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https://www.readbyqxmd.com/read/29351671/a-novel-non-invasive-method-for-evaluating-electroencephalograms-on-laying-hens
#1
Krista N Eberle, Michael P Martin, Sanjay Shah, Ramon D Malheiros, Kimberly A Livingston, Kenneth E Anderson
The use of electroencephalograms (EEG) to study the avian brain relative to behavior was conducted as early as the 1960's. EEG readings, combined with visual cues, provide the ability to elucidate and correlate behaviors to neurological and physiological changes in a chicken. The use of EEG recordings in animal models require access to the brain to implant electrodes. Having the ability to observe EEG activity on sensible birds without surgical implantation could broaden the research in this area and give further insight related to the hen's state of awareness...
January 17, 2018: Poultry Science
https://www.readbyqxmd.com/read/29351350/visualized-analysis-of-developing-trends-and-hot-topics-in-natural-disaster-research
#2
Shi Shen, Changxiu Cheng, Jing Yang, Shanli Yang
This study visualized and analyzed the developing trends and hot topics in natural disaster research. 19694 natural disaster-related articles (January 1900 to June 2015) are indexed in the Web of Science database. The first step in this study is using complex networks to visualize and analyze these articles. CiteSpace and Gephi were employed to generate a countries collaboration network and a disciplines collaboration network, and then attached hot topics to countries and disciplines, respectively. The results show that USA, China, and Italy are the three major contributors to natural disaster research...
2018: PloS One
https://www.readbyqxmd.com/read/29349455/on-the-h2-interactions-with-transition-metal-adatoms-supported-on-graphene-a-systematic-density-functional-study
#3
Montserrat Manadé, Francesc Viñes, Adrià Gil, Francesc Illas
The attachment of H2 to the full set of transition metal (TM) adatoms supported on graphene is studied by using density functional theory. Methodology validation calculations on the interactions of H2 with benzene and graphene show that any of the vdW corrections under study, the Grimme D2, D3, D3 with Becke-Jonson damping (D3BJ), and Tkatchenko-Scheffler methods, applied on the PBE functional, are similarly accurate in describing such subtle interactions, with an accuracy of almost 2 kJ mol-1 compared to experiments...
January 19, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29344932/mothers-early-mind-mindedness-predicts-educational-attainment-in-socially-and-economically-disadvantaged-british-children
#4
Elizabeth Meins, Charles Fernyhough, Luna C M Centifanti
Relations between mothers' mind-mindedness (appropriate and nonattuned mind-related comments) at 8 months (N = 206), and children's educational attainment at ages 7 (n = 158) and 11 (n = 156) were investigated in a British sample. Appropriate mind-related comments were positively correlated with reading and mathematics performance at both ages but only in the low-socioeconomic status (SES) group. Path analyses showed that in the low-SES group, appropriate mind-related comments directly predicted age-11 reading performance, with age-4 verbal ability mediating the relation between appropriate mind-related comments and age-7 reading...
January 18, 2018: Child Development
https://www.readbyqxmd.com/read/29344720/characteristics-of-pericytes-in-diethylstilbestrol-des-induced-pituitary-prolactinoma-in-rats
#5
Depicha Jindatip, Ken Fujiwara, Tewarit Sarachana, Apiwat Mutirangura, Takashi Yashiro
Prolactinomas are the most common tumor of the human pituitary. They result in excessive prolactin secretion and important changes in the vasculature. Pericytes are perivascular cells associated with capillaries and have crucial roles in physiological and pathological neovascularization. We previously reported that pericytes produce type I and III collagens in the anterior pituitary of adult rats. In addition, pituitary pericytes contained well-developed cell organelles and actively synthesized collagens during early postnatal development...
January 17, 2018: Medical Molecular Morphology
https://www.readbyqxmd.com/read/29343275/early-babesia-canis-transmission-in-dogs-within-24%C3%A2-h-and-8%C3%A2-h-of-infestation-with-infected-pre-activated-male-dermacentor-reticulatus-ticks
#6
Marie Varloud, Julian Liebenberg, Josephus Fourie
BACKGROUND: This study was designed to assess the ability of fed male Dermacentor reticulatus ticks to transmit Babesia canis to dogs after being detached from previous canine or ovine hosts. METHODS: The study was an exploratory, parallel group design conducted in two trials. All the animals were sero-negative for babesiosis prior to enrolment. In a first trial, donor dogs and donor sheep were infested with Babesia canis infected male and uninfected female ticks for 72 h...
January 17, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29342260/interaction-between-staphylococcus-aureus-and-pseudomonas-aeruginosa-is-beneficial-for-colonisation-and-pathogenicity-in-a-mixed-biofilm
#7
Patrícia M Alves, Eide Al-Badi, Cathryn Withycombe, Paul M Jones, Kevin J Purdy, Sarah E Maddocks
Debate regarding the co-existence of Staphylococcus aureus and Pseudomonas aeruginosa in wounds remains contentious, with the dominant hypothesis describing a situation akin to niche partitioning, whereby both microorganisms are present but occupy distinct regions of the wound without interacting. In contrast, we hypothesised that these microorganisms do interact during early co-colonisation in a manner beneficial to both bacteria. We assessed competitive interaction between S. aureus and P. aeruginosa in biofilm cultured for 24-72 h and bacterial aggregates analogous to those observed in early ( < 24h) biofilm formation, and interaction with human keratinocytes...
January 12, 2018: Pathogens and Disease
https://www.readbyqxmd.com/read/29342156/specialized-attachment-structure-of-the-fish-pathogenic-oomycete-saprolegnia-parasitica
#8
Svetlana Rezinciuc, Jose Vladimir Sandoval-Sierra, Yolanda Ruiz-León, Pieter van West, Javier Diéguez-Uribeondo
The secondary cysts of the fish pathogen oomycete Saprolegnia parasitica possess bundles of long hooked hairs that are characteristic to this economically important pathogenic species. Few studies have been carried out on elucidating their specific role in the S. parasitica life cycle and the role they may have in the infection process. We show here their function by employing several strategies that focus on descriptive, developmental and predictive approaches. The strength of attachment of the secondary cysts of this pathogen was compared to other closely related species where bundles of long hooked hairs are absent...
2018: PloS One
https://www.readbyqxmd.com/read/29336574/janus-type-gold-polythiophene-composites-formed-via-redox-reaction-at-the-ionic-liquid-water-interface
#9
Naoya Nishi, Ikumi Yajima, Ken-Ichi Amano, Tetsuo Sakka
Janus-type Au/polythiophene (PT) composites have been prepared by utilizing the liquid/liquid interface between water (W) and a hydrophobic ionic liquid (IL) as the redox reaction site. AuCl4- are reductively deposited and terthiophene are oxidatively polymerized spacio-selectively at the IL|W interface, leading to the formation of the Au/PT composites. The composites are Janus-type Au-attached PT plates with two surface morphologies, flat surface and flower-like surface at the W and IL sides of the plates at the IL|W interface, respectively...
January 16, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29336173/genome-analysis-and-clinical-implications-of-the-bacterial-communities-in-early-biofilm-formation-on-dental-implants-restored-with-titanium-or-zirconia-abutments
#10
Flávia Correa Raffaini, Alice Ramos Freitas, Thalisson Saymo Oliveira Silva, Tarsis Cavagioni, Jessica Felix Oliveira, Rubens Ferreira Albuquerque Junior, Vinícius Pedrazzi, Ricardo Faria Ribeiro, Cássio do Nascimento
This cross-sectional study aimed to identify and quantify up to 42 target species colonizing the early biofilm of dental implants restored with titanium or zirconia abutments. A total of 720 samples from 20 healthy individuals were investigated. Biofilm samples were collected from the peri-implant sulci, inner parts of implants, abutment surfaces and prosthetic crowns over a functioning period of 30 days. Checkerboard DNA-DNA hybridization was used for microbial detection and quantitation. Clinical characteristics (probing depth, bleeding on probing, clinical attachment level and marginal bone loss) were also investigated during the monitoring period...
January 16, 2018: Biofouling
https://www.readbyqxmd.com/read/29335790/echinococcus-multilocularis-cestoda-cyclophyllidea-taeniidae-origin-differentiation-and-functional-ultrastructure-of-the-oncospheral-tegument-and-hook-region-membrane
#11
Zdzisław Świderski, Jordi Miquel, Samira Azzouz-Maache, Anne-Françoise Pétavy
Both the oncospheral tegument and the hook region membrane (HRM) of Echinococcus multilocularis hexacanths originate from a syncytial binucleate complex that appears in the early stage of morphogenesis and organogenesis of the hexacanth larva. The primordium of this binucleate complex forms a binucleate syncytial cap or "calotte" situated beneath the inner envelope at one pole of the developing embryo. During oncospheral differentiation, the binucleate perikaryon of the syncytial cap is sunk progressively deeper into the central part of the embryo, but remains always connected with the distal cytoplasm by a tendrillar cytoplasmic connection or bridge...
January 15, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29333326/evaluation-of-the-periodontal-regenerative-properties-of-patterned-human-periodontal-ligament-stem-cell-sheets
#12
Joong-Hyun Kim, Seok-Yeong Ko, Justin Ho Lee, Deok-Ho Kim, Jeong-Ho Yun
Purpose: The aim of this study was to determine the effects of patterned human periodontal ligament stem cell (hPDLSC) sheets fabricated using a thermoresponsive substratum. Methods: In this study, we fabricated patterned hPDLSC sheets using nanotopographical cues to modulate the alignment of the cell sheet. Results: The hPDLSCs showed rapid monolayer formation on various surface pattern widths. Compared to cell sheets grown on flat surfaces, there were no significant differences in cell attachment and growth on the nanopatterned substratum...
December 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29332340/imperatorin-shows-selective-antitumor-effects-in-sgc-7901-human-gastric-adenocarcinoma-cells-by-inducing-apoptosis-cell-cycle-arrest-and-targeting-pi3k-akt-m-tor-signalling-pathway
#13
J U Am, W J Gong, Y Su, Z B Mou
PURPOSE: The main purpose of the present study was to determine the anticancer properties of imperatorin - a naturally occurring coumarin compound - against SGC-7901 human gastric adenocarcinoma cells and the mouse fibroblast cell line 3T3 (normal cell line). METHODS: Imperatorin effects on apoptosis induction, cell cycle phase distribution and PI3K/Akt/m-TOR signalling pathways were studied. MTT cell viability assay examined the compound's cytotoxic potential, while inverted phase contrast microscopy and fluorescence microscopy techniques were used to study morphological changes induced in SGC-7901 cells by imperatorin...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331471/symposium-review-novel-strategies-to-genetically-improve-mastitis-resistance-in-dairy-cattle
#14
P Martin, H W Barkema, L F Brito, S G Narayana, F Miglior
Mastitis is a disease of major economic importance to the dairy cattle sector because of the high incidence of clinical mastitis and prevalence of subclinical mastitis and, consequently, the costs associated with treatment, production losses, and reduced animal welfare. Disease-recording systems compiling data from a large number of farms are still not widely implemented around the world; thus, selection for mastitis resistance is often based on genetically correlated indicator traits such as somatic cell count (SCC), udder depth, and fore udder attachment...
January 10, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29329297/automated-multivariate-analysis-of-multi-sensor-data-submitted-online-real-time-environmental-monitoring
#15
Ingvar Eide, Frank Westad
A pilot study demonstrating real-time environmental monitoring with automated multivariate analysis of multi-sensor data submitted online has been performed at the cabled LoVe Ocean Observatory located at 258 m depth 20 km off the coast of Lofoten-Vesterålen, Norway. The major purpose was efficient monitoring of many variables simultaneously and early detection of changes and time-trends in the overall response pattern before changes were evident in individual variables. The pilot study was performed with 12 sensors from May 16 to August 31, 2015...
2018: PloS One
https://www.readbyqxmd.com/read/29327234/antiviral-effect-of-lithium-chloride-on-replication-of-avian-leukosis-virus-subgroup-j-in-cell-culture
#16
Kun Qian, Xiaowei Cheng, Danyang Zhang, Hongxia Shao, Yongxiu Yao, Venugopal Nair, Aijian Qin
Lithium chloride (LiCl) has been reported to possess antiviral activity against several viruses. In the current study, we assessed the antiviral activity effect of LiCl on ALV-J infection in CEF cells by using real-time PCR, Western blot analysis, IFA and p27 ELISA analysis. Our results showed that both viral RNA copy number and protein level decreased significantly in a dose and time dependent manner. Time-course analysis revealed that the antiviral effect was more pronounced when CEFs were treated at the post infection stage rather than at early absorption or pre-absorption stages...
January 11, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29321304/determinants-in-the-igv-domain-of-human-havcr1-tim-1-are-required-to-enhance-hepatitis-c-virus-entry
#17
Alla Kachko, Maria Isabel Costafreda, Iryna Zubkova, Jerome Jacques, Kazuyo Takeda, Frances Wells, Gerardo Kaplan, Marian E Major
Hepatitis C virus (HCV) is the leading cause of chronic hepatitis in humans. Several host molecules participate in HCV cell entry but this process remains unclear. The complete unraveling of the HCV entry process is important to further understand viral pathogenesis and develop therapeutics. The human hepatitis A virus (HAV) cellular receptor 1 (HAVCR1), CD365, also known as TIM-1, functions as a phospholipid receptor involved in cell entry of several enveloped viruses. Here, we studied the role of HAVCR1 in HCV infection...
January 10, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29317509/human-placental-syncytiotrophoblasts-restrict-toxoplasma-gondii-attachment-and-replication-and-respond-to-infection-by-producing-immunomodulatory-chemokines
#18
Stephanie E Ander, Elizabeth N Rudzki, Nitin Arora, Yoel Sadovsky, Carolyn B Coyne, Jon P Boyle
Toxoplasma gondii is a major source of congenital disease worldwide, but the cellular and molecular factors associated with its vertical transmission are largely unknown. In humans, the placenta forms the key interface between the maternal and fetal compartments and forms the primary barrier that restricts the hematogenous spread of microorganisms. Here, we utilized primary human trophoblast (PHT) cells isolated from full-term placentas and human midgestation chorionic villous explants to determine the mechanisms by which human trophoblasts restrict and respond to T...
January 9, 2018: MBio
https://www.readbyqxmd.com/read/29313281/eating-disorders-substance-use-disorders-and-multiple-symptoms-three-clinical-vignettes
#19
Graziella Fava Vizziello, Laura Bellin
During the longitudinal study of three patients, referred to services at 3, 13, 15 years for eating disorders, reduced food intake and anorexia nervosa, other symptoms appeared depending on difficult development, relational and personality problems. The patients showed the interweaving of symptoms at different times: they were dealing with modified developmental needs and contexts, included new possibilities of attachment that might produce different internal organizations. These changes required different treatments...
January 8, 2018: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/29313127/efficacy-of-innovative-polyglycolic-acid-sheet-device-delivery-station-system-a-randomized-prospective-study
#20
Hirohito Mori, Yu Guan, Hideki Kobara, Seiki Kobayashi, Noriko Nishiyama, Nobuya Kobayashi, Tsutomu Masaki
BACKGROUND: Although there have been several reports of treating large post-endoscopic submucosal dissection (ESD) ulcers by covering them with a polyglycolic acid sheet (PGAs), this approach presents problems regarding PGAs delivery. This study assessed the usefulness of a device delivery station system (DDSS) to evaluate the appropriate and rapid PGAs coating method with DDSS. METHODS: Thirty-nine of 41 patients who were diagnosed with early gastric cancer over 20 mm in diameter and pathologically diagnosed with well-differentiated adenocarcinoma were randomly allocated to the following two groups according to delivery method: the conventional PGAs delivery group (C group) (n = 19) and the new DDSS group (DDSS group) (n = 20)...
January 8, 2018: Surgical Endoscopy
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