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Biological Trace Element Research

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https://www.readbyqxmd.com/read/29130128/effect-of-cys-gsh-and-ph-on-mercury-release-from-tibetan-medicine-zuotai-%C3%AE-hgs-and-%C3%AE-hgs-in-artificial-gastrointestinal-juices
#1
Zhiyuan Zheng, Ming Zhang, Yuancan Xiao, Lixin Wei, Cen Li
Zuotai, also named as "gTso thal", a known Tibetan medicinal mixture containing insoluble cubic crystal mercuric sulfide (β-HgS), has been used to treat diseases with long history. The mercury release ratio from Zuotai in gastrointestinal environment is one determinant factor for its bioavailability and biological effect. However, the information is still scarce now. Therefore, the study was designed to investigate the effect of sulfhydryl biomolecules [L-cysteine (Cys) and glutathione (GSH)] and pH on mercury dissociation from Zuotai, β-HgS, and hexagonal crystal mercuric sulfide (α-HgS) in artificial gastrointestinal juices or pure water with a 1:100 solid-liquid ratio...
November 12, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29127548/protective-effect-of-agaricus-blazei-polysaccharide-against-cadmium-induced-damage-on-the-testis-of-chicken
#2
Yangyang Song, Ruili Zhang, Hongmei Wang, Yan Yan, Ge Ming
Cadmium (Cd) exposure can cause reproductive toxicity through oxidative stress and inflammatory response. A polysaccharide extract of the edible mushroom Agaricus blazei Murill has been isolated and exhibits antioxidant activity and immunoregulatory effect. The aim of this study was to investigate the protective role of Agaricus blazei polysaccharide (ABP) against Cd-induced damage in chicken testis through enhancing antioxidant activity and alleviating inflammatory response. One hundred twenty healthy 7-day-old Hy-Line male chickens (Harbin, China) were randomly divided into four groups, and each group consisted of 30 chickens: Normal control was fed daily with full feed and 0...
November 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29127547/the-effects-of-magnesium-and-zinc-co-supplementation-on-biomarkers-of-inflammation-and-oxidative-stress-and-gene-expression-related-to-inflammation-in-polycystic-ovary-syndrome-a-randomized-controlled-clinical-trial
#3
Faraneh Afshar Ebrahimi, Fatemeh Foroozanfard, Esmat Aghadavod, Fereshteh Bahmani, Zatollah Asemi
Magnesium and zinc are known to exert multiple beneficial effects including anti-inflammatory and antioxidant actions. To our knowledge, data on the effects of magnesium and zinc co-supplementation on biomarkers of inflammation and oxidative stress and gene expression related to inflammation in subjects of polycystic ovary syndrome (PCOS) are scarce. This study was conducted to evaluate the effects of magnesium and zinc co-supplementation on biomarkers of inflammation and oxidative stress and gene expression related to inflammation in subjects with PCOS...
November 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29119517/effect-of-application-of-fe-glycinate-chelate-in-diet-for-broiler-chickens-in-an-amount-covering-50-or-25-of-the-requirement-on-physical-morphometric-and-strength-parameters-of-tibia-bones
#4
Katarzyna Kwiatkowska, Anna Winiarska-Mieczan, Małgorzata Kwiecień
The purpose of the work was to check whether the application of Fe-glycinate chelate in mixtures fed to poultry in an amount covering 50 or 25% of the requirement would decrease the physical, morphometric and strength parameters of tibia bones in male Ross-308 broiler chickens in comparison to groups receiving Fe in an amount covering 100% of the requirement in the form of glycinate chelate or sulphate. It was found that the results for chickens from groups receiving Fe chelate covering 50 or 25% of the requirement were generally not lower than in the sulphate group and were higher than in the group receiving Fe in the amount covering 100% of the requirement...
November 9, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29098543/effect-of-chromium-nanoparticles-on-physiological-stress-induced-by-exogenous-dexamethasone-in-japanese-quails
#5
Atefeh Berenjian, Seyed Davood Sharifi, Abdollah Mohammadi-Sangcheshmeh, Shekofeh Ghazanfari
Chromium (Cr), as an essential trace element, plays a critical role in carbohydrate, protein, and lipid metabolism in animals. It has been suggested that the beneficial effects of Cr increase by environmental stresses, which lead to greater Cr effects on stressed animals. The objective of the present study was to evaluate the response of physiologically stressed Japanese quails (Coturnix japonica) to dietary chromium nanoparticle (Nano-Cr) supplementation. The stress was induced by adding dexamethasone (0.6 mg/kg BW) to Japanese quails' diet from 17 to 22 days of age...
November 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29098542/nutrient-composition-of-three-mangulica-pork-cuts-from-serbia
#6
Dragica Nikolic, Sasa Jankovic, Nenad Parunovic, Vladimir Koricanac, Nikola Stanisic, Lato Pezo, Mila Lausevic
The purpose of this study was to analyze and evaluate the levels of essential elements (Mn, Fe, Cu, Zn, and Se) and proximate composition (moisture, protein, fat, and ash) of three pork cuts (loin, hind leg, and shoulder) from free-range Mangulica pigs from Serbia. Essential elements were determined by inductively coupled plasma mass spectrometry (ICP-MS). Shoulder contained the highest levels of essential elements (Mn, 0.192 mg kg(-1); Fe, 19.550 mg kg(-1); Cu, 1.490 mg kg(-1); Zn, 44.470 mg kg(-1); and Se, 0...
November 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29094280/correction-to-mercury-exposure-protein-biomarkers-of-mercury-exposure-in-jaraqui-fish-from-the-amazon-region
#7
José Cavalcante Souza Vieira, Camila Pereira Braga, Grasieli de Oliveira, Cilene do Carmo Federici Padilha, Paula Martin de Moraes, Luiz Fabricio Zara, Aline de Lima Leite, Marília Afonso Rabelo Buzalaf, Pedro de Magalhães Padilha
In the affiliation section, Luiz Fabricio Zara's affiliation "Pontifical Catholic University of Goiás (PUC), Goiânia, GO, Brazil" was incorrect. The correct affiliation is College of Planaltina, UnB - University of Brasília, Distrito Federal, Brazil.
November 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29090375/ameliorative-effects-of-selenium-on-cadmium-induced-injury-in-the-chicken-ovary-mechanisms-of-oxidative-stress-and-endoplasmic-reticulum-stress-in-cadmium-induced-apoptosis
#8
Na Wan, Zhe Xu, Tianqi Liu, Yahong Min, Shu Li
Despite the well-established toxicity of cadmium (Cd) to animals and the ameliorative effects of selenium (Se), some specific mechanisms in the chicken ovary are not yet clarified. To explore the mechanism by which the toxicity effect of Cd is induced and explore the effect of supranutritional Se on Cd toxicity in female bird reproduction, forty-eight 50-day-old Isa Brown female chickens were divided randomly into four groups. Group I (control group) was fed the basic diet containing 0.2 mg/kg Se. Group II (Se-treated group) was fed the basic diet supplemented with sodium selenite (Na2SeO3), and the total Se content was 2 mg/kg...
October 31, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29081063/selenium-and-zinc-against-a%C3%AE-25-35-induced-cytotoxicity-and-tau-phosphorylation-in-pc12-cells-and-inhibits-%C3%AE-cleavage-of-app
#9
Guang-Zhe Li, Fang Liu, Cui Xu, Jing-Yang Li, Yan-Ji Xu
Amyloid beta (Aβ) is the main component of the amyloid plaques that accumulate in the brains of Alzheimer patients. The present study was conducted to investigate whether the combined treatment with selenium (Se) and zinc (Zn) offers more beneficial effects than that provided by either of them alone in reversing Aβ25-35-induced neurotoxicity in PC12 cells. Cells were pretreated with 0.1 μmol/L of Se and Zn for 4 h, after treated with 10 mmol/L Aβ25-35 for 24 h. Cells were divided into control and five treated groups, and received either 10 mmol/L Aβ25-35,10 mmol/L Aβ25-35 + 0...
October 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29081062/effects-of-dietary-supplementation-of-zinc-oxide-and-zinc-methionine-on-layer-performance-egg-quality-and-blood-serum-indices
#10
Mohamed E Abd El-Hack, Mahmoud Alagawany, Ayman S Salah, Mervat A Abdel-Latif, Mohamed F A Farghly
The objective of this study was to evaluate the effectiveness of dietary zinc oxide (ZnO) and zinc methionine (Zn-Met) supplementation on layer performance, quality of egg, some blood constituents, and oxidative status in blood of laying hens. A total of 120 laying hens (Hisex Brown) 22-week-old were indiscriminately allotted into five groups of 24 hens with six replications (four birds/replicate). A complete randomized design experiment was performed including control (basal diet), two levels of ZnO (50 and 100 mg/kg basal diet), and two levels of Zn-Met (50 and 100 mg/kg basal diet) through 22 to 34 weeks of age...
October 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29081061/zoledronic-acid-bevacizumab-and-dexamethasone-induced-apoptosis-mitochondrial-oxidative-stress-and-calcium-signaling-are-decreased-in-human-osteoblast-like-cell-line-by-selenium-treatment
#11
Tayfun Yazıcı, Gülperi Koçer, Mustafa Nazıroğlu, İshak Suat Övey, Ahmi Öz
Increased intracellular free calcium ion (Ca(2+)) concentration induces excessive oxidative stress and apoptosis. Medical procedures such as zoledronic acid (Zol), bevacizumab (Bev), and dexamethasone (Dex) are usually used in the treatment of bone diseases (osteoporosis, Paget's disease, etc.) and to prevent metastasis in the bone although the procedures induce osteonecrosis of the jaw through excessive production of reactive oxygen species (ROS). Recently, we observed regulator roles of selenium (Se) on apoptosis and Ca(2+) entry through transient receptor potential vanilloid 1 (TRPV1) channels in the cancer cell lines...
October 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29071456/regional-distribution-of-longevity-population-and-elements-in-drinking-water-in-jiangjin-district-chongqing-city-china
#12
Yonglin Liu, Yuyang Yuan, Kunli Luo
In order to determine the spatial variation of longevity population and elements contained in the drinking water of longevity region in Jiangjin and investigate the relationship between the elements in drinking water and longevity, population censuses on township level and 98 drinking water samples from Jiangjin District, Chongqing City in West China were collected and analyzed. Population statistics on township level showed that the number of centenarians per 100,000 inhabitants (OC), centenarity index (CI), and number of centenarians per 10,000 over 65-year-old subjects (UC) present obvious geographic distribution properties, generally Central region > Northern region > Southern region (Kruskal-Wallis test, p < 0...
October 25, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29064010/toxicity-of-copper-oxide-cuo-nanoparticles-on-human-blood-lymphocytes
#13
Evelyn Assadian, Mohammad Hadi Zarei, Ali Ghanadzadeh Gilani, Mehrzad Farshin, Hamid Degampanah, Jalal Pourahmad
CuO nanoparticles (CuO-NPs) serve several important functions in human life, particularly in the fields of medicine, engineering, and technology. These nanoparticles have been utilized as catalysts, semiconductors, sensors, gaseous and solid ceramic pigments, and magnet rotatable devices. Further use for CuO-NPs has been employed in the pharmaceutical industry especially in the production of anti-microbial fabric treatments or prevention of infections caused by Escherichia coli and methicillin-resistant Staphylococcus aureus...
October 24, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29052174/phagocytosis-deficiency-of-macrophages-in-nod-h-2-h4-mice-accelerates-the-severity-of-iodine-induced-autoimmune-thyroiditis
#14
Xue He, Chuhui Xiong, Aihua Liu, Wei Zhao, Xinghai Xia, Shiqiao Peng, Chenyan Li, Mi Zhou, Yushu Li, Xiaoguang Shi, Zhongyan Shan, Weiping Teng
Apoptosis occurs in many autoimmune diseases. Excess iodine induces thyrocyte apoptosis and increases the incidence and prevalence of autoimmune thyroiditis (AIT). However, the sequence of events between the appearance of thyrocyte apoptosis and the occurrence of thyroiditis remains uncharacterized. Furthermore, few studies have investigated the role of macrophage phagocytosis in the development of AIT. Therefore, we evaluated the relationship between apoptosis and inflammatory infiltration in NOD.H-2(h4) mouse thyroids by comparing the sequence of events in tissue samples...
October 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29052173/regulation-of-osteoblast-differentiation-and-iron-content-in-mc3t3-e1-cells-by-static-magnetic-field-with-different-intensities
#15
Jiancheng Yang, Jian Zhang, Chong Ding, Dandan Dong, Peng Shang
Many studies have indicated that static magnetic fields (SMFs) have positive effects on bone tissue, including bone formation and bone healing process. Evaluating the effects of SMFs on bone cell (especially osteoblast) function and exploring the mechanism, which is critical for understanding the possible risks or benefits from SMFs to the balance of bone remodeling. Iron and magnetic fields have the natural relationship, and iron is an essential element for normal bone metabolism. Iron overload or deficiency can cause severe bone disorders including osteoporosis...
October 19, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29047052/effects-of-zinc-oxide-nanoparticles-on-performance-egg-quality-tissue-zinc-content-bone-parameters-and-antioxidative-status-in-laying-hens
#16
Mehdi Abedini, Farid Shariatmadari, Mohammad Amir Karimi Torshizi, Hamed Ahmadi
The objective of this study was to observe the effects of dietary supplementation with zinc oxide nanoparticles (ZnO-NPs) on performance, egg quality, tissue Zn content, bone parameters, superoxide dismutase activity (SOD), and egg malondialdehyde (MDA) content in laying hens. A total of 288 laying hens at 64 weeks of age were randomly assigned to 4 treatments, 6 replicates, with 12 birds each. Experimental diets included the based diet (without Zn supplementation), and basal diet supplemented with 40, 80, and 120 mg Zn/kg from ZnO-NPs...
October 18, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29032405/agaricus-blazei-murill-polysaccharides-protect-against-cadmium-induced-oxidative-stress-and-inflammatory-damage-in-chicken-spleens
#17
Wanqiu Xie, Ai Lv, Ruyue Li, Zequn Tang, Dexing Ma, Xiaodan Huang, Ruili Zhang, Ming Ge
Agaricus blazei Murill polysaccharide (ABP) has exhibited antioxidant and immunoregulatory activity. The aim of this study was to investigate the effect of ABP on cadmium (Cd)-induced antioxidant functions and inflammatory damage in chicken spleens. In this study, groups of 7-day-old chickens were fed with normal saline (0.2 mL single/day), CdCl2 (140 mg/kg/day), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP (140 mg/kg/day + 0.2 mL ABP). Spleens were separated on the 20th, 40th, and 60th day for each group...
October 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29032404/dietary-supplementation-with-methylseleninic-acid-inhibits-mammary-tumorigenesis-and-metastasis-in-male-mmtv-pymt-mice
#18
Sneha Sundaram, Lin Yan
Male breast cancer, which makes up approximately 1% of all breast cancers, is an aggressive disease with poor prognosis. We investigated the effects of dietary supplementation with selenium in the form of methylseleninic acid [(MSeA) 2.5 mg selenium/kg] on mammary tumorigenesis in male MMTV-PyMT mice. The mammary tumor latency was 14.6 weeks for the MSeA-fed group and 13.8 weeks for the controls fed the AIN93G diet (p < 0.05). Dietary supplementation with MSeA, versus the control, resulted in a 72% reduction in tumor progression, a 46% reduction in both final volume and weight of mammary tumors, and a 70% reduction in the number of lung metastases...
October 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29027106/fas-and-mitochondria-mediated-signaling-pathway-involved-in-osteoblast-apoptosis-induced-by-alcl3
#19
Feibo Xu, Limin Ren, Miao Song, Bing Shao, Yanfei Han, Zheng Cao, Yanfei Li
Aluminum (Al) is known to induce apoptosis of osteoblasts (OBs). However, the mechanism is not yet established. To investigate the apoptotic mechanism of OBs induced by aluminum trichloride (AlCl3), the primary OBs from the craniums of fetal Wistar rats were exposed to 0 mg/mL (control group, CG), 0.06 mg/mL (low-dose group, LG), 0.12 mg/mL (mid-dose group, MG), and 0.24 mg/mL (high-dose group, HG) AlCl3 for 24 h, respectively. We observed that AlCl3 induced OB apoptosis with the appearance of apoptotic morphology and increase of apoptosis rate...
October 12, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29022236/the-protective-effect-of-selenium-on-bovine-mammary-epithelial-cell-injury-caused-by-depression-of-thioredoxin-reductase
#20
Yongmei Guo, Sumei Yan, Jian Gong, Lu Jin, Binlin Shi
To elucidate the effect of selenium (Se) on antioxidant function of mammary glands in dairy cows and the underlying mechanism, an experiment was conducted using a single-factor completely randomized design study. Bovine mammary epithelial cells (BMECs) were randomly divided into four groups: control, Se treatment, 2,4-dinitrochlorobenzene (DNCB) inhibition, and Se prevention. Treatment of BMECs with Se was found to significantly reverse decreased cell proliferation and the expression of thioredoxin reductase (TrxR) after DNCB exposure...
October 11, 2017: Biological Trace Element Research
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