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Alexander E Salmon, Benjamin S Sajdak, Farid Atry, Joseph Carroll
No abstract text is available yet for this article.
June 1, 2018: Investigative Ophthalmology & Visual Science
Fumiya Furukawa, Shotaro Irachi, Mugen Koyama, Otto Baba, Hajime Akimoto, Sei-Ichi Okumura, Hirohiko Kagawa, Katsuhisa Uchida
Glycogen, as an intracellular deposit of polysaccharide, takes important roles in energy balance of many animals. In fish, however, the role of glycogen during development is poorly understood. In the present study, we assessed changes in glycogen concentration and gene expression patterns of glycogen-metabolizing enzymes in developing masu salmon (Oncorhynchus masou masou), a salmonid species inhabiting west side of North Pacific Ocean. As we measured glycogen levels in the bodies and yolk sacs containing the liver separately, the glycogen concentration increased in both parts as the fish developed, whereas it transiently decreased in the yolk sac after hatching, implying glycogen synthesis and breakdown in these tissues...
July 11, 2018: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Neill Van der Walt, Lucy J Salmon, Benjamin Gooden, Matthew C Lyons, Michael O'Sullivan, Kaka Martina, Leo A Pinczewski, Justin P Roe
BACKGROUND: Commercial wrist-worn activity monitors have the potential to accurately assess activity levels and are being increasingly adopted in the general population. The aim of this study was to determine if feedback from a commercial activity monitor improves activity levels over the first 6 weeks after total hip arthroplasty (THA) or total knee arthroplasty (TKA). METHODS: One hundred sixty-three consecutive subjects undergoing primary TKA or THA were randomized into 2 groups...
June 28, 2018: Journal of Arthroplasty
C M Yelnik, M Lambert, E Drumez, V Le Guern, J-L Bacri, M M Guerra, C A Laskin, D W Branch, L R Sammaritano, N Morel, G Guettrot-Imbert, D Launay, E Hachulla, P-Y Hatron, J E Salmon, N Costedoat-Chalumeau
Purpose The purpose of this study was to evaluate the safety of antithrombotic treatments prescribed during pregnancy in patients with antiphospholipid syndrome (APS). Methods This international, multicenter study included two cohorts of patients: a retrospective French cohort and a prospective US cohort (PROMISSE study). Inclusion criteria were (1) APS (Sydney criteria), (2) live pregnancy at 12 weeks of gestation (WG) with (3) follow-up data until six weeks post-partum. According to APS standard of care, patients were treated with aspirin and/or low-molecular weight heparin (LMWH) at prophylactic (pure obstetric APS) or therapeutic doses (history of thrombosis)...
January 1, 2018: Lupus
Hiroshi Ikuno, Shinkichi Akao, Hiroshi Yamasaki
We report 958 cases of cestodiasis occurring in Japan during 2001-2016. The predominant pathogen was Diphyllobothrium nihonkaiense tapeworm (n = 825), which caused 86.1% of all cases. The other cestode species involved were Taenia spp. (10.3%), Diplogonoporus balaenopterae (3.3%), and Spirometra spp. (0.2%). We estimated D. nihonkaiense diphyllobothriasis incidence as 52 cases/year. We observed a predominance of cases during March-July, coinciding with the cherry salmon and immature chum salmon fishing season, but cases were present year-round, suggesting that other fish could be involved in transmission to humans...
August 2018: Emerging Infectious Diseases
Allison G Dedrick, Marissa L Baskett
Connectivity among populations can have counteracting effects on population stability. Demographically, connectivity can rescue local populations but increase the synchrony across populations. Genetically, connectivity can counteract drift locally but homogenize genotypes across populations. Population independence and diversity underlies system-level buffering against environmental variability, termed the portfolio effect. The portfolio effect has declined in California fall-run Chinook salmon, possibly in part because of the trucking of juvenile hatchery-reared fish for downstream release, which reduces juvenile mortality but increases the connectivity between rivers...
August 2018: American Naturalist
Inbal Barnes-Kedar, Rinat Bernstein-Molho, Nava Ginzach, Shulamit Hartmajer, Tamar Shapira, Nurit Magal, Marina Lifshitc Kalis, Tamar Peretz, Mordechai Shohat, Lina Basel-Salmon, Eitan Friedman, Lily Bazak, Yael Goldberg
PURPOSE: BRCA1 and BRCA2 genotyping results have clinical implications for cancer risk assessment and targeted therapy. Current practice in Israel is to genotype for the predominant BRCA1/2 mutations first, followed by full gene analysis in eligible mutation-negative individuals. This work assessed the rate of non-predominant mutations in BRCA1/2 in ethnically diverse high-risk cases. METHODS: Breast and/or ovarian cancer patients who tested negative for the predominant BRCA1/2 mutations were referred for comprehensive BRCA1/2 genotyping if calculated risk for carrying a BRCA mutation was ≥ 10%...
July 16, 2018: Breast Cancer Research and Treatment
Lynn Chalmers, Luisa M Vera, John F Taylor, Alexandra Adams, Herve Migaud
While research into the growth, survival, nutrition and, more recently, disease susceptibility of triploid Atlantic salmon has expanded, there remains an overall lack of studies assessing the response of triploids to chemical treatments. It is essential that the response of triploids to disease treatments be characterised to validate their suitability for commercial production. This study aimed to investigate and compare the stress and immune responses of triploid and diploid Atlantic salmon following an experimental treatment with hydrogen peroxide (H2 O2 )...
July 13, 2018: Fish & Shellfish Immunology
Diana Cantero, Ángel Rodríguez de Lope, Raquel Moreno de la Presa, Juan M Sepúlveda, José M Borrás, Javier S Castresana, Nicky D'Haene, Juan F García, Isabelle Salmon, Manuela Mollejo, Juan A Rey, Aurelio Hernández-Laín, Bárbara Meléndez
Glioblastoma (GBM) is the most common malignant adult primary brain tumor. Despite its high lethality, a small proportion of patients have a relatively long overall survival (OS). Here we report a study of a series of 74 GBM samples from 29 long-term survivors ([LTS] OS ≥36 months) and 45 non-LTS. Using next-generation sequencing, we analyzed genetic alterations in the genes most frequently altered in gliomas. Approximately 20% of LTS had a mutation in the IDH1 or IDH2 (IDH) genes, denoting the relevance of this molecular prognostic factor...
August 1, 2018: Journal of Neuropathology and Experimental Neurology
Bruna Gomes Maciel, Romário Justino da Silva, Alicia Elizabeth Chávez-Guajardo, Juan Carlos Medina-Llamas, José Jarib Alcaraz-Espinoza, Celso Pinto de Melo
We examined the properties of the nanocomposite γ-Fe2 O3 @Chi@Pani as an adsorbent of deoxyribonucleic acid (DNA). As a model system, we used an aqueous solution of salmon sperm DNA, whose decreasing concentration was followed by monitoring the 260 nm UV-vis absorption. After adjusting the data collected to a Langmuir isotherm curve, we estimated the adsorption capacity (qe ) of the nanocomposite as 49.5 mg/g. We also observed that the kinetic model of the DNA capture presents a mixed character, with both chemical mechanisms and intraparticle diffusion processes involved...
October 1, 2018: Carbohydrate Polymers
Rodrigo M Montes, Ximena Rojas, Paulina Artacho, Alfredo Tello, Renato A Quiñones
Harmful algal blooms (HABs) have affected salmon farms in Chile since the early 1970's, causing massive losses in fish. Two large HABs occurred in 2002 and 2009, during which Alexandrium catenella blooms killed tons of salmon over an extended geographic area in southern Chile. At the beginning of 2016, high and persistent densities of Pseudochattonella cf. verruculosa and A. catenella were detected in the estuarine and marine ecosystems of southern Chile. Mortality for this latter event reached 27 million salmon and trout (i...
July 2018: Harmful Algae
Sunniva Hoel, Olav Vadstein, Anita N Jakobsen
The genus Aeromonas includes human pathogenic bacteria frequently isolated from seafood, and the increased consumption of ready-to-eat seafood poses new food safety issues regarding the presence of potentially pathogenic Aeromonas spp. in stored products for raw consumption, such as retail sushi with a shelf life of up to three days. This study assessed 1) the growth kinetics of a mesophilic A. salmonicida strain during storage at 4 °C and 8 °C in a nigiri sushi model, and 2) the strain variability in growth at pH ranging from 3...
July 6, 2018: International Journal of Food Microbiology
Sandeep Sharma, Line Degn Hansen, Jon Øvrum Hansen, Liv Torunn Mydland, Svein J Horn, Margareth Øverland, Vincent G H Eijsink, Kiira Susanna Vuoristo
The conversion of non-edible biomass to protein for use in feed is an attractive strategy towards improved sustainability in aquaculture. We have studied the possibility to produce the protein-rich yeast Candida utilis on a medium consisting of enzymatically hydrolysed sulphite-pulped spruce wood, mainly providing glucose, and enzymatically hydrolysed brown seaweed, supplemented with ammonium sulphate. The results show that this blend constitutes a complete medium that enables good growth rates and cell yields...
July 13, 2018: Journal of Agricultural and Food Chemistry
Robert A Bednarczyk, Allison Chamberlain, Kara Mathewson, Daniel A Salmon, Saad B Omer
For adequate provision of preventive services, there is an interplay between activities at the healthcare practice, healthcare provider, and patient levels of the clinical encounter. Commonly used health promotion and behavior theoretical models address some of these three levels, but none fully account for all three. Building off of key components of many existing theoretical models, including the Health Belief Model, Theory of Planned Behavior/Theory of Reasoned Action, Social Cognitive Theory, Social Ecological Model, and the Systems Model of Clinical Preventive Care, we describe the development of the P3 (Practice-, Provider-, and Patient-level) Model for preventive care interventions...
September 2018: Preventive Medicine Reports
Torfinn Solvang, Andreas Hagemann
Machine vision represent an accurate and easily verifiable method for observing live organisms and this technology is constantly evolving in terms of accessibility and costs. Motivated by the complexity of observing small-sized aquatic organisms in experimental systems, and the difficulties related to real-time observation, sampling, and counting without interfering with the organisms, we here present a new method for observing behaviour and dispersion of non-sessile zooplankton organisms using a custom-made tank with an associated machine vision system...
July 12, 2018: Journal of Experimental Biology
Marc Hg Berntssen, Rita Hannisdal, Louise Buttle, Rudolf Hoogenveen, Marcel Mengelers, Bas Gh Bokkers, Marco J Zeilmaker
Leuco crystal violet (LCV) and leuco malachite green (LMG) are the main metabolites of two dyes that are forbidden for use in food production, but can be present at low background concentration in novel Atlantic salmon feed ingredients such as processed animal proteins (ABP). In this study, the potential transfer of dietary LCV or LMG to the fillet of farmed Atlantic salmon was investigated. The uptake and elimination rate kinetics were determined in seawater-adapted Atlantic salmon (initial weight 587 ± 148 g) fed two levels of either LCV or LMG enriched diets (~500 and 4000 µg kg-1 , respectively) for 40 days, followed by a 90 days depuration period with feeding on control diets (< 0...
July 12, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Kazuki Yokouchi, Françoise Daverat, Michael J Miller, Nobuto Fukuda, Ryusuke Sudo, Katsumi Tsukamoto, Pierre Elie, W Russell Poole
Many diadromous fishes such as salmon and eels that move between freshwater and the ocean have evolved semelparous reproductive strategies, but both groups display considerable plasticity in characteristics. Factors such as population density and growth, predation risk or reproduction cost have been found to influence timing of maturation. We investigated the relationship between female size at maturity and individual growth trajectories of the long-lived semelparous European eel, Anguilla anguilla A Bayesian model was applied to 338 individual growth trajectories of maturing migration-stage female silver eels from France, Ireland, the Netherlands and Hungary...
July 2018: Biology Letters
Andrew R Spanjer, Patrick W Moran, Kimberly A Larsen, Lisa A Wetzel, Adam G Hansen, David A Beauchamp
Expanding human population and urbanization alters freshwater systems through structural changes to habitat, temperature effects from increased runoff and reduced canopy cover, altered flows, and increased toxicants. Current stream assessments stop short of measuring health or condition of species utilizing these freshwater habitats and fail to link specific stressors mechanistically to the health of organisms in the stream. Juvenile fish growth integrates both external and internal conditions providing a useful indicator of habitat quality and ecosystem health...
June 1, 2018: Science of the Total Environment
Fangyu Fu, Changlong Wang, Qi Wang, Angel M Martinez-Villacorta, Ane Escobar, Hanbao Chong, Xin Wang, Sergio E Moya, Lionel Salmon, Eric Fouquet, Jaime Ruiz, Didier Astruc
Ammonia borane hydrolysis is considered as a potential means of safe and fast method of H2 production if it is efficiently catalyzed. Here a series of nearly monodispersed alloyed bimetallic nanoparticle catalysts are introduced, optimized among transition metals, and found to be extremely efficient and highly selective with sharp positive synergy between 2/3 Ni and 1/3 Pt embedded inside a zeolitic imidazolate framework (ZIF-8) support. These catalysts are much more efficient for H2 release than either Ni or Pt analogues alone on this support, and for instance the best catalyst Ni2Pt@ZiF-8 achieves a TOF of 600 molH2 · molcatal...
July 11, 2018: Journal of the American Chemical Society
Gilad Yahav, Sivan Gershanov, Mali Salmon-Divon, Haim Ben-Zvi, Gabriel Mircus, Nitza Goldenberg-Cohen, Dror Fixler
OBJECTIVE: Inflammation of the meninges is a source of severe morbidity and therefore is an important health concerns worldwide. The conventional clinical microbiology approaches used today to identify pathogens suffer from several drawbacks and frequently provide false results. This research describes a fast method to detect the presence of pathogens using the frequency domain (FD) fluorescence lifetime (FLT) imaging microscopy (FLIM) system. METHODS: The study included 43 individuals divided into 4 groups: 9 diagnosed with different types of bacteria; 16 diagnosed with different types of viruses; 5 healthy samples served as a control; and 12 samples were negative to any pathogen, although presenting related symptoms...
March 9, 2018: IEEE Transactions on Bio-medical Engineering
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