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Journal of Trace Elements in Medicine and Biology

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https://www.readbyqxmd.com/read/27908578/water-pollution-causes-ultrastructural-and-functional-damages-in-pellia-neesiana-gottsche-limpr
#1
Adriana Basile, Sergio Sorbo, Marco Lentini, Barbara Conte, Sergio Esposito
The aim of this work is to evaluate the effects of freshwater pollution in the heavily contaminated Sarno River (Campania, South Italy), using Pellia neesiana (Pelliaceae Metzgeriales) in order to propose this liverwort as a potential bioindicator, able to record the effects of water pollution, particularly the one related to metal (loid) contamination. Samples of P. neesiana in nylon bags were disposed floating for one week on the waters of Sarno River in three sites characterised by an increasing pollution...
November 25, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27903408/correlations-between-ceruloplasmin-lactoferrin-and-myeloperoxidase-in-meconium
#2
Ewa Skarżyńska, Joanna Żytyńska-Daniluk, Barbara Lisowska-Myjak
BACKGROUND AND AIMS: Oxidative stress and the generation of reactive oxygen/nitrogen species has a known significant impact on intrauterine fetal growth and the risk of metabolic diseases in adulthood. Compounds accumulated in fetal meconium may be a source of information about the oxidoreductive status during the intrauterine development. Three metal-containing proteins ceruloplasmin (CP), lactoferrin (LF) and myeloperoxidase (MPO) constitute the complementary panel modulating oxidative stress...
November 23, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27890402/multi-elemental-analysis-of-human-lung-samples-using-inductively-coupled-plasma-mass-spectrometry
#3
Jackie Morton, Emma Tan, S Kim Suvarna
The aim of this study was to establish concentrations of a wide range of elements in human lung samples to allow better identification of potential exposures in subsequent cases. This study reports concentrations of 48 elements (Al, As, Au, B, Ba, Be, Bi, Br, Cd, Ce, Co, Cr, Cs, Cu, Fe, Ga, Gd, Ge, Hf, Hg, In, Li, Mn, Mo, Nb, Ni, Os, Pb, Pd, Pt, Rb, Re, Ru, Sb, Se, Sm, Sn, Sr, Ta, Te, Ti, Tl, Tm, V, W, Y, Zn and Zr) in fresh lung tissue samples from 54 hospital patients, of which 93% exhibited various forms of neoplasia...
November 19, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27916501/association-between-iron-level-glucose-impairment-and-increased-dna-damage-during-pregnancy
#4
Salam Zein, Samar Rachidi, Nadine Shami, Iman Sharara, Khawla Cheikh-Ali, Anne-Sophie Gauchez, Jean-Marc Moulis, Jean-Marc Ayoubi, Pascale Salameh, Isabelle Hininger-Favier
: Elevated circulating ferritin has been reported to increase the risk of gestational diabetes mellitus (GDM). When high ferritin translates into high iron stores, iron excess is also a condition leading to free radical damage. We aimed to evaluate the relationship between oxidative stress (OS) induced by iron status and GDM risk in non iron-supplemented pregnant women. METHODS: This was a pilot observational study conducted on 93 non-anemic pregnant women. Iron status was assessed at the first trimester of gestation...
November 18, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27881232/serum-copper-zinc-and-iron-levels-and-markers-of-carbohydrate-metabolism-in-postmenopausal-women-with-prediabetes-and-type-2-diabetes-mellitus
#5
Margarita G Skalnaya, Anatoly V Skalny, Alexey A Tinkov
The objective of the present study was to evaluate serum level of copper, zinc, iron and metabolic parameters in postmenopausal women with diabetes. A total of 413 postmenopausal women were enrolled in the current study. Women were divided into 4 groups with equal age and body mass index according to glycated hemoglobin (HbA1c) levels (≤5.5; 5.5-6.0; 6.0-6.5; >6.5%). Serum Fe, Cu, and Zn levels were assessed using inductively-coupled plasma mass-spectrometry. Blood HbA1c, serum glucose, insulin, C-reactive protein (CRP), ferritin, and ceruloplasmin (Cp) were assessed using commercial kits...
November 16, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27847219/biomonitoring-of-29-trace-elements-in-whole-blood-from-inhabitants-of-cotonou-benin-by-icp-ms
#6
Brice Yedomon, Alain Menudier, Florence Lecavelier Des Etangs, Ludovic Anani, Benjamin Fayomi, Michel Druet-Cabanac, Christian Moesch
This study aimed to investigate the blood concentration of 29 trace elements, metals or metalloids, in a healthy population of Cotonou not directly exposed to metals in order to propose reference values. Blood samples from 70 blood donors were collected in K2 EDTA tubes for trace elements during September 2015 and a questionnaire was used to assess lifestyle exposure. Blood metal concentrations were determined by inductively coupled plasma mass spectrometry (ICP-MS) equipped with a quadrupole-based reaction cell...
November 9, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27836440/reticulocyte-hemoglobin-content-mchr-in-the-detection-of-iron-deficiency
#7
Eloísa Urrechaga Igartua, Johannes J M L Hoffmann, Silvia Izquierdo-Álvarez, Jesús F Escanero
BACKGROUND: Blood hemoglobin (Hb) concentration within the reference interval does not exclude iron deficiency (ID): individuals with normal stores lose iron during a long period before their Hb falls below of the level that is defined as anemia. The process entails a decrease of storage iron, shown by serum ferritin below reference range, followed by iron depletion, eventually leading to iron restricted erythropoiesis; consequence of an imbalance between erythropoietic iron requirements and too low supply is a reduction of Hb synthesis in reticulocytes...
November 4, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27745987/tissue-specific-distributions-of-inorganic-arsenic-and-its-methylated-metabolites-especially-in-cerebral-cortex-cerebellum-and-hippocampus-of-mice-after-a-single-oral-administration-of-arsenite
#8
Jinlong Li, Xiaoxu Duan, Dandan Dong, Yang Zhang, Lu Zhao, Wei Li, Jinli Chen, Guifan Sun, Bing Li
Groundwater contaminated with inorganic arsenic (iAs) is the main source of human exposure to arsenic and generates a global health issue. In this study, the urinary excretion, as well as the time-course distributions of various arsenic species in murine tissues, especially in different brain regions were determined after a single oral administration of 2.5, 5, 10 and 20mg/kg sodium arsenite (NaAsO2). Our data showed that the peak times of urinary, hepatic and nephritic total arsenic (TAs) were happened at about 1h, then TAs levels decreased gradually and almost could not be observed after 72h...
October 4, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27769745/determination-of-mercury-in-hair-comparison-between-gold-amalgamation-atomic-absorption-spectrometry-and-mass-spectrometry
#9
Francesco Domanico, Giovanni Forte, Costanza Majorani, Oreste Senofonte, Francesco Petrucci, Vincenzo Pezzi, Alessandro Alimonti
Mercury is a heavy metal that causes serious health problems in exposed subjects. The most toxic form, i.e., methylmercury (MeHg), is mostly excreted through human hair. Numerous analytical methods are available for total Hg analysis in human hair, including cold vapour atomic fluorescence spectrometry (CV-AFS), inductively coupled plasma mass spectrometry (ICP-MS) and thermal decomposition amalgamation atomic absorption spectrometry (TDA-AAS). The aim of the study was to compare the TDA-AAS with the ICP-MS in the Hg quantification in human hair...
September 29, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27707611/assessment-of-serum-trace-elements-and-electrolytes-in-children-with-childhood-and-atypical-autism
#10
Anatoly V Skalny, Natalia V Simashkova, Tatiana P Klyushnik, Andrei R Grabeklis, Ivan V Radysh, Margarita G Skalnaya, Alexandr A Nikonorov, Alexey A Tinkov
The existing data demonstrate a significant interrelation between ASD and essential and toxic trace elements status of the organism. However, data on trace element homeostasis in particular ASD forms are insufficient. Therefore, the objective of the present study was to assess the level of trace elements and electrolytes in serum of children with childhood and atypical autism. A total of 48 children with ASD (24 with childhood and 24 with atypical autism) and age- and sex-adjusted controls were examined. Serum trace elements and electrolytes were assessed using inductively-coupled plasma mass spectrometry...
September 29, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908430/evaluation-of-tissue-metal-and-trace-element-content-in-a-rat-model-of-non-alcoholic-fatty-liver-disease-using-icp-drc-ms
#11
Eugenia R Gatiatulina, Elizaveta V Popova, Valentina S Polyakova, Anastasia A Skalnaya, Eduard F Agletdinov, Alexandr A Nikonorov, Anatoly V Skalny, Alexey A Tinkov
The primary objective of the study was to assess the level of metals and trace elements in liver, serum, and hair of rats with diet-induced non-alcoholic fatty liver disease (NAFLD) using inductively coupled plasma dynamic reaction cell mass spectrometer (ICP-DRC-MS). 56 female 3-months-old Wistar rats divided into two equal groups were fed either standard (10% calories from fat) or high-fat high-carbohydrate diet (60% calories from fat in chow and 10% sucrose solution) for 6 weeks. Serum was examined for insulin resistance markers, lipid profile, and alanine aminotransferase (ALT) activity...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908429/callose-associated-silica-deposition-in-arabidopsis
#12
Thibault Brugiére, Christopher Exley
The mechanism of biological silicification in plants remains to be elucidated. There are strong arguments supporting a role for the plant extracellular matrix and the β-1-3-glucan, callose, has been identified as a possible template for silica deposition in the common horsetail, Equisetum arvense. The model plant Arabidopsis thaliana, which is not known as a silica accumulator, can be engineered to produce mutants in which, following a pathogen-associated molecular pattern challenge, callose production in leaves is either induced (35S:PMR4-GFP) or not (pmr4)...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908428/contribution-of-mammalian-selenocysteine-containing-proteins-to-carcinogenesis
#13
REVIEW
Elena Gennadyevna Varlamova, Irina Valentinovna Cheremushkina
Oxidative stress caused by a sharp growth of free radicals in the organism is a major cause underlying the occurrence of all kinds of malignant formations. Selenium is an important essential trace element found in selenoproteins in the form of selenocysteine, an amino acid differing from cysteine for the presence of selenium instead of sulfur and making such proteins highly active. To date the role of selenium has been extensively investigated through studying the functions of selenoproteins in carcinogenesis...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908427/the-influence-of-oral-copper-methionine-on-matrix-metalloproteinase-2-gene-expression-and-activation-in-right-sided-heart-failure-induced-by-cold-temperature-a-broiler-chicken-perspective
#14
Mina Bagheri Varzaneh, Hamidreza Rahmani, Rahman Jahanian, Amir Hossein Mahdavi, Corinne Perreau, Gwenn Perrot, Stéphane Brézillon, François-Xavier Maquart
This study was designed to investigate the expression, activation and activity of matrix metalloproteinase-2 (MMP-2) in the heart of broiler chickens reared in cold conditions and fed with copper-methionine supplement at different levels. The chickens (n=480) were randomly allotted to six treatments and four replicates. Treatments included two rearing temperatures (i.e. normal and cold temperatures) each combined with three levels of supplemental copper-methionine (i.e. 0, 100 and 200mg/kg). On d 38 and 45 of age, four broilers from each treatment were sacrificed and their hearts were stored at -80°C...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908426/environmental-exposures-of-trace-elements-assessed-using-keratinized-matrices-from-patients-with-chronic-kidney-diseases-of-uncertain-etiology-ckdu-in-sri-lanka
#15
Saranga Diyabalanage, Sanjeewani Fonseka, D M S N B Dasanayake, Rohana Chandrajith
An alarming increase in chronic kidney disease with unknown etiology (CKDu) has recently been reported in several provinces in Sri Lanka and chronic exposures to toxic trace elements were blamed for the etiology of this disease. Keratinized matrices such as hair and nails were investigated to determine the possible link between CKDu and toxic element exposures. Elements Li, B, Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Mo, Cd, Ba, Hg and Pb of hair and nails of patients and age that matched healthy controls were determined with Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908425/copper-accumulation-in-rodent-brain-astrocytes-a-species-difference
#16
Brendan Sullivan, Gregory Robison, Yulia Pushkar, John K Young, Kebreten F Manaye
Changes in Cu homeostasis have been implicated in multiple neurodegenerative diseases. Factors controlling and regulating the distribution of Cu in the brain remain largely unknown. We have previously reported that a sub-set of astrocytes in the subventricular zone (SVZ) contain Cu-rich aggregates. Here we expand previous studies with detailed X-ray fluorescent imaging (XRF) analysis of the additional brain areas of hippocampus (HP) and rostral migratory stream (RMS). We also use conventional DAB (3,3'-diaminobenzidine) staining which accesses both peroxidase and pseudo-peroxidase activities...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908424/first-comprehensive-study-on-total-contents-and-hot-water-extractable-fraction-of-selected-elements-in-19-medicinal-plants-from-various-locations-in-nyamira-county-kenya
#17
Volker Nischwitz, Richard Mogwasi, Salim Zor, Zachary Getenga, David K Kariuki, Klaus Günther
A large number of medicinal plants is traditionally known in Kenya and used for treatment of various diseases, for example diabetes, where metals are supposed to be involved in pathogenesis and therapy. Therefore, detailed investigation of the concentration of a large number of metals in medicinal plants is required for improved understanding and optimisation of the therapeutic role of metals and also to exclude potentially toxic effects. Our study focused on the determination of 30 selected elements in 19 medicinal plant species each collected from 3 sampling locations in Nyamira County, Kenya...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908423/copper-brain-protein-protection-against-free-radical-induced-neuronal-death-survival-ratio-in-sh-sy5y-neuroblastoma-cell-cultures
#18
Roger Deloncle, Bernard Fauconneau, Olivier Guillard, José Delaval, Gérard Lesage, Alain Pineau
In Creutzfeldt Jakob, Alzheimer and Parkinson diseases, copper metalloproteins such as prion, amyloid protein precursor and α-synuclein are able to protect against free radicals by reduction from cupric Cu(+2) to cupreous Cu(+). In these pathologies, a regional copper (Cu) brain decrease correlated with an iron, zinc or manganese (Mn) increase has previously been observed, leading to local neuronal death and abnormal deposition of these metalloproteins in β-sheet structures. In this study we demonstrate the protective effect of Cu metalloproteins against deleterious free-radical effects...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908422/toenail-mercury-and-dyslipidemia-interaction-with-selenium
#19
Kyong Park, Eunmin Seo
BACKGROUND: Although compelling evidences from in vivo and in vitro studies exist, limited studies have examined the association between chronic mercury exposure and dyslipidemia. Particularly, data are sparse regarding the influence of selenium on this association of mercury with dyslipidemia in humans. PURPOSE: The purpose of the current study was to examine the associations of toenail mercury with dyslipidemia and its components, and to examine whether selenium in toenails modifies these associations...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908421/low-magnesium-diet-alters-distribution-of-macroelements-and-trace-elements-in-tissues-and-organs-of-female-rats
#20
Anastasia A Zheltova, Maria V Kharitonova, Igor N Iezhitsa, Eugeny P Serebryansky, Oleg Y Evsyukov, Alexander A Spasov, Anatoly V Skalny
The aim of the present study was to assess whether dietary magnesium deficiency can alter distribution of macroelements and trace elements in different organs and tissues. Experiments were carried out on 12 adult female Wistar rats, which were fed either a diet with low Mg content (≤20mgkg(-1) of diet) (LMgD) or a diet with daily recommended Mg content (≈500mgkg(-1)) as control group (CG) for 70 days. On the 70th day of the experiment heart, aorta, femoral skeletal muscle, forebrain, cerebellum, pituitary gland, thyroid gland, ovaries, uterus, liver, kidneys, and spleen were taken for analysis of mineral content...
January 2017: Journal of Trace Elements in Medicine and Biology
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