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https://www.readbyqxmd.com/read/28813234/cardiac-mr-strain-a-noninvasive-biomarker-of-fibrofatty-remodeling-of-the-left-atrial-myocardium
#1
Adrian T Huber, Jérôme Lamy, Amer Rahhal, Morgane Evin, Fabrice Atassi, Carine Defrance, Guillaume Lebreton, Karine Clément, Myriam Berthet, Richard Isnard, Pascal Leprince, Philippe Cluzel, Stéphane N Hatem, Nadjia Kachenoura, Alban Redheuil
Purpose To determine whether left atrial (LA) strain quantification with cardiac magnetic resonance (MR) imaging feature tracking is associated with the severity of LA fibrofatty myocardial remodeling at histologic analysis. Materials and Methods This prospective case-control study was approved by the institutional review board. LA strain was evaluated with cardiac MR feature tracking between January 2014 and March 2015 in 13 consecutive patients (mean age, 61 years ± 19; nine male) with mitral regurgitation in the 24 hours before mitral valve surgery and 13 age- and sex-matched healthy control subjects...
August 16, 2017: Radiology
https://www.readbyqxmd.com/read/28812896/free-energy-of-nucleation-and-interplay-between-size-and-composition-in-cuni-systems
#2
Solene Bechelli, Brittany Gonzalez, Vincent Piquet, Ilham Essafri, Caroline Desgranges, Jerome Delhommelle
Using molecular simulation, we shed light on the crystal nucleation process in systems of Cu, Ni and their nanoalloy. For each system, we simulate the formation of the crystal nucleus along the entire nucleation pathway and determine the free energy barrier overcome by the system to form a critical nucleus. Comparing the results obtained for the pure metals to those for the nanoalloy, we analyze the impact of alloying on the free energy of nucleation, as well as on the size and structure of the crystal nucleus...
August 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28812709/adaptation-to-deep-sea-chemosynthetic-environments-as-revealed-by-mussel-genomes
#3
Jin Sun, Yu Zhang, Ting Xu, Yang Zhang, Huawei Mu, Yanjie Zhang, Yi Lan, Christopher J Fields, Jerome Ho Lam Hui, Weipeng Zhang, Runsheng Li, Wenyan Nong, Fiona Ka Man Cheung, Jian-Wen Qiu, Pei-Yuan Qian
Hydrothermal vents and methane seeps are extreme deep-sea ecosystems that support dense populations of specialized macro-benthos such as mussels. But the lack of genome information hinders the understanding of the adaptation of these animals to such inhospitable environments. Here we report the genomes of a deep-sea vent/seep mussel (Bathymodiolus platifrons) and a shallow-water mussel (Modiolus philippinarum). Phylogenetic analysis shows that these mussel species diverged approximately 110.4 million years ago...
April 3, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811615/coherent-tunneling-in-an-algan-aln-gan-heterojunction-captured-through-an-analogy-with-a-mos-contact
#4
Yannick Baines, Julien Buckley, Jérôme Biscarrat, Gennie Garnier, Matthew Charles, William Vandendaele, Charlotte Gillot, Marc Plissonnier
Due to their wide band gaps, III-N materials can exhibit behaviors ranging from the semiconductor class to the dielectric class. Through an analogy between a Metal/AlGaN/AlN/GaN diode and a MOS contact, we make use of this dual nature and show a direct path to capture the energy band diagram of the nitride system. We then apply transparency calculations to describe the forward conduction regime of a III-N heterojunction diode and demonstrate it realizes a tunnel diode, in contrast to its regular Schottky Barrier Diode designation...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811519/high-resolution-mapping-based-on-an-unmanned-aerial-vehicle-uav-to-capture-paleoseismic-offsets-along-the-altyn-tagh-fault-china
#5
Mingxing Gao, Xiwei Xu, Yann Klinger, Jerome van der Woerd, Paul Tapponnier
The recent dramatic increase in millimeter- to centimeter- resolution topographic datasets obtained via multi-view photogrammetry raises the possibility of mapping detailed offset geomorphology and constraining the spatial characteristics of active faults. Here, for the first time, we applied this new method to acquire high-resolution imagery and generate topographic data along the Altyn Tagh fault, which is located in a remote high elevation area and shows preserved ancient earthquake surface ruptures. A digital elevation model (DEM) with a resolution of 0...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811341/the-u-s-culture-collection-network-responding-to-the-requirements-of-the-nagoya-protocol-on-access-and-benefit-sharing
#6
REVIEW
Kevin McCluskey, Katharine B Barker, Hazel A Barton, Kyria Boundy-Mills, Daniel R Brown, Jonathan A Coddington, Kevin Cook, Philippe Desmeth, David Geiser, Jessie A Glaeser, Stephanie Greene, Seogchan Kang, Michael W Lomas, Ulrich Melcher, Scott E Miller, David R Nobles, Kristina J Owens, Jerome H Reichman, Manuela da Silva, John Wertz, Cale Whitworth, David Smith
The U.S. Culture Collection Network held a meeting to share information about how culture collections are responding to the requirements of the recently enacted Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization to the Convention on Biological Diversity (CBD). The meeting included representatives of many culture collections and other biological collections, the U.S. Department of State, U.S. Department of Agriculture, Secretariat of the CBD, interested scientific societies, and collection groups, including Scientific Collections International and the Global Genome Biodiversity Network...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28811336/catastrophic-unbalanced-genome-rearrangements-cause-somatic-loss-of-berry-color-in-grapevine
#7
Pablo Carbonell-Bejerano, Carolina Royo, Rafael Torres-Pérez, Jérôme Grimplet, Lucie Fernandez, Jose M Franco-Zorrilla, Diego Lijavetzky, Elisa Baroja, Juana Martínez, Enrique García-Escudero, Javier Ibáñez, José M Martínez-Zapater
Grape color somatic variants that can be used to develop new grapevine cultivars occasionally appear associated to deletion events of uncertain origin. To understand the mutational mechanisms generating somatic structural variation in grapevine, we compared the Tempranillo Blanco (TB) white berry somatic variant to its black berry ancestor, Tempranillo Tinto. Whole-genome sequencing (WGS) uncovered a catastrophic genome rearrangement in TB that caused the hemizygous deletion of 313 genes, including the loss of the functional copy for the MYB transcription factors required for anthocyanin pigmentation in the berry skin...
August 15, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28810085/secondary-intention
#8
EDITORIAL
Jerome Freeman
No abstract text is available yet for this article.
February 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28808984/multiple-gas-phase-conformations-of-a-synthetic-linear-poly-acrylamide-polymer-observed-using-ion-mobility-mass-spectrometry
#9
Jean R N Haler, Johann Far, Abdelhafid Aqil, Jan Claereboudt, Nick Tomczyk, Kevin Giles, Christine Jérôme, Edwin De Pauw
Ion mobility-mass spectrometry (IM-MS) has emerged as a powerful separation and identification tool to characterize synthetic polymer mixtures and topologies (linear, cyclic, star-shaped,…). Electrospray coupled to IM-MS already revealed the coexistence of several charge state-dependent conformations for a single charge state of biomolecules with strong intramolecular interactions, even when limited resolving power IM-MS instruments were used. For synthetic polymers, the sample's polydispersity allows the observation of several chain lengths...
August 14, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28807561/mass-spectrometry-analysis-of-intact-francisella-bacteria-identifies-lipid-a-structure-remodeling-in-response-to-acidic-ph-stress
#10
Camille B Robert, Michael Thomson, Alain Vercellone, Francesca Gardner, Robert K Ernst, Gérald Larrouy-Maumus, Jérôme Nigou
Structural modification of lipid A, the lipid anchor of LPS, is one of the strategies used by Gram-negative bacteria to evade host innate immunity. Francisella tularensis is a human pathogen that infects and replicates within phagocytic cells. It produces an atypical lipid A, whose structure precludes an efficient recognition by both innate immune players, TLR4 and cationic antimicrobial peptides. Interestingly, a recent report indicates that the lipid A of Francisella (LVS vaccinal strain) undergoes polar modifications when bacteria are grown in human macrophages as compared to in broth...
August 11, 2017: Biochimie
https://www.readbyqxmd.com/read/28807460/metabolic-syndrome-cluster-does-not-provide-incremental-prognostic-information-in-patients-with-stable-cardiovascular-disease-a-post-hoc-analysis-of-the-aim-high-trial
#11
Radmila Lyubarova, Jennifer G Robinson, Michael Miller, Debra L Simmons, Ping Xu, Beth L Abramson, Marshall B Elam, Todd M Brown, Ruth McBride, Jerome L Fleg, Patrice Desvigne-Nickens, Woubeshet Ayenew, William E Boden
BACKGROUND: Metabolic syndrome (MS) is a well-known risk factor for the development of cardiovascular (CV) disease; yet, controversy persists whether it adds incremental prognostic value in patients with established CV disease. OBJECTIVES: This study was performed to determine if MS is associated with worse CV outcomes in patients with established CV disease treated intensively with statins. METHODS: We performed a post hoc analysis of the Atherothrombosis Intervention in Metabolic Syndrome with Low HDL/High Triglycerides and Impact on Global Health Outcomes trial, in which patients with established CV disease and atherogenic dyslipidemia (n = 3414) were randomly assigned to receive extended release niacin or placebo during a mean 36-month follow-up, to assess whether the presence of MS or the number of MS components contributed to CV outcomes...
July 5, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28806488/serotonergic-5-ht2b-receptors-in-mitral-valvulopathy-bone-marrow-mobilization-of-endothelial-progenitors
#12
Estelle Ayme-Dietrich, Roland Lawson, Francine Côté, Claudia de Tapia, Sylvia Da Silva, Claudine Ebel, Béatrice Hechler, Christian Gachet, Jérome Guyonnet, Hélène Rouillard, Jordane Stoltz, Emily Quentin, Sophie Banas, François Daubeuf, Nelly Frossard, Bernard Gasser, Jean-Philippe Mazzucotelli, Olivier Hermine, Luc Maroteaux, Laurent Monassier
BACKGROUND: Valvular heart disease is highly prevalent in industrialized countries. Chronic use of anorexigens, amphetamine or ergot derivatives targeting the serotonin system has been associated with valvular heart disease. PURPOSE AND EXPERIMENTAL APPROACH: Here, we investigated the contribution of serotonin receptors in a mouse model of valve degeneration induced by nordexfenfluramine, the main metabolite of the anorexigens dexfenfluramine and benfluorex. KEY RESULTS: Chronically activated 5-HT2B receptors by nordexfenfluramine in mice mimicked early steps of mitral valve remodelling attested by increased valve thickness, and cell density in a thick extracellular matrix...
August 14, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28806340/the-impact-of-comorbidities-in-the-aging-population-on-cochlear-implant-outcomes
#13
Brent Jerome Wilkerson, Sandra F Porps, Seilesh C Babu
OBJECTIVES: Cochlear implants have been used for many years for bilateral profound hearing loss. General longevity has continued to increase and, therefore, the age at which cochlear implants are placed has concomitantly increased. Our purpose is to determine whether outcomes and complications are significantly different in the elderly. STUDY DESIGN: Retrospective, clinical review. SETTING: Tertiary referral center, primarily ambulatory setting...
September 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28806303/does-a-combination-of-laparoscopic-approach-and-full-fast-track-multimodal-management-decrease-postoperative-morbidity-a-multicenter-randomized-controlled-trial
#14
Léon Maggiori, Eric Rullier, Jérémie H Lefevre, Jean-Marc Régimbeau, Stéphane Berdah, Mehdi Karoui, Jérome Loriau, Arnaud Alvès, Eric Vicaut, Yves Panis
OBJECTIVE: The aim of this study was to assess whether association of laparoscopic approach and full fast track multimodal (FFT) management can reduce postoperative morbidity after colorectal cancer surgery, as compared to laparoscopic approach with limited fast-track program (LFT). SUMMARY OF BACKGROUND DATA: Recent advances in colorectal cancer surgery are introduction of laparoscopy and FFT implementation. METHODS: Patients eligible for elective laparoscopic colorectal cancer surgery were randomized into 2 groups: FFT or LFT care (with only early oral intake and mobilization starting on Day 1)...
August 11, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28806031/clinical-ethics-with-all-her-matter-of-fact
#15
Ann Freeman Cook, Jerome W Freeman
No abstract text is available yet for this article.
July 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28805454/breastfeeding-and-infant-mortality-in-indiana-changing-the-culture-and-saving-lives-a-model-for-other-states
#16
Jerome M Adams
No abstract text is available yet for this article.
August 14, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28805015/stromelysin-2-mmp-10-a-novel-mediator-of-vascular-remodeling-underlying-pulmonary-hypertension-associated-with-systemic-sclerosis
#17
Jérôme Avouac, Christophe Guignabert, Anna Maria Hoffmann-Vold, Barbara Ruiz, Peter Dorfmuller, Sonia Pezet, Olivia Amar, Ly Tu, Jérôme Van Wassenhove, Jérémy Sadoine, David Launay, Muriel Elhai, Anne Cauvet, Arun Subramaniam, Robert Resnick, Eric Hachulla, Øyvind Molberg, André Kahan, Marc Humbert, Yannick Allanore
OBJECTIVE: To decipher the role of gene candidates involved in pulmonary hypertension (PH) associated with systemic sclerosis (SSc). METHODS: Gene candidates were identified through microarray experiments performed on Affymetrix GeneChip(®) Human Exon 1.0 ST Arrays in endothelial progenitor cell (EPC)-derived endothelial cells (ECs) issued from patients with SSc-PH, SSc without PH and controls. Expression of identified candidates was assessed by quantitative sandwich ELISA in the serum and by immunohistochemistry in lesional lung tissue...
August 13, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28804473/confirmatory-factor-analysis-of-the-french-version-of-the-anticipatory-and-consummatory-interpersonal-pleasure-scale
#18
Joséphine Chaix, Philippe Golay, Caroline Fankhauser, Alexandra Nguyen, Diane C Gooding, Jérôme Favrod
The Anticipatory and Consummatory Interpersonal Pleasure Scale (ACIPS), a measure specifically designed to assess hedonic capacity for social and interpersonal pleasure, was used to evaluate the presence of social anhedonia in patients as well as the general population. The first goal of this study was to validate the structure of the French version of the ACIPS. The second objective was to verify whether a one, two or three factor solution is most appropriate for the ACIPS scale. The French version of the ACIPS was tested on 263 French-speaking pre-graduate students or professional volunteers...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28804007/antibiotic-therapy-duration-for-prosthetic-joint-infections-treated-by-debridement-and-implant-retention-dair-similar-long-term-remission-for-6-weeks-as-compared-to-12-weeks
#19
Hélène Chaussade, Ilker Uçkay, Albert Vuagnat, Jérôme Druon, Guillaume Gras, Philippe Rosset, Benjamin A Lipsky, Louis Bernard
BACKGROUND: The required duration of antibiotic treatment for prosthetic joint infections (PJI) with debridement and retention of the implant (DAIR procedure) is unknown. METHODS: Multicenter retrospective study emphasizing the duration of antibiotic therapy in patients treated with by DAIR. RESULTS: We included 87 hip or knee PJI episodes in 87 patients from three university hospitals in France and Switzerland. All debridements were performed within 3 weeks of symptom onset...
August 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28803235/18f-fdg-uptake-in-well-differentiated-neuroendocrine-tumors-correlates-with-both-ki-67-and-vhl-pathway-inactivation
#20
Margot Bucau, Astrid Laurent-Bellue, Nicolas Poté, Olivia Hentic, Jérôme Cros, Nidaa Mikail, Vinciane Rebours, Philippe Ruszniewski, Rachida Lebtahi, Anne Couvelard
<br>Introduction: 18FDG PET-scanner positivity correlates with poor prognosis in neuroendocrine neoplasms (NEN). Glucose transporter 1 (GLUT1) and carbonic anhydrase 9 (CA9) are markers of agressivity in tumors. Together with pVHL, they are involved in tumor cell metabolism via the hypoxia-inducible factor (HIF) signaling pathway. The aim of this study was to compare, in a series of well-differentiated neuroendocrine tumors (NET), the 18-FDG uptake and expression of proliferation marker Ki-67, GLUT-1, CA9 and pVHL...
August 11, 2017: Neuroendocrinology
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