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Yang M, Su Y, Xu K, Wan X, Xie J, Liu L, Yang Z, Xu P. Iron, copper, zinc and magnesium on rheumatoid arthritis: a two-sample Mendelian randomization study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:2776-2789. [PMID: 37903459 DOI: 10.1080/09603123.2023.2274377] [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: 09/07/2023] [Accepted: 10/18/2023] [Indexed: 11/01/2023]
Abstract
This study aimed to elucidate the causal genetic relationships between iron, copper, zinc, magnesium, and rheumatoid arthritis (RA). A two-sample Mendelian randomization (MR) analysis was conducted using the "TwoSampleMR" and "MendelianRandomization" packages in R. The random-effects inverse variance-weighted (IVW) method was used as the primary approach. We performed sensitivity analyses to test the reliability of the results. The random-effects IVW analysis revealed that there was no genetic causal relationship between iron (P = 0.429, odds ratio [OR] 95% confidence interval [CI] = 0.919 [0.746-1.133]), copper (P = 0.313, OR 95% CI = 0.973 [0.921-1.027]), zinc (P = 0.633, OR 95% CI = 0.978 [0.891-1.073]), or magnesium (P = 0.218, OR 95% CI = 0.792 [0.546-1.148]) and RA. Sensitivity analysis verified the reliability of the results. Therefore, there is no evidence to support a causal relationship between iron, copper, zinc, and magnesium intake at the genetic level and the development of RA.
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Affiliation(s)
- Mingyi Yang
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yani Su
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ke Xu
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xianjie Wan
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jiale Xie
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Lin Liu
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhi Yang
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Peng Xu
- Department of Joint Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Chen J, Lin S, Wang X, Wang X, Gao P. Lower Dietary Magnesium Is Associated with a Higher Hemoglobin Glycation Index in the National Health and Nutrition Examination Survey. Biol Trace Elem Res 2024; 202:878-884. [PMID: 37294398 DOI: 10.1007/s12011-023-03727-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
The data for the effect of dietary magnesium (Mg) on hemoglobin glycation index (HGI) is limited. Thus, this study aimed to examine the relationship between dietary Mg and HGI in the general population. Our research used data from the National Health and Nutrition Examination Survey from 2001 to 2002. The dietary intake of Mg was assessed by two 24-h dietary recalls. The predicted HbA1c was calculated based on fasting plasma glucose. Logistic regression and restricted cubic spline models were applied to assess the relationship between dietary Mg intake and HGI. We found a significant inverse association between dietary Mg intake and HGI (β = - 0.00016, 95%CI: - 0.0003, - 0.00003, P = 0.019). Dose-response analyses revealed that HGI decreased with increasing intakes of Mg when reached the point above 412 mg/day. There was a linear dose-response relationship between dietary Mg intake and HGI in diabetic subjects, and there was an L-shape dose-response relationship in non-diabetic individuals. Increasing the intake of Mg might help lower the risk associated with high HGI. Further prospective studies are requested before dietary recommendations.
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Affiliation(s)
- Juan Chen
- Department of Endocrinology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, 223300, Jiangsu, China.
| | - Song Lin
- Department of Clinical Nutrition, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, 223300, Jiangsu, China
| | - Xingzhou Wang
- Department of Endocrinology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, 223300, Jiangsu, China
| | - Xiwei Wang
- Department of Mathematics, The University of Liverpool, Liverpool, UK
| | - Pengxia Gao
- Department of Endocrinology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, 223300, Jiangsu, China.
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Salinas M, López-Garrigós M, Flores E, Leiva-Salinas C. Improving diagnosis and treatment of hypomagnesemia. Clin Chem Lab Med 2024; 62:234-248. [PMID: 37503587 DOI: 10.1515/cclm-2023-0537] [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: 05/22/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023]
Abstract
Magnesium is one of the most abundant cations in the body and acts as a cofactor in more than 600 biochemical reactions. Hypomagnesemia is a highly prevalent condition, especially in subjects with comorbid conditions, but has received less attention than other electrolyte disturbances. This review will discuss magnesium physiology, absorption, storage, distribution across the body, and kidney excretion. After reviewing the regulation of magnesium homeostasis, we will focus on the etiology and clinical presentation of hypomagnesemia. The role of laboratory medicine in hypomagnesemia will be the main purpose of this review, and we will discuss the laboratory tests and different samples and methods for its measurement. Although free magnesium is physiologically active, total serum magnesium is the most commonly used measurement in laboratory medicine and is apt for clinical purposes; however, it is not appropriately used, and many patients with hypomagnesemia remain undiagnosed and not treated. Using information technologies, laboratory medicine can largely improve the diagnosis and treatment of hypomagnesemia through the design and establishment of automatic demand management and result management interventions by acting in the first and last steps of the laboratory cycle, test requests, and actions taken after test results, to unmask patients with hypomagnesemia and improve the number of patients undergoing treatment.
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Affiliation(s)
- Maria Salinas
- Clinical Laboratory, Hospital Universitario de San Juan, San Juan de Alicante, Alicante, Spain
| | - Maite López-Garrigós
- Clinical Laboratory, Hospital Universitario de San Juan, San Juan de Alicante, Alicante, Spain
- Department of Biochemistry and Molecular Biology, Universidad Miguel Hernandez, San Juan de Alicante, Spain
- CIBER en Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Emilio Flores
- Clinical Laboratory, Hospital Universitario de San Juan, San Juan de Alicante, Alicante, Spain
- Department of Clinic Medicine, Universidad Miguel Hernández, San Juan de Alicante, Spain
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Tian Z, Qu S, Chen Y, Fang J, Song X, He K, Jiang K, Sun X, Shi J, Tao Y, Jin L. Associations of the magnesium depletion score and magnesium intake with diabetes among US adults: an analysis of the National Health and Nutrition Examination Survey 2011-2018. Epidemiol Health 2024; 46:e2024020. [PMID: 38271961 PMCID: PMC11099598 DOI: 10.4178/epih.e2024020] [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: 07/27/2023] [Accepted: 12/05/2023] [Indexed: 01/27/2024] Open
Abstract
OBJECTIVES The magnesium depletion score (MDS) is considered more reliable than traditional approaches for predicting magnesium deficiency in humans. We explored the associations of MDS and dietary magnesium intake with diabetes. METHODS We obtained data from 18,853 participants in the National Health and Nutrition Examination Survey 2011-2018. Using multivariate regression and stratified analysis, we investigated the relationships of both MDS and magnesium intake with diabetes. To compute prevalence ratios (PRs), we employed modified Poisson or log-binomial regression. We characterized the non-linear association between magnesium intake and diabetes using restricted cubic spline analysis. RESULTS Participants with MDS ≥2 exhibited a PR of 1.26 (95% confidence interval [CI], 1.19 to 1.34) for diabetes. Per-standard deviation (SD) increase in dietary magnesium intake was associated with a lower prevalence of diabetes (PR, 0.91; 95% CI, 0.87 to 0.96). Subgroup analyses revealed a positive association between MDS ≥2 and diabetes across all levels of dietary magnesium intake, including the lowest (PR, 1.35; 95% CI, 1.18 to 1.55), middle (PR, 1.23; 95% CI, 1.12 to 1.35), and highest tertiles (PR, 1.25; 95% CI, 1.13 to 1.37; pinteraction<0.001). Per-SD increase in magnesium intake was associated with lower diabetes prevalence in participants with MDS <2 (PR, 0.92; 95% CI, 0.87 to 0.98) and those with MDS ≥2 (PR, 0.91; 95% CI, 0.84 to 0.98; pinteraction=0.030). CONCLUSIONS MDS is associated with diabetes, particularly among individuals with low magnesium intake. Adequate dietary magnesium intake may reduce diabetes risk, especially in those with high MDS.
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Affiliation(s)
- Zhong Tian
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Shifang Qu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Yana Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Jiaxin Fang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Xingxu Song
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Kai He
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Kexin Jiang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Xiaoyue Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Jianyang Shi
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Yuchun Tao
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Lina Jin
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
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Harahap IA, Kuligowski M, Schmidt M, Kurzawa P, Suliburska J. Influence of Isoflavones and Probiotics on Magnesium Status in Healthy Female Rats. Foods 2023; 12:3908. [PMID: 37959026 PMCID: PMC10647356 DOI: 10.3390/foods12213908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Isoflavones and probiotics are promising nutrients for bone health, and magnesium (Mg) is essential for bone metabolism. This study aimed to determine the effects of daidzein, genistein and Lactobacillus acidophilus on the Mg status of healthy female rats. Forty-eight rats were randomly assigned to six groups, with the control group receiving a standard diet (AIN 93M). The remaining groups were fed the same diet with added ingredients such as tempeh flour; soy flour; pure daidzein and genistein; L. acidophilus or a combination of daidzein, genistein, and L. acidophilus. Tissue samples were collected after the eight-week intervention, and Mg concentrations were analysed using flame atomic absorption spectrometry. Myeloid and erythroid cells were determined using the haematoxylin and eosin bone staining method. Statistical analyses were conducted using one-way ANOVA with Tukey's post hoc test and Pearson's correlation coefficient. The threshold for significance was p < 0.05. Compared with the control group, adding tempeh to the diet of rats resulted in significant changes in Mg concentrations in various tissues, with a decrease in the kidneys and an increase in the fur. Although not statistically significant compared to the control group, the tempeh group showed increased Mg concentrations in the femur and spleen. The myeloid-to-erythroid cell ratio did not differ significantly among groups, but all intervention groups showed higher ratios than the control group. A strong negative correlation was observed between Mg concentrations in the kidneys and fur. Conversely, a positive correlation was identified between Mg concentrations in the pancreas and fur. Daily consumption of tempeh may improve Mg status in the organism. Intake of pure daidzein, genistein, or probiotic seems to have no effect on Mg concentrations in healthy rats.
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Affiliation(s)
- Iskandar Azmy Harahap
- Department of Human Nutrition and Dietetics, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, 60-624 Poznan, Poland;
| | - Maciej Kuligowski
- Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, 60-624 Poznan, Poland;
| | - Marcin Schmidt
- Department of Biotechnology and Food Microbiology, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, 60-624 Poznan, Poland;
| | - Paweł Kurzawa
- Department of Clinical Pathology, Poznan University of Medical Sciences, 60-355 Poznan, Poland;
| | - Joanna Suliburska
- Department of Human Nutrition and Dietetics, Faculty of Food Science and Nutrition, Poznan University of Life Sciences, 60-624 Poznan, Poland;
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Vahid F, Rahmani W, Davoodi SH, Bohn T. The micronutrient content of the diet is correlated with serum glucose biomarkers and lipid profile and is associated with the odds of being overweight/obese-a case-control study. Front Nutr 2023; 10:1148183. [PMID: 37457985 PMCID: PMC10338876 DOI: 10.3389/fnut.2023.1148183] [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: 01/19/2023] [Accepted: 06/13/2023] [Indexed: 07/18/2023] Open
Abstract
Background A low micronutrient intake has been reported to contribute to the double-burden of obesity, increasing the risk for chronic diseases such as cardiovascular disease, diabetes, cancer, and mental disorders. This case-control study compared micronutrient intake profiles in overweight/obese vs. normal-weight individuals. We hypothesized that a low intake of certain micronutrients would increase the odds of being overweight/obese. Methods The case group (n = 812 adults) consisted of individuals with a BMI of ≥25 kg/m2, and the control group (n = 793) had BMIs of 17.9-24.9 kg/m2. A validated 124-item food frequency questionnaire was used to determine micronutrient-related dietary-quality, using the index of nutritional quality (INQ), calculated as the fraction of a micronutrient consumed vs. its dietary requirement. In addition, body surface area (BSA) was calculated according to the Mosteller formula. Results The control group had significantly higher INQ-scores of vitamin A, vitamin C, calcium, magnesium, and selenium compared to the case group. Furthermore, individuals with normal BSA (≤1.91 m2 for men; ≤1.71 m2 for women) had significantly higher INQ scores of vitamin C, calcium, magnesium, and zinc compared to participants with high BSA. In multivariable adjustment regression models, INQs of vitamin C (ORBMI = 0.79, 95%CI: 0.64-0.97; ORBSA = 0.81, 95%CI, 0.68-0.97) and magnesium (ORBMI = 0.69, 95%CI: 0.47-0.99; ORBSA = 0.71, 95%CI: 0.52-0.97) were significantly associated with the odds of obesity/overweight (in both BMI and BSA categories). Conclusion The significant association between micronutrient levels of the diet, especially of vitamin C and magnesium, with both obesity criteria, emphasized the importance of certain micronutrients in the obesity/overweight causal network.
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Affiliation(s)
- Farhad Vahid
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Health, Strassen, Luxembourg
| | - Wena Rahmani
- Nutrition Group, School of Health, Arak University of Medical Science, Arak, Iran
| | - Sayed Hossein Davoodi
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Torsten Bohn
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Health, Strassen, Luxembourg
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Bressendorff I, Hansen D, Schou M, Kragelund C, Svensson M, Hashemi B, Kristensen T, Vrist MH, Borg R, Tougaard B, Borg K, Hjortkjær HØ, Kristiansen CH, Carlson N, Nasiri M, Ashraf H, Pasch A, Brandi L. The Effect of Magnesium Supplementation on Vascular Calcification in CKD: A Randomized Clinical Trial (MAGiCAL-CKD). J Am Soc Nephrol 2023; 34:886-894. [PMID: 36749131 PMCID: PMC10125639 DOI: 10.1681/asn.0000000000000092] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/17/2022] [Indexed: 02/08/2023] Open
Abstract
SIGNIFICANCE STATEMENT Magnesium prevents vascular calcification in animals with CKD. In addition, lower serum magnesium is associated with higher risk of cardiovascular events in CKD. In a randomized, double-blinded, placebo-controlled trial, the authors investigated the effects of magnesium supplementation versus placebo on vascular calcification in patients with predialysis CKD. Despite significant increases in plasma magnesium among study participants who received magnesium compared with those who received placebo, magnesium supplementation did not slow the progression of vascular calcification in study participants. In addition, the findings showed a higher incidence of serious adverse events in the group treated with magnesium. Magnesium supplementation alone was not sufficient to delay progression of vascular calcification, and other therapeutic strategies might be necessary to reduce the risk of cardiovascular disease in CKD. BACKGROUND Elevated levels of serum magnesium are associated with lower risk of cardiovascular events in patients with CKD. Magnesium also prevents vascular calcification in animal models of CKD. METHODS To investigate whether oral magnesium supplementation would slow the progression of vascular calcification in CKD, we conducted a randomized, double-blinded, placebo-controlled, parallel-group, clinical trial. We enrolled 148 subjects with an eGFR between 15 and 45 ml/min and randomly assigned them to receive oral magnesium hydroxide 15 mmol twice daily or matching placebo for 12 months. The primary end point was the between-groups difference in coronary artery calcification (CAC) score after 12 months adjusted for baseline CAC score, age, and diabetes mellitus. RESULTS A total of 75 subjects received magnesium and 73 received placebo. Median eGFR was 25 ml/min at baseline, and median baseline CAC scores were 413 and 274 in the magnesium and placebo groups, respectively. Despite plasma magnesium increasing significantly during the trial in the magnesium group, the baseline-adjusted CAC scores did not differ significantly between the two groups after 12 months. Prespecified subgroup analyses according to CAC>0 at baseline, diabetes mellitus, or tertiles of serum calcification propensity did not significantly alter the main results. Among subjects who experienced gastrointestinal adverse effects, 35 were in the group receiving magnesium treatment versus nine in the placebo group. Five deaths and six cardiovascular events occurred in the magnesium group compared with two deaths and no cardiovascular events in the placebo group. CONCLUSIONS Magnesium supplementation for 12 months did not slow the progression of vascular calcification in CKD, despite a significant increase in plasma magnesium. CLINICAL TRIALS REGISTRATION www.clinicaltrials.gov ( NCT02542319 ).
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Affiliation(s)
- Iain Bressendorff
- Department of Endocrinology and Nephrology, Nordsjællands Hospital, Hillerød, Denmark
- Department of Nephrology, Herlev and Gentofte Hospital, Herlev, Denmark
| | - Ditte Hansen
- Department of Nephrology, Herlev and Gentofte Hospital, Herlev, Denmark
| | - Morten Schou
- Department of Cardiology, Herlev and Gentofte Hospital, Herlev, Denmark
| | | | - My Svensson
- Department of Nephrology, Akershus University Hospital, Lørenskog, Norway
| | - Bahram Hashemi
- Department of Nephrology, Aalborg University Hospital, Aalborg, Denmark
| | - Tilde Kristensen
- Division of Nephrology, Department of Medicine, Hospitalsenheden Midt, Viborg, Denmark
| | | | - Rikke Borg
- Department of Medicine, Division of Nephrology, Zealand University Hospital, Roskilde, Denmark
| | - Birgitte Tougaard
- Department of Nephrology, Aarhus University Hospital, Aarhus, Denmark
| | - Kristine Borg
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark
| | | | | | | | | | - Haseem Ashraf
- Department of Imaging, Akershus University Hospital, Lørenskog, Norway
- Department of Pulmonary Medicine, Herlev and Gentofte Hospital, Gentofte, Denmark
| | - Andreas Pasch
- Calciscon AG, Bern Nidau, Switzerland
- Department of Physiology and Pathophysiology, Johannes Kepler University Linz, Linz, Austria
| | - Lisbet Brandi
- Department of Endocrinology and Nephrology, Nordsjællands Hospital, Hillerød, Denmark
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8
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Huang J, Xu J, Ye P, Xin X. Association between magnesium intake and the risk of anemia among adults in the United States. Front Nutr 2023; 10:1046749. [PMID: 36908911 PMCID: PMC9996106 DOI: 10.3389/fnut.2023.1046749] [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: 09/19/2022] [Accepted: 02/08/2023] [Indexed: 02/25/2023] Open
Abstract
Background Magnesium deficiency is related to an increased risk of anemia, but epidemiological evidence supporting this association remains scarce. The purpose of the present survey was to evaluate the relationship between dietary magnesium intake and the risk of anemia. Methods In total, 13,423 participants aged 20-80 years were enrolled using data from the National Health and Nutrition Examination Survey 2011-2016. Magnesium consumption was evaluated using 24 h dietary recalls. Multivariable generalized linear models were developed to demonstrate the association between dietary magnesium intake and the prevalence of anemia. Results An inverse association between dietary magnesium intake and the risk of anemia was detected based on a full adjustment model. We evaluated magnesium intake as a categorical variable (five quartiles). Compared with the lowest value, the highest multivariate adjusted odds ratio (95% confidence interval) for anemia was 0.64 (0.46-0.89). Stratified analyses revealed a reverse relationship between magnesium intake and anemia in women. However, no significant association was observed in men (p for trend = 0.376). A similar reverse association was found among the older group (aged ≥60 years). Conclusion Magnesium deficiency is closely related to a higher rate of anemia occurrence, especially among women and older Americans. Further larger-scale prospective studies are required to confirm these conclusions.
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Affiliation(s)
- Jungao Huang
- Ganzhou Maternal and Child Health Hospital, Ganzhou, Jiangxi, China
| | - Jing Xu
- Department of Clinical Laboratory, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Ping Ye
- Department of Clinical Laboratory, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
| | - Xiaoqin Xin
- Department of Clinical Laboratory, Ganzhou People's Hospital, Ganzhou, Jiangxi, China
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Srivastava P, Verma VK, Sabbarwal S, Singh M, Sahoo K, Koch B, Kumar M. White light-emitting, biocompatible, water-soluble metallic magnesium nanoclusters for bioimaging applications. NANOTECHNOLOGY 2022; 34:105702. [PMID: 36537740 DOI: 10.1088/1361-6528/aca545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
Ultra-small (1.6 nm), water-soluble, white light-emitting (WLE), highly stable (∼8 months) BSA templated metallic (Mg0) nanoclusters (fluorescent magnesium nanoclusters = FMNCs) is developed using the green and facile route. Synthesis was facilitated by the reduction of magnesium salt, where template bovine serum albumin is utilized as a reducing agent and ascorbic acid act as a capping agent to impart stability in water, thereby obtaining stabilized Mg0nanoclusters In solution, stabilized Mg0nanoclusters produce white light (450-620 nm with FWHM ∼120 nm) upon 366 nm light excitation. This white light emission was found to have a CIE coordinate of 0.30, 0.33 [pure white light CIE (0.33, 0.33)]. Taking advantage of WLE and ultrasmall size, FMNCs were used forin vitrofluorescence imaging of HaCaT cell lines, yielding blue (τ= 2.94 ns, with a relative of QY = 1.2 % w.r.t QS), green (τ= 3.07 ns; relative quantum yield of 4.6% w.r.t R6G) and red (τ= 0.3 ns) images. Further, incubation of FMNCs with HEK293 (Human embryonic kidney cell) and cancerous MDA-MB-231 (Breast cancer cell line) human cell lines yielded 100 % cell viability. Current work is envisioned to contribute significantly in the area of science, engineering, and nanomedicine.
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Affiliation(s)
- Prachi Srivastava
- Nano2Micro Material Design Lab, IIT (BHU), Varanasi, India
- School of Biomedical Engineering, IIT (BHU), Varanasi-221005, India
| | - Vivek Kumar Verma
- Nano2Micro Material Design Lab, IIT (BHU), Varanasi, India
- School of Biomedical Engineering, IIT (BHU), Varanasi-221005, India
| | - Shivesh Sabbarwal
- Nano2Micro Material Design Lab, IIT (BHU), Varanasi, India
- Department of Chemical Engineering & Technology, IIT (BHU), Varanasi-221005, India
| | - Mamata Singh
- Department of Zoology, Banaras Hindu University, Varanasi-221005, India
| | - Kedar Sahoo
- Nano2Micro Material Design Lab, IIT (BHU), Varanasi, India
- Department of Chemical Engineering & Technology, IIT (BHU), Varanasi-221005, India
| | - Biplob Koch
- Department of Zoology, Banaras Hindu University, Varanasi-221005, India
| | - Manoj Kumar
- Nano2Micro Material Design Lab, IIT (BHU), Varanasi, India
- Department of Chemical Engineering & Technology, IIT (BHU), Varanasi-221005, India
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10
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Funato Y, Hashizume O, Miki H. Phosphatase-independent role of phosphatase of regenerating liver in cancer progression. Cancer Sci 2022; 114:25-33. [PMID: 36285487 PMCID: PMC9807511 DOI: 10.1111/cas.15625] [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: 09/01/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 01/07/2023] Open
Abstract
Phosphatase of regenerating liver (PRL) is a family of protein tyrosine phosphatases (PTPs) that are anchored to the plasma membrane by prenylation. They are frequently overexpressed in various types of malignant cancers and their roles in cancer progression have received considerable attention. Mutational analyses of PRLs have shown that their intrinsic phosphatase activity is dispensable for tumor formation induced by PRL overexpression in a lung metastasis model using melanoma cells. Instead, PRLs directly bind to cyclin M (CNNM) Mg2+ exporters in the plasma membrane and potently inhibit their Mg2+ export activity, resulting in an increase in intracellular Mg2+ levels. Experiments using mammalian culture cells, mice, and C. elegans have collectively revealed that dysregulation of Mg2+ levels severely affects ATP and reactive oxygen species (ROS) levels as well as the function of Ca2+ -permeable channels. Moreover, PRL overexpression altered the optimal pH for cell proliferation from normal 7.5 to acidic 6.5, which is typically observed in malignant tumors. Here, we review the phosphatase-independent biological functions of PRLs, focusing on their interactions with CNNM Mg2+ exporters in cancer progression.
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Affiliation(s)
- Yosuke Funato
- Department of Cellular RegulationResearch Institute for Microbial Diseases, Osaka UniversityOsakaJapan
| | - Osamu Hashizume
- Department of Cellular RegulationResearch Institute for Microbial Diseases, Osaka UniversityOsakaJapan
| | - Hiroaki Miki
- Department of Cellular RegulationResearch Institute for Microbial Diseases, Osaka UniversityOsakaJapan,Center for Infectious Disease Education and Research (CiDER)Osaka UniversityOsakaJapan
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11
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Lu J, Li H, Wang S. The kidney reabsorption-related Magnesium Depletion Score is associated with increased likelihood of abdominal aortic calcification among US adults. Nephrol Dial Transplant 2022; 38:1421-1429. [PMID: 35881469 DOI: 10.1093/ndt/gfac218] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Kidney reabsorption has a vital role in magnesium homeostasis. This study aimed to determine the relationship between the kidney reabsorption-related magnesium depletion score (MDS) and abdominal aortic calcification (AAC). METHODS We obtained the data of 2640 individuals from the National Health and Nutrition Examination Survey (NHANES) database and analyzed the relationship between MDS and AAC scores. MDS is a scoring system developed to predict status of magnesium deficiency that fully considered the pathophysiological factors influencing the kidneys' reabsorption capability. AAC was quantified by the Kauppila score system based on dual-energy X-ray absorptiometry. We performed stratified analysis and multiple equation regression analysis. R and EmpowerStats were used for data analysis. RESULTS A total of 2640 participants were included with the mean AAC score of 1.47 ± 0.07. Participants in higher MDS tended to have higher AAC scores (MDS scored 0: 0.75 (0.56, 0.93), MDS scored 1: 1.02 (0.84, 1.21), MDS scored 2: 2.34 (1.80, 2.87), MDS scored 3: 3.19 (2.46, 3.92), MDS ≥ 4: 4.99 (3.49, 6.49)). Compared with those in the lowest MDS scored 0, the highest subgroup (MDS ≥ 4) was associated with a higher AAC score (β = 4.24, 95% CI: 2.78-5.70, p < 0.001), and the association was not altered (β = 1.81, 95% CI: 0.54-3.09, p = 0.002) after adjusting for numerous covariates. Subgroup analyses showed that stronger associations between MDS and AAC score were detected in adults with lower levels of magnesium intake and older (all p for interaction < 0.05). CONCLUSIONS The MDS is a promising tool for identifying individuals with magnesium deficiency status who may benefit from dietary magnesium supplementation to reduce the risks of AAC.
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Affiliation(s)
- Jian Lu
- Department of Nephrology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Han Li
- Department of Nephrology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Shixiang Wang
- Department of Nephrology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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12
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Magnesium Supplementation Is Associated with a Lower Cardio-Metabolic Risk in Patients Submitted to Bariatric Surgery. Obes Surg 2022; 32:3056-3063. [PMID: 35864288 DOI: 10.1007/s11695-022-06207-5] [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: 05/26/2021] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 10/17/2022]
Abstract
PURPOSE Literature has demonstrated an inverse relation between magnesium (Mg) consumption and development of type 2 diabetes mellitus (T2DM), hypertension (HT), and dyslipidemia. After bariatric surgery (BS), micronutrients deficiencies are common, it being important to ensure appropriate supplementation. There is no recommendation about Mg supplementation and to our knowledge, its effect has not been studied to date. Our aim was to evaluate the effect of Mg supplementation in cardio-metabolic risk factors on post-bariatric patients. MATERIALS AND METHODS A retrospective observational study of patients with obesity who underwent BS was performed. Data was assessed preoperatively and yearly (4-year follow-up). RESULTS A total of 3363 patients were included. In the first year of follow-up, 79.8% (n = 2123) of the patients were supplemented with Mg, with evidence of slightly decreased percentages in the following years. Mg deficiency (serum Mg < 1.52 mEq/L) was more common among patients who were not supplemented during each year of follow-up (p < 0.05). Among those who underwent Mg supplementation, the percentage of T2DM, HT, or low-density lipoprotein cholesterol (LDL-C) > 130 mg/dL was significantly lower. In the first year post-surgery, the supplementation group had a lower risk of T2DM (OR = 0.545, p < 0.0001), LDL-C > 130 mg/dL (OR = 0.612, p < 0.0001), and HT (OR = 0.584, p < 0.0001). The OR for having these metabolic comorbidities persisted lower during the 4 years' follow-up. Patients who had Mg deficiency had higher prevalence of T2DM and HT. CONCLUSION Mg supplementation seems to have a protective effect on the development of T2DM, HT, and LDL-C > 130 mg/dL in post-bariatric patients.
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Zhang H, Cao Y, Man Q, Li Y, Jia S, Wang R, Lu J, Yang L. Magnesium Nutritional Status, Risk Factors, and the Associations with Glucose Parameters of Childbearing Women in the China Adult Chronic Disease and Nutrition Surveillance (2015). Nutrients 2022; 14:nu14040847. [PMID: 35215497 PMCID: PMC8879663 DOI: 10.3390/nu14040847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/07/2022] [Accepted: 02/15/2022] [Indexed: 02/05/2023] Open
Abstract
Magnesium is an essential element and participates in many metabolic pathways. Inadequate magnesium levels may lead to various health problems such as type 2 diabetes (T2DM), hypertension, and cancer. But the role of Mg in childbearing women of China is still a relatively narrow researched field. We aimed to assess the Mg nutritional status, explore the risk factors of Mg deficiency, and the associations between Mg and glucose parameters among childbearing women in a nationally representative sample. A total of 1895 18–44 years childbearing women were recruited from the China Adult Chronic Disease and Nutrition Surveillance (2015). Multivariate logistic regression was used to explore the risk factors for Mg deficiency and estimate the odds ratios (ORs) and 95% confidence intervals (95% CIs) for the risk of hyperglycemia. The mean value of Mg was 0.87 mmol/L and the prevalence of deficiency was 4.69%. The risk factors of Mg deficiency (Mg < 0.75 mmol/L) was city-type of rural (p = 0.045), while calcium (p = 0.001), LDL-C (p = 0.024), age group of 26–35 years (p = 0.016), 36–44 years (p = 0.006), and CNNM2 rs3740393 genotypes of GC (p = 0.027) were protective factors. It was also found that magnesium deficiency induces an increase in plasma glucose (p = 0.001). Compared with the reference range, Mg < 0.75 mmol/L would have a 6.53 fold risk for T2DM, a 5.31 fold risk for glucose-hyperglycemia, and a 9.60 fold risk for HbA1c-hyperglycemia. Consistently, there was a negative association between plasma Mg and blood glucose parameters in the dose–response study. More attention should be paid to the nutritional status of magnesium and the impact of magnesium deficiency on human health.
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14
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Association of Serum Magnesium with Blood Pressure in Patients with Hypertensive Crises: A Retrospective Cross-Sectional Study. Nutrients 2021; 13:nu13124213. [PMID: 34959763 PMCID: PMC8709166 DOI: 10.3390/nu13124213] [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: 10/19/2021] [Revised: 11/16/2021] [Accepted: 11/22/2021] [Indexed: 12/02/2022] Open
Abstract
The role of magnesium in blood pressure has been studied among hypertensive patients; however, there is a dearth of studies exploring the role of magnesium in hypertensive crises. The primary objective of this study was to evaluate the relationship between serum magnesium and blood pressure in patients with hypertensive crises. This was a single-center, retrospective, chart review, cross-sectional study of patients with hypertensive crises. Patients were included if they were eighteen years of age or older, with an international classification disease ninth revision (ICD-9) code of 401.9 (hypertensive crises: emergency or urgency) and a documented magnesium level on their electronic medical record. The primary outcome of the study was the correlation between serum magnesium and blood pressure (systolic blood pressure and diastolic blood pressure) in patients with hypertensive crises. Two hundred and ninety-three patients were included in the study. The primary outcome result showed that serum magnesium was positively correlated with systolic blood pressure (r = 0.143, p = 0.014), but not diastolic blood pressure. Conclusion: This study found a significant positive association between magnesium and systolic blood pressure, but not diastolic blood pressure, among patients with hypertensive crises. This positive association of serum magnesium with systolic blood pressure was maintained after adjusting for covariates. This study’s findings suggest a potential role of magnesium in blood pressure among patients with hypertensive crises.
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15
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Dos Santos LR, Melo SRDS, Severo JS, Morais JBS, da Silva LD, de Paiva Sousa M, de Sousa TGV, Henriques GS, do Nascimento Marreiro D. Cardiovascular Diseases in Obesity: What is the Role of Magnesium? Biol Trace Elem Res 2021; 199:4020-4027. [PMID: 33389619 DOI: 10.1007/s12011-020-02528-7] [Citation(s) in RCA: 3] [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: 08/28/2020] [Accepted: 11/30/2020] [Indexed: 01/04/2023]
Abstract
An excess of adipose tissue, a characteristic of obesity, has been associated with endocrine-metabolic alterations that contribute to dyslipidemias, which are characterized by an increase in the plasma concentrations of triacylglycerols, total cholesterol, and LDL-c along with a reduction in HDL-c. Some nutrients such as the mineral magnesium play important roles in lipid metabolism. Magnesium regulates the activity of HMG-CoA reductase, increasing the activity of lipoprotein lipase and lecithin-cholesterol acyltransferase. The objective of this review is to present important aspects about the contribution of obesity to the manifestation of cardiovascular risk, to bring the main physiological functions of magnesium, as well as the role of the nutrient in the protection against cardiovascular diseases. Studies have shown that individuals with obesity have low intracellular concentrations of magnesium, which can compromise the nutrient's physiological functions. Thus, this mineral appears to play an important role in protecting against cardiovascular diseases; however, changes in the nutrient metabolism in obesity may compromise the functions of this element. Further studies are needed to clarify this.
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Affiliation(s)
| | | | | | | | - Lyandra Dias da Silva
- Department of Nutrition, Health Sciences Center, Federal University of Piauí, Rua Hugo Napoleão, 665, Ed. Palazzo Reale, Apto 2001, Jockey, Teresina, PI, CEP 64048-320, Brazil
| | | | | | | | - Dilina do Nascimento Marreiro
- Department of Nutrition, Health Sciences Center, Federal University of Piauí, Rua Hugo Napoleão, 665, Ed. Palazzo Reale, Apto 2001, Jockey, Teresina, PI, CEP 64048-320, Brazil.
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Donato M, Faggin E, Cinetto F, Felice C, Lupo MG, Ferri N, Rattazzi M. The Emerging Role of Nutraceuticals in Cardiovascular Calcification: Evidence from Preclinical and Clinical Studies. Nutrients 2021; 13:nu13082603. [PMID: 34444763 PMCID: PMC8401694 DOI: 10.3390/nu13082603] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/22/2021] [Accepted: 07/27/2021] [Indexed: 02/03/2023] Open
Abstract
Cardiovascular calcification is the ectopic deposition of calcium-phosphate crystals within the arterial wall and the aortic valve leaflets. This pathological process leads to increased vascular stiffness, reduced arterial elasticity, and aortic valve stenosis, increasing the risk of cardiovascular diseases. Although cardiovascular calcification is an increasing health care burden, to date no medical therapies have been approved for treating or preventing it. Considering the current lack of therapeutic strategies and the increasing prevalence of cardiovascular calcification, the investigation of some nutraceuticals to prevent this pathological condition has become prevalent in recent years. Recent preclinical and clinical studies evaluated the potential anti-calcific role of nutraceuticals (including magnesium, zinc, iron, vitamin K, and phytate) in the progression of vascular calcification, providing evidence for their dietary supplementation, especially in high-risk populations. The present review summarizes the current knowledge and latest advances for nutraceuticals with the most relevant preclinical and clinical data, including magnesium, zinc, iron, vitamin K, and phytate. Their supplementation might be recommended as a cost-effective strategy to avoid nutritional deficiency and to prevent or treat cardiovascular calcification. However, the optimal dose of nutraceuticals has not been identified and large interventional trials are warranted to support their protective effects on cardiovascular disease.
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Affiliation(s)
- Maristella Donato
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35122 Padua, Italy; (M.D.); (M.G.L.); (N.F.)
| | - Elisabetta Faggin
- Department of Medicine—DIMED, University of Padova, 35122 Padua, Italy; (E.F.); (F.C.); (C.F.)
| | - Francesco Cinetto
- Department of Medicine—DIMED, University of Padova, 35122 Padua, Italy; (E.F.); (F.C.); (C.F.)
- Medicina Generale I^, Ca’ Foncello Hospital, 31100 Treviso, Italy
| | - Carla Felice
- Department of Medicine—DIMED, University of Padova, 35122 Padua, Italy; (E.F.); (F.C.); (C.F.)
- Medicina Generale I^, Ca’ Foncello Hospital, 31100 Treviso, Italy
| | - Maria Giovanna Lupo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35122 Padua, Italy; (M.D.); (M.G.L.); (N.F.)
| | - Nicola Ferri
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35122 Padua, Italy; (M.D.); (M.G.L.); (N.F.)
| | - Marcello Rattazzi
- Department of Medicine—DIMED, University of Padova, 35122 Padua, Italy; (E.F.); (F.C.); (C.F.)
- Medicina Generale I^, Ca’ Foncello Hospital, 31100 Treviso, Italy
- Correspondence: ; Tel.: +39-04-9821-1867 or +39-04-2232-2207
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17
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Wang KM, Li J, Bhalla V, Jardine MJ, Neal B, de Zeeuw D, Fulcher G, Perkovic V, Mahaffey KW, Chang TI. Canagliflozin, serum magnesium and cardiovascular outcomes-Analysis from the CANVAS Program. Endocrinol Diabetes Metab 2021; 4:e00247. [PMID: 34277971 PMCID: PMC8279612 DOI: 10.1002/edm2.247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 02/09/2021] [Accepted: 02/13/2021] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Patients with type 2 diabetes (T2D) are predisposed to derangements in serum Magnesium (Mg), which may have implications for cardiometabolic events and outcomes. In clinical trials, participants with T2D randomized to sodium-glucose co-transporter 2 (SGLT2) inhibitors have shown mild to moderate increases in serum Mg from baseline levels. This post hoc analysis assesses the relation between serum Mg with cardiovascular outcomes in 10,140 participants of the Canagliflozin Cardiovascular Assessment Study (CANVAS) Program. METHODS We evaluated the association of baseline serum Mg with the primary composite end point of death from cardiovascular causes, non-fatal myocardial infarction, and non-fatal stroke, and tested whether this association is modified by baseline serum Mg. Using mediation analysis, we determined whether change in serum Mg post-randomization mediates the beneficial effect of canagliflozin on cardiovascular outcomes. RESULTS Mean serum Mg levels at baseline were 0.77 ± 0.09 mmol/L in both canagliflozin group and placebo groups. The canagliflozin group experienced an average increase in serum Mg by 0.07 mmol/L (95% CI, 0.065-0.072 mmol/L; p < .001) for the duration of the trial. We found no association between baseline serum Mg levels and the primary composite end point, and no evidence of effect modification by baseline Mg levels. Change in serum Mg post-randomization was not a mediator of the effects of canagliflozin on cardiovascular outcomes. CONCLUSIONS In participants of the CANVAS Program, baseline and post-randomization serum Mg levels are not associated with cardiovascular outcomes.
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Affiliation(s)
- Katherine M. Wang
- Division of NephrologyStanford University School of MedicineStanfordCAUSA
| | - JingWei Li
- The George Institute for Global HealthUniversity of New South WalesSydneyNSWAustralia
- Department of CardiologyXinqiao HospitalArmy Military Medical UniversityChongqingChina
| | - Vivek Bhalla
- Division of NephrologyStanford University School of MedicineStanfordCAUSA
| | - Meg J. Jardine
- The George Institute for Global HealthUniversity of New South WalesSydneyNSWAustralia
- Department of Renal MedicineConcord Repatriation General HospitalSydneyNSWAustralia
- Kidney Health ResearchNHMRC Clinical Trials CentreUniversity of SydneySydneyNSWAustralia
| | - Bruce Neal
- The George Institute for Global HealthUniversity of New South WalesSydneyNSWAustralia
- Charles Perkins CentreUniversity of SydneySydneyNSWAustralia
- Epidemiology and BiostatisticsSchool of Public HealthImperial College LondonLondonUK
| | - Dick de Zeeuw
- Department of Clinical Pharmacy and PharmacologyUniversity Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Greg Fulcher
- Kolling InstituteRoyal North Shore Hospital and University of SydneySydneyNSWAustralia
| | - Vlado Perkovic
- The George Institute for Global HealthUniversity of New South WalesSydneyNSWAustralia
- Department of Renal MedicineRoyal North Shore HospitalSydneyNSWAustralia
| | - Kenneth W. Mahaffey
- Stanford Center for Clinical ResearchStanford University School of MedicineStanfordCAUSA
- Division of Cardiovascular MedicineStanford University School of MedicineStanford CAUSA
| | - Tara I. Chang
- Division of NephrologyStanford University School of MedicineStanfordCAUSA
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18
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Porri D, Biesalski HK, Limitone A, Bertuzzo L, Cena H. Effect of magnesium supplementation on women's health and well-being. NFS JOURNAL 2021. [DOI: 10.1016/j.nfs.2021.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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Onor IO, Johnston EK, Little NG, Hill LM, Lawal OE, Payne CJ, Coleman MR, Huynh CH, Bilbe SE, Ayyad AA, Jones KJ, Kinnard JD, Dastoori R, Rolland DK, Miller AS, Beyl RA, Gillard CJ, Okogbaa JI, Sarpong DF, Hadgu RM, Borghol A, Okpechi SC, Naljayan MV, Sanne SE, Guillory SG. Evaluation of serum magnesium differences in hypertensive crises and control patients: A randomly matched case-control study. J Clin Hypertens (Greenwich) 2021; 23:1229-1238. [PMID: 33963802 PMCID: PMC8169553 DOI: 10.1111/jch.14244] [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: 01/12/2021] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/04/2022]
Abstract
Although the role of magnesium in blood pressure has been well studied among hypertensive patients, no study has explored the role of magnesium in hypertensive crises. The primary objective of this study is to evaluate the differences in serum magnesium levels between hypertensive crises patients and matched controls (age‐, sex‐, race‐, and diabetes‐matched) in a 1:1 random match. This study is a single‐center, retrospective, chart review, case‐control study of patients with hypertensive crises (case group) and patients without hypertensive crises (control group). Patients were included in the case group if they were 18 years of age or older with hypertensive crises and have a documented magnesium level. The control group patients were required to be 18 years of age or older, have no diagnosis of hypertensive crises, and have a documented magnesium level. The primary outcome of the study was to compare the mean serum magnesium in patients with hypertensive crises versus patients without hypertensive crises. Three hundred and fifty‐eight patients were included in the study: 179 patients in both the case group and control group. The primary outcome results showed that serum magnesium concentration was not significantly different between the case group (1.89 ± 0.29 mg/dl) and control group (1.90 ± 0.31 mg/dl) (p = .787). This study found no significant difference in serum magnesium levels in patients with hypertensive crises compared to a random matched control group. Larger observational or experimental studies may be useful to evaluate the effect of magnesium on blood pressure in hypertensive crises.
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Affiliation(s)
- IfeanyiChukwu O Onor
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA.,Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA.,Department of Pharmacy, University Medical Center New Orleans, New Orleans, LA, USA
| | - Emily K Johnston
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Nicole G Little
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Lashira M Hill
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Oluwabunmi E Lawal
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Casey J Payne
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Mallory R Coleman
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Carolkim H Huynh
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Sarah E Bilbe
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Ahlam A Ayyad
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Kabrea J Jones
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Jasmine D Kinnard
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Rosanna Dastoori
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Devinn K Rolland
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Amanda S Miller
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Robbie A Beyl
- Pennington Biomedical Research Center, Baton Rouge, LA, USA
| | - Christopher J Gillard
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA.,Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA.,Department of Pharmacy, University Medical Center New Orleans, New Orleans, LA, USA
| | - John I Okogbaa
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA.,Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA
| | - Daniel F Sarpong
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA.,Center for Minority Health and Health Disparities Research and Education, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA
| | - Rim M Hadgu
- Midwestern University College of Pharmacy - Glendale, Glendale, AZ, USA
| | - Amne Borghol
- CardioRenal Research Group (CRRG), College of Pharmacy, Xavier University of Louisiana, New Orleans, LA, USA.,Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA.,Department of Pharmacy, University Medical Center New Orleans, New Orleans, LA, USA
| | - Samuel C Okpechi
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Mihran V Naljayan
- Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA
| | - Shane E Sanne
- Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA
| | - Shane G Guillory
- Department of Medicine, Louisiana State University Health Sciences Center School of Medicine, New Orleans, LA, USA
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Case DR, Zubieta J, Gonzalez R, Doyle RP. Synthesis and Chemical and Biological Evaluation of a Glycine Tripeptide Chelate of Magnesium. Molecules 2021; 26:2419. [PMID: 33919285 PMCID: PMC8122334 DOI: 10.3390/molecules26092419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/13/2021] [Accepted: 04/18/2021] [Indexed: 11/16/2022] Open
Abstract
Magnesium (Mg2+) plays a crucial role in over 80% of all metabolic functions. It is becoming increasingly apparent that magnesium deficiency (hypomagnesemia) may play an important role in chronic disease. To counteract magnesium deficiency, there is an unmet clinical need to develop new fully characterized, highly bioavailable, and substantially water-soluble magnesium supplements. To this end, triglycine (HG3), a tripeptide of the amino acid glycine, was chosen as a chelating ligand for magnesium, given its natural occurrence and water solubility, and entropically-driven metal binding. Herein, we discuss the synthesis, chemical and physical characterization, and cellular uptake of a magnesium triglycine chelate (MgG3), an octahedral complex with extraordinary water solubility and improved cellular uptake in CaCo-2 cells than select commonly used magnesium supplements.
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Affiliation(s)
- Derek R. Case
- Department of Chemistry, 111 College Place, Syracuse University, Syracuse, NY 13244, USA; (D.R.C.); (J.Z.)
| | - Jon Zubieta
- Department of Chemistry, 111 College Place, Syracuse University, Syracuse, NY 13244, USA; (D.R.C.); (J.Z.)
| | - Ren Gonzalez
- Balchem Corporation, 52 Sunrise Park Road, New Hampton, NY 10958, USA;
| | - Robert P. Doyle
- Department of Chemistry, 111 College Place, Syracuse University, Syracuse, NY 13244, USA; (D.R.C.); (J.Z.)
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21
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Mathew AA, Panonnummal R. 'Magnesium'-the master cation-as a drug-possibilities and evidences. Biometals 2021; 34:955-986. [PMID: 34213669 PMCID: PMC8249833 DOI: 10.1007/s10534-021-00328-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 06/19/2021] [Indexed: 02/06/2023]
Abstract
Magnesium (Mg2+) is the 2nd most abundant intracellular cation, which participates in various enzymatic reactions; there by regulating vital biological functions. Magnesium (Mg2+) can regulate several cations, including sodium, potassium, and calcium; it consequently maintains physiological functions like impulse conduction, blood pressure, heart rhythm, and muscle contraction. But, it doesn't get much attention in account with its functions, making it a "Forgotten cation". Like other cations, maintenance of the normal physiological level of Mg2+ is important. Its deficiency is associated with various diseases, which point out to the importance of Mg2+ as a drug. The roles of Mg2+ such as natural calcium antagonist, glutamate NMDA receptor blocker, vasodilator, antioxidant and anti-inflammatory agent are responsible for its therapeutic benefits. Various salts of Mg2+ are currently in clinical use, but their application is limited. This review collates all the possible mechanisms behind the behavior of magnesium as a drug at different disease conditions with clinical shreds of evidence.
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Affiliation(s)
- Aparna Ann Mathew
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita VishwaVidyapeetham, Kochi, 682041, India
| | - Rajitha Panonnummal
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita VishwaVidyapeetham, Kochi, 682041, India.
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22
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Arab D, Doustmohammadi H, Ardestani Zadeh A. Dietary supplements in the management of varicocele-induced infertility: A review of potential mechanisms. Andrologia 2020; 53:e13879. [PMID: 33108825 DOI: 10.1111/and.13879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/10/2020] [Accepted: 09/16/2020] [Indexed: 12/30/2022] Open
Abstract
Varicocele is a main cause of lower production of spermatozoon and infertility with multiple pathophysiological mechanisms. In the past decades, the use of dietary supplements has significantly increased due to both the modern lifestyle and the food shortages of the industrialised countries. The purpose of this review paper is to collect scientific evidences from basic and clinical studies which support the use of dietary supplements to define the clinical framework for patients with varicocele. In the present review, we used keywords such as dietary supplements, varicocele, male infertility, oxidative stress, DNA fragmentation, sperm parameters to find the proper articles. The standard search biomedical engines were used for seeking the papers. The use of dietary supplements such as minerals, vitamins and antioxidants has an essential role in the prevention and treatment of varicocele by increasing the levels of antioxidant enzymes (e.g. peroxidase, superoxide dismutase and catalase) and decreasing the levels of inflammatory markers (e.g. tumour necrosis factor-α, interleukin-6 and interleukin-1) in testis. According to the results, the dietary supplements may alleviate the spermatogenesis in varicocele patients through different mechanisms such as suppression of stress oxidative and inflammation in testicular tissue.
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Affiliation(s)
- Davood Arab
- Clinical Research Development Center, Kowsar Hospital, Semnan University of Medical Sciences, Semnan, Iran.,Department of Surgery, Kowsar Hospital, Semnan University of Medical Sciences, Semnan, Iran
| | - Hoda Doustmohammadi
- Department of Anatomy, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Arash Ardestani Zadeh
- Clinical Research Development Center, Kowsar Hospital, Semnan University of Medical Sciences, Semnan, Iran.,Department of Surgery, Kowsar Hospital, Semnan University of Medical Sciences, Semnan, Iran
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Ogawa C, Tsuchiya K, Maeda K. High serum magnesium levels are associated with favorable prognoses in diabetic hemodialysis patients, retrospective observational study. PLoS One 2020; 15:e0238763. [PMID: 32941454 PMCID: PMC7498072 DOI: 10.1371/journal.pone.0238763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 08/24/2020] [Indexed: 11/23/2022] Open
Abstract
Background Recent studies have found hypomagnesemia is linked to a heightened risk of cardiovascular events and mortality in hemodialysis (HD) patients; however, the level of serum magnesium (s-Mg) necessary for promoting overall health in these patients and the effects of s-Mg in diabetes HD patients remains to be clarified. Methods HD outpatients (n = 148 under, age ≤ 70 y) were followed over a 6-y period. They were divided into four groups according to their average s-Mg during the first year (L; low level, H; high level) and if they had DM or not (non-DM). The endpoint was mortality and hospitalization for decline of Activities of Daily Living (death/hospitalization). A receiver operating characteristics curve was used in diagnostic tests to identify s-Mg associated with this endpoint. Kaplan–Meier, log-rank test, and a Cox proportional hazards model were used to evaluate prognoses. Fisher's exact test and multiple regressions examined the causes of the endpoints between the four groups and the factors predictive of s-Mg. Results s-Mg at 2.7 mg/dL was associated with death/hospitalization. The 5-y survival rate was 38.1%, 86.7%, 73.2% and 87.5%, in the DM/Mg(L), DM/Mg(H), non-DM/Mg(L) and non-DM/Mg(H) groups, respectively (P < 0.001). The Cox proportional hazards model showed significantly lower risk in other groups compared with that in the DM/Mg(L) group [DM/Mg(H); hazard ratio (HR): 0.22, 95% confidence interval (CI): 0.05–0.97, P = 0.046, non-DM/Mg(L); HR: 0.32, 95% CI: 0.15–0.68, P = 0.003, non-DM/Mg(H); HR: 0.17, 95% CI: 0.06–0.44, P < 0.001]. The frequency of the different causes of the endpoints for each group was not significant; s-Mg only associated with age in the DM group. Conclusions s-Mg greater than 2.7 mg/dL associated with a favorable prognosis in HD patients with DM, suggesting that s-Mg is a factor independent of diabetes.
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Affiliation(s)
- Chie Ogawa
- Maeda Institute of Renal Research, Kawasaki, Kanagawa, Japan
- Biomarker Society, INC, Kawasaki, Kanagawa, Japan
- * E-mail:
| | - Ken Tsuchiya
- Biomarker Society, INC, Kawasaki, Kanagawa, Japan
- Department of Blood Purification, Tokyo Women’s Medical University, Tokyo, Japan
| | - Kunimi Maeda
- Maeda Institute of Renal Research, Kawasaki, Kanagawa, Japan
- Biomarker Society, INC, Kawasaki, Kanagawa, Japan
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24
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The Coordination Chemistry of Bio-Relevant Ligands and Their Magnesium Complexes. Molecules 2020; 25:molecules25143172. [PMID: 32664540 PMCID: PMC7397051 DOI: 10.3390/molecules25143172] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 12/15/2022] Open
Abstract
The coordination chemistry of magnesium (Mg2+) was extensively explored. More recently; magnesium; which plays a role in over 80% of metabolic functions and governs over 350 enzymatic processes; is becoming increasingly linked to chronic disease—predominantly due to magnesium deficiency (hypomagnesemia). Supplemental dietary magnesium utilizing biorelevant chelate ligands is a proven method for counteracting hypomagnesemia. However, the coordination chemistry of such bio-relevant magnesium complexes is yet to be extensively explored or elucidated. It is the aim of this review to comprehensively describe what is currently known about common bio-relevant magnesium complexes from the perspective of coordination chemistry.
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25
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Mancuso E, Perticone M, Spiga R, Averta C, Rubino M, Fiorentino TV, Miceli S, Mannino GC, Sciacqua A, Succurro E, Perticone F, Sesti G, Andreozzi F. Association between Serum Mg 2+ Concentrations and Cardiovascular Organ Damage in a Cohort of Adult Subjects. Nutrients 2020; 12:nu12051264. [PMID: 32365559 PMCID: PMC7282033 DOI: 10.3390/nu12051264] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/20/2020] [Accepted: 04/25/2020] [Indexed: 12/14/2022] Open
Abstract
Magnesium (Mg2+) levels are associated with insulin resistance, hypertension, atherosclerosis, and type 2 diabetes (T2DM). We evaluated the clinical utility of physiological Mg2+ in assessing subclinical cardiovascular organ damage including increased carotid artery intima- media thickness (c-IMT) and left ventricular mass index (LVMI) in a cohort of well-characterized adult non-diabetic individuals. Age- and gender-adjusted correlations between Mg2+ and metabolic parameters showed that Mg2+ circulating levels were correlated negatively with body mass index (BMI), fasting glucose, and 2h-oral glucose tolerance test (OGTT) glucose. Similarly, Mg2+ levels were significantly and negatively related to c-IMT and LVMI. A multivariate regression analysis revealed that age (β = 0.440; p < 0.0001), BMI (β = 0.225; p < 0.0001), and Mg2+ concentration (β = −0.122; p < 0.01) were independently associated with c-IMT. Age (β = 0.244; p = 0.012), Mg2+ (β = −0.177; p = 0.019), and diastolic blood pressure (β = 0.184; p = 0.038) were significantly associated with LVMI in women, while age (β = 0.211; p = 0.019), Mg2+ (β = −0.171; p = 0.038) and the homeostasis model assessment index of insulin resistance (HOMA-IR) (β = −0.211; p = 0.041) were the sole variables associated with LVMI in men. In conclusion, our data support the hypothesis that the assessment of Mg2+ as part of the initial work-up might help unravel the presence of subclinical organ damage in subjects at increased risk of cardiovascular complications.
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Affiliation(s)
- Elettra Mancuso
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Maria Perticone
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Rosangela Spiga
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Carolina Averta
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Mariangela Rubino
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Teresa Vanessa Fiorentino
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Sofia Miceli
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Gaia Chiara Mannino
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
- Correspondence: ; Tel.: +39-0961-369-4411
| | - Angela Sciacqua
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Elena Succurro
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Francesco Perticone
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
| | - Giorgio Sesti
- Department of Clinical and Molecular Medicine, University “Sapienza” of Rome, 00189 Rome, Italy;
| | - Francesco Andreozzi
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.M.); (M.P.); (R.S.); (C.A.); (M.R.); (T.V.F.); (S.M.); (A.S.); (E.S.); (F.P.); (F.A.)
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Bouras H, Roig SR, Kurstjens S, Tack CJJ, Kebieche M, de Baaij JHF, Hoenderop JGJ. Metformin regulates TRPM6, a potential explanation for magnesium imbalance in type 2 diabetes patients. Can J Physiol Pharmacol 2020; 98:400-411. [PMID: 32017603 DOI: 10.1139/cjpp-2019-0570] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Metformin therapy is associated with lower serum magnesium (Mg2+) levels in type 2 diabetes patients. The TRPM6 channel determines the fine-tuning of Mg2+ (re)absorption in intestine and kidney. Therefore, we aimed to investigate the short- and long-term effects of metformin on TRPM6. Patch clamp recordings and biotinylation assays were performed upon 1 h of incubation with metformin in TRPM6-transfected HEK293 cells. Additionally, 24 h of treatment of mDCT15 kidney and hCaco-2 colon cells with metformin was applied to measure the effects on endogenous TRPM6 expression by quantitative real-time PCR. To assess Mg2+ absorption, 25Mg2+ uptake measurements were performed using inductively coupled plasma mass spectrometry. Short-term effects of metformin significantly increased TRPM6 activity and its cell surface trafficking. In contrast, long-term effects significantly decreased TRPM6 mRNA expression and 25Mg2+ uptake. Metformin lowered TRPM6 mRNA levels independently of insulin- and AMPK-mediated pathways. Moreover, in type 2 diabetes patients, metformin therapy was associated with lower plasma Mg2+ concentrations and fractional excretion of Mg2+. Thereby, short-term metformin treatment increases TRPM6 activity explained by enhanced cell surface expression. Conversely, long-term metformin treatment results in downregulation of TRPM6 gene expression in intestine and kidney cells. This long-term effect translated in an inverse correlation between metformin and plasma Mg2+ concentration in type 2 diabetes patients.
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Affiliation(s)
- Hacene Bouras
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands.,Faculty of Nature and Life Sciences, University of Mohamed Seddik Ben Yahia, Jijel, Algeria
| | - Sara R Roig
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Steef Kurstjens
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Cees J J Tack
- Department of Internal Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Mohamed Kebieche
- Faculty of Nature and Life Sciences, University of Batna2, Algeria
| | - Jeroen H F de Baaij
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Joost G J Hoenderop
- Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
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Abstract
Fruits come in a wide variety of colors, shapes, and flavors. This chapter will cover selected fruits that are known to be healthy and highly nutritious. These fruits were chosen due to their common usage and availability. Since it is not possible to cover all health benefits or essential nutrients and important phytochemicals of the fruit composition, this chapter will focus on the key valuable constituents and their potential health effects.
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Affiliation(s)
- Sawsan G Mohammed
- Qatar Research Leadership Program (QRLP), Qatar Foundation, Doha, Qatar.
| | - M Walid Qoronfleh
- Research & Policy Department, World Innovation Summit for Health (WISH), Qatar Foundation, Doha, Qatar.
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28
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Khim KW, Choi SS, Jang HJ, Lee YH, Lee E, Hyun JM, Eom HJ, Yoon S, Choi JW, Park TE, Nam D, Choi JH. PPM1A Controls Diabetic Gene Programming through Directly Dephosphorylating PPARγ at Ser273. Cells 2020; 9:cells9020343. [PMID: 32024237 PMCID: PMC7072254 DOI: 10.3390/cells9020343] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 01/31/2020] [Indexed: 12/16/2022] Open
Abstract
Peroxisome proliferator-activated receptor γ (PPARγ) is a master regulator of adipose tissue biology. In obesity, phosphorylation of PPARγ at Ser273 (pSer273) by cyclin-dependent kinase 5 (CDK5)/extracellular signal-regulated kinase (ERK) orchestrates diabetic gene reprogramming via dysregulation of specific gene expression. Although many recent studies have focused on the development of non-classical agonist drugs that inhibit the phosphorylation of PPARγ at Ser273, the molecular mechanism of PPARγ dephosphorylation at Ser273 is not well characterized. Here, we report that protein phosphatase Mg2+/Mn2+-dependent 1A (PPM1A) is a novel PPARγ phosphatase that directly dephosphorylates Ser273 and restores diabetic gene expression which is dysregulated by pSer273. The expression of PPM1A significantly decreases in two models of insulin resistance: diet-induced obese (DIO) mice and db/db mice, in which it negatively correlates with pSer273. Transcriptomic analysis using microarray and genotype-tissue expression (GTEx) data in humans shows positive correlations between PPM1A and most of the genes that are dysregulated by pSer273. These findings suggest that PPM1A dephosphorylates PPARγ at Ser273 and represents a potential target for the treatment of obesity-linked metabolic disorders.
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Abstract
A wide variety of plant species provide edible seeds. Seeds are the dominant source of human calories and protein. The most important and popular seed food sources are cereals, followed by legumes and nuts. Their nutritional content of fiber, protein, and monounsaturated/polyunsaturated fats make them extremely nutritious. They are important additions to our daily food consumption. When consumed as part of a healthy diet, seeds can help reduce blood sugar, cholesterol, and blood pressure.
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Abstract
The challenge presented by sudden cardiac death in dialysis patients is to better define risk factors and delineate multiple etiologies. Only then can therapy be tailored to the highest risk patients and the incidence of sudden cardiac death be reduced. This article details the many possible etiologies and presents a brief overview of more recent research that may in the future prove of great benefit in improving the mortality of our patients with end-stage renal disease.
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31
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Bruton A, Fuller L. Course of Concomitant Bell's Palsy and Trigeminal Neuralgia Shortened with a Multi-Modal Intervention: A Case Report. Explore (NY) 2019; 15:425-428. [PMID: 31104906 DOI: 10.1016/j.explore.2019.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 04/20/2019] [Indexed: 10/27/2022]
Abstract
A 60-year-old man presented to the ER with lancinating right-sided facial pain following a URI. He was diagnosed with trigeminal neuralgia, yet returned several days later with right-sided facial paralysis. He was then also diagnosed with Bell's palsy and treated with corticosteroids and antiviral medication. He continued to experience facial pain and paralysis, and sought out integrative medical care including acupuncture, nutritional supplements, diet and lifestyle changes, and parenteral therapy with intravenous vitamins and minerals. Eight weeks later he reported near complete resolution of symptoms. Multi-modal interventions may shorten recovery time in some patients with trigeminal neuralgia or Bell's palsy. To the best of our knowledge, this is the first case report on concomitant trigeminal neuralgia and Bell's palsy. The CARE (CAse REport) guidelines were used in the writing of this case report.
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Affiliation(s)
- Alisha Bruton
- National University of Natural Medicine, Oregon Health & Science University, Portland, Oregon, United States.
| | - Leslie Fuller
- National University of Natural Medicine, University of Western States, Portland, Oregon, United States.
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Kostov K. Effects of Magnesium Deficiency on Mechanisms of Insulin Resistance in Type 2 Diabetes: Focusing on the Processes of Insulin Secretion and Signaling. Int J Mol Sci 2019; 20:ijms20061351. [PMID: 30889804 PMCID: PMC6470576 DOI: 10.3390/ijms20061351] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 03/09/2019] [Accepted: 03/14/2019] [Indexed: 02/06/2023] Open
Abstract
Magnesium (Mg2+) is an essential mineral for human health and plays an important role in the regulation of glucose homeostasis and insulin actions. Despite the widespread clinical evidences for the association of Mg2+ deficiency (MgD) and type 2 diabetes mellitus (T2D), molecular mechanisms by which Mg2+ contributes to insulin resistance (IR) are still under discussion. Mg2+ regulates electrical activity and insulin secretion in pancreatic beta-cells. Intracellular Mg2+ concentrations are critical for the phosphorylation of the insulin receptor and other downstream signal kinases of the target cells. Low Mg2+ levels result in a defective tyrosine kinase activity, post-receptor impairment in insulin action, altered cellular glucose transport, and decreased cellular glucose utilization, which promotes peripheral IR in T2D. MgD triggers chronic systemic inflammation that also potentiates IR. People with T2D may end up in a vicious circle in which MgD increases IR and IR causes MgD, that requires periodic monitoring of serum Mg2+ levels.
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Affiliation(s)
- Krasimir Kostov
- Department of Pathophysiology, Medical University-Pleven, 1 Kliment Ohridski Str., 5800 Pleven, Bulgaria.
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Mikalsen SM, Bjørke-Monsen AL, Whist JE, Aaseth J. Improved Magnesium Levels in Morbidly Obese Diabetic and Non-diabetic Patients After Modest Weight Loss. Biol Trace Elem Res 2019; 188:45-51. [PMID: 29705834 DOI: 10.1007/s12011-018-1349-3] [Citation(s) in RCA: 5] [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: 03/15/2018] [Accepted: 04/12/2018] [Indexed: 12/13/2022]
Abstract
Serum magnesium (Mg) is reported to be reduced in individuals with obesity, hypertension, and diabetes mellitus and has been suggested as a marker for metabolic syndrome. We have studied changes in serum Mg concentrations in a group of obese patients (n = 92) with and without diabetes mellitus after weight loss induced by dieting and bariatric surgery. At inclusion, 11% (10/92) of the population had severe Mg deficiency (< 0.75 mmol/L) and median serum Mg was lower in diabetic (n = 20) compared to non-diabetic (n = 72) patients (p = 0.002). A weight loss of 10 kg after 8 weeks of lifestyle interventions was accompanied by increased serum Mg of about 5% in both diabetic and non-diabetic patients. Serum Mg remained stable thereafter in the non-diabetic patients, while it continued to increase in the diabetic patients after bariatric surgery. Six months after bariatric surgery, there was no significant difference in serum Mg concentration between the groups (p = 0.08). The optimal range of circulating Mg concentration is not known, but as even small increments in serum Mg are reported to lower the risk of cardiovascular and ischemic heart disease, our results are interesting in a public health perspective.
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Affiliation(s)
| | - Anne-Lise Bjørke-Monsen
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, 5021, Bergen, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Jon Elling Whist
- Laboratory of Medical Biochemistry, Innlandet Hospital Trust, Lillehammer, Norway
- Department of Research, Innlandet Hospital Trust, Brumunddal, Norway
| | - Jan Aaseth
- Department of Research, Innlandet Hospital Trust, Brumunddal, Norway
- Inland Norway University of Applied Sciences, Elverum, Norway
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Impact of Pyloric Injection of Magnesium Sulfate-Lidocaine Mixture on Postoperative Nausea and Vomiting After Laparoscopic Sleeve Gastrectomy: a Randomized-Controlled Trial. Obes Surg 2019; 29:1614-1623. [DOI: 10.1007/s11695-019-03762-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Parsi E, Bitterlich N, Winkelmann A, Rösler D, Metzner C. Dietary intervention with a specific micronutrient combination for the treatment of patients with cardiac arrhythmias: the impact on insulin resistance and left ventricular function. BMC Cardiovasc Disord 2018; 18:220. [PMID: 30509185 PMCID: PMC6276261 DOI: 10.1186/s12872-018-0954-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 11/14/2018] [Indexed: 12/28/2022] Open
Abstract
Background Cardiac arrhythmias (CA) are very common and may occur with or without heart disease. Causes of these disturbances can be components of the metabolic syndrome (MetS) or deficits of micronutrients especially magnesium, potassium, B vitamins and coenzyme Q10. Both causes may also influence each other. Insulin resistance (IR) is a risk factor for diastolic dysfunction. One exploratory outcome of the present pilot study was to assess the impact of a dietary intervention with specific micronutrients on the lowering of IR levels in patients with CA with the goal to improve the left ventricular (LV) function. Methods This was a post hoc analysis of the randomized double blind, placebo-controlled pilot study in patients with CA (VPBs, SVPBs, SV tachycardia), which were recruited using data from patients who were 18–75 years of age in an Outpatient Practice of Cardiology. These arrhythmias were assessed by Holter ECG and LV function by standard echocardiography. Glucose metabolism was measured by fasting glucose, fasting insulin level and the Homeostasis Model Assessment of IR (HOMA-IR) at baseline and after 6 weeks of dietary supplementation. Results A total of 54 randomized patients with CA received either a specific micronutrient combination or placebo. Dietary intervention led to a significant decrease in fasting insulin ≥58 pmol/l (p = 0.020), and HOMA-IR (p = 0.053) in the verum group after 6 weeks. At the same time, parameters of LV diastolic function were improved after intervention in the verum group: significant reduction of LV mass index (p = 0.003), and in tendency both a decrease of interventricular septal thickness (p = 0.053) as well as an increase of E/A ratio (p = 0.051). On the other hand, the premature beats (PBs) were unchanged under verum. Conclusions In this pilot study, dietary intervention with specific micronutrient combination as add-on to concomitant cardiovascular drug treatment seems to improve cardio metabolic health in patients with CA. Further studies are required. Study registration The study was approved by the Freiburg Ethics Commission International and was retrospectively registered with the U.S. National Institutes of Health Clinical Trials gov ID NCT 02652338 on 16 December 2015.
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Affiliation(s)
- Elke Parsi
- Outpatient Practice of Cardiology, Suermondtstr. 13, D-13053, Berlin, Germany.
| | - Norman Bitterlich
- Medicine and Service Ltd, Department of Biostatistics, Boettcherstr. 10, D-09117, Chemnitz, Germany
| | - Anne Winkelmann
- Outpatient Practice of Cardiology, Suermondtstr. 13, D-13053, Berlin, Germany
| | - Daniela Rösler
- Bonn Education Association for Dietetics r. A, Fuerst-Pueckler-Str. 44, D-50935, Cologne, Germany
| | - Christine Metzner
- Bonn Education Association for Dietetics r. A, Fuerst-Pueckler-Str. 44, D-50935, Cologne, Germany.,Department of Internal Medicine III, Uniklinik RWTH Aachen, Pauwelsstraße 44, D-52074, Aachen, Germany
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36
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Postmortem Vitreous Sodium and Chloride Elevate After 1 Hour and Magnesium After 2 Hours in Bovine Eyeballs Immersed in Salt Water. ACTA ACUST UNITED AC 2018; 39:242-246. [DOI: 10.1097/paf.0000000000000397] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Workinger JL, Doyle RP, Bortz J. Challenges in the Diagnosis of Magnesium Status. Nutrients 2018; 10:E1202. [PMID: 30200431 PMCID: PMC6163803 DOI: 10.3390/nu10091202] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 12/31/2022] Open
Abstract
Magnesium is a critical mineral in the human body and is involved in ~80% of known metabolic functions. It is currently estimated that 60% of adults do not achieve the average dietary intake (ADI) and 45% of Americans are magnesium deficient, a condition associated with disease states like hypertension, diabetes, and neurological disorders, to name a few. Magnesium deficiency can be attributed to common dietary practices, medications, and farming techniques, along with estimates that the mineral content of vegetables has declined by as much as 80⁻90% in the last 100 years. However, despite this mineral's importance, it is poorly understood from several standpoints, not the least of which is its unique mechanism of absorption and sensitive compartmental handling in the body, making the determination of magnesium status difficult. The reliance on several popular sample assays has contributed to a great deal of confusion in the literature. This review will discuss causes of magnesium deficiency, absorption, handling, and compartmentalization in the body, highlighting the challenges this creates in determining magnesium status in both clinical and research settings.
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Affiliation(s)
- Jayme L Workinger
- Human Nutrition and Pharma, Balchem Corporation, 52 Sunrise Park Road, New Hampton, NY 10958, USA.
| | - Robert P Doyle
- Department of Chemistry, Center for Science and Technology, Syracuse University, 111 College Place, Syracuse, NY 13244, USA.
| | - Jonathan Bortz
- Human Nutrition and Pharma, Balchem Corporation, 52 Sunrise Park Road, New Hampton, NY 10958, USA.
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Sukumar D, Becker KB, Cheung M, Diamond S, Duszak R, Aljahdali A, Volpe SL, Nasser JA. Can bone-regulating hormones and nutrients help characterize the metabolically healthy obese phenotype. Nutr Health 2018; 24:153-162. [PMID: 29950143 DOI: 10.1177/0260106018777336] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND: Bone-regulating hormones and nutrients play an important role in influencing metabolic health. AIM: The aim of this study was to determine whether bone-regulating hormones and nutrients, such as parathyroid hormone (PTH), 25-hydroxyvitamin D (25OHD), and magnesium (Mg) could be used to characterize the metabolically healthy obese (MHO) phenotype. METHODS: This study included 27 overweight or obese participants (14 men/13 women) classified as MHO ( n = 14) or metabolically unhealthy obese (MUO) ( n = 13) based on the presence or absence of metabolic abnormalities, determined by percentage body fat, percentage trunk fat, and waist circumference. Biochemical (serum concentrations of hormones and cytokines such as PTH, 25OHD, ionized Mg (iMg), cytokines, lipids, glycemic indices), physiological (percentage body fat, percentage trunk fat, blood pressure (BP)), and dietary intake (Mg intake, calcium intake) measurements were obtained. RESULTS: Serum PTH concentrations were significantly lower ( p = 0.005) in the MHO group (39.68 ± 11.06 pg/mL) compared with the MUO group (63.78 ± 25.82 pg/mL). Serum iMg concentrations were higher ( p = 0.052) in the MHO group (0.565 ± 0.41 mmol/L) than in the MUO group (0.528 ± 0.050 mmol/L). Serum concentrations of osteocalcin were also higher (10.37 ± 3.70 ng/mL) in the MHO compared with the MUO (6.51 ± 4.14 ng/mL) group ( p = 0.017). The MHO group had significantly lower serum insulin concentrations ( p = 0.006) and diastolic BP ( p = 0.035). Concentrations of serum 25OHD, total triglycerides, C-reactive protein and systolic BP did not differ between groups. CONCLUSIONS: These findings suggest that bone-regulating hormones and nutrients, especially serum PTH, osteocalcin concentrations, and dietary Mg intakes, can help to characterize the MHO phenotype.
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Affiliation(s)
- Deeptha Sukumar
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Kendra B Becker
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - May Cheung
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Samantha Diamond
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Rittane Duszak
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Abeer Aljahdali
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Stella L Volpe
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
| | - Jennifer A Nasser
- 1 Department of Nutrition Sciences, College of Nursing and Health Professions, Drexel University, Philadelphia, USA
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Kostov K, Halacheva L. Role of Magnesium Deficiency in Promoting Atherosclerosis, Endothelial Dysfunction, and Arterial Stiffening as Risk Factors for Hypertension. Int J Mol Sci 2018; 19:E1724. [PMID: 29891771 PMCID: PMC6032400 DOI: 10.3390/ijms19061724] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 06/05/2018] [Accepted: 06/08/2018] [Indexed: 02/07/2023] Open
Abstract
Arterial hypertension is a disease with a complex pathogenesis. Despite considerable knowledge about this socially significant disease, the role of magnesium deficiency (MgD) as a risk factor is not fully understood. Magnesium is a natural calcium antagonist. It potentiates the production of local vasodilator mediators (prostacyclin and nitric oxide) and alters vascular responses to a variety of vasoactive substances (endothelin-1, angiotensin II, and catecholamines). MgD stimulates the production of aldosterone and potentiates vascular inflammatory response, while expression/activity of various antioxidant enzymes (glutathione peroxidase, superoxide dismutase, and catalase) and the levels of important antioxidants (vitamin C, vitamin E, and selenium) are decreased. Magnesium balances the effects of catecholamines in acute and chronic stress. MgD may be associated with the development of insulin resistance, hyperglycemia, and changes in lipid metabolism, which enhance atherosclerotic changes and arterial stiffness. Magnesium regulates collagen and elastin turnover in the vascular wall and matrix metalloproteinase activity. Magnesium helps to protect the elastic fibers from calcium deposition and maintains the elasticity of the vessels. Considering the numerous positive effects on a number of mechanisms related to arterial hypertension, consuming a healthy diet that provides the recommended amount of magnesium can be an appropriate strategy for helping control blood pressure.
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Affiliation(s)
- Krasimir Kostov
- Department of Pathophysiology, Medical University-Pleven, 1 Kliment Ohridski Str., 5800 Pleven, Bulgaria.
| | - Lyudmila Halacheva
- Department of Physiology, Medical University-Pleven, 1 Kliment Ohridski Str., 5800 Pleven, Bulgaria.
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Serum Magnesium after Kidney Transplantation: A Systematic Review. Nutrients 2018; 10:nu10060729. [PMID: 29882768 PMCID: PMC6024843 DOI: 10.3390/nu10060729] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/28/2018] [Accepted: 05/31/2018] [Indexed: 12/15/2022] Open
Abstract
Magnesium (Mg) status has recently drawn close attention in chronic kidney disease and in kidney transplant recipients. This review aims to evaluate the body of evidence linking hypomagnesemia to clinical consequences in these specific populations. After a brief summary of the main mechanisms involved in Mg regulation and of Mg status in end-stage renal disease, the review focuses on the relationship between hypomagnesemia and cardiovascular risk in kidney transplant recipients. A body of evidence in recent studies points to a negative impact of hypomagnesemia on post-transplant diabetes mellitus (PTDM) and cardiovascular risk, which currently represent the main threat for morbidity and mortality in kidney transplantation. Deleterious biological mechanisms induced by hypomagnesemia are also discussed. While data analysis enables us to conclude that hypomagnesemia is linked to the development of PTDM, studies prospectively evaluating the impact of hypomagnesemia correction after kidney transplantation are still lacking and needed.
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Tarleton EK. Factors influencing magnesium consumption among adults in the United States. Nutr Rev 2018; 76:526-538. [DOI: 10.1093/nutrit/nuy002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Emily K Tarleton
- Center for Clinical and Translational Science, University of Vermont, Burlington, Vermont, USA
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Maguire D, Talwar D, Shiels PG, McMillan D. The role of thiamine dependent enzymes in obesity and obesity related chronic disease states: A systematic review. Clin Nutr ESPEN 2018; 25:8-17. [DOI: 10.1016/j.clnesp.2018.02.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/19/2018] [Accepted: 02/27/2018] [Indexed: 02/06/2023]
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van den Broek DHN, Chang YM, Elliott J, Jepson RE. Prognostic importance of plasma total magnesium in a cohort of cats with azotemic chronic kidney disease. J Vet Intern Med 2018; 32:1359-1371. [PMID: 29704284 PMCID: PMC6060321 DOI: 10.1111/jvim.15141] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 01/10/2018] [Accepted: 03/28/2018] [Indexed: 12/28/2022] Open
Abstract
Background Hypomagnesemia is associated with increased mortality and renal function decline in humans with chronic kidney disease (CKD). Magnesium is furthermore inversely associated with fibroblast growth factor 23 (FGF23), an important prognostic factor in CKD in cats. However, the prognostic significance of plasma magnesium in cats with CKD is unknown. Objectives To explore associations of plasma total magnesium concentration (tMg) with plasma FGF23 concentration, all‐cause mortality, and disease progression in cats with azotemic CKD. Animals Records of 174 client‐owned cats with IRIS stage 2‐4 CKD. Methods Cohort study. Cats with azotemic CKD were identified from the records of two London‐based first opinion practices (1999–2013). Possible associations of baseline plasma tMg with FGF23 concentration and risks of death and progression were explored using, respectively, linear, Cox, and logistic regression. Results Plasma tMg (reference interval, 1.73–2.57 mg/dL) was inversely associated with plasma FGF23 when controlling for plasma creatinine and phosphate concentrations (partial correlation coefficient, −0.50; P < .001). Hypomagnesemia was observed in 12% (20/174) of cats, and independently associated with increased risk of death (adjusted hazard ratio, 2.74; 95% confidence interval [CI], 1.35–5.55; P = .005). The unadjusted associations of hypermagnesemia (prevalence, 6%; 11/174 cats) with survival (hazard ratio, 2.88; 95% CI, 1.54–5.38; P = .001), and hypomagnesemia with progressive CKD (odds ratio, 17.7; 95% CI, 2.04–154; P = .009) lost significance in multivariable analysis. Conclusions and Clinical Importance Hypomagnesemia was associated with higher plasma FGF23 concentrations and increased risk of death. Measurement of plasma tMg augments prognostic information in cats with CKD, but whether these observations are associations or causations warrants further investigation.
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Affiliation(s)
- D Hendrik N van den Broek
- Department of Clinical Science and Services, Royal Veterinary College, University of London, London, United Kingdom
| | - Yu-Mei Chang
- Research Support Office, Royal Veterinary College, University of London, London, United Kingdom
| | - Jonathan Elliott
- Department of Comparative Biomedical Sciences, Royal Veterinary College, University of London, London, United Kingdom
| | - Rosanne E Jepson
- Department of Clinical Science and Services, Royal Veterinary College, University of London, London, United Kingdom
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Mohammadifard N, Gotay C, Humphries KH, Ignaszewski A, Esmaillzadeh A, Sarrafzadegan N. Electrolyte minerals intake and cardiovascular health. Crit Rev Food Sci Nutr 2018. [DOI: 10.1080/10408398.2018.1453474] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Noushin Mohammadifard
- Hypertension Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
- Interventional Cardiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Carolyn Gotay
- Centre of Excellence in Cancer Prevention, Faculty of Medicine, School of Population and Public Health, The University of British Columbia, Vancouver, Canada
| | - Karin H. Humphries
- Division of Cardiology, The University of British Columbia, Vancouver, Canada
| | - Andrew Ignaszewski
- Division of Cardiology, The University of British Columbia, Vancouver, Canada
| | - Ahmad Esmaillzadeh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Nizal Sarrafzadegan
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
- School of Population and Public Health, Faculty of Medicine, The University of British Columbia, Canada
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Toprak O, Kurt H, Sarı Y, Şarkış C, Us H, Kırık A. Magnesium Replacement Improves the Metabolic Profile in Obese and Pre-Diabetic Patients with Mild-to-Moderate Chronic Kidney Disease: A 3-Month, Randomised, Double-Blind, Placebo-Controlled Study. Kidney Blood Press Res 2018; 42:33-42. [PMID: 28297698 DOI: 10.1159/000468530] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 01/17/2017] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND/AIMS Magnesium is an essential mineral for many metabolic functions. There is very little information on the effect of magnesium supplementation on metabolic profiles of chronic kidney disease (CKD) patients. The aim of this study was to assess the influence of magnesium supplementation on metabolic profiles of pre-diabetic, obese and mild-to-moderate CKD patients with hypomagnesemia. METHODS A total of 128 hypomagnesemic, pre-diabetic and obese patients with an estimated glomerular filtration rate between 90 and 30 ml/min/1.73m2 were enrolled in a randomised, double-blind, placebo-controlled trial. Patients in the magnesium group received 365 mg of oral magnesium (n = 57) once daily for 3 months, while patients in the control group received a placebo (n = 61), also once daily for 3 months. Hypomagnesemia is defined by a serum magnesium level <1.8 mg/dl in males and <1.9 mg/dl in females; obesity is defined as a body mass index ≥30 kg/m2; and pre-diabetes is defined as fasting plasma glucose ≥100 but <126 mg/dl. The primary end point of the study was the change in insulin resistance measured by the homeostastic model assessment for insulin resistance (HOMA-IR). RESULTS At the end of follow-up, insulin resistance (-24.5 vs. -8.2%, P = 0.007), HOMA-IR index (-31.9 vs. -3.3%, P < 0.001), hemoglobin A1c (-6.6 vs. -0.16%, P < 0.001), insulin (-29.6 vs. -2.66%, P < 0.001), waist circumference (-4.8 vs. 0.55%, P < 0.001) and uric acid (-0.8 vs. 2.2%, P = 0.004) were significantly decreased in terms of mean changes; albumin (0.91 vs. -2.91%, P = 0.007) and magnesium (0.21 ± 0.18 vs. -0.04 ± 0.05 mg/dl, P < 0.001) were significantly increased in those taking magnesium compared with a placebo. The decrease in metabolic syndrome (-10.5 vs. -4.9%, P = 0.183), obesity (-15.7 vs. -8.2%, P = 0.131), pre-diabetes (-17.5 vs. -9.8%, P = 0.140), and systolic (-5.0 ± 14.8 vs. 0.22 ± 14.9 mm Hg, P = 0.053) and diastolic (-3.07 ± 9.7 vs. 0.07 ± 9.6 mm Hg, P = 0.071) blood pressure did not achieve to a significant level after study. CONCLUSION Our data support the argument that magnesium supplementation improves the metabolic status in hypomagnesemic CKD patients with pre-diabetes and obesity.
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Affiliation(s)
- Omer Toprak
- Department of Medicine, Division of Nephrology, Balikesir, Turkey
| | - Huseyin Kurt
- Department of Medicine, Division of Internal Medicine, Balikesir, Turkey
| | - Yasin Sarı
- Department of Medicine, Division of Internal Medicine, Balikesir, Turkey
| | - Cihat Şarkış
- Department of Medicine, Division of Gastroenterology, Balikesir University School of Medicine, Balikesir, Turkey
| | - Halil Us
- Department of Medicine, Division of Internal Medicine, Balikesir, Turkey
| | - Ali Kırık
- Department of Medicine, Division of Internal Medicine, Balikesir, Turkey
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Post mortem vitreous magnesium in adult population. Forensic Sci Int 2018; 284:46-52. [DOI: 10.1016/j.forsciint.2017.12.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/10/2017] [Accepted: 12/22/2017] [Indexed: 11/24/2022]
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Muñoz-Castañeda JR, Pendón-Ruiz de Mier MV, Rodríguez M, Rodríguez-Ortiz ME. Magnesium Replacement to Protect Cardiovascular and Kidney Damage? Lack of Prospective Clinical Trials. Int J Mol Sci 2018; 19:E664. [PMID: 29495444 PMCID: PMC5877525 DOI: 10.3390/ijms19030664] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/12/2018] [Accepted: 02/21/2018] [Indexed: 12/13/2022] Open
Abstract
Patients with advanced chronic kidney disease exhibit an increase in cardiovascular mortality. Recent works have shown that low levels of magnesium are associated with increased cardiovascular and all-cause mortality in hemodialysis patients. Epidemiological studies suggest an influence of low levels of magnesium on the occurrence of cardiovascular disease, which is also observed in the normal population. Magnesium is involved in critical cellular events such as apoptosis and oxidative stress. It also participates in a number of enzymatic reactions. In animal models of uremia, dietary supplementation of magnesium reduces vascular calcifications and mortality; in vitro, an increase of magnesium concentration decreases osteogenic transdifferentiation of vascular smooth muscle cells. Therefore, it may be appropriate to evaluate whether magnesium replacement should be administered in an attempt to reduce vascular damage and mortality in the uremic population In the present manuscript, we will review the magnesium homeostasis, the involvement of magnesium in enzymatic reactions, apoptosis and oxidative stress and the clinical association between magnesium and cardiovascular disease in the general population and in the context of chronic kidney disease. We will also analyze the role of magnesium on kidney function. Finally, the experimental evidence of the beneficial effects of magnesium replacement in chronic kidney disease will be thoroughly described.
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Affiliation(s)
- Juan R Muñoz-Castañeda
- Nephrology Service, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), University Hospital Reina Sofía, University of Córdoba, 14004 Córdoba, Spain.
- Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, 28029 Madrid, Spain.
| | - María V Pendón-Ruiz de Mier
- Nephrology Service, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), University Hospital Reina Sofía, University of Córdoba, 14004 Córdoba, Spain.
- Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, 28029 Madrid, Spain.
| | - Mariano Rodríguez
- Nephrology Service, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), University Hospital Reina Sofía, University of Córdoba, 14004 Córdoba, Spain.
- Red de Investigación Renal (REDinREN), Instituto de Salud Carlos III, 28029 Madrid, Spain.
| | - María E Rodríguez-Ortiz
- Nephrology Service, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), University Hospital Reina Sofía, University of Córdoba, 14004 Córdoba, Spain.
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Rosique-Esteban N, Guasch-Ferré M, Hernández-Alonso P, Salas-Salvadó J. Dietary Magnesium and Cardiovascular Disease: A Review with Emphasis in Epidemiological Studies. Nutrients 2018; 10:nu10020168. [PMID: 29389872 PMCID: PMC5852744 DOI: 10.3390/nu10020168] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 01/24/2018] [Accepted: 01/24/2018] [Indexed: 12/15/2022] Open
Abstract
Magnesium (Mg) is an essential dietary element for humans involved in key biological processes. A growing body of evidence from epidemiological studies, randomized controlled trials (RCTs) and meta-analyses have indicated inverse associations between Mg intake and cardiovascular diseases (CVD). The present review aims to summarize recent scientific evidence on the topic, with a focus on data from epidemiological studies assessing the associations between Mg intake and major cardiovascular (CV) risk factors and CVD. We also aimed to review current literature on circulating Mg and CVD, as well as potential biological processes underlying these observations. We concluded that high Mg intake is associated with lower risk of major CV risk factors (mainly metabolic syndrome, diabetes and hypertension), stroke and total CVD. Higher levels of circulating Mg are associated with lower risk of CVD, mainly ischemic heart disease and coronary heart disease. Further, RCTs and prospective studies would help to clarify whether Mg intake and Mg circulating levels may also protect against other CVDs and CVD death.
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Affiliation(s)
- Nuria Rosique-Esteban
- Human Nutrition Unit, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, Pere Virgili Institute for Health Research, Rovira i Virgili University, St/Sant Llorenç 21, 43201 Reus, Spain.
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
| | - Marta Guasch-Ferré
- Human Nutrition Unit, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, Pere Virgili Institute for Health Research, Rovira i Virgili University, St/Sant Llorenç 21, 43201 Reus, Spain.
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA.
| | - Pablo Hernández-Alonso
- Human Nutrition Unit, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, Pere Virgili Institute for Health Research, Rovira i Virgili University, St/Sant Llorenç 21, 43201 Reus, Spain.
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
| | - Jordi Salas-Salvadó
- Human Nutrition Unit, Department of Biochemistry and Biotechnology, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, Pere Virgili Institute for Health Research, Rovira i Virgili University, St/Sant Llorenç 21, 43201 Reus, Spain.
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
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Pokharel DR, Khadka D, Sigdel M, Yadav NK, Kafle R, Sapkota RM, Jha SK. Association of serum magnesium level with poor glycemic control and renal functions in Nepalese patients with type 2 diabetes mellitus. Diabetes Metab Syndr 2017; 11 Suppl 1:S417-S423. [PMID: 28438429 DOI: 10.1016/j.dsx.2017.03.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/31/2017] [Indexed: 01/31/2023]
Abstract
BACKGROUND Hypomagnesaemia has been shown to be associated with type 2 diabetes mellitus (T2DM) and its complications. The present study investigated the association of hypomagnesaemia with T2DM and its complications in patients hailed mostly from the western hilly region of Nepal. METHODS This study was conducted among 150 type 2 diabetic patients and 150 of non-diabetic controls between May to September 2016. Relevant demographic, anthropometric, physiological and biochemical variables were measured using standard protocols. Statistical analyses were performed by SPSS version 17.0. RESULTS Hypomagnesaemia (1.7±0.2mg/dl) was present in 50% of diabetic patients and none in the healthy controls (2.0±0.2mg/dl). It was inversely correlated with levels of glycated hemoglobin (HbA1c) (r=-0.299), total cholesterol (r=-0.219), low density lipoprotein-cholesterol (r=-0.168) and creatinine (r=-0.215) and directly correlated with serum creatinine based glomerular filtration rate (eGFRcr) (r=0.196). Subjects with hypomagnesaemia were significantly older (57.4±11.5years) and had higher levels of HbA1c (8.4±1.2%) and serum total cholesterol (248.3±72.0mg/dl). The methods of diabetes control did not have a significant influence on serum magnesium level. Patient's age (OR: 1.05 (95% CI-1.01-1.09)), poor glycemic control (OR: 6.78 (95% CI-2.56-17.95)) and low eGFRcr (OR: 4.89 (95% CI-1.78-13.40)) were the significant predictors of hypomagnesaemia. CONCLUSION Half of type 2 diabetic population under study had hypomagnesaemia without regard to the method of diabetes control. Old age, poor glycemic control, and low eGFRcr were the significant predictors of low serum magnesium in these patients. Besides their regular anti-diabetic treatment, clinicians should also consider dietary supplementation of magnesium to prevent further complications of diabetes in these patients.
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Affiliation(s)
- Daya Ram Pokharel
- Department of Biochemistry, Manipal College of Medical Sciences, Deep Height, Pokhara-16, Kaski, Nepal.
| | - Dipendra Khadka
- Department of Medicine, Centre for Metabolic Function Regulation (CMFR), School of Medicine, Wonkwang University [54538] 460 Iksandae-ro, Iksan, Jeonbuk, Republic of Korea.
| | - Manoj Sigdel
- Department of Biochemistry, Manipal College of Medical Sciences, Deep Height, Pokhara-16, Kaski, Nepal.
| | - Naval Kishor Yadav
- Department of Biochemistry, Manipal College of Medical Sciences, Deep Height, Pokhara-16, Kaski, Nepal.
| | - Ramchandra Kafle
- Department of Internal Medicine, Manipal College of Medical Sciences and Teaching Hospital, Phoolbari, Pokhara, Nepal.
| | | | - Sanjay Kumar Jha
- Department of Biochemistry, Manipal College of Medical Sciences, Deep Height, Pokhara-16, Kaski, Nepal.
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