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Manganism

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https://www.readbyqxmd.com/read/29324899/the-effects-of-high-dose-of-two-manganese-supplements-organic-and-inorganic-on-the-rumen-microbial-ecosystem
#1
Svetlana Kišidayová, Peter Pristaš, Michaela Zimovčáková, Monika Blanár Wencelová, Lucia Homol'ová, Katarína Mihaliková, Klaudia Čobanová, Ľubomíra Grešáková, Zora Váradyová
Little is known about the effects of the high dose and types of manganese supplements on rumen environment at manganese intake level close above the limit of 150 mg/kg of dry feed matter. The effects of high dose of two manganese supplements (organic and inorganic) on rumen microbial ecosystem after four months of treatment of 18 lambs divided into three treatment groups were studied. We examined the enzyme activities (α-amylase, xylanase, and carboxymethyl cellulase), total and differential microscopic counts of rumen ciliates, total microscopic counts of bacteria, and fingerprinting pattern of the eubacterial and ciliates population analyzed by PCR-DGGE...
2018: PloS One
https://www.readbyqxmd.com/read/29319240/cobalt-doped-perovskite-type-oxide-lamno3-as-bifunctional-oxygen-catalysts-for-hybrid-lithium-oxygen-batteries
#2
Xiao Liu, Hao Gong, Tao Wang, Hu Guo, Li Song, Wei Xia, Bin Gao, Zhongyi Jiang, Linfei Feng, Jianping He
Perovskite-type oxides based on alkaline-earth containing lanthanum manganate are the promising catalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in alkaline electrolyte. The perovskite-type LaMnO3 shows excellent ORR performance but poor OER activity. In order to improve OER performance of LaMnO3, the element Co is doped into the perovskite-type LaMnO3 via a sol-gel method with following calcination process. To assess electrocatalytic activities for ORR and OER, a series of prepared LaMn1-xCoxO3 (x = 0, 0...
January 10, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29283564/kinetics-of-decomposition-of-thiocyanate-in-natural-aquatic-systems
#3
Irina Kurashova, Itay Halevy, Alexey Kamyshny
Rates of thiocyanate degradation were measured in waters and sediments of marine and limnic systems under various redox conditions, oxic, anoxic (non-sulfidic, non-ferruginous, non-manganous), ferruginous, sulfidic, and manganous, for up to 200-day period at micromolar concentrations of thiocyanate. The decomposition rates in natural aquatic systems were found to be controlled by microbial processes under both oxic and anoxic conditions. The Michaelis-Menten model was applied for description of the decomposition kinetics...
December 28, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29280931/pre-injury-patient-characteristics-and-post-injury-neurological-status-are-associated-with-mortality-following-spinal-cord-injury
#4
David S Casper, Benjamin Zmistowski, Gregory D Schroeder, James C McKenzie, John Mangan, Jayanth Vatson, Alan S Hilibrand, Alexander R Vaccaro, Christopher K Kepler
STUDY DESIGN: Retrospective cohort study OBJECTIVES.: This study investigates the association between SCI and post-injury mortality. SUMMARY OF BACKGROUND DATA: Spinal Cord Injuries (SCI) are severe conditions treated in the acute trauma setting. Due to neurological deficits, unstable spinal columns, and associated injuries, these patients often have complex inpatient hospitalizations with significant morbidity and mortality. It is assumed that a high rate of post-injury mortality would follow such severe injuries; however, the effect of SCI, and its treatment on predictors of longevity remain largely unknown...
December 26, 2017: Spine
https://www.readbyqxmd.com/read/29273908/evaluating-the-solvation-properties-of-metal-containing-ionic-liquids-using-the-solvation-parameter-model
#5
He Nan, Liese Peterson, Jared L Anderson
Ionic liquids (IL) have been utilized as gas chromatography stationary phases due to their high thermal stability, negligible vapor pressure, wide liquid range, and the ability to solvate a range of analytes. In this study, the solvation properties of eight room temperature ILs containing various transition and rare earth metal centers [e.g., Mn(II), Co(II), Ni(II), Nd(III), Gd(III), and Dy(III)] are characterized using the Abraham solvation parameter model. These metal-containing ILs (MCILs) consist of the trihexyl(tetradecyl)phosphonium cation and functionalized acetylacetonate ligands chelated to various metals...
December 23, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29262272/effects-of-carbohydrate-mouth-rinse-and-caffeine-on-high-intensity-interval-running-in-a-fed-state
#6
Simon Devenney, Shane Mangan, Marcus Shortall, Kieran Collins
The current study aims to identify if mouth rinsing with a 6% carbohydrate solution (CMR) and mouth rinsing and ingestion of caffeine (CMR+CAFF) can affect exercise performance during steady state (SS) running and high intensity intervals (HIT) in comparison to a 0% control solution (PLA), when in a fed state. Eight recreationally trained males completed three trials (CMR, CMR + CAFF, and PLA) of 45-min SS run and a HIT protocol (90% peak treadmill velocity) until fatigue in a double blinded, repeated measures study...
December 20, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29216121/surface-nanoscale-axial-photonics-at-a-capillary-fiber-publisher-s-note
#7
T Hamidfar, A Dmitriev, B Mangan, P Bianucci, M Sumetsky
This publisher's note corrects the surname of one of the authors of Opt. Lett.42, 3060 (2017)OPLEDP0146-959210.1364/OL.42.003060.
December 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/29197431/measuring-adherence-to-evidence-based-clinical-practice-guidelines
#8
Richard Clark, Utsana Tonmukayakul, Yvonne Mangan, Michael Smith, Mark Gussy, David Manton, Denise Bailey, Hanny Calache
OBJECTIVES: Dental Health Services Victoria publishes evidence-based clinical practice guidelines (CPGs) to assist public oral health practitioners to provide high-quality dental care. How well these CPGs are implemented into practice is unknown. The aim of this study was to assess adherence to selected CPGs. METHODS: An electronic auditing tool was developed using clinical indicators derived for "stainless steel crown (SSC)," "restorative care for children under general anesthetic (GA)," and "direct restorative materials" CPG...
December 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29193611/effect-of-the-cross-talk-between-autophagy-and-endoplasmic-reticulum-stress-on-mn-induced-alpha-synuclein-oligomerization
#9
Chang Liu, Dong-Ying Yan, Xuan Tan, Zhuo Ma, Can Wang, Yu Deng, Wei Liu, Tian-Yao Yang, Zhao-Fa Xu, Bin Xu
Overexposure to manganese (Mn) has been known to induce alpha-synuclein (α-Syn) oligomerization, which is degraded mainly depending on endoplasmic reticulum stress (ER stress) and autophagy pathways. However, little data reported the cross-talk between ER stress and autophagy on Mn-induced α-Syn oligomerization. To explore the relationship between ER stress and autophagy, we used 4-phenylbutyric acid (4-PBA, the ER stress inhibitor), rapamycin (Rap, autophagy activator) and 3-methyladenine (3-MA, autophagy inhibitor) in mice model of manganism...
November 29, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29187603/defining-the-distinct-intrinsic-properties-of-the-novel-type-i-interferon-epsilon
#10
Sebastian A Stifter, Antony Y Matthews, Niamh E Mangan, Ka Yee Fung, Alexander Drew, Michelle D Tate, Tatiana P Soares da Costa, Daniel Hampsey, Jemma Mayall, Phil M Hansbro, Albert Garcia Minambres, Sahar G Eid, Johnson Mak, Judy Scoble, George Lovrecz, Nicole A de Weerd, Paul J Hertzog
The type I interferons (IFNs) are a family of cytokines with diverse biological activities including antiviral, antiproliferative, and immunoregulatory functions. The discovery of the hormonally regulated, constitutively expressed IFNϵ has suggested a function for IFNs in reproductive tract homeostasis and protection from infections, but its intrinsic activities are untested. We report here the expression, purification, and functional characterization of murine IFNϵ (mIFNϵ). Recombinant mIFNϵ (rmIFNϵ) exhibited an α-helical fold characteristic of type I IFNs and bound to IFN alpha/beta receptor 1 (IFNAR1) and IFNAR2, but, unusually, it had a preference for IFNAR1...
November 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29183790/17%C3%AE-estradiol-and-tamoxifen-protect-mice-from-manganese-induced-dopaminergic-neurotoxicity
#11
Edward Pajarillo, James Johnson, Judong Kim, Pratap Karki, Deok-Soo Son, Michael Aschner, Eunsook Lee
Chronic exposure to manganese (Mn) causes neurotoxicity, referred to as manganism, with common clinical features of parkinsonism. 17β-estradiol (E2) and tamoxifen (TX), a selective estrogen receptor modulator (SERM), afford neuroprotection in several neurological disorders, including Parkinson's disease (PD). In the present study, we tested if E2 and TX attenuate Mn-induced neurotoxicity in mice, assessing motor deficit and dopaminergic neurodegeneration. We implanted E2 and TX pellets in the back of the neck of ovariectomized C57BL/6 mice two weeks prior to a single injection of Mn into the striatum...
November 26, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/29133695/manganese-manganism-and-other-neurodegenerative-diseases-is-it-a-cause-of-concern
#12
Imran Rizvi, Ravindra Kumar Garg, Hardeep Singh Malhotra, Neeraj Kumar, Ravi Uniyal
No abstract text is available yet for this article.
November 2017: Neurology India
https://www.readbyqxmd.com/read/29133694/manganese-in-manganism-parkinson-s-disease-huntington-s-disease-amyotrophic-lateral-sclerosis-and-batten-disease-a-narrative-review
#13
REVIEW
Owen Proudfoot
The collective evidence to date suggests that environmental exposure to excessive amounts of manganese (Mn) can cause a neurodegenerative condition known as manganism. It is now also relatively clear that Mn is involved in the pathogenesis of Alzheimer's disease and at least some prion diseases. The potential involvement of Mn in a panel of other neurodegenerative conditions including Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, and Batten disease has been suggested and investigated, but the results to date are somewhat inconclusive...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29120985/the-influence-of-team-rating-on-running-performance-in-elite-gaelic-football
#14
Shane Mangan, Shane Malone, Martin Ryan, Jason Mc Gahan, Joe Warne, Denise Martin, Cian O'Neill, Con Burns, Kieran Collins
It is currently unknown how team rating influences running performance in Gaelic football. GPS technologies were used to quantify match-running performance within 5 elite Gaelic football teams over a period of 5 years (2012-2016). In total 780 player data sets were collected over 95 matches. Running performance variables included total distance, high-speed distance (≥17 km h) and the percentage of high-speed distance. Team ratings were determined objectively using the Elo Ratings System for Gaelic football...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29065245/mangankomplexe-in-der-de-hydrier-katalyse-ein-vergleich-mit-kobalt-und-eisenkatalysatoren
#15
Rhett Kempe, Fabian Kallmeier
Der nachhaltige Umgang mit den Ressourcen unseres Planeten ist essentiell. Edelmetalle sind sehr selten und werden vielfältig in Schlüsseltechnologien genutzt, zu denen insbesondere die Katalyse zählt. Mangan ist das dritthäufigste Übergangsmetall der Erdkruste und aufgrund seiner kürzlich entdeckten beeindruckenden Reaktivität für Hydrier- und Dehydrierreaktionen ein potenziell geeigneter "Edelmetallersatz". An einen derartigen "Ersatz" sind auch Hoffnungen auf neuartige, durch Edelmetalle nicht vermittelbare, Selektivitätsprofile geknüpft...
October 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29046378/fluctuating-seawater-ph-pco2-regimes-are-more-energetically-expensive-than-static-ph-pco2-levels-in-the-mussel-mytilus-edulis
#16
Stephanie Mangan, Mauricio A Urbina, Helen S Findlay, Rod W Wilson, Ceri Lewis
Ocean acidification (OA) studies typically use stable open-ocean pH or CO2 values. However, species living within dynamic coastal environments can naturally experience wide fluctuations in abiotic factors, suggesting their responses to stable pH conditions may not be reflective of either present or near-future conditions. Here we investigate the physiological responses of the mussel Mytilus edulis to variable seawater pH conditions over short- (6 h) and medium-term (2 weeks) exposures under both current and near-future OA scenarios...
October 25, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29042516/across-the-tree-of-life-radiation-resistance-is-governed-by-antioxidant-mn-2-gauged-by-paramagnetic-resonance
#17
Ajay Sharma, Elena K Gaidamakova, Olga Grichenko, Vera Y Matrosova, Veronika Hoeke, Polina Klimenkova, Isabel H Conze, Robert P Volpe, Rok Tkavc, Cene Gostinčar, Nina Gunde-Cimerman, Jocelyne DiRuggiero, Igor Shuryak, Andrew Ozarowski, Brian M Hoffman, Michael J Daly
Despite concerted functional genomic efforts to understand the complex phenotype of ionizing radiation (IR) resistance, a genome sequence cannot predict whether a cell is IR-resistant or not. Instead, we report that absorption-display electron paramagnetic resonance (EPR) spectroscopy of nonirradiated cells is highly diagnostic of IR survival and repair efficiency of DNA double-strand breaks (DSBs) caused by exposure to gamma radiation across archaea, bacteria, and eukaryotes, including fungi and human cells...
October 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29032009/potential-for-stem-cell-treatment-in-manganism
#18
Thatiane C de Moura, Szeifoul Afadlal, Alan S Hazell
Development of manganism (also known as manganese neurotoxicity) is a major complication of manganese exposure in which neurological dysfunction is linked to accumulation of the metal in brain. Due to neuronal cell death in basal ganglia structures, particularly the globus pallidus, functional recovery is limited. Bearing a resemblance to Parkinson's disease, effective treatment for manganism is currently limited. However, the rapidly developing field of stem cell research offers new hope for the treatment of illnesses in which neurodegeneration is a major feature...
October 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28945732/renal-gi-and-peripheral-nerves-evidence-based-recommendations-for-the-management-of-symptoms-and-care-for-patients-with-multiple-myeloma
#19
Beth Faiman, Deborah Doss, Kathleen Colson, Patricia Mangan, Tracy King, Joseph D Tariman
BACKGROUND: A majority of patients with multiple myeloma experience damage to the kidneys and peripheral nerves either at diagnosis or throughout the disease. Symptoms of diarrhea, nausea, vomiting, or constipation can also occur. Prevention and management of disease- and treatment-related side effects are essential to treatment adherence.
. OBJECTIVES: This article aims to provide insight into prevention and management of organ health-related toxicities and give best practice recommendations for optimal nursing care...
October 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28932235/zika-virus-congenital-syndrome-experimental-models-and-clinical-aspects
#20
REVIEW
Carolina Manganeli Polonio, Carla Longo de Freitas, Nagela Ghabdan Zanluqui, Jean Pierre Schatzmann Peron
Viral infections have long been the cause of severe diseases to humans, increasing morbidity and mortality rates worldwide, either in rich or poor countries. Yellow fever virus, H1N1 virus, HIV, dengue virus, hepatitis B and C are well known threats to human health, being responsible for many million deaths annually, associated to a huge economic and social cost. In this context, a recently introduced flavivirus in South America, called Zika virus (ZIKV), led the WHO to declare in February 1st 2016 a warning on Public Health Emergency of International Concern (PHEIC)...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
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