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https://www.readbyqxmd.com/read/28433848/instrumented-circumferential-fusion-in-two-stages-for-instable-lumbar-fracture-long-term-results-of-a-series-of-74-patients-on-sagittal-balance-and-functional-outcomes
#1
Mourad Ould-Slimane, Camille Damade, Guillaume Lonjon, André Gilibert, Jérôme Cochereau, Rémi Gauthé, Nicolas Lonjon
AIM: To report the radiological and functional results of a multicentre, prospective case series of patients with comminuted lumbar fractures treated with two-stage circumferential arthrodesis. METHODS: A multicentre, prospective case series of 74 patients with comminuted lumbar fractures was analyzed. The strategy entailed initial posterior osteosynthesis then physical replacement with an expandable titanium cage filled with autologous bone, via retroperitoneal lumbotomy...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28431346/caged-gammarus-as-biomonitors-identifying-thresholds-of-toxic-metal-bioavailability-that-affect-gammarid-densities-at-the-french-national-scale
#2
Alexandre Ciliberti, Arnaud Chaumot, Rémi Recoura-Massaquant, André Chandesris, Adeline François, Marina Coquery, Martial Ferréol, Olivier Geffard
Bioaccumulated concentrations of toxic elements in biomonitor invertebrate species have already been used to successfully link metal bioavailability and impairments of stream macroinvertebrate communities at the scale of the watershed. However, implementing this empirical comparative approach at a greater spatial scale remains a challenge due to the diversity of biogeographical contexts encompassed by regional and national scales. We showed in previous studies that the use of standard organisms caged permits the use of a common biomonitor over a far greater geographical range, while limiting the influence of confounding factors on levels of bioavailable contamination...
April 17, 2017: Water Research
https://www.readbyqxmd.com/read/28430166/-french-phage-network-second-meeting-report
#3
Clara Torres-Barceló, Oliver Kaltz, Rémy Froissart, Sylvain Gandon, Nicolas Ginet, Mireille Ansaldi
The study of bacteriophages (viruses of bacteria) includes a variety of approaches, such as structural biology, genetics, ecology, and evolution, with increasingly important implications for therapeutic and industrial uses. Researchers working with phages in France have recently established a network to facilitate the exchange on complementary approaches, but also to engage new collaborations. Here, we provide a summary of the topics presented during the second meeting of the French Phage Network that took place in Marseille in November 2016...
April 21, 2017: Viruses
https://www.readbyqxmd.com/read/28427513/polymerase-proofreading-domain-mutations-new-opportunities-for-immunotherapy-in-hypermutated-colorectal-cancer-beyond-mmr-deficiency
#4
REVIEW
Rémi Bourdais, Benoît Rousseau, Anaïs Pujals, Helene Boussion, Charlotte Joly, Aude Guillemin, Isabelle Baumgaertner, Cindy Neuzillet, Christophe Tournigand
Immune checkpoint inhibition is a new therapeutic strategy that has shown promising efficacy in many cancer types. Significant activity associated with mismatch repair (MMR) deficiency has been observed in hypermutated, microsatellite unstable (MSI) metastatic colorectal cancer (CRC). Beyond deficient-MMR tumors, somatic or germline DNA polymerase D1 (POLD1) or DNA polymerase E (POLE) alterations cause a hypermutated phenotype in CRC. This recently identified and rare subgroup of proficient-MMR tumors may also benefit from immunotherapy...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28425582/personality-immune-response-and-reproductive-success-an-appraisal-of-the-pace-of-life-syndrome-hypothesis
#5
Karine Monceau, François-Xavier Dechaume-Moncharmont, Jérôme Moreau, Camille Lucas, Rémi Capoduro, Sébastien Motreuil, Yannick Moret
The pace-of-life syndrome (POLS) hypothesis is an extended concept of the life history theory that includes behavioural traits. The studies challenging the POLS hypothesis often focus on the relationships between a single personality trait and a physiological and/or life history traits. While pathogens represent a major selective pressure, few studies have been interested in testing relationships between behavioural syndrome, and several fitness components including immunity. The aim of this study is to address this question in the mealworm beetle, Tenebrio molitor, a model species in immunity studies...
April 20, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28424422/limited-impact-of-intratumour-heterogeneity-on-molecular-risk-assignment-in-endometrial-cancer
#6
Manouk van Esterik, Inge C Van Gool, Cor D de Kroon, Remi A Nout, Carien L Creutzberg, Vincent T H B M Smit, Tjalling Bosse, Ellen Stelloo
INTRODUCTION: Individual prediction of tumour behaviour based on molecular markers may refine adjuvant treatment strategies in endometrial cancer (EC). As these molecular alterations are determined in a small tumour fraction, high intratumour heterogeneity may interfere with correct risk prediction. This study aimed to investigate to which extent intratumour heterogeneity exists for molecular markers and whether it affects the molecular risk assignment in EC. METHODS: Forty-nine ECs (three tumour blocks/case) were selected with alterations in POLE (n=10), CTNNB1 (n=8), p53 (n=10), mismatch repair (n=11), L1CAM (n=10), and ECs without any of these markers (n=9)...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424278/detection-of-hpv-subtypes-by-mass-spectrometry-in-ffpe-tissue-specimens-a-reliable-tool-for-routine-diagnostics
#7
Mark Kriegsmann, Petra Wandernoth, Katharina Lisenko, Rita Casadonte, Rémi Longuespée, Norbert Arens, Jörg Kriegsmann
AIMS: Human papilloma virus (HPV) infection is a causative agent for approximately 5% of all new cancer cases in humans. The virus is detected in cervical, anal, vaginal, penile, vulvar and head and neck cancers and has prognostic implications. Thus, test systems are required to detect high-risk but also low-risk HPV subtypes with high specificity and sensitivity in a time-effective and cost-effective manner. In the present study we developed a new mass spectrometry (MS)-based test system for the detection of HPV infections in formalin-fixed paraffin-embedded (FFPE) tissue samples...
May 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28423535/overall-survival-with-crizotinib-and-next-generation-alk-inhibitors-in-alk-positive-non-small-cell-lung-cancer-ifct-1302-clinalk-a-french-nationwide-cohort-retrospective-study
#8
Michaël Duruisseaux, Benjamin Besse, Jacques Cadranel, Maurice Pérol, Bertrand Mennecier, Laurence Bigay-Game, Renaud Descourt, Eric Dansin, Clarisse Audigier-Valette, Lionel Moreau, José Hureaux, Remi Veillon, Josiane Otto, Anne Madroszyk-Flandin, Alexis Cortot, François Guichard, Pascaline Boudou-Rouquette, Alexandra Langlais, Pascale Missy, Franck Morin, Denis Moro-Sibilot
Overall survival (OS) with the anaplastic lymphoma kinase (ALK) inhibitor (ALKi) crizotinib in a large population of unselected patients with ALK-positive non-small-cell lung cancer (NSCLC) is not documented. We sought to assess OS with crizotinib in unselected ALK-positive NSCLC patients and whether post-progression systemic treatments affect survival outcomes.ALK-positive NSCLC patients receiving crizotinib in French expanded access programs or as approved drug were enrolled. We collected clinical and survival data, RECIST-defined progressive disease (PD) and post-PD systemic treatment efficacy...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422130/assessment-of-metabolic-phenotypic-variability-in-children-s-urine-using-1-h-nmr-spectroscopy
#9
Léa Maitre, Chung-Ho E Lau, Esther Vizcaino, Oliver Robinson, Maribel Casas, Alexandros P Siskos, Elizabeth J Want, Toby Athersuch, Remy Slama, Martine Vrijheid, Hector C Keun, Muireann Coen
The application of metabolic phenotyping in clinical and epidemiological studies is limited by a poor understanding of inter-individual, intra-individual and temporal variability in metabolic phenotypes. Using (1)H NMR spectroscopy we characterised short-term variability in urinary metabolites measured from 20 children aged 8-9 years old. Daily spot morning, night-time and pooled (50:50 morning and night-time) urine samples across six days (18 samples per child) were analysed, and 44 metabolites quantified...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28420480/comparative-analysis-of-granulosa-cell-gene-expression-in-association-with-oocyte-competence-in-fsh-stimulated-holstein-cows
#10
David A Landry, Chloé Fortin, Anne-Marie Bellefleur, Rémi Labrecque, François-Xavier Grand, Christian Vigneault, Patrick Blondin, Marc-André Sirard
Ovarian stimulation with exogenous FSH followed by FSH withdrawal or 'coasting' is an effective means of increasing the number of oocytes obtainable for the in vitro production of cattle embryos. However, the quality of the oocytes thus obtained varies considerably from one cow to the next. The aim of the present study was to gain a better understanding of the follicular conditions associated with low oocyte developmental competence. Granulosa cells from 94 Holstein cows in a commercial embryo production facility were collected following ovarian stimulation and coasting...
April 19, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28418808/effects-of-maternal-supplementation-with-omega-3-precursors-on-human-milk-composition
#11
Evelyne Mazurier, Virginie Rigourd, Paul Perez, Rachel Buffin, Leslie Couedelo, Carole Vaysse, Wafae Belcadi, Rémi Sitta, Fabienne Nacka, Delphine Lamireau, Gilles Cambonie, Jean-Charles Picaud, Claude Billeaud
BACKGROUND: Long-chain polyunsaturated fatty acids (LC-PUFAs) are important for newborn neurosensory development. Supplementation of breastfeeding mothers' diets with omega-3 PUFAs, such as alpha-linolenic acid (ALA), may increase their concentration in human milk. Research aim: This study aimed to assess human milk composition after 15-day supplementation regimens containing either omega-3 PUFAs or olive oil, which does not provide ALA. METHODS: A multicenter factorial randomized trial was conducted with four groups of breastfeeding women, with each group containing 19 to 22 women...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28416471/chemotherapy-resistant-human-acute-myeloid-leukemia-cells-are-not-enriched-for-leukemic-stem-cells-but-require-oxidative-metabolism
#12
Thomas Farge, Estelle Saland, Fabienne de Toni, Nesrine Aroua, Moshen Hosseini, Robin Perry, Claudie Bosc, Mayumi Sugita, Lucille Stuani, Marine Fraisse, Sarah Scotland, Clément Larrue, Héléna Boutzen, Virginie Féliu, Marie-Laure Nicolau-Travers, Stephanie Cassant-Sourdy, Nicolas Broin, Marion David, Nizar Serhan, Audrey Sarry, Suzanne Tavitian, Tony Kaoma, Laurent Vallar, Jason Iacovoni, Laetitia K Linares, Camille Montersino, Remy Castellano, Emmanuel Griessinger, Yves Collette, Olivier Duchamp, Yara Barreira, Pierre Hirsch, Tony Palama, Lara Gales, Francois Delhommeau, Barbara H Garmy-Susini, Jean-Charles Portais, Francois Vergez, Mary Selak, Gwenn Danet-Desnoyers, Martin Carroll, Christian Récher, Jean Emmanuel Sarry
Chemotherapy-resistant human acute myeloid leukemia (AML) cells are thought to be enriched in quiescent immature leukemic stem cells (LSCs). To validate this hypothesis in vivo, we developed a clinically relevant chemotherapeutic approach treating patient-derived xenograft (PDX) with cytarabine. Cytarabine residual AML cells are enriched neither in immature, quiescent cells nor LSCs. Strikingly, cytarabine-resistant pre-existing and persisting cells displayed high levels of reactive oxygen species, showed increased mitochondrial mass, and retained active polarized mitochondria, consistent with a high oxidative phosphorylation (OXPHOS) status...
April 17, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28414695/imaging-criteria-to-predict-surgical-difficulties-during-stapes-surgery
#13
Claire Parra, Stéphanie Trunet, Benjamin Granger, Yann Nguyen, Georges Lamas, Daniele Bernardeschi, Rémi Hervochon, Frédéric Tankere
BACKGROUND AND PURPOSE: Stapes surgery for otosclerosis can be challenging if access to the oval window niche is restricted. The aim of this study was to determine the accuracy of the computed tomographic (CT) scan in the evaluation of anatomical distances, and to analyze its reliability in predicting surgical technical difficulties. MATERIAL AND METHODS: A total of 96 patients (101 ears) were enrolled in a prospective study between 2012 and May 2015. During surgery, we evaluated the distance D1 between the stapes and the facial nerve, distance D2 between the promontory and the facial nerve after ablation of the superstructure, and the intraoperative discomfort of the surgeon...
April 13, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28414691/mr-proadm-elevation-upon-icu-admission-predicts-the-outcome-of-septic-patients-and-is-correlated-with-upcoming-fluid-overload
#14
Pierre-Emmanuel Charles, Edwige Péju, Allyriane Dantec, Rémi Bruyère, Nicolas Meunier-Beillard, Auguste Dargent, Sébastien Prin, Darius Wilson, Jean-Pierre Quenot
BACKGROUND: Among septic patients admitted to the intensive care unit (ICU), early recognition of those with the highest risk of death is of paramount importance. We evaluated the prognostic value of Procalcitonin (PCT), mid regional-proadrenomedullin (MR-proADM), copeptine and CT-proendothelin 1 (CT-ProET 1) concentrations. METHODS: This was a prospective cohort study, which included 173 septic patient admitted to one ICU. Blood samples for biomarker measurements were obtained upon admission and on day 5...
April 14, 2017: Shock
https://www.readbyqxmd.com/read/28410781/virtual-screen-to-nmr-vs2nmr-discovery-of-fragment-hits-for-the-cbp-bromodomain
#15
Dimitrios Spiliotopoulos, Jian Zhu, Eike-Christian Wamhoff, Nicholas Deerain, Jean-Rémy Marchand, Jonas Aretz, Christoph Rademacher, Amedeo Caflisch
Overexpression of the CREB-binding protein (CBP), a bromodomain-containing transcription coactivator involved in a variety of cellular processes, has been observed in several types of cancer with a correlation to aggressiveness. We have screened a library of nearly 1500 fragments by high-throughput docking into the CBP bromodomain followed by binding energy evaluation using a force field with electrostatic solvation. Twenty of the 39 fragments selected by virtual screening are positive in one or more ligand-observed nuclear magnetic resonance (NMR) experiments...
April 4, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28410347/accuracy-of-zero-heat-flux-cutaneous-temperature-in-intensive-care-adults
#16
Claire Dahyot-Fizelier, Solène Lamarche, Thomas Kerforne, Thierry Bénard, Benoit Giraud, Rémy Bellier, Elsa Carise, Denis Frasca, Olivier Mimoz
OBJECTIVES: To compare accuracy of a continuous noninvasive cutaneous temperature using zero-heat-flux method to esophageal temperature and arterial temperature. DESIGN: Prospective study. SETTING: ICU and NeuroICU, University Hospital. PATIENTS: Fifty-two ICU patients over a 4-month period who required continuous temperature monitoring were included in the study, after informed consent. INTERVENTIONS: All patients had esophageal temperature probe and a noninvasive cutaneous device to monitor their core temperature continuously...
April 13, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28409972/causality-nonlocality-and-negative-refraction
#17
Davide Forcella, Claire Prada, Rémi Carminati
The importance of spatial nonlocality in the description of negative refraction in electromagnetic materials has been put forward recently. We develop a theory of negative refraction in homogeneous and isotropic media, based on first principles, and that includes nonlocality in its full generality. The theory shows that both dissipation and spatial nonlocality are necessary conditions for the existence of negative refraction. It also provides a sufficient condition in materials with weak spatial nonlocality...
March 31, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28409012/enhancing-the-diagnosis-of-fabry-disease-in-cardiology-with-a-targeted-information-a-before-after-control-impact-study
#18
Anne-Louise Savary, Remy Morello, Carole Brasse-Lagnel, Paul Milliez, Soumeya Bekri, Fabien Labombarda
BACKGROUND: Cardiac complications in Fabry disease are frequent and dominated by a high frequency of left ventricular hypertrophy; therefore, cardiologists may have an essential role in screening for this disease. Providing cardiologists with targeted information on Fabry disease would be valuable and could reduce both diagnostic and therapeutic delays. The aim of this study was to evaluate the efficiency of such strategy for Fabry screening. METHODS: We conducted a before-after control-impact study by comparing observations made before and after targeted information on Fabry disease among cardiologists...
2017: Open Heart
https://www.readbyqxmd.com/read/28408273/preventing-medication-errors-in-anesthesia-and-critical-care-abbreviated-version
#19
Vincent Piriou, Alexandre Theissen, Ségolène Arzalier-Daret, Marie Marcel, Pierre Trouiller, Stéphanie Parat, Catherine Stamm, Rémy Collomp
No abstract text is available yet for this article.
April 10, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28408217/could-mobile-mammography-reduce-social-and-geographic-inequalities-in-breast-cancer-screening-participation
#20
Elodie Guillaume, Ludivine Launay, Olivier Dejardin, Véronique Bouvier, Lydia Guittet, Pauline Déan, Annick Notari, Rémy De Mil, Guy Launoy
Evaluation of mobile mammography for reducing social and geographic inequalities in breast cancer screening participation. We examined the responses to first invitations to undergo breast cancer screening from 2003 to 2012 in Orne, a French department. Half of the participants could choose between screening in a radiologist's office or a mobile mammography (MM) unit. We calculated the participation rate and individual participation model according to age group, deprivation quintile and distance. Among participants receiving an MM invitation, the preference was for MM...
April 10, 2017: Preventive Medicine
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