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https://www.readbyqxmd.com/read/28729212/the-influence-of-temperature-on-viral-replication-and-antiviral-related-genes-response-in-hirame-rhabdovirus-infected-flounder-paralichthys-olivaceus
#1
Jialin Zhang, Xiaoqian Tang, Xiuzhen Sheng, Jing Xing, Wenbin Zhan
Hirame rhabdovirus (HIRRV) is a rhabdovirus that causes severe disease in fish. The mortality due to HIRRV infection occurs at temperatures below 15 °C, but no mortality is observed over 20 °C. In this study, Japanese flounder (Paralichthys olivaceus) was artificially infected with the HIRRV CNPo2015 strain at 10 °C or 20 °C. Absolute quantitative real-time PCR was employed to examine the viral replication in spleens after HIRRV infection. Expression profiles of four interferon-related genes (type I IFN, Mx, ISG15, MDA5) and two proinflammatory genes (TNF-α and IL-1β) were also investigated by quantitative real-time PCR...
July 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28727799/atlantic-salmon-cardiac-primary-cultures-an-in-vitro-model-to-study-viral-host-pathogen-interactions-and-pathogenesis
#2
Patricia A Noguera, Bianka Grunow, Matthias Klinger, Katherine Lester, Bertrand Collet, Jorge Del-Pozo
Development of Salmon Cardiac Primary Cultures (SCPCs) from Atlantic salmon pre-hatch embryos and their application as in vitro model for cardiotropic viral infection research are described. Producing SCPCs requires plating of trypsin dissociated embryos with subsequent targeted harvest from 24h up to 3 weeks, of relevant tissues after visual identification. SCPCs are then transferred individually to chambered wells for culture in isolation, with incubation at 15-22°. SCPCs production efficiency was not influenced by embryo's origin (0...
2017: PloS One
https://www.readbyqxmd.com/read/28723607/production-of-recombinant-porin-from-y-pseudotuberculosis-in-a-water-soluble-form-for-pseudotuberculosis-diagnostics
#3
Vasily A Golotin, Olga Y Portnyagina, Natalia S Chopenko, Natalia Y Kim, Valery A Rasskazov, Olga D Novikova
OmpF porin from the outer membrane of Yersinia pseudotuberculosis was cloned into pET-40b(+) plasmid. Using E. coli Rosetta (DE3) strain, MX-medium, IPTG concentration of 0.2 mM and post-induction cultivation at 14 °C overnight allowed us to obtain a water-soluble form of the recombinant protein (rs-OmpF). Rs-OmpF was shown to have the ordered spatial structure at the levels of secondary and tertiary structure. Rs-OmpF was found to be effective as diagnostic antigen in ELISA for pseudotuberculosis diagnostics...
July 26, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28720888/bivalent-dna-vaccine-induces-significant-immune-responses-against-infectious-hematopoietic-necrosis-virus-and-infectious-pancreatic-necrosis-virus-in-rainbow-trout
#4
Liming Xu, Jingzhuang Zhao, Miao Liu, Guangming Ren, Feng Jian, Jiasheng Yin, Ji Feng, Hongbai Liu, Tongyan Lu
Infectious hematopoietic necrosis virus (IHNV) and infectious pancreatic necrosis virus (IPNV) are important pathogens of salmon and trout. An active bivalent DNA vaccine was constructed with the glycoprotein gene of Chinese IHNV isolate Sn1203 and VP2-VP3 gene of Chinese IPNV isolate ChRtm213. Rainbow trout (5 g) were vaccinated by intramuscular injection with 1.0 µg of the bivalent DNA vaccine and then challenged with an intraperitoneal injection of IHNV, IPNV, or both, at 30 and 60 days post-vaccination (d...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28713157/population-pharmacokinetics-of-moxifloxacin-and-its-concentration-qt-interval-relationship-modeling-in-chinese-healthy-volunteers
#5
Feng-Yan Xu, Ji-Han Huang, Ying-Chun He, Li-Yu Liang, Lu-Jin Li, Juan Yang, Fang Yin, Ling Xu, Qing-Shan Zheng, Kun Wang
Moxifloxacin (MX) is an 8-methoxyquinolone antimicrobial drug, which is often used as a positive control in thorough QT (TQT) studies. In the present study we established the population pharmacokinetics model of MX and the relationship of MX concentrations with the QT and various corrected QT (QTc) intervals, and compared the results with other ethnicities. The MX data used for modeling were obtained from a published TQT interval prolongation study of antofloxacin with MX as the positive control. In this four-period crossover study, 24 adult Chinese healthy volunteers received either 200 or 400 mg of oral antofloxacin once daily, 400 mg of MX, or a placebo...
July 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28707524/applicability-of-cameriere-s-and-drusini-s-age-estimation-methods-to-a-sample-of-turkish-adults
#6
Hatice Boyacioglu Dogru, Nihal Avcu, Nursel Akkaya, Humeyra Ozge Yilanci, Dincer Goksuluk
OBJECTIVES: The aim of this study was to investigate the applicability of Drusini's and Cameriere's methods to a sample of Turkish people. METHODS: Panoramic images of 200 individuals were allocated into two groups as study and test groups and examined by two observers. Tooth coronal indexes (TCI), which is the ratio between coronal pulp cavity height and crown height, were calculated in the mandibular first and second premolars and molars. Pulp/tooth area ratios (ARs) were calculated in the maxillary and mandibular canine teeth...
July 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28694108/increased-blood-pressure-variability-upon-standing-up-improves-reproducibility-of-cerebral-autoregulation-indices
#7
Adam Mahdi, Dragana Nikolic, Anthony A Birch, Mette S Olufsen, Ronney B Panerai, David M Simpson, Stephen J Payne
Dynamic cerebral autoregulation, that is the transient response of cerebral blood flow to changes in arterial blood pressure, is currently assessed using a variety of different time series methods and data collection protocols. In the continuing absence of a gold standard for the study of cerebral autoregulation it is unclear to what extent does the assessment depend on the choice of a computational method and protocol. We use continuous measurements of blood pressure and cerebral blood flow velocity in the middle cerebral artery from the cohorts of 18 normotensive subjects performing sit-to-stand manoeuvre...
July 7, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28686202/coinage-metal-complexes-of-the-carbenic-tautomer-of-a-conjugated-mesomeric-betaine-akin-to-nitron
#8
Charlotte Thie, Clemens Bruhn, Michael Leibold, Ulrich Siemeling
This study was motivated by our recent observation that the analytical reagent Nitron (2) is an "instant carbene", whose reaction with coinage metal salts MX afforded complexes of its carbenic tautomer 1,4-diphenyl-3-phenylamino-1,2,4-triazol-5-ylidene (2'). Our aim was to establish an alkyl homologue of 2 in order to achieve a carbenic tautomer of higher donicity. For this purpose 1-tert-butyl-4-methyl-1,2,4-triazol-4-ium-3-tert-butylaminide (6) was synthesized. Its reactions with MX afforded complexes of the carbenic tautomer 1-tert-butyl-3-tert-butylamino-4-methyl-1,2,4-triazol-5-ylidene (6')...
July 7, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28684222/redox-biotransformation-of-arsenic-along-with-plant-growth-promotion-by-multi-metal-resistance-pseudomonas-sp-mx6
#9
Maria Shafique, Aqsa Jawaid, Yasir Rehman
Remediation of toxic metal-polluted sites by microorganisms is an environment-friendly remediation technique. Multi-metal-resistant bacteria were isolated from a wastewater treatment plant showing resistance against As(III), As(V), Cr, Co, Cu, Cd, Hg, Ni, Pb, Se and Zn. Maximum resistance against all metals was shown by the bacterial isolate MX-6 (As 20mM, Cd 30mM, Cr 5.0mM, Co 25mM, Cu 25mM, Ni 20mM, Zn 30mM, Pb 15mM, Se 20mM and Hg 2.5mM), which was identified as Pseudomonas sp. through 16S rDNA sequencing...
July 3, 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/28683241/insulin-resistance-and-polycystic-ovary-syndrome-in-a-chinese-population
#10
Chen Chen, Gao Jing, Zhou Li, Shi Juan, Cui Bin, Hong Jie
OBJECTIVE: Our study aimed to investigate glucose and lipid level as well as insulin resistance (IR) in patients with polycystic ovary syndrome (PCOS). METHODS: In a case-control study, 426 patients with PCOS were diagnosed according to Rotterdam criteria, and they were conducted in the morning after a 10-h fast. Participants received standard 75-g oral glucose tolerance test (OGTT). Plasma glucose and insulin levels were obtained at 0, 30, 60, 120, and 180 min...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28678799/infection-experiments-with-novel-piscine-orthoreovirus-from-rainbow-trout-oncorhynchus-mykiss-in-salmonids
#11
Helena Hauge, Niccolo Vendramin, Torunn Taksdal, Anne Berit Olsen, Øystein Wessel, Susie Sommer Mikkelsen, Anna Luiza Farias Alencar, Niels Jørgen Olesen, Maria Krudtaa Dahle
A new disease in farmed rainbow trout (Onchorhyncus mykiss) was described in Norway in 2013. The disease mainly affected the heart and resembled heart and skeletal muscle inflammation (HSMI) in Atlantic salmon (Salmo salar L.). HSMI is associated with Piscine orthoreovirus (PRV), and a search for a similar virus in the diseased rainbow trout led to detection of a sequence with 85% similarity to PRV. This finding called for a targeted effort to assess the risk the new PRV-variant pose on farmed rainbow trout and Atlantic salmon by studying infection and disease pathogenesis, aiming to provide more diagnostic knowledge...
2017: PloS One
https://www.readbyqxmd.com/read/28675979/evaluation-of-consistency-for-multiple-experiments-of-a-single-combination-in-the-time-dependence-mixture-toxicity-assay
#12
D A Dawson, G Pöch
Test-to-test consistency was evaluated for a single binary combination of organic chemicals using an assay that examined toxicity over multiple exposure times. Six experiments were conducted. The toxicity of 3-chloro-2-butanone (3C2B), methyl crotonate (MC) and the mixture (MX) was evaluated in each experiment at 15, 30 and 45-min of exposure using the Microtox(®) system. Concentration-response (x/y) curves were generated via the five-parameter logistic minus one-parameter (5PL-1P) curve-fitting function and used to develop predicted x/y curves for the dose-addition (DA) and independence (I) models of combined effect...
July 4, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28674551/high-mir156-expression-is-required-for-auxin-induced-adventitious-root-formation-via-mxspl26-independent-of-pins-and-arfs-in-malus-xiaojinensis
#13
Xiaozhao Xu, Xu Li, Xingwang Hu, Ting Wu, Yi Wang, Xuefeng Xu, Xinzhong Zhang, Zhenhai Han
Adventitious root formation is essential for the vegetative propagation of perennial woody plants. During the juvenile-to-adult phase change mediated by the microRNA156 (miR156), the adventitious rooting ability decreases dramatically in many species, including apple rootstocks. However, the mechanism underlying how miR156 affects adventitious root formation is unclear. In the present study, we showed that in the presence of the synthetic auxin indole-3-butyric acid (IBA), semi-lignified leafy cuttings from juvenile phase (Mx-J) and rejuvenated (Mx-R) Malus xiaojinensis trees exhibited significantly higher expression of miR156, PIN-FORMED1 (PIN1), PIN10, and rootless concerning crown and seminal roots-like (RTCS-like) genes, thus resulting in higher adventitious rooting ability than those from adult phase (Mx-A) trees...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28670521/methoxyamine-enhances-5-fluorouracil-induced-radiosensitization-in-colon-cancer-cell-line-ht29
#14
Samideh Khoei, Roghayeh Poorabdollahi, Ahmad Mostaar, Fariborz Faeghi
OBJECTIVE: This study intended to observe the effects of methoxyamine (Mx) on cytotoxic effects and DNA damage caused by 5-Fluorouracil (5-FU) in combination with gamma radiation in a human colon cancer cell line, HT29. MATERIALS AND METHODS: In this experimental study, HT29 cells were cultured as a monolayer and treated with different concentrations of 5-FU along with 1 mM Mx for 24 hours. Next, the cells were irradiated with 2 Gy gamma radiation. After the treatments, we assessed for DNA damage, cytotoxicity, and viability by alkaline comet, clonogenic survival, and trypan blue dye exclusion assays...
July 2017: Cell Journal
https://www.readbyqxmd.com/read/28664392/validation-of-near-infrared-spectroscopy-for-monitoring-cerebral-autoregulation-in-comatose-patients
#15
Lucia Rivera-Lara, Romergryko Geocadin, Andres Zorrilla-Vaca, Ryan Healy, Batya R Radzik, Caitlin Palmisano, Marek Mirski, Wendy C Ziai, Charles Hogue
BACKGROUND: Transcranial Doppler (TCD) noninvasively measures cerebral blood flow (CBF) velocity and is a well-studied method to monitor cerebral autoregulation (CA). Near-infrared spectroscopy (NIRS) has emerged as a promising noninvasive method to determine CA continuously by using regional cerebral oxygen saturation (rSO2) as a surrogate for CBF. Little is known about its accuracy to determine CA in patients with intracranial lesions. The purpose of this study was to assess the accuracy of rSO2-based CA monitoring with TCD methods in comatose patients with acute neurological injury...
June 29, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28656291/usp7-is-associated-with-greater-disease-activity-in-systemic-lupus-erythematosus-via-stabilization-of-the-ifn%C3%AE-receptor
#16
Ying Yu, Zhaoliang Su, Zhejiong Wang, Huaxi Xu
An improved understanding of the mechanism of interferon (IFN)α activation in systemic lupus erythematosus (SLE) is likely to aid the identification of effective therapeutic targets. Increasing evidence has indicated that the activity of IFNα is mediated by the interplay of ubiquitylation/deubiquitylation enzyme regulators. The present study identified the deubiquitylation enzyme ubiquitin‑specific‑processing protease 7 (USP7) as a critical regulator of the human IFNα‑2 receptor (IFNAR1) protein levels...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28651126/tnf-%C3%AE-exerts-cytotoxic-effects-on-multidrug-resistant-breast-cancer-mcf-7-mx-cells-via-a-non-apoptotic-death-pathway
#17
Morteza Ghandadi, Javad Behravan, Khalil Abnous, Melika Ehtesham Gharaee, Fatemeh Mosaffa
Tumor necrosis factor-α (TNF-α) is a cytokine involved in the various physiopathological processes such as autoimmune disorders and inflammation related diseases. Some multidrug resistant (MDR) cancer cell lines including MCF-7/MX are more vulnerable to cytotoxic effects of TNF-α than their parental lines. In this study, breast cancer cell line MCF-7 and its MDR derivative MCF-7/MX were exposed to TNF-α afterward various downstream signaling mediators of TNF-α were analyzed. Although, treatment of MCF-7 cells with TNF-α activated NF-kB and caused RIP1 ubiquitination, TNF-α exposure led to JNK and RIP1 phosphorylation in MCF-7/MX cells...
June 23, 2017: Cytokine
https://www.readbyqxmd.com/read/28650020/difference-in-chemical-bonding-between-lithium-and-sodium-salts-influence-of-covalency-on-their-solubility
#18
Su Chen, Jun Ishii, Shunsuke Horiuchi, Masahiro Yoshizawa-Fujita, Ekaterina I Izgorodina
Recent thermal runaways in lithium-ion batteries have reinforced the focus on the research of safer electrolytes based on ionic liquids. A simple switch from organic solvents to ionic liquids has been proven difficult due to the decreased efficiency of batteries caused by decreased conductivity and increased viscosity of ionic liquids upon addition of lithium salts. The new trend in replacing lithium salts with a cheaper alternative, sodium salts, has resulted in rather poor solubility of sodium salts in commonly used ionic liquids...
June 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28648106/pressure-autoregulation-measurement-techniques-in-adult-tbi-part-i-a-scoping-review-of-intermittent-semi-intermittent-methods
#19
Frederick Adam Zeiler, Joseph Donnelly, Leanne Calviello, David Menon, Peter Smieleweski, Marek Czosnyka
To perform a systematic, scoping review of commonly described intermittent/semi-intermittent autoregulation measurement techniques in adult TBI. Nine separate systematic reviews were conducted for each intermittent technique: Computed tomographic perfusion (CTP)/Xenon-CT (Xe-CT), positron emission tomography (PET), magnetic resonance imaging (MRI), arterio-venous difference in oxygen (AVDO2) technique, thigh cuff deflation technique (TCDT), transient hyperemic response test (THRT), orthostatic hypotension test (OHT), mean flow index (Mx) and transfer function ARI (TF-ARI)...
June 24, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28639663/the-electronic-transport-properties-of-zigzag-phosphorene-like-mx-m-ge-sn-x-s-se-nanostructures
#20
Mengjun Zhang, Yipeng An, Yongqiang Sun, Dapeng Wu, Xuenian Chen, Tianxing Wang, Guoliang Xu, Kun Wang
Single-layer phosphorene-like MX sheets have aroused new interest and could become a family of nanomaterials in physics and materials science. Using a first-principles method combined with non-equilibrium Green's function (NEGF) theory, we study the electronic transport properties of the zigzag phosphorene-like MX (M = Ge/Sn, X = S/Se) nanostructures. The results demonstrate that GeS and GeSe nanoribbons display very similar electronic transport properties. Their current-voltage (I-V) curves exhibit an interesting negative differential resistive (NDR) effect and are insensitive to their ribbon widths due to their similar band structures...
June 22, 2017: Physical Chemistry Chemical Physics: PCCP
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