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https://www.readbyqxmd.com/read/29341250/protectiveness-of-copper-water-quality-criteria-against-impairment-of-behavior-and-chemo-mechanosensory-responses-an-update
#1
REVIEW
Joseph S Meyer, David K DeForest
A meta-analysis was conducted of studies that reported behavior and chemo/mechanosensory responses by fish, amphibians, and aquatic invertebrates in Cu-containing waters and also reported sufficient water chemistry for calculation of hardness-based and biotic ligand model (BLM)-based water quality criteria (WQC) for Cu. The calculated WQC concentrations were then compared to the corresponding 20% impairment concentrations (IC20) of Cu for those behavior and chemo/mechanosensory responses. The hardness-based acute and chronic WQC for Cu would not have been protective (i...
January 17, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29340254/response-of-methane-production-via-propionate-oxidation-to-carboxylated-multiwalled-carbon-nanotubes-in-paddy-soil-enrichments
#2
Jianchao Zhang, Xingxuan Xia, Siliang Li, Wei Ran
Carboxylated multiwalled carbon nanotubes (MWCNTs-COOH) have become a growing concern in terms of their fate and toxicity in aqueous environments. Methane (CH4) is a major product of organic matter degradation in waterlogged environments. In this study, we determined the effect of MWCNTs-COOH on the production of CH4 from propionate oxidation in paddy soil enrichments. The results showed that the methanogenesis from propionate degradation was accelerated in the presence of MWCNTs-COOH. In addition, the rates of CH4 production and propionate degradation increased with increasing concentrations of MWCNTs-COOH...
2018: PeerJ
https://www.readbyqxmd.com/read/29340152/impact-of-gas-emboli-and-hyperbaric-treatment-on-respiratory-function-of-loggerhead-sea-turtles-caretta-caretta
#3
Cyril Portugues, Jose Luis Crespo-Picazo, Daniel García-Párraga, Jordi Altimiras, Teresa Lorenzo, Alicia Borque-Espinosa, Andreas Fahlman
Fisheries interactions are the most serious threats for sea turtle populations. Despite the existence of some rescue centres providing post-traumatic care and rehabilitation, adequate treatment is hampered by the lack of understanding of the problems incurred while turtles remain entrapped in fishing gears. Recently it was shown that bycaught loggerhead sea turtles (Caretta caretta) could experience formation of gas emboli (GE) and develop decompression sickness (DCS) after trawl and gillnet interaction. This condition could be reversed by hyperbaric O2 treatment (HBOT)...
2018: Conservation Physiology
https://www.readbyqxmd.com/read/29340092/first-line-dose-dense-chemotherapy-with-docetaxel-cisplatin-folinic-acid-and-5-fluorouracil-dcf-plus-panitumumab-in-patients-with-locally-advanced-or-metastatic-cancer-of-the-stomach-or-gastroesophageal-junction-final-results-and-biomarker-analysis-from-an
#4
Gianluca Tomasello, Nicola Valeri, Michele Ghidini, Elizabeth C Smyth, Wanda Liguigli, Laura Toppo, Rodolfo Mattioli, Alessandra Curti, Jens C Hahne, Federica M Negri, Stefano Panni, Margherita Ratti, Silvia Lazzarelli, Fabiana Gerevini, Chiara Colombi, Andrea Panni, Massimo Rovatti, Leonardo Treccani, Mario Martinotti, Rodolfo Passalacqua
Background: Survival for patients with advanced gastroesophageal cancer (AGC) using standard treatment regimens is poor. EGFR overexpression is common in AGC and associated with poor prognosis. We hypothesized that increasing the dose intensity of chemotherapy and adding panitumumab could improve efficacy. Methods: HER2 negative, PS 0-1 patients, received up to 4 cycles of panitumumab 6 mg/kg d 1, docetaxel 60 mg/m2 d 1, cisplatin 50 mg/m2 d 1, l-folinic acid 100 mg/m2 d 1-2, followed by 5-FU 400 mg/m2 bolus d 1-2, and then 600 mg/m2 as a 22 h c...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339521/immunogenetic-novelty-confers-a-selective-advantage-in-host-pathogen-coevolution
#5
Karl P Phillips, Joanne Cable, Ryan S Mohammed, Magdalena Herdegen-Radwan, Jarosław Raubic, Karolina J Przesmycka, Cock van Oosterhout, Jacek Radwan
The major histocompatibility complex (MHC) is crucial to the adaptive immune response of vertebrates and is among the most polymorphic gene families known. Its high diversity is usually attributed to selection imposed by fast-evolving pathogens. Pathogens are thought to evolve to escape recognition by common immune alleles, and, hence, novel MHC alleles, introduced through mutation, recombination, or gene flow, are predicted to give hosts superior resistance. Although this theoretical prediction underpins host-pathogen "Red Queen" coevolution, it has not been demonstrated in the context of natural MHC diversity...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339318/dietary-patterns-body-mass-index-and-inflammation-pathways-to-depression-and-mental-health-problems-in-adolescents
#6
Wendy H Oddy, Karina L Allen, Georgina S A Trapp, Gina L Ambrosini, Lucinda J Black, Rae-Chi Huang, Peter Rzehak, Kevin C Runions, Feng Pan, Lawrence J Beilin, Trevor A Mori
BACKGROUND: Observational studies suggest that dietary patterns may impact mental health outcomes, although biologically plausible pathways are yet to be tested. We aimed to elucidate the longitudinal relationship between dietary patterns, adiposity, inflammation and mental health including depressive symptoms in a population-based cohort of adolescents. METHODS: Data were provided from 843 adolescents participating in the Western Australian Pregnancy Cohort (Raine) Study at 14 and 17 years (y) of age...
January 12, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29337247/effects-of-dietary-administration-of-fenugreek-seeds-on-metabolic-parameters-and-immune-status-of-gilthead-seabream-sparus-aurata-l
#7
F A Guardiola, A Bahi, M A Esteban
Medical plants could be used as a prophylactic method in aquaculture because they are considered safe and so very promising alternatives to the use of chemicals. The aim of the present work was to examine the effects of dietary fenugreek (Trigonella foenum graecum) seeds administered for 8 weeks on the metabolic and immune status of gilthead seabream (Sparus aurata L.). Four experimental groups were designated: one receiving a basal diet (control) and three fed powdered fenugreek seeds incorporated in the fish feed at 1%, 5% and 10%...
January 11, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29335453/engineering-yarrowia-lipolytica-to-simultaneously-produce-lipase-and-single-cell-protein-from-agro-industrial-wastes-for-feed
#8
Jinyong Yan, Bingnan Han, Xiaohua Gui, Guilong Wang, Li Xu, Yunjun Yan, Catherine Madzak, Dujie Pan, Yaofeng Wang, Genhan Zha, Liangcheng Jiao
Lipases are scarcely exploited as feed enzymes in hydrolysis of lipids for increasing energy supply and improving nutrient use efficiency. In this work, we performed homologous overexpression, in vitro characterization and in vivo assessment of a lipase from the yeast Yarrowia lipolytica for feed purpose. Simultaneously, a large amount of yeast cell biomass was produced, for use as single cell protein, a potential protein-rich feed resource. Three kinds of low cost agro-industrial wastes were tested as substrates for simultaneous production of lipase and single cell protein (SCP) as feed additives: sugarcane molasses, waste cooking oil and crude glycerol from biodiesel production...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29334081/bio-inspired-all-optical-artificial-neuromast-for-2d-flow-sensing
#9
Ben J Wolf, Jonathan A S Morton, William Bill N MacPherson, Sietse M van Netten
We present the design, fabrication and testing of a novel all-optical 2D flow velocity sensor, inspired by a fish lateral line neuromast. This artificial neuromast consists of optical fibres inscribed with Bragg gratings supporting a fluid force recipient sphere. Its dynamic response is modelled based on the Stokes solution for unsteady flow around a sphere and found to agree with experimental results. Tuneable mechanical resonance is predicted, allowing a deconvolution scheme to accurately retrieve fluid flow speed and direction from sensor readings...
January 15, 2018: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/29331034/effects-of-in-situ-selenium-exposure-and-maternal-transfer-on-survival-and-deformities-of-brown-trout-salmo-trutta-fry
#10
Sean M Covington, Rami B Naddy, Alan L Prouty, Steven A Werner, Mark Dunn Lewis
Offspring of wild adult brown trout exposed to a range of selenium (Se) concentrations were reared in a laboratory setting to primarily assess effects on survival and deformities. Maternal whole body Se concentrations ranged from 4.7 to 22.6 mg/kg dry weight (dw) for wild fish. Corresponding Se concentrations in embryos ranged from 6.2 to 40.3 mg/kg dw. Significant relationships were found between embryo and whole-body tissue concentrations. Increasing egg Se concentrations were correlated with decreasing survival; however, hatch success was not significantly correlated with increasing embryo Se...
January 13, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29330089/grouping-promotes-risk-taking-in-unfamiliar-settings
#11
Kyriacos Kareklas, Robert W Elwood, Richard A Holland
Acting collectively in a group provides risk-reducing benefits. Yet individuals differ in how they take risks, with some being more willing than others to approach dangerous or unfamiliar settings. Therefore, individuals may need to adjust their behaviour when in groups, either as a result of perceiving greater safety or to coordinate collective responses, the latter of which may rely on within-group dynamics biased by group composition. In zebrafish we explored how these aspects of grouping affect risk-taking behaviour by comparing solitary to group conditions and testing the ability of group-member solitary responses to predict collective responses...
January 9, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29329872/development-and-validation-of-a-hilic-uv-method-for-the-determination-of-nucleotides-in-fish-samples
#12
Maria Logotheti, Konstantina Theochari, Marios Kostakis, Ioannis N Pasias, Nikolaos S Thomaidis
The aim of this work was the development of a simple, novel and accurate method for the determination of adenosine triphosphate (ATP) and its first five catabolites: adenosine diphosphate (ADP), adenosine monophosphate (AMP), inosine monophosphate (IMP), inosine (Ino) and hypoxanthine (Hx), in fish tissue, based on hydrophilic interaction liquid chromatography (HILIC). For this purpose, a stationary phase for polar and hydrophilic compounds (ZIC-pHILIC) was used. The effect of different chromatographic parameters and the molecular mechanism based on the van't Hoff plot were examined...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29329543/stat3-induced-lncrna-haglros-overexpression-contributes-to-the-malignant-progression-of-gastric-cancer-cells-via-mtor-signal-mediated-inhibition-of-autophagy
#13
Jin-Fei Chen, Peng Wu, Rui Xia, Jian Yang, Xin-Ying Huo, Dong-Ying Gu, Cui-Ju Tang, Wei De, Fen Yang
BACKGROUND: Long noncoding RNAs (lncRNAs) are an important class of functional regulators involved in human cancers development, including gastric cancer (GC). Studying aberrantly expressed lncRNAs may provide us with new insights into the occurrence and development of gastric cancer by acting as oncogenes or tumor suppressors. In this study, we aim to examine the expression pattern of lncRNA HAGLROS in GC and its clinical significance as well as its biological role in tumor progression...
January 12, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29329131/alk-gene-fusions-in-epithelioid-fibrous-histiocytoma-a-study-of-14-cases-with-new-histopathological-findings
#14
Dmitry V Kazakov, Liubov Kyrpychova, Petr Martinek, Petr Grossmann, Petr Steiner, Tomas Vanecek, Michal Pavlovsky, Vladimir Bencik, Michael Michal, Michal Michal
Previous studies showed that ALK is often positive in epithelioid fibrous histiocytoma (EFH). Two cases of EFH with ALK gene fusions have been recorded. Our objective was to study a series of EFH to present histopathological variations of EFH, identify novel ALK gene fusions, and determine whether there is a correlation between histopathological features and particular gene. We investigated 14 cases of EFH, all ALK immunopositive. The cases were assessed histopathologically as well as for ALK and TFE-3 rearrangements using FISH and ALK gene fusions using next-generation sequencing...
January 11, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29327928/one-step-bioconversion-of-fatty-acids-into-c8-c9-volatile-aroma-compounds-by-a-multifunctional-lipoxygenase-cloned-from-pyropia-haitanensis
#15
Zhu-Jun Zhu, Hai-Min Chen, Juanjuan Chen, Rui Yang, Xiao-Jun Yan
The multifunctional lipoxygenase PhLOX cloned from Pyropia haitanensis was expressed in E. coli with 24.4 mg•L-1 yield. PhLOX could catalyze the one-step bioconversion of C18-C22 fatty acids into C8-C9 volatile organic compounds (VOCs), displaying higher catalytic efficiency for eicosenoic and docosenoic acids than for octadecenoic acids. C20:5 was the most suitable substrate among the tested fatty acids. The C8-C9 VOCs were generated in good yields from fatty acids, e.g., 2E-nonenal from C20:4, and 2E,6Z-nonadienal from C20:5...
January 12, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29327716/genomic-heterogeneity-of-alk-fusion-breakpoints-in-non-small-cell-lung-cancer
#16
Jason N Rosenbaum, Ryan Bloom, Jason T Forys, Jeff Hiken, Jon R Armstrong, Julie Branson, Samantha McNulty, Priya D Velu, Kymberlie Pepin, Haley Abel, Catherine E Cottrell, John D Pfeifer, Shashikant Kulkarni, Ramaswamy Govindan, Eric Q Konnick, Christina M Lockwood, Eric J Duncavage
In lung adenocarcinoma, canonical EML4-ALK inversion results in a fusion protein with a constitutively active ALK kinase domain. Evidence of ALK rearrangement occurs in a minority (2-7%) of lung adenocarcinoma, and only ~60% of these patients will respond to targeted ALK inhibition by drugs such as crizotinib and ceritinib. Clinically, targeted anti-ALK therapy is often initiated based on evidence of an ALK genomic rearrangement detected by fluorescence in situ hybridization (FISH) of interphase cells in formalin-fixed, paraffin-embedded tissue sections...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29326840/reproductive-gene-expression-in-a-coral-reef-fish-exposed-to-increasing-temperature-across-generations
#17
Heather D Veilleux, Jennifer M Donelson, Philip L Munday
Reproduction in marine fish is generally tightly linked with water temperature. Consequently, when adults are exposed to projected future ocean temperatures, reproductive output of many species declines precipitously. Recent research has shown that in the common reef fish, Acanthochromis polyacanthus, step-wise exposure to higher temperatures over two generations (parents: +1.5°C, offspring: +3.0°C) can improve reproductive output in the F2 generation compared to F2 fish that have experienced the same high temperatures over two generations (F1 parents: +3...
2018: Conservation Physiology
https://www.readbyqxmd.com/read/29324887/the-tracked-roaming-transect-and-distance-sampling-methods-increase-the-efficiency-of-underwater-visual-censuses
#18
Alejo J Irigoyen, Irene Rojo, Antonio Calò, Gastón Trobbiani, Noela Sánchez-Carnero, José A García-Charton
Underwater visual census (UVC) is the most common approach for estimating diversity, abundance and size of reef fishes in shallow and clear waters. Abundance estimation through UVC is particularly problematic in species occurring at low densities and/or highly aggregated because of their high variability at both spatial and temporal scales. The statistical power of experiments involving UVC techniques may be increased by augmenting the number of replicates or the area surveyed. In this work we present and test the efficiency of an UVC method based on diver towed GPS, the Tracked Roaming Transect (TRT), designed to maximize transect length (and thus the surveyed area) with respect to diving time invested in monitoring, as compared to Conventional Strip Transects (CST)...
2018: PloS One
https://www.readbyqxmd.com/read/29321874/conservation-planning-for-freshwater-marine-carryover-effects-on-chinook-salmon-survival
#19
Jennifer L Gosselin, Richard W Zabel, James J Anderson, James R Faulkner, António M Baptista, Benjamin P Sandford
Experiences of migratory species in one habitat may affect their survival in the next habitat, in what is known as carryover effects. These effects are especially relevant for understanding how freshwater experience affects survival in anadromous fishes. Here, we study the carryover effects of juvenile salmon passage through a hydropower system (Snake and Columbia rivers, northwestern United States). To reduce the direct effect of hydrosystem passage on juveniles, some fishes are transported through the hydrosystem in barges, while the others are allowed to migrate in-river...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29321604/trophic-transfer-and-individual-impact-of-nano-sized-polystyrene-in-a-four-species-freshwater-food-chain
#20
Yooeun Chae, Dokyung Kim, Shin Woong Kim, Youn-Joo An
This study investigated the trophic transfer, individual impact, and embryonic uptake of fluorescent nano-sized polystyrene plastics (nanoplastics) through direct exposure in a freshwater ecosystem, with a food chain containing four species. The alga Chlamydomonas reinhardtii, water flea Daphnia magna, secondary-consumer fish Oryzias sinensis, and end-consumer fish Zacco temminckii were used as test species. In the trophic transfer test, algae were exposed to 50 mg/L nanoplastics, defined as plastic particles <100 nm in diameter; higher trophic level organisms were exposed through their diet...
January 10, 2018: Scientific Reports
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