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https://www.readbyqxmd.com/read/28920002/ep4-antagonism-by-e7046-diminishes-myeloid-immunosuppression-and-synergizes-with-treg-reducing-il-2-diphtheria-toxin-fusion-protein-in-restoring-anti-tumor-immunity
#1
Diana I Albu, Zichun Wang, Kuan-Chun Huang, Jiayi Wu, Natalie Twine, Sarah Leacu, Christy Ingersoll, Lana Parent, Winnie Lee, Diana Liu, Renee Wright-Michaud, Namita Kumar, Galina Kuznetsov, Qian Chen, Wanjun Zheng, Kenichi Nomoto, Mary Woodall-Jappe, Xingfeng Bao
Reprogramming of immunosuppressive tumor microenvironment (TME) by targeting alternatively activated tumor associated macrophages (M2TAM), myeloid-derived suppressor cells (MDSC), and regulatory T cells (Tregs), represents a promising strategy for developing novel cancer immunotherapy. Prostaglandin E2 (PGE2), an arachidonic acid pathway metabolite and mediator of chronic inflammation, has emerged as a powerful immunosuppressor in the TME through engagement with one or more of its 4 receptors (EP1-EP4). We have developed E7046, an orally bioavailable EP4-specific antagonist and show here that E7046 has specific and potent inhibitory activity on PGE2-mediated pro-tumor myeloid cell differentiation and activation...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28918448/a-systematic-review-of-cost-effectiveness-analysis-of-screening-interventions-for-assessing-the-risk-of-venous-thromboembolism-in-women-considering-combined-oral-contraceptives
#2
REVIEW
Zanfina Ademi, C Simone Sutherland, Joris Van Stiphout, Jöelle Michaud, Goranka Tanackovic, Matthias Schwenkglenks
Use of combined oral contraceptives (COCs) by women increases the risk of venous thromboembolism (VTE), which can have a major impact on an individuals' quality of life. VTE is also associated with an increase in healthcare costs. Our aim was to systematically review cost-effectiveness analyses (CEAs) considering any screening for risk of VTE in women using COCs. The quality of reporting in each study was assessed, a summary of results was prepared, and the key drivers of cost effectiveness in each of the eligible CEAs were identified...
September 16, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28917930/structural-characterization-and-rheological-behavior-of-a-heteroxylan-extracted-from-plantago-notata-lagasca-plantaginaceae-seeds
#3
Fatima Benaoun, Cédric Delattre, Zakaria Boual, Alina V Ursu, Christophe Vial, Christine Gardarin, Anne Wadouachi, Didier Le Cerf, Tony Varacavoudin, Mohamed Didi Ould El-Hadj, Philippe Michaud, Guillaume Pierre
Plantago notata (Plantaginaceae) is a spontaneous plant from Septentrional Algerian Sahara currently used by traditional healers to treat stomach disorders, inflammations or wound healing. A water-soluble polysaccharide, called PSPN (PolySaccharide fraction from Plantago Notata), was extracted and purified from the seeds of this semi-arid plant. The structural features of this mucilage were evaluated by colorimetric assays, Fourier transformed infrared spectroscopy (FT-IR), gas chromatography coupled to mass spectrometry (GC/MS) and (1)H/(13)C Nuclear Magnetic Resonance (NMR) spectroscopy...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917881/structural-characterization-and-rheological-properties-of-a-galactomannan-from-astragalus-gombo-bunge-seeds-harvested-in-algerian-sahara
#4
T Chouana, G Pierre, C Vial, C Gardarin, A Wadouachi, D Cailleu, D Le Cerf, Z Boual, M D Ould El Hadj, P Michaud, C Delattre
A water soluble polysaccharide (WSP) was extracted and purified from Astragalus gombo seeds (Fabaceae) harvested in Septentrional Sahara (Ouargla, Algeria) with a yield of 6.8% (w/w of the dry seed ground). It was characterized by gas chromatography coupled to the mass spectrometry (GC-MS), size exclusion chromatography with Multi-Angle Light Scattering analysis (SEC-MALLS), high-resolution (1)H and (13)C NMR, and rheological measurements. The structural characterization indicated that this WSP fraction is a galactomannan with a mannose/galactose ratio of 1...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917558/cardiac-sympathectomy-for-the-management-of-ventricular-arrhythmias-refractory-to-catheter-ablation
#5
Travis Richardson, Ricardo Lugo, Pablo Saavedra, George Crossley, Walter Clair, Sharon Shen, Juan Carlos Estrada, Jay Montgomery, M Benjamin Shoemaker, Christopher Ellis, Gregory F Michaud, Eric Lambright, Arvindh Kanagasundram
BACKGROUND: Catheter ablation is now a mainstay of therapy for ventricular arrhythmias (VA). However, there are scenarios where either physiologic or anatomical factors make ablation less likely to be successful. OBJECTIVES: To demonstrate that cardiac sympathetic denervation (CSD) may be an alternate therapy for patients with difficult to ablate VA. METHODS: We identified all patients referred for CSD at a single center for indications other than LQTS and CPVT who had failed catheter ablation...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28914401/2017-hrs-ehra-ecas-aphrs-solaece-expert-consensus-statement-on-catheter-and-surgical-ablation-of-atrial-fibrillation-executive-summary
#6
Hugh Calkins, Gerhard Hindricks, Riccardo Cappato, Young-Hoon Kim, Eduardo B Saad, Luis Aguinaga, Joseph G Akar, Vinay Badhwar, Josep Brugada, John Camm, Peng-Sheng Chen, Shih-Ann Chen, Mina K Chung, Jens Cosedis Nielsen, Anne B Curtis, D Wyn Davies, John D Day, André d'Avila, N M S Natasja de Groot, Luigi Di Biase, Mattias Duytschaever, James R Edgerton, Kenneth A Ellenbogen, Patrick T Ellinor, Sabine Ernst, Guilherme Fenelon, Edward P Gerstenfeld, David E Haines, Michel Haissaguerre, Robert H Helm, Elaine Hylek, Warren M Jackman, Jose Jalife, Jonathan M Kalman, Josef Kautzner, Hans Kottkamp, Karl Heinz Kuck, Koichiro Kumagai, Richard Lee, Thorsten Lewalter, Bruce D Lindsay, Laurent Macle, Moussa Mansour, Francis E Marchlinski, Gregory F Michaud, Hiroshi Nakagawa, Andrea Natale, Stanley Nattel, Ken Okumura, Douglas Packer, Evgeny Pokushalov, Matthew R Reynolds, Prashanthan Sanders, Mauricio Scanavacca, Richard Schilling, Claudio Tondo, Hsuan-Ming Tsao, Atul Verma, David J Wilber, Teiichi Yamane
No abstract text is available yet for this article.
September 15, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28912244/potential-role-of-intratumor-bacteria-in-mediating-tumor-resistance-to-the-chemotherapeutic-drug-gemcitabine
#7
Leore T Geller, Michal Barzily-Rokni, Tal Danino, Oliver H Jonas, Noam Shental, Deborah Nejman, Nancy Gavert, Yaara Zwang, Zachary A Cooper, Kevin Shee, Christoph A Thaiss, Alexandre Reuben, Jonathan Livny, Roi Avraham, Dennie T Frederick, Matteo Ligorio, Kelly Chatman, Stephen E Johnston, Carrie M Mosher, Alexander Brandis, Garold Fuks, Candice Gurbatri, Vancheswaran Gopalakrishnan, Michael Kim, Mark W Hurd, Matthew Katz, Jason Fleming, Anirban Maitra, David A Smith, Matt Skalak, Jeffrey Bu, Monia Michaud, Sunia A Trauger, Iris Barshack, Talia Golan, Judith Sandbank, Keith T Flaherty, Anna Mandinova, Wendy S Garrett, Sarah P Thayer, Cristina R Ferrone, Curtis Huttenhower, Sangeeta N Bhatia, Dirk Gevers, Jennifer A Wargo, Todd R Golub, Ravid Straussman
Growing evidence suggests that microbes can influence the efficacy of cancer therapies. By studying colon cancer models, we found that bacteria can metabolize the chemotherapeutic drug gemcitabine (2',2'-difluorodeoxycytidine) into its inactive form, 2',2'-difluorodeoxyuridine. Metabolism was dependent on the expression of a long isoform of the bacterial enzyme cytidine deaminase (CDDL), seen primarily in Gammaproteobacteria. In a colon cancer mouse model, gemcitabine resistance was induced by intratumor Gammaproteobacteria, dependent on bacterial CDDL expression, and abrogated by cotreatment with the antibiotic ciprofloxacin...
September 15, 2017: Science
https://www.readbyqxmd.com/read/28889807/no-nutritional-benefits-of-egg-cannibalism-for-coleomegilla-maculata-coleoptera-coccinellidae-on-a-high-quality-diet
#8
A H Abdelwahab, J P Michaud, M H Bayoumy, S S Awadalla, M El-Gendy
Egg cannibalism serves various functions in the Coccinellidae. Here we examined the fitness consequences of egg cannibalism by neonates, fourth instar larvae, and prereproductive adults of Coleomegilla maculata DeGeer, with beetles fed a diet of Ephestia kuehniella Zeller eggs. Cannibalism of two eggs by neonates had no effect on development, and cannibalism of five eggs by fourth instars did not benefit any aspect of reproduction, but delayed pupation slightly. Cannibalism of eggs by pre-reproductive adults had no effect on reproductive success in any combination of reciprocal crosses of cannibals and non-cannibals...
September 11, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28889247/guidelines-for-autopsy-investigation-of-sudden-cardiac-death-2017-update-from-the-association-for-european-cardiovascular-pathology
#9
Cristina Basso, Beatriz Aguilera, Jytte Banner, Stephan Cohle, Giulia d'Amati, Rosa Henriques de Gouveia, Cira di Gioia, Aurelie Fabre, Patrick J Gallagher, Ornella Leone, Joaquin Lucena, Lubov Mitrofanova, Pilar Molina, Sarah Parsons, Stefania Rizzo, Mary N Sheppard, Maria Paz Suárez Mier, S Kim Suvarna, Gaetano Thiene, Allard van der Wal, Aryan Vink, Katarzyna Michaud
Although sudden cardiac death (SCD) is one of the most important modes of death in Western countries, pathologists and public health physicians have not given this problem the attention it deserves. New methods of preventing potentially fatal arrhythmias have been developed and the accurate diagnosis of the causes of SCD is now of particular importance. Pathologists are responsible for determining the precise cause and mechanism of sudden death but there is still considerable variation in the way in which they approach this increasingly complex task...
September 9, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28885876/subcutaneous-draining-of-lower-extremity-edema-in-a-patient-with-advanced-cancer-relieves-scrotal-swelling-and-improves-mobility
#10
Megan J Sellick, Mary Michaud, Sheldon Wong, David Candler, Sharon M Watanabe
No abstract text is available yet for this article.
September 8, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28881456/improvement-in-sexual-function-after-ovarian-cancer-effects-of-sexual-therapy-and-rehabilitation-after-treatment-for-ovarian-cancer
#11
Sharon L Bober, Christopher J Recklitis, Alexis L Michaud, Alexi A Wright
BACKGROUND: Sexual dysfunction is a distressing long-term effect after gynecological cancer and affects the majority of survivors for years after the completion of therapy. Despite its prevalence, treatment-related sexual dysfunction is underrecognized and undertreated for survivors. Thus, the aim of this study was to develop and test a brief psychoeducational intervention for managing sexual dysfunction for women who have undergone treatment for ovarian cancer (OC). METHODS: Forty-six OC survivors with documented, treatment-related sexual dysfunction received a single half-day group intervention that included sexual health education and rehabilitation training, relaxation and cognitive behavioral therapy skills to address sexual symptoms, and a single tailored booster telephone call 4 weeks after the group...
September 7, 2017: Cancer
https://www.readbyqxmd.com/read/28880943/non-pulmonary-vein-mediated-atrial-fibrillation-a-novel-sub-phenotype
#12
Maureen Farrell, Zachary Yoneda, Jay Montgomery, Diane Crawford, Lauren Lee Wray, Meng Xu, Matthew J Kolek, Travis Richardson, Ricardo Lugo, Mohamed Metawee, Greg Michaud, Juan Carlos Estrada, Pablo Saavedra, Sharon Shen, Arvindh Kanagasundram, Christopher R Ellis, George Crossley, Dan Roden, M Benjamin Shoemaker
BACKGROUND: Atrial fibrillation (AF) is a mechanistically heterogeneous disorder, and the ability to identify sub-phenotypes ("endophenotypes") of AF would assist in the delivery of personalized medicine. We used the clinical response to pulmonary vein isolation (PVI) to identify a sub-group of patients with non-PV mediated AF and sought to define the clinical associations. METHODS: Subjects enrolled in the Vanderbilt AF Ablation Registry who underwent a repeat AF ablation due to arrhythmia recurrence were analyzed on the basis of PV reconnection...
2017: PloS One
https://www.readbyqxmd.com/read/28861654/breast-cancer-screening-for-patients-of-rural-accountable-care-organization-clinics-a-multi-level-analysis-of-barriers-and-facilitators
#13
Hongmei Wang, Abbey Gregg, Fang Qiu, Jungyoon Kim, Baojiang Chen, Neng Wan, Dejun Su, Tzeyu Michaud, Li-Wu Chen
Not all women 50-74 years received biennial mammography and the situation is worse in rural areas. Accountable care organizations (ACO) emphasize coordinated care, use of electronic health system, and preventive quality measures and these practices may improve their patients' breast cancer screening rate. Using medical record data of 8,347 women patients aged 50-74 years from eight rural ACO clinics in Nebraska, this study examined patient-, provider-, and county-level barriers and facilitators for breast cancer screening...
August 31, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28857625/ats-core-curriculum-2017-part-iv-adult-pulmonary-medicine
#14
Gaëtane C Michaud, Colleen L Channick, Caralee Caplan-Shaw, Jonathan M Iaccarino, Christopher G Slatore, Brett Bade, Nichole Tanner, Catherine Robitaille, Anne V Gonzalez, Eric Goudie, Moishe Liberman, Deepankar Sharma, Samira Shojaee, Christopher M Merrick, Fabien Maldonado, Quyen L Nguyen, Belinda Rivera-Lebron, Jason T Poston
No abstract text is available yet for this article.
August 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28830571/anti-herv-k-hml-2-capsid-antibody-responses-in-hiv-elite-controllers
#15
Miguel de Mulder, Devi SenGupta, Steven G Deeks, Jeffrey N Martin, Christopher D Pilcher, Frederick M Hecht, Jonah B Sacha, Douglas F Nixon, Henri-Alexandre Michaud
BACKGROUND: Human endogenous retroviruses (HERVs) comprise approximately 8% of the human genome and while the majority are transcriptionally silent, the most recently integrated HERV, HERV-K (HML-2), remains active. During HIV infection, HERV-K (HML-2) specific mRNA transcripts and viral proteins can be detected. In this study, we aimed to understand the antibody response against HERV-K (HML-2) Gag in the context of HIV-1 infection. RESULTS: We developed an ELISA assay using either recombinant protein or 164 redundant "15mer" HERV-K (HML-2) Gag peptides to test sera for antibody reactivity...
August 22, 2017: Retrovirology
https://www.readbyqxmd.com/read/28815750/title-learning-theories-and-tools-for-the-assessment-of-core-nursing-competencies-in-simulation-a-theoretical-review
#16
REVIEW
Patrick Lavoie, Cécile Michaud, Marilou Bélisle, Louise Boyer, Émilie Gosselin, Myrian Grondin, Caroline Larue, Stéphan Lavoie, Jacinthe Pepin
AIM: To identify the theories used to explain learning in simulation and to examine how these theories guided the assessment of learning outcomes related to core competencies in undergraduate nursing students. BACKGROUND: Nurse educators face the challenge of making explicit the outcomes of competency-based education, especially when competencies are conceptualized as holistic and context-dependent. DESIGN: Theoretical review. DATA SOURCES: Research papers (N=182) published between 1999 - 2015 describing simulation in nursing education...
August 16, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28813965/cheap-or-robust-the-practical-realization-of-self-driving-wheelchair-technology
#17
Maya Burhanpurkar, Mathieu Labbe, Charlie Guan, Francois Michaud, Jonathan Kelly
To date, self-driving experimental wheelchair technologies have been either inexpensive or robust, but not both. Yet, in order to achieve real-world acceptance, both qualities are fundamentally essential. We present a unique approach to achieve inexpensive and robust autonomous and semi-autonomous assistive navigation for existing fielded wheelchairs, of which there are approximately 5 million units in Canada and United States alone. Our prototype wheelchair platform is capable of localization and mapping, as well as robust obstacle avoidance, using only a commodity RGB-D sensor and wheel odometry...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813919/adding-navigation-artificial-audition-and-vital-sign-monitoring-capabilities-to-a-telepresence-mobile-robot-for-remote-home-care-applications
#18
Sebastien Laniel, Dominic Letourneau, Mathieu Labbe, Francois Grondin, Janice Polgar, Francois Michaud
A telepresence mobile robot is a remote-controlled, wheeled device with wireless internet connectivity for bidirectional audio, video and data transmission. In health care, a telepresence robot could be used to have a clinician or a caregiver assist seniors in their homes without having to travel to these locations. Many mobile telepresence robotic platforms have recently been introduced on the market, bringing mobility to telecommunication and vital sign monitoring at reasonable costs. What is missing for making them effective remote telepresence systems for home care assistance are capabilities specifically needed to assist the remote operator in controlling the robot and perceiving the environment through the robot's sensors or, in other words, minimizing cognitive load and maximizing situation awareness...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28797677/emergence-of-atrioventricular-nodal-reentry-tachycardia-after-surgical-or-catheter-ablation-for-atrial-fibrillation-are-we-creating-the-arrhythmia-substrate
#19
Jorge Romero, Saurabh Kumar, Fujii Akira, David F Briceño, Usha B Tedrow, Laurence Epstein, Roy John, William G Stevenson, Gregory F Michaud
BACKGROUND: Atrioventricular nodal reentry tachycardia (AVNRT) is common in adults and often involves reentry through ≥2 atrioventricular nodal-atrial connections. Although AVNRT can be a trigger for atrial fibrillation (AF), we have observed new-onset AVNRT after AF ablation procedures. OBJECTIVE: The purpose of this study was to determine whether ablation involving the septum or proximal coronary sinus (CS) during AF ablation may create a substrate favorable for AVNRT...
August 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28772589/textural-structural-and-biological-evaluation-of-hydroxyapatite-doped-with-zinc-at-low-concentrations
#20
Daniela Predoi, Simona Liliana Iconaru, Aurélien Deniaud, Mireille Chevallet, Isabelle Michaud-Soret, Nicolas Buton, Alina Mihaela Prodan
The present work was focused on the synthesis and characterization of hydroxyapatite doped with low concentrations of zinc (Zn:HAp) (0.01 < xZn < 0.05). The incorporation of low concentrations of Zn(2+) ions in the hydroxyapatite (HAp) structure was achieved by co-precipitation method. The physico-chemical properties of the samples were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), Scanning Electron Microscopy (SEM), zeta-potential, and DLS and N₂-BET measurements...
February 25, 2017: Materials
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