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Biological Trace Element Research

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https://www.readbyqxmd.com/read/29354851/correction-to-biomonitoring-of-trace-metals-in-the-keban-dam-reservoir-turkey-using-mussels-unio-elongatulus-eucirrus-and-crayfish-astacus-leptodactylus
#1
Memet Varol, Muhammet Raşit Sünbül
The original version of this article contained mistakes: the units mg/kg-1 and μg/kg-1 found on tables 1, 2, 4, 5 and 6 should be mg kg-1 and μg kg-1, respectively.
January 22, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29349677/mercuric-chloride-induced-ovarian-oxidative-stress-by-suppressing-nrf2-keap1-signal-pathway-and-its-downstream-genes-in-laying-hens
#2
Yan Ma, Mingkun Zhu, Liping Miao, Xiaoyun Zhang, Xinyang Dong, Xiaoting Zou
The present study evaluated the effects of mercury chloride (HgCl2) on follicular atresia rate, sex hormone secretion, and ovarian oxidative stress in laying hens. Antioxidant enzyme genes and the nuclear factor erythroid 2-related factor 2 (Nrf2)-Kelch-like ECH-associated protein 1 (Keap1) signal pathway were further studied to uncover the molecular mechanism. A total of 768 40-week-old Hy-Line Brown laying hens were randomly allocated to four treatments with eight pens per treatment and 24 hens of each pen...
January 18, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29349676/environment-friendly-synthesis-of-trace-element-zn-sr-and-f-codoping-hydroxyapatite-with-non-cytotoxicity-and-improved-osteoblast-proliferation-and-differentiation
#3
Shengjie Xiao, Ming Wang, Liping Wang, Yingchun Zhu
Hydroxyapatite (HAp, Ca10[PO4]6[OH]2) doped with numerous trace elements possesses sensational biochemical effects in natural bones. To study the biochemical function of Zn, Sr, and F elements, a series of neoteric HAp biomaterials with Zn, Sr, and F concentrations close to natural bones are firstly synthesized by one-pot hydrothermal method. These materials are characterized through powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscope (SEM). All the synthesized materials are HAp phase...
January 18, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29344818/dietary-chromium-picolinate-supplementation-affects-growth-whole-body-composition-and-gene-expression-related-to-glucose-metabolism-and-lipogenesis-in-juvenile-blunt-snout-bream-megalobrama-amblycephala
#4
Mingchun Ren, Ahmed Mokrani, Hualiang Liang, Ke Ji, Jun Xie, Xianping Ge, Bo Liu
An 11-week feeding trial was carried out to investigate the effects of supplemented chromium picolinate (Cr-Pic) on the growth, whole-body composition, and relative mRNA expression related to lipogenesis and glucose metabolism in juvenile blunt snout bream. Seven isonitrogenous and isoenergetic diets with graded Cr supplementation levels were fed to triplicate groups. The final weight (FW), feed conversion ratio (FCR), and specific growth rate (SGR) were improved with increasing dietary Cr supplementation levels up to 0...
January 18, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29344817/the-content-of-mercury-in-herbal-dietary-supplements
#5
Barbara Brodziak-Dopierała, Agnieszka Fischer, Wioletta Szczelina, Jerzy Stojko
The dietary supplement market in Poland has been growing rapidly, and the number of registered products and their consumption increases steadily. Among the most popular and the easiest to get are herbal supplements, available in any supermarket. The aim of this paper was to investigate the mercury content in the herbal supplements. The dietary supplements that have been examined (24) are available on the Polish market and contain one or more herbal ingredients. Supplements were pulverized in porcelain mortar and identified by AMA 254 atomic absorption spectrometer...
January 17, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29340859/comparative-proteomics-of-chromium-transformed-beas-2b-cells-by-2d-dige-and-maldi-tof-tof-ms
#6
Jian Lu, Miaomiao Tang, Yi Liu, Jin Wang, Zhanao Wu
Chromium (Cr) is a highly toxic, common heavy metal used in industrial production. There are two types of Cr in nature: hexavalent chromium (Cr(VI)) and chromium trichloride (Cr(III)). Cr(III) is involved in the metabolism of sugars and lipids, whereas Cr(VI) is absorbed through the respiratory tract and skin and generates free radicals that result in secondary toxicity. Cr(VI) leads to cancer in the occupational population and is therefore recognized as a human carcinogen by the International Agency for Research on Cancer...
January 16, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29335828/low-but-not-high-doses-of-copper-sulfate-impair-synaptic-plasticity-in-the-hippocampal-ca1-region-in-vivo
#7
Abolfazl Jand, Mohammad Reza Taheri-Nejad, Masoumeh Mosleh, Mohammad Reza Palizvan
Previous studies have shown the inhibitory effect of the in vitro application of copper sulfate on hippocampal long-term potentiation. While in vivo administration of copper did not affect spatial learning and memory. To find possible answers to this controversial issue, we evaluate the effect of different doses of copper sulfate on in vivo long-term potentiation, synaptic transmission, and paired-pulse behavior of CA1 pyramidal cells. Thirty-two male Wistar rats were divided into four groups: control, 5, 10, and 15 mg of copper sulfate...
January 15, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29332268/methylmercury-intoxication-promotes-metallothionein-response-and-cell-damage-in-salivary-glands-of-rats
#8
Leidiane Alencar de Oliveira Lima, Leonardo Oliveira Bittencourt, Bruna Puty, Rafael Monteiro Fernandes, Priscila Cunha Nascimento, Marcia Cristina Freitas Silva, Sérgio Melo Alves-Junior, João de Jesus Viana Pinheiro, Rafael Rodrigues Lima
Environmental and occupational mercury exposure is considered a major public health issue. Despite being well known that MeHg exposure causes adverse effects in several physiologic functions, MeHg effects on salivary glands still not completely elucidated. Here, we investigated the cellular MeHg-induced damage in the three major salivary glands (parotid, submandibular, and sublingual) of adult rats after chronic, systemic and low doses of MeHg exposure. Rats were exposed by 0.04 mg/kg/day over 60 days. After that, animals were euthanized and all three glands were collected...
January 14, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29330823/metal-concentrations-in-tissues-of-gadwall-and-common-teal-from-miankaleh-and-gomishan-international-wetlands-iran
#9
Mohammad-Hosein Sinkakarimi, Lukasz J Binkowski, Mehdi Hassanpour, Ghasem Rajaei, Mohsen Ahmadpour, Jeffrey M Levengood
Miankaleh and Gomishan International Wetlands are important wintering areas for waterbirds in the Caspian Sea region. Previous studies revealed increased exposure to metals in some species of waterbirds using these wetlands. In this study, we examined concentrations of cadmium (Cd), chromium (Cr), iron (Fe), lead (Pb), and zinc (Zn) in kidneys, liver, and pectoral muscle of wintering Gadwall (Anas strepera) and Common Teal (Anas crecca) collected in 2012. In addition, we measured concentrations of these elements in water and sediments from the collection sites...
January 13, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29322430/serum-copper-homeostasis-in-hypertensive-intracerebral-hemorrhage-and-its-clinical-significance
#10
Ming Han, Shan Ding, Yuan Zhang, Zhexuan Lin, Kangsheng Li
This study was to investigate the alterations of serum copper homeostasis after hypertensive intracerebral hemorrhage (ICH), which is not yet clear. We recruited 85 hypertensive ICH patients and determined their serum levels of total copper (TCu), small molecule copper (SMC), and ceruloplasmin (Cp). Sera from 32 healthy persons and 12 primary hypertension patients were collected and analyzed as well. Serum TCu levels in ICH patients were tested at three time points (on admission, day 3, and day 7) and found to be higher than that in hypertension patients (p < 0...
January 11, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29322429/comment-on-serum-hepcidin-and-soluble-transferrin-receptor-in-the-assessment-of-iron-metabolism-in-children-on-a-vegetarian-diet
#11
LETTER
Piotr Rzymski, Tomas Ganz
No abstract text is available yet for this article.
January 10, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29307112/the-influences-of-chromium-supplementation-on-glycemic-control-markers-of-cardio-metabolic-risk-and-oxidative-stress-in-infertile-polycystic-ovary-syndrome-women-candidate-for-in-vitro-fertilization-a-randomized-double-blind-placebo-controlled-trial
#12
Mehri Jamilian, Shahrzad Zadeh Modarres, Mehrnush Amiri Siavashani, Maryam Karimi, Alireza Mafi, Vahidreza Ostadmohammadi, Zatollah Asemi
This study was carried out to investigate the effects of chromium intake on glycemic control, markers of cardio-metabolic risk, and oxidative stress in infertile polycystic ovary syndrome (PCOS) women candidate for in vitro fertilization (IVF). This randomized double-blind, placebo-controlled trial was done among 40 subjects with infertile PCOS candidate for IVF, aged 18-40 years old. Individuals were randomly allocated into two groups to take either 200 μg/day of chromium (n = 20) or placebo (n = 20) for 8 weeks...
January 6, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29302869/lanthanum-induced-mucosal-alterations-in-the-stomach-lanthanum-gastropathy-a-comparative-study-using-an-animal-model
#13
Kei Yabuki, Joji Haratake, Yojiro Tsuda, Eisuke Shiba, Hiroshi Harada, Kenji Yorita, Kazuyoshi Uchihashi, Atsuji Matsuyama, Keiji Hirata, Masanori Hisaoka
Lanthanum (La) carbonate (LC) is one of the most potent phosphate binders that prevents the elevation of serum phosphate levels in patients with end-stage renal diseases undergoing dialysis. LC binds strongly to dietary phosphate and forms insoluble complexes that pass through the gastrointestinal tract. La deposition in patients treated with LC is a recently documented finding particularly observed in gastric mucosa. We herein describe the detailed gastric mucosal lesions in 45 LC-treated patients and address the potential underlying pathologic mechanism using oral LC administration in rats...
January 4, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29302868/the-adverse-effects-of-se-toxicity-on-inflammatory-and-immune-responses-in-chicken-spleens
#14
Yachao Wang, Li Jiang, Jian He, Mao Hu, Fankun Zeng, Yuanfeng Li, He Tian, Xuegang Luo
Selenium (Se) is an essential trace element, but excessive intake of Se could induce Se poisoning, and result in various health problems. NF-κB regulated many molecules of the immune response and the inflammatory response, and Th1/Th2 balance played a key in the regulation of immune response. The aim of this study is to investigate the role of NF-κB pathway and Th1/Th2 imbalance in the adverse influence of Se poisoning on chicken spleens. In the current study, 90 chickens were randomly divided into two groups (n = 45 per group)...
January 4, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29299829/biomonitoring-of-trace-metals-in-the-keban-dam-reservoir-turkey-using-mussels-unio-elongatulus-eucirrus-and-crayfish-astacus-leptodactylus
#15
Memet Varol, Muhammet Raşit Sünbül
Freshwater mussels and crayfish are commonly used as biomonitors of trace metals. In the present study, the concentrations of ten metals were determined in mussels (Unio elongatulus eucirrus) and crayfish (Astacus leptodactylus) collected from the Keban Dam Reservoir in Turkey. The significant spatial differences in concentrations of studied metals except As in mussels were not found. However, Co, Cr, Cu, and Zn concentrations in mussels and As, Co, Cu, Fe, Pb, and Zn concentrations in crayfish showed significant seasonal differences...
January 3, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29294227/acute-and-cumulative-effects-of-unmodified-50-nm-nano-zno-on-mice
#16
Tao Kong, Shu-Hui Zhang, Ji-Liang Zhang, Xue-Qin Hao, Fan Yang, Cai Zhang, Zi-Jun Yang, Meng-Yu Zhang, Jie Wang
Nanometer zinc oxide (nano-ZnO) is widely used in diverse industrial and agricultural fields. Due to the extensive contact humans have with these particles, it is crucial to understand the potential effects that nano-ZnO have on human health. Currently, information related to the toxicity and mechanisms of nano-ZnO is limited. The aim of the present study was to investigate acute and cumulative toxic effects of 50-nm unmodified ZnO in mice. This investigation will seek to establish median lethal dose (LD50), a cumulative coefficient, and target organs...
January 2, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29290051/protective-effects-of-selenium-on-cyclophosphamide-induced-oxidative-stress-and-kidney-injury
#17
Sibel Gunes, Varol Sahinturk, Sema Uslu, Adnan Ayhanci, Sedat Kacar, Ruhi Uyar
Cyclophosphamide (CP) is a common anticancer drug, but its use in cancer treatment is limited due to its severe toxicities induced mainly by oxidative stress in normal cells. Reactive oxygen species (ROS) lead to multiple organ injuries, including the kidneys. Selenium (Se) is a nutritionally essential trace element with antioxidant properties. In the present study, the possible protective effect of Se on CP-induced acute nephrotoxicity was investigated. Forty-two Sprague-Dawley rats were equally divided into six groups of seven rats in each...
December 30, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29285723/the-divalent-elements-changes-in-early-stages-of-chronic-kidney-disease
#18
Wan-Ju Kung, Ching-Tang Shih, Chien-Hung Lee, Ching-Chiang Lin
As the glomerular filtration rate (GFR) decreases, it can cause imbalance in some divalent elements. These imbalances can cause increased oxidative stress in patients with renal impairment. The aim of present study was to investigate the changes of these divalent elements with CKD progression. One hundred and ninety-four patients with chronic kidney diseases (CKD) were divided into five stages, stage 1, 2, 3a, 3b, 4, and were recruited into this study. The divalent elements, calcium, magnesium, phosphorus, as well as iron, zinc, and copper were determined in clinical chemistry analyzer...
December 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29285722/determination-of-heavy-metals-in-almonds-and-mistletoe-as-a-parasite-growing-on-the-almond-tree-using-icp-oes-or-icp-ms
#19
Veysi Kamar, Rukiye Dağalp, Mustafa Taştekin
In this study, the elements of Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Mo, Ni, Sr, Pb, Ti, and Zn were determined in the leaves, fruits, and branches of mistletoe, (Viscum albüm L.), used as a medicinal plant, and in the leaves, branches and barks of almond tree which mistletoe grows on. The aim of the study is to investigate whether the mistletoe are more absorbent than the almond tree in terms of the heavy metal contents and the determination of the amount of the elements penetrated into the mistletoe from the almond tree...
December 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29282618/hair-mineral-and-trace-element-contents-as-reliable-markers-of-nutritional-status-compared-to-serum-levels-of-these-elements-in-children-newly-diagnosed-with-inflammatory-bowel-disease
#20
Jin Min Cho, Hye Ran Yang
Patients with inflammatory bowel disease (IBD) are at high risk for nutritional deficiencies because of long-term inflammation in the gut mucosa and decreased oral intake. Because inflammation responses affect serum micronutrient concentrations, serum levels are limited in reflecting body nutrient status in acute and chronic illness. We investigated the usefulness of measuring trace elements in hair as reliable markers of nutritional status compared to serum levels in children with IBD. We retrospectively analyzed pediatric patients newly diagnosed with Crohn's disease (n = 49) and ulcerative colitis (n = 16) and controls (n = 29) from 2012 to 2016...
December 27, 2017: Biological Trace Element Research
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