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Magnesium deficiency

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https://www.readbyqxmd.com/read/28742311/an-analysis-of-selected-risk-factors-of-osteoporosis-%C3%A2-dietary-patterns-and-physical-activity-%C3%A2-in-pubescent-girls-from-the-lubelskie-province
#1
Anna Czeczuk, Elżbieta Huk-Wieliczuk, Agnieszka Dmitruk, Helena Popławska
INTRODUCTION: Peak bone mass is modulated by intrinsic (genetic) and extrinsic factors, such as diet, physical activity, stimulants and medications. Approximately 80-85% of peak bone mass is achieved during puberty. OBJECTIVE: The aim of the study was to analyze selected risk factors for osteoporosis, specifically diet and physical activity, in 10- to 15-year-old girls. MATERIAL AND METHODS: The study included 461 girls from Eastern Poland (Lublin Province)...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/28710691/monitoring-of-inland-waters-for-culturing-shrimp-litopenaeus-vannamei-application-of-a-method-based-on-survival-and-chemical-composition
#2
G Valencia-Castañeda, M I Millán-Almaraz, J F Fierro-Sañudo, M G Fregoso-López, F Páez-Osuna
This study evaluated the suitability of 21 inland waters (16 well waters and 5 surface waters) from Northwest Mexico via short- (48 h) and medium-term (28 days) tests using postlarvae (PL18) of Litopenaeus vannamei. In the short test, survival was assessed at 48 h after shrimp were placed in groups of 10 postlarvae into 2-L containers of inland water, to which they had been previously acclimated. The second, medium-term test consisted of four replicates with 10 postlarvae, and each group was placed in 15-L containers with the treatment water...
August 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28690617/transcriptomic-analysis-of-soil-grown-t-aestivum-cv-root-to-reveal-the-changes-in-expression-of-genes-in-response-to-multiple-nutrients-deficiency
#3
Saurabh Gupta, Brijesh S Yadav, Utkarsh Raj, Shiri Freilich, Pritish K Varadwaj
Deficiency of necessary macronutrients, i.e., Potassium (K), Magnesium (Mg), Nitrogen (N), Phosphorus (P), and Sulfate (S) in the soil leads to a reduction in plant growth and yield, which is a result of changes in expression level of various genes. This study was performed to identify the differentially expressed genes and its associated metabolic pathways occurred in soil grown wheat root samples excavated from the control and treated fields. To identify the difference in gene expression levels due to deficiency of the said nutrients, a transcriptomic, meta-analysis was performed on array expression profile data...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28683234/long-term-bone-health-after-roux-en-y-gastric-bypass-a-pilot-study
#4
Fiona Jackson Cook, Ila Khanna, Jennifer Giordano, Laura Matarese, Suzanne Hudson
OBJECTIVE: This cross sectional study was undertaken to assess metabolic bone disease by examining bone mineral density (BMD), fracture prevalence, and nutritional factors pertinent to bone in a cohort >9 years post Roux-en-Y gastric bypass (RYGB). METHODS: Fifty one subjects 9.4-36.0 years (mean 17.0 +8.1) post RYGB provided a focused history. Dietary calcium and protein were assessed. Dual energy X ray absorptiometry (DXA) BMD at the spine, hip, and radius and routine serum chemistries, magnesium, phosphorus, parathyroid hormone, vitamin D, vitamin K, and micronutrients were analyzed...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28682182/low-25-hydroxyvitamin-d-and-myofascial-pain-association-of-cancer-colon-polyps-and-tendon-rupture
#5
Jane M Hightower, Kathie M Dalessandri, Karl Pope, Germán T Hernández
BACKGROUND: Myofascial pain that has been associated with cancer and increased risk of morbidity and mortality in cancer patients is intrinsically associated with low magnesium and low 25-hydroxyvitamin D (25(OH)D). Therefore, this physical finding was used as a clinical diagnostic proxy. OBJECTIVE: The objective of this study was to assess the association and prevalence of disease in individuals with myofascial pain and low 25(OH)D in a county with low magnesium in the drinking water...
July 6, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28679948/prl2-links-magnesium-flux-and-sex-dependent-circadian-metabolic-rhythms
#6
Noriko Uetani, Serge Hardy, Simon-Pierre Gravel, Silke Kiessling, Adam Pietrobon, Nau Nau Wong, Valérie Chénard, Nicolas Cermakian, Julie St-Pierre, Michel L Tremblay
Magnesium (Mg2+) plays pleiotropic roles in cellular biology, and it is essentially required for all living organisms. Although previous studies demonstrated intracellular Mg2+ levels were regulated by the complex of phosphatase of regenerating liver 2 (PRL2) and Mg2+ transporter of cyclin M (CNNMs), physiological functions of PRL2 in whole animals remain unclear. Interestingly, Mg2+ was recently identified as a regulator of circadian rhythm-dependent metabolism; however, no mechanism was found to explain the clock-dependent Mg2+ oscillation...
July 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28664690/plasma-magnesium-concentration-in-patients-undergoing-coronary-artery-bypass-grafting
#7
Edyta Kotlinska-Hasiec, Marta Makara-Studzinska, Marek Czajkowski, Ziemowit Rzecki, Krzysztof Olszewski, Adam Stadnik, Jacek Pilat, Beata Rybojad, Wojciech Dabrowski
[b]Introduction[/b]. Magnesium (Mg) plays a crucial role in cell physiology and its deficiency may cause many disorders which often require intensive treatment. The aim of this study was to analyse some factors affecting preoperative plasma Mg concentration in patients undergoing coronary artery bypass grafting (CABG). [b]Materials and method[/b]. Adult patients scheduled for elective CABG with cardio-pulmonary bypass (CPB) under general anaesthesia were studied. Plasma Mg concentration was analysed before surgery in accordance with age, domicile, profession, tobacco smoking and preoperative Mg supplementation...
May 11, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28656113/cardiac-dysrhythmias-and-neurological-dysregulation-manifestations-of-profound-hypomagnesemia
#8
Sagger Mawri, Edward Gildeh, Namita Joseph, Bobak Rabbani, Bryan Zweig
Magnesium is the second most common intracellular cation and serves as an important metabolic cofactor to over 300 enzymatic reactions throughout the human body. Among its various roles, magnesium modulates calcium entry and release from sarcoplasmic reticulum and regulates ATP pumps in myocytes and neurons, thereby regulating cardiac and neuronal excitability. Therefore, deficiency of this essential mineral may result in serious cardiovascular and neurologic derangements. In this case, we present the clinical course of a 76-year-old woman who presented with marked cardiac and neurological signs and symptoms which developed as a result of severe hypomagnesemia...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28649430/predicting-growth-of-the-healthy-infant-using-a-genome-scale-metabolic-model
#9
Avlant Nilsson, Adil Mardinoglu, Jens Nielsen
An estimated 165 million children globally have stunted growth, and extensive growth data are available. Genome scale metabolic models allow the simulation of molecular flux over each metabolic enzyme, and are well adapted to analyze biological systems. We used a human genome scale metabolic model to simulate the mechanisms of growth and integrate data about breast-milk intake and composition with the infant's biomass and energy expenditure of major organs. The model predicted daily metabolic fluxes from birth to age 6 months, and accurately reproduced standard growth curves and changes in body composition...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28633366/magnesium-deficiency-induced-alterations-of-gas-exchange-major-metabolites-and-key-enzymes-differ-among-roots-and-lower-and-upper-leaves-of-citrus-sinensis-seedlings
#10
Chun-Ping Li, Yi-Ping Qi, Jiang Zhang, Lin-Tong Yang, Dan-Hong Wang, Xin Ye, Ning-Wei Lai, Ling-Ling Tan, Dan Lin, Li-Song Chen
Magnesium (Mg)-deficiency is a widespread problem adversely affecting the quality and yield of crops, including citrus. 'Xuegan' [Citrus sinensis (L.) Osbeck] seedlings were irrigated every other day with nutrient solution at an Mg concentration of 0 mM (Mg-deficiency) or 1 mM (Mg-sufficiency) for 16 weeks. Thereafter, biomass, leaf mass per area, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), pigments in the upper and lower leaves, Mg, gas exchange, organic acids, nonstructural carbohydrates, total soluble proteins, amino acids, phenolics and anthocyanins, and key enzymes related to organic acid, amino acid and phenolic metabolisms in the roots, and upper and lower leaves were assayed in order to test the hypothesis that Mg-deficiency-induced alterations of gas exchange, major metabolites and key enzymes may differ among the roots, and upper and lower leaves...
June 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28627193/-menus-offered-in-long-term-care-homes-quality-of-meal-service-and-nutritional-analysis
#11
Ana Isabel Rodríguez Rejón, María Dolores Ruiz López, Vincenzo Malafarina, Antonio Puerta, Antonia Zuñiga, Reyes Artacho
BACKGROUND: Institutionalization is a risk factor for malnutrition. Low energy intake and/or nutrient deficiencies are considered to be the main causes. OBJECTIVE: To evaluate the quality of meals and meal service as well as the nutritional value of the main menus (regular menu, menu for diabetics, and pureed menu) offered in three long-term care (LTC) homes located in the metropolitan area of Granada (Spain). METHODS: Cross-sectional study...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28612063/bioelements-in-hair-of-children-with-selected-neurological-disorders
#12
Jan Józefczuk, Wiktoria Kasprzycka, Rafał Czarnecki, Alfreda Graczyk, Paweł Józefczuk, Magda Krzysztof, Urszula Lampart, Ewa Mrozowska-Ząbek, Weronika Surdy, Róża Kwiatkowska-Graczyk
We have analyzed concentrations of magnesium (Mg), calcium (Ca), copper (Cu), zinc (Zn) and iron (Fe) in hair of a group of 82 children with mental retardation, in which 9 patients suffered from epilepsy, 18 from the Down's syndrome and 55 from cerebral palsy. Girls comprised little over 50% of the patients. In the group of boys with epilepsy, we found Mg, Ca, Cu and Fe deficiency, and normal level of Zn. In the group of girls with epilepsy, apart from low Fe concentration, a high level of Ca, Mg, Zn, and Cu was noted...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28608247/tryptophan-status-in-autism-spectrum-disorder-and-the-influence-of-supplementation-on-its-level
#13
Joanna Kałużna-Czaplińska, Jagoda Jóźwik-Pruska, Salvatore Chirumbolo, Geir Bjørklund
Recent reports show that the worldwide incidence of autism spectrum disorder (ASD) is dramatically increasing, although ASD etiology and pathogenesis are still far to be fully elucidated. Some dietary-derived essential compounds, such as the amino acid tryptophan, appear to be impaired in patients with ASD. Tryptophan (Trp) plays a significant role in the human organism and serves as a precursor for a wide range of bioactive compounds, including major neurotransmitters. Research indicates that tryptophan might be deficient in subjects with ASD...
June 12, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28604131/micronutrient-intake-and-the-contribution-of-dietary-supplements-in-hispanic-infants
#14
Kiara Amaro-Rivera, Andrea López-Cepero, Beatriz Diaz, Jae Eun Lee, Cristina Palacios
To calculate micronutrient adequacy among infants and toddlers and to determine the contribution of dietary supplements to this adequacy, micronutrient intake was assessed using two nonconsecutive 24-hour recalls in a sample of 296 infants aged 0-24 months. Micronutrient intake was calculated from foods and beverages and from supplements and compared between nonusers and users of supplements. Percentages of children below the Dietary Reference Intake (DRI) and above the tolerable upper limit intake (UL) were also compared between groups...
June 12, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28598237/homocysteine-as-a-diagnostic-and-etiopathogenic-factor-in-children-with-autism-spectrum-disorder
#15
Jan Józefczuk, Wiktoria Kasprzycka, Rafał Czarnecki, Alfreda Graczyk, Paweł Józefczuk, Krzysztof Magda, Urszula Lampart
Substantial characteristics of autism are cognitive and psychophysical disorders. Etiopathogenetic factors are thought to be responsible for development of autism in children with genetic predisposition as well as have their effect on the severity of the disorders. The main problem of early identification of patients affected by autism spectrum disorder is that there are no clear diagnostic criteria. The aim of our study was assessment of hair magnesium and serum homocysteine concentrations in children with autism...
June 9, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28582812/symptomatic-efficacy-of-buckwheat-products-in-non-celiac-gluten-sensitivity-ncgs
#16
Monicau Dinu, Donatella Macchia, Giuditta Pagliai, Anna Maria Gori, Francesca Cesari, Rossella Marcucci, Francesco Sofi, Alessandro Casini
BACKGROUND AND OBJECTIVES: Buckwheat (Fagopyrum esculentum) is a gluten-free grain with acclaimed benefi-cial effects on human health. Our aim was to assess the effect of buckwheat products on intestinal/extra-intestinal symptoms and biochemical parameters in patients with Non-Celiac Gluten Sensitivity (NCGS). METHODS AND STUDY DESIGN: A randomized, crossover trial with two intervention phases was conducted on 19 NCGS patients over a 12 week-period. The participants were assigned to consume products made from buckwheat or to maintain their normal gluten-free diet for 6 weeks in a random order...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28580502/in-vitro-bioavailability-of-calcium-magnesium-iron-zinc-and-copper-from-gluten-free-breads-supplemented-with-natural-additives
#17
J Regula, A Cerba, J Suliburska, A A Tinkov
The aim of this study was to measure the content of calcium, magnesium, iron, zinc, and copper and determine the bioavailability of these ingredients in gluten-free breads fortified with milk and selected seeds. Due to the increasing prevalence of celiac disease and mineral deficiencies, it has become necessary to produce food with higher nutritional values which maintains the appropriate product characteristics. This study was designed for gluten-free breads fortified with milk and seeds such as flax, poppy, sunflower seeds, pumpkin seeds or nuts, and flour with amaranth...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28579563/synthesis-and-characterization-of-a-photochromic-magnesium-ii-coordination-polymer-based-on-a-naphthalene-diimide-ligand
#18
Jian Jun Liu, Teng Liu, Chang Cang Huang
Naphthalene diimides, which are planar, chemically robust and redox-active, are an attractive class of electron-deficient dyes, which can undergo a single reversible one-electron reduction to form stable radical anions in the presence of electron donors upon irradiation. This makes them excellent candidates for organic linkers in the construction of photochromic coordination polymers. Such a photochromic one-dimensional linear coordination polymer has been prepared using N,N'-bis(3-carboxyphenyl)naphthalene-1,8:4,5-tetracarboximide (H2BBNDI)...
June 1, 2017: Acta Crystallographica. Section C, Structural Chemistry
https://www.readbyqxmd.com/read/28555144/uptake-of-silicon-by-sugarcane-from-applied-sources-may-not-reflect-plant-available-soil-silicon-and-total-silicon-content-of-sources
#19
Malcolm G Keeping
Soils of the tropics and sub-tropics are typically acid and depleted of soluble sources of silicon (Si) due to weathering and leaching associated with high rainfall and temperatures. Together with intensive cropping, this leads to marginal or deficient plant Si levels in Si-accumulating crops such as rice and sugarcane. Although such deficiencies can be corrected with exogenous application of Si sources, there is controversy over the effectiveness of sources in relation to their total Si content, and their capacity to raise soil and plant Si concentrations...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28552881/vitamin-d-deficiency-and-associated-factors-in-patients-with-mental-disorders-treated-in-routine-practice
#20
Svetlana Ristic, Sandra Zivanovic, Dragan R Milovanovic, Vladimir Janjic, Danijela Djokovic, Ana Jovicevic, Marijana Stanojevic Pirkovic, Sanja Kocic
This research aimed to investigate factors associated with vitamin D deficiency and to provide data about its prevalence in patients suffering from different psychiatric illnesses. The study had a cross-sectional design and it included 220 patients of both genders, aged from 19-81 y, with a wide range of mental disorders (F00-F89), and treated in routine ambulatory and hospital practice. The researchers collected data from three sources: medical records, a study questionnaire and biochemical analysis of patients' serum samples (concentration of vitamin D measured as 25(OH)D, calcium, phosphorus, magnesium, sodium and potassium)...
2017: Journal of Nutritional Science and Vitaminology
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