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https://www.readbyqxmd.com/read/28820326/heavy-metal-in-cancer-the-cell-cycle-jams-with-arsenic
#1
Alison K Barrett, Seth M Rubin
No abstract text is available yet for this article.
August 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28820073/immunomodulatory-role-of-arsenic-on-regulatory-t-cells
#2
Rizwanul Haque, Archana Chaudhary, Nadra Sadaf
Background and objective-Chronic Arsenic (As) exposure continued to be a cause of major problem associated with different kind of diseases including skin problem and different types of cancer. As exposure leads to numerous other pathological conditions that affect millions of people worldwide on a regular basis. It was recently established that As toxicity affects immune system and modulate the function and survival of cells involved in immune regulation. Arsenic trioxide (As2O3) was reported to be an effective apoptosis inducer in a variety of cell types...
August 17, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28819764/secad-and-egf-levels-increased-in-urine-of-non-ferrous-metal-workers-and-medium-of-uroepithelial-cell-line-treated-by-arsenic
#3
Jieyu Liu, Peiyu Jin, Shengnan Liu, Fei Wang, Xiaoyan Wang, Li Yang, Shuhua Xi
Inorganic arsenic (iAs) is a carcinogen and could increase the risks of bladder, lung, and skin cancer. Mining and smelting of non-ferrous metals are common occupational arsenic exposures. In this study, 125 individuals working in non-ferrous metal smelting plants were separated into two groups according to urinary total arsenic (TAs) levels: group 1, TAs < 100 μg/g Cr; group 2, TAs ≥ 100 μg/g Cr. Demographic characteristics of participants were obtained by questionnaire interview. Levels of E-cadherin soluble ectodomain fragment (sEcad) and epidermal growth factor (EGF) in workers urine were determined by ELISA test...
August 17, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28815697/case-control-study-of-chronic-low-level-exposure-of-inorganic-arsenic-species-and-non-melanoma-skin-cancer
#4
Tae-Hoon Kim, Jeong-Wook Seo, Young-Seoub Hong, Ki-Hoon Song
A significant relationship between arsenic exposure and non-melanoma skin cancer (NMSC) is well known. The toxicity of arsenics which develop NMSC is dependent on their species. Accordingly, total arsenic levels are unreliable for risk assessment of NMSC. However, there are few studies on quantitative exposure assessment of arsenic species in NMSC patients. To validate the contribution of each arsenic species to NMSC, we compared the creatinine-adjusted urinary concentration of arsenic species in NMSC patients and community controls...
August 16, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28808212/recent-advances-in-arsenic-trioxide-encapsulated-nanoparticles-as-drug-delivery-agents-to-solid-cancers
#5
Anam Akhtar, Scarlet Xiaoyan Wang, Lucy Ghali, Celia Bell, Xuesong Wen
Since arsenic trioxide was first approved as the front line therapy for acute promyelocytic leukemia 25 years ago, its anti-cancer properties for various malignancies have been under intense investigation. However, the clinical successes of arsenic trioxide in treating hematological cancers have not been translated to solid cancers. This is due to arsenic's rapid clearance by the body's immune system before reaching the tumor site. Several attempts have henceforth been made to increase its bioavailability toward solid cancers without increasing its dosage albeit without much success...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28798983/role-of-aqp9-in-transport-of-monomethyselenic-acid-and-selenite
#6
Xiangrong Geng, Joseph McDermott, Joseph Lundgren, Liu Liu, Kan-Jen Tsai, Jian Shen, Zijuan Liu
AQP9 is an aquaglyceroporin with a very broad substrate spectrum. In addition to its orthodox nutrient substrates, AQP9 also transports multiple neutral and ionic arsenic species including arsenic trioxide, monomethylarsenous acid (MAs(III)) and dimethylarsenic acid (DMA(V)). Here we discovered a new group of AQP9 substrates which includes two clinical relevant selenium species. We showed that AQP9 efficiently transports monomethylselenic acid (MSeA) with a preference for acidic pH, which has been demonstrated in Xenopus laevis oocyte following the overexpression of human AQP9...
August 10, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28796632/the-association-of-arsenic-metabolism-with-cancer-cardiovascular-disease-and-diabetes-a-systematic-review-of-the-epidemiological-evidence
#7
Chin-Chi Kuo, Katherine A Moon, Shu-Li Wang, Ellen Silbergeld, Ana Navas-Acien
BACKGROUND: The available evidence on the role of arsenic metabolism in individual susceptibility to the development of cancer, cardiovascular disease, and diabetes has not been formally and comprehensively reviewed. OBJECTIVES: Our goal was to systematically investigate the association of arsenic metabolism with cancer, cardiovascular disease, and diabetes-related outcomes in epidemiologic studies. As a secondary objective, we characterized the variation of arsenic metabolism in different populations worldwide...
August 1, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28794865/recent-advances-in-acute-promyelocytic-leukaemia
#8
REVIEW
Chin-Hin Ng, Wee-Joo Chng
Acute promyelocytic leukaemia (APML) is a subtype of leukaemia arising from a distinct reciprocal translocation involving chromosomes 15 and 17, which results in the PML-RARA fusion gene. Over the past three decades, APML has been transformed from a highly fatal disease to a highly curable one. This drastic improvement is because of the introduction of a new treatment strategy with all-trans retinoic acid and, more recently, arsenic trioxide. The revolutionary treatment of APML has also paved the way for a new cancer treatment, which is genetically targeted therapy...
2017: F1000Research
https://www.readbyqxmd.com/read/28783109/health-risks-and-contamination-levels-of-heavy-metals-in-dusts-from-parks-and-squares-of-an-industrial-city-in-semi-arid-area-of-china
#9
Xiufeng Han, Xinwei Lu, Yongfu Wu
The contamination characteristics and health risk of barium (Ba), cobalt (Co), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), vanadium (V), zinc (Zn), arsenic (As), mercury (Hg), and cadmium (Cd) in samples of dust gathered from squares and parks of Baotou city, an industrial city situated in a semi-arid location of the northwest China were investigated. The contents of Ba, Co, Cr, Cu, Mn, Ni, V, Pb, and Zn in the collected dust samples were determined using X-ray fluorescence spectrometry, while the contents of As and Hg in the dust were investigated by use of the ICP-MS...
August 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28781895/suicide-behaviour-and-arsenic-levels-in-drinking-water-a-possible-association-a-review-of-the-literature-about-the-effects-of-arsenic-contamination-in-drinking-water-on-suicides
#10
REVIEW
Gianmarco Troiano, Isabella Mercurio, Paola Melai, Nicola Nante, Massimo Lancia, Mauro Bacci
BACKGROUND: A considerable part of the global population is exposed to arsenic-contaminated drinking water which is the main source of inorganic arsenic(As) exposure in humans. Arsenic exposure interferes with the action of enzymes, essential cations, and transcriptional events in cells throughout the body, and a multitude of multisystemic non-cancer effects might ensue. The aim of our review was to evaluate the effects of arsenic contamination in drinking water on suicides rates. METHODS: A systematic literature search (English written literature) was conducted in electronic databases MEDLINE, SCOPUS...
2017: Egyptian journal of forensic sciences
https://www.readbyqxmd.com/read/28780210/heavy-metals-lead-cadmium-methylmercury-arsenic-in-commonly-imported-rice-grains-oryza-sativa-sold-in-saudi-arabia-and-their-potential-health-risk
#11
Iman Al-Saleh, Mai Abduljabbar
The levels of heavy metals (lead, cadmium, methylmercury and arsenic) were determined in 37 brands of imported rice commonly consumed in Saudi Arabia after soaking and rinsing with water, and their potential health risks to residents were estimated by three indices: hazard quotient (HQ), hazard index (HI) and cancer risk (CR). The mean levels of lead, cadmium, methylmercury and total arsenic in soaked (rinsed) rice grains were 0.034 (0.057), 0.015 (0.027), 0.004 (0.007) and 0.202 (0.183) μg/g dry weight, respectively...
July 24, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28775203/immunohistochemical-validation-of-psma-expression-measured-by-68-ga-psma-pet-ct-in-primary-prostate-cancer
#12
Nadine Woythal, Ruza Arsenic, Carsten Kempkensteffen, Kurt Miller, Jan-Carlo Janssen, Kai Huang, Marcus R Makowski, Winfried Brenner, Vikas Prasad
Aim: Gallium 68 ((68)Ga) prostate specific membrane antigen (PSMA) positron emission tomography/computed tomography ((68)Ga-PSMA PET/CT) has a proven role in staging and restaging of prostate cancer (PCA) patients. The aims of this study were to evaluate the association of intraprostatic (68)Ga-PSMA PET/CT (PET) findings and prostate specific membrane antigen (PSMA) expression in immunohistochemical staining (IHC) and generate a cut-off value for the differentiation between benign prostate tissue from PCA. Methods: Data of 31 patients (mean 67...
August 3, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28768161/airborne-heavy-metals-in-two-cities-of-north-rhine-westphalia%C3%A2-%C3%A2-performing-inhalation-cancer-risk-assessment-in-terms-of-atmospheric-circulation
#13
Konstantinos Dimitriou, Pavlos Kassomenos
The main objective of this study was to examine the levels of four heavy metals (As, Cd, Pb and Ni) in PM10 samples collected in two urban background stations in Dortmund and Bielefeld, in relation to atmospheric circulation. Pollution roses, Conditional Probability Function (CPF) roses and backward air mass trajectory clusters were used to identify air currents associated with the importation of PM10 and of the included metal constituents. In addition, PM10, NO2, SO2, O3, As, Cd, Ni and Pb concentrations were analyzed by a Principal Component Analysis (PCA) to reveal major local emission sources of PM10 metal content...
July 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/28763649/biomarkers-of-arsenic-exposure-in-arsenic-affected-areas-of-the-hetao-basin-inner-mongolia
#14
Ting Liu, Huaming Guo, Wei Xiu, Chao Wei, Xiaomeng Li, Zhen Di, Wei Song
Seventy saliva samples, seventy urine samples, seventy nail samples, seventy hair samples, eight drinking water samples and ninety-three crop samples were collected from four villages of the Hetao Basin in Inner Mongolia to determine arsenic (As) exposure biomarkers and evaluate relationship between As uptake and human health risk. Trivalent As (As(III)), pentavalent As (As(V)), dimethylarsinic acid (DMA), arsenobetaine (AsB) and monomethylarsonic acid (MMA) were found in all urine samples. Only As(III) and As(V) were detected in saliva samples...
July 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28738299/the-impact-of-bmi-on-non-malignant-respiratory-symptoms-and-lung-function-in-arsenic-exposed-adults-of-northern-chile
#15
Anthony Nardone, Catterina Ferreccio, Johanna Acevedo, Wayne Enanoria, Alden Blair, Allan H Smith, John Balmes, Craig Steinmaus
BACKGROUND: Elevated body mass index (BMI) and arsenic are both associated with cancer and with non-malignant lung disease. Using a unique exposure situation in Northern Chile with data on lifetime arsenic exposure, we previously identified the first evidence of an interaction between arsenic and BMI for the development of lung cancer. OBJECTIVES: We examined whether there was an interaction between arsenic and BMI for the development of non-malignant lung disease...
July 21, 2017: Environmental Research
https://www.readbyqxmd.com/read/28735889/acute-promyelocytic-leukemia-a-perspective
#16
Farhad Ravandi, Richard Stone
Treatment of patients with acute promyelocytic leukemia has significantly improved with the introduction of target specific agents all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) with long term survival a reality for the majority of patients. This can serve as a paradigm for cancer therapy where with the introduction of more potent target-specific drugs our reliance on the traditional cytotoxic agents is likely to diminish and less toxic and more effective regimens are likely to replace the current intensive chemotherapy regimens...
July 6, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28718018/the-environmental-legacy-of-historic-pb-zn-ag-au-mining-in-river-basins-of-the-southern-edge-of-the-massif-central-france
#17
Françoise Elbaz-Poulichet, Eléonore Resongles, Chrystelle Bancon-Montigny, Sophie Delpoux, Rémi Freydier, Corinne Casiot
The main rivers (Aude, Orb, Herault) that discharge into the Gulf of Lions and the west bank tributaries of the Rhone River including the Gardon have former non-ferrous metal mines in their upper drainage basin. Using unpublished data and data from the literature, this study provides an integrated overview of the contamination of water and sediment along the continent-sea continuum and of its impacts on the biota and on human health. In the upper part of these basins, water and stream sediments are enriched in metal(-loids) compared to median European concentrations...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28713949/shikonin-suppresses-proliferation-and-induces-apoptosis-in-human-leukemia-nb4-cells-through-modulation-of-mapks-and-c%C3%A2-myc
#18
Zhi-Ling Shan, Liang Zhong, Chu-Lan Xiao, Liu-Gen Gan, Ting Xu, Hao Song, Rong Yang, Liu Li, Bei-Zhong Liu
Acute promyelocytic leukemia (APL) is a special subtype of acute myeloid leukemia that responds to treatment with all‑trans retinoic acid and arsenic trioxide. However, severe side effects and drug resistance limit the effectiveness of these treatments. Hence, new drugs for APL are required urgently. Shikonin, an active naphthoquinone derived from the Chinese medical herb Zi Cao exerts antitumor activity in several cancers. In the present study, the effects of shikonin on proliferation and apoptosis in NB4 cells, as well as related mechanisms were assessed...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28700942/a-pml-slit-axis-controls-physiological-cell-migration-and-cancer-invasion-in-the-cns
#19
Valeria Amodeo, Deli A, Joanne Betts, Stefano Bartesaghi, Ying Zhang, Angela Richard-Londt, Matthew Ellis, Rozita Roshani, Mikaella Vouri, Sara Galavotti, Sarah Oberndorfer, Ana Paula Leite, Alan Mackay, Aikaterini Lampada, Eva Wessel Stratford, Ningning Li, David Dinsdale, David Grimwade, Chris Jones, Pierluigi Nicotera, David Michod, Sebastian Brandner, Paolo Salomoni
Cell migration through the brain parenchyma underpins neurogenesis and glioblastoma (GBM) development. Since GBM cells and neuroblasts use the same migratory routes, mechanisms underlying migration during neurogenesis and brain cancer pathogenesis may be similar. Here, we identify a common pathway controlling cell migration in normal and neoplastic cells in the CNS. The nuclear scaffold protein promyelocytic leukemia (PML), a regulator of forebrain development, promotes neural progenitor/stem cell (NPC) and neuroblast migration in the adult mouse brain...
July 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28692928/associations-between-prenatal-arsenic-exposure-with-adverse-pregnancy-outcome-and-child-mortality
#20
Yu-Hsuan Shih, Tariqul Islam, Samar Kumar Hore, Golam Sarwar, Mohammad Hasan Shahriar, Mohammad Yunus, Joseph H Graziano, Judith Harjes, John A Baron, Faruque Parvez, Habibul Ahsan, Maria Argos
BACKGROUND: Chronic arsenic exposure is a public health concern in many parts of the world, with elevated concentrations in groundwater posing a threat to millions of people. Arsenic is associated with various cancers and an array of chronic diseases; however, the relationship with adverse pregnancy outcomes and child mortality is less established. OBJECTIVES: We evaluated associations between individual-level prenatal arsenic exposure with adverse pregnancy outcomes and child mortality in a pregnancy study among 498 women nested in a larger population-based cohort in rural Bangladesh...
October 2017: Environmental Research
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