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Biological Trace Element Research

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https://www.readbyqxmd.com/read/28432527/effects-of-agaricus-blazei-murill-polysaccharide-on-cadmium-poisoning-on-the-mda5-signaling-pathway-and-antioxidant-function-of-chicken-peripheral-blood-lymphocytes
#1
Ai Lv, Ming Ge, Xuequan Hu, Wenjing Liu, Guangxing Li, Ruili Zhang
This experimental study investigated the effect of Agaricus blazei Murill polysaccharide (ABP) on cadmium (Cd) poisoning on the melanoma differentiation-associated gene 5 (MDA5) signaling pathway and antioxidant function of peripheral blood lymphocytes (PBLs) in chickens. The experiments were divided into four groups: 7-day-old chickens with normal saline (0.2 mL single/day), Cd (140 mg/kg), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP(140 mg/kg/day + 0.2 mL ABP). Peripheral blood was collected on the 20th, 40th, and 60th days for each group, and PBLs were separated...
April 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28432526/erratum-to-how-trace-element-levels-of-public-drinking-water-affect-body-composition-in-turkey
#2
Ihsan Cetin, Mahmut Tahir Nalbantcilar, Kezban Tosun, Aydan Nazik
No abstract text is available yet for this article.
April 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28429287/protective-effect-of-selenoprotein-x-against-oxidative-stress-induced-cell-apoptosis-in-human-hepatocyte-lo2-cells-via-the-p38-pathway
#3
Jia-Yong Tang, Ai-Hua He, Gang Jia, Guang-Mang Liu, Xiao-Ling Chen, Jing-Yi Cai, Hai-Ying Shang, Jin-Qiu Liao, Hua Zhao
Oxidative stress, as mediated by ROS (reactive oxygen species), is a significant factor in initiating the cells damaged by affecting cellular macromolecules and impairing their biological functions; SelX, a selenoprotein also known as MsrB1 belonging to the methionine sulfoxide reductase (Msr) family, is the redox repairing enzyme and involved in redox-related functions. In order to more precisely analyze the relationship between oxidative stress, cell oxidative damage, and SelX, we stably overexpressed porcine Selx full-length cDNA in human normal hepatocyte (LO2) cells...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28429286/effects-of-selenium-supplementation-on-the-diabetic-condition-depend-on-the-baseline-selenium-status-in-kkay-mice
#4
Novian Febiyanto, Chiho Yamazaki, Satomi Kameo, Dian K Sari, Irma M Puspitasari, Deni K Sunjaya, Dewi M D Herawati, Gaga I Nugraha, Toshio Fukuda, Hiroshi Koyama
Oxidative stress in obesity leads to insulin resistance in type 2 diabetes. Some selenoproteins possess antioxidant properties, suggesting that selenium (Se) may protect against type 2 diabetes; however, evidence from epidemiological studies is contradictory. We hypothesized that Se status before supplementation (baseline) contributes to the supplementation outcome. This study aimed to clarify the influence of baseline Se status on the effect of Se supplementation on the diabetic condition. Six-week-old KKAy mice were fed a diet without supplemental Se or with 0...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28429285/the-organogermanium-compound-ge-132-interacts-with-nucleic-acid-components-and-inhibits-the-catalysis-of-adenosine-substrate-by-adenosine-deaminase
#5
Yasuhiro Shimada, Katsuyuki Sato, Tomoya Takeda, Yoshihiko Tokuji
Poly-trans-[(2-carboxyethyl)germasesquioxane] (Ge-132) is a water-soluble organogermanium compound that exerts various physiological effects, including anti-inflammatory activity and pain relief. In water, Ge-132 is hydrolyzed to 3-(trihydroxygermyl)propanoic acid (THGP), which in turn is capable of interacting with cis-diol compounds through its trihydroxy group, indicating that this compound could also interact with diol-containing nucleic acid constituents. In this study, we evaluated the ability of THGP to interact with nucleosides or nucleotides via nuclear magnetic resonance (NMR) analysis...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28429284/foxo1-attenuates-naf-induced-apoptosis-of-ls8-cells-through-the-jnk-and-mitochondrial-pathways
#6
Juedan Li, Lin Zhao, Xiaomeng Zhao, Peng Wang, Yan Liu, Jianping Ruan
Fluoride-induced ameloblast apoptosis is a key event in dental fluorosis development. Forkhead box o1 (Foxo1) is a transcription factor involved in cell apoptosis. The present study aims to investigate the effect of Foxo1 on ameloblast apoptosis induced by fluoride in vitro and to explore its possible mechanism. Ameloblast-like cells (LS8 cells) were exposed to various concentrations of NaF for up to 48 h. Foxo1 activation was modulated using lentiviral vectors, and cell apoptosis was measured by flow cytometry...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28424967/disparities-of-selected-metal-levels-in-the-blood-and-scalp-hair-of-ischemia-heart-disease-patients-and-healthy-subjects
#7
Asim Ilyas, Munir H Shah
Imbalances in the concentrations of trace metals have become an increasingly recognized source of infirmity worldwide particularly in the development of ischemia heart disease (IHD). Present study is intended to analyze the concentrations of Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Pb, Sr, and Zn in the blood and scalp hair of the patients and counterpart controls by flame atomic absorption spectrometry after wet-acid digestion. On the average, Cd, Co, Cr, Fe, K, Li, Mn, Na, and Pb revealed significantly elevated concentrations in the blood of the patients compared with the controls (p < 0...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28417309/effects-of-nano-zinc-on-biochemical-parameters-in-cadmium-exposed-rats
#8
Marzie Hejazy, Mohammad Kazem Koohi
Cadmium (Cd) is a toxic environmental and occupational pollutant with reported toxic effects on the kidneys, liver, lungs, bones, and the immunity system. Based on its physicochemical similarity to cadmium, zinc (Zn) shows protective effects against cadmium toxicity and cadmium accumulation in the body. Nano-zinc and nano-zinc oxide (ZnO), recently used in foods and pharmaceutical products, can release a great amount of Zn(2+) in their environment. This research was carried out to investigate the more potent properties of the metal zinc among sub-acute cadmium intoxicated rats...
April 17, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28409411/attenuating-effect-of-zinc-and-vitamin-e-on-the-intestinal-oxidative-stress-induced-by-silver-nanoparticles-in-broiler-chickens
#9
Zhigang Song, Jiadong Lv, Ardashir Sheikhahmadi, Julie Uerlings, Nadia Everaert
Silver nanoparticles (AgNPs) have been increasingly used as antimicrobial and disinfectant. However, intestinal model studies have shown that AgNPs induce oxidative stress. Hence, this study aims to investigate the effects of dietary supplemental zinc (Zn) and vitamin E (VE; α-tocopherol acetate) on attenuating AgNP-induced intestinal oxidative stress in broiler chickens. The chickens were divided into two groups as follows: (1) control group fed with a corn-soybean meal basal diet and (2) nano group, received drinking water containing 1000 mg/kg AgNPs...
April 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28409410/synergistic-cardioprotective-effects-of-combined-chromium-picolinate-and-atorvastatin-treatment-in-triton-x-100-induced-hyperlipidemia-in-rats-impact-on-some-biochemical-markers
#10
Noha M Shafik, Amal Baalash, Abla M Ebeid
Hyperlipidemia is one of the major risk factors for atherosclerosis and ischemic heart disease. Chromium (Cr) mineral is playing a crucial role in glucose and lipid homeostasis. The aim of this study was to evaluate the protective effects of combined chromium picolinate (CrPic) and atorvastatin treatment against hyperlipidemia-induced cardiac injury. Seventy-five male albino rats were divided into five groups (15 rats each). Hyperlipidemia was induced by intraperitoneal injection of a single dose of Triton X-100 (300 mg/kg body weight (b...
April 13, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28409409/hypoglycemic-and-hypolipidemic-effects-of-leucine-zinc-and-chromium-alone-and-in-combination-in-rats-with-type-2-diabetes
#11
Hassan Sadri, Negar Nowroozi Larki, Saeed Kolahian
For the increasing development of diabetes, dietary habits and using appropriate supplements can play important roles in the treatment or reduction of risk for this disease. The objective of this study was to investigate the effects of leucine (Leu), zinc (Zn), and chromium (Cr) supplementation, alone or in combination, in rats with type 2 diabetes (T2D). Seventy-seven adult male Wistar rats were randomly assigned in 11 groups, using nutritional supplements and insulin (INS) or glibenclamide (GLC). Supplementing Leu significantly reduced blood glucose, triglycerides (TG), nonesterified fatty acids (NEFA), low-density lipoprotein (LDL), and increased high-density lipoprotein (HDL) concentrations compared to vehicle-treated T2D animals, and those improvements were associated with reduced area under the 2-h blood glucose response curve (AUC)...
April 13, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28401398/evaluation-of-the-content-of-antimony-arsenic-bismuth-selenium-tellurium-and-their-inorganic-forms-in-commercially-baby-foods
#12
M Ruiz-de-Cenzano, A Rochina-Marco, M L Cervera, M de la Guardia
Baby foods, from the Spanish market and prepared from meat, fish, vegetables, cereals, legumes, and fruits, were analyzed to obtain the concentration of antimony (Sb), arsenic (As), bismuth (Bi), and tellurium (Te) as toxic elements and selenium (Se) as essential element. An analytical procedure was employed based on atomic fluorescence spectroscopy which allowed to obtain accurate data at low levels of concentration. Values of 14 commercial samples, expressed in nanograms per gram fresh weight, ranged for Sb 0...
April 11, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28396985/do-dietary-habits-influence-trace-elements-release-from-fixed-orthodontic-appliances
#13
Paulina Wołowiec, Katarzyna Chojnacka, Bartłomiej W Loster, Marcin Mikulewicz
The objective was to investigate the effect of dietary habits on the release of Cr and Ni ions from orthodontic appliances by hair mineral analysis. Patients (N = 47) underwent electronic questionnaire survey to investigate the effect of dietary habits on Cr and Ni levels in hair. The research was carried out on hair sampled at the beginning and in the 4th, 8th, and 12th months of the treatment. The content of Cr and Ni in the collected samples was determined by ICP-OES. The study showed that consumption of acidic dietary products may have the effect on increasing the release of Cr and Ni ions from orthodontic appliances...
April 11, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28396984/iodinated-tg-in-thyroid-follicles-regulate-tsh-tshr-signaling-for-nis-expression
#14
Huibin Huang, Yaxiong Shi, Bo Liang, Huiyao Cai, Qingyan Cai
Our previous research has suggested that high degree of iodinated thyroglobulin (TG) may inhibit the expression and function of sodium iodide symporter (NIS), but the underlying mechanism remains unclear. In present study, we discuss a newly constructed follicle model in vitro, which was used to simulate the follicular structure of the thyroid and explore the regulatory roles of iodinated TG in the follicular lumen on NIS expression. The results showed that both NIS expression and PKA activity were increased in lowly iodinated TG group, while decreased NIS expression with increased PKC activity was found in highly iodinated TG group...
April 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28391495/boric-acid-inhibition-of-trichophyton-rubrum-growth-and-conidia-formation
#15
Martin Schmidt
Trichophyton rubrum is a common human dermatophyte that is the causative agent of 80-93% of fungal infections of the skin and nails. While dermatophyte infections in healthy people are easily treatable with over-the-counter medications, such infections pose a higher risk for patients with compromised immune function and impaired regenerative potential. The efficacy of boric acid (BA) for the treatment of vaginal yeast infections prompted an investigation of the effect of BA on growth and morphology of T. rubrum...
April 8, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28389902/effects-of-zinc-and-n-acetylcysteine-in-damage-caused-by-lead-exposure-in-young-rats
#16
Taíse F Pedroso, Cláudia S Oliveira, Mariana M Fonseca, Vitor A Oliveira, Maria Ester Pereira
This study investigated the toxicity of rats exposed to lead acetate (AcPb) during the second phase of brain development (8-12 days postnatal) in hematological and cerebral parameters. Moreover, the preventive effect of zinc chloride (ZnCl2) and N-acetylcysteine (NAC) was investigated. Pups were injected subcutaneously with saline (0.9% NaCl solution), ZnCl2 (27 mg/kg/day), NAC (5 mg/kg/day) or ZnCl2 plus NAC for 5 days (3rd-7th postnatal days), and with saline (0.9% NaCl solution) or AcPb (7 mg/kg/day) in the five subsequent days (8th-12th postnatal days)...
April 7, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28378115/tracing-tellurium-and-its-nanostructures-in-biology
#17
REVIEW
Bijan Zare, Mohammad Nami, Ahmad-Reza Shahverdi
Tellurium (Te) is a semimetal rare element in nature. Together with oxygen, sulfur (S), and selenium (Se), Te is considered a member of chalcogen group. Over recent decades, Te applications continued to emerge in different fields including metallurgy, glass industry, electronics, and applied chemical industries. Along these lines, Te has recently attracted research attention in various fields. Though Te exists in biologic organisms such as microbes, yeast, and human body, its importance and role and some of its potential implications have long been ignored...
April 4, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28378114/effect-of-peroral-administration-of-chromium-on-insulin-signaling-pathway-in-skeletal-muscle-tissue-of-holstein-calves
#18
Ljubomir Jovanović, Marija Pantelić, Radiša Prodanović, Ivan Vujanac, Miloje Đurić, Snežana Tepavčević, Sanja Vranješ-Đurić, Goran Korićanac, Danijela Kirovski
The objective of this study was to investigate the effects of peroral administration of chromium-enriched yeast on glucose tolerance in Holstein calves, assessed by insulin signaling pathway molecule determination and intravenous glucose tolerance test (IVGTT). Twenty-four Holstein calves, aged 1 month, were chosen for the study and divided into two groups: the PoCr group (n = 12) that perorally received 0.04 mg of Cr/kg of body mass daily, for 70 days, and the NCr group (n = 12) that received no chromium supplementation...
April 4, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28361388/effects-of-ag-nanoparticles-on-growth-and-fat-body-proteins-in-silkworms-bombyx-mori
#19
Xu Meng, Nouara Abdlli, Niannian Wang, Peng Lü, Zhichao Nie, Xin Dong, Shuang Lu, Keping Chen
Ag nanoparticles (AgNPs), a widely used non-antibiotic, antibacterial material, have shown toxic and other potentially harmful effects in mammals. However, the deleterious effects of AgNPs on insects are still unknown. Here, we studied the effects of AgNPs on the model invertebrate organism Bombyx mori. After feeding silkworm larvae different concentrations of AgNPs, we evaluated the changes of B. mori body weights, survival rates, and proteomic differences. The results showed that low concentrations (<400 mg/L) of AgNPs promoted the growth and cocoon weights of B...
March 30, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28361387/excess-manganese-induced-apoptosis-in-chicken-cerebrums-and-embryonic-neurocytes
#20
Kun Zhang, Yihao Zhu, Xiaoyu Wang, Xin Zhao, Shu Li, Xiaohua Teng
There were many studies about the effect of excess manganese (Mn) on nervous system apoptosis; however, Mn-induced apoptosis in chicken cerebrums and embryonic neurocytes was unclear. The purpose of this study was to investigate the effect of excess Mn on chicken cerebrum and embryonic neurocyte apoptosis. Seven-day-old Hyline male chickens were fed either a commercial diet or three levels of manganese chloride (MnCl2)-added commercial diets containing 600-, 900-, and 1800-mg/kg-Mn diet, respectively. On the 30th, 60th, and 90th days, cerebrums were collected...
March 30, 2017: Biological Trace Element Research
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