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https://www.readbyqxmd.com/read/28549316/method-for-assessment-of-stormwater-treatment-facilities-synthetic-road-runoff-addition-including-micro-pollutants-and-tracer
#1
Karin Cederkvist, Marina B Jensen, Peter E Holm
Stormwater treatment facilities (STFs) are becoming increasingly widespread but knowledge on their performance is limited. This is due to difficulties in obtaining representative samples during storm events and documenting removal of the broad range of contaminants found in stormwater runoff. This paper presents a method to evaluate STFs by addition of synthetic runoff with representative concentrations of contaminant species, including the use of tracer for correction of removal rates for losses not caused by the STF...
May 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28547666/effects-of-caffeine-intake-prior-to-stress-cardiac-magnetic-resonance-perfusion-imaging-on-regadenoson-versus-adenosine-induced-hyperemia-as-measured-by-t1-mapping
#2
R van Dijk, D Kuijpers, T A M Kaandorp, P R M van Dijkman, R Vliegenthart, P van der Harst, M Oudkerk
The antagonistic effects of caffeine on adenosine receptors are a possible cause of false-negative stress perfusion imaging. The purpose of this study was to determine the effects of coffee intake <4 h prior to stress perfusion cardiac magnetic resonance imaging (CMR) in regadenoson- versus adenosine-induced hyperemia as measured with T1-mapping. 98 consecutive patients with suspected coronary artery disease referred for either adenosine or regadenoson perfusion CMR were included in this analysis. Twenty-four patients reported coffee consumption <4 h before CMR (15 patients with adenosine, and 9 patients with regadenoson); 74 patients reported no coffee intake (50 patients with adenosine, and 24 patients with regadenoson)...
May 25, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28544130/adaptation-of-a-scale-to-measure-coping-strategies-in-informal-primary-caregivers-a-case-of-validation-with-small-samples
#3
Francisco Javier Rosas-Santiago, María Luisa Marván Garduño, Roberto Lagunes-Córdoba
BACKGROUND: The recovery process of a psychiatric patient is related to his primary informal caregiver's style of coping with stress. There is insufficient literature on validations of instruments that measure coping styles in this population. OBJECTIVE: To adapt and validate a scale to measure coping strategies in primary informal caregivers. METHOD: The adapted scale was based on the Extreme Coping Scale of López-Vázquez and Marván. Items from that scale were adapted for application to informal caregivers...
May 25, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28542923/the-polysialic-acid-mimetics-idarubicin-and-irinotecan-stimulate-neuronal-survival-and-neurite-outgrowth-and-signal-via-protein-kinase-c
#4
Gabriele Loers, Steven Astafiev, Yuliya Hapiak, Vedangana Saini, Bibhudatta Mishra, Sheraz Gul, Gurcharan Kaur, Melitta Schachner, Thomas Theis
Polysialic acid (PSA) is a large, negatively charged, linear homopolymer of alpha2-8-linked sialic acid residues. It is generated by two polysialyltransferases and attached to N- and/or O-linked glycans, and its main carrier is the neural cell adhesion molecule NCAM. PSA controls the development and regeneration of the nervous system by enhancing cell migration, axon pathfinding, synaptic targeting, synaptic plasticity, by regulating the differentiation of progenitor cells and by modulating cell-cell and cell-matrix adhesions...
May 24, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28541810/effects-of-a-carbohydrate-glutamine-and-antioxidant-enriched-oral-nutrition-supplement-on-major-surgery-induced-insulin-resistance-a-randomized-pilot-study
#5
Mireille F M van Stijn, Maarten R Soeters, Paul A M van Leeuwen, W H Schreurs, Margreet G Schoorl, Jos W R Twisk, Jean-Pascal De Bandt, Dominique Bonnefont-Rousselot, Luc Cynober, Mariette T Ackermans, Mireille J Serlie, Alexander P J Houdijk
BACKGROUND: Insulin resistance after surgery hampers recovery. Oxidative stress is shown to be involved in the occurrence of postoperative insulin resistance. Preoperative carbohydrate-rich oral nutrition supplements reduce but do not prevent insulin resistance. The aim of the present study was to investigate the effect of a carbohydrate-, glutamine-, and antioxidant-enriched preoperative oral nutrition supplement on postoperative insulin resistance. METHODS: A double-blind randomized controlled pilot study in 18 patients with rectal cancer, who received either the supplement (S) or the placebo (P) 15, 11, and 4 hours preoperatively, was conducted...
May 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28541545/kr%C3%A3-ppel-like-factors-compete-for-promoters-and-enhancers-to-fine-tune-transcription
#6
Melissa D Ilsley, Kevin R Gillinder, Graham W Magor, Stephen Huang, Timothy L Bailey, Merlin Crossley, Andrew C Perkins
Krüppel-like factors (KLFs) are a family of 17 transcription factors characterized by a conserved DNA-binding domain of three zinc fingers and a variable N-terminal domain responsible for recruiting cofactors. KLFs have diverse functions in stem cell biology, embryo patterning, and tissue homoeostasis. KLF1 and related family members function as transcriptional activators via recruitment of co-activators such as EP300, whereas KLF3 and related members act as transcriptional repressors via recruitment of C-terminal Binding Proteins...
May 24, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28539996/transient-inactivation-of-shell-part-of-nucleus-accumbens-inhibits-and-exacerbates-stress-induced-metabolic-alterations-in-wistar-rats
#7
Mina Ranjbaran, Hassan Aghaei, Vahdat Hajihoseinlou, Hedayat Sahraei, Katayoon Ranjbaran
INTRODUCTION: The role of different parts of the extended amygdala in metabolic signs of stress is not well understood. In the present study, we decided to evaluate the impact of the shell part of nucleus accumbens (NAc) on metabolic disturbance induced by electro foot shock stress using transient inactivation method in the rat. METHODS: Male Wistar rats (W: 230-250 g) were canuulated unilaterally in the shell part of nucleus accumbens and left one week for recovery...
March 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28539916/endophytic-fungi-piriformospora-indica-mediated-protection-of-host-from-arsenic-toxicity
#8
Shayan Mohd, Jagriti Shukla, Aparna S Kushwaha, Kapil Mandrah, Jai Shankar, Nidhi Arjaria, Prem N Saxena, Ram Narayan, Somendu K Roy, Manoj Kumar
Complex intercellular interaction is a common theme in plant-pathogen/symbiont relationship. Cellular physiology of both the partners is affected by abiotic stress. However, little is known about the degree of protection each offers to the other from different types of environmental stress. Our current study focused on the changes in response to toxic arsenic in the presence of an endophytic fungus Piriformospora indica that colonizes the paddy roots. The primary impact of arsenic was observed in the form of hyper-colonization of fungus in the host root and resulted in the recovery of its overall biomass, root damage, and chlorophyll due to arsenic toxicity...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28539339/mif-2-d-dt-enhances-proximal-tubular-cell-regeneration-through-slpi-and-atf4-dependent-mechanisms
#9
Akinobu Ochi, Dong Chen, Wibke Schulte, Lin Leng, Nickolas Gilbert Moeckel, Marta Piecychna, Luisa Averdunk, Christian Stoppe, Richard Bucala, Gilbert W Moeckel
Macrophage migration inhibitory factor (MIF) is a cytokine with pleiotropic actions that is produced by several organs and cell types. Depending on the target cell and the inflammatory context, MIF can engage its two component receptor complex CD74 and CD44, and the chemokine receptors CXCR2/4. MIF is constitutively expressed in renal proximal tubular cells, stored in intracellular preformed pools and is released at a low rate. Recently a second MIF-like protein (i.e. MIF-2/D-DT) has been characterized in mammals...
May 24, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28538307/can-cold-water-immersion-enhance-recovery-in-elite-olympic-weightlifters-an-individualized-perspective
#10
Jan Schimpchen, Maximilian Wagner, Alexander Ferrauti, Michael Kellmann, Mark Pfeiffer, Tim Meyer
Schimpchen, J, Wagner, M, Ferrauti, A, Kellmann, M, Pfeiffer, M, and Meyer, T. Can cold water immersion enhance recovery in elite Olympic weightlifters? An individualized perspective. J Strength Cond Res 31(6): 1569-1576, 2017-We investigated whether cold water immersion (CWI) after intensive training sessions can enhance recovery in elite Olympic weightlifters, taking into account each athlete's individual response pattern. The entire German male Olympic weightlifting national team participated in the study (n = 7), ensuring collection of data from elite athletes only...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28537124/family-group-interventions-in-an-early-psychosis-program-a-re-evaluation-of-practice-after-10%C3%A2-years-of-service-delivery
#11
Kate Day, Rachael Starbuck, Melissa Petrakis
INTRODUCTION: The role of family in supporting service users in coping with illness and engaging in relapse prevention in early psychosis is important. Taking on this caring though is stressful and challenging, and it has been found that support and information for carers assists in their coping and reduces isolation. AIMS: To evaluate the current utility of a psychoeducation group program in a public adult mental health service, for the families of people experiencing early psychosis...
May 1, 2017: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/28536765/silicon-mediated-changes-in-radial-hydraulic-conductivity-and-cell-wall-stability-are-involved-in-silicon-induced-drought-resistance-in-tomato
#12
Bi-Li Cao, Lili Wang, Song Gao, Jie Xia, Kun Xu
Plants frequently experience drought stress. It is well known that silicon (Si) facilitates recovery from drought stress by improving drought resistance in plants. However, the effects of Si on the roots associated with the drought resistance in plants remain elusive. In this study, tomato (cv. 'Jinpeng 1(#)') was adopted to study the silicon-mediated drought avoidance and drought tolerance. The results showed that exogenous Si evidently influenced the drought-induced changes of the related indicators. Roots added with Si were more adaptable to drought stress...
May 23, 2017: Protoplasma
https://www.readbyqxmd.com/read/28536449/effect-of-experimental-soil-disturbance-and-recovery-on-structure-and-function-of-soil-community-a-metagenomic-and-metagenetic-approach
#13
Soobeom Choi, Hokyung Song, Binu M Tripathi, Dorsaf Kerfahi, Hyoki Kim, Jonathan M Adams
There has been little study of effects of disturbance on soil biota combining closely controlled experimental conditions and DNA-based methods. We sampled pots of soil at varying times following an initial simulated mass mortality event. Soil DNA was extracted at intervals up to 24 weeks after the event, and shotgun metagenomes sequenced using NextSeq. Compared to initial conditions, we found: consistent, sequential changes in functional metagenome and community structure over time, indicating successional niche differentiation amongst soil biota...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28535058/peo-ppo-diblock-copolymers-protect-myoblasts-from-hypo-osmotic-stress-in-vitro-dependent-on-copolymer-size-composition-and-architecture
#14
Mihee Kim, Karen J Haman, Evelyne M Houang, Wenjia Zhang, Demetris Yannopoulos, Joseph M Metzger, Frank S Bates, Benjamin J Hackel
Poloxamer 188, a triblock copolymer of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO), protects cellular membranes from various stresses. Though numerous block copolymer variants exist, evaluation of alternative architecture, composition, and size has been minimal. Herein, cultured murine myoblasts are exposed to the stresses of hypotonic shock and isotonic recovery, and membrane integrity was evaluated by quantifying release of lactate dehydrogenase. Comparative evaluation of a systematic set of PEO-PPO diblock and PEO-PPO-PEO triblock copolymers demonstrates that the diblock architecture can be protective in vitro...
May 23, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28534323/-era-of-enhanced-recovery-after-surgery-and-robotic-gastric-cancer-surgery
#15
Yanbing Zhou
Enhanced recovery after surgery (ERAS) has been rapidly developing by combining several techniques with evidence-based adjustments, including preoperative education, preoperative carbohydrate loading, epidural or regional anesthesia, early initiation of enteral nutrition, ambulation and multi-modal pain management. The core part of ERAS is to reduce and reverse surgical stress and therefore greatly improve clinical outcome. Under the guidance of ERAS, perioperative management of robotic gastric cancer operation should follow the basic principles of ERAS and clinical pathway to maximize the advantages of the robotic surgery...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28533793/exogenous-supplementation-of-silicon-improved-the-recovery-of-hyperhydric-shoots-in-dianthus-caryophyllus-l-by-stabilizing-the-physiology-and-protein-expression
#16
Prabhakaran Soundararajan, Abinaya Manivannan, Yoon S Cho, Byoung R Jeong
Hyperhydricity is one of the major problems hindering in vitro propagation of Dianthus caryophyllus L. Silicon (Si) is a well-known beneficial element renowned for its stress amelioration properties in plants. This study has demonstrated the physiological and molecular mechanism behind the Si-mediated recovery from hyperhydricity in D. caryophyllus L. 'Green Beauty'. Four weeks old hyperhydric shoots obtained from temporary immersion system were cultured on the Murashige and Skoog medium supplemented with 0 (control), 1...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28533520/the-response-of-a-boreal-deep-sea-sponge-holobiont-to-acute-thermal-stress
#17
R Strand, S Whalan, N S Webster, T Kutti, J K H Fang, H M Luter, R J Bannister
Effects of elevated seawater temperatures on deep-water benthos has been poorly studied, despite reports of increased seawater temperature (up to 4 °C over 24 hrs) coinciding with mass mortality events of the sponge Geodia barretti at Tisler Reef, Norway. While the mechanisms driving these mortality events are unclear, manipulative laboratory experiments were conducted to quantify the effects of elevated temperature (up to 5 °C, above ambient levels) on the ecophysiology (respiration rate, nutrient uptake, cellular integrity and sponge microbiome) of G...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28530340/-can-post-traumatic-stress-disorder-be-prevented-with-glucocorticoids
#18
REVIEW
Hagit Cohen, Zeev Kaplan, Joseph Zohar
Glucocorticoids (GCs) play a major role in orchestrating the complex physiological and behavioral reactions essential for the maintenance of homeostasis. These compounds enable the organism to prepare for, respond to and cope with the acute demands of physical and emotional stressors. The appropriate GC release, commensurate with stressor severity, enables the body to properly contain stress responses so as to promote recovery by rapidly restoring homeostasis. Indeed, inadequate GC release following stress not only delays recovery by disrupting biological homeostasis in the short run but can also interfere with the processing or interpretation of stressful information that results in long-term disruptions in memory integration...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28529240/protective-effects-of-curcumin-on-manganese-induced-bv-2-microglial-cell-death
#19
Euteum Park, Hong Sung Chun
Curcumin, a bioactive component in tumeric, has been shown to exert antioxidant, anti-inflammatory, anticarcinogenic, hepatoprotective, and neuroprotective effects, but the effects of curcumin against manganese (Mn)-mediated neurotoxicity have not been studied. This study examined the protective effects of curcumin on Mn-induced cytotoxicity in BV-2 microglial cells. Curcumin (0.1-10 μM) dose-dependently prevented Mn (250 μM)-induced cell death. Mn-induced mitochondria-related apoptotic characteristics, such as caspase-3 and -9 activation, cytochrome c release, Bax increase, and Bcl-2 decrease, were significantly suppressed by curcumin...
May 20, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28528978/multimodal-control-of-transcription-factor-pap1-in-schizosaccharomyces-pombe-under-nitrosative-stress
#20
Puranjoy Kar, Pranjal Biswas, Sanjay Ghosh
Schizosaccharomyces pombe Pap1, a bZIP transcription factor, is highly homologous to the mammalian c-Jun protein that belongs to the AP1 family of transcriptional regulators. The role of transcription factor Pap1 has been extensively studied under oxidative stress. Two cysteine residues in Pap1p namely, C278 and C501 form disulfide linkage under oxidative stress resulting in nuclear accumulation. We first time showed the involvement of Pap1 in the protection against nitrosative stress. In the present study we show that pap1 deletion makes growth of S...
May 18, 2017: Biochemical and Biophysical Research Communications
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