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Biological Trace Element Research

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https://www.readbyqxmd.com/read/28643047/trace-elements-in-pleural-effusion-correlates-with-smokers-with-lung-cancer
#1
Kang-Yun Lee, Po-Hao Feng, Hsiao-Chi Chuang, Sheng-Ming Wu, Wen-Te Liu, Kuan-Yuan Chen, Chien-Ying Liu, Shu-Chuan Ho
Smoking leads to the presence of various elements, including toxic metals and metalloids, in tissues and fluids, thus contributing to cancer risk. This study assessed the concentrations of 14 elements (Ag, Al, As, Co, Cr, Cu, Fe, Ni, Mn, Mo, Pb, Sn, V, and Zn) and biochemical parameters (glucose, lactate dehydrogenase, and total protein) in the pleural effusion (PE) of patients with lung cancer. The potential association of these parameters with smoking was assessed. Total of 48 patients with lung cancer (26 non-smokers and 22 smokers) received thoracocentesis for PE removal...
June 22, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28639115/chemical-composition-of-selected-commercial-herbal-remedies-in-relation-to-geographical-origin-and-inter-species-diversity
#2
Pawel Konieczynski, Agnieszka Viapiana, Roman Lysiuk, Marek Wesolowski
Infusions prepared from medicinal herbs that are rich in flavonoids are very popular herbal remedies in societies of Eastern Europe. Therefore, the content of essential elements together with total flavonoids was analyzed in 65 commercially available samples of herbal drugs originating from Ukraine, Romania, and Belarus. The results showed that metallic elements (in mg kg(-1) d.w.) have occurred in the following order: Fe > Mn > Zn > Cu, both for total and water-extractable species. Total flavonoids were determined in the range from 10...
June 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28634814/assessment-of-waterborne-amine-coated-silver-nanoparticle-ag-np-induced-toxicity-in-labeo-rohita-by-histological-and-hematological-profiles
#3
Muhammad Saleem Khan, Naureen Aziz Qureshi, Farhat Jabeen, Muhammad Shakeel, Muhammad Saleem Asghar
Silver nanoparticles (Ag-NPs) have wide applications in the medical field; however, the toxicological effects are still poorly studied. The study was aimed to determine the effects of 15.78 nm spherical and amine-coated Ag-NPs on hematology and histology of gills and liver tissues in 28 days treated Labeo rohita (L. rohita). It was found that Ag-NPs induced alterations in the hematological parameters in a dose dependent manner. The Ag-NPs also induced histological alterations in a dose-dependent manner. In gill tissues, it induced fusion of secondary lamellae, separation of gill epithelium, fusion and necrosis of lamellar cells, hyperplasia, deformed cartilaginous skeleton, separation and lifting of epithelium, and curling of lamellae in a dose dependent manner...
June 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28634813/long-term-excessive-selenium-supplementation-induces-hypertension-in-rats
#4
Denise Grotto, Maria Fernanda Hornos Carneiro, Michele Mazzaron de Castro, Solange Cristina Garcia, Fernando Barbosa Junior
Selenium (Se) is an essential trace element involved in several biological pathways, naturally found in rocks, soils, and food. Even though the daily requirement of Se is achieved through a balanced diet, the use of Se supplements has been frequent. Due to the risk of toxic effects of having Se in excess, supplementation is still under debate. The aim was to evaluate the effects of long-term Se supplementation upon systolic blood pressure (SBP) and redox status of rats exposed to sodium selenite. Male Wistar rats were exposed to 2 and 6 mg/L of sodium selenite in drinking water for 85 days...
June 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28631137/assessment-of-titanium-dioxide-nanoparticles-tio2-nps-induced-hepatotoxicity-and-ameliorative-effects-of-cinnamomum-cassia-in-sprague-dawley-rats
#5
Muhammad Shakeel, Farhat Jabeen, Rehana Iqbal, Abdul Shakoor Chaudhry, Sadia Zafar, Muhammad Ali, Muhammad Saleem Khan, Adeel Khalid, Samina Shabbir, Muhammad Saleem Asghar
This study assessed the protective effects of Cinnamomum cassia (cinnamon) bark extract in rats exposed to titanium dioxide nanoparticles or titanium dioxide bulk salt. For in vivo evaluation of the ameliorative role of the cinnamon extract, the experimental groups were orally administered with the cinnamon extract at different dose levels (50 or 100 or 150 mg/kg bodyweight) along with the subcutaneous injections of 150 mg/kg bodyweight titanium dioxide nanoparticles or titanium dioxide bulk salt. The extract showed significant ameliorative role on the antioxidant system in response to elevated levels of titanium dioxide nanoparticles or titanium dioxide bulk salt-induced oxidative stress...
June 19, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28624869/incorporation-of-cerium-oxide-into-hydroxyapatite-coating-protects-bone-marrow-stromal-cells-against-h2o2-induced-inhibition-of-osteogenic-differentiation
#6
Kai Li, Qingyi Shen, Youtao Xie, Mingyu You, Liping Huang, Xuebin Zheng
Oxidative stress exerts a key influence in osteoporosis in part by inhibiting osteogenic differentiation of bone marrow stromal cells (BMSCs). With their unique antioxidant properties and reported biocompatibility, cerium oxide (CeO2) ceramics exhibit promising potential for the treatment of osteoporosis resulting from oxidative stress. In this study, protective effects of CeO2-incorporated hydroxyapatite coatings (HA-10Ce and HA-30Ce) on the viability and osteogenic differentiation of H2O2-treated BMSCs were examined...
June 17, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28620729/subchronic-arsenism-disorders-mrna-expression-of-cytokines-and-immunoglobulins-in-the-intestinal-tract-of-the-cock
#7
Hongjing Zhao, Yu Wang, Zixin Liu, Juanjuan Liu, Yuan Xue, Mingwei Xing
Provision of feed containing arsenic may cause intestinal flora imbalance and consequently, the dysfunction of immunological protection of the cock. To understand the intricate tuning of immune responses in the intestinal tract elicited by subchronic arsenism, a cock model (1-day-old Hy-line cocks) was established by subjecting cocks to different environmentally relevant concentrations of arsenic in the diet for 90 days. Intestinal cytokine and immunoglobulin (Ig) messenger RNA (mRNA) expression levels were determined using real-time PCR on days 30, 60, and 90...
June 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28620728/contents-of-heavy-metals-in-chinese-edible-herbs-evidence-from-a-case-study-of-epimedii-folium
#8
Xiao-Hua Yang, Hua-Feng Zhang, Li-Li Niu, Ying Wang, Jiang-Hua Lai
Toxic heavy metal contamination in Chinese edible herbs has raised a worldwide concern. In this study, heavy metals in Epimedii Folium, an edible medicinal plant in China, were quantitatively analyzed. Variations of heavy metals in different species, in various organs (i.e., leaves, stems, and roots), in wild-growing and cultivated plants, and in 35 market samples of Epimedii Folium, were systematically investigated. In all of Epimedium samples, Hg (mercury) was not detectable (0.00 μg/g). Four species, Epimedium pubescens, Epimedium sagittatum, Epimedium brevicornu, and Epimedium wushanense, were found to contain Cu (copper) and Pb (lead)...
June 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28620727/investigation-of-trace-element-content-in-the-seeds-pulp-and-peel-of-mashui-oranges-using-microwave-digestion-and-icp-ms-analysis
#9
Lingyun Chen, Mei Shen, Ande Ma, Weili Han
Fresh Mashui orange samples were pretreated with microwave digestion using an HNO3-H2O2 system. The levels of Mg, K, Ca, Fe, Mn, Cu, Zn, As, Cd, and Pb in the seeds, pulp, and peel were then determined using inductively coupled plasma mass spectrometry (ICP-MS) combined with collision cell technology (CCT) and kinetic energy discrimination (KED). The standard curve coefficient of determinations of the ten tested elements were between 0.9995 and 0.9999. The instrument detection limit was between 0.112 ng/L and 3...
June 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28620726/determination-of-the-cadmium-chromium-nickel-and-lead-ions-relays-in-selected-polish-medicinal-plants-and-their-infusion
#10
Janusz Mirosławski, Andrzej Paukszto
Concentration of Cd, Cr, Ni, and Pb were determined in peppermint leaves (Folium Menthae piperitae), chamomile blossom (Anthodium Chamomillae), and their infusions by atomic absorption spectrometry (AAS) after microwave digestion of plants samples. Peppermint and chamomile preparations by five different producers were purchased at various pharmacies in Poland. Infusions were made from herbs according to prescription for patients, provided by the producer of medicine on the package. Results show that in exam of medicinal plants the content of cadmium exceeds World Health Organization (WHO) standards...
June 15, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28616770/protective-effect-of-origanum-oil-on-alterations-of-some-trace-elements-and-antioxidant-levels-induced-by-mercuric-chloride-in-male-rats
#11
Naglaa El-Shahat Mohamed
In the current study, 48 male rats were classified into four groups (12 rats/group): 1-control group received 1 ml distilled water, 2-origanum oil group treated daily with oral dose of origanum oil (5 mg/kg) for 30 and 60 days, 3-mercuric chloride group treated daily with oral dose of mercuric chloride (4 mg/kg) for 30 and 60 days, and 4-origanum oil + mercuric chloride group treated with both origanum oil and mercuric chloride (5 and 4 mg/kg, respectively) for 30 and 60 days. All treatments were carried out by stomach tube...
June 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28600650/cadmium-alters-the-concentration-of-fatty-acids-in-thp-1-macrophages
#12
Tomasz Olszowski, Izabela Gutowska, Irena Baranowska-Bosiacka, Agnieszka Łukomska, Arleta Drozd, Dariusz Chlubek
Fatty acid composition of human immune cells influences their function. The aim of this study was to evaluate the effects of known toxicant and immunomodulator, cadmium, at low concentrations on levels of selected fatty acids (FAs) in THP-1 macrophages. The differentiation of THP-1 monocytes into macrophages was achieved by administration of phorbol myristate acetate. Macrophages were incubated with various cadmium chloride (CdCl2) solutions for 48 h at final concentrations of 5 nM, 20 nM, 200 nM, and 2 μM CdCl2...
June 10, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28593471/effects-of-combined-exposure-to-chronic-high-fat-diet-and-arsenic-on-thyroid-function-and-lipid-profile-in-male-mouse
#13
Akram Ahangarpour, Soheila Alboghobeish, Ali Akbar Oroojan, Leila Zeidooni, Azin Samimi, Golshan Afshari
The thyroid is one of the major endocrine glands that contribute to body and fat metabolism. The present study evaluated the effects of combined exposure to chronic high-fat diet (HFD) and arsenic on thyroid function and lipid profile. In this experimental study, 72 male Naval Medical Research Institute mice were divided into six groups and fed HFD or low-fat diet (LFD) while being exposed to 25 or 50 ppm of arsenic in drinking water for 20 weeks. After 24 h of the last experimental day, blood samples were collected for hormonal and biochemical measurements...
June 8, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28593470/effect-of-selenium-from-selenium-enriched-kale-sprout-versus-other-selenium-sources-on-productivity-and-selenium-concentrations-in-egg-and-tissue-of-laying-hens
#14
Anut Chantiratikul, Orawan Chinrasri, Piyanete Chantiratikul
A 6-week trial was conducted to compare the effect of selenium (Se) from hydroponically produced Se-enriched kale sprout (HPSeKS), sodium selenite (SS), and Se-enriched yeast (SeY) in laying hens. A total of 144 40-week-old hens were randomly divided into four groups, according to a completely randomized design. Each group consisted of four replicates with nine hens per replicate. The dietary treatments were T1 (basal diet) and T2, T3, and T4 (basal diets supplemented with 0.30 mg Se/kg from SS, SeY, and HPSeKS, respectively)...
June 7, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28585004/metallothionein-a-potential-link-in-the-regulation-of-zinc-in-nutritional-immunity
#15
REVIEW
Mohammad Tariqur Rahman, Muhammad Manjurul Karim
Nutritional immunity describes mechanisms for withholding essential transition metals as well as directing the toxicity of these metals against infectious agents. Zinc is one of these transition elements that are essential for both humans and microbial pathogens. At the same time, Zn can be toxic both for man and microbes if its concentration is higher than the tolerance limit. Therefore a "delicate" balance of Zn must be maintained to keep the immune cells surveilling while making the level of Zn either to starve or to intoxicate the pathogens...
June 5, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28580502/in-vitro-bioavailability-of-calcium-magnesium-iron-zinc-and-copper-from-gluten-free-breads-supplemented-with-natural-additives
#16
J Regula, A Cerba, J Suliburska, A A Tinkov
The aim of this study was to measure the content of calcium, magnesium, iron, zinc, and copper and determine the bioavailability of these ingredients in gluten-free breads fortified with milk and selected seeds. Due to the increasing prevalence of celiac disease and mineral deficiencies, it has become necessary to produce food with higher nutritional values which maintains the appropriate product characteristics. This study was designed for gluten-free breads fortified with milk and seeds such as flax, poppy, sunflower seeds, pumpkin seeds or nuts, and flour with amaranth...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28577235/dietary-iodine-affected-the-gsh-px-to-regulate-the-thyroid-hormones-in-thyroid-gland-of-rex-rabbits
#17
Feng Qin, Xiaoqing Pan, Jie Yang, Sheng Li, Le Shao, Xia Zhang, Beiyi Liu, Jian Li
Iodine (I) is an essential trace element that can influence animal health and productivity. In this study, we investigated the effects of dietary iodine on the antioxidant indices of organ (liver and thyroid gland) and messenger RNA (mRNA) expression of glutathione peroxidase (GSH-Px) in Rex rabbits. A total of 120 4-month-old Rex rabbits (2235.4 ± 13.04 g BW) were divided into four equal groups, and their diets were supplemented with iodine (0, 0.2, 2, or 4 mg/kg dry matter (DM)). The iodine concentration in basal diet (control group) was 0...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28577234/antagonistic-effect-of-laver-pyropia-yezonensis-and-p-haitanensis-on-subchronic-lead-poisoning-in-rats
#18
Yingying Guo, Xiaohui Gu, Yanhua Jiang, Wenjia Zhu, Lin Yao, Zhantao Liu, Hua Gao, Lianzhu Wang
Lead, one of the most harmful heavy metals, can cause various hazardous effects on living organisms. This study was undertaken to evaluate the antagonistic and protective effects of two economically important laver species, Pyropia yezoensis and P. haitanensis, against subchronic lead poisoning in rats by a 30-day feeding test. Sixty-four healthy Wistar rats were randomly divided into eight groups with eight rats (4♂ + 4♀) per group, among which, one group was served as the control, the others were respectively treated with lead acetate (5 mg/kg b w), and a combination of lead acetate and P...
June 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28577233/zinc-and-selenium-co-supplementation-reduces-some-lipid-peroxidation-and-angiogenesis-markers-in-a-rat-model-of-nafld-fed-high-fat-diet
#19
Seyedeh Neda Mousavi, Amirhosein Faghihi, Majid Motaghinejad, Maryam Shiasi, Fatemeh Imanparast, Hamid Lorvand Amiri, Farzad Shidfar
Studies have shown that non-alcoholic fatty liver disease (NAFLD) patients are more prone to cardiovascular disease (CVD). Zinc and selenium deficiency are common in NAFLD. But the effects of zinc and selenium co-supplementation before and/or after disease progression on CVD markers are not clear in NAFLD patients. This study aimed to compare the effects of zinc and selenium co-supplementation before and/or after disease progression on some of the CVD markers in an experimental model of NAFLD. Forty male Sprague Dawley rats (197 ± 4 g) were randomly assigned into four dietary groups: control group (C; received 9% of calorie as fat), model group (M; received 82% of calorie as fat), and supplementation before (BS) or after (AS) disease progression...
June 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28567583/protective-effects-of-fragaria-ananassa-extract-against-cadmium-chloride-induced-acute-renal-toxicity-in-rats
#20
Manal F Elkhadragy, Ebtesam M Al-Olayan, Ahmed A Al-Amiery, Ahmed E Abdel Moneim
For experiments of cadmium toxicity in animal models, cadmium (II) chloride is often used due to its solubility in water and its ability to produce high concentrations of cadmium at the target site. The present study was designed to investigate the potential inhibitory effect of the Fragaria ananassa fruit extract on cadmium (II) chloride-induced renal toxicity in rats. Tested animals were pretreated with the extract of F. ananassa and injected with cadmium (II) chloride (6.5-mg/kg body weight) for 5 days...
May 31, 2017: Biological Trace Element Research
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