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https://www.readbyqxmd.com/read/29793207/infectivity-reduction-efficacy-of-uv-irradiation-and-peracetic-acid-uv-combined-treatment-on-ms2-bacteriophage-and-murine-norovirus-in-secondary-wastewater-effluent
#1
ShihChi Weng, Nathan Dunkin, Kellogg J Schwab, James McQuarrie, Kati Bell, Joseph G Jacangelo
Peracetic acid (PAA) is a strong oxidant/bactericide that has been applied in various industries (e.g., food processing, pharmaceuticals, medical device sterilization, etc.) as a disinfectant. There is increasing interest in using PAA for wastewater disinfection because it does not form halogenated byproducts, and no post-treatment quenching is required. Previous studies have demonstrated good efficiency in controlling bacteria in wastewater, but limited information is available for viruses, especially those hosted by mammals (e...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29793167/improvement-of-neuronal-differentiation-by-carbon-monoxide-role-of-pentose-phosphate-pathway
#2
Ana S Almeida, Nuno L Soares, Catarina O Sequeira, Sofia A Pereira, Ursula Sonnewald, Helena L A Vieira
Over the last decades, the silent-killer carbon monoxide (CO) has been shown to also be an endogenous cytoprotective molecule able to inhibit cell death and modulate mitochondrial metabolism. Neuronal metabolism is mostly oxidative and neurons also use glucose for maintaining their anti-oxidant status by generation of reduced glutathione (GSH) via the pentose-phosphate pathway (PPP). It is established that neuronal differentiation depends on reactive oxygen species (ROS) generation and signalling, however there is a lack of information about modulation of the PPP during adult neurogenesis...
May 15, 2018: Redox Biology
https://www.readbyqxmd.com/read/29792954/increased-brain-docosahexaenoic-acid-has-no-effect-on-the-resolution-of-neuroinflammation-following-intracerebroventricular-lipopolysaccharide-injection
#3
Marc-Olivier Trépanier, Kathryn E Hopperton, Vanessa Giuliano, Mojgan Masoodi, Richard P Bazinet
Resolution of inflammation in the periphery was once thought to be a passive process, but new research now suggests it is an active process mediated by specialized pro-resolving lipid mediators (SPM) derived from omega-3 polyunsaturated fatty acids (n-3 PUFA). However, this has yet to be illustrated in neuroinflammation. The purpose of this study was to measure resolution of neuroinflammation and to test whether increasing brain docosahexaenoic acid (DHA) affects the resolution of neuroinflammation. C57Bl/6 mice, fat-1 mice and their wildtype littermates, fed either fish oil or safflower oil, received lipopolysaccharide (LPS) in the left lateral ventricle...
May 21, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29792948/comparative-transcriptome-analysis-reveals-significant-differences-in-gene-expression-between-appressoria-and-hyphae-in-colletotrichum-gloeosporioides
#4
Meiyu Wang, Zongshan Zhou, Jianyuan Wu, Zhirui Ji, Junxiang Zhang
Fruit rot caused mainly by Colletotrichum gloeosporioides is a major cause of pre- and/or post-harvest diseases, which seriously constrains production, marketing, and export of fruits. To infect the host, this fungus evolves a specialized infection structure called the appressorium. Extensive past studies have characterized many appressorium-related genes in C. gloeosporioides, separately. However, a comprehensive understanding of the genes contributing to appressorium formation is far from complete. Here, global changes in gene expression were analyzed between appressoria and hyphae using RNA-Seq...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792907/electrocortical-reactivity-to-negative-and-positive-facial-expressions-in-individuals-with-a-family-history-of-major-depression
#5
Anna J Watters, Anthony W F Harris, Leanne M Williams
Facial expressions signaling threat and mood-congruent loss have been used to probe abnormal neural reactivity in major depressive disorder (MDD) and may be implicated in genetic vulnerability to MDD. This study investigated electro-cortical reactivity to facial expressions 101 unaffected, adult first degree relatives of probands with MDD and non-relative controls (n = 101). We investigated event-related potentials (ERPs) to five facial expressions of basic emotion: fear, anger, disgust, sadness and happiness under both subliminal (masked) and conscious (unmasked) presentation conditions, and the source localization of group differences...
May 21, 2018: Biological Psychology
https://www.readbyqxmd.com/read/29792880/molecular-alterations-during-larval-development-of-haemonchus-contortus-in-vitro-are-under-tight-post-transcriptional-control
#6
Guangxu Ma, Tao Wang, Pasi K Korhonen, Ching-Seng Ang, Nicholas A Williamson, Neil D Young, Andreas J Stroehlein, Ross S Hall, Anson V Koehler, Andreas Hofmann, Robin B Gasser
In this study, we explored the molecular alterations in the developmental switch from the L3 to the exsheathed L3 (×L3) and to the L4 stage of Haemonchus contortus in vitro using an integrated transcriptomic, proteomic and bioinformatic approach. Totals of 9,754 mRNAs, 88 microRNAs (miRNAs) and 1,591 proteins were identified, and 6,686 miRNA-mRNA pairs inferred in all larval stages studied. Approximately 16% of transcripts in the combined transcriptome (representing all three larval stages) were expressed as proteins, and there were positive correlations (r = 0...
May 22, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29792811/tandem-mass-spectrometry-of-peptide-ions-by-microwave-excited-hydrogen-and-water-plasmas
#7
Yuji Shimabukuro, Hidenori Takahashi, Shinichi Iwamoto, Koichi Tanaka, Motoi Wada
A thermal cracking cell that served as the atomic hydrogen source for hydrogen attachment/abstraction dissociation (HAD) analysis has an intrinsic problem to produce a beam of atoms reactive against heated tungsten capillary. A plasma excited by 2.45 GHz microwave power can deliver reactive species to a quadrupole ion trap confining analyte ions without excessive heating of the radical source components. The radical (H•) production performance of the developed source was evaluated by optical emission spectroscopy and H• attachment reaction to fullerene ions...
May 24, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29792210/quantitative-cardiovascular-magnetic-resonance-extracellular-volume-native-t1-and-18f-fdg-pet-cmr-imaging-in-patients-after-revascularized-myocardial-infarction-and-association-with-markers-of-myocardial-damage-and-systemic-inflammation
#8
Karl P Kunze, Ralf J Dirschinger, Hans Kossmann, Franziska Hanus, Tareq Ibrahim, Karl-Ludwig Laugwitz, Markus Schwaiger, Christoph Rischpler, Stephan G Nekolla
BACKGROUND: Characterization of tissue integrity and inflammatory processes after acute myocardial infarction (AMI) using non-invasive imaging is predictive of patient outcome. Quantitative cardiovascular magnetic resonance (CMR) techniques such as native T1 and extracellular volume (ECV) mapping as well as 18 F-FDG positron emission tomography (PET) imaging targeting inflammatory cell populations are gaining acceptance, but are often applied without assessing their quantitative potential...
May 24, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29792126/neuropathological-profile-of-the-pentylenetetrazol-ptz-kindling-model
#9
E Samokhina, Alexander Samokhin
Epilepsy is a complex neurological disease characterized by spontaneous episodes of abnormal, simultaneous firing of a neuronal population and disturbances of consciousness (so-called seizures) of unknown cause. Antiepileptic drugs are only symptomatic treatment, and there is a strong demand for the search of an alternative treatment of epilepsy. For this purpose, animal models of epilepsy are an important prerequisite. There are various animal models with chronic brain dysfunctions thought to reflect the processes underlying human epilepsy...
May 23, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29791867/longitudinal-assessment-of-chemotherapy-induced-changes-in-brain-and-cognitive-functioning-a-systematic-review
#10
REVIEW
Mingmei Li, Karen Caeyenberghs
In addition to the burden of a life-threatening diagnosis, cancer patients are struggling with adverse side-effects from cancer treatment. Chemotherapy has been linked to an array of cognitive impairments and alterations in brain structure and function ("chemobrain"). In this review, we summarized the existing evidence that evaluate the changes in cognitive functioning and brain with chemotherapy, as assessed using structural and functional MRI-based techniques in a longitudinal design. This review followed the latest PRISMA guidelines using Embase, Medline, PsychINFO, Scopus, and Web of Science databases with date restrictions from 2012-2017...
May 20, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29791433/the-belfast-youth-development-study-byds-a-prospective-cohort-study-of-the-initiation-persistence-and-desistance-of-substance-use-from-adolescence-to-adulthood-in-northern-ireland
#11
Kathryn Higgins, Aisling McLaughlin, Oliver Perra, Claire McCartan, Mark McCann, Andrew Percy, Julie-Ann Jordan
BACKGROUND: Substance misuse persists as a major public health issue worldwide with significant costs for society. The development of interventions requires methodologically sound studies to explore substance misuse causes and consequences. This Cohort description paper outlines the design of the Belfast Youth Development (BYDS), one of the largest cohort studies of its kind in the UK. The study was established to address the need for a long-term prospective cohort study to investigate the initiation, persistence and desistance of substance use, alongside life course processes in adolescence and adulthood...
2018: PloS One
https://www.readbyqxmd.com/read/29791347/freeform-characterization-based-on-nanostructured-diffraction-gratings
#12
M Bichra, T Meinecke, P Fesser, L Müller, M Hoffmann, S Sinzinger
The in-line characterization of freeform optical elements during the production cycle is challenging. Recently, we presented a compact sensor setup for the characterization of the wavefront generated by freeform optical elements in transmission. The sensor is based on a common-path interferometer consisting of diffractive components and Fourier filtering being adapted to the subsequent numerical post processing. Additionally, it offers several degrees of freedom for enlarging the measurement range of the wavefront gradients...
May 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29791316/roles-of-the-exon-junction-complex-components-in-the-central-nervous-system-a-mini-review
#13
Katarzyna Bartkowska, Beata Tepper, Kris Turlejski, Ruzanna L Djavadian
The exon junction complex (EJC) consists of four core proteins: Magoh, RNA-binding motif 8A (Rbm8a, also known as Y14), eukaryotic initiation factor 4A3 (eIF4A3, also known as DDX48), and metastatic lymph node 51 (MLN51, also known as Casc3 or Barentsz), which are involved in the regulation of many processes occurring between gene transcription and protein translation. Its main role is to assemble into spliceosomes at the exon-exon junction of mRNA during splicing. It is, therefore, a range of functions concerning post-splicing events such as mRNA translocation, translation, and nonsense-mediated mRNA decay (NMD)...
May 23, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29790754/epiprofile-2-0-a-computational-platform-for-processing-epi-proteomics-mass-spectrometry-data
#14
Zuo-Fei Yuan, Simone Sidoli, Dylan M Marchione, Johayra Simithy, Kevin A Janssen, Mary R Szurgot, Benjamin A Garcia
Epigenetics has become a fundamental scientific discipline with various implications for biology and medicine. Epigenetic marks, mostly DNA methylation and histone post-translational modifications (PTMs), play important roles in chromatin structure and function. Accurate quantification of these marks is an ongoing challenge due to the variety of modifications and their wide dynamic range of abundance. Here, we present EpiProfile 2.0, an extended version of our 2015 software (v1.0) for accurate quantification of histone peptides based on liquid chromatography - tandem mass spectrometry (LC-MS/MS) analysis...
May 23, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29790583/stress-in-biological-invasions-introduced-invasive-grey-squirrels-increase-physiological-stress-in-native-eurasian-red-squirrels
#15
Francesca Santicchia, Ben Dantzer, Freya van Kesteren, Rupert Palme, Adriano Martinoli, Nicola Ferrari, Lucas Wauters Armand
1.Invasive alien species can cause extinction of native species through processes including predation, interspecific competition for resources, or disease-mediated competition. Increases in stress hormones in vertebrates may be associated with these processes and contribute to the decline in survival or reproduction of the native species. 2.Eurasian red squirrels (Sciurus vulgaris) have gone extinct across much of the British Isles and parts of Northern Italy following the introduction of North American invasive grey squirrels (Sciurus carolinensis)...
May 23, 2018: Journal of Animal Ecology
https://www.readbyqxmd.com/read/29790398/acute-inflammatory-biomarker-responses-to-diffuse-traumatic-brain-injury-in-the-rat-monitored-by-a-novel-microdialysis-technique
#16
Fredrik Clausen, Niklas Marklund, Lars Hillered
Neuroinflammation is a major contributor to the progressive brain injury process induced by traumatic brain injury (TBI), and may play an important role in the pathophysiology of axonal injury. The immediate neuroinflammatory cascade cannot be characterized in the human setting. Therefore, we used the midline fluid percussion injury model of diffuse TBI in rats and a novel microdialysis (MD) method providing stable diffusion-driven biomarker sampling. Immediately post-injury, bilateral amphiphilic tri-block polymer coated MD probes (100 kDa cut off membrane) were inserted and perfused with Dextran 500 kDa-supplemented artificial CSF to optimize protein capture...
May 23, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29790249/the-mechanisms-of-epigenetic-inheritance-how-diverse-are-they
#17
Oleg N Tikhodeyev
Although epigenetic inheritance (EI) is a rapidly growing field of modern biology, it still has no clear place in fundamental genetic concepts which are traditionally based on the hereditary role of DNA. Moreover, not all mechanisms of EI attract the same attention, with most studies focused on DNA methylation, histone modification, RNA interference and amyloid prionization, but relatively few considering other mechanisms such as stable inhibition of plastid translation. Herein, we discuss all known and some hypothetical mechanisms that can underlie the stable inheritance of phenotypically distinct hereditary factors that lack differences in DNA sequence...
May 22, 2018: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29790209/subclinical-leaflet-thrombosis-following-transcatheter-aortic-valve-replacement
#18
Somsupha Kanjanauthai, Luigi Pirelli, Nikhil Nalluri, Chad A Kliger
Since the inception of transcatheter aortic valve replacement (TAVR), there have been significant reductions in complications due to improvements of transcatheter heart valve (THV) designs and technologies. Given expanding TAVR applications, reducing complications further and better understanding THV durability has become a focus within the structural heart space. Recently, dedicated cardiac computed tomographic angiography (CTA) performed at 1 month post-TAVR has identified subclinical leaflet thrombosis (SLT), with rates as high as 40%...
May 23, 2018: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29790100/the-neurogenesis-actuator-and-nr2b-nmda-receptor-antagonist-ro25-6981-consistently-improves-spatial-memory-retraining-via-brain-region-specific-gene-expression
#19
Marina A Gruden, Alexander M Ratmirov, Zinaida I Storozheva, Olga A Solovieva, Vladimir V Sherstnev, Robert D E Sewell
NR2B-containing NMDA (NR2B/NMDA) receptors are important in controlling neurogenesis and are involved in generating spatial memory. Ro25-6981 is a selective antagonist at these receptors and actuates neurogenesis and spatial memory. Inter-structural neuroanatomical profiles of gene expression regulating adult neurogenesis and neuroapoptosis require examination in the context of memory retrieval and reversal learning. The aim was to investigate spatial memory retrieval and reversal learning in relation to gene expression-linked neurogenetic processes following blockade of NR2B/NMDA receptors by Ro25-6981...
May 22, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29790013/effect-of-photobiomodulation-670-nm-associated-with-vitamin-a-on-the-inflammatory-phase-of-wound-healing
#20
A N Otterço, P Brassolatti, A L M Andrade, L R S Avó, P S Bossini, N A E Parizotto
Wound healing is a complex biological process with specific phases. Photobiomodulation (PBM) decreases the inflammatory infiltrate, stimulating fibroblast proliferation and angiogenesis, and therefore, is indicated for wound healing. Vitamin A is used to reverse the inhibitory effects on wound healing and accelerate the healthy granulation tissue. The study aimed to evaluate the effect of topical vitamin A and PBM (GaAlAs) in inflammatory phase of cutaneous wounds. Forty Wistar male rats were separated into four groups: (1) control (CG); (2) laser group (LG) GaAlAs, 670 nm, 30 mW, energy per point of 0...
May 22, 2018: Lasers in Medical Science
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