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Journal of Trace Elements in Medicine and Biology

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https://www.readbyqxmd.com/read/29970283/analysis-of-lead-and-cadmium-in-cereal-products-and-duplicate-diets-of-a-small-group-of-selected-brisbane-children-for-estimation-of-daily-metal-exposure
#1
Ujang Tinggi, Niikee Schoendorfer
Exposure to toxic metals such as lead (Pb) and cadmium (Cd) from foods is a concern for young children. The aims of the study were to analyse the levels of Pb and Cd in breakfast cereals, rice products and diets of selected children, and to estimate the daily intakes of Pb and Cd in these children. The samples (n = 82) of ready-to-eat breakfast cereals and rice products (n = 36) were collected and obtained from various markets in Brisbane, Australia. The samples for a duplicate diet study were collected for 3 consecutive days from normal healthy children (n = 15)...
June 28, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29954652/assessment-of-hair-metal-levels-in-aluminium-plant-workers-using-scalp-hair-icp-drc-ms-analysis
#2
Anatoly V Skalny, Galina A Kaminskaya, Tatyana I Krekesheva, Sholpan K Abikenova, Margarita G Skalnaya, Anatoly T Bykov, Alexey A Tinkov
The objective of the present study was to assess the level of aluminium and toxic metals in hair of workers occupationally exposed to aluminium. 124 employees of the aluminium plant working in the hydrometallurgical (n = 43) and sintering units (n = 41), as well as 40 occupationally nonexposed controls were examined. Hair aluminium (Al), arsenic (As), beryllium (Be), cadmium (Cd), mercury (Hg), nickel (Ni), lead (Pb), and tin (Sn) content was assessed using inductively-coupled plasma mass spectrometry...
June 20, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29914723/heavy-metals-as-criteria-of-health-and-ecological-well-being-of-the-urban-environment
#3
N V Stepanova, S F Fomina, E R Valeeva, A I Ziyatdinova
The study of the content of Pb, Cd, Ni, Zn, Mn, Cr, and Cu in biological media (the hair) of children living in the zones of the city of Kazan with different pollution levels was carried out. The identification of the zones in the city of Kazan was performed on the basis of the snow cover and soils pollution with heavy metals, which are natural accumulators of chemical substances and heavy metals (HM). Statistically significant differences (р < 0.01) in the content of certain metals in the hair, lead and cadmium in particular, were revealed in children living in the technologically polluted zone (Teplocontrol)...
May 29, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29929926/effects-of-feeding-pregnant-beef-cows-selenium-enriched-alfalfa-hay-on-passive-transfer-of-ovalbumin-in-their-newborn-calves
#4
K Denise Apperson, William R Vorachek, Brian P Dolan, Gerd Bobe, Gene J Pirelli, Jean A Hall
Intestinal absorption of immunoglobulins is critical for health and survival of newborn calves because there is no transfer of immunoglobulins in utero. The objective of this study was to determine if feeding beef cows Se-enriched alfalfa hay during the last trimester of gestation improves passive transfer of ovalbumin (OVA), a surrogate protein marker for IgG absorption. Control cows (n = 15) were fed non-Se-fortified alfalfa hay (5.3 mg Se/head daily) plus a mineral supplement containing inorganic Se (3 mg Se/head daily)...
May 26, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773469/the-effect-of-the-deuterium-depleted-water-on-the-biological-activity-of-the-eukaryotic-cells
#5
A V Syroeshkin, N V Antipova, A V Zlatska, I A Zlatskiy, M D Skylska, T V Grebennikova, V V Goncharuk
Here we show the dependence of the unicellular biosensor S.ambigua lifespan on the water D/H isotopic composition. This dependence is bell-shaped with descents both in case of deficiency or excess of deuterium in water. The influence of the water D/H isotopic composition on the cell culture proliferative potential and colony forming efficiency in vitro was tested on the human dermal fibroblasts. We observed that the deuterium depleted water stimulates cell colony formation at the early passages. The dynamics of the cell doubling index in the deuterium depleted water-based growth medium showed higher proliferation potential compared to the water with normal isotopic composition...
May 14, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773468/determination-of-vitamin-b-12-in-equine-urine-by-liquid-chromatography-inductively-coupled-plasma-mass-spectrometry
#6
Ross Wenzel, Derek Major, Karly Hesp, Philip Doble
Regulating authorities in the racing industry have restricted the administration of potentially performance enhancing cobalt salts to horses. There are severe penalties for trainers presenting horses with elevated urine cobalt concentrations, and compliance is ensured via analysis of total urinary cobalt at thresholds of 100 μg/L. When cobalt is present as part of the cobalamin molecule it is not considered performance enhancing. This paper demonstrates that a horse can excrete a significant proportion of a commercially available vitamin B12 injection in urine without metabolic modification...
May 9, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29731309/trace-element-levels-are-associated-with-neuroinflammatory-markers-in-children-with-autistic-spectrum-disorder
#7
Anatoly V Skalny, Natalia V Simashkova, Anastasia A Skalnaya, Tatiana P Klyushnik, Irina V Zhegalova, Andrei R Grabeklis, Margarita G Skalnaya, Alexey A Tinkov
The objective of the present study was to estimate the association between brain inflammatory markers and serum trace element levels as assessed by inductively coupled plasma mass spectrometry at NexION 300D. Leukocyte elastase (LE), α1-proteinase inhibitor (α1-PI) activity, anti-nerve growth factor-antibodies (anti-NGF-Ab), and anti-myelin basic protein-antibodies (anti-MBP-Ab) levels were assessed as inflammatory markers. The obtained data demonstrate that the increase in LE and α1-PI activity is associated with higher serum Cr and Cu levels, respectively...
April 27, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29709337/corrigendum-to-the-importance-of-boron-in-biological-systems-j-trace-elem-med-biol-45-2018-156-162
#8
Irem Uluisik, Huseyin Caglar Karakaya, Ahmet Koc
No abstract text is available yet for this article.
April 27, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29728300/feasibility-of-measuring-zinc-in-human-nails-using-portable-x-ray-fluorescence
#9
David E B Fleming, Stephen R Bennett, Christopher J Frederickson
A variety of adverse health effects have been identified as resulting from zinc deficiency. Zinc supplementation may therefore be indicated for certain individuals or populations. A rapid and straightforward means of assessing zinc status in humans would be of considerable medical benefit. In this study, the feasibility of measuring zinc levels in human fingernails or toenails using a portable x-ray fluorescence technique was assessed. Whole nail models (or phantoms) were constructed from resin, and dosed with various concentrations of zinc...
April 26, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29735327/bactericidal-assessment-of-nano-silver-on-emerging-and-re-emerging-human-pathogens
#10
Samir A Anuj, Harsukh P Gajera, Darshna G Hirpara, Baljibhai A Golakiya
With the threat of the growing number of bacteria resistant to antibiotics, the re-emergence of previously deadly infections and the emergence of new infections, there is an urgent need for novel therapeutic agent. Silver in the nano form, which is being used increasingly as antibacterial agents, may extend its antibacterial application to emerging and re-emerging multidrug-resistant pathogens, the main cause of nosocomial diseases worldwide. In the present study, a completely bottom up method to prepare green nano-silver was used...
April 24, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29716762/plasma-zinc-in-institutionalized-elderly-individuals-relation-with-immune-and-cardiometabolic-biomarkers
#11
Márcia Cristina Sales, Larissa Praça de Oliveira, Natalia Louise de Araújo Cabral, Sara Estéfani Soares de Sousa, Maria das Graças Almeida, Telma Maria Araújo Moura Lemos, Clélia de Oliveira Lyra, Kenio Costa de Lima, Karine Cavalcanti Mauricio Sena-Evangelista, Lucia de Fatima Campos Pedrosa
Changes in zinc metabolism caused by aging and the institutionalization process may contribute to zinc deficiency in elderly individuals. Hypozincemia results in changes in glycemic, lipid, and inflammatory profiles. The aim of this study was to evaluate plasma zinc concentrations and their relationships with sociodemographic, dietary, inflammatory, and cardiometabolic biomarkers in institutionalized elderly individuals. A cross-sectional study was carried out including 255 elderly adults living in nursing homes...
April 24, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29706452/comparative-effects-of-meso-2-3-dimercaptosuccinic-acid-monensin-and-salinomycin-on-the-concentrations-of-cadmium-and-some-essential-elements-in-skeletal-muscles-of-cd-exposed-mice
#12
Yordanka Gluhcheva, Kalina Kamenova, Petar Dorkov, Yulia Lobanova, Margarita Skalnaya, Juliana Ivanova
Cadmium (Cd) is an environmental pollutant shown to induce multi organ dysfunction. In this study we present novel data about the effects of meso-2,3-dimercaptosuccinic acid (DMSA), monensin and salinomycin on the concentration of Cd in skeletal muscles of mice exposed to Cd (II) acetate treatment for 14 days. The impact of Cd and the chelating agents on the endogenous concentrations of calcium (Ca), copper (Cu), iron (Fe), magnesium (Mg), phosphorous (P), selenium (Se) and zinc (Zn) was also investigated. Subacute exposure of mice to Cd (II) acetate resulted in a significant accumulation of the toxic metal ion in the skeletal muscles compared to the untreated controls...
April 20, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29704998/selenoprotein-p-as-the-major-transporter-for-mercury-in-serum-from-methylmercury-poisoned-rats
#13
Yang Liu, Wei Zhang, Jiating Zhao, Xiaoying Lin, Jiamei Liu, Liwei Cui, Yuxi Gao, Tian-Lan Zhang, Bai Li, Yu-Feng Li
Selenium (Se) has been found to promote weight gain, decrease hepatic damage, but redistribute mercury (Hg) in brains and livers in methylmercury (MeHg)-poisoned rats. The aims of the present work were to examine the effects of Se on the levels of Hg in serum and the role of serum selenoproteins in binding with Hg in MeHg-poisoned rats. The concentration of Se, Hg and MeHg were studied using ICP-MS and CVAFS. The Hg- and Se-binding selenoproteins were separated and quantified using affinity chromatography with post-column isotope dilution analysis using both enriched 78 Se and 199 Hg...
April 18, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895379/evaluation-of-the-uptake-storage-and-cell-effects-of-nano-iron-in-enterocyte-like-cell-models
#14
Daniel Turiel-Fernández, Jörg Bettmer, Maria Montes-Bayón
The therapy with nanocompounds is widely used to treat Fe deficiency and an emerging trend to inhibit tumor growth. The present work aims to address the management of different FeONP, comparing sucrose covered FeONP and Fe nanoparticles in the form of the ferritin with non-particulated inorganic Fe (II) by enterocytes-like colon cancer cell lines (Caco-2 and HT-29). Iron uptake results revealed significantly higher Fe incorporation in the case of nanoparticulated Fe, first in the form of FeONP and second in the form of ferritin with respect to inorganic Fe (II)...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895378/effect-of-anti-rheumatic-treatment-on-selenium-levels-in-inflammatory-arthritis
#15
Gia Deyab, Ingrid Hokstad, Jan Aaseth, Milada Cvancarova Småstuen, Jon Elling Whist, Stefan Agewall, Torstein Lyberg, Dag Tveiten, Gunnbjorg Hjeltnes, Kazem Zibara, Ivana Hollan
OBJECTIVES: The reason for increased cardiovascular risk in inflammatory arthritis (IA) is unclear. Interestingly, selenium-deficiency is suspected to contribute to the development of cardiovascular disease (CVD) in the general population. Although the reference range of serum selenium (s-selenium) is 50-120 μg/L, there are indications that levels up to 85 μg/L might not be sufficient for optimal cardioprotection. Our aim was to examine s-selenium levels in rheumatoid arthritis (RA), psoriatic arthritis (PsA) and ankylosing spondylitis (AS), to evaluate the effect of anti-rheumatic treatment on s-selenium levels, and to assess relationships between s-selenium levels and clinical and laboratory parameters including markers of disease activity and CVD risk...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895377/zinc-aspartate-suppresses-proliferation-and-th1-th2-th17-cytokine-production-of-pre-activated-human-t-cells-in-vitro
#16
Karina Guttek, Linda Wagenbrett, Annegret Reinhold, Kurt Grüngreiff, Dirk Reinhold
The essential trace element zinc, necessary for many biological processes of living organisms, plays a regulatory role in the maintenance of immune functions. Zinc deficiency affects components of both the innate and the adaptive immune system. On the other side, zinc is capable of suppressing activation and proliferation of human T cells. In the present study, we investigated the effect of zinc aspartate (Unizink® ), an approved drug to treat zinc deficiency, on pre-activated human T cells (T cell blasts) in vitro...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895376/effect-of-various-calcium-salts-on-non-heme-iron-bioavailability-in-fasted-women-of-childbearing-age
#17
Valeria Candia, Israel Ríos-Castillo, Frank Carrera-Gil, Berta Vizcarra, Manuel Olivares, Sotiris Chaniotakis, Fernando Pizarro
INTRODUCTION: Micronutrient deficiencies are one of the most important public health issues worldwide and iron (Fe) deficiency anemia is the most prevalent micronutrient deficiency. Iron deficiency often coexists with calcium deficiency and iron and calcium supplementation often overlap. This has led to investigations into the interaction between these two minerals, and whether calcium may inhibit iron absorption in the gut. OBJECTIVE: To determine the effect of various calcium salts on non-heme iron bioavailability in fasted women of childbearing age...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895375/obesity-diabetes-and-zinc-a-workshop-promoting-knowledge-and-collaboration-between-the-uk-and-israel-november-28-30-2016-israel
#18
EDITORIAL
Alicia Jenkins, Imre Lengyel, Guy A Rutter, Nicola Lowe, Iris Shai, Amir Tirosh, Tunde Petro, Mogher Khamaisi, Simon Andrews, Niv Zmora, Atan Gross, Wolfgang Maret, Eli C Lewis, Arie Moran
No abstract text is available yet for this article.
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895374/compounds-containing-trace-element-copper-or-zinc-exhibit-as-potent-hyperuricemia-inhibitors-via-xanthine-oxidase-inactivation
#19
Lan-Zhu Li, Guo-Xiu Zhou, Jia Li, Wei Jiang, Bao-Lin Liu, Wen Zhou
Compounds containing trace elements copper or zinc are potential gout and hyperuricemia suppressant by virtue of their inhibiting effect on xanthine oxidase/xanthine dehydrogenase (XOD/XDH) and anti-inflammatory and anti-oxidative function. In this study, compounds Cu(hmy-paa)·SO4 ·H2 O (simplified as CuHP) and Zn(hmy-paa)·SO4 ·H2 O (simplified as ZnHP) are synthesized, where hmy-paa stands for 3-(4-hydroxy-3-methoxyphenyl)-N-(1H-pyrazol-3-yl)acrylamide). The ligand hmy-paa is composed of functional ferulic acid and 3-aminopyrazole...
September 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29895373/selectivity-and-sensitivity-of-molybdenum-oxide-polycaprolactone-nanofiber-composites-on-skin-cancer-preliminary-in-vitro-and-in-vivo-implications
#20
Indrakumar Janani, Rachita Lakra, Manikantan Syamala Kiran, Purna Sai Korrapati
Cancer nanomedicine has emerged as a revolution in the last decade opening up promising strides for the cancer treatment. The major challenge in these therapeutic approaches resides in the failure of clinical trials owing to the immunological cancer microenvironment. Therefore, the success of next generation nanomedicine depends on tunable physicochemical nanomaterial design and corresponding clinical trials by integrating targeted delivery with mitigated toxicity. The present study deals with the fabrication of nanofibrous scaffold impregnated with molybdenum nanoparticles for targeted skin cancer therapeutics...
September 2018: Journal of Trace Elements in Medicine and Biology
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