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https://www.readbyqxmd.com/read/28918605/food-or-threat-wild-capuchin-monkeys-sapajus-libidinosus-as-both-predators-and-prey-of-snakes
#1
Tiago Falótico, Michele P Verderane, Olívia Mendonça-Furtado, Noemi Spagnoletti, Eduardo B Ottoni, Elisabetta Visalberghi, Patrícia Izar
Snakes present a hazard to primates, both as active predators and by defensive envenomation. This risk might have been a selective pressure on the evolution of primate visual and cognitive systems, leading to several behavioral traits present in human and non-human primates, such as the ability to quickly learn to fear snakes. Primates seldom prey on snakes, and humans are one of the few primate species that do. We report here another case, the wild capuchin monkey (Sapajus libidinosus), which preys on snakes...
September 16, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28910819/mechanisms-of-targeting-the-mdm2-p53-foxm1-axis-in-well-differentiated-intestinal-neuroendocrine-tumors
#2
Irina Grass, Franziska Briest, Dagmar Sedding, Markus Möbs, Friederike Christen, Joana Benecke, Karolin Fuchs, Daniel Kaemmerer, Stefanie Mende, Jörg Sänger, Almut Kunze, Christina Geisler, Helma Freitag, Florentine Lewens, Lina Worpenberg, Sara Iwaszkiewicz, Britta Siegmund, Wolfgang Walther, Michael Hummel, Patricia Grabowski
<br>Background/Aims: The tumor suppressor p53 is rarely mutated in gastroenteropancreatic neuroendocrine neoplasms (GEP-NEN) but they frequently show a strong expression of p53 negative regulators, rendering these tumors excellent targets for a p53 recovery therapy. Therefore, we analyzed the mechanisms of a p53 recovery therapy on intestinal neuroendocrine tumors in vitro and in vivo. METHODS: By western blot and immunohistochemistry, we found that in GEP-NEN biopsy material overexpression of MDM2 was present in intestinal NEN...
September 14, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28900622/biomechanical-measurement-error-can-be-caused-by-fujifilm-thickness-a-theoretical-experimental-and-computational-analysis
#3
Ahmed Sarwar, Simli Srivastava, Chris Chu, Alan Machin, Emil H Schemitsch, Habiba Bougherara, Zahra S Bagheri, Radovan Zdero
This is the first study to quantify the measurement error due to the physical thickness of Fujifilm for several material combinations relevant to orthopaedics. Theoretical and experimental analyses were conducted for cylinder-on-flat indentation over a series of forces (750 and 3000 N), cylinder diameters (0 to 80 mm), and material combinations (metal-on-metal, MOM; metal-on-polymer, MOP; metal-on-bone, MOB). For the scenario without Fujifilm, classic Hertzian theory predicted the true line-type contact width as WO = {(8FDcyl)/(πLcyl)[(1 - νcyl(2))/Ecyl + (1 - νflat(2))/Eflat]}(1/2), where F is compressive force, Dcyl is cylinder diameter, Lcyl is cylinder length, νcyl and νflat are cylinder and flat Poisson's ratios, and Ecyl and Eflat are cylinder and flat elastic moduli...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28890054/home-cage-odors-spatial-cues-elicit-theta-phase-gamma-amplitude-coupling-between-olfactory-bulb-and-dorsal-hippocampus
#4
Roberta Ribas Pena, Daniel de Castro Medeiros, Leonardo de Oliveira Guarnieri, Julio Boriollo Guerra, Vinícius Rezende Carvalho, Eduardo Mazoni Andrade Marçal Mendes, Grace Schenatto Pereira, Márcio Flávio Dutra Moraes
The brain oscillations may play a critical role in synchronizing neuronal assemblies in order to establish appropriate sensory-motor integration. In fact, studies have demonstrated phase-amplitude coupling of distinct oscillatory rhythms during cognitive processes. Here we investigated whether olfacto-hippocampal coupling occurs when mice are detecting familiar odors located in a spatially restricted area of a new context. The spatial olfactory task (SOT) was designed to expose mice to a new environment in which only one quadrant (target) contains odors provided by its own home-cage bedding...
September 7, 2017: Neuroscience
https://www.readbyqxmd.com/read/28862781/effects-of-lateral-olfactory-tract-stimulation-on-fos-immunoreactivity-in-vasopressin-neurons-of-the-rat-piriform-cortex
#5
Chiharu Tsuji, Takahiro Tsuji, Andrew Allchorne, Gareth Leng, Mike Ludwig
In the main olfactory system, odours are registered at the main olfactory epithelium, then processed at the main olfactory bulb (MOB) and subsequently by the anterior olfactory nucleus (AON), the piriform cortex (PC) and the cortical amygdala. Previously, we reported populations of vasopressin neurons in different areas of the rat olfactory system, including the MOB, accessory olfactory bulb (AOB) and the AON and showed that these are involved in the coding of social odour information. Utilizing immunohistochemistry and a transgenic rat in which an enhanced green fluorescent protein reporter gene is expressed in vasopressin neurons (eGFP-vasopressin), we show here a population of vasopressin neurons in the PC...
September 1, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28862681/comparison-of-efficiency-of-bg-sentinel-traps-baited-with-mice-mouse-litter-and-co%C3%A2-lures-for-field-sampling-of-male-and-female-aedes-albopictus-mosquitoes
#6
Gilbert Le Goff, David Damiens, Abdoul-Hamid Ruttee, Laurent Payet, Cyrille Lebon, Jean-Sébastien Dehecq, Martin Geier, Louis-Clément Gouagna
Determining the abundance and distribution of male mosquitoes in the wild and establishing species seasonality in candidate pilot sites is of particular interest with respect to the use of the sterile-male technique. With the knowledge that using mice as bait in BG-Sentinel traps effectively enhances Aedes albopictus male and female trapping success, the present study was designed to determine whether attractants derived from mouse odour blend could be a viable substitute for live mice to lure Ae. albopictus mosquitoes into traps...
September 1, 2017: Insects
https://www.readbyqxmd.com/read/28860673/sparrowhawk-movement-calling-and-presence-of-dead-conspecifics-differentially-impact-blue-tit-cyanistes-caeruleus-vocal-and-behavioral-mobbing-responses
#7
Nora V Carlson, Helen M Pargeter, Christopher N Templeton
ABSTRACT: Many animals alter their anti-predator behavior in accordance to the threat level of a predator. While much research has examined variation in mobbing responses to different predators, few studies have investigated how anti-predator behavior is affected by changes in a predator's own state or behavior. We examined the effect of sparrowhawk (Accipiter nisus) behavior on the mobbing response of wild blue tits (Cyanistes caeruleus) using robotic taxidermy sparrowhawks. We manipulated whether the simulated predator moved its head, produced vocalizations, or held a taxidermy blue tit in its talons...
2017: Behavioral Ecology and Sociobiology
https://www.readbyqxmd.com/read/28820621/-doctors-killed-my-baby-argumentative-patterns-in-medical-disputes-in-china
#8
Dawei Pan
The recent surge in medical disputes requires that more attention be paid to the voices of laypeople. This article explores the argumentative nature of the public discourse of the reported "malpractice mobs" that strive to convince members of the public (in the place of health or legal experts) that they have been victims of medical errors and injustice. This case-based qualitative empirical study uses a pragma-dialectical approach to suggest a prototypical pattern of such public appeals that contains a basic argumentative pattern and various types of extensions...
August 18, 2017: Health Communication
https://www.readbyqxmd.com/read/28801071/comparison-of-two-lumbar-manual-therapies-on-temporal-summation-of-pain-in-healthy-volunteers
#9
Charles W Penza, Maggie E Horn, Steven Z George, Mark D Bishop
The purpose of this study was to compare the immediate change in temporal summation of heat pain (TSP) between spinal manipulation (SMT) and spinal mobilization (MOB) in healthy volunteers. Ninety-two volunteers (24 males; 23.8 ± 5.3 years) were randomized to receive SMT, MOB or no treatment (REST) for one session. Primary outcomes were changes in TSP, measured at the hand and foot, immediately following the session. A planned subgroup analysis investigated effects across empirically derived TSP clusters. PRIMARY OUTCOME: There were no differences in the immediate change in TSP measured at the foot between SMT and MOB, however both treatments were superior to the REST condition...
August 8, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28800359/the-selective-pi3k%C3%AE-inhibitor-byl719-as-a-novel-therapeutic-option-for-neuroendocrine-tumors-results-from-multiple-cell-line-models
#10
Svenja Nölting, Jakob Rentsch, Helma Freitag, Katharina Detjen, Franziska Briest, Markus Möbs, Victoria Weissmann, Britta Siegmund, Christoph J Auernhammer, Elke Tatjana Aristizabal Prada, Michael Lauseker, Ashley Grossman, Samantha Exner, Christian Fischer, Carsten Grötzinger, Jörg Schrader, Patricia Grabowski
BACKGROUND/AIMS: The therapeutic options for metastatic neuroendocrine tumors (NETs) are limited. As PI3K signaling is often activated in NETs, we have assessed the effects of selective PI3Kp110α inhibition by the novel agent BYL719 on cell viability, colony formation, apoptosis, cell cycle, signaling pathways, differentiation and secretion in pancreatic (BON-1, QGP-1) and pulmonary (H727) NET cell lines. METHODS: Cell viability was investigated by WST-1 assay, colony formation by clonogenic assay, apoptosis by caspase3/7 assay, the cell cycle by FACS, cell signaling by Western blot analysis, expression of chromogranin A and somatostatin receptors 1/2/5 by RT-qPCR, and chromogranin A secretion by ELISA...
2017: PloS One
https://www.readbyqxmd.com/read/28799002/intolerance-and-violence-against-doctors
#11
REVIEW
Meharban Singh
Intolerance and grouse against doctors is a global phenomenon but India seems to lead the world in violence against doctors. According to World Health Organization, about 8-38% healthcare workers suffer physical violence at some point in their careers. Many more are verbally abused or threatened. Public is almost behaving like health sector terrorists. The spate of increasing attacks on doctors by damaging their property and causing physical injury is not acceptable by any civilized society. The public is becoming increasingly intolerant to a large number of social issues because of poor governance and vote bank politics...
August 11, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28794453/varying-sensitivity-of-mountainous-streamwater-base-flow-formula-see-text-concentrations-to-n-deposition-in-the-northern-suburbs-of-tokyo
#12
Kazuya Nishina, Mirai Watanabe, Masami K Koshikawa, Takejiro Takamatsu, Yu Morino, Tatsuya Nagashima, Kunika Soma, Seiji Hayashi
Ecosystems of suburban landscapes (i.e., forest, inland water ecosystem) are threatened by high nitrogen (N) loadings derived from urban air pollutants. Forest ecosystems under high chronic N loadings tend to leach more N via streams. In the northern suburbs of Tokyo, N deposition loading on terrestrial ecosystems has increased over the past 30 years. In this region, we investigated nitrate concentrations in 608 independent small forested catchment water samples from northeastern suburbs of Tokyo. The nitrate concentrations varied from 0...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28783780/activity-of-type-i-methanotrophs-dominates-under-high-methane-concentration-methanotrophic-activity-in-slurry-surface-crusts-as-influenced-by-methane-oxygen-and-inorganic-nitrogen
#13
Yun-Feng Duan, Sabine Reinsch, Per Ambus, Lars Elsgaard, Søren O Petersen
Livestock slurry is a major source of atmospheric methane (CH), but surface crusts harboring methane-oxidizing bacteria (MOB) could mediate against CH emissions. This study examined conditions for CH oxidation by in situ measurements of oxygen (O) and nitrous oxide (NO), as a proxy for inorganic N transformations, in intact crusts using microsensors. This was combined with laboratory incubations of crust material to investigate the effects of O, CH, and inorganic N on CH oxidation, using CH to trace C incorporation into lipids of MOB...
July 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28773831/a-new-superhard-phase-and-physical-properties-of-zrb%C3%A2-from-first-principles-calculations
#14
Gangtai Zhang, Tingting Bai, Yaru Zhao, Yanfei Hu
Using the first-principles particle swarm optimization algorithm for crystal structural prediction, we have predicted a novel monoclinic C2/m structure for ZrB₃, which is more energetically favorable than the previously proposed FeB₃-, TcP₃-, MoB₃-, WB₃-, and OsB₃-type structures in the considered pressure range. The new phase is mechanically and dynamically stable, as confirmed by the calculations of its elastic constants and phonon dispersion curve. The calculated large shear modulus (227 GPa) and high hardness (42...
August 22, 2016: Materials
https://www.readbyqxmd.com/read/28756952/wild-birds-use-an-ordering-rule-to-decode-novel-call-sequences
#15
Toshitaka N Suzuki, David Wheatcroft, Michael Griesser
The generative power of human language depends on grammatical rules, such as word ordering, that allow us to produce and comprehend even novel combinations of words [1-3]. Several species of birds and mammals produce sequences of calls [4-6], and, like words in human sentences, their order may influence receiver responses [7]. However, it is unknown whether animals use call ordering to extract meaning from truly novel sequences. Here, we use a novel experimental approach to test this in a wild bird species, the Japanese tit (Parus minor)...
August 7, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28755825/mobbing-in-health-workplace
#16
Antonio Ares Camerino, Manuel María Ortega Marlasca
No abstract text is available yet for this article.
July 26, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28754671/src-inhibits-the-hippo-tumor-suppressor-pathway-through-tyrosine-phosphorylation-of-lats1
#17
Yuan Si, Xinyan Ji, Xiaolei Cao, Xiaoming Dai, Lingyi Xu, Hongxia Zhao, Xiaocan Guo, Huan Yan, Haitao Zhang, Chu Zhu, Qi Zhou, Mei Tang, Zongping Xia, Li Li, Yu-Sheng Cong, Sheng Ye, Tingbo Liang, Xin-Hua Feng, Bin Zhao
The Hippo pathway regulates cell proliferation, apoptosis, and stem cell self-renewal, and its inactivation in animal models causes organ enlargement followed by tumorigenesis. Hippo pathway deregulation occurs in many human cancers, but the underlying mechanisms are not fully understood. Here, we report tyrosine phosphorylation of the Hippo pathway tumor suppressor LATS1 as a mechanism underlying its regulation by cell adhesion. A tyrosine kinase library screen identified Src as the kinase to directly phosphorylate LATS1 on multiple residues, causing attenuated Mob kinase activator binding and structural alteration of the substrate-binding pocket in the kinase domain...
July 28, 2017: Cancer Research
https://www.readbyqxmd.com/read/28734574/early-reduction-of-matrix-metalloproteinase-8-serum-levels-is-associated-with-leptin-drop-and-predicts-diabetes-remission-after-bariatric-surgery
#18
Luca Liberale, Aldo Bonaventura, Federico Carbone, Maria Bertolotto, Paola Contini, Nicola Scopinaro, Giovanni Bruno Camerini, Francesco Saverio Papadia, Renzo Cordera, Giovanni Guido Camici, Franco Dallegri, Gian Franco Adami, Fabrizio Montecucco
BACKGROUND: We aimed at investigating whether the acute abrogation of leptin after bariatric surgery is able to reduce neutrophil activation and potentially affect type 2 diabetes mellitus (T2DM) remission. METHODS: Metabolic and inflammatory parameters (i.e. leptin, IL-6 and neutrophil products) were compared at baseline (before bariatric surgery), one month, one and three years after surgery in morbid obese (MOB) T2DM patients (n=12) and non-MOB controls (n=32)...
July 13, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28731029/nrp2-is-sufficient-to-instruct-circuit-formation-of-mitral-cells-to-mediate-odour-induced-attractive-social-responses
#19
Kasumi Inokuchi, Fumiaki Imamura, Haruki Takeuchi, Ryang Kim, Hiroyuki Okuno, Hirofumi Nishizumi, Haruhiko Bito, Takefumi Kikusui, Hitoshi Sakano
Odour information induces various innate responses that are critical to the survival of the individual and for the species. An axon guidance molecule, Neuropilin 2 (Nrp2), is known to mediate targeting of olfactory sensory neurons (primary neurons), to the posteroventral main olfactory bulb (PV MOB) in mice. Here we report that Nrp2-positive (Nrp2(+)) mitral cells (MCs, second-order neurons) play crucial roles in transmitting attractive social signals from the PV MOB to the anterior part of medial amygdala (MeA)...
July 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28728998/sialylation-of-igg-antibodies-inhibits-igg-mediated-allergic-reactions
#20
Alexandra Epp, Juliane Hobusch, Yannic C Bartsch, Janina Petry, Gina-Maria Lilienthal, Carolien A M Koeleman, Simon Eschweiler, Christian Möbs, Ashley Hall, Suzanne C Morris, Dominique Braumann, Christine Engellenner, Josephine Bitterling, Johann Rahmöller, Alexei Leliavski, Robina Thurmann, Mattias Collin, Kelley W Moremen, Richard T Strait, Véronique Blanchard, Arnd Petersen, Timo Gemoll, Jens K Habermann, Frank Petersen, Andreas Nandy, Helga Kahlert, Michael Hertl, Manfred Wuhrer, Wolfgang Pfützner, Uta Jappe, Fred D Finkelman, Marc Ehlers
No abstract text is available yet for this article.
July 18, 2017: Journal of Allergy and Clinical Immunology
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