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Peng H, Lu T, Xiong S, Ferrer ASN, Wang Y. Calcium and magnesium in China's public drinking water and their daily estimated average requirements. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:3447-3464. [PMID: 36342636 DOI: 10.1007/s10653-022-01416-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 10/08/2022] [Indexed: 06/01/2023]
Abstract
Calcium (Ca) and magnesium (Mg) in drinking water and the relevant health effects have been ignored for too long. This study aims to reveal the concentrations, spatial distributions, origins and contributions to the daily estimated average requirements of Ca and Mg in public drinking water. Using hydrochemical data of collected samples of public drinking water in 314 cities across China, the contributions of Ca and Mg intakes from public drinking water to their daily estimated average requirements (EARs) were assessed. And the significance of Ca/Mg ratio and total hardness (TH) was evaluated as well. The Ca and Mg concentrations of the samples were in the range of 2.5-155.1 mg/L and 0.2-81.9 mg/L, with an average of 40.4 mg/L and 12.4 mg/L, respectively. There exist obvious differences in Ca and Mg concentrations in different regions, under the impact of climate conditions and water-rock interactions. The intake of Ca via the consumption of public drinking water for adults may be twice as much as that for other age groups. In cities with high Ca levels in public drinking water, the Ca contributions to EAR could reach up to 51.59% for adults. By contrast, Mg in drinking water is an important and even the main pathway to ingest Mg for infants and children. Therefore, public drinking water is critical for Ca and Mg intake among urban residents of China. Besides, attention should be paid to the health effects of high Ca/Mg ratio and low TH in public drinking water, especially in southern China. This research is the first systematic and comprehensive national scale study of Ca and Mg in public drinking water and can provide an important reference to improve healthy public drinking water standards around the world.
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Affiliation(s)
- Hao Peng
- School of Environmental Studies, China University of Geoscience, Wuhan, 430078, China
| | - Taotao Lu
- College of Hydraulic Science and Engineering, Yangzhou University, 225009, Yangzhou, China
| | - Shuang Xiong
- Wuhan Zondy W&R Environmental Technology Co., Ltd, Wuhan, 430078, China
| | | | - Yanxin Wang
- School of Environmental Studies, China University of Geoscience, Wuhan, 430078, China.
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Lu T, Peng H, Yao F, Nadine Ferrer AS, Xiong S, Niu G, Wu Z. Trace elements in public drinking water in Chinese cities: Insights from their health risks and mineral nutrition assessments. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 318:115540. [PMID: 35738127 DOI: 10.1016/j.jenvman.2022.115540] [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: 12/27/2021] [Revised: 06/08/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
The trace elements in the public drinking water have a duality: on the one hand, trace elements play an important role in maintaining human metabolism; on the other hand, high trace elements levels lead to significant health risks. To determine the impacts of trace elements in the public drinking water on physical health in China, water samples were collected from 314 Chinese cities to analyze the concentrations and spatial distributions of trace elements on a national scale. On this basis, the non-carcinogenic health risk assessments and the nutrient-based scores of trace elements (NSTEs) were applied to evaluate the public drinking water quality in terms of safety and nutrition. Most of the water samples were weakly alkaline: pH values fell in the range of 6.62-8.54, with a mean of 7.80. The results indicated that Sr and F- had the highest concentrations in public drinking water, with averages of 0.3604 mg/L and 0.2351 mg/L, respectively. Moreover, hazard index (HI) values in different regions followed the order: northwest China (NWC) > northern China (NC) > Qinghai-Tibetan Plateau (QT) > southern China (SC). The percentages of water samples with HI > 1 in SC, NC, NWC, and QT were 5.49%, 16.82%, 25.81%, and 16.67%, respectively, indicating that the public drinking water in some cities had significant non-carcinogenic health risks. In addition, the intakes of Mn, Fe, Cu, and Rb through public drinking water made negligible contributions to their recommended nutrient intakes. In contrast, trace elements like Sr, F, B, Li, Mo, etc., contributed a lot. The NSTEs in NWC and most parts of NC were relatively high with averages of 8.0300 and 11.2082, respectively; however, the NSTEs in SC and the northeast part of NC were low with averages of 3.3284 and 5.2106, respectively. The results from this study provide a reference for establishing the public drinking water standards and improving drinking water quality.
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Affiliation(s)
- Taotao Lu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China; Wuhan Zondy W&R Environmental Technology Co., Ltd, Wuhan, 430078, China; Department of Hydrology, Bayreuth Center of Ecology and Environmental Research (BAYCEER), University of Bayreuth, Bayreuth, 95440, Germany
| | - Hao Peng
- School of Environmental Studies, China University of Geoscience, Wuhan, 430078, China; Wuhan Zondy W&R Environmental Technology Co., Ltd, Wuhan, 430078, China.
| | - Feifei Yao
- Qingdao Haier Smart Technology R&D Co., Ltd, Qingdao, 266101, China
| | - Aira Sacha Nadine Ferrer
- Department of Hydrology, Bayreuth Center of Ecology and Environmental Research (BAYCEER), University of Bayreuth, Bayreuth, 95440, Germany
| | - Shuang Xiong
- Wuhan Zondy W&R Environmental Technology Co., Ltd, Wuhan, 430078, China
| | - Geng Niu
- Wuhan Zondy W&R Environmental Technology Co., Ltd, Wuhan, 430078, China
| | - Zhonghua Wu
- Qingdao Haier Smart Technology R&D Co., Ltd, Qingdao, 266101, China
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Zinc, Magnesium, and Copper Levels in Patients with Sickle Cell Disease: A Systematic Review and Meta-analysis. Avicenna J Med 2022; 12:45-53. [PMID: 35833156 PMCID: PMC9272455 DOI: 10.1055/s-0042-1749612] [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] [Indexed: 11/18/2022] Open
Abstract
Background
Sickle cell disease (SCD) is associated with oxidative stress due to an imbalance between production and elimination of the reactive oxygen species. It has been reported that SCD patients are at risk of multiple micronutrients' deficiencies, including several trace elements involved in the antioxidation mechanisms. We aimed to assess the status of these micronutrients in SCD patients.
Methods
This study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. The databases of MedLine, Embase, and PsycInfo were used for the systematic search from time the databases existed until April 2021. A total of 36 studies fulfilled the eligibility criteria. We calculated the pooled standardized mean difference (SMD) of serum zinc, magnesium, or copper levels among patients with SCD and their healthy controls.
Results
SCD patients had significantly lower zinc (SMD = −1.27 [95% CI: 1.67−0.87,
p
0.001]) and magnesium levels (SMD = −0.53 [95% CI: 1.0−0.06,
p
0.026] than their controls. Copper level was found to be significantly higher in SCD patients, with SMD = 0.68 (95% CI: 0.05−1.32,
p
0.004).
Conclusion
This review showed that SCD patients may potentially prompt to have lower zinc and magnesium levels and higher copper levels compared with those without the disease. Future research need to be directed to investigate clinical outcome of nutritional difficiencies in patients with SCD, as well as the possibility of implementing nutritional supplement programs which may help minimizing the harmful effects of the disease on human body.
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Khan EA, Cheddani L, Saint-Jacques C, Vargas-Poussou R, Frochot V, Chieze R, Letavernier E, Avellino V, Lionnet F, Haymann JP. Primary Hyperparathyroidism in Homozygous Sickle Cell Patients: A Hemolysis-Mediated Hypocalciuric Hypercalcemia Phenotype? J Clin Med 2021; 10:jcm10215179. [PMID: 34768698 PMCID: PMC8584729 DOI: 10.3390/jcm10215179] [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: 08/22/2021] [Revised: 09/21/2021] [Accepted: 11/03/2021] [Indexed: 11/16/2022] Open
Abstract
Primary hyperparathyroidism (pHPT) has been reported to have a higher prevalence in sickle cell disease (SCD) patients, including a high rate of recurrence following surgery. However, most patients are asymptomatic at the time of diagnosis, with surprisingly infrequent hypercalciuria, raising the issue of renal calcium handling in SCD patients. We conducted a retrospective study including (1) 64 hypercalcemic pHPT non-SCD patients; (2) 177 SCD patients, divided into two groups of 12 hypercalcemic pHPT and 165 non-pHPT; (3) eight patients with a diagnosis of familial hypocalciuric hypercalcemia (FHH). Demographic and biological parameters at the time of diagnosis were collected and compared between the different groups. Determinants of fasting fractional excretion of calcium (FeCa2+) were also analyzed in non-pHPT SCD patients. Compared to non-SCD pHPT patients, our data show a similar ionized calcium and PTH concentration, with a lower plasmatic calcitriol concentration and a lower daily urinary calcium excretion in pHPT SCD patients (p < 0.0001 in both cases). Fasting FeCa2+ is also surprisingly low in pHPT SCD patients, and thus inadequate to be considered hypercalcemia, recalling the FHH phenotype. FeCa2+ is also low in the non-pHPT SCD control group, and negatively associated with PTH and hemolytic biomarkers such as LDH and low hemoglobin. Our data suggest that the pHPT biochemical phenotype in SCD patients resembles the FHH phenotype, and the fasting FeCa2+ association with chronic hemolysis biomarkers strengthens the view of a potential pharmacological link between hemolytic by-products and calcium reabsorption, potentially through a decreased calcium-sensing receptor (CaSR) activity.
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Affiliation(s)
- Edmat Akhtar Khan
- Service de Néphrologie, Université de Lorraine, CHRU-Nancy, 54500 Vandœuvre-lès-Nancy, France;
| | - Lynda Cheddani
- Unité HTA, Prévention et Thérapeutique Cardiovasculaires, Assistance Publique—Hôpitaux de Paris, Hôpital Hôtel Dieu, 75004 Paris, France;
- Centre de Diagnostic et de Thérapeutique, Hôtel-Dieu, Université de Paris, 75006 Paris, France
| | - Camille Saint-Jacques
- Service des Explorations Fonctionnelles Multidisciplinaires, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (C.S.-J.); (V.F.); (R.C.); (E.L.)
- Unité Mixte de Recherche (UMR) S 1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Hôpital Tenon, 75020 Paris, France
| | - Rosa Vargas-Poussou
- Centre d’Investigation Clinique, Centre de Référence des Maladies Rénales Héréditaires de l’Enfant et de l’Adulte, Assistance Publique—Hôpitaux de Paris, Hôpital Européen Georges Pompidou, 75015 Paris, France;
| | - Vincent Frochot
- Service des Explorations Fonctionnelles Multidisciplinaires, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (C.S.-J.); (V.F.); (R.C.); (E.L.)
- Unité Mixte de Recherche (UMR) S 1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Hôpital Tenon, 75020 Paris, France
| | - Remi Chieze
- Service des Explorations Fonctionnelles Multidisciplinaires, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (C.S.-J.); (V.F.); (R.C.); (E.L.)
- Unité Mixte de Recherche (UMR) S 1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Hôpital Tenon, 75020 Paris, France
| | - Emmanuel Letavernier
- Service des Explorations Fonctionnelles Multidisciplinaires, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (C.S.-J.); (V.F.); (R.C.); (E.L.)
- Unité Mixte de Recherche (UMR) S 1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Hôpital Tenon, 75020 Paris, France
| | - Virginie Avellino
- Service de Médecine Interne, Centre de Référence de la Drépanocytose, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (V.A.); (F.L.)
| | - Francois Lionnet
- Service de Médecine Interne, Centre de Référence de la Drépanocytose, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (V.A.); (F.L.)
| | - Jean-Philippe Haymann
- Service des Explorations Fonctionnelles Multidisciplinaires, Assistance Publique—Hôpitaux de Paris, Hôpital Tenon, 75020 Paris, France; (C.S.-J.); (V.F.); (R.C.); (E.L.)
- Unité Mixte de Recherche (UMR) S 1155, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Hôpital Tenon, 75020 Paris, France
- Correspondence: ; Tel.: +33-1-5601-6771; Fax: +33-1-5601-7003
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