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https://www.readbyqxmd.com/read/28343260/urethral-lumen-occlusion-by-artificial-sphincteric-devices-a-computational-biomechanics-approach
#1
Arturo Nicola Natali, Emanuele Luigi Carniel, Chiara Giulia Fontanella, Silvia Todros, Giulia Maria De Benedictis, Maria Angela Cerruto, Walter Artibani
The action induced by artificial sphincteric devices to provide urinary continence is related to the problem of evaluating the interaction between the occlusive cuff and the urethral duct. The intensity and distribution of the force induced within the region of application determine a different occlusion process and potential degradation of the urethral tissue, mostly at the borders of the cuff. This problem is generally considered in the light of clinical and surgical operational experience, while a valid cooperation is established with biomechanical competences by means of experimental and numerical investigation...
March 25, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28342744/synthesis-and-anti-cancer-activity-of-chiral-tetrahydropyrazolo-1-5-a-pyridine-fused-steroids
#2
Susana M M Lopes, Emanuel P Sousa, Luísa Barreira, Cátia Marques, Maria João Rodrigues, Teresa M V D Pinho E Melo
Regio- and stereoselective synthesis of novel chiral 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused steroids via [8π+2π] cycloaddition of diazafulvenium methides with steroidal scaffolds is reported. The biological evaluation of the new family of hexacyclic steroids as anti-cancer agents was also carried out. Hexacyclic steroids bearing a benzyl group at C-22, derived from 16-dehydropregnenolone and 16-dehydroprogesterone, show considerable cytotoxicity against EL4 (murine T-lymphoma) in contrast with the corresponding C-22-unsubstituted derivatives showing low cytotoxicity...
March 22, 2017: Steroids
https://www.readbyqxmd.com/read/28340158/maintenance-therapy-is-associated-with-better-long-term-outcomes-in-adult-patients-with-primary-angiitis-of-the-central-nervous-system
#3
Hubert de Boysson, Jean-Jacques Parienti, Caroline Arquizan, Grégoire Boulouis, Nicolas Gaillard, Alexis Régent, Antoine Néel, Olivier Detante, Emanuel Touzé, Achille Aouba, Boris Bienvenu, Loïc Guillevin, Olivier Naggara, Mathieu Zuber, Christian Pagnoux
Objective.: We aimed to analyse the effect of maintenance therapy after induction on the outcomes of adult patients with primary angiitis of the CNS (PACNS). Methods.: We analysed long-term outcomes (relapse, survival and functional status) of patients enrolled in the French multicentre PACNS cohort who achieved remission after induction treatment and with ⩾12 months' follow-up, according to whether or not they received maintenance therapy. Good outcome was defined as relapse-free survival and good functional status (modified Rankin scale ⩽ 2) at last follow-up...
March 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28339758/safety-and-efficacy-of-the-new-bidirectional-rotational-evolution%C3%A2-mechanical-lead-extraction-sheath-results-from-a-multicentre-italian-registry
#4
Patrizio Mazzone, Federico Migliore, Emanuele Bertaglia, Domenico Facchin, Elisabetta Daleffe, Vittorio Calzolari, Martino Crosato, Francesco Melillo, Francesco Peruzza, Alessandra Marzi, Nicoleta Sora, Paolo Della Bella
Aims: The aim of this prospective multicentre study is to evaluate safety and efficacy of the new bidirectional rotational mechanical lead extraction (LE) sheath (Evolution RL, Cook Medical, USA) in chronically implanted leads (>1-year-old leads). Methods and results: Between September 2013 and June 2016, a total of 238 leads in 124 consecutive patients were removed by using the new Evolution RL rotational mechanical sheath. Indications for LE were cardiac device infection in 63 (50...
February 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28337438/mage-a-antigens-and-cancer-immunotherapy
#5
Paul Zajac, Elke Schultz-Thater, Luigi Tornillo, Charlotte Sadowski, Emanuele Trella, Chantal Mengus, Giandomenica Iezzi, Giulio C Spagnoli
MAGE-A antigens are expressed in a variety of cancers of diverse histological origin and germinal cells. Due to their relatively high tumor specificity, they represent attractive targets for active specific and adoptive cancer immunotherapies. Here, we (i) review past and ongoing clinical studies targeting these antigens, (ii) analyze advantages and disadvantages of different therapeutic approaches, and (iii) discuss possible improvements in MAGE-A-specific immunotherapies.
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28336970/a-steep-slope-transistor-combining-phase-change-and-band-to-band-tunneling-to-achieve-a-sub-unity-body-factor
#6
Wolfgang A Vitale, Emanuele A Casu, Arnab Biswas, Teodor Rosca, Cem Alper, Anna Krammer, Gia V Luong, Qing-T Zhao, Siegfried Mantl, Andreas Schüler, A M Ionescu
Steep-slope transistors allow to scale down the supply voltage and the energy per computed bit of information as compared to conventional field-effect transistors (FETs), due to their sub-60 mV/decade subthreshold swing at room temperature. Currently pursued approaches to achieve such a subthermionic subthreshold swing consist in alternative carrier injection mechanisms, like quantum mechanical band-to-band tunneling (BTBT) in Tunnel FETs or abrupt phase-change in metal-insulator transition (MIT) devices...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336492/looking-into-the-brain-through-the-retinal-ganglion-cells-in-psychiatric-disorders-a-review-of-evidences
#7
REVIEW
Thomas Schwitzer, Raymund Schwan, Emanuel Bubl, Laurence Lalanne, Karine Angioi-Duprez, Vincent Laprevote
Psychiatry and neuroscience research need novel approaches to indirectly investigate brain function. As the retina is an anatomical and developmental extension of the central nervous system (CNS), changes in retinal function may reflect neurological dysfunctions in psychiatric disorders. The last and most integrated retinal relay before visual information transfer to the brain is the ganglion cell layer. Here, based on collected arguments, we argue that these cells offer a crucial site for indirectly investigating brain function...
March 20, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28335813/tumor-lysis-syndrome-in-an-extraskeletal-osteosarcoma-a-case-report-and-review-of-the-literature
#8
Vito Emanuele Catania, Michele Vecchio, Michele Malaguarnera, Roberto Madeddu, Giulia Malaguarnera, Saverio Latteri
BACKGROUND: This case report describes a spontaneous tumor lysis syndrome due to a rare solid tumor. CASE PRESENTATION: A 65-year-old white woman had tumor lysis syndrome, which represent a dangerous oncological emergency. This syndrome occurs usually with a hematological tumor, but in this case our patient had a solid tumor, which was a rare extraskeletal osteosarcoma, localized in her pelvic region. She also had lung metastases and bilateral hydronephrosis. After spontaneous tumor lysis syndrome, she had acute renal insufficiency, which was treated with hemodialysis and successively with rasburicase, Kayexalate (sodium polystyrene sulfonate), and febuxostat...
March 24, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28333517/considering-a-family-systems-approach-to-surrogate-decision-making
#9
Elizabeth K Vig, Janelle S Taylor, Ann M O'Hare
Comments on the original article by Rolland, Emanuel, and Torke (see record 2017-05300-001) regarding a family systems approach to medical decision-making by proxy. The authors expanded the focus of clinicians beyond the patient to a more comprehensive understanding of the patient's family. They assert that a better understanding of family dynamics may help clinicians to engage with families more effectively when decision-making is needed for seriously ill loved ones, and may lessen the emotional challenges families and clinicians face when decisions are needed...
March 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28333392/the-biosynthesis-of-nitrous-oxide-in-the-green-alga-chlamydomonas-reinhardtii
#10
Maxence Plouviez, David Wheeler, Andy Shilton, Michael A Packer, Patricia A McLenachan, Emanuel Sanz-Luque, Francisco Ocaña-Calahorro, Emilio Fernández, Benoit Guieysse
Over the last decades, several studies have reported emissions of nitrous oxide (N2 O) from microalgae cultures and aquatic ecosystems characterized by a high level of algal activity (e.g. eutrophic lakes). As N2 O is a potent greenhouse gas (GHG) and an ozone depleting pollutant, these findings suggest that large scale microalgae cultivation (and possibly, natural eutrophic ecosystems) could have significant environmental impacts. Using the model unicellular microalga Chlamydomonas reinhardtii, this study was conducted to investigate the molecular basis of microalgal N2 O synthesis...
March 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28332542/predatory-journals-recruit-fake-editor
#11
Piotr Sorokowski, Emanuel Kulczycki, Agnieszka Sorokowska, Katarzyna Pisanski
No abstract text is available yet for this article.
March 22, 2017: Nature
https://www.readbyqxmd.com/read/28332498/a-genome-wide-screen-identifies-yap-wbp2-interplay-conferring-growth-advantage-on-human-epidermal-stem-cells
#12
Gernot Walko, Samuel Woodhouse, Angela Oliveira Pisco, Emanuel Rognoni, Kifayathullah Liakath-Ali, Beate M Lichtenberger, Ajay Mishra, Stephanie B Telerman, Priyalakshmi Viswanathan, Meike Logtenberg, Lisa M Renz, Giacomo Donati, Sven R Quist, Fiona M Watt
Individual human epidermal cells differ in their self-renewal ability. To uncover the molecular basis for this heterogeneity, we performed genome-wide pooled RNA interference screens and identified genes conferring a clonal growth advantage on normal and neoplastic (cutaneous squamous cell carcinoma, cSCC) human epidermal cells. The Hippo effector YAP was amongst the top positive growth regulators in both screens. By integrating the Hippo network interactome with our data sets, we identify WW-binding protein 2 (WBP2) as an important co-factor of YAP that enhances YAP/TEAD-mediated gene transcription...
March 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28332413/interlaboratory-validation-of-an-lc-ms-ms-method-for-the-determination-of-melamine-and-cyanuric-acid-in-animal-feed
#13
Hildburg Fry, Kerstin Mietle, Eileen Mähnert, Sebastian Zinke, Mandy Schwieters, Emanuele Pydde, Angelika Preiß-Weigert
Melamine and cyanuric acid have been mixed illegally into food and feed to increase the nitrogen content which results in deceptively high protein contents. As a consequence a maximum level for melamine of 2.5 mg kg(-1) feed was established by the European Union under directive 2002/32/EC. A method is required to quantify melamine and cyanuric acid for control of the maximum level. Therefore Technical Committee (TC) 327 of the European Committee for Standardisation (CEN) commissioned the standardisation of a method for the analysis of melamine and cyanuric acid in animal feed...
March 23, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28331046/multidrug-resistant-tuberculosis-and-beyond-an-updated-analysis-of-the-current-evidence-on-bedaquiline
#14
EDITORIAL
Emanuele Pontali, Lia D'Ambrosio, Rosella Centis, Giovanni Sotgiu, Giovanni Battista Migliori
No abstract text is available yet for this article.
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28330947/linking-hemorrhage-angiogenesis-macrophages-and-iron-metabolism-in-atherosclerotic-vascular-diseases
#15
REVIEW
Liang Guo, Emanuel Harari, Renu Virmani, Aloke V Finn
No abstract text is available yet for this article.
April 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28328535/the-assessment-of-labor-a-brief-history
#16
Wayne R Cohen, Emanuel A Friedman
In the 1930s, investigators in the US, Germany and Switzerland made the first attempts to quantify the course of labor in a clinically meaningful way. They emphasized the rupture of membranes as a pivotal event governing labor progress. Attention was also placed on the total number of contractions as a guide to normality. Beginning in the 1950s, Friedman determined that changes in cervical dilatation and fetal station over time were the most useful parameters for the assessment of labor progress. He showed all normal labors had similar patterns of dilatation and descent, differing only in the durations and slopes of their component parts...
March 22, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28327810/spatial-temporal-analysis-of-dengue-deaths-identifying-social-vulnerabilities
#17
Maria do Socorro da Silva, Maria Dos Remédios Freitas Carvalho Branco, José Aquino, Rejane Christine de Sousa Queiroz, Emanuele Bani, Emnielle Pinto Borges Moreira, Maria Nilza Lima Medeiros, Zulimar Márita Ribeiro Rodrigues
INTRODUCTION: Currently, dengue fever, chikungunya fever, and zika virus represent serious public health issues in Brazil, despite efforts to control the vector, the Aedes aegypti mosquito. METHODS: This was a descriptive and ecological study of dengue deaths occurring from 2002 to 2013 in São Luis, Maranhão, Brazil. Geoprocessing software was used to draw maps, linking the geo-referenced deaths with urban/social data at census tract level. RESULTS: There were 74 deaths, concentrated in areas of social vulnerability...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28325150/managing-expectations-in-the-transition-to-proof-of-concept-studies
#18
Thomas Kieber-Emmons, Issam Makhoul, Angela Pennisi, Eric R Siegel, Peter D Emanuel, Bejotaloh Monzavi-Karbassi, Zenon Steplewski, J Thaddeus Beck, Laura F Hutchins
BACKGROUND: As we are moving away from the traditional chemotherapy era to targeted therapy, the validity of old assessment paradigms associated with therapeutics are being raised in the context of immunotherapy. The old paradigm required elaborate assessment of toxicity with no expectation of efficacy in early phase trials. Safety data from Phase 1 and 2 studies with many immunotherapeutics show that they display limited toxicities and draw attention to the need to demonstrate efficacy in the early evaluation of new agents...
March 21, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28324102/duodenal-mucosa-of-patients-with-type-1-diabetes-shows-distinctive-inflammatory-profile-and-microbiota
#19
Silvia Pellegrini, Valeria Sordi, Andrea Mario Bolla, Diego Saita, Roberto Ferrarese, Filippo Canducci, Massimo Clementi, Francesca Invernizzi, Alberto Mariani, Riccardo Bonfanti, Graziano Barera, Pier Alberto Testoni, Claudio Doglioni, Emanuele Bosi, Lorenzo Piemonti
Context: Increasing evidences suggest a correlation between gut and type 1 diabetes (T1D). Objective: The objective of this study is to evaluate the gut inflammatory profile and microbiota in patients with T1D, compared to healthy controls (CTRL) and patients with celiac disease (CD) as gut inflammatory disease controls. Design/Setting/Participants: The inflammatory status and microbiome composition were evaluated in biopsies of the duodenal mucosa of patients with T1D (n=19), CD (n=19) and CTRL (n=16), recruited at San Raffaele Scientific Institute, in Milan, Italy, between 2009 and 2015...
January 19, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322229/periodic-potentials-in-hybrid-van-der-waals-heterostructures-formed-by-supramolecular-lattices-on-graphene
#20
Marco Gobbi, Sara Bonacchi, Jian X Lian, Yi Liu, Xiao-Ye Wang, Marc-Antoine Stoeckel, Marco A Squillaci, Gabriele D'Avino, Akimitsu Narita, Klaus Müllen, Xinliang Feng, Yoann Olivier, David Beljonne, Paolo Samorì, Emanuele Orgiu
The rise of 2D materials made it possible to form heterostructures held together by weak interplanar van der Waals interactions. Within such van der Waals heterostructures, the occurrence of 2D periodic potentials significantly modifies the electronic structure of single sheets within the stack, therefore modulating the material properties. However, these periodic potentials are determined by the mechanical alignment of adjacent 2D materials, which is cumbersome and time-consuming. Here we show that programmable 1D periodic potentials extending over areas exceeding 10(4) nm(2) and stable at ambient conditions arise when graphene is covered by a self-assembled supramolecular lattice...
March 21, 2017: Nature Communications
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