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https://www.readbyqxmd.com/read/28550792/social-stress-contagion-in-rats-behavioural-autonomic-and-neuroendocrine-correlates
#1
Luca Carnevali, Nicola Montano, Rosario Statello, Gino Coudé, Federica Vacondio, Silvia Rivara, Pier Francesco Ferrari, Andrea Sgoifo
The negative emotional consequences associated with life stress exposure in an individual can affect the emotional state of social partners. In this study, we describe an experimental rat model of social stress contagion and its effects on social behaviour and cardiac autonomic and neuroendocrine functions. Adult male Wistar rats were pair-housed and one animal (designated as "demonstrator" (DEM)) was submitted to either social defeat stress (STR) by an aggressive male Wild-type rat in a separate room or just exposed to an unfamiliar empty cage (control condition, CTR), once a day for 4 consecutive days...
May 20, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28550785/gender-gaps-and-glass-ceilings-a-survey-of-gender-specific-publication-trends-in-psychiatry-between-1994-and-2014
#2
S Süßenbacher, M Amering, A Gmeiner, B Schrank
BACKGROUND: Within academic psychiatry, women are underrepresented in the higher academic ranks. However, basic determinants of women's lack of academic advancement such as publication activity are poorly understood. The present study examines women's publication activity in high-impact psychiatry journals over two decades and reports developments in the numbers of male and female authorship over time and across cultural areas. METHODS: We conducted a retrospective bibliometric review of all articles published in 2004 and 2014 in three high-ranking general psychiatry journals...
April 6, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28550632/optimization-of-palm-oil-mill-sludge-biochar-preparation-for-sulfur-dioxide-removal
#3
Nursashabila Iberahim, Sumathi Sethupathi, Mohammed J K Bashir
In this study, palm oil mill sludge was used as a precursor to prepare biochar using conventional pyrolysis. Palm oil mill sludge biochar (POSB) was prepared at different preparation variables, i.e., heating temperature (300-800 °C), heating rate (10-20 °C/min) and holding time (60-120 min). The prepared biochars were tested for sulfur dioxide (SO2) adsorption in a fixed bed reactor using 300 ppm of SO2 gas at 300 ml/min (with N2 gas as balance). Response surface central composite experimental design was used to optimize the production of biochar versus SO2 removal...
May 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28550410/different-exogenous-sugars-affect-the-hormone-signal-pathway-and-sugar-metabolism-in-red-globe-vitis-vinifera-l-plantlets-grown-in-vitro-as-shown-by-transcriptomic-analysis
#4
Juan Mao, Wenfang Li, Baoqin Mi, Mohammed Mujitaba Dawuda, Alejandro Calderón-Urrea, Zonghuan Ma, Yongmei Zhang, Baihong Chen
Exogenously applied 2% fructose is the most appropriate carbon source that enhances photosynthesis and growth of grape plantlets compared with the same concentrations of sucrose and glucose. The role of the sugars was regulated by the expression of key candidate genes related to hormones, key metabolic enzymes, and sugar metabolism of grape plantlets ( Vitis vinifera L.) grown in vitro. The addition of sugars including sucrose, glucose, and fructose is known to be very helpful for the development of grape (V...
May 26, 2017: Planta
https://www.readbyqxmd.com/read/28550294/advantages-and-problems-of-nonlinear-methods-applied-to-analyze-physiological-time-signals-human-balance-control-as-an-example
#5
Wolfram Müller, Alexander Jung, Helmut Ahammer
Physiological processes are regulated by nonlinear dynamical systems. Various nonlinear measures have frequently been used for characterizing the complexity of fractal time signals to detect system features that cannot be derived from linear analyses. We analysed human balance dynamics ranging from simple standing to balancing on one foot with closed eyes to study the inherent methodological problems when applying fractal dimension analysis to real-world signals. Higuchi dimension was used as an example. Choice of measurement and analysis parameters has a distinct influence on the computed dimension...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550200/t-cells-deficient-in-the-tyrosine-phosphatase-shp-1-resist-suppression-by-regulatory-t-cells
#6
Emily R Mercadante, Ulrike M Lorenz
The balance between activation of T cells and their suppression by regulatory T cells (Tregs) is dysregulated in autoimmune diseases and cancer. Autoimmune diseases feature T cells that are resistant to suppression by Tregs, whereas in cancer, T cells are unable to mount antitumor responses due to the Treg-enriched suppressive microenvironment. In this study, we observed that loss of the tyrosine phosphatase SHP-1, a negative regulator of TCR signaling, renders naive CD4(+) and CD8(+) T cells resistant to Treg-mediated suppression in a T cell-intrinsic manner...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28550108/hypothalamic-ventromedial-lin28a-enhances-glucose-metabolism-in-diet-induced-obesity
#7
Jung Dae Kim, Chitoku Toda, Cristina M Ramírez, Carlos Fernández-Hernando, Sabrina Diano
The Lin28a/Let-7 axis has been studied in peripheral tissues for its role in metabolism regulation. However, its central function remains unclear. Here we found that Lin28a is highly expressed in the hypothalamus compared to peripheral tissues. Its expression is positively correlated with positive energy balance, suggesting a potential central role for Lin28a in metabolism regulation. Thus, we targeted the hypothalamic ventromedial nucleus (VMH) to selectively overexpress (Lin28aKI(VMH) ) or downregulate (Lin28aKD(VMH) ) Lin28a expression in mice...
May 26, 2017: Diabetes
https://www.readbyqxmd.com/read/28549970/distinct-patterns-of-cellular-immune-response-elicited-by-influenza-non-adjuvanted-and-as03-adjuvanted-monovalent-h1n1-pdm09-vaccine
#8
Sarah Giarola-Silva, Jordana G A Coelho-Dos-Reis, Marina Moraes Mourão, Ana Carolina Campi-Azevedo, Erick E Nakagaki Silva, Maria Luiza-Silva, Marina Angela Martins, Amanda Cardoso de Oliveira Silveira Cassette, Maurício Azevedo Batista, Vanessa Peruhype-Magalhães, Lis Ribeiro do Valle Antonelli, José Geraldo Leite Ribeiro, Silvana Maria Elói-Santos, Alexandre Vieira Machado, Andréa Teixeira-Carvalho, Olindo Assis Martins-Filho, Márcio Sobreira Silva Araújo
The study aimed at identifying biomarkers of immune response elicited by non-adjuvanted-(NAV) and adjuvanted-(AV) H1N1(pdm09) vaccines. The results showed that despite both vaccines elicited similar levels of anti-H1N1 antibodies at day30 after vaccination, higher reactivity was observed in AV at day180. While AV induced early changes in cell-surface molecules on monocytes, CD4(+), CD8(+) T-cells and B-cells, NAV triggered minor changes, starting later on at day3. Furthermore, AV induced a late and persistent increase in TLR gene expression after day3, except for tlr4, while NAV displayed earlier but transient tlr3/4/7/9 up-regulation...
May 23, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28549929/pragmatic-trials-and-real-world-evidence-an-introduction-to-the-series
#9
Mira Zuidgeest, Iris Goetz, Rolf Groenwold, Elaine Irving, Ghislaine van Thiel, Diederick E Grobbee
This is the introductory paper in a series of 8 papers (see box). In this series we integrate the theoretical design options with the practice of conducting pragmatic trials. For most new market-approved treatments the clinical evidence is insufficient to fully guide physicians and policy makers in choosing the optimal treatment for their patients. Pragmatic trials can fill this gap, by providing evidence on the relative effectiveness of a treatment strategy in routine clinical practice, already in an early phase of development, while maintaining the strength of randomized controlled trials...
May 23, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28549706/long-term-effectiveness-of-a-multifactorial-fall-and-fracture-prevention-program-in-bavarian-nursing-homes-an-analysis-based-on-health-insurance-claims-data
#10
Claudia Schulz, Ivonne Lindlbauer, Kilian Rapp, Clemens Becker, Hans-Helmut König
OBJECTIVE: Femoral fractures are frequently consequences of falls in nursing homes and are associated with considerable costs and unfavorable outcomes such as immobility and mortality. The purpose of this study was to examine the long-term effectiveness of a multifactorial fall and fracture prevention program in nursing homes in terms of reducing femoral fractures. DESIGN: Retrospective cohort study. SETTING: Nursing homes. PARTICIPANTS: Health insurance claims data for 2005-2013 including 85,148 insurants of a sickness fund (Allgemeine Ortskrankenkasse Bayern), aged 65 years or older and living in 802 nursing homes in Bavaria, Germany...
June 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28549682/epidemiology-of-vestibular-disorders-in-the-otoneurology-unit
#11
Gloria Guerra-Jiménez, Alejandra Arenas Rodríguez, Juan Carlos Falcón González, Daniel Pérez Plasencia, Ángel Ramos Macías
INTRODUCTION AND OBJECTIVES: The set of symptoms relating to disorders of the balance system are common in the general population. However, there are few studies quantifying the frequency of onset of the various vestibular disorders that present in specialist otoneurology units in the Spanish population. The aim of this study is to establish the epidemiology of vestibular disorders, their form of presentation, and the expected care burden in a specialist otoneurology clinic. MATERIAL AND METHODS: A retrospective, descriptive, observational study of patients referred to the otoneurology unit of a third level hospital between 1/1/2015 and 31/12/2015...
May 23, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28549646/increased-central-dopaminergic-activity-might-be-involved-in-the-behavioral-abnormality-of-cuprizone-exposure-mice
#12
Haoxiao Chang, Jianghong Liu, Yifan Zhang, Fang Wang, Yanchuan Wu, Li Zhang, Houxi Ai, Guangliang Chen, Linlin Yin
The neurotoxican cuprizone (CPZ, a copper chelator) has been used extensively to create a mouse model of demyelination. However, the effects on behavior of CPZ treatment have not been reported in C57BL/6 mice given a diet containing 0.4% CPZ within 3weeks. Behavioral abnormalities were assessed using a range of test: Y-maze, spontaneous locomotor activity, rota-rod test, novel object recognition, climbing. Mice exposed to CPZ displayed more arm entrance, locomotor movements, and climbing behavior, suggesting an increase in central nervous system activity...
May 23, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28549626/cell-biology-metabolic-crosstalk-in-glioma
#13
REVIEW
Alison Colquhoun
The renewed interest in cancer metabolism in recent years has been fuelled by the identification of the involvement of key oncogenes and tumour suppressor genes in the control of metabolic pathways. Many of these alterations lead to dramatic changes in bioenergetics, biosynthesis and redox balance within tumour cells. The complex relationship between tumour cell metabolism and the tumour microenvironment has turned this field of biochemistry and cell biology into a challenging and exciting area for study. In the case of gliomas the involvement of altered metabolic pathways including glycolysis, oxidative phosphorylation and glutaminolysis are pointing the way to new possibilities for treatment...
May 23, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28549604/effects-of-eight-different-ligament-property-datasets-on-biomechanics-of-a-lumbar-l4-l5-finite-element-model
#14
S Naserkhaki, N Arjmand, A Shirazi-Adl, F Farahmand, M El-Rich
Ligaments assist trunk muscles in balancing external moments and providing spinal stability. In absence of the personalized material properties for ligaments, finite element (FE) models use dispersed data from the literature. This study aims to investigate the relative effects of eight different ligament property datasets on FE model responses. Eight L4-L5 models distinct only in ligament properties were constructed and loaded under moment (15Nm) alone or combined with a compressive follower load (FL). Range of motions (RoM) of the disc-alone model matched well in vitro data...
May 16, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28549601/does-the-anthropometric-model-influence-whole-body-center-of-mass-calculations-in-gait
#15
Robert D Catena, Szu-Hua Chen, Li-Shan Chou
Examining whole-body center of mass (COM) motion is one of method being used to quantify dynamic balance and energy during gait. One common method for estimating the COM position is to apply an anthropometric model to a marker set and calculate the weighted sum from known segmental COM positions. Several anthropometric models are available to perform such a calculation. However, to date there has been no study of how the anthropometric model affects whole-body COM calculations during gait. This information is pertinent to researchers because the choice of anthropometric model may influence gait research findings and currently the trend is to consistently use a single model...
May 17, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28549559/the-novel-indole-3-formaldehyde-2-aitfei-3-f-is-involved-in-processes-of-apoptosis-induction
#16
Mojgan Noroozi Karimabad, Mehdi Mahmoodi, Abdollah Jafarzadeh, Ali Darehkordi, Mohammad Reza Hajizadeh, Hossein Khorramdelazad, Soudeh Khanamani Falahati-Pour, Gholamhossein Hassanshahi
AIM AND OBJECTIVES: Balancing between Bax and Bcl-2 plays critical roles in both proliferation and self-renewal activation of cancer cells. Indole-3-formaldehyde derivatives limit the growth and facilitate cell death in different cell systems. In this study, we introduced a novel indole derivative (2-AITFEI-3-F) with tendency to facilitate apoptosis in NB4 line in comparison to basal Indole-3-formaldehyde (I3F). METHODS: The NB4 cells were cultured in RPMI1640 medium contained 2-AITFEI-3-F and I3F (15...
May 23, 2017: Life Sciences
https://www.readbyqxmd.com/read/28549545/developmental-and-internal-validation-of-a-novel-13-loci-str-multiplex-method-for-cannabis-sativa-dna-profiling
#17
Rachel Houston, Matthew Birck, Sheree Hughes-Stamm, David Gangitano
Marijuana (Cannabis sativa L.) is a plant cultivated and trafficked worldwide as a source of fiber (hemp), medicine, and intoxicant. The development of a validated method using molecular techniques such as short tandem repeats (STRs) could serve as an intelligence tool to link multiple cases by means of genetic individualization or association of cannabis samples. For this purpose, a 13 loci STR multiplex method was developed, optimized, and validated according to relevant ISFG and SWGDAM guidelines. The STR multiplex consists of 13 previously described C...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549479/engaging-the-canadian-public-on-reimbursement-decision-making-for-drugs-for-rare-diseases-a-national-online-survey
#18
Julie Polisena, Michael Burgess, Craig Mitton, Larry D Lynd
BACKGROUND: Funding of drugs for rare diseases (DRDs) requires decisions that balance fairness for all individuals within the healthcare system with compassion for affected individuals. Our study objective was to conduct a national online survey to determine the Canadian public's perspective, including regional variations, associated with DRD decision-making. METHODS: The survey collected responses from 1631 Canadians. Respondents were asked to rank at least three and up to five DRD decision-making priorities, out of a total of eight priorities presented...
May 26, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28549406/supramalleolar-osteotomy-for-tibial-component-malposition-in-total-ankle-replacement
#19
Manja Deforth, Nicola Krähenbühl, Lukas Zwicky, Markus Knupp, Beat Hintermann
BACKGROUND: Persistent pain despite a total ankle replacement is not uncommon. A main source of pain may be an insufficiently balanced ankle. An alternative to the revision of the existing arthroplasty is the use of a corrective osteotomy of the distal tibia, above the stable implant. This strictly extraarticular procedure preserves the integrity of the replaced joint. The aim of this study was to review a series of patients in whom a corrective supramalleolar osteotomy was performed to realign a varus misaligned tibial component in total ankle replacement...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28549299/the-effect-of-feed-supplementation-with-effective-microorganisms-em-on-pro-and-anti-inflammatory-cytokine-concentrations-in-pigs
#20
Ewa Laskowska, Łukasz Jarosz, Zbigniew Grądzki
Effective microorganisms (EM) are used in numerous fields associated with agriculture. The beneficial effects of EM on the general health of pigs and on production parameters are also determined by the influence of these microbes on immunity. The aim of the study was to assess the effect of feed supplementation with EM on the concentration of pro- and anti-inflammatory cytokines in the serum and in a culture of PBMCs with and without ConA stimulation in pigs. ELISA kits were used to determine the cytokine levels in the porcine serum and the PBMC culture supernatants...
April 14, 2017: Research in Veterinary Science
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