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Magnesium deficiency

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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
#1
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
#2
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
#3
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
#4
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...
February 6, 2017: Water Research
https://www.readbyqxmd.com/read/28197823/the-deposition-of-strontium-and-zinc-co-substituted-hydroxyapatite-coatings
#5
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
#6
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
#7
Ailsa Dalgliesh, Zhi Zhao Liu, Leigh 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 bio-prostheses...
February 8, 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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28140318/perspective-the-case-for-an-evidence-based-reference-interval-for-serum-magnesium-the-time-has-come
#11
Rebecca B Costello, Ronald J Elin, Andrea Rosanoff, Taylor C Wallace, Fernando Guerrero-Romero, Adela Hruby, Pamela L Lutsey, Forrest H Nielsen, Martha Rodriguez-Moran, Yiqing Song, Linda V Van Horn
The 2015 Dietary Guidelines Advisory Committee indicated that magnesium was a shortfall nutrient that was underconsumed relative to the Estimated Average Requirement (EAR) for many Americans. Approximately 50% of Americans consume less than the EAR for magnesium, and some age groups consume substantially less. A growing body of literature from animal, epidemiologic, and clinical studies has demonstrated a varied pathologic role for magnesium deficiency that includes electrolyte, neurologic, musculoskeletal, and inflammatory disorders; osteoporosis; hypertension; cardiovascular diseases; metabolic syndrome; and diabetes...
November 2016: Advances in Nutrition
https://www.readbyqxmd.com/read/28132954/dietary-magnesium-intake-alters-age-related-changes-in-rat-adipose-tissue-cellularity
#12
Sylvie Devaux, Markus Adrian, Pascal Laurant, Alain Berthelot, Annie Quignard-Boulangé
Obesity and related metabolic diseases are associated with increased risk of cardiovascular disease. We have previously shown the beneficial effects of dietary magnesium (Mg) supplementation on cardiovascular disease in rats. Therefore, we aimed to examine the effect of an Mg-deficient or supplemented diet on adipose tissue cellularity changes during aging, and on blood pressure (BP), in rats. Male rats received for one (young adult) or 22 months (old), an Mg-deficient (Def) (150 mg/kg), standard (Std) (800 mg/kg) or Mg-supplemented (Sup) (3200 mg/kg) diet...
April 1, 2016: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/28132953/guidance-for-the-determination-of-status-indicators-and-dietary-requirements-for-magnesium
#13
Forrest H Nielsen
Balance data obtained since 1997 indicate that the Estimated Average Requirement and Recommended Dietary Allowance for magnesium should be 175 and 250 mg/d, respectively, for 70 kg healthy individuals, and increase or decrease based on body weight. Urinary excretion data from balance studies indicate that 40 to 80 mg (1.65 to 3.29 mmol) Mg/day are excreted when magnesium intakes are <250 mg/day, and 80 to 160 mg/day (3.29 to 6.58 mmol) when intakes are >250 mg/day. The change in urinary magnesium excretion with the change in dietary magnesium intake occurs within a few days...
April 1, 2016: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/28096139/potential-health-benefits-of-combining-yogurt-and-fruits-based-on-their-probiotic-and-prebiotic-properties
#14
REVIEW
Melissa Anne Fernandez, André Marette
Fruit and yogurt have been identified individually as indicators of healthy dietary patterns. Fruits are relatively low in energy density and are an excellent source of antioxidants and prebiotic fibers and polyphenols, which can promote digestive health. Yogurt, on the other hand, is a nutrient-dense food that is a good source of dairy protein, calcium, magnesium, vitamin B-12, conjugated linoleic acid, and other key fatty acids. In addition, it contains beneficial bacterial cultures, making it a potential source of probiotics...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28092849/magnesium-and-manganese-affect-photosynthesis-essential-oil-composition-and-phenolic-compounds-of-tanacetum-parthenium
#15
Soudeh Farzadfar, Fatemeh Zarinkamar, Mostafa Hojati
The accumulation of plant defense metabolites is closely associated with the concentration of nutrient elements, yet data related to the interactive effects of two nutrients on the deployment of phenolics and terpenoids are scare. In the present study, the interaction between magnesium (Mg) and manganese (Mn) on nutrient uptake, photosynthesis, oxidative status and the accumulation of phenolics and terpenoids in the leaves of feverfew plants grown at different concentrations of Mg and Mn was investigated. Nutrient uptake and photosynthesis were associated with the amount of applied Mg but could be modified by the concentration of Mn...
January 3, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28091750/ectomycorrhizal-fungal-diversity-associated-with-endemic-tristaniopsis-spp-myrtaceae-in-ultramafic-and-volcano-sedimentary-soils-in-new-caledonia
#16
Muhammad Waseem, Marc Ducousso, Yves Prin, Odile Domergue, Laure Hannibal, Clarisse Majorel, Philippe Jourand, Antoine Galiana
New Caledonian serpentine (ultramafic) soils contain high levels of toxic heavy metals, in particular nickel, (up to 20 g kg(-1)) and are deficient in essential elements like carbon, nitrogen and phosphorus while having a high magnesium/calcium ratio. Although previous studies showed that ectomycorrhizal symbioses could play an important role in the adaptation of the endemic plants to ultramafic soils (FEMS Microbiol Ecol 72:238-49, 2010), none of them have compared the diversity of microbial communities from ultramafic vs non-ultramafic soils in New Caledonia...
January 13, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28090471/hair-zinc-level-analysis-and-correlative-micronutrients-in-children-presenting-with-malnutrition-and-poor-growth
#17
Tae Hwan Han, Jin Lee, Yong Joo Kim
PURPOSE: Zinc deficiency can induce serious clinical problems in the gastrointestinal (GI) system and immune system and can affect growth and development. It is more severe in younger patients. Chronic zinc deficiency is reflected more precisely in hair than in serum. We studied hair zinc levels and other hair and serum micronutrients in chronic malnourished children to identify which micronutrients are affected or correlated with the other ones. METHODS: Hair mineral analyses were performed in 56 children (age, 1-15 years) presenting with malnutrition, poor growth, poor appetite, anorexia, with/without other GI symptoms (diarrhea, abdominal pain, constipation) from August 2012 to March 2015...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#18
Nagwa A Meguid, Mona Anwar, Geir Bjørklund, Adel Hashish, Salvatore Chirumbolo, Maha Hemimi, Eman Sultan
Although the etiology and pathology of autism spectrum disorder (ASD) is still poorly understood, a number of environmental, anthropological, neurobiological and genetic factors have been related to the pathophysiology of ASD, even the impact of oxidative stress response related to the environment and nutrition intake. Usual recommended dietary habits are based on the combination of behavioral and dietary or nutraceutical interventions together with pharmacotherapy. Investigations about a reliable relationship between diet and ASD are still lacking...
January 10, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28061974/the-role-of-elements-in-anxiety
#19
K Młyniec, M Gaweł, U Doboszewska, G Starowicz, G Nowak
Elements (bioelements) are necessary factors required for the physiological function of organisms. They are critically involved in fundamental processes of life. Extra- and intracellular message and metabolic pathway factors as well as structural components include one or many elements in their functional structure. Recent years have seen an intensification in terms of knowledge gained about the roles of elements in anxiety disorders. In this chapter we present a review of the most important current data concerning the involvement of zinc, magnesium, copper, lithium, iron, and manganese, and their deficiency, in the pathophysiology and treatment of anxiety...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28033128/renal-function-of-cyclin-m2-mg2-transporter-maintains-blood-pressure
#20
Yosuke Funato, Daisuke Yamazaki, Hiroaki Miki
OBJECTIVES: Epidemiological studies have shown that magnesium intake/excretion is inversely correlated with blood pressure (BP), and artificial supplementation of magnesium was able to prevent hypertension. However, there has been no molecular genetic study showing the importance of magnesium homeostasis in BP regulation. METHODS: We analyzed magnesium content and BP of mice lacking genes encoding cyclin M (CNNM) Mg transporter family proteins. RESULTS: Systemic heterozygotes and the kidney-specific homozygotes for Cnnm2-deficient alleles are both viable and show hypomagnesemia, indicating the important function of CNNM2 in maintaining magnesium homeostasis in the kidney...
March 2017: Journal of Hypertension
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