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Ferric citrate

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https://www.readbyqxmd.com/read/28642302/residual-erythropoiesis-protects-against-myocardial-hemosiderosis-in-transfusion-dependent-thalassemia-by-lowering-labile-plasma-iron-via-transient-generation-of-apotransferrin
#1
Maciej W Garbowski, Patricia Evans, Evangelia Vlachodimitropoulou, Robert Hider, John B Porter
Cardiosiderosis is a leading cause of mortality in transfusion-dependent thalassemias. Plasma non-transferrin-bound iron and its redox-active component, labile plasma iron, are key sources of iron loading in cardiosiderosis. Risk factors were identified in 73 patients with or without cardiosiderosis. Soluble transferrin receptor-1 levels were significantly lower in patients with cardiosiderosis (odds ratio 21). This risk increased when transfusion-iron loading rates exceeded the erythroid transferrin uptake rate (derived from soluble transferrin receptor-1) by >0...
June 22, 2017: Haematologica
https://www.readbyqxmd.com/read/28632119/alkaliphilus-namsaraevii-sp-nov-an-alkaliphilic-iron-and-sulfur-reducing-bacterium-isolated-from-a-steppe-soda-lake
#2
Anastasiya Zakharyuk, Lyudmila Kozyreva, Elena Ariskina, Olga Troshina, Dmitry Kopitsyn, Viktoria Shcherbakova
A novel alkaliphilic spore-forming bacterium was isolated from the benthic sediments of the highly mineralized steppe Lake Khilganta (Transbaikal Region, Russia). Cells of the strain, designated Х-07-2T, were straight to slightly curved rods, Gram-stain-positive and motile. Strain Х-07-2T grew in the pH range from 7.0 to 10.7 (optimum pH 9.6-10.3). Growth was observed at 25-47 °C (optimum 30 °C) and at an NaCl concentration from 5 to 150 g l-1 with an optimum at 40 g l-1. Strain Х-07-2T was a chemo-organoheterotroph able to reduce amorphous ferric hydroxide, Fe(III) citrate and elemental sulfur in the presence of yeast extract as the electron donor...
June 20, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28610916/the-rhizoferrin-biosynthetic-gene-in-the-fungal-pathogen-rhizopus-delemar-is-a-novel-member-of-the-nis-gene-family
#3
Cassandra S Carroll, Clark L Grieve, Indu Murugathasan, Andrew J Bennet, Clarissa M Czekster, Huanting Liu, James Naismith, Margo M Moore
Iron is essential for growth and in low iron environments such as serum many bacteria and fungi secrete ferric iron-chelating molecules called siderophores. All fungi produce hydroxamate siderophores with the exception of Mucorales fungi, which secrete rhizoferrin, a polycarboxylate siderophore. Here we investigated the biosynthesis of rhizoferrin by the opportunistic human pathogen, Rhizopus delemar. We searched the genome of R. delemar 99-880 for a homologue of the bacterial NRPS-independent siderophore (NIS) protein, SfnaD, that is involved in biosynthesis of staphyloferrin A in Staphylococcus aureus...
June 10, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28584909/a-review-of-phosphate-binders-in-chronic-kidney-disease-incremental-progress-or-just-higher-costs
#4
REVIEW
Wendy L St Peter, Lori D Wazny, Eric Weinhandl, Katie E Cardone, Joanna Q Hudson
As kidney disease progresses, phosphorus retention also increases, and phosphate binders are used to treat hyperphosphatemia. Clinicians prescribe phosphate binders thinking that reducing total body burden of phosphorus may decrease risks of mineral and bone disorder, fractures, cardiovascular disease, progression of kidney disease, and mortality. Recent meta-analyses suggest that sevelamer use results in lower mortality than use of calcium-containing phosphate binders. However, studies included in meta-analyses show significant heterogeneity, and exclusion or inclusion of specific studies alters results...
June 5, 2017: Drugs
https://www.readbyqxmd.com/read/28583206/iron-availability-affects-west-nile-virus-infection-in-its-mosquito-vector
#5
Jean-Bernard Duchemin, Prasad N Paradkar
BACKGROUND: Mosquitoes are responsible for transmission of viruses, including dengue, West Nile and chikungunya viruses. Female mosquitoes are infected when they blood-feed on vertebrates, a required step for oogenesis. During this process, mosquitoes encounter high iron loads. Since iron is an essential nutrient for most organisms, including pathogens, one of the defense mechanisms for the host includes sequestration of iron away from the invading pathogen. Here, we determine whether iron availability affects viral replication in mosquitoes...
June 5, 2017: Virology Journal
https://www.readbyqxmd.com/read/28578696/nasal-delivery-of-nanoliposome-encapsulated-ferric-ammonium-citrate-can-increase-the-iron-content-of-rat-brain
#6
Xueling Guo, Hong Zheng, Yuetong Guo, Yan Wang, Gregory J Anderson, Yunzhe Ci, Peng Yu, Lina Geng, Yan-Zhong Chang
BACKGROUND: Iron deficiency in children can have significant neurological consequences, and iron supplementation is an effective treatment of choice. However, traditional routes of iron supplementation do not allow efficient iron delivery to the brain due to the presence of the blood-brain barrier. So an easily delivered iron formulation with high absorption efficiency potentially could find widespread application in iron deficient infants. RESULTS: In this study, we have developed and characterized a nanovesicular formulation of ferric ammonium citrate (ferric ammonium citrate nanoliposomes, FAC-LIP) and have shown that it can increase brain iron levels in rats following nasal administration...
June 2, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28561732/ferric-citrate-controls-serum-phosphorus-in-dialysis-patients-retrospective-data%C3%A2
#7
Debra J Hain, Meredith Marinaro, David W Koeper, Melissa A Rosenthal, Salvatore Chillemi, Jennifer M Huffman, Teresa Gerbeling, James M Pritsiolas, Lisa C Loram, Pablo E Pergola
Ferric citrate is an approved phosphate binder for use in patients with chronic kidney disease on dialysis. Clinical trials demonstrated that ferric citrate controlled serum phosphorus levels and increased iron stores. The aim of this retrospective chart review was to evaluate real-world bone mineral and anemia parameter data from patients treated with ferric citrate. 92 adult dialysis patients taking ferric citrate (average starting dose of 6 tablets/day) for at least 6 months were included. Bone mineral, anemia, and iron biomarker levels were extracted from patient medical records before and during the first 6 months of ferric citrate treatment; 21 (23%) patients were phosphate binder naïve, and 71 (77%) patients had been on other phosphate binders...
May 31, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28531849/heterotrophy-of-filamentous-oleaginous-microalgae-tribonema-minus-for-potential-production-of-lipid-and-palmitoleic-acid
#8
Wenjun Zhou, Hui Wang, Lin Chen, Wentao Cheng, Tianzhong Liu
Heterotrophic fermentation and high valuable co-product producing are thought to be effective ways to improve the economic viability and feasibility of commercial production of microalgae biofuels. This work reported the heterotrophic cultivation of Tribonema minus for lipid and palmitoleic acid (a novel functional fatty acid) production. Firstly, the heterotrophic ability of T. minus was identified for the first time with significant promotion in biomass and lipid productivity, and glucose and urea were then selected as the optimal carbon and nitrogen sources...
September 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28523645/enhancement-of-total-lipid-yield-by-nitrogen-carbon-and-iron-supplementation-in-isolated-microalgae
#9
Ramachandran Sivaramakrishnan, Aran Incharoensakdi
The biochemical contents and biodiesel production ability of three microalgal strains grown under different sodium nitrate, sodium carbonate, and ferric ammonium citrate (iron) levels were investigated. The highest biomass and lipid contents were found in Scenedesmus sp., Chlorella sp., and Chlamydomonas sp. when grown in normal BG-11 containing sodium carbonate concentration at 0.03 g · L(-1) , and in normal BG-11 containing iron concentration at 0.009 or 0.012 g · L(-1) . Increasing the sodium nitrate level increased the biomass content, but decreased the lipid content in all three microalgae...
May 18, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28515173/heme-oxygenase-1-mitigates-ferroptosis-in-renal-proximal-tubule-cells
#10
Oreoluwa Adedoyin, Ravindra Boddu, Amie M Traylor, Jeremie M Lever, Subhashini Bolisetty, James George, Anupam Agarwal
Ferroptosis is an iron-dependent form of regulated, non-apoptotic cell death, which contributes to damage in models of acute kidney injury (AKI). Heme oxygenase-1 (HO-1) is a cytoprotective enzyme induced in response to cellular stress, and is protective against AKI due to its anti-apoptotic and anti-inflammatory properties. However, the role of HO-1 in regulating ferroptosis is unclear. The purpose of this study was to elucidate the role of HO-1 in regulating ferroptotic cell death in renal proximal tubule cells (PTCs)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28500782/melatonin-protects-bone-marrow-mesenchymal-stem-cells-against-iron-overload-induced-osteogenic-differentiation-dysfunction-and-senescence
#11
Fan Yang, Lei Yang, Yuan Li, Gege Yan, Chao Feng, Tianyi Liu, Rui Gong, Ye Yuan, Ning Wang, Elina Idiiatullina, Timur Bikkuzin, Valentin Pavlov, Yang Li, Chaorun Dong, Dawei Wang, Yang Cao, Zhenbo Han, Lai Zhang, Qi Huang, Fengzhi Ding, Zhengang Bi, Benzhi Cai
Bone marrow mesenchymal stem cells (BMSCs) are an expandable population of stem cells which can differentiate into osteoblasts, chondrocytes and adipocytes. Dysfunction of BMSCs in response to pathological stimuli contributes to bone diseases. Melatonin, a hormone secreted from pineal gland, has been proved to be an important mediator in bone formation and mineralization. The aim of this study was to investigate whether melatonin protected against iron overload-induced dysfunction of BMSCs and its underlying mechanisms...
May 13, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28494293/fate-of-arsenic-before-and-after-chemical-enhanced-washing-of-an-arsenic-containing-soil-in-hong-kong
#12
Jingzi Beiyuan, Jiang-Shan Li, Daniel C W Tsang, Lei Wang, Chi Sun Poon, Xiang-Dong Li, Scott Fendorf
This study evaluated the feasibility of 2-h chemical-enhanced washing of As-containing soil resulting from geogenic sources in Hong Kong and the fate of As before and after remediation. The soil morphology and As speciation in soil was elucidated by scanning electron microscopy with energy dispersive X-ray spectroscopy, X-ray diffractometer, X-ray photoelectron spectroscopy, and X-ray absorption spectroscopy. Integrated analysis of the results suggests that the As (>90%) resides predominantly as arsenate bound to ferric iron oxides, with a minor contribution (<10%) from an As(III)-sulphide phase...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28465262/non-thermal-plasma-induces-a-stress-response-in-mesothelioma-cells-resulting-in-increased-endocytosis-lysosome-biogenesis-and-autophagy
#13
Lei Shi, Fumiya Ito, Yue Wang, Yasumasa Okazaki, Hiromasa Tanaka, Masaaki Mizuno, Masaru Hori, Tasuku Hirayama, Hideko Nagasawa, Des R Richardson, Shinya Toyokuni
Non-thermal plasma (NTP) is a potential new therapeutic modality for cancer. However, its mechanism of action remains unclear. Herein, we studied the effect of NTP on mesothelioma cells and fibroblasts to understand its anti-proliferative efficacy. Interestingly, NTP demonstrated greater selective anti-proliferative activity against mesothelioma cells relative to fibroblasts than cisplatin, which is used for mesothelioma treatment. The anti-proliferative effect of NTP was enhanced by pre-incubation with the cellular iron donor, ferric ammonium citrate (FAC), and inhibited by iron chelation using desferrioxamine (DFO)...
May 2, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28465088/nrf2-are-signaling-provides-neuroprotection-in-traumatic-brain-injury-via-modulation-of-the-ubiquitin-proteasome-system
#14
Hui Ding, Xiaoliang Wang, Handong Wang, Lin Zhu, Qiang Wang, Yue Jia, Wuting Wei, Chenhui Zhou, Heming Wu, Ke Ding
The nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway exhibits protective effects in a variety of neurological diseases. However, the role of this pathway in traumatic brain injury (TBI) is not fully understood. This study investigates whether the Nrf2-ARE pathway provides neuroprotection following TBI via regulation of the ubiquitin proteasome system (UPS), and examines the involvement of this pathway in redox homeostasis. We found that activation the Nrf2-ARE pathway can mitigate secondary brain injury induced by TBI...
April 29, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28415572/inhibition-of-iron-overload-induced-apoptosis-and-necrosis-of-bone-marrow-mesenchymal-stem-cells-by-melatonin
#15
Fan Yang, Yuan Li, Gege Yan, Tianyi Liu, Chao Feng, Rui Gong, Ye Yuan, Fengzhi Ding, Lai Zhang, Elina Idiiatullina, Valentin Pavlov, Zhenbo Han, Wenya Ma, Qi Huang, Ying Yu, Zhengyi Bao, Xiuxiu Wang, Bingjie Hua, Zhimin Du, Benzhi Cai, Lei Yang
Iron overload induces severe damage to several vital organs such as the liver, heart and bone, and thus contributes to the dysfunction of these organs. The aim of this study is to investigate whether iron overload causes the apoptosis and necrosis of bone marrow mesenchymal stem cells (BMSCs) and melatonin may prevent its toxicity. Perls' Prussion blue staining showed that exposure to increased concentrations of ferric ammonium citrate (FAC) induced a gradual increase of intracellular iron level in BMSCs. Trypan blue staining demonstrated that FAC decreased the viability of BMSCs in a concentration-dependent manner...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392783/agro-industrial-wastes-for-production-of-biosurfactant-by-bacillus-subtilis-anr-88-and-its-application-in-synthesis-of-silver-and-gold-nanoparticles
#16
Ashwini N Rane, Vishakha V Baikar, D V Ravi Kumar, Rajendra L Deopurkar
Biosurfactants, surface-active amphiphilic compounds, despite having a wide range of applications, have a high cost of production, which severely restricts their use. For cheaper production of biosurfactant, we investigated the potential of the indigenously isolated biosurfactant producing organism, Bacillus subtilis ANR 88, to grow on different cheap carbon sources (molasses, whey, and extracts of potato peels, orange peels, banana peels, and bagasse). We found that, B. subtilis ANR 88 used significant amounts of total sugar to produce cell biomass and biosurfactant...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28373869/the-role-of-enriched-microbial-consortium-on-iron-reducing-bioaugmentation-in-sediments
#17
Yuanyuan Pan, Xunan Yang, Meiying Xu, Guoping Sun
Microbial iron reduction is an important biogeochemical process and involved in various engineered processes, including the traditional clay dyeing processes. Bioaugmentation with iron reducing bacteria (IRB) is generally considered as an effective method to enhance the activity of iron reduction. However, limited information is available about the role of IRB on bioaugmentation. To reveal the roles of introduced IRB on bioaugmentation, an IRB consortium enriched with ferric citrate was inoculated into three Fe(II)-poor sediments which served as the pigments for Gambiered Guangdong silk dyeing...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28371161/ferric-pyrophosphate-citrate-as-an-iron-replacement-agent-for-patients-receiving-hemodialysis
#18
REVIEW
Steven Fishbane, Hitesh H Shah
Treatment of anemia remains an integral component in the care of patients with end stage kidney disease receiving dialysis. Currently, both erythropoiesis stimulating agents and iron replacement agents remain important anemia management strategies for patients undergoing hemodialysis (HD). Ferric pyrophosphate citrate (FPC) was approved by the U.S. Food and Drug Administration in January 2015 as an iron replacement product in adult patients receiving long-term maintenance HD. FPC is administered to patients on HD through the dialysate...
June 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28367088/regulation-of-dmt1-on-autophagy-and-apoptosis-in-osteoblast
#19
Fei Liu, Wei-Lin Zhang, Hong-Zheng Meng, Zheng-Yu Cai, Mao-Wei Yang
Iron overload has recently been associated with the changes in the bone microstructure that occur in osteoporosis. However, the effect of iron overload on osteoblasts is unclear. The purpose of this study was to explore the function of divalent metal transporter 1 (DMT1) in the pathological processes of osteoporosis. Osteoblast hFOB1.19 cells were cultured in medium supplemented with different concentrations (0, 50, 100, 200, 300, 400, 500 μmol/L) of ferric ammonium citrate (FAC) as a donor of ferric ions...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28248961/effects-of-different-phosphate-lowering-strategies-in-patients-with-ckd-on-laboratory-outcomes-a-systematic-review-and-nma
#20
Nigar Sekercioglu, Argie Angeliki Veroniki, Lehana Thabane, Jason W Busse, Noori Akhtar-Danesh, Alfonso Iorio, Luciane Cruz Lopes, Gordon H Guyatt
BACKGROUND: Chronic kidney disease-mineral and bone disorder (CKD-MBD), a complication of chronic kidney disease, has been linked to reduced quality and length of life. High serum phosphate levels that result from CKD-MBD require phosphate-lowering agents, also known as phosphate binders. The objective of this systematic review is to compare the effects of available phosphate binders on laboratory outcomes in patients with CKD-MBD. METHODS: Data sources included MEDLINE and EMBASE from January 1996 to April 2016, and the Cochrane Register of Controlled Trials up to April 2016...
2017: PloS One
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