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Andrea Szentesi, Emese Tóth, Emese Bálint, Júlia Fanczal, Tamara Madácsy, Dorottya Laczkó, Imre Ignáth, Anita Balázs, Petra Pallagi, József Maléth, Zoltán Rakonczay, Balázs Kui, Dóra Illés, Katalin Márta, Ágnes Blaskó, Alexandra Demcsák, Andrea Párniczky, Gabriella Pár, Szilárd Gódi, Dóra Mosztbacher, Ákos Szücs, Adrienn Halász, Ferenc Izbéki, Nelli Farkas, Péter Hegyi
OBJECTIVE: Biomedical investment trends in 2015 show a huge decrease of investment in gastroenterology. Since academic research usually provides the basis for industrial research and development (R&D), our aim was to understand research trends in the field of gastroenterology over the last 50 years and identify the most endangered areas. METHODS: We searched for PubMed hits for gastrointestinal (GI) diseases for the 1965-2015 period. Overall, 1,554,325 articles were analyzed...
2016: PloS One
Jin Xu, Xia-Fei Wang, Peng Chen, Fang-Tao Liu, Shuai-Chao Zheng, Hui Ye, Ming-He Mo
The vast majority of lepidopterans, about 90%, are moths. Some moths, particularly their caterpillars, are major agricultural and forestry pests in many parts of the world. However, some other members of moths, such as the silkworm Bombyx mori, are famous for their economic value. Fire et al. in 1998 initially found that exogenous double-stranded RNA (dsRNA) can silence the homolog endogenous mRNA in organisms, which is called RNA interference (RNAi). Soon after, the RNAi technique proved to be very promising not only in gene function determination but also in pest control...
October 19, 2016: Genes
Martina Held, Annuska Berz, Ronja Hensgen, Thomas S Muenz, Christina Scholl, Wolfgang Rössler, Uwe Homberg, Keram Pfeiffer
While the ability of honeybees to navigate relying on sky-compass information has been investigated in a large number of behavioral studies, the underlying neuronal system has so far received less attention. The sky-compass pathway has recently been described from its input region, the dorsal rim area (DRA) of the compound eye, to the anterior optic tubercle (AOTU). The aim of this study is to reveal the connection from the AOTU to the central complex (CX). For this purpose, we investigated the anatomy of large microglomerular synaptic complexes in the medial and lateral bulbs (MBUs/LBUs) of the lateral complex (LX)...
2016: Frontiers in Behavioral Neuroscience
Argyro Katsika
This study aims at examining and accounting for the scope of the temporal effect of phrase boundaries. Previous research has indicated that there is an interaction between boundary-related lengthening and prominence such that the former extends towards the nearby prominent syllable. However, it is unclear whether this interaction is due to lexical stress and/or phrasal prominence (marked by pitch accent) and how far towards the prominent syllable the effect extends. Here, we use an electromagnetic articulography (EMA) study of Greek to examine the scope of boundary-related lengthening as a function of lexical stress and pitch accent separately...
March 2016: Journal of Phonetics
Megumi Mathison, Vivek P Singh, Maria J Chiuchiolo, Deepthi Sanagasetti, Yun Mao, Vivekkumar B Patel, Jianchang Yang, Stephen M Kaminsky, Ronald G Crystal, Todd K Rosengart
OBJECTIVE: The reprogramming of cardiac fibroblasts into induced cardiomyocyte-like cells improves ventricular function in myocardial infarction models. Only integrating persistent expression vectors have thus far been used to induce reprogramming, potentially limiting its clinical applicability. We therefore tested the reprogramming potential of nonintegrating, acute expression adenoviral (Ad) vectors. METHODS: Ad or lentivirus vectors encoding Gata4 (G), Mef2c (M), and Tbx5 (T) were validated in vitro...
September 23, 2016: Journal of Thoracic and Cardiovascular Surgery
Eva F G Naninck, J Efraim Oosterink, Kit-Yi Yam, Lennart P de Vries, Henk Schierbeek, Johannes B van Goudoever, Rikst-Nynke Verkaik-Schakel, Josèe A Plantinga, Torsten Plosch, Paul J Lucassen, Aniko Korosi
Early-life stress (ES) impairs cognition later in life. Because ES prevention is problematic, intervention is needed, yet the mechanisms that underlie ES remain largely unknown. So far, the role of early nutrition in brain programming has been largely ignored. Here, we demonstrate that essential 1-carbon metabolism-associated micronutrients (1-CMAMs; i.e., methionine and B vitamins) early in life are crucial in programming later cognition by ES. ES was induced in male C57Bl/6 mice from postnatal d (P)2-9. 1-CMAM levels were measured centrally and peripherally by using liquid chromatography-mass spectroscopy...
October 21, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Qiang Tan, Qianwei Chen, Zhou Feng, Xia Shi, Jun Tang, Yihao Tao, Bing Jiang, Liang Tan, Hua Feng, Gang Zhu, Yunfeng Yang, Zhi Chen
Fibrosis in ventricular system has a role in hydrocephalus following intraventricular hemorrhage (IVH). The cannabinoid receptor 2 (CB2) has been reported to participate in alleviating the fibrosis process of many diseases. However, its role in fibrosis after IVH was unclear so far, and we hypothesized that CB2 activation has potential to attenuate hydrocephalus after IVH via restricting fibrosis. So the present study was designed to investigate this hypothesis in a modified rat IVH model. Autologous non-anticoagulative blood injection model was induced to mimic ventricular extension of hemorrhage in adult Sprague-Dawley rats...
October 18, 2016: Brain Research
Ming-Qiu Shan, Yan Qian, Sheng Yu, Shu-Chen Guo, Li Zhang, An-Wei Ding, Qi-Nan Wu
ETHNOPHARMACOLOGICAL RELEVANCE: Schizonepeta tenuifolia Briq. (ST) herbs have been used as a Traditional Chinese Medicine (TCM) for treating colds for thousands of years. The volatile oil is considered as the main material basis responsible for the efficacy of ST and has attracted lots of attention on its anti-inflammatory effect recently. AIM OF STUDY: This paper investigated the anti-inflammatory effects of the distilled volatile oils from Schizonepeta tenuifolia (STVO) that were collected at different harvesting times on carrageenin-induced pleurisy in rats...
October 17, 2016: Journal of Ethnopharmacology
Yohannes Haile-Selassie, Stephanie M Melillo, Timothy M Ryan, Naomi E Levin, Beverly Z Saylor, Alan Deino, Ronald Mundil, Gary Scott, Mulugeta Alene, Luis Gibert
Australopithecus afarensis is the best-known and most dimorphic species in the early hominin fossil record. Here, we present a comparative description of new fossil specimens of Au. afarensis from Nefuraytu, a 3.330-3.207 million-years-old fossil collection area in the Woranso-Mille study area, central Afar, Ethiopia. These specimens include NFR-VP-1/29, one of the most complete mandibles assigned to the species thus far and among the largest mandibles attributed to Au. afarensis, likely representing a male individual...
November 2016: Journal of Human Evolution
Riccardo Paolo Lia, Yasen Mutafchiev, Vincenzo Veneziano, Alessio Giannelli, Francesca Abramo, Mario Santoro, Maria Stefania Latrofa, Cinzia Cantacessi, Coralie Martin, Domenico Otranto, Andrea Bertuglia, Barbara Riccio
Equids can be infected by a range of skin-dwelling filarial nematodes, including four species of the genus Onchocerca. Current literature on equine onchocercosis is fragmentary and often limited to isolated case reports. The present study aimed to describe a clinical case of equine onchocercosis caused by Onchocerca boehmi (Supperer, 1953) (syn. Elaeophora boehmi) in an 8-year-old gelding Belgian show jumper from northern Italy. The horse was presented with a firm and painless mass on the proximal third of the right metacarpal region...
October 19, 2016: Parasitology Research
Vojtěch Žárský, Pavel Doležal
BACKGROUND: The Tim17 family of proteins plays a fundamental role in the biogenesis of mitochondria. Three Tim17 family proteins, Tim17, Tim22, and Tim23, are the central components of the widely conserved multi-subunit protein translocases, TIM23 and TIM22, which mediate protein transport across and into the inner mitochondrial membrane, respectively. In addition, several Tim17 family proteins occupy the inner and outer membranes of plastids. RESULTS: We have performed comprehensive sequence analyses on 5631 proteomes from all domains of life deposited in the Uniprot database...
October 19, 2016: Biology Direct
Paulo Victor Sgobbi de Souza, Wladimir Bocca Vieira de Rezende Pinto, Flávio Moura Rezende, Acary Souza Bulle Oliveira
Motor neuron disease is one of the major groups of neurodegenerative diseases, mainly represented by amyotrophic lateral sclerosis. Despite wide genetic and biochemical data regarding its pathophysiological mechanisms, motor neuron disease develops under a complex network of mechanisms not restricted to the unique functions of the alpha motor neurons but which actually involve diverse functions of glial cell interaction. This review aims to expose some of the leading roles of glial cells in the physiological mechanisms of neuron-glial cell interactions and the mechanisms related to motor neuron survival linked to glial cell functions...
October 2016: Arquivos de Neuro-psiquiatria
Anne-Christine Mupepele, Jessica C Walsh, William J Sutherland, Carsten F Dormann
Reliability of scientific findings is important, especially if they directly impact decision making, such as in environmental management. In the 1990s, assessments of reliability in the medical field resulted in the development of evidence-based practice. Ten years later, evidence-based practice was translated into conservation, but so far no guidelines exist on how to assess the evidence of individual studies. Assessing the evidence of individual studies is essential to appropriately identify and synthesize the confidence in research findings...
July 2016: Ecological Applications: a Publication of the Ecological Society of America
Masatsugu Horiuchi
Hypertensive patients have greater chances of such cardiovascular events as stroke, coronary heart disease, heart or renal failure, peripheral artery disease, and dementia. It is also well recognized that diabetes increases the cardiovascular risks in concert with hypertension. Therefore, main goals for an innovation of anti-hypertensive therapy would be to achieve further risk reduction by targeting the functional, metabolic, and structural alterations associated with hypertension. Professors Dzau and Braunwald et al proposed the concept of "the cardiovascular disease continuum" in 1991, and that hypertension may trigger the chain of events, leading to end-stage heart disease; however, this concept was quite new at that time, and there was some discussion whether "the cardiovascular disease continuum" is true or not...
September 2016: Journal of Hypertension
Chang-Qing Zhao, Wei Ding, Kai Zhang, Jie Zhao
BACKGROUND: Large lumbar or lumbosacral (LS) disc herniations usually expand from the paramedian space to the neuroforamen and compress both the transversing (lower) and the exiting (upper) nerve roots, thus leading to bi-radicular symptoms. Bi-radicular involvement is a statistically significant risk factor for poor outcome in patients presenting with far lateral or foraminal disc herniation after facet preserving microdecompression. There is evidence showing that patients suffering from large lumbar disc herniations treated with interbody fusion have significant superior results in comparison with those who received a simple discectomy...
September 2016: Indian Journal of Orthopaedics
Chady Salloum, Chetana Lim, Eylon Lahat, Concepcion Gomez I Gavara, Eric Levesque, Philippe Compagnon, Daniel Azoulay
BACKGROUND: After comparing with open approach, left lateral sectionectomy (LLS) has become standard in terms of short-term outcomes without jeopardizing long-term survival when performed for malignancy. The aim of this study was to compare the short-term and economic outcomes of laparoscopic (L-LLS) and robotic (R-LLS) LLS. METHODS: All consecutive patients who underwent L-LLS or R-LLS from 1997 to 2014 were analyzed. Short-term and economic outcomes were compared between the two groups using a propensity score matching (PSM)...
October 14, 2016: World Journal of Surgery
Fernando Rafael Barri
Wildlife reintroduction is an increasingly used strategy to reverse anthropocene defaunation. For the purpose of ecosystem restoration, in 2007 the guanaco (Lama guanicoe) was reintroduced to the Quebrada del Condorito National Park, situated in the mountains of central Argentina. With the aim of developing management recommendations, the project included permanently monitoring the population to evaluate its dynamics and the ecological response of the individuals released into the area. Nine years later and after two releases of guanacos (113 individuals in 2007 without and 25 in 2011 with a pre-adaptation period), only 24 individuals, which conform three reproductive groups, and one group of solitary males were settled in the Park...
2016: PloS One
Varun R Kshettry, Andrew T Healy, Robb Colbrunn, Dylan T Beckler, Edward C Benzel, Pablo F Recinos
OBJECTIVE The far lateral transcondylar approach to the ventral foramen magnum requires partial resection of the occipital condyle. Early biomechanical studies suggest that occipitocervical (OC) fusion should be considered if 50% of the condyle is resected. In clinical practice, however, a joint-sparing condylectomy has often been employed without the need for OC fusion. The biomechanics of the joint-sparing technique have not been reported. Authors of the present study hypothesized that the clinically relevant joint-sparing condylectomy would result in added stability of the craniovertebral junction as compared with earlier reports...
October 14, 2016: Journal of Neurosurgery
Jean-Jacques Orban de Xivry, Valery Legrain, Philippe Lefèvre
Motor planning is the process of preparing the appropriate motor commands in order to achieve a goal. This process has largely been thought to occur before movement onset and traditionally has been associated with reaction time. However, in a virtual line bisection task, we observed an overlap between movement planning and execution. In this task performed with a robotic manipulandum, we observed that participants (N=30) made straight movements when the line was in front of them (near target), but often made curved movements when the same target was moved sideways (far target, which had the same orientation) in such a way that they crossed the line perpendicular to its orientation...
October 12, 2016: Journal of Neurophysiology
Shanmugapriya Thangavadivel, Claudia Zelle-Rieser, Angelika Olivier, Benno Postert, Gerold Untergasser, Johann Kern, Andrea Brunner, Eberhard Gunsilius, Rainer Biedermann, Roman Hajek, Ludek Pour, Wolfgang Willenbacher, Richard Greil, Karin Jöhrer
The bone marrow microenvironment plays a decisive role in multiple myeloma progression and drug resistance. Chemokines are soluble mediators of cell migration, proliferation and survival and essentially modulate tumor progression and drug resistance. Here we investigated bone marrow-derived chemokines of naive and therapy-refractory myeloma patients and discovered that high levels of the chemokine CCL27, known so far for its role in skin inflammatory processes, correlated with worse overall survival of the patients...
October 8, 2016: Oncotarget
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