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Magnesium deficiency

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https://www.readbyqxmd.com/read/28328529/evaluation-of-vitamin-d-prophylaxis-in-3-36-month-old-infants-and-children
#1
Alper Ozcan, Mustafa Kendirci, Meda Kondolot, Fatih Kardas, Leyla Akın
BACKGROUND: Vitamin D (VD) deficiency (VDD) is still a population-based health problem that affects people at different ages. The aim of this study was to evaluate VD prophylaxis for the prevention of VDD in (3-36)-month-old infants and children. METHODS: Infants and children aged between 3 and 36 months, with different etiologies, admitted to outpatient and inpatient clinics from October 2010 to October 2011 at the Children's Hospital of Erciyes University, were enrolled for the study...
March 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28328213/reversible-coordination-of-boron-aluminum-zinc-magnesium-and-calcium-hydrogen-bonds-to-bent-cul2-fragments-heavy-%C3%AF-complexes-of-the-lightest-coinage-metal
#2
Alexandra Hicken, Andrew J P White, Mark R Crimmin
A series of copper(I) complexes bearing electron-deficient β-diketiminate ligands have been prepared. The study includes [{{ArNC(CR3)}2CH}Cu(η(2)-toluene)n] (Ar = Mes, R = F, n = 0.5, [12·tol]; Ar = C6F5, R = Me, n = 1, [2·tol]; Ar = 2,6-Cl2C6H3, R = H, n = 0.5, [32·tol]). Reactions of [1-3n·tol] with boranes, alanes, a zinc hydride, a magnesium hydride, and a calcium hydride generate the corresponding σ complexes ([1-3·B], [3·B'], [3·Al], [3·Al'], [1-3·Zn], [1·Mg], and [1·Ca]). These species all form reversibly, being in equilibrium with the arene solvates in solution...
March 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28321633/dietary-intake-of-minerals-vitamins-and-trace-elements-among-geriatric-population-in-india
#3
Aakriti Gupta, Preetika Khenduja, Ravindra Mohan Pandey, Hem Chandra Sati, Nighat Yaseen Sofi, Umesh Kapil
The geriatric population is at a high risk of developing deficiencies of essential micronutrients such as minerals, vitamins, and trace elements and their related deficiency signs and symptoms. Scarce data is available on the dietary intake of essential micronutrients among geriatric subjects in India. Hence, to fill the gap in the existing knowledge, a community-based cross-sectional study was conducted during 2015-2016 in District Nainital, Uttarakhand State, India. A total of 255 geriatric subjects were enrolled from 30 clusters (villages) identified by using population proportionate to size sampling methodology...
March 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28306698/oral-application-of-magnesium-l-threonate-attenuates-vincristine-induced-allodynia-and-hyperalgesia-by-normalization-of-tumor-necrosis-factor-%C3%AE-nuclear-factor-%C3%AE%C2%BAb-signaling
#4
Ting Xu, Dai Li, Xin Zhou, Han-Dong Ouyang, Li-Jun Zhou, Hang Zhou, Hong-Mei Zhang, Xu-Hong Wei, Guosong Liu, Xian-Guo Liu
BACKGROUND: Antineoplastic agents, including vincristine, often induce neuropathic pain and magnesium deficiency clinically, but the causal link between them has not been determined. No drug is available for treating this form of neuropathic pain. METHODS: Injection of vincristine (0.1 mg · kg · day, intraperitoneally, for 10 days) was used to induce nociceptive sensitization, which was accessed with von Frey hairs and the plantar tester in adult male Sprague-Dawley rats...
March 17, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28299612/dietary-self-management-in-heart-failure-high-tech-or-high-touch
#5
REVIEW
Eloisa Colin-Ramirez, JoAnne Arcand, Justin A Ezekowitz
Dietary management of heart failure (HF) has largely been focused on sodium and fluid restrictions. Although safety and efficacy of these interventions in HF remain unclear, a daily sodium intake between 2000 and 3000 mg/day appears to be safe in these patients. Ongoing clinical research will inform on the safety and efficacy of a more restrictive sodium intake to less than 1500 mg/day. Data shows that routine fluid restriction in HF regardless of symptoms may be unnecessary; however, in patients with signs of congestion, fluid restriction to 2...
March 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28290896/-deficiency-of-magnesium-and-pyridoxine-as-a-risk-factors-for-coronary-heart-disease
#6
O A Gromova, I Yu Torshin, A G Nazarenko, A G Kalachev
Deficiency of magnesium and vitamin 6 is a modifiable risk factor for coronary heart disease (CHD). A combined deficiency of magnesium and vitamin 6 disrupts the functioning myocardial tissue due to the formation of endothelial dysfunction, prothrombotic changes in blood viscosity characteristics, improve vascular tone, failure of the mitochondria. Receiving organic magnesium salts in combination with adequate doses of pyridoxine can be effective in the prevention and treatment of CHD.
October 2016: Kardiologiia
https://www.readbyqxmd.com/read/28248532/trace-elements-have-beneficial-as-well-as-detrimental-effects-on-bone-homeostasis
#7
I Zofkova, M Davis, J Blahos
The protective role of nutrition factors such as calcium, vitamin D and vitamin K for the integrity of the skeleton is well understood. In addition, integrity of the skeleton is positively influenced by certain trace elements (e.g. zinc, copper, manganese, magnesium, iron, selenium, boron and fluoride) and negatively by others (lead, cadmium, cobalt). Deficiency or excess of these elements influence bone mass and bone quality in adulthood as well as in childhood and adolescence. However, some protective elements may become toxic under certain conditions, depending on dosage (serum concentration), duration of treatment and interactions among individual elements...
February 28, 2017: Physiological Research
https://www.readbyqxmd.com/read/28246390/prl3-phosphatase-active-site-is-required-for-binding-the-putative-magnesium-transporter-cnnm3
#8
Huizhi Zhang, Guennadi Kozlov, Xinlu Li, Howie Wu, Irina Gulerez, Kalle Gehring
The phosphatases of regenerating liver (PRLs) are involved in tumorigenesis and metastatic cancer yet their cellular function remains unclear. Recent reports have shown PRL phosphatases bind tightly to the CNNM family of membrane proteins to regulate magnesium efflux. Here, we characterize the interactions between the CBS-pair (Bateman) domain of CNNM3 and either PRL2 or PRL3 using X-ray crystallography, isothermal titration calorimetry, and activity assays. We report four new crystal structures of PRL proteins bound to the CNNM3 CBS-pair domain that reveal the effects of cysteine disulphide formation and nucleotide binding on complex formation...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28241991/effect-of-magnesium-supplementation-on-depression-status-in-depressed-patients-with-magnesium-deficiency-a-randomized-double-blind-placebo-controlled-trial
#9
Afsaneh Rajizadeh, Hassan Mozaffari-Khosravi, Mojtaba Yassini-Ardakani, Ali Dehghani
OBJECTIVES: The aim of this study was to determine the effect of magnesium supplementation on the depression status of depressed patients suffering from magnesium deficiency. METHODS: Sixty depressed people suffering from hypomagnesemia participated in this trial. The individuals were randomly categorized into two groups of 30 members; one receiving two 250-mg tablets of magnesium oxide (MG) daily and the other receiving placebo (PG) for 8 wk. The Beck Depression Inventory-II was conducted and the concentration of serum magnesium was measured...
March 2017: Nutrition
https://www.readbyqxmd.com/read/28238467/micronutrient-intake-adequacy-in-children-from-birth-to-8-years-data-from-the-childhood-obesity-project
#10
Marta Zaragoza-Jordana, Ricardo Closa-Monasterolo, Veronica Luque, Natàlia Ferré, Veit Grote, Berthold Koletzko, Ingrid Pawellek, Elvira Verduci, Alice ReDionigi, Jerzy Socha, Anna Stolarczyk, Pascale Poncelet, Déborah Rousseaux, Joaquin Escribano
BACKGROUND: In European countries, suboptimal intake has been reported for several micronutrients (as calcium, iron, zinc, vitamin B12, D and folate) in both adulthood and childhood. No studies to date have prospectively compiled nutrient intake from healthy children in different European countries using the same methodology. AIM: To describe the adequacy of micronutrient intake during the first eight years of life in children from 5 European countries. METHODS: Prospective observational trial analyzing data from the EU Childhood Obesity Project...
February 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28222407/parathyroid-hormone-response-to-severe-vitamin-d-deficiency-is-associated-with-femoral-neck-bone-mineral-density-an-observational-study-of-405-women-with-hip-fracture
#11
Marco Di Monaco, Carlotta Castiglioni, Rosa Tappero
OBJECTIVE: Hip-fracture patients with vitamin D deficiency can have either secondary hyperparathyroidism or normal levels of parathyroid hormone (PTH). We hypothesized that bone mineral density (BMD) could be lower in patients with high PTH levels than in those with normal levels of PTH, irrespectively of the severity of vitamin D depletion. DESIGN: In this cross-sectional study, we examined 405 women who had serum 25-hydroxyvitamin D below 12ng/ml 20.0 ± 5.9 (mean ± SD) days after a hip-fracture...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28207797/mutation-increasing-%C3%AE-carotene-concentrations-does-not-adversely-affect-concentrations-of-essential-mineral-elements-in-pepper-fruit
#12
Nasya B Tomlekova, Philip J White, Jacqueline A Thompson, Emil A Penchev, Stephan Nielen
Vitamin and mineral deficiencies are prevalent in human populations throughout the world. Vitamin A deficiency affects hundreds of millions of pre-school age children in low income countries. Fruits of pepper (Capsicum annuum L.) can be a major dietary source of precursors to Vitamin A biosynthesis, such as β-carotene. Recently, pepper breeding programs have introduced the orange-fruited (of) trait of the mutant variety Oranzheva kapiya, which is associated with high fruit β-carotene concentrations, to the mutant variety Albena...
2017: PloS One
https://www.readbyqxmd.com/read/28205320/trace-elements-in-children-suffering-from-sickle-cell-anemia-a%C3%A2-case-control-study
#13
Joseph K Sungu, Olivier Mukuku, Augustin Mulangu Mutombo, Paul Mawaw, Michel N Aloni, Oscar N Luboya
BACKGROUND: Information on serum albumin and trace elements among children suffering from Sickle Cell Anemia (SCA) was poorly documented in Africa. The aim of this study was to describe and to compare different values of trace elements with published reports from other parts of the world. METHODS: We carried out a case-control study. Seventy-six steady state children suffering from SCA (Hb-SS). One hundred and fifty-two children were recruited with 76 (cases, Hb-SS) and 76 (control, Hb-AA) to compare the data...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28199867/plant-wide-modelling-of-phosphorus-transformations-in-wastewater-treatment-systems-impacts-of-control-and-operational-strategies
#14
K Solon, X Flores-Alsina, C Kazadi Mbamba, D Ikumi, E I P Volcke, C Vaneeckhaute, G Ekama, P A Vanrolleghem, D J Batstone, K V Gernaey, U Jeppsson
The objective of this paper is to report the effects that control/operational strategies may have on plant-wide phosphorus (P) transformations in wastewater treatment plants (WWTP). The development of a new set of biological (activated sludge, anaerobic digestion), physico-chemical (aqueous phase, precipitation, mass transfer) process models and model interfaces (between water and sludge line) were required to describe the required tri-phasic (gas, liquid, solid) compound transformations and the close interlinks between the P and the sulfur (S) and iron (Fe) cycles...
April 15, 2017: Water Research
https://www.readbyqxmd.com/read/28197823/the-deposition-of-strontium-and-zinc-co-substituted-hydroxyapatite-coatings
#15
L Robinson, K Salma-Ancane, L Stipniece, B J Meenan, A R Boyd
The in vitro and in vivo performance of hydroxyapatite (HAp) coatings can be modified by the addition of different trace ions, such as silicon (Si), lithium (Li), magnesium (Mg), zinc (Zn) or strontium (Sr) into the HAp lattice, to more closely mirror the complex chemistry of human bone. To date, most of the work in the literature has considered single ion-substituted materials and coatings, with limited reports on co-substituted calcium phosphate systems. The aim of this study was to investigate the potential of radio frequency magnetron sputtering to deposit Sr and Zn co-substituted HAp coatings using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS)...
March 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28192171/a-new-light-on-alkaptonuria-a-fourier-transform-infrared-microscopy-ftirm-and-low-energy-x-ray-fluorescence-lexrf-microscopy-correlative-study-on-a-rare-disease
#16
Elisa Mitri, Lia Millucci, Lucia Merolle, Giulia Bernardini, Lisa Vaccari, Alessandra Gianoncelli, Annalisa Santucci
BACKGROUND: Alkaptonuria (AKU) is an ultra-rare disease associated to the lack of an enzyme involved in tyrosine catabolism. This deficiency results in the accumulation of homogentisic acid (HGA) in the form of ochronotic pigment in joint cartilage, leading to a severe arthropathy. Secondary amyloidosis has been also unequivocally assessed as a comorbidity of AKU arthropathy. Composition of ochronotic pigment and how it is structurally related to amyloid is still unknown. METHODS: We exploited Synchrotron Radiation Infrared and X-Ray Fluorescence microscopies in combination with conventional bio-assays and analytical tools to characterize chemical composition and morphology of AKU cartilage...
February 9, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28178887/magnesium-presence-prevents-removal-of-antigenic-nuclear-associated-proteins-from-bovine-pericardium-for-heart-valve-engineering
#17
Ailsa J Dalgliesh, Zhizhao Liu, Leigh G Griffiths
Current heart valve prostheses are associated with significant complications, including aggressive immune response, limited valve life expectancy, and inability to grow in juvenile patients. Animal derived "tissue" valves undergo glutaraldehyde fixation to mask tissue antigenicity; however, chronic immunological responses and associated calcification still commonly occur. A heart valve formed from an unfixed bovine pericardium (BP) extracellular matrix (ECM) scaffold, in which antigenic burden has been eliminated or significantly reduced, has potential to overcome deficiencies of current bioprostheses...
March 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28168597/the-role-of-nutritional-supplements-in-the-treatment-of-adhd-what-the-evidence-says
#18
REVIEW
Klaus W Lange, Joachim Hauser, Katharina M Lange, Ewelina Makulska-Gertruda, Yukiko Nakamura, Andreas Reissmann, Yuko Sakaue, Tomoyuki Takano, Yoshihiro Takeuchi
Attention-deficit hyperactivity disorder (ADHD) is a common behavioral disorder in children and adolescents and may persist into adulthood. Insufficient nutritional supply of long-chain polyunsaturated fatty acids (LC-PUFAs) and other components including various minerals has been suggested to play a role in the development of ADHD symptoms. This review presents the evidence regarding the role of nutritional PUFA, zinc, iron, and magnesium supplements in the treatment of ADHD with a focus on the critical evaluation of the relevant literature published from 2014 to April 2016...
February 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28163524/afebrile-seizures-as-initial-symptom-of-hypocalcemia-secondary-to-hypoparathyroidism
#19
Anastasia Gkampeta, Eftyxia Kouma, Anastasia Touliopoulou, Efstathios Aggelopoulos, Eleni Vourti
Hypocalcemia is rare in childhood and caused, among other conditions, by hypoparathyroidism. DiGeorge syndrome is the most common cause of hypoparathyroidism in childhood. Presentation of a rare cause of hypocalcemia in childhood and the necessity of measuring serum electrolyte levels in patients presenting with afebrile seizures. a 7.5-year-old female child presented with afebrile seizures lasting 5 min with postictal drowsiness. A similar episode 1 month ago is described. On admission, a positive Trousseau sign, papilledema, and long QTc on electrocardiography were detected...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28155056/nutrient-status-9%C3%A2-years-after-biliopancreatic-diversion-with-duodenal-switch-bpd-ds-an-observational-study
#20
Gladys Witt Strain, Mehyar Hefazi Torghabeh, Michel Gagner, Faith Ebel, Gregory F Dakin, Daniel Connolly, Elizabeth Goldenberg, Alfons Pomp
BACKGROUND: Since biliopancreatic diversion with duodenal switch (BPD/DS) produces hypoabsorption, evaluation of long-term nutrient changes is appropriate. METHODS: Measurements of micronutrients, trace elements, PTH, iron studies, and protein were completed for consented patients at baseline prior to surgery and at yearly intervals. The patients were advised and supplements were adjusted by blood studies with compliance checks. Independent t tests and ANOVAs compared changes between cross-sectional cohorts based on follow-up time from surgery...
February 2, 2017: Obesity Surgery
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