Increased serum strontium levels and altered oxidative stress status in early-onset preeclampsia. Free Radic Biol Med 2019; 138:1-9. [PMID: 31055131 DOI: 10.1016/j.freeradbiomed.2019.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/29/2019] [Accepted: 05/01/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Correctly distinguishing preeclampsia (PE), gestational hypertension (GH), and intrauterine growth retardation (IUGR) is a challenge for clinicians due to existing similarities. In our previous study, we showed that serum strontium (Sr) levels were elevated in preeclamptic women compared to healthy and GH pregnant women at the end of pregnancy. The main aim of this study was to evaluate Sr and oxidative stress in PE at the time of symptoms onset and before and compare it with IUGR/GH. METHODS Samples collected at symptoms onset included 77 preeclamptic women and 72 women diagnosed with IUGR/GH divided into two groups according to the gestational extraction week (<34 and ≥ 34). Fifteen patients were also serialized until delivery. Samples collected before symptoms onset included 140 women who developed early-onset PE (E-PE, n = 9), late-onset PE (L-PE, n = 13), IUGR (n = 9), GH (n = 32) and no pathologies (n = 77). Strontium, placental growth factor (PlGF), soluble fms-like tyrosine kinase 1 (sFlt-1), uric acid (UA), creatinine, lipid peroxidation, and total antioxidant activity (TAA) were measured. RESULTS Mean Sr, sFlt-1/PIGF ratio, UA, and lipid peroxidation/TAA ratio levels were significantly higher (p = 0.002, <0.0001, <0.0001 and = 0.03, respectively) and estimated glomerular filtration rate (eGFR) and TAA significantly lower (p = 0.0008 and < 0.0001, respectively) in E-PE vs other pathologies when gestational extraction week was <34. There was a significant correlation between Sr and eGFR (r = 0.43, p = 0.02), sFlt-1/PIGF ratio (r = 0.56, p = 0.002), TAA and gestational week of sampling (r = -0.45, p = 0.02) and UA (r = -0.82, p < 0.0001) in the E-PE serial samples. No differences were found in Sr levels before symptoms onset. CONCLUSION Serum Sr concentration and oxidative status are increased in E-PE when compared to other pathologies at the time of symptoms onset. More studies are needed to elucidate the causes of Sr levels elevation and its role in the pathophysiology of PE.
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Affiliation(s)
- Clara Barneo-Caragol
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, S/n, 33011, Oviedo, Asturias, Spain.
| | - Eduardo Martínez-Morillo
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, S/n, 33011, Oviedo, Asturias, Spain.
| | - Susana Rodríguez-González
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, S/n, 33006, Oviedo, Asturias, Spain.
| | - Paloma Lequerica-Fernández
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, S/n, 33011, Oviedo, Asturias, Spain.
| | - Ignacio Vega-Naredo
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, S/n, 33006, Oviedo, Asturias, Spain.
| | - Francisco V Álvarez
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, S/n, 33011, Oviedo, Asturias, Spain; Department of Biochemistry and Molecular Biology, University of Oviedo, C/ Fernando Bongera S/n, 33006, Oviedo, Asturias, Spain.
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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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Barneo-Caragol C, Martínez-Morillo E, Rodríguez-González S, Lequerica-Fernández P, Vega-Naredo I, Álvarez Menéndez FV. Strontium and its role in preeclampsia. J Trace Elem Med Biol 2018; 47:37-44. [PMID: 29544806 DOI: 10.1016/j.jtemb.2018.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 01/08/2018] [Accepted: 01/12/2018] [Indexed: 01/15/2023]
Abstract
BACKGROUND Preeclampsia (PE) is considered a specific vascular disease in which endothelial dysfunction may be the crucial factor of its pathogenesis. It has been suggested that strontium (Sr) may play a role in the pathophysiology of PE. Our group established in a previous study the serum levels of Sr in healthy pregnancies, and the main aim of the present study was to evaluate Sr concentrations and oxidative status in preeclamptic women. METHODS The study population included women with early-onset PE (E-PE, n = 39), late-onset PE (L-PE, n = 67) and serial samples from a subset of preeclamptic women (PE-ss, n = 20). The control group included women with gestational hypertension (GH, n = 56) and healthy pregnancies (samples collected in the 1st (n = 50), 2nd (n = 51) and 3rd trimesters (n = 53)). Strontium, calcium (Ca), uric acid (UA), placental growth factor (PlGF), soluble fms-like tyrosine kinase 1 (sFlt-1), N-terminal pro-brain natriuretic peptide (NT-proBNP), lipid peroxidation and total antioxidant activity (TAA) were measured in these samples. RESULTS Mean Sr levels were significantly higher in PE than in control groups (p ≤ 0.0001). Calcium values were found to be significantly lower in E-PE compared to control groups (p = 0.03). Higher levels of NT-proBNP were found in PE vs. control groups (p < 0.001). sFlt-1/PlGF ratio was higher in E-PE compared to L-PE and GH (p < 0.001). Uric acid levels in PE were significantly higher than in control groups (p < 0.0001). There was a strong positive correlation between UA and Sr in the E-PE serial samples (r = 0.80, p < 0.0001). Lipid peroxidation and lipid peroxidation/TAA ratios were found to be higher in PE, with lower values of TAA. CONCLUSION The higher levels of Sr and the alterations of redox status found in preeclamptic women, along with the strong correlation between UA and Sr suggest that this element may be involved in the pathogenesis of PE.
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Affiliation(s)
- Clara Barneo-Caragol
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Eduardo Martínez-Morillo
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Susana Rodríguez-González
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, s/n, 33006, Oviedo, Asturias, Spain.
| | - Paloma Lequerica-Fernández
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Ignacio Vega-Naredo
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, s/n, 33006, Oviedo, Asturias, Spain.
| | - Francisco V Álvarez Menéndez
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain; Department of Biochemistry and Molecular Biology, University of Oviedo, C/ Fernando Bongera s/n, 33006, Oviedo, Asturias, Spain.
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15
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Wilson RL, Bianco-Miotto T, Leemaqz SY, Grzeskowiak LE, Dekker GA, Roberts CT. Early pregnancy maternal trace mineral status and the association with adverse pregnancy outcome in a cohort of Australian women. J Trace Elem Med Biol 2018; 46:103-109. [PMID: 29413099 DOI: 10.1016/j.jtemb.2017.11.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 11/20/2017] [Accepted: 11/30/2017] [Indexed: 01/26/2023]
Abstract
Maternal micronutrient deficiencies in pregnancy can have profound effects on fetal development and pregnancy outcome. Plasma trace minerals including copper, zinc, selenium and iron have been shown to be extremely important in supporting reproduction. We sought to determine whether there is an association between maternal trace mineral status in early pregnancy and pregnancy complications using a prospective cohort study of 1065 pregnant Australian women who were recruited as part of the Screening for Pregnancy Endpoints (SCOPE) study in Adelaide. Copper, zinc, selenium and iron present in the plasma were measured using mass spectrometry in samples collected at 15±1 weeks' gestation. After adjusting for covariates, women with lower plasma copper (<27.9μmol/L and 27.9-32.5μmol/L) had decreased risk for any pregnancy complication when compared with women with high plasma copper (>32.5μmol/L) (aRR=0.87; 95% CI=0.76, 0.99 and aRR=0.88; 95% CI=0.78, 1.00, respectively). This was also observed when adjusting for plasma zinc and selenium status (<27.9μmol/L: aRR=0.81; 95% CI=0.69, 0.96 and 27.9-32.5μmol/L: aRR=0.84; 95% CI=0.72, 0.98). Combined low copper and zinc status was also associated with a reduced risk of any pregnancy complication as compared with high copper and zinc status (aRR=0.80; 95% CI=0.70, 0.93). These results provide justification for further work into elucidating the mechanistic role of trace elements in early pregnancy, as well as their interactions in supporting successful pregnancy outcomes.
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Affiliation(s)
- Rebecca L Wilson
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Tina Bianco-Miotto
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Waite Research Institute & School of Agriculture, Food and Wine, University of Adelaide, Adelaide, Australia
| | - Shalem Y Leemaqz
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Luke E Grzeskowiak
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Gustaaf A Dekker
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Adelaide Medical School, University of Adelaide, Adelaide, Australia; Women's and Children's Division, Lyell McEwin Hospital, Elizabeth Vale, Australia
| | - Claire T Roberts
- Robinson Research Institute, University of Adelaide, Adelaide, Australia; Adelaide Medical School, University of Adelaide, Adelaide, Australia.
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Barneo-Caragol C, Martínez-Morillo E, Rodríguez-González S, Lequerica-Fernández P, Vega-Naredo I, Álvarez Menéndez FV. Strontium and oxidative stress in normal pregnancy. J Trace Elem Med Biol 2018; 45:57-63. [PMID: 29173484 DOI: 10.1016/j.jtemb.2017.09.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 09/16/2017] [Accepted: 09/22/2017] [Indexed: 01/10/2023]
Abstract
BACKGROUND Pregnancy brings about metabolic and oxidative changes that involve various trace elements and oxidative stress. Strontium (Sr) is a trace element scarcely studied in this context, although it has been suggested that it may play a role in the pathophysiology of preeclampsia. The main aim of this study was to evaluate Sr concentrations and oxidative status in normal pregnancy. METHODS The study population included non-pregnant women (n=31), healthy pregnant women in the first (n=50), second (n=51) and third (n=53) trimesters of gestation, and women in postpartum period (n=31). Additionally, samples from another twenty pregnant women were obtained in the three trimesters. Strontium, copper, selenium and zinc were measured by inductively coupled plasma-mass spectrometry. Calcium (Ca), uric acid (UA), lipid peroxidation and total antioxidant activity (TAA) were measured by spectrophotometric assays. RESULTS Strontium remained unchanged until the third trimester of pregnancy, in which significantly higher levels were found (p=0.001). The other elements showed diverse trends during pregnancy. Uric acid levels were significantly different in all groups (p<0.001), increasing gradually as the pregnancy progresses. In serial samples, there was a statistically significant positive correlation between Sr and gestational week of sampling (r=0.31, p=0.01), UA (r=0.40, p=0.001) and lipid peroxidation/TAA ratio (r=0.38, p=0.0002). Additionally, Sr correlated negatively with TAA (r=-0.40, p=0.0001). CONCLUSION Strontium seems to play a physiological role in the oxidative status of the human organism. Further studies involving Sr and pathologies of pregnancy are warranted.
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Affiliation(s)
- Clara Barneo-Caragol
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Eduardo Martínez-Morillo
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Susana Rodríguez-González
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, s/n, 33006, Oviedo, Asturias, Spain.
| | - Paloma Lequerica-Fernández
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - Ignacio Vega-Naredo
- Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, Av. Julián Clavería, s/n, 33006, Oviedo, Asturias, Spain.
| | - Francisco V Álvarez Menéndez
- Laboratory of Medicine, Department of Clinical Biochemistry, Hospital Universitario Central de Asturias, Av. de Roma, s/n, 33011, Oviedo, Asturias, Spain; Department of Biochemistry and Molecular Biology, University of Oviedo, C/Fernando Bongera s/n, 33006, Oviedo, Asturias, Spain.
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17
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Xu M, Guo D, Gu H, Zhang L, Lv S. Selenium and Preeclampsia: a Systematic Review and Meta-analysis. Biol Trace Elem Res 2016; 171:283-292. [PMID: 26516080 DOI: 10.1007/s12011-015-0545-7] [Citation(s) in RCA: 40] [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: 08/06/2015] [Accepted: 10/15/2015] [Indexed: 12/21/2022]
Abstract
Conflicting results exist between selenium concentration and preeclampsia. The role of selenium in the development of preeclampsia is unclear. We conducted a meta-analysis to compare the blood selenium level in patients with preeclampsia and healthy pregnant women, and to determine the effectiveness of selenium supplementation in preventing preeclampsia. We searched PubMed, ScienceDirect, the Cochrane Library, and relevant references for English language literature up to November 25, 2014. Mean difference from observational studies and relative risk from randomized controlled trials were meta-analyzed by a random-effect model. Thirteen observational studies with 1515 participants and 3 randomized controlled trials with 439 participants were included in the meta-analysis. Using a random-effect model, a statistically significant difference in blood selenium concentration of -6.47 μg/l (95 % confidence interval (CI) -11.24 to -1.7, p = 0.008) was seen after comparing the mean difference of observational studies. In randomized controlled trials, using a random-effect model, the relative risk for preeclampsia was 0.28 (0.09 to 0.84) for selenium supplementation (p = 0.02). Evidence from observational studies indicates an inverse association of blood selenium level and the risk of preeclampsia. Supplementation with selenium significantly reduces the incidence of preeclampsia. However, more prospective clinical trials are required to assess the association between selenium supplementation and preeclampsia and to determine the dose, beginning time, and duration of selenium supplementation.
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Affiliation(s)
- Min Xu
- Department of Obstetrics, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, China
| | - Dan Guo
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Hao Gu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Li Zhang
- Department of Obstetrics, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, China
| | - Shuyan Lv
- Department of Obstetrics, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, China.
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The Relationship between Serum Zinc Level and Preeclampsia: A Meta-Analysis. Nutrients 2015; 7:7806-20. [PMID: 26389947 PMCID: PMC4586561 DOI: 10.3390/nu7095366] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 08/31/2015] [Accepted: 09/07/2015] [Indexed: 01/11/2023] Open
Abstract
The association between serum zinc level and preeclampsia (PE) remains controversial. A systematic literature search was performed in PubMed, Web of Science and Embase for relevant available articles. The articles were limited to those in English from January 1990 to April 2015. Observational studies evaluating the association between serum zinc level and PE were included. The I2 was used to assess heterogeneity and the random effect model (REM) was adopted as the pooling method. The pooled standard mean difference (SMD) with 95% confidence interval (CI) was used to estimate the association between serum zinc level and PE. Seventeen observational studies were included. Compared with healthy pregnancy controls, PE patients have lower serum zinc level in 14 studies about total PE (SMD (95% CI): −0.587 (−0.963, −0.212), Z = 3.06, p for Z = 0.002; I2 = 88.4%, p for I2 < 0.0001). In subgroup analysis, a lower serum zinc level in PE patients compared with healthy pregnancy controls was observed in studies conducted in Asia, studies with zinc level measured in serum, and studies involving fasting participants. The SMD did not differ significantly between studies with healthy pregnancy controls matched by individual age (yes or no), and by individual gestational age (yes or no), respectively. Results from this meta-analysis indicate that serum zinc level in PE patients is significantly lower than that in healthy pregnancy controls. A moderate amount of zinc supplementation during pregnancy is advocated to reduce the incidence of PE.
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Trace elements as predictors of preeclampsia in type 1 diabetic pregnancy. Nutr Res 2015; 35:421-30. [PMID: 25912764 DOI: 10.1016/j.nutres.2015.04.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 03/23/2015] [Accepted: 04/07/2015] [Indexed: 12/16/2022]
Abstract
Preeclampsia (PE) affects approximately 5% of all pregnancies, but is increased several-fold in women with pre-gestational type 1 diabetes mellitus (T1DM). Increased oxidative stress and altered maternal plasma trace elements that modulate the antioxidant system have been implicated in PE. In non-diabetic women, increased plasma copper and iron and decreased manganese, selenium, and zinc have been associated with PE in cross-sectional studies. In a longitudinal study, we hypothesized that plasma levels of trace elements differ between T1DM women with vs. without subsequent PE. Samples were collected during the first (gestation 12.2 ± 1.9 weeks, [mean ± SD]), second (21.6 ± 1.5 weeks), and third (31.5 ± 1.7 weeks) trimesters of pregnancy, all before the onset of PE. We compared 23 T1DM women who subsequently developed PE with 24 T1DM women who remained normotensive; and we included 19 non-diabetic (non-DM) normotensive pregnant women as reference controls. Trace elements were measured using inductively coupled plasma mass spectroscopy. In T1DM women with subsequent PE vs normotensive, only plasma zinc was significantly higher at the first trimester, while copper:zinc and copper:high-density lipoprotein cholesterol ratios were higher throughout gestation (all P < .05). These findings persisted after adjustment for covariates. Higher copper:zinc ratios may contribute to oxidative stress in T1DM women who develop PE. Ratios of pro- to anti-oxidant factors may predict risk for PE in diabetic pregnancies more effectively than individual trace element levels.
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