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Magnesium deficiency

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28536292/capsule-production-and-glucose-metabolism-dictate-fitness-during-serratia-marcescens-bacteremia
#12
Mark T Anderson, Lindsay A Mitchell, Lili Zhao, Harry L T Mobley
Serratia marcescens is an opportunistic pathogen that causes a range of human infections, including bacteremia, keratitis, wound infections, and urinary tract infections. Compared to other members of the Enterobacteriaceae family, the genetic factors that facilitate Serratia proliferation within the mammalian host are less well defined. An in vivo screen of transposon insertion mutants identified 212 S. marcescens fitness genes that contribute to bacterial survival in a murine model of bloodstream infection...
May 23, 2017: MBio
https://www.readbyqxmd.com/read/28532720/the-dietary-composition-of-women-who-delivered-preterm-and-full-term-infants
#13
Wioletta Waksmańska, Rafał Bobiński, Izabela Ulman-Włodarz, Anna Pielesz, Monika Mikulska
OBJECTIVES: Literature data show that excess and primary deficiency in particular nutrients, vitamins and minerals may lead to pre-eclampsia, gestational diabetes, hypertension and neural tube defects in the foetus. The aim of the study was to determine differences in average daily consumption of selected nutrients during pregnancy in women who did not supplement their diet and to evaluate the influence of dietary habits on the occurrence of pre-term delivery and hypertension in pregnant women...
June 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28526433/risk-of-low-birth-weight-and-micronutrient-deficiencies-in-neonates-from-mothers-after-gastric-bypass-a-case-control-study
#14
Geraldine Gascoin, Maxime Gerard, Agnès Sallé, Guillaume Becouarn, Stephanie Rouleau, Loïc Sentilhes, Régis Coutant
BACKGROUND: An increased risk of small-for-gestational-age infants after maternal bariatric surgery has been shown. The risk of micronutrients deficiencies in these neonates is unclear. OBJECTIVE: To screen for micronutrients deficiencies in newborns of mothers with gastric bypass. SETTINGS: University hospital in Angers, France. METHODS: This study compared the clinical and cord blood biological characteristics of 56 newborns of mothers with prior Roux-en-Y gastric bypass (RYGB) and 56 newborns of nonobese healthy mothers after normal pregnancy (controls), followed between January 3, 2008 and October 31, 2012...
March 27, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28522874/calcium-deficient-hydroxyapatite-as-a-potential-sorbent-for-strontium
#15
Yurina Sekine, Ryuhei Motokawa, Naofumi Kozai, Toshihiko Ohnuki, Daiju Matsumura, Takuya Tsuji, Riku Kawasaki, Kazunari Akiyoshi
A calcium (Ca)-deficient hydroxyapatite was investigated for its potential to remove Sr(2+) from environmentally relevant water. We conducted sorption tests on solutions containing magnesium ion (Mg(2+)) and calcium ion (Ca(2+)) as competing cations at a strontium ion (Sr(2+)) concentration of 0.05 mmol/L. The Ca-deficient hydroxyapatite maintained a high Sr(2+) sorption ratio of above 80% in the presence of Mg(2+) and Ca(2+) at the concentrations between 0.1 and 1.0 mmol/L, whereas the stoichiometric hydroxyapatite showed a lower ratio even in the presence of small amounts of Mg(2+) and Ca(2+) (72% for Mg(2+) and 51% for Ca(2+) at 0...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28508256/the-role-of-micronutrients-in-alopecia-areata-a-review
#16
REVIEW
Jordan M Thompson, Mehwish A Mirza, Min Kyung Park, Abrar A Qureshi, Eunyoung Cho
Alopecia areata (AA) is a common, non-scarring form of hair loss caused by immune-mediated attack of the hair follicle. As with other immune-mediated diseases, a complex interplay between environment and genetics is thought to lead to the development of AA. Deficiency of micronutrients such as vitamins and minerals may represent a modifiable risk factor associated with development of AA. Given the role of these micronutrients in normal hair follicle development and in immune cell function, a growing number of investigations have sought to determine whether serum levels of these nutrients might differ in AA patients, and whether supplementation of these nutrients might represent a therapeutic option for AA...
May 15, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28496346/do-we-need-to-measure-vitamin-b12-and-magnesium-in-morbidly-obese-patients-with-type-2-diabetes-mellitus
#17
Anna Wåhlén, Arvo Haenni, Hans-Erik Johansson
OBJECTIVE: We aimed to investigate the prevalence of B12 deficiency in metformin-treated, morbidly obese, type 2 diabetes mellitus (T2DM) patients, compared to morbidly obese controls, as well as to evaluate the magnesium status. DESIGN: Retrospective cross-sectional analysis of plasma vitamin B12, plasma magnesium, glucometabolic status and clinical measurements in all consecutive morbidly obese patients was conducted during 1 year. SETTING: Outpatient Clinic of Obesity Care...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28475194/multipurpose-surface-functionalization-on-az31-magnesium-alloys-by-atomic-layer-deposition-tailoring-the-corrosion-resistance-and-electrical-performance
#18
Yang Li, Hang Li, Qiyang Xiong, Xiaoming Wu, Jia Zhou, Jinzhu Wu, Xiaohong Wu, Wei Qin
An environmentally friendly atomic layer deposition (ALD) method with excellent atomic scale roughness controllability is developed to fabricate a highly conformal, corrosion preventive and conducting Al doped ZnO (AZO) film on a plasma electrolytic oxidation (PEO) layer coated AZ31 magnesium alloy. Compared with the insulated PEO coated magnesium alloy, the electrical conductivity of the composite coating increases to 25 S m(-1), and in the meantime the anticorrosion performance of the PEO/AZO coating is greatly improved compared to the bare Mg alloy...
May 5, 2017: Nanoscale
https://www.readbyqxmd.com/read/28471760/magnesium-supplementation-in-vitamin-d-deficiency
#19
Pramod Reddy, Linda R Edwards
BACKGROUND: Vitamin D and magnesium (Mg) are some of the most studied topics in medicine with enormous implications for human health and disease. Majority of the adults are deficient in both vitamin D and magnesium but continue to go unrecognized by many health care professionals. AREAS OF UNCERTAINTY: Mg and vitamin D are used by all the organs in the body, and their deficiency states may lead to several chronic medical conditions. Studies described in the literature regarding these disease associations are contradictory, and reversal of any of these conditions may not occur for several years after adequate replacement...
May 3, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28464802/phosphate-binders-affect-vitamin-k-concentration-by-undesired-binding-an-in-vitro-study
#20
A Neradova, S P Schumacher, I Hubeek, P Lux, L J Schurgers, M G Vervloet
BACKGROUND: Vascular calcification is a major contributing factor to mortality in end stage renal disease (ESRD). Despite the efficacy of phosphate binders to improve hyperphosphatemia, data on vascular calcification are less clear. There seems to be a difference in attenuation or delay in progression between different binders. In this in vitro experiment we tested whether phosphate binders could limit bioavailability of vitamin K2 by undesired binding. Vitamin K-deficiency limits activation of the vascular tissue mineralization inhibitor matrix γ-carboxyglutamate (Gla) protein (MGP) thereby exacerbating vascular calcification...
May 2, 2017: BMC Nephrology
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