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https://www.readbyqxmd.com/read/27934856/bulk-cell-density-and-wnt-tgfbeta-signalling-regulate-mesendodermal-patterning-of-human-pluripotent-stem-cells
#1
Henning Kempf, Ruth Olmer, Alexandra Haase, Annika Franke, Emiliano Bolesani, Kristin Schwanke, Diana Robles-Diaz, Michelle Coffee, Gudrun Göhring, Gerald Dräger, Oliver Pötz, Thomas Joos, Erik Martinez-Hackert, Axel Haverich, Falk F R Buettner, Ulrich Martin, Robert Zweigerdt
In vitro differentiation of human pluripotent stem cells (hPSCs) recapitulates early aspects of human embryogenesis, but the underlying processes are poorly understood and controlled. Here we show that modulating the bulk cell density (BCD: cell number per culture volume) deterministically alters anteroposterior patterning of primitive streak (PS)-like priming. The BCD in conjunction with the chemical WNT pathway activator CHIR99021 results in distinct paracrine microenvironments codifying hPSCs towards definitive endoderm, precardiac or presomitic mesoderm within the first 24 h of differentiation, respectively...
December 9, 2016: Nature Communications
https://www.readbyqxmd.com/read/27920781/inoculation-of-schizolobium-parahyba-with-mycorrhizal-fungi-and-plant-growth-promoting-rhizobacteria-increases-wood-yield-under-field-conditions
#2
Martha V T Cely, Marco A Siviero, Janaina Emiliano, Flávia R Spago, Vanessa F Freitas, André R Barazetti, Erika T Goya, Gustavo de Souza Lamberti, Igor M O Dos Santos, Admilton G De Oliveira, Galdino Andrade
Schizolobium parahyba var. amazonicum (Huber ex Ducke) occurs naturally in the Brazilian Amazon. Currently, it is being planted extensively because of its fast growth and excellent use in forestry. Consequently, there is great interest in new strategies to increase wood production. The interaction between soil microorganisms and plants, specifically in the roots, provides essential nutrients for plant growth. These interactions can have growth-promoting effects. In this way, this study assessed the effect of the inoculation with arbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) on growth of S...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27919314/advances-in-the-neuroscience-of-intelligence-from-brain-connectivity-to-brain-perturbation
#3
Emiliano Santarnecchi, Simone Rossi
Our view is that intelligence, as expression of the complexity of the human brain and of its evolutionary path, represents an intriguing example of "system level brain plasticity": tangible proofs of this assertion lie in the strong links intelligence has with vital brain capacities as information processing (i.e., pure, rough capacity to transfer information in an efficient way), resilience (i.e., the ability to cope with loss of efficiency and/or loss of physical elements in a network) and adaptability (i...
December 6, 2016: Spanish Journal of Psychology
https://www.readbyqxmd.com/read/27910568/mobile-setup-for-synchrotron-based-in-situ-characterization-during-thermal-and-plasma-enhanced-atomic-layer-deposition
#4
Jolien Dendooven, Eduardo Solano, Matthias M Minjauw, Kevin Van de Kerckhove, Alessandro Coati, Emiliano Fonda, Giuseppe Portale, Yves Garreau, Christophe Detavernier
We report the design of a mobile setup for synchrotron based in situ studies during atomic layer processing. The system was designed to facilitate in situ grazing incidence small angle x-ray scattering (GISAXS), x-ray fluorescence (XRF), and x-ray absorption spectroscopy measurements at synchrotron facilities. The setup consists of a compact high vacuum pump-type reactor for atomic layer deposition (ALD). The presence of a remote radio frequency plasma source enables in situ experiments during both thermal as well as plasma-enhanced ALD...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27906937/transversus-abdominis-plane-block-in-the-management-of-acute-postoperative-pain-syndrome-after-caesarean-section-a-randomized-controlled-clinical-trial
#5
Pierfrancesco Fusco, Vincenza Cofini, Emiliano Petrucci, Paolo Scimia, Tullio Pozone, Giuseppe Paladini, Gaspare Carta, Stefano Necozione, Battista Borghi, Franco Marinangeli
BACKGROUND: The international literature is unclear regarding the analgesic efficacy of the transversus abdominis plane block (TAPB) after a Caesarean section (CS). OBJECTIVES: The aim of this study was to determine whether a correctly performed ultrasound-guided TAPB (USG-TAPB) could provide better control of acute postoperative pain during the first 72 hours after CS and if it could provide a faster postoperative recovery. STUDY DESIGN: A double-blind, randomized, controlled clinical trial on pregnant women who underwent CS...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27905646/-responsiveness-of-the-chilean-version-of-the-international-consultation-on-incontinence-questionnaire-short-form-iciq-sf
#6
Maritza Busquets, Cinthya Urquidi, Emiliano Pertossi
BACKGROUND: A symptom questionnaire must be able to detect minimal changes after treatment to be clinically useful. AIM: To evaluate the responsiveness of the Spanish-Chilean version of the ICIQ-SF questionnaire after medical and surgical procedures for the treatment of urinary incontinence (UI) in women consulting at a public Chilean Hospital. MATERIAL AND METHODS: Data of 124 women aged 59 ± 10 years who were treated for UI and in whom ICIQ-SF questionnaire was applied in two opportunities (before and after medical or surgical treatment), was analyzed...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27901071/staphylococcus-aureus-dependent-septic-arthritis-in-murine-knee-joints-local-immune-response-and-beneficial-effects-of-vaccination
#7
Alessia Corrado, Paolo Donato, Silvia Maccari, Raffaella Cecchi, Tiziana Spadafina, Letizia Arcidiacono, Simona Tavarini, Chiara Sammicheli, Donatello Laera, Andrea Guido Oreste Manetti, Paolo Ruggiero, Bruno Galletti, Sandra Nuti, Ennio De Gregorio, Sylvie Bertholet, Anja Seubert, Fabio Bagnoli, Giuliano Bensi, Emiliano Chiarot
Staphylococcus aureus is the major cause of human septic arthritis and osteomyelitis, which deserve special attention due to their rapid evolution and resistance to treatment. The progression of the disease depends on both bacterial presence in situ and uncontrolled disruptive immune response, which is responsible for chronic disease. Articular and bone infections are often the result of blood bacteremia, with the knees and hips being the most frequently infected joints showing the worst clinical outcome. We report the development of a hematogenous model of septic arthritis in murine knees, which progresses from an acute to a chronic phase, similarly to what occurs in humans...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27894751/polymerase-%C3%AE%C2%B5-pole-ultra-mutation-in-uterine-tumors-correlates-with-t-lymphocyte-infiltration-and-increased-resistance-to-platinum-based-chemotherapy-in-vitro
#8
Stefania Bellone, Eliana Bignotti, Silvia Lonardi, Francesca Ferrari, Floriana Centritto, Alice Masserdotti, Francesca Pettinella, Jonathan Black, Gulden Menderes, Gary Altwerger, Pei Hui, Salvatore Lopez, Christopher de Haydu, Elena Bonazzoli, Federica Predolini, Luca Zammataro, Emiliano Cocco, Federico Ferrari, Antonella Ravaggi, Chiara Romani, Fabio Facchetti, Enrico Sartori, Franco E Odicino, Dan-Arin Silasi, Babak Litkouhi, Elena Ratner, Masoud Azodi, Peter E Schwartz, Alessandro D Santin
OBJECTIVE: Up to 12% of all endometrial-carcinomas (EC) harbor DNA-polymerase-ε-(POLE) mutations. It is currently unknown whether the favorable prognosis of POLE-mutated EC is derived from their low metastatic capability, extraordinary number of somatic mutations thus imparting immunogenicity, or a high sensitivity to chemotherapy. METHODS: Polymerase-chain-reaction-amplification and Sanger-sequencing were used to test for POLE exonuclease-domain-mutations (exons 9-14) 131 EC...
November 25, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27882934/macrophage-dependent-il-1%C3%AE-production-induces-cardiac-arrhythmias-in-diabetic-mice
#9
Gustavo Monnerat, Micaela L Alarcón, Luiz R Vasconcellos, Camila Hochman-Mendez, Guilherme Brasil, Rosana A Bassani, Oscar Casis, Daniela Malan, Leonardo H Travassos, Marisa Sepúlveda, Juan Ignacio Burgos, Martin Vila-Petroff, Fabiano F Dutra, Marcelo T Bozza, Claudia N Paiva, Adriana Bastos Carvalho, Adriana Bonomo, Bernd K Fleischmann, Antonio Carlos Campos de Carvalho, Emiliano Medei
Diabetes mellitus (DM) encompasses a multitude of secondary disorders, including heart disease. One of the most frequent and potentially life threatening disorders of DM-induced heart disease is ventricular tachycardia (VT). Here we show that toll-like receptor 2 (TLR2) and NLRP3 inflammasome activation in cardiac macrophages mediate the production of IL-1β in DM mice. IL-1β causes prolongation of the action potential duration, induces a decrease in potassium current and an increase in calcium sparks in cardiomyocytes, which are changes that underlie arrhythmia propensity...
November 24, 2016: Nature Communications
https://www.readbyqxmd.com/read/27877116/are-supramodality-and-cross-modal-plasticity-the-yin-and-yang-of-brain-development-from-blindness-to-rehabilitation
#10
Luca Cecchetti, Ron Kupers, Maurice Ptito, Pietro Pietrini, Emiliano Ricciardi
Research in blind individuals has primarily focused for a long time on the brain plastic reorganization that occurs in early visual areas. Only more recently, scientists have developed innovative strategies to understand to what extent vision is truly a mandatory prerequisite for the brain's fine morphological architecture to develop and function. As a whole, the studies conducted to date in sighted and congenitally blind individuals have provided ample evidence that several "visual" cortical areas develop independently from visual experience and do process information content regardless of the sensory modality through which a particular stimulus is conveyed: a property named supramodality...
2016: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/27876801/ppfia1-drives-active-%C3%AE-5%C3%AE-1-integrin-recycling-and-controls-fibronectin-fibrillogenesis-and-vascular-morphogenesis
#11
Giulia Mana, Fabiana Clapero, Emiliano Panieri, Valentina Panero, Ralph T Böttcher, Hui-Yuan Tseng, Federico Saltarin, Elena Astanina, Katarzyna I Wolanska, Mark R Morgan, Martin J Humphries, Massimo M Santoro, Guido Serini, Donatella Valdembri
Basolateral polymerization of cellular fibronectin (FN) into a meshwork drives endothelial cell (EC) polarity and vascular remodelling. However, mechanisms coordinating α5β1 integrin-mediated extracellular FN endocytosis and exocytosis of newly synthesized FN remain elusive. Here we show that, on Rab21-elicited internalization, FN-bound/active α5β1 is recycled to the EC surface. We identify a pathway, comprising the regulators of post-Golgi carrier formation PI4KB and AP-1A, the small GTPase Rab11B, the surface tyrosine phosphatase receptor PTPRF and its adaptor PPFIA1, which we propose acts as a funnel combining FN secretion and recycling of active α5β1 integrin from the trans-Golgi network (TGN) to the EC surface, thus allowing FN fibrillogenesis...
November 23, 2016: Nature Communications
https://www.readbyqxmd.com/read/27873130/phase-i-clinical-and-pharmacokinetic-study-of-pm01183-a-tetrahydroisoquinoline-lurbinectedin-in-combination-with-gemcitabine-in-patients-with-advanced-solid-tumors
#12
Luis Paz-Ares, Martin Forster, Valentina Boni, Sergio Szyldergemajn, Jesús Corral, Samantha Turnbull, Antonio Cubillo, Carlos Fernandez Teruel, Iker López Calderero, Mariano Siguero, Patrick Bohan, Emiliano Calvo
Background To determine the recommended dose (RD) of a combination of PM01183 and gemcitabine in patients with advanced solid tumors. Methods Forty-five patients received escalating doses of PM01183/gemcitabine on Days 1 and 8 every 3 weeks (d1,8 q3wk) following a standard 3 + 3 design. Results PM01183 3.5 mg flat dose (FD)/gemcitabine 1000 mg/m(2) was the highest dose level tested. Dose-limiting toxicities (DLTs) were mostly hematological and resulted in the expansion of a lower dose level (PM01183 3...
November 21, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27869456/evaluation-of-relational-reasoning-by-a-transitive-inference-task-in-attention-deficit-hyperactivity-disorder
#13
Emiliano Brunamonti, Floriana Costanzo, Anna Mammì, Cristina Rufini, Diletta Veneziani, Pierpaolo Pani, Stefano Vicari, Stefano Ferraina, Deny Menghini
Objective: Here we explored whether children with ADHD have a deficit in relational reasoning, a skill subtending the acquisition of many cognitive abilities and social rules. Method: We analyzed the performance of a group of children with ADHD during a transitive inference task, a task requiring first to learn the reciprocal relationship between adjacent items of a rank ordered series (e.g., A>B; B>C; C>D; D>E; E>F), and second, to deduct the relationship between novel pairs of items never matched during the learning (e...
November 21, 2016: Neuropsychology
https://www.readbyqxmd.com/read/27866584/lymphoma
#14
REVIEW
Emiliano N Mugnaini, Nilanjan Ghosh
Lymphomas may be broadly divided into non-Hodgkin (90%) and Hodgkin (10%) types. Most lymphomas (90%) are of B cell origin but can also be T cell or natural killer cell. Clinical management of indolent and aggressive lymphomas is different. Aggressive lymphomas are more dangerous if left untreated yet a higher cell proliferation rate also renders them more chemosensitive, so they are managed with curative intent. Indolent lymphomas are, for the most part, incurable, such that quality of life must be balanced against toxicity of treatment in deciding when and how to treat...
December 2016: Primary Care
https://www.readbyqxmd.com/read/27863743/in-vitro-and-in-silico-approaches-to-quantify-the-effects-of-the-mitraclip-%C3%A2-system-on-mitral-valve-function
#15
Francesco Sturla, Riccardo Vismara, Michal Jaworek, Emiliano Votta, Paolo Romitelli, Omar A Pappalardo, Federico Lucherini, Carlo Antona, Gianfranco B Fiore, Alberto Redaelli
Mitraclip(®) implantation is widely used as a valid alternative to conventional open-chest surgery in high-risk patients with severe mitral valve (MV) regurgitation. Although effective in reducing mitral regurgitation (MR) in the majority of cases, the clip implantation produces a double-orifice area that can result in altered MV biomechanics, particularly in term of hemodynamics and mechanical stress distribution on the leaflets. In this scenario, we combined the consistency of in vitro experimental platforms with the versatility of numerical simulations to investigate clip impact on MV functioning...
November 10, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27858153/changes-in-the-electromechanical-delay-components-during-a-fatiguing-stimulation-in-human-skeletal-muscle-an-emg-mmg-and-force-combined-approach
#16
Emiliano Cè, Susanna Rampichini, Elena Monti, Massimo Venturelli, Eloisa Limonta, Fabio Esposito
PURPOSE: Peripheral fatigue involves electrochemical and mechanical mechanisms. An electromyographic, mechanomyographic and force combined approach may permit a kinetic evaluation of the changes at the synaptic, skeletal muscle fiber, and muscle-tendon unit level during a fatiguing stimulation. METHODS: Surface electromyogram, mechanomyogram, force and stimulation current were detected from the gastrocnemius medialis muscle in twenty male participants during a fatiguing stimulation (twelve blocks of 35 Hz stimulations, duty cycle 9 s on/1 s off, duration 120 s)...
November 17, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27856718/central-and-peripheral-responses-to-static-and-dynamic-stretch-of-skeletal-muscle-mechano-and-metabo-reflex-implications
#17
Massimo Venturelli, Emiliano Cé, Eloisa Limonta, Angela V Bisconti, Michela Devoto, Susanna Rampichini, Fabio Esposito
Passive static stretching (SS), circulatory cuff occlusion (CCO), and the combination of both (SS+CCO) have been used to investigate the mechano- and metabo-reflex, respectively. However, the effects of dynamic stretching (DS) alone or in combination with CCO (DS+CCO) on the same reflexes have never been explored. The aim of the study was to compare central and peripheral hemodynamic responses to DS, SS, DS+CCO, and SS+CCO. In ten participants, femoral blood flow (FBF), heart rate (HR), cardiac output (CO), and mean arterial pressure (MAP) were assessed during DS and SS of the quadriceps muscle with and without CCO...
November 17, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27847872/blind-protein-structure-prediction-using-accelerated-free-energy-simulations
#18
Alberto Perez, Joseph A Morrone, Emiliano Brini, Justin L MacCallum, Ken A Dill
We report a key proof of principle of a new acceleration method [Modeling Employing Limited Data (MELD)] for predicting protein structures by molecular dynamics simulation. It shows that such Boltzmann-satisfying techniques are now sufficiently fast and accurate to predict native protein structures in a limited test within the Critical Assessment of Structure Prediction (CASP) community-wide blind competition.
November 2016: Science Advances
https://www.readbyqxmd.com/read/27843427/isolated-liver-hilar-infiltration-by-igg4-inflammation-mimicking-cholangiocarcinoma
#19
Laurent Bochatay, Pietro Majno, Emiliano Giostra, Jean Louis Frossard
IgG4-related disease represents a heterogeneous group of disease characterized by infiltration of various tissues by IgG4 plasmocytes. In case of liver infiltration, this condition classically mimics primary sclerosing cholangitis or multifocal cholangiocarcinoma due to inflammation that preferentially affects the intra- and extrahepatic bile duct. Diagnostic criteria have recently been reviewed in order to better define the disease and help physicians make the diagnosis. Herein, we present the case of a patient who died after liver surgery for suspected cholangiocarcinoma that finally turned out to be IgG4-associated liver disease, a condition being out of current consensual criteria...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27827836/3d-buried-utility-location-using-a-marching-cross-section-algorithm-for-multi-sensor-data-fusion
#20
Qingxu Dou, Lijun Wei, Derek R Magee, Phil R Atkins, David N Chapman, Giulio Curioni, Kevin F Goddard, Farzad Hayati, Hugo Jenks, Nicole Metje, Jennifer Muggleton, Steve R Pennock, Emiliano Rustighi, Steven G Swingler, Christopher D F Rogers, Anthony G Cohn
We address the problem of accurately locating buried utility segments by fusing data from multiple sensors using a novel Marching-Cross-Section (MCS) algorithm. Five types of sensors are used in this work: Ground Penetrating Radar (GPR), Passive Magnetic Fields (PMF), Magnetic Gradiometer (MG), Low Frequency Electromagnetic Fields (LFEM) and Vibro-Acoustics (VA). As part of the MCS algorithm, a novel formulation of the extended Kalman Filter (EKF) is proposed for marching existing utility tracks from a scan cross-section (scs) to the next one; novel rules for initializing utilities based on hypothesized detections on the first scs and for associating predicted utility tracks with hypothesized detections in the following scss are introduced...
November 2, 2016: Sensors
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