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https://www.readbyqxmd.com/read/28792539/active-microorganisms-thrive-among-extremely-diverse-communities-in-cloud-water
#1
Pierre Amato, Muriel Joly, Ludovic Besaury, Anne Oudart, Najwa Taib, Anne I Moné, Laurent Deguillaume, Anne-Marie Delort, Didier Debroas
Clouds are key components in Earth's functioning. In addition of acting as obstacles to light radiations and chemical reactors, they are possible atmospheric oases for airborne microorganisms, providing water, nutrients and paths to the ground. Microbial activity was previously detected in clouds, but the microbial community that is active in situ remains unknown. Here, microbial communities in cloud water collected at puy de Dôme Mountain's meteorological station (1465 m altitude, France) were fixed upon sampling and examined by high-throughput sequencing from DNA and RNA extracts, so as to identify active species among community members...
2017: PloS One
https://www.readbyqxmd.com/read/28770457/exercise-induced-polymorphic-ventricular-tachycardia-during-treadmill-stress-test
#2
Federico G De Puy, Ayman A Farag, Vineet Kumar
No abstract text is available yet for this article.
August 2, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28734553/dietary-inflammatory-index-and-liver-status-in-subjects-with-different-adiposity-levels-within-the-predimed-trial
#3
Irene Cantero, Itziar Abete, Nancy Babio, Fernando Arós, Dolores Corella, Ramón Estruch, Montse Fitó, James R Hebert, M Ángel Martínez-González, Xavier Pintó, M Puy Portillo, Miguel Ruiz-Canela, Nitin Shivappa, Julia Wärnberg, Enrique Gómez-Gracia, J Antoni Tur, Jordi Salas-Salvadó, M Angeles Zulet, J Alfredo Martínez
BACKGROUND & AIMS: To assess the possible association between a validated Dietary Inflammatory Index (DII) and specific dietary components with suitable non-invasive markers of liver status in overweight and obese subjects within the PREDIMED study. METHODS: A cross-sectional study encompassing 794 randomized overweight and obese participants (mean ± SD age: 67.0 ± 5.0 y, 55% females) from the PREDIMED (PREvención con DIeta MEDiterránea) trial was conducted...
July 6, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28694661/relevance-of-proteolysis-and-proteasome-activation-in-fatty-liver-graft-preservation-an-institut-georges-lopez-1-vs-university-of-wisconsin-appraisal
#4
Mohamed Amine Zaouali, Arnau Panisello-Roselló, Alexandre Lopez, Carlos Castro Benítez, Emma Folch-Puy, Agustín García-Gil, Teresa Carbonell, René Adam, Joan Roselló-Catafau
AIM: To compare liver proteolysis and proteasome activation in steatotic liver grafts conserved in University of Wisconsin (UW) and Institut Georges Lopez-1 (IGL-1) solutions. METHODS: Fatty liver grafts from male obese Zücker rats were conserved in UW and IGL-1 solutions for 24 h at 4 °Cand subjected to "ex vivo" normo-thermic perfusion (2 h; 37 °C). Liver proteolysis in tissue specimens and perfusate was measured by reverse-phase high performance liquid chromatography...
June 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28679870/the-cytosolic-5-nucleotidase-cn-ii-lowers-the-adaptability-to-glucose-deprivation-in-human-breast-cancer-cells
#5
Gabriel Bricard, Octavia Cadassou, Laure-Estelle Cassagnes, Emeline Cros-Perrial, Léa Payen-Gay, Jean-Yves Puy, Isabelle Lefebvre-Tournier, Maria Grazia Tozzi, Charles Dumontet, Lars Petter Jordheim
The cytosolic 5'-nucleotidase cN-II is a highly conserved enzyme implicated in nucleotide metabolism. Based on recent observations suggesting additional roles not directly associated to its enzymatic activity, we studied human cancer cell models with basal or decreased cN-II expression. We developed cancer cells with stable inhibition of cN-II expression by transfection of shRNA-coding plasmids, and studied their biology. We show that human breast cancer cells MDA-MB-231 with decreased cN-II expression better adapt to the disappearance of glucose in growth medium under normoxic conditions than cells with a baseline expression level...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28656348/pap-reg3a-favors-perineural-invasion-in-pancreatic-adenocarcinoma-and-serves-as-a-prognostic-marker
#6
Jérémy Nigri, Meritxell Gironella, Christian Bressy, Elena Vila-Navarro, Julie Roques, Sophie Lac, Caroline Bontemps, Coraline Kozaczyk, Jérôme Cros, Daniel Pietrasz, Raphaël Maréchal, Jean-Luc Van Laethem, Juan Iovanna, Jean-Baptiste Bachet, Emma Folch-Puy, Richard Tomasini
Pancreatic ductal adenocarcinoma (PDA) is a fatal and insidious malignant disease for which clinicians' tools are restricted by the current limits in knowledge of how tumor and stromal cells act during the disease. Among PDA hallmarks, neural remodeling (NR) and perineural invasion (PNI) drastically influence quality of life and patient survival. Indeed, NR and PNI are associated with neuropathic pain and metastasis, respectively, both of which impact clinicians' decisions and therapeutic options. The aim of this study was to determine the impact and clinical relevance of the peritumoral microenvironment, through pancreatitis-associated protein (PAP/REG3A) expression, on PNI in pancreatic cancer...
June 27, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28545892/technical-feasibility-and-carbon-footprint-of-biochar-co-production-with-tomato-plant-residue
#7
Pere Llorach-Massana, Elisa Lopez-Capel, Javier Peña, Joan Rieradevall, Juan Ignacio Montero, Neus Puy
World tomato production is in the increase, generating large amounts of organic agricultural waste, which are currently incinerated or composted, releasing CO2 into the atmosphere. Organic waste is not only produced from conventional but also urban agricultural practices due recently gained popularity. An alternative to current waste management practices and carbon sequestration opportunity is the production of biochar (thermally converted biomass) from tomato plant residues and use as a soil amendment. To address the real contribution of biochar for greenhouse gas mitigation, it is necessary to assess the whole life cycle from the production of the tomato biomass feedstock to the actual distribution and utilisation of the biochar produced in a regional context...
May 22, 2017: Waste Management
https://www.readbyqxmd.com/read/28534353/subcutaneous-versus-intravenous-administration-of-trastuzumab-preference-of-her2-breast-cancer-patients-and-financial-impact-of-its-use
#8
Andrea Lazaro Cebas, Susana Cortijo Cascajares, Siria Pablos Bravo, Maria Del Puy Goyache Goñi, Gema Gonzalez Monterrubio, Maria Dolores Perez Cardenas, Jose Miguel Ferrari Piquero
PURPOSE: To investigate the preference of HER2+ breast cancer patients and nursing professionals for subcutaneous (SC) versus intravenous (IV) trastuzumab and to evaluate the financial impact derived from the use of the SC formulation. METHODS: A cross-sectional questionnaire-based study was carried out to investigate preferences of all patients who started treatment with SC trastuzumab while they had received the IV formulation before. The preference of nursing staff in charge of preparation and administration was also analysed...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533320/electrocardiogram-challenge-syncope-in-a-woman-with-nausea-and-diarrhea
#9
Federico De Puy, G Neal Kay
No abstract text is available yet for this article.
May 23, 2017: Circulation
https://www.readbyqxmd.com/read/28516737/iron-status-and-inflammatory-biomarkers-in-patients-with-acutely-decompensated-heart-failure-early-in-hospital-phase-and-30-day-follow-up
#10
Lucas N L Van Aelst, Marjorie Abraham, Malha Sadoune, Thibaud Lefebvre, Philippe Manivet, Damien Logeart, Jean-Marie Launay, Zoubida Karim, Hervé Puy, Alain Cohen-Solal
No abstract text is available yet for this article.
May 17, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28508621/extending-the-use-of-diffusive-gradients-in-thin-films-dgt-to-solutions-where-competition-saturation-and-kinetic-effects-are-not-negligible
#11
Martín Jiménez-Piedrahita, Alexandra Altier, Joan Cecilia, Jaume Puy, Josep Galceran, Carlos Rey-Castro, Hao Zhang, William Davison
DGT (Diffusion Gradients in Thin films) was designed to sample trace metals in situ at their natural concentrations. The setup and the experimental deployment conditions were established to allow interpretation of a linear accumulation of metal with time, using a simple expression based on a steady-state flux under perfect sink conditions. However, the extension of DGT to a wide range of analytes and its use under varied conditions has shown that, in some situations, these conditions are not fulfilled, so that accumulations with time are nonlinear...
May 26, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28467383/polyphenol-levels-are-inversely-correlated-with-body-weight-and-obesity-in-an-elderly-population-after-5-years-of-follow-up-the-randomised-predimed-study
#12
Xiaohui Guo, Anna Tresserra-Rimbau, Ramón Estruch, Miguel A Martínez-González, Alexander Medina-Remón, Montserrat Fitó, Dolores Corella, Jordi Salas-Salvadó, Maria Puy Portillo, Juan J Moreno, Xavier Pi-Sunyer, Rosa M Lamuela-Raventós
Overweight and obesity have been steadily increasing in recent years and currently represent a serious threat to public health. Few human studies have investigated the relationship between polyphenol intake and body weight. Our aim was to assess the relationship between urinary polyphenol levels and body weight. A cross-sectional study was performed with 573 participants from the PREDIMED (Prevención con Dieta Mediterránea) trial (ISRCTN35739639). Total polyphenol levels were measured by a reliable biomarker, total urinary polyphenol excretion (TPE), determined by the Folin-Ciocalteu method in urine samples...
May 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28415014/determination-and-quantification-of-intracellular-fludarabine-triphosphate-cladribine-triphosphate-and-clofarabine-triphosphate-by-lc-ms-ms-in-human-cancer-cells
#13
Jean-Yves Puy, Lars Petter Jordheim, Emeline Cros-Perrial, Charles Dumontet, Suzanne Peyrottes, Isabelle Lefebvre-Tournier
Purine nucleoside analogues are widely used in the treatment of haematological malignancies, and their biological activity is dependent on the intracellular accumulation of their triphosphorylated metabolites. In this context, we developed and validated a liquid chromatography tandem mass spectrometry (LC-MS/MS) method to study the formation of 5'-triphosphorylated derivatives of cladribine, fludarabine, clofarabine and 2'-deoxyadenosine in human cancer cells. Br-ATP was used as internal standard. Separation was achieved on a hypercarb column...
May 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28408624/activated-protein-c-inhibits-neutrophil-extracellular-trap-formation-in-vitro-and-activation-in-vivo
#14
Laura D Healy, Cristina Puy, José A Fernández, Annachiara Mitrugno, Ravi S Keshari, Nyiawung A Taku, Tiffany T Chu, Xiao Xu, András Gruber, Florea Lupu, John H Griffin, Owen J T McCarty
Activated protein C (APC) is a multifunctional serine protease with anticoagulant, cytoprotective, and anti-inflammatory activities. In addition to the cytoprotective effects of APC on endothelial cells, podocytes, and neurons, APC cleaves and detoxifies extracellular histones, a major component of neutrophil extracellular traps (NETs). NETs promote pathogen clearance but also can lead to thrombosis; the pathways that negatively regulate NETosis are largely unknown. Thus, we studied whether APC is capable of directly inhibiting NETosis via receptor-mediated cell signaling mechanisms...
May 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28402245/thyroid-hormone-therapy-for-older-adults-with-subclinical-hypothyroidism
#15
RANDOMIZED CONTROLLED TRIAL
David J Stott, Nicolas Rodondi, Patricia M Kearney, Ian Ford, Rudi G J Westendorp, Simon P Mooijaart, Naveed Sattar, Carole E Aubert, Drahomir Aujesky, Douglas C Bauer, Christine Baumgartner, Manuel R Blum, John P Browne, Stephen Byrne, Tinh-Hai Collet, Olaf M Dekkers, Wendy P J den Elzen, Robert S Du Puy, Graham Ellis, Martin Feller, Carmen Floriani, Kirsty Hendry, Caroline Hurley, J Wouter Jukema, Sharon Kean, Maria Kelly, Danielle Krebs, Peter Langhorne, Gemma McCarthy, Vera McCarthy, Alex McConnachie, Mairi McDade, Martina Messow, Annemarie O'Flynn, David O'Riordan, Rosalinde K E Poortvliet, Terence J Quinn, Audrey Russell, Carol Sinnott, Jan W A Smit, H Anette Van Dorland, Kieran A Walsh, Elaine K Walsh, Torquil Watt, Robbie Wilson, Jacobijn Gussekloo
BACKGROUND: The use of levothyroxine to treat subclinical hypothyroidism is controversial. We aimed to determine whether levothyroxine provided clinical benefits in older persons with this condition. METHODS: We conducted a double-blind, randomized, placebo-controlled, parallel-group trial involving 737 adults who were at least 65 years of age and who had persisting subclinical hypothyroidism (thyrotropin level, 4.60 to 19.99 mIU per liter; free thyroxine level within the reference range)...
June 29, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28372926/epsilonproteobacteria-dominate-bacterial-diversity-at-a-natural-tar-seep
#16
Florence Lormières, Phil M Oger
The bacterial diversity of a naturally seeping bitumen source was investigated by 16S rRNA gene cloning and sequencing. Epsilonproteobacteria were shown to dominate the bacterial diversity in the underground water and within the bitumen, representing ca. 75% of the total bacterial diversity. These Epsilonproteobacteria were dominated by Sulfurimonas OTUs, while Sulfurovum and Arcobacter OTUs completed the remaining diversity. Epsilonproteobacteria are sulfur-oxidizer, nitrate-reducing chemo-lithoautotrophic bacteria, unable to use most organics for growth but capable of CO2 fixation...
April 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/28372509/fc%C3%AE-riib-expression-in-early-stage-chronic-lymphocytic-leukemia
#17
Rosa Bosch, Alba Mora, Eva Puy Vicente, Gerardo Ferrer, Sonia Jansà, Rajendra Damle, Sergey Gorlatov, Kanti Rai, Emili Montserrat, Josep Nomdedeu, Marta Pratcorona, Laura Blanco, Silvana Saavedra, Ana Garrido, Albert Esquirol, Irene Garcia, Miquel Granell, Rodrigo Martino, Julio Delgado, Jorge Sierra, Nicholas Chiorazzi, Carol Moreno
In normal B-cells, B-cell antigen receptor (BCR) signaling can be negatively regulated by the low-affinity receptor FcγRIIb (CD32b). To better understand the role of FcγRIIb in chronic lymphocytic leukemia (CLL), we correlated its expression on 155 samples from newly-diagnosed Binet A patients with clinical characteristics and outcome. FcγRIIb expression was similar in normal B-cells and leukemic cells, this being heterogenous among patients and within CLL clones. FcγRIIb expression did not correlate with well known prognostic markers [disease stage, serum beta-2 microglobulin (B2M), IGHV mutational status, expression of ZAP-70 and CD38, and cytogenetics] except for a weak concordance with CD49d...
November 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28358586/utility-of-microfluidic-devices-to-study-the-platelet-endothelium-interface
#18
Jevgenia Zilberman-Rudenko, Joanna L Sylman, Kathleen S Garland, Cristina Puy, Andrew D Wong, Peter C Searson, Owen J T McCarty
The integration of biomaterials and understanding of vascular biology has led to the development of perfusable endothelialized flow models, which have been used as valuable tools to study the platelet-endothelium interface under shear. In these models, the parameters of geometry, compliance, biorheology, and cellular complexity are varied to recapitulate the physical biology of platelet recruitment and activation under physiologically relevant conditions of blood flow. In this review, we summarize the mechanistic insights learned from perfusable microvessel models and discuss the potential utility as well as challenges of endothelialized microfluidic devices to study platelet function in the bloodstream in vitro...
July 2017: Platelets
https://www.readbyqxmd.com/read/28325497/prognostic-factors-of-weight-loss-after-sleeve-gastrectomy-multi-centre-study-in-spain-and-portugal
#19
Raquel Sanchez Santos, Ricard Corcelles, Ramón Vilallonga Puy, Salvadora Delgado Rivilla, José Vicente Ferrer, Javier Foncillas Corvinos, Carlos Masdevall Noguera, Maria Socas Macias, Pedro Gomes, Carmen Balague Ponz, Jorge de Tomas Palacios, Sergio Ortiz Sebastian, Andrés Sanchez Pernaute, José Julián Puche Pla, Fátima Sabench Pereferrer, Julen Abasolo Vega, Xavier Suñol Sala, Ana Garcia Navarro, Carlos Duran Escribano, Norberto Cassinello Fernandez, Nieves Perez, José Antonio Gracia Solanas, Francisca Garcia-Moreno Nisa, Alberto Hernández Matias, Víctor Valentí Azcarate, José Eduardo Perez Folques, Inmaculada Navarro Garcia, Eduardo Dominguez-Adame Lanuza, Sagrario Martinez Cortijo, Jesús González Fernández
INTRODUCTION: Sleeve gastrectomy (SG) has become a technique in its own right although a selective or global indication remains controversial. The weight loss data at 5 years are heterogeneous. The aim of the study is to identify possible prognostic factors of insufficient weight loss after SG. METHODS: A SG retrospective multicenter study of more than one year follow-up was performed. Failure is considered if EWL>50%. Univariate and multivariate study of Cox regression were performed to identify prognostic factors of failure of weight loss at 1, 2 and 3 years of follow up...
March 18, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28291557/terrace-landscapes-editorial-to-the-special-issue
#20
EDITORIAL
Andrea L Balbo, Arnald Puy
No abstract text is available yet for this article.
March 10, 2017: Journal of Environmental Management
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