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https://www.readbyqxmd.com/read/29236040/impacts-of-the-2015-heat-waves-on-mortality-in-the-czech-republic-a-comparison-with-previous-heat-waves
#1
Aleš Urban, Hana Hanzlíková, Jan Kyselý, Eva Plavcová
This study aimed to assess the impacts of heat waves during the summer of 2015 on mortality in the Czech Republic and to compare them with those of heat waves back to the previous record-breaking summer of 1994. We analyzed daily natural-cause mortality across the country's entire population. A mortality baseline was determined using generalized additive models adjusted for long-term trends, seasonal and weekly cycles, and identified heat waves. Mortality deviations from the baseline were calculated to quantify excess mortality during heat waves, defined as periods of at least three consecutive days with mean daily temperature higher than the 95th percentile of annual distribution...
December 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29235998/enhanced-degradation-of-micropollutants-by-zero-valent-aluminum-activated-persulfate-assessment-of-toxicity-and-genotoxic-activity
#2
T Olmez-Hanci, I Arslan-Alaton, M Doğan, S Khoei, H Fakhri, G Korkmaz
Advanced oxidation of the aqueous Triton™ X-45 (TX-45), iopamidol (IOPA), ciprofloxacin (CIP) and bisphenol A (BPA) solutions via activation of persulfate (PS) with zero-valent aluminum (ZVA) was investigated. The study aimed at assessing the effectiveness of the PS/ZVA process in terms of target micropollutants (MPs) and toxicity abatements in raw surface water (RSW) and distilled water (DW). TX-45, CIP and BPA were completely degraded after 90-minute, 120-minute and 40-minute treatment, respectively, with PS/ZVA in DW, whereas 95% IOPA removal was achieved after 120-minute (MPs = 2 mg/L; ZVA = 1 g/L; PS = 0...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29233013/biotechnological-potential-for-degradation-of-isoprene-a-review
#3
Navnita Srivastva, Abhishek Singh, Yashpal Bhardwaj, Suresh Kumar Dubey
Isoprene, the ubiquitous, highly emitted non-methane volatile hydrocarbon, affects atmospheric chemistry and human health, and this makes its removal from the contaminated environment imperative. Physicochemical degradation of isoprene is inefficient and generates secondary pollutants. Therefore, biodegradation can be considered as the safer approach for its efficient abatement. This review summarizes efforts in this regard that led to tracking the diverse groups of isoprene degrading bacteria such as Methanotrophs, Xanthobacter, Nocardia, Alcaligenes, Rhodococcus, Actinobacteria, Alphaproteobacteria, Bacteriodetes, Pseudomonas, and Alcanivorax...
December 12, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/29228301/targeted-inhibition-of-janus-kinases-abates-interfon-gamma-induced-invasive-behaviour-of-fibroblast-like-synoviocytes
#4
Thomas Karonitsch, Denise Beckmann, Karolina Dalwigk, Birgit Niederreiter, Paul Studenic, Ruth A Byrne, Johannes Holinka, Florian Sevelda, Adelheid Korb-Pap, Günter Steiner, Josef S Smolen, Thomas Pap, Hans P Kiener
Objectives: The aim was to explore the function of the T-cell cytokine IFNγ for mesenchymal tissue remodelling in RA and to determine whether IFNγ signalling controls the invasive potential of fibroblast-like synoviocytes (FLS). Methods: To assess architectural responses, FLS were cultured in three-dimensional micromasses. FLS motility was analysed in migration and invasion assays. Signalling events relevant to cellular motility were defined by western blots. Baricitinib and small interfering RNA pools were used to suppress Janus kinase (JAK) functions...
December 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/29227872/low-levels-of-iron-enhance-uv-h2o2-efficiency-at-neutral-ph
#5
Sydney L Ulliman, Garrett McKay, Fernando L Rosario-Ortiz, Karl G Linden
While the presence of iron is generally not seen as favorable for UV-based treatment systems due to lamp fouling and decreased UV transmittance, we show that low levels of iron can lead to improvements in the abatement of chemicals in the UV-hydrogen peroxide advanced oxidation process. The oxidation potential of an iron-assisted UV/H2O2 (UV254 + H2O2 + iron) process was evaluated at neutral pH using iron levels below USEPA secondary drinking water standards (<0.3 mg/L). Para-chlorobenzoic acid (pCBA) was used as a hydroxyl radical (HO) probe to quantify HO steady state concentrations...
November 21, 2017: Water Research
https://www.readbyqxmd.com/read/29227285/shifts-in-podocyte-histone-h3k27me3-regulate-mouse-and-human-glomerular-disease
#6
Syamantak Majumder, Karina Thieme, Sri N Batchu, Tamadher A Alghamdi, Bridgit B Bowskill, M Golam Kabir, Youan Liu, Suzanne L Advani, Kathryn E White, Laurette Geldenhuys, Karthik K Tennankore, Penelope Poyah, Ferhan S Siddiqi, Andrew Advani
Histone protein modifications control fate determination during normal development and dedifferentiation during disease. Here, we set out to determine the extent to which dynamic changes to histones affect the differentiated phenotype of ordinarily quiescent adult glomerular podocytes. To do this, we examined the consequences of shifting the balance of the repressive histone H3 lysine 27 trimethylation (H3K27me3) mark in podocytes. Adriamycin nephrotoxicity and subtotal nephrectomy (SNx) studies indicated that deletion of the histone methylating enzyme EZH2 from podocytes decreased H3K27me3 levels and sensitized mice to glomerular disease...
December 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29226684/quantum-dot-based-luminescent-nanoprobes-for-sigma-2-receptor-imaging
#7
Maria Laura Pati, Elisabetta Fanizza, Sonja Hager, Diana Groza, Petra Heffeter, Amelita Grazia Laurenza, Valentino Laquintana, Maria Lucia Curri, Nicoletta Depalo, Carmen Abate, Nunzio Denora
The increasing importance of sigma-2 receptor as target for the diagnosis and therapy of tumours paves the way for the development of innovative optically traceable fluorescent probes as tumour cell contrast and therapeutic agents. Here, a novel hybrid organic-inorganic nanostructure is developed by combining the superior fluorescent properties of inorganic quantum dots (QDs), coated with a hydrophilic silica shell (QD@SiO2 NPs), the versatility of the silica shell and the high selectivity for sigma-2 receptors of the two synthetic ligands, namely the 6-[(6-aminohexyl)oxy]-2-(3-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propyl)-3,4-dihydroisoquinolin-1(2H)-one (MLP66) and 6-[1-[3-(4-cyclohexylpiperazin-1-yl)propyl]-1,2,3,4-tetrahydronaphthalen-5-yloxy]hexylamine (TA6)...
December 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29223555/emerging-roles-of-circular-rna-hsa_circ_0000064-in-the-proliferation-and-metastasis-of-lung-cancer
#8
Yan-Hong Luo, Xiang-Zhi Zhu, Ke-Wei Huang, Qian Zhang, Yan-Xin Fan, Peng-Wei Yan, Jing Wen
Circular RNAs (circRNAs), a novel class of widespread and diverse endogenous RNAs, can regulate gene expression in mammals. CircRNAs have recently been identified as microRNA sponges and involved in the development of some human diseases. However, the role of circRNAs in the process of tumorigenesis and development of lung cancer remains vague. The purpose of this study is to investigate the role of circRNAs in the lung cancer. In this study, we chose hsa_circ_0000064 as a targeted circRNA to investigate its clinical significances in lung cancer patients...
December 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29223552/caffeine-rich-infusion-from-cola-nitida-kola-nut-inhibits-major-carbohydrate-catabolic-enzymes-abates-redox-imbalance-and-modulates-oxidative-dysregulated-metabolic-pathways-and-metabolites-in-fe2-induced-hepatic-toxicity
#9
Ochuko L Erukainure, Olajumoke A Oyebode, Mxolisi K Sokhela, Neil A Koorbanally, Md Shahidul Islam
The antioxidative and antidiabetic effects and toxicity of caffeine-rich infusion of Cola nitida were investigated using in vitro, ex vivo and in silico models. C. nitida was infused in boiling water and allowed to cool before concentrating at <50°C. HPLC analysis of the infusion revealed a caffeine content of 80.08%. The infusion showed potent in vitro antioxidant activity by significantly (p<0.05) scavenging 2,2'-diphenyl-1-picrylhydrazyl (DPPH). It significantly (p<0.05) inhibited α-glucosidase and α-amylase activities...
December 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29222399/pediatric-disorders-of-orthostatic-intolerance
#10
REVIEW
Julian M Stewart, Jeffrey R Boris, Gisela Chelimsky, Phillip R Fischer, John E Fortunato, Blair P Grubb, Geoffrey L Heyer, Imad T Jarjour, Marvin S Medow, Mohammed T Numan, Paolo T Pianosi, Wolfgang Singer, Sally Tarbell, Thomas C Chelimsky
Orthostatic intolerance (OI), having difficulty tolerating an upright posture because of symptoms or signs that abate when returned to supine, is common in pediatrics. For example, ∼40% of people faint during their lives, half of whom faint during adolescence, and the peak age for first faint is 15 years. Because of this, we describe the most common forms of OI in pediatrics and distinguish between chronic and acute OI. These common forms of OI include initial orthostatic hypotension (which is a frequently seen benign condition in youngsters), true orthostatic hypotension (both neurogenic and nonneurogenic), vasovagal syncope, and postural tachycardia syndrome...
December 8, 2017: Pediatrics
https://www.readbyqxmd.com/read/29221167/aggressiveness-pattern-and-second-primary-tumor-risk-associated-with-basaloid-squamous-cell-carcinoma-of-the-larynx
#11
Filippo Ricciardiello, Michele Caraglia, Brigida Iorio, Teresa Abate, Mariarosaria Boccellino, Giuseppe Colella, Flavia Oliva, Pierpaolo Ferrise, Silvia Zappavigna, Mario Faenza, Giuseppe A Ferraro, Giulio Sequino, Giovanni Francesco Nicoletti, Massimo Mesolella
Basaloid squamous cell carcinoma (BSCC) is a rare, aggressive and distinct variant of squamous cell carcinoma (SCC) of the upper respiratory and digestive tract. We have evaluated disease specific survival (DSS) and overall survival (OS) through Kaplan-Meier method and mortality risk through univariate statistical analysis of Cox in 42 cases of BSCC and other 42 of laryngeal SCC (LSCC) matched for both age and sex. We demonstrated that laryngeal BSCC is a more aggressive tumor than LSCC as is associated to higher nodal recurrence of pathology (5 vs 2 patients, overall risk, OR 2...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29217350/clinical-factors-that-affect-perceived-quality-of-life-in-arthroscopic-reconstruction-for-acromioclavicular-joint-dislocation
#12
F Abat, I Gich, L Natera, M Besalduch, J Sarasquete
OBJECTIVE: To analyse the results of arthroscopic repair of acromioclavicular dislocation in terms of health-related quality of life. MATERIAL AND METHOD: Prospective study of patients with acromioclavicular dislocation Rockwood grade iii-v, treated arthroscopically with a mean follow up of 25.4 months. The demographics of the series were recorded and evaluations were performed preoperatively, at 3 months and 2 years with validated questionnaires as Short Form-36 Health Survey (SF-36), visual analogue scale (VAS), The Disabilities of the Arm, Shoulder and Hand (DASH), Constant-Murley Shoulder Outcome Score (Constant) and Walch-Duplay Score (WD)...
December 4, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29216480/comparison-of-pharmaceutical-abatement-in-various-water-matrices-by-conventional-ozonation-peroxone-o3-h2o2-and-an-electro-peroxone-process
#13
Huijiao Wang, Juhong Zhan, Weikun Yao, Bin Wang, Shubo Deng, Jun Huang, Gang Yu, Yujue Wang
Pharmaceutical abatement in a groundwater (GW), surface water (SW), and secondary effluent (SE) by conventional ozonation, the conventional peroxone (O3/H2O2), and the electro-peroxone (E-peroxone) processes was compared in batch tests. SE had significantly more fast-reacting dissolved organic matter (DOM) moieties than GW and SW. Therefore, O3 decomposed much faster in SE than in GW and SW. At specific ozone doses of 0.5-1.5 mg O3/mg dissolved organic carbon (DOC), the application of O3/H2O2 and E-peroxone process (by adding external H2O2 stocks or in-situ generating H2O2 from cathodic O2 reduction during ozonation) similarly enhanced the OH yield from O3 decomposition by ∼5-12% and 5-7% in GW and SW, respectively, compared to conventional ozonation...
November 27, 2017: Water Research
https://www.readbyqxmd.com/read/29211881/food-and-feed-safety-of-genetically-engineered-food-crops
#14
Bryan Delaney, Richard E Goodman, Greg S Ladics
The first genetically engineered (GE) food crop (tomato) was introduced in 1995, followed by the successful development and commercial release of maize, soybeans, cotton, canola, potatoes, papaya, alfalfa, squash, and sugar beets with specific new genetic traits. Even though the safety of every new GE crop has been evaluated by various regulatory authorities throughout the world prior to its commercial release, the ongoing public debate about the safety of food and feed derived from GE plants has not abated...
December 4, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29206170/pollution-emissions-environmental-policy-and-marginal-abatement-costs
#15
Ling-Yun He, Jia-Jia Ou
Pollution emissions impose serious social negative externalities, especially in terms of public health. To reduce pollution emissions cost-effectively, the marginal abatement costs (MACs) of pollution emissions must be determined. Since the industrial sectors are the essential pillars of China's economic growth, as well as leading energy consumers and sulfur dioxide (SO₂) emitters, estimating MACs of SO₂ emissions at the industrial level can provide valuable information for all abatement efforts. This paper tries to address the critical and essential issue in pollution abatement: How do we determine the MACs of pollution emissions in China? This paper first quantifies the SO₂ emission contribution of different industrial sectors in the Chinese economy by an Input-Output method and then estimates MACs of SO₂ for industrial sectors at the national level, provincial level, and sectoral level by the shadow price theory...
December 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29203440/car-t-cells-and-combination-therapies-what-s-next-in-the-immunotherapy-revolution
#16
Maria C Ramello, Eric B Haura, Daniel Abate-Daga
Cancer immunotherapies are dramatically reshaping the clinical management of oncologic patients. For many of these therapies, the guidelines for administration, monitoring, and management of associated toxicities are still being established. This is especially relevant for adoptively transferred, genetically-modified T cells, which have unique pharmacokinetic properties, due to their ability to replicate and persist long-term, following a single administration. Furthermore, in the case of CAR-T cells, the use of synthetic immune receptors may impact signaling pathways involved in T cell function and survival in unexpected ways...
December 1, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29203352/in%C3%A2-vivo-evaluation-of-antipyretic-effects-of-some-homeopathic-ultra-high-dilutions-on-baker-s-yeast-induced-fever-on-similia-principle
#17
Saeed Ahmad, Tayyeba Rehman, Waheed Mumtaz Abbasi
BACKGROUND: Homeopathy is a controversial alternative system of medicine. The action of homeopathic medicines is considered slow and it is assumed that homeopathic medicines are ineffective in acute conditions such as fever. OBJECTIVE: In the present study, effects of 3 homeopathic medicines on baker's yeast induced fever were investigated. MATERIALS AND METHODS: 42 local strain rabbits were equally divided into 7 groups. Normal saline was orally administered to group 1 (normal control) rabbits without fever induction...
December 1, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29202367/remediation-of-aged-diesel-contaminated-soil-by-alkaline-activated-persulfate
#18
M A Lominchar, A Santos, E de Miguel, A Romero
The present work studies the efficiency of alkaline activated persulfate (PS) to remediate an aged diesel fuel contaminated soil from a train maintenance facility. The Total Petroleum Hydrocarbon (TPH) concentration in soil was approximately 5000mgkg-1 with a ratio of aliphatic:aromatic compounds of 70:30. Aromatic compounds were mainly naphtalenes and phenanthrenes. The experiments were performed in batch mode where different initial concentrations of persulfate (105mM, 210mM and 420mM) and activator:persulfate ratios (2 and 4) were evaluated, with NaOH used as activator...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29199304/on-the-underlying-mechanisms-of-the-low-observed-nitrate-selectivity-in-photocatalytic-nox-abatement-and-the-importance-of-the-oxygen-reduction-reaction
#19
Julia Patzsch, Andrea Folli, Donald E Macphee, Jonathan Z Bloh
Semiconductor photocatalysis could be an effective means to combat air pollution, especially nitrogen oxides, which can be mineralized to nitrate. However, the reaction typically shows poor selectivity, releasing a number of unwanted and possibly toxic intermediates such as nitrogen dioxide. Up to now, the underlying principles that lead to this poor selectivity were not understood so a knowledge-based catalyst design for more selective materials was impossible. Herein, we present strong evidence for the slow oxygen reduction being one the causes, as the competing back-reduction of nitrate leads to the release of nitrogen dioxide...
December 4, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29197229/photocatalytic-degradation-and-mineralization-of-perfluorooctanoic-acid-pfoa-using-a-composite-tio2-rgo-catalyst
#20
Beatriz Gomez-Ruiz, Paula Ribao, Nazely Diban, Maria J Rivero, Inmaculada Ortiz, Ane Urtiaga
The inherent resistance of perfluoroalkyl substances (PFASs) to biological degradation makes necessary to develop advanced technologies for the abatement of this group of hazardous substances. The present work investigated the photocatalytic decomposition of perfluorooctanoic acid (PFOA) using a composite catalyst based on TiO2 and reduced graphene oxide (95% TiO2/5% rGO) that was synthesized using a facile hydrothermal method. The efficient photoactivity of the TiO2-rGO (0.1gL-1) composite was confirmed for PFOA (0...
November 28, 2017: Journal of Hazardous Materials
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