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https://www.readbyqxmd.com/read/28548527/liquid-droplets-act-as-compass-needles-for-the-stresses-in-a-deformable-membrane
#1
Rafael D Schulman, René Ledesma-Alonso, Thomas Salez, Elie Raphaël, Kari Dalnoki-Veress
We examine the shape of droplets atop deformable thin elastomeric films prepared with an anisotropic tension. As the droplets generate a deformation in the taut film through capillary forces, they assume a shape that is elongated along the high tension direction. By measuring the contact line profile, the tension in the membrane can be completely determined. Minimal theoretical arguments lead to predictions for the droplet shape and membrane deformation that are in excellent agreement with the data. On the whole, the results demonstrate that droplets can be used as probes to map out the stress field in a membrane...
May 12, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28547946/ccr7-and-cxcr4-expression-in-primary-head-and-neck-squamous-cell-carcinomas-and-nodal-metastases-%C3%A2-a-clinical-and-immunohistochemical-study
#2
Maya Al-Jokhadar, Ahmad Al-Mandily, Khaled Zaid, Elie Azar Maalouf
Background: Squamous cell carcinomas (SCCs) are common head and neck malignancies demonstrating lymph node LN involvement. Recently chemokine receptor overxpression has been reported in many cancers. Of particular interest, CCR7 appears to be a strong mediator of LN metastases, while CXCR4 may mediate distant metastases. Any relations between their expression in primary HNSCCs and metastatic lymph nodes need to be clarified. Aims: To investigate CCR7 andCXCR4 expression in primary HNSCCs of all tumor sizes, clinical stages and histological grades, as well as involved lymph nodes, then make comparisons, also with control normal oral epithelium...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28546993/nationwide-genetic-analysis-for-molecularly-unresolved-cystic-fibrosis-patients-in-a-multiethnic-society-implications-for-preconception-carrier-screening
#3
Doron M Behar, Ori Inbar, Michal Shteinberg, Michal Gur, Huda Mussaffi, David Shoseyov, Moshe Ashkenazi, Soliman Alkrinawi, Concetta Bormans, Fahed Hakim, Meir Mei-Zahav, Malena Cohen-Cymberknoh, Adi Dagan, Dario Prais, Ifat Sarouk, Patrick Stafler, Bat El Bar Aluma, Gidon Akler, Elie Picard, Micha Aviram, Ori Efrati, Galit Livnat, Joseph Rivlin, Lea Bentur, Hannah Blau, Eitan Kerem, Amihood Singer
BACKGROUND: Preconception carrier screening for cystic fibrosis (CF) is usually performed using ethnically targeted panels of selected mutations. This has been recently challenged by the use of expanded, ethnically indifferent, pan-population panels. Israel is characterized by genetically heterogeneous populations carrying a wide range of CFTR mutations. To assess the potential of expanding the current Israeli preconception screening program, we sought the subset of molecularly unresolved CF patients listed in the Israeli CF data registry comprising ~650 patients...
May 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28546266/health-related-quality-of-life-and-risk-factors-associated-with-spirometric-restriction
#4
Stefano Guerra, Anne-Elie Carsin, Dirk Keidel, Jordi Sunyer, Bénédicte Leynaert, Christer Janson, Debbie Jarvis, Daiana Stolz, Thomas Rothe, Marco Pons, Alexander Turk, Josep M Anto, Nicole Probst-Hensch
The restrictive spirometric pattern is associated with a substantial morbidity and mortality burden. We sought to determine to what extent spirometric restriction is associated with impaired quality of life.We used data from two large population-based European cohorts: 6698 European Community Respiratory Health Survey (ECRHS) and 6069 Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA) adult participants. The restrictive pattern was defined as forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) ≥lower limit of normal (LLN) and FVC <LLN; an obstructive pattern was defined as FEV1/FVC <LLN independent of FVC...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28545072/effect-of-vitamin-d-on-endothelial-progenitor-cells-function
#5
Yoav Hammer, Alissa Soudry, Amos Levi, Yeela Talmor-Barkan, Dorit Leshem-Lev, Joel Singer, Ran Kornowski, Eli I Lev
BACKGROUND: Endothelial progenitor cells (EPCs) are a population of bone marrow-derived cells, which have an important role in the process of endothelialization and vascular repair following injury. Impairment of EPCs, which occurs in patients with diabetes, was shown to be related to endothelial dysfunction, coronary artery disease (CAD) and adverse clinical outcomes. Recent evidence has shown that calcitriol, the active hormone of vitamin D, has a favorable impact on the endothelium and cardiovascular system...
2017: PloS One
https://www.readbyqxmd.com/read/28544617/defect-laden-mose2-quantum-dots-made-by-turbulent-shear-mixing-as-enhanced-electrocatalysts
#6
Chongyang Zhu, Yuan Huang, Feng Xu, Peng Gao, Binghui Ge, Jing Chen, Haibo Zeng, Eli Sutter, Peter Sutter, Litao Sun
A high density of edge sites and other defects can significantly improve the catalytic activity of layered 2D materials. Herein, this study demonstrates a novel top-down strategy to maximize catalytic edge sites of MoSe2 by breaking up bulk MoSe2 into quantum dots (QDs) via "turbulent shear mixing" (TSM). The ultrasmall size of the MoSe2 QDs provides a high fraction of atoms in reactive edge sites, thus significantly improving the catalytic activities. The violent TSM further introduces abundant defects as additional active sites for electrocatalytic reactions...
May 24, 2017: Small
https://www.readbyqxmd.com/read/28543917/a-novel-pgm3-mutation-is-associated-with-a-severe-phenotype-of-bone-marrow-failure-severe-combined-immunodeficiency-skeletal-dysplasia-and-congenital-malformations
#7
Guillermo Pacheco-Cuéllar, Julie Gauthier, Valérie Désilets, Christian Lachance, Marlène Lemire-Girard, Françoise Rypens, Françoise Le Deist, Hélène Decaluwe, Michel Duval, Dorothée Bauron Dal Soglio, Victor Kokta, Élie Haddad, Philippe M Campeau
Congenital disorders of glycosylation (CDGs) affect multiple systems and present a broad spectrum of clinical features, often including skeletal dysplasia and exome sequencing has led to the identification of new CDG genes . Immune and skeletal phenotypes associated with mutations in PGM3, encoding a protein which converts N-acetyl-glucosamine-6-phosphate into N-acetyl-glucosamine-1-phosphate, were recently reported. Through exome sequencing, we identified a novel homozygous mutation (c.1219T > C; p...
May 22, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28540733/hiv-risk-prevalence-and-access-to-care-among-men-who-have-sex-with-men-in-lebanon
#8
Robert Heimer, Russell Barbour, Danielle Khoury, Forrest W Crawford, Fatma Mohamed Shebl, Elie Aaraj, Kaveh Khoshnood
OBJECTIVE: Little is known about HIV prevalence and risk among men who have sex with men in much of the Middle East, including Lebanon. Recent national level surveillance has suggested an increase in HIV prevalence concentrated among men in Lebanon. We undertook a biobehavioral study to provide direct evidence for the spread of HIV. DESIGN: . MSM were recruited by respondent driven sampling, interviewed, and offered HIV testing anonymously at sites located in Beirut, Lebanon from October 2014 through February 2015...
May 25, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28540414/bone-substitutes-in-adolescent-idiopathic-scoliosis-surgery-using-sublaminar-bands-is-it-useful-a-case-control-study
#9
Sebastien Pesenti, Soufiane Ghailane, Jeffrey J Varghese, Matthieu Ollivier, Emilie Peltier, Elie Choufani, Gerard Bollini, Benjamin Blondel, Jean-Luc Jouve
INTRODUCTION: In order to avoid pseudarthrosis in adolescent idiopathic (AIS) patients, it is recommended to bring additional bone graft or substitute. Modern rigid instrumentations have been shown to provide less pseudarthroses even without bone substitutes. The aim of our study was to determine the impact of using bones substitutes on fusion rates in adolescent idiopathic scoliosis patients undergoing PSF with sublaminar bands. METHOD: AIS patients scheduled to undergo PSF with sublaminar bands were prospectively enrolled into this study and not given any bone substitutes (no-substitute group)...
May 24, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28540148/clinical-and-microbiological-characteristics-of-bacteroides-prosthetic-joint-infections
#10
Neel Shah, Douglas Osmon, Aaron J Tande, James Steckelberg, Rafael Sierra, Randall Walker, Elie F Berbari
Clinical and microbiological characteristics of patients with Bacteroides prosthetic joint infection (PJI) have not been well described in the literature. The aim of this retrospective cohort study was to assess the outcome of patients with Bacteroides PJI and to review risk factors associated with failure of therapy. Between 1/1969 and 12/2012, 20 episodes of Bacteroides PJI in 17 patients were identified at our institution. The mean age of the patients in this cohort at the time of diagnosis was 55.6 years; 59% (n=10) had knee involvement...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28538811/patient-survival-and-risk-of-death-after-prostate-cancer-treatment-in-the-brazilian-unified-health-system
#11
Sonia Faria Mendes Braga, Mirian Carvalho de Souza, Raphael Romie de Oliveira, Eli Iola Gurgel Andrade, Francisco de Assis Acurcio, Mariangela Leal Cherchiglia
OBJECTIVE: Analyze the probability of specific survival and factors associated with the risk of death of patients with prostate cancer who received outpatient cancer treatment in the Brazilian Unified Health System, Brazil. METHODS: Retrospective cohort study using the National Database of Oncology, developed through the deterministic-probabilistic pairing of health information systems: outpatient (SIA), hospital (SIH) and mortality (SIM). The probability of overall and specific survival was estimated by the time elapsed between the date of the first ambulatory treatment, from 2002 to 2003, until the patient's death or the end of the study...
May 15, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28538212/a-global-comparison-of-the-cost-of-patented-cancer-drugs-in-relation-to-global-differences-in-wealth
#12
Daniel A Goldstein, Jonathon Clark, Yifan Tu, Jie Zhang, Fenqi Fang, Robert Goldstein, Salomon M Stemmer, Eli Rosenbaum
INTRODUCTION: There are major differences in cancer drug prices around the world. However, the patterns of affordability of these drugs are poorly understood. The objective of this study was to compare patterns of affordability of cancer drugs in Australia, China, India, Israel, South Africa, the United Kingdom, and the United States. RESULTS: Cancer drug prices are highest in the United States. Cancer drugs are the least affordable in India by a large margin. Despite lower prices than in the USA, cancer drugs are less affordable in middle-income countries than in high-income countries...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537832/conflict-of-interest-in-medicine-plausible-deniability
#13
Eli Y Adashi
No abstract text is available yet for this article.
June 2017: American Journal of Bioethics: AJOB
https://www.readbyqxmd.com/read/28537430/multifaceted-roles-of-glutathione-and-glutathione-based-systems-in-carcinogenesis-and-anticancer-drug-resistance
#14
Elie Hatem, Nadine El Banna, Meng-Er Huang
SIGNIFICANCE: Glutathione is the most abundant antioxidant molecule in living organisms and has multiple functions. Intracellular glutathione homeostasis, through its synthesis, consumption, and degradation is an intricately balanced process. Glutathione levels are often high in tumor cells prior to treatment and there is a strong correlation between elevated levels of intracellular glutathione/sustained glutathione-mediated redox activity and resistance to pro-oxidant anticancer therapy...
May 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28537262/induction-of-resident-memory-t-cells-enhances-the-efficacy-of-cancer-vaccine
#15
Mevyn Nizard, Hélène Roussel, Mariana O Diniz, Soumaya Karaki, Thi Tran, Thibault Voron, Estelle Dransart, Federico Sandoval, Marc Riquet, Bastien Rance, Elie Marcheteau, Elizabeth Fabre, Marion Mandavit, Magali Terme, Charlotte Blanc, Jean-Baptiste Escudie, Laure Gibault, Françoise Le Pimpec Barthes, Clemence Granier, Luis C S Ferreira, Cecile Badoual, Ludger Johannes, Eric Tartour
Tissue-resident memory T cells (Trm) represent a new subset of long-lived memory T cells that remain in tissue and do not recirculate. Although they are considered as early immune effectors in infectious diseases, their role in cancer immunosurveillance remains unknown. In a preclinical model of head and neck cancer, we show that intranasal vaccination with a mucosal vector, the B subunit of Shiga toxin, induces local Trm and inhibits tumour growth. As Trm do not recirculate, we demonstrate their crucial role in the efficacy of cancer vaccine with parabiosis experiments...
May 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28536087/workflow-sensitivity-of-post-processing-methods-in-renal-dce-mri
#16
Erik Hanson, Eli Eikefjord, Jarle Rørvik, Erling Andersen, Arvid Lundervold, Erlend Hodneland
OBJECTIVE: Estimation of renal filtration using dynamic contrast-enhanced imaging (DCE-MRI) requires a series of analysis steps. The possible number of distinct post-processing chains is large and grows rapidly with increasing number of processing steps or options. In this study we introduce a framework for systematic evaluation of the post-processing chains. The framework is later used to highlight the workflow processing chain sensitivity towards accuracy in estimation of glomerular filtration rate (GFR)...
May 20, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28535802/n-blr-a-primate-specific-non-coding-transcript-leads-to-colorectal-cancer-invasion-and-migration
#17
Isidore Rigoutsos, Sang Kil Lee, Su Youn Nam, Simone Anfossi, Barbara Pasculli, Martin Pichler, Yi Jing, Cristian Rodriguez-Aguayo, Aristeidis G Telonis, Simona Rossi, Cristina Ivan, Tina Catela Ivkovic, Linda Fabris, Peter M Clark, Hui Ling, Masayoshi Shimizu, Roxana S Redis, Maitri Y Shah, Xinna Zhang, Yoshinaga Okugawa, Eun Jung Jung, Aristotelis Tsirigos, Li Huang, Jana Ferdin, Roberta Gafà, Riccardo Spizzo, Milena S Nicoloso, Anurag N Paranjape, Maryam Shariati, Aida Tiron, Jen Jen Yeh, Raul Teruel-Montoya, Lianchun Xiao, Sonia A Melo, David Menter, Zhi-Qin Jiang, Elsa R Flores, Massimo Negrini, Ajay Goel, Menashe Bar-Eli, Sendurai A Mani, Chang Gong Liu, Gabriel Lopez-Berestein, Ioana Berindan-Neagoe, Manel Esteller, Scott Kopetz, Giovanni Lanza, George A Calin
BACKGROUND: Non-coding RNAs have been drawing increasing attention in recent years as functional data suggest that they play important roles in key cellular processes. N-BLR is a primate-specific long non-coding RNA that modulates the epithelial-to-mesenchymal transition, facilitates cell migration, and increases colorectal cancer invasion. RESULTS: We performed multivariate analyses of data from two independent cohorts of colorectal cancer patients and show that the abundance of N-BLR is associated with tumor stage, invasion potential, and overall patient survival...
May 24, 2017: Genome Biology
https://www.readbyqxmd.com/read/28535318/allopathic-and-osteopathic-medicine-unify-gme-accreditation-a-historic-convergence
#18
Abdul-Kareem H Ahmed, Peter F Schnatz, Eli Y Adashi
In 1968, the American Medical Association resolved to accept qualified graduates of osteopathic medical schools into its accredited Graduate Medical Education (GME) programs. An equally momentous decision was arrived at in 2014 when the Accreditation Council for Graduate Medical Education (ACGME), the American Osteopathic Association (AOA), and the American Association of Colleges of Osteopathic Medicine (AACOM) resolved to institute a single unified GME accreditation system by July 1, 2020. As envisioned, the unified accreditation system will all but assure system-wide consistency of purpose and practice in anticipation of the Next Accreditation System (NAS) of the ACGME...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28533965/reappraisal-of-the-extinct-seal-phoca-vitulinoides-from-the-neogene-of-the-north-sea-basin-with-bearing-on-its-geological-age-phylogenetic-affinities-and-locomotion
#19
Leonard Dewaele, Eli Amson, Olivier Lambert, Stephen Louwye
BACKGROUND: Discovered on the southern margin of the North Sea Basin, "Phoca" vitulinoides represents one of the best-known extinct species of Phocidae. However, little attention has been given to the species ever since its original 19th century description. Newly discovered material, including the most complete specimen of fossil Phocidae from the North Sea Basin, prompted the redescription of the species. Also, the type material of "Phoca" vitulinoides is lost. METHODS: "Phoca" vitulinoides is redescribed...
2017: PeerJ
https://www.readbyqxmd.com/read/28531175/weekly-high-dose-liposomal-amphotericin-b-l-amb-in-critically-ill-septic-patients-with-multiple-candida-colonization-the-ambidex-study
#20
Elie Azoulay, Jean-François Timsit, Alexandre Lautrette, Stephane Legriel, Adeline Max, Stephane Ruckly, Benoit Misset, Yves Cohen, Michel Wolff
BACKGROUND: To demonstrate the feasibility and safety of weekly high-dose liposomal amphotericin B (L-AmB) (as a pre-emptive antifungal treatment) for 2 weeks in patients with septic shock and Candida colonization. METHODS: Pilot, multicentre, open-label, prospective study conducted in seven French ICUs. Non-immunocompromised patients, receiving mechanical ventilation were eligible if they presented ICU-acquired severe sepsis requiring newly administered antibacterial agents and Candida colonization in at least two sites...
2017: PloS One
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