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Song Cai, Chuwen Ling, Jun Lu, Songwei Duan, Yingzhao Wang, Huining Zhu, Ruibang Lin, Liang Chen, Xingchang Pan, Muyi Cai, Huaiyu Gu
A primary pathogeny of epilepsy is excessive activation of α-amino-3-hydroxy-5-methyl-4-isoxazole propionate receptors (AMPARs). To find potential molecules to inhibit AMPARs, high-throughput screening was performed in a library of tetrapeptides in silico. Computational results suggest that some tetrapeptides bind stably to the AMPAR. We aligned these sequences of tetrapeptide candidates with those from in vitro digestion of the trout skin protein. Among salmon-derived products, Glu-Gly-Ala-Arg (EGAR) showed a high biological affinity toward AMPAR when tested in silico...
October 25, 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
Guy H Walker, Paul M Salmon, Melissa Bedinger, Neville A Stanton
A paradigm is an accepted world view. If we do not continually question our paradigm then wider trends and movements will overtake the discipline leaving it ill adapted to future challenges. This Special Issue is an opportunity to keep systems thinking at the forefront of ergonomics theory and practice. Systems thinking prompts us to ask whether ergonomics, as a discipline, has been too timid? Too preoccupied with the resolution of immediate problems with industrial-age methods when, approaching fast, are developments which could render these operating assumptions an irrelevance...
October 26, 2016: Ergonomics
Jorge Regueiro, Noelia Negreira, Marc H G Berntssen
Ion mobility spectrometry allows for the measurement of the collision cross section (CCS), which provides information about the shape of an ionic molecule in the gas phase. While the hyphenation of travelling-wave ion mobility spectrometry (TWIMS) with high-resolution quadrupole time-of-flight mass spectrometry (QTOFMS) has been mainly used for structural elucidation purposes, its potential for fast screening of small molecules in complex samples has not yet been thoroughly evaluated. The current work explores the capabilities of ultra-high performance liquid chromatography (UHPLC) coupled to a new design TWIMS-QTOFMS for the screening and identification of a large set of pesticides in complex salmon feed matrices...
October 25, 2016: Analytical Chemistry
D Pereira-Torres, A T Gonçalves, V Ulloa, R Martínez, H Carrasco, A F Olea, L Espinoza, C Gallardo-Escárate, A Astuya
The rapid development of the aquaculture industry has global concerns with health management and control strategies to prevent and/or treat diseases and increase sustainability standards. Saprolegniosis is a disease caused by Saprolegnia parasitica, and is characterized by promoting an immunosuppression in the host. This study evaluated in vitro the extract and one active compound (polygodial) of Drimys winteri, a Chilean medicinal tree as a potential early immunostimulatory aid in Saprolegniosis control. Atlantic salmon (Salmo salar) head kidney cells (ASK-1) were incubated with both extract and pure polygodial before exposure to S...
October 21, 2016: Fish & Shellfish Immunology
H Jodaa Holm, S Skugor, A K Bjelland, S Radunovic, S Wadsworth, E O Koppang, Ø Evensen
Atlantic salmon skin tissues with and without scales were taken from two preferred sites of salmon louse (Lepeophtheirus salmonis) attachment, behind the dorsal fin (scaled) and from the top of the head (scaleless), respectively. Tissues were profiled by qPCR of 32 genes to study responses to copepodids, 4 days post infection (dpi), and during the moult of copepodids to the chalimus stage, at 8 dpi. Basal/constitutive differences were found for many immune-related genes between the two skin sites; e.g., mannose binding protein C was over 100 fold higher expressed in the scaled skin from the back in comparison to the skin without scales from the head...
October 21, 2016: Developmental and Comparative Immunology
Sarah Genon, Jessica Simon, Mohamed Ali Bahri, Fabienne Collette, Céline Souchay, Mathieu Jaspar, Christine Bastin, Eric Salmon
Patients with Alzheimer's disease (AD) show impairment of episodic memory and related metacognitive processes. The present study examined subjective metacognitive judgments preceding objective memory retrieval and investigated the neural correlates of pessimistic predictions for successfully retrieved memories in AD patients. AD patients and healthy older (HO) participants provided predictive judgments on their recognition performance before retrieval of famous (semantic) and recently learned (episodic) names...
October 1, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Morten Lund, Magnus Vikan Røsæg, Aleksei Krasnov, Gerrit Timmerhaus, Ingvild Berg Nyman, Vidar Aspehaug, Espen Rimstad, Maria Krudtaa Dahle
Viral diseases are among the main challenges in farming of Atlantic salmon (Salmo salar). The most prevalent viral diseases in Norwegian salmon aquaculture are heart and skeletal muscle inflammation (HSMI) caused by Piscine orthoreovirus (PRV), and pancreas disease (PD) caused by Salmonid alphavirus (SAV). Both PRV and SAV target heart and skeletal muscles, but SAV additionally targets exocrine pancreas. PRV and SAV are often present in the same locations and co-infections occur, but the effect of this crosstalk on disease development has not been investigated...
October 21, 2016: Veterinary Research
Glenn T Crossin, Bruce G Hatcher, Shelley Denny, Kim Whoriskey, Michael Orr, Alicia Penney, Frederick G Whoriskey
[This corrects the article DOI: 10.1093/conphys/cow018.].
2016: Conservation Physiology
Juan Guillermo Cárcamo, Marcelo N Aguilar, Constanza F Carreño, Tamara Vera, Luis Arias-Darraz, Jaime E Figueroa, Alex P Romero, Marco Alvarez, Alejandro J Yañez
Rainbow trout (Oncorhynchus mykiss) subjected to three consecutive, alternating treatments with emamectin benzoate (EMB) and deltamethrin (DM) during outbreaks of Caligus rogercresseyi in a farm located in southern Chile (Hornopiren, Chiloé), were studied to determine the effects of these treatments on the protein and enzymatic activity levels of cytochrome P450 1A (CYP1A), flavin-containing monooxygenase (FMO) and glutathione S-transferase (GST) in different tissues. Consecutive and alternating EMB/DM treatments resulted in a 10-fold increase and 3-fold decrease of CYP1A protein levels in the intestine and gills, respectively...
October 17, 2016: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
Ann Esquivel, William W Busse
Anaphylaxis is a serious and potentially life-threatening allergic reaction that may follow the ingestion of foods. Although these reactions usually follow a common clinical pattern and often demonstrate IgE sensitization to the antigen in question, both the clinical presentation and causative allergen may be atypical, surprising, and difficult to identify. Failure to identify the actual cause of the reaction can compromise treatment and complicate long-term care. Here, we present a patient who had symptoms of anaphylaxis after eating salmon, but confirmation of the causative allergen was not readily apparent...
October 17, 2016: Journal of Allergy and Clinical Immunology in Practice
Elizabeth A Goodwin, Linda Burhansstipanov, Mark Dignan, Katherine L Jones, Judith Salmon Kaur
BACKGROUND: American Indian and Alaska Native (AI/AN) breast cancer survivors experience disparities in breast cancer incidence and age-adjusted mortality compared with non-Hispanic white (NHW) breast cancer survivors. In addition, mortality-to-incidence rates indicate that AI/ANs continue to have the poorest survival from breast cancer compared with other racial groups. "Native American Cancer Education for Survivors" (NACES) is a cultural education and support intervention for AI/AN patients with cancer that collects data from voluntary participants through the NACES quality-of-life (QOL) survey regarding their cancer experience and survivor journey...
October 20, 2016: Cancer
Garrett J McKinney, Ryan K Waples, Lisa W Seeb, James E Seeb
Whole genome duplications have occurred in the recent ancestors of many plants, fish, and amphibians, resulting in a pervasiveness of paralogous loci and the potential for both disomic and tetrasomic inheritance in the same genome. Paralogs can be difficult to reliably genotype and are often excluded from genotyping-by-sequencing (GBS) analyses; however, removal requires paralogs to be identified which is difficult without a reference genome. We present a method for identifying paralogs in natural populations by combining two properties of duplicated loci: 1) the expected frequency of heterozygotes exceeds that for singleton loci, and 2) within heterozygotes, observed read ratios for each allele in GBS data will deviate from the 1:1 expected for singleton (diploid) loci...
October 19, 2016: Molecular Ecology Resources
J Casey, E Jardim, J Th Martinsohn
Exploitation of fish and shellfish stocks by the European Union fishing fleet is managed under the Common Fisheries Policy (CFP), which aims to ensure that fishing and aquaculture are environmentally, economically and socially sustainable and that they provide a source of healthy food for E.U. citizens. A notable feature of the CFP is its legally enshrined requirement for sound scientific advice to underpin its objectives. The CFP was first conceived in 1970 when it formed part of the Common Agricultural Policy...
October 19, 2016: Journal of Fish Biology
Jiraporn Jarungsriapisit, Lindsey J Moore, Stig Mæhle, Cecilie Skår, Ann Cathrine Einen, Ingrid Uglenes Fiksdal, Hugh Craig Morton, Sigurd O Stefansson, Geir Lasse Taranger, Sonal Patel
Salmonid alphavirus subtype 3 (SAV3) causes pancreas disease (PD) and adversely affects salmonid aquaculture in Europe. A better understanding of disease transmission is currently needed in order to manage PD outbreaks. Here, we demonstrate the relationship between viral dose and the outcome of SAV3 infection in Atlantic salmon post-smolts using a bath challenge model. Fish were challenged at 12 °C with 3 different SAV3 doses; 139, 27 and 7 TCID50 L(-1) of seawater. A dose of as little as 7 TCID50 L(-1) of seawater was able to induce SAV3 infection in the challenged population with a substantial level of variation between replicate tanks and, therefore, likely represents a dose close to the minimum dose required to establish an infection in a population...
October 19, 2016: Veterinary Research
Wendy Yajun Huang, Stephen Heung-Sang Wong, Gang He, J O Salmon
PURPOSE: This study examined the prospective associations of reallocating time spent in different types of sedentary behavior, physical activity, and sleep with body mass index (BMI) in children using isotemporal substitution analysis. METHODS: Chinese children in grades 1-3 were recruited to a cohort study in 2009 and were followed up over a 2-yr period. Reports were gathered from the parents on children's sedentary behavior, sleep duration, and sociodemographic variables...
November 2016: Medicine and Science in Sports and Exercise
Rebecca M Stanley, Rachel A Jones, Dylan P Cliff, Stewart G Trost, Donna Berthelsen, Jo Salmon, Marijka Batterham, Simon Eckermann, John J Reilly, Ngiare Brown, Karen J Mickle, Steven J Howard, Trina Hinkley, Xanne Janssen, Paul Chandler, Penny Cross, Fay Gowers, Anthony D Okely
BACKGROUND: Participation in regular physical activity (PA) during the early years helps children achieve healthy body weight and can substantially improve motor development, bone health, psychosocial health and cognitive development. Despite common assumptions that young children are naturally active, evidence shows that they are insufficiently active for health and developmental benefits. Exploring strategies to increase physical activity in young children is a public health and research priority...
October 19, 2016: BMC Public Health
Aslaug Drotningsvik, Svein A Mjøs, Daniela M Pampanin, Rasa Slizyte, Ana Carvajal, Tore Remman, Ingmar Høgøy, Oddrun A Gudbrandsen
The world's fisheries and aquaculture industries produce vast amounts of protein-containing by-products that can be enzymatically hydrolysed to smaller peptides and possibly be used as additives to functional foods and nutraceuticals targeted for patients with obesity-related metabolic disorders. To investigate the effects of fish protein hydrolysates on markers of metabolic disorders, obese Zucker fa/fa rats consumed diets with 75 % of protein from casein/whey (CAS) and 25 % from herring (HER) or salmon (SAL) protein hydrolysate from rest raw material, or 100 % protein from CAS for 4 weeks...
October 2016: British Journal of Nutrition
Julie Latimer, Stephen Ling, Ian Flaherty, Marianne Jauncey, Allison M Salmon
BACKGROUND: Fentanyl is a powerful analgesic, the prescription of which has increased markedly in recent years. The emergence of the drug at the Sydney Medically Supervised Injecting Centre (MSIC) warranted a retrospective clinical audit to assess the risk of fentanyl overdose in comparison with other opioids, in the context of a drug consumption room. METHOD: Heroin, fentanyl or other prescription opioids (PO) injections resulting in overdose were audited (September 1, 2012 and August 31, 2015)...
October 14, 2016: International Journal on Drug Policy
Paul J M Salmon
No abstract text is available yet for this article.
October 4, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Nathan Young, Marianne Corriveau, Vivian M Nguyen, Steven J Cooke, Scott G Hinch
This article examines how potential users of scientific and local/traditional/experiential knowledge evaluate new claims to knowing, using 67 interviews with government employees and non-governmental stakeholders involved in co-managing salmon fisheries in Canada's Fraser River. Research has consistently shown that there are major obstacles to moving new knowledge into policy, management, and public domains. New concepts such as Knowledge Exchange (KE) and Knowledge Mobilization (KMb) are being used to investigate these obstacles, but the processes by which potential users evaluate (sometimes competing) knowledge claims remain poorly understood...
October 10, 2016: Journal of Environmental Management
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