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Calcium magnesium

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https://www.readbyqxmd.com/read/29150507/divalent-metal-cations-potentiate-the-predatory-capacity-of-amoeba-for-cryptococcus-neoformans
#1
Man Shun Fu, Arturo Casadevall
Among the best studied interaction between soil phagocytic predators and a human pathogenic fungus is that of Acanthamoeba castellanii and Cryptococcus neoformans The experimental conditions used in amoeba-fungal confrontation assays can have major effects on whether the fungus or the protozoan is ascendant in the interaction. In the presence of Mg(2+) and Ca(2+) in PBS, C. neoformans was consistently killed when incubated with A. castellanii. A. castellanii survived better in the presence of Mg(2+) and Ca(2+), even when incubated with C...
November 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29147662/effectiveness-of-a-lytic-phage-srg1-against-vancomycin-resistant-enterococcus-faecalis-in-compost-and-soil
#2
Sidra Rahmat Ullah, Saadia Andleeb, Taskeen Raza, Muhsin Jamal, Khalid Mehmood
Nosocomial infections caused by vancomycin-resistant Enterococcus have become a major problem. Bacteriophage therapy is proposed as a potential alternative therapy. Bacteriophages are viruses that infect bacteria and are ubiquitous in nature. Lytic bacteriophage was isolated from sewage water that infects VREF, the causative agent of endocarditis, bacteraemia, and urinary tract infections (UTIs). The phage produced clear plaques with unique clear morphology and well-defined boundaries. TEM results of phage revealed it to be 108 ± 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29146231/is-hungry-bone-syndrome-a-cause-of-postoperative-hypocalcemia-after-total-thyroidectomy-in-thyrotoxicosis-a-prospective-study-with-bone-mineral-density-correlation
#3
Poongkodi Karunakaran, Chandrasekaran Maharajan, Srinivasan Ramalingam, Suresh Venkatesh Rachmadugu
BACKGROUND: Hungry bone syndrome is a well-established cause of postoperative hypocalcemia in thyrotoxicosis. To date, the incidence of hungry bone syndrome after total thyroidectomy is unclear. This prospective study examined the incidence of postthyroidectomy hungry bone syndrome and its correlation with preoperative bone mineral density. METHODS: Forty thyrotoxic subjects (Group A; age: mean ± SD; 36.5 ± 9.8 years) and 40 euthyroid controls with benign thyroid nodules (Group B) undergoing total thyroidectomy were evaluated for preoperative bone mineral density and serum calcium, magnesium, phosphorus, parathyroid hormone, alkaline phosphatase, and 25-Hydroxy Vitamin D serially...
November 14, 2017: Surgery
https://www.readbyqxmd.com/read/29142975/sclerostin%C3%A2-a-debutant-on-the-autosomal-dominant-polycystic-kidney-disease-scene
#4
Magdalena Jankowska, Mathias Haarhaus, Abdul Rashid Qureshi, Bengt Lindholm, Pieter Evenepoel, Peter Stenvinkel
Introduction: Autosomal dominant polycystic kidney disease (ADPKD) is a genetic disease originating from a mutation in genes encoding polycystin 1 and 2. Recent evidence suggests that these polycystins mediate mechanosensation not only in the primary cilium of kidney cells but also in bone cells. The Wnt/β-catenin signaling pathway plays a central role in mechanotransduction in osteocytes. Mechanical unloading causes the upregulation of the Wnt inhibitor sclerostin. We tested the hypothesis that ADPKD associates with higher circulating sclerostin levels...
May 2017: KI Reports
https://www.readbyqxmd.com/read/29140980/prokaryotic-diversity-and-biogeochemical-characteristics-of-benthic-microbial-ecosystems-at-la-brava-a-hypersaline-lake-at-salar-de-atacama-chile
#5
Maria Eugenia Farias, Maria Cecilia Rasuk, Kimberley L Gallagher, Manuel Contreras, Daniel Kurth, Ana Beatriz Fernandez, Daniel Poiré, Fernando Novoa, Pieter T Visscher
Benthic microbial ecosystems of Laguna La Brava, Salar de Atacama, a high altitude hypersaline lake, were characterized in terms of bacterial and archaeal diversity, biogeochemistry, (including O2 and sulfide depth profiles and mineralogy), and physicochemical characteristics. La Brava is one of several lakes in the Salar de Atacama where microbial communities are growing in extreme conditions, including high salinity, high solar insolation, and high levels of metals such as lithium, arsenic, magnesium, and calcium...
2017: PloS One
https://www.readbyqxmd.com/read/29137465/a-trial-on-the-effects-of-magnesium-zinc-calcium-vitamin-d-co-supplementation-on-glycemic-control-and-markers-of-cardio-metabolic-risk-in-women-with-polycystic-ovary-syndrome
#6
Mehri Jamilian, Maryam Maktabi, Zatollah Asemi
BACKGROUND: There is scarce data on the effects of magnesium-zinc-calcium-vitamin D co-supplementation on glycemic control and markers of cardio-metabolic risk among women with polycystic ovary syndrome (PCOS). The objective of this study was to assess the effects of magnesium-zinc-calcium-vitamin D co-supplementation on glycemic control and markers of cardio-metabolic risk in women with PCOS. METHODS: Sixty PCOS women were randomized into two groups and treated with 100 mg of magnesium, 4 mg of zinc, 400 mg of calcium plus 200 IU of vitamin D supplements (n = 30) or placebo (n = 30) twice a day for 12 weeks...
October 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29132085/how-clear-cutting-affects-fire-severity-and-soil-properties-in-a-mediterranean-ecosystem
#7
Marcos Francos, Paulo Pereira, Jorge Mataix-Solera, Victoria Arcenegui, Meritxell Alcañiz, Xavier Úbeda
Forest management practices in Mediterranean ecosystems are frequently employed to reduce both the risk and severity of wildfires. However, these pre-fire treatments may influence the effects of wildfire events on soil properties. The aim of this study is to examine the short-term effects of a wildfire that broke out in 2015 on the soil properties of three sites: two exposed to management practices in different years - 2005 (site M05B) and 2015 (site M15B) - and one that did not undergo any management (NMB) and to compare their properties with those recorded in a plot (Control) unaffected by the 2015 wildfire...
November 10, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29129401/deletion-of-claudin-10-rescues-claudin-16-deficient-mice-from-hypomagnesemia-and-hypercalciuria
#8
Tilman Breiderhoff, Nina Himmerkus, Hoora Drewell, Allein Plain, Dorothee Günzel, Kerim Mutig, Thomas E Willnow, Dominik Müller, Markus Bleich
The tight junction proteins claudin-10 and -16 are crucial for the paracellular reabsorption of cations along the thick ascending limb of Henle's loop in the kidney. In patients, mutations in CLDN16 cause familial hypomagnesemia with hypercalciuria and nephrocalcinosis, while mutations in CLDN10 impair kidney function. Mice lacking claudin-16 display magnesium and calcium wasting, whereas absence of claudin-10 results in hypermagnesemia and interstitial nephrocalcinosis. In order to study the functional interdependence of claudin-10 and -16 we generated double-deficient mice...
November 10, 2017: Kidney International
https://www.readbyqxmd.com/read/29127487/towards-a-unified-understanding-of-lithium-action-in-basic-biology-and-its-significance-for-applied-biology
#9
REVIEW
Eric Jakobsson, Orlando Argüello-Miranda, See-Wing Chiu, Zeeshan Fazal, James Kruczek, Santiago Nunez-Corrales, Sagar Pandit, Laura Pritchet
Lithium has literally been everywhere forever, since it is one of the three elements created in the Big Bang. Lithium concentration in rocks, soil, and fresh water is highly variable from place to place, and has varied widely in specific regions over evolutionary and geologic time. The biological effects of lithium are many and varied. Based on experiments in which animals are deprived of lithium, lithium is an essential nutrient. At the other extreme, at lithium ingestion sufficient to raise blood concentration significantly over 1 mM/, lithium is acutely toxic...
November 10, 2017: Journal of Membrane Biology
https://www.readbyqxmd.com/read/29124638/foliar-application-with-nano-silicon-reduced-cadmium-accumulation-in-grains-by-inhibiting-cadmium-translocation-in-rice-plants
#10
Rui Chen, Changbo Zhang, Yanling Zhao, Yongchun Huang, Zhongqi Liu
Nano-silicon (Si) may be more effective than regular fertilizers in protecting plants from cadmium (Cd) stress. A field experiment was conducted to study the effects of nano-Si on Cd accumulation in grains and other organs of rice plants (Oryza sativa L. cv. Xiangzaoxian 45) grown in Cd-contaminated farmland. Foliar application with 5~25 mM nano-Si at anthesis stage reduced Cd concentrations in grains and rachises at maturity stage by 31.6~64.9 and 36.1~60.8%, respectively. Meanwhile, nano-Si application significantly increased concentrations of potassium (K), magnesium (Mg), and iron (Fe) in grains and rachises, but imposed little effect on concentrations of calcium (Ca), zinc (Zn), and manganese (Mn) in them...
November 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29123059/perovskite-in-earth-s-deep-interior
#11
REVIEW
Kei Hirose, Ryosuke Sinmyo, John Hernlund
Silicate perovskite-type phases are the most abundant constituent inside our planet and are the predominant minerals in Earth's lower mantle more than 660 kilometers below the surface. Magnesium-rich perovskite is a major lower mantle phase and undergoes a phase transition to post-perovskite near the bottom of the mantle. Calcium-rich perovskite is proportionally minor but may host numerous trace elements that record chemical differentiation events. The properties of mantle perovskites are the key to understanding the dynamic evolution of Earth, as they strongly influence the transport properties of lower mantle rocks...
November 10, 2017: Science
https://www.readbyqxmd.com/read/29122097/potential-effects-of-desalinated-seawater-on-arteriosclerosis-in-rats
#12
Lian Duan, Li Xia Zhang, Shao Ping Zhang, Jian Kong, Hong Zhi, Ming Zhang, Kai Lu, Hong Wei Zhang
To evaluate the potential risk of arteriosclerosis caused by desalinated seawater, Wistar rats were provided desalinated seawater over a 1-year period, and blood samples were collected at 0, 90, 180, and 360 days. Blood calcium, magnesium, and arteriosclerosis-related indicators were investigated. Female rats treated with desalinated seawater for 180 days showed lower magnesium levels than the control rats (P < 0.05). The calcium and magnesium levels in female rats and the magnesium level in male rats were lower than the levels in the controls, following treatment with desalinated seawater for 360 days (P < 0...
October 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29120125/risk-factors-associated-with-black-tooth-stain
#13
Katica Prskalo, Eva Klarić Sever, Ivan Alerić, Tatjana Antonić Jelić, Ivona Žaja
The aim of the study was to show whether there is any influence of food, drink or drug intake on the formation of tooth discoloration. A total of 500 patients aged 15-25 years were examined to take part in the study. Of these, 60 patients were selected and divided into two groups of 30 patients each. Group 1 included patients with black pigmentation on vestibular/oral tooth surfaces. Group 2 included patients without discoloration (control). Data were recorded in a questionnaire. Atomic absorption spectrometry was used to determine elements in discoloration samples...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29119879/magnesium-and-zinc-borate-enhance-osteoblastic-differentiation-of-stem-cells-from-human-exfoliated-deciduous-teeth-in-vitro
#14
Yao-Jen Liu, Wen-Ta Su, Po-Hung Chen
Various biocompatible and biodegradable scaffolds blended with biochemical signal molecules with adequate osteoinductive and osteoconductive properties have attracted significant interest in hard tissue engineering regeneration. We evaluated the distinct effects of magnesium borate, zinc borate, and boric acid blended into chitosan scaffold for osteogenic differentiation of stem cells from exfoliated deciduous teeth. Stem cells from exfoliated deciduous teeth cells are a potential source of functional osteoblasts for applications in bone tissue engineering, but the efficiency of osteoblastic differentiation is low, thereby significantly limiting their clinical applications...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29114205/biometal-dyshomeostasis-and-toxic-metal-accumulations-in-the-development-of-alzheimer-s-disease
#15
REVIEW
Yong Li, Qian Jiao, Huamin Xu, Xixun Du, Limin Shi, Fengju Jia, Hong Jiang
Biometal dyshomeostasis and toxic metal accumulation are common features in many neurodegenerative disorders, including Alzheimer's disease (AD), Parkinson's disease, and Huntington's disease. The neurotoxic effects of metal imbalance are generally associated with reduced enzymatic activities, elevated protein aggregation and oxidative stress in the central nervous system, in which a cascade of events lead to cell death and neurodegeneration. Although the links between biometal imbalance and neurodegenerative disorders remain elusive, a major class of endogenous proteins involved in metal transport has been receiving increasing attention over recent decades...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29114148/the-enzymes-and-electrolytes-profiles-in-hydatid-cyst-fluid-of-naturally-infected-iranian-domestic-ruminants
#16
Mohammad Yakhchali, Siamak Asri-Rezaie, Saeid Samimirad, Hadi Rezaie
Cystic echinoccoccosis is a zoonotic and prevalent disease which causes health problems and economic looses worldwide. The biochemical components of hydatid cyst fluid (HCF) have important role in metabolism and growth of unilocular hydatid cyst. The aim of the current study was to determine HCF level of enzymes and electrolytes profiles in naturally infected Iranian domestic ruminants. The livers and lungs infected with hydatid cysts were collected and HCF was aspirated from a total of 100 cysts obtained from livers (50 cysts) and lungs (50 cysts) of slaughtered domestic ruminants...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29113038/micronutrient-dietary-intake-in-latina-pregnant-adolescents-and-its-association-with-level-of-depression-stress-and-social-support
#17
Angelie Singh, Caroline Trumpff, Jeanine Genkinger, Alida Davis, Marisa Spann, Elizabeth Werner, Catherine Monk
Adolescent pregnant women are at greater risk for nutritional deficits, stress, and depression than their adult counterparts, and these risk factors for adverse pregnancy outcomes are likely interrelated. This study evaluated the prevalence of nutritional deficits in pregnant teenagers and assessed the associations among micronutrient dietary intake, stress, and depression. One hundred and eight pregnant Latina adolescents completed an Automated Self-Administered 24-hour dietary recall (ASA24) in the 2nd trimester...
November 4, 2017: Nutrients
https://www.readbyqxmd.com/read/29109962/micronutrient-intake-in-a-cohort-of-italian-adults-with-type-1-diabetes-adherence-to-dietary-recommendations
#18
Marisa Giorgini, Marilena Vitale, Lutgarda Bozzetto, Ornella Ciano, Angela Giacco, Anna Rivieccio, Ilaria Calabrese, Gabriele Riccardi, Angela A Rivellese, Giovanni Annuzzi
Micronutrients are of fundamental importance in maintaining health status. However, data on their dietary intake are few particularly in persons with diabetes. The aim of this study was to evaluate in adults with type 1 diabetes (T1DM) attending a tertiary-level diabetes center in Southern Italy the intake of micronutrients (both vitamins and minerals) and the adherence to recommendations. Seven-day food records of 60 T1DM patients were analyzed. Micronutrient intake was evaluated based on the Italian food composition tables and expressed as amount per 1000 kcal of energy intake to adjust for possible underreporting...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29102377/-evaluation-of-antilithiasic-oxalo-calcic-and-magnesium-ammonium-phosphate-effect-of-erica-multiflora-l-aqueous-extract
#19
C Sadki, F Atmani
OBJECTIVE: In Morocco, as in many countries, a large number of patients use medicinal plants to treat their disease including urinary lithiasis. The aim of the present work is to study the antilithiasic effect of Erica multiflora aqueous extract, purported for its antilithiasic effect in the oriental region of Morocco. METHODS: E. multiflora aqueous extract was studied in two oxalo-calcic models of rats rendered experimentally lithiasic. Urinary biochemistry parameters were measured and histological slides of kidneys were analyzed...
November 1, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/29102139/short-communication-supplementation-of-colostrum-and-milk-with-5-hydroxy-l-tryptophan-affects-immune-factors-but-not-growth-performance-in-newborn-calves
#20
Lorenzo E Hernández-Castellano, Ranya Özçelik, Laura L Hernandez, Rupert M Bruckmaier
In ruminants, colostrum is the main source of immunoglobulins for the newborn animal, conferring immune protection until the immune system becomes active and able to synthesize its own immunoglobulins. Serotonin (5-HT), a biogenic amine derived from tryptophan, has stimulatory effects on many physiological processes, including components of the innate (mastocytes, eosinophils, and natural killer cells) and adaptive (T and B lymphocytes) immune systems. Based on the known effects of 5-HT on the immune system, we hypothesized that increased concentrations of 5-HT, through administration of its precursor 5-hydroxy-l-tryptophan (5-HTP), may positively affect development of the calf's immune system and therefore support health and growth performance during the first weeks of life...
October 25, 2017: Journal of Dairy Science
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