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Tim M Conway et al.
Nature, 511(7508), 212-215 (2014-07-11)
Dissolved iron is an essential micronutrient for marine phytoplankton, and its availability controls patterns of primary productivity and carbon cycling throughout the oceans. The relative importance of different sources of iron to the oceans is not well known, however, and
Parenteral iron as a cause of hypophosphataemia.
Francisco J Fernández-Fernández et al.
BMJ (Clinical research ed.), 349, g4616-g4616 (2014-07-17)
Abigail Trejo-Hernández et al.
The ISME journal, 8(10), 1974-1988 (2014-04-18)
Inter-kingdom and interspecies interactions are ubiquitous in nature and are important for the survival of species and ecological balance. The investigation of microbe-microbe interactions is essential for understanding the in vivo activities of commensal and pathogenic microorganisms. Candida albicans, a
Matthew Stroh et al.
Biochemical pharmacology, 88(4), 573-583 (2013-12-24)
A popular, if not centric, approach to the study of an event is to first consider that of the simplest cause. When dissecting the underlying mechanisms governing idiopathic diseases, this generally takes the form of an ab initio genetic approach.
Femkje A M Jonker et al.
Journal of clinical pathology, 67(8), 717-723 (2014-06-12)
Iron deficiency is an important child health problem. Its diagnosis in areas of high infection exposure remains complicated as inflammation may interfere with the accuracy of peripheral iron markers. With this study, we aimed to validate the conventional iron markers
Hypoferremia of infection: a double-edged sword?
Kristen L Lokken et al.
Nature medicine, 20(4), 335-337 (2014-04-09)
Caterina Borgna-Pignatti et al.
British journal of haematology, 167(1), 121-126 (2014-07-06)
The risk of developing hepatocellular carcinoma (HCC) in patients with thalassaemia is increased by transfusion-transmitted infections and haemosiderosis. All Italian Thalassaemia Centres use an ad hoc form to report all diagnoses of HCC to the Italian Registry. Since our last
Nosratola D Vaziri
Nephrology news & issues, 28(2), 4-5 (2014-03-22)
Loss of blood associated with hemodialysis procedures and laboratory testing, together with impaired iron absorption due to elevation of hepcidin, invariably cause iron deficiency in end-stage renal disease patients. For this reason, nearly all ESRD patients require intravenous iron to
Carmen S D Rodrigues et al.
Environmental technology, 35(9-12), 1307-1319 (2014-04-08)
This study aims to investigate the efficiency of individual and integrated processes applied to organic matter abatement and biodegradability improvement of a polyester dyeing wastewater, namely coagulation/flocculation combined with Fenton's reagent (Approach 1), Fenton oxidation alone (Approach 2) and its
Hong-Seok Kim et al.
Chemosphere, 113, 93-100 (2014-07-30)
Effects of anions (NO3(-), HCO3(-), Cl(-), SO4(2-)) and humic acid on the reactivity and core/shell chemistries of polyacrylic acid-coated nanoscale zero-valent iron (PAA-NZVI) and inorganically modified NZVI (INORG-NZVI) particles were investigated. The reactivity tests under various ion concentrations (0.2-30mN) revealed
Microcytic anemia.
Thomas G DeLoughery
The New England journal of medicine, 371(26), 2537-2537 (2014-12-30)
Sandro Silva-Gomes et al.
Frontiers in cellular and infection microbiology, 3, 96-96 (2013-12-25)
Due to their chemical versatility, transition metals were incorporated as cofactors for several basic metabolic pathways in living organisms. This same characteristic makes them potentially harmful, since they can be engaged in deleterious reactions like Fenton chemistry. As such, organisms
Isabelle R Miousse et al.
Radiation research, 182(1), 92-101 (2014-06-25)
There is an increasing need to better understand the long-term health effects of high-linear energy transfer (LET) radiation due to exposure during space missions, as well as its increasing use in clinical treatments. Previous studies have indicated that exposure to
Don-Kyu Kim et al.
Nature medicine, 20(4), 419-424 (2014-03-25)
In response to microbial infection, expression of the defensin-like peptide hepcidin (encoded by Hamp) is induced in hepatocytes to decrease iron release from macrophages. To elucidate the mechanism by which Salmonella enterica var. Typhimurium (S. typhimurium), an intramacrophage bacterium, alters
Goldie Y L Lui et al.
Molecular pharmacology, 87(3), 543-560 (2015-01-07)
Pharmacologic manipulation of metal pools in tumor cells is a promising strategy for cancer treatment. Here, we reveal how the iron-binding ligands desferrioxamine (DFO), di-2-pyridylketone-4,4-dimethyl-3-thiosemicarbazone (Dp44mT), and di-2-pyridylketone 4-cyclohexyl-4-methyl-3-thiosemicarbazone (DpC) inhibit constitutive and interleukin 6-induced activation of signal transducer and
Judith Ernst et al.
Food and nutrition bulletin, 35(4 Suppl), S198-S204 (2015-02-03)
Preliminary evidence suggests that improved nutrition early in HIV infection may delay progression to AIDS and delay the initiation or improve the effectiveness of antiretroviral drug therapy. There are few studies that evaluate food-based interventions in drug-naïve, HIV-infected women and
Magnus Steigedal et al.
Journal of immunology (Baltimore, Md. : 1950), 193(12), 6081-6089 (2014-11-16)
Competition for iron is a critical component of successful bacterial infections, but the underlying in vivo mechanisms are poorly understood. We have previously demonstrated that lipocalin 2 (LCN2) is an innate immunity protein that binds to bacterial siderophores and starves
William E Winter et al.
Laboratory medicine, 45(2), 92-102 (2014-05-30)
Iron is one of the most important nonorganic substances that make life possible. Iron plays major roles in oxygen transport (eg, hemoglobin; -67% of total body iron [TBI]), short-term oxygen storage (eg, myoglobin; -3.5% of TBI), and energy generation (eg
Qiu et al.
Physical review letters, 85(7), 1492-1495 (2000-09-06)
FeF (2) films are grown by the reaction of XeF (2) and SeF (6) with iron foil. The growth initially follows the Mott-Cabrera parabolic rate law, indicating that the process is diffusion limited. At a certain film thickness, however, the
Shee Chien Yong et al.
Science (New York, N.Y.), 345(6201), 1170-1173 (2014-09-06)
Alkaline phosphatases play a crucial role in phosphate acquisition by microorganisms. To expand our understanding of catalysis by this class of enzymes, we have determined the structure of the widely occurring microbial alkaline phosphatase PhoX. The enzyme contains a complex
Joseph Marie Sieliechi et al.
Environmental technology, 35(13-16), 1831-1839 (2014-06-25)
In this study, spatial and seasonal variations of phosphorus fractions in Lake Bini sediments were evaluated using a sequential extraction method. The sampling of water and sediments (surface and coring) was carried out at seven sites around the lake during
Robert F Anderson et al.
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 372(2019), 20130054-20130054 (2014-06-04)
Fluxes of lithogenic material and fluxes of three palaeo-productivity proxies (organic carbon, biogenic opal and alkenones) over the past 100,000 years were determined using the (230)Th-normalization method in three sediment cores from the Subantarctic South Atlantic Ocean. Features in the
Yu Wang et al.
Biochimica et biophysica acta, 1840(10), 3022-3033 (2014-07-06)
The neurodegenerative disease Friedreich's ataxia is the result of frataxin deficiency. Frataxin is a mitochondrial protein involved in iron-sulfur cluster (Fe-S) cofactor biogenesis, but its functional role in this pathway is debated. This is due to the interconnectivity of iron
Microcytic anemia.
Shraga Aviner et al.
The New England journal of medicine, 371(26), 2536-2536 (2014-12-30)
Ocean chemistry: Fingerprints of a trace nutrient.
Joseph A Resing et al.
Nature, 511(7508), 164-165 (2014-07-11)
Ocean Science. Microbial proteins and oceanic nutrient cycles.
C Mark Moore
Science (New York, N.Y.), 345(6201), 1120-1121 (2014-09-06)
Stuart B Krasnoff et al.
Journal of natural products, 77(7), 1685-1692 (2014-07-06)
Under iron-depleted culture conditions, the entomopathogenic fungus Metarhizium robertsii (Bischoff, Humber, and Rehner) (= M. anisopliae) produces a complex of extracellular siderophores including novel O-glycosylated and N-oxidized coprogen-type compounds as well as the known fungal siderophores N(α)-dimethylcoprogen (NADC) and dimerumic
Eduard J van Beers et al.
Circulation research, 116(2), 298-306 (2014-11-08)
Patients with sickle cell disease (SCD) have markers of chronic inflammation, but the mechanism of inflammation and its relevance to patient survival are unknown. To assess the relationship between iron, inflammation, and early death in SCD. Using peripheral blood mononuclear
Nicole Rietzschel et al.
Molecular and cellular biology, 35(2), 370-378 (2014-11-05)
Iron is an essential, yet at elevated concentrations toxic trace element. To date, the mechanisms of iron sensing by eukaryotic iron-responsive transcription factors are poorly understood. The Saccharomyces cerevisiae transcription factor Yap5, a member of the Yap family of bZIP
Laura M van Staalduinen et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(14), 5171-5176 (2014-04-08)
The enzymes PhnY and PhnZ comprise an oxidative catabolic pathway that enables marine bacteria to use 2-aminoethylphosphonic acid as a source of inorganic phosphate. PhnZ is notable for catalyzing the oxidative cleavage of a carbon-phosphorus bond using Fe(II) and dioxygen
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