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https://www.readbyqxmd.com/read/28711443/regional-distribution-of-pulmonary-blood-volume-with-dual-energy-computed-tomography-results-in-42-subjects
#1
Paul Felloni, Alain Duhamel, Jean-Baptiste Faivre, Jessica Giordano, Suonita Khung, Valérie Deken, Jacques Remy, Martine Remy-Jardin
RATIONALE AND OBJECTIVES: The noninvasive approach of lung perfusion generated from dual-energy computed tomography acquisitions has entered clinical practice. The purpose of this study was to analyze the regional distribution of iodine within distal portions of the pulmonary arterial bed on dual-source, dual-energy computed tomography examinations in a cohort of subjects without cardiopulmonary pathologies. MATERIALS AND METHODS: The study population included 42 patients without cardiorespiratory disease, enabling quantitative and qualitative analysis of pulmonary blood volume after administration of a 40% contrast agent...
July 12, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28690869/the-clinical-impact-of-copy-number-variants-in-inherited-bone-marrow-failure-syndromes
#2
Nicolas Waespe, Santhosh Dhanraj, Manju Wahala, Elena Tsangaris, Tom Enbar, Bozana Zlateska, Hongbing Li, Robert J Klaassen, Conrad V Fernandez, Geoff D E Cuvelier, John K Wu, Yves D Pastore, Mariana Silva, Jeffrey H Lipton, Joseé Brossard, Bruno Michon, Sharon Abish, MacGregor Steele, Roona Sinha, Mark J Belletrutti, Vicky R Breakey, Lawrence Jardine, Lisa Goodyear, Liat Kofler, Michaela Cada, Lillian Sung, Mary Shago, Stephen W Scherer, Yigal Dror
Inherited bone marrow failure syndromes (IBMFSs) comprise a genetically heterogeneous group of diseases with hematopoietic failure and a wide array of physical malformations. Copy number variants (CNVs) were reported in some IBMFSs. It is unclear what impact CNVs play in patients evaluated for a suspected diagnosis of IBMFS. Clinical and genetic data of 323 patients from the Canadian Inherited Marrow Failure Registry from 2001 to 2014, who had a documented genetic work-up, were analyzed. Cases with pathogenic CNVs (at least 1 kilobasepairs) were compared to cases with other mutations...
May 10, 2017: NPJ Genomic Medicine
https://www.readbyqxmd.com/read/28679653/reliable-subtype-classification-of-diffuse-large-b-cell-lymphoma-samples-from-gela-lnh2003-trials-using-the-lymph2cx-gene-expression-assay
#3
Jean-Philippe Jais, Thierry Jo Molina, Philippe Ruminy, David Gentien, Cecile Reyes, David W Scott, Lisa M Rimsza, Georges Wright, Randy D Gascoyne, Louis M Staudt, Corinne Haioun, Herve Tilly, Philippe Gaulard, Gilles A Salles, Fabrice Jardin, Karen Leroy
No abstract text is available yet for this article.
July 4, 2017: Haematologica
https://www.readbyqxmd.com/read/28653660/phosphate-steering-by-flap-endonuclease-1-promotes-5-flap-specificity-and-incision-to-prevent-genome-instability
#4
Susan E Tsutakawa, Mark J Thompson, Andrew S Arvai, Alexander J Neil, Steven J Shaw, Sana I Algasaier, Jane C Kim, L David Finger, Emma Jardine, Victoria J B Gotham, Altaf H Sarker, Mai Z Her, Fahad Rashid, Samir M Hamdan, Sergei M Mirkin, Jane A Grasby, John A Tainer
DNA replication and repair enzyme Flap Endonuclease 1 (FEN1) is vital for genome integrity, and FEN1 mutations arise in multiple cancers. FEN1 precisely cleaves single-stranded (ss) 5'-flaps one nucleotide into duplex (ds) DNA. Yet, how FEN1 selects for but does not incise the ss 5'-flap was enigmatic. Here we combine crystallographic, biochemical and genetic analyses to show that two dsDNA binding sites set the 5'polarity and to reveal unexpected control of the DNA phosphodiester backbone by electrostatic interactions...
June 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28651434/body-mass-index-and-functional-impairment-the-explanatory-role-of-anxiety-sensitivity-among-treatment-seeking-smokers
#5
Brooke Y Kauffman, Lorra Garey, Charles Jardin, Michael W Otto, Amanda M Raines, Norman B Schmidt, Michael J Zvolensky
Obesity and smoking are highly prevalent public health concerns in the United States. Data indicate that elevated Body Mass Index (BMI) is related to functional impairment. However, there is limited understanding of mechanisms that may explain their comorbidity among smokers. The current study sought to test whether anxiety sensitivity explained the relation between BMI and functional impairment among 420 (46.9% females; Mage = 38 years, SD = 13.42) treatment-seeking, adult smokers. Results indicated that BMI yielded a significant indirect effect through anxiety sensitivity for functional impairment, b = 0...
June 27, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28651105/heterogeneous-epigenetic-regulation-of-hace1-in-burkitt-lymphoma-derived-cells
#6
Abdelilah Bouzelfen, Hafid Kora, Marion Alcantara, Philippe Bertrand, Jean-Baptiste Latouche, Fabrice Jardin
We examined the consequences of 3-deazaneplanocin A (DZNep) on HACE1 expression in human Burkitt- Lymphoma-derived cells to investigate fundamental molecular mechanisms that control its expression. We treated the human Burkitt- Lymphoma-derived cells lines Ramos and Raji with DZNep and examined HACE1 mRNA expression by RT-PCR. We also studied the effect of DZNep on the methylation of lysine 9 and 27 of histone 3 (H3K27me3 and H3K9me2) associated with the CpG88 and CpG177 islands of the HACE1 promoters by chromatin immunoprecipitation and quantitative PCR...
June 16, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28649203/trps-in-pain-sensation
#7
REVIEW
Isaac Jardín, José J López, Raquel Diez, José Sánchez-Collado, Carlos Cantonero, Letizia Albarrán, Geoffrey E Woodard, Pedro C Redondo, Ginés M Salido, Tarik Smani, Juan A Rosado
According to the International Association for the Study of Pain (IASP) pain is characterized as an "unpleasant sensory and emotional experience associated with actual or potential tissue damage". The TRP super-family, compressing up to 28 isoforms in mammals, mediates a myriad of physiological and pathophysiological processes, pain among them. TRP channel might be constituted by similar or different TRP subunits, which will result in the formation of homomeric or heteromeric channels with distinct properties and functions...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28642747/propionibacterium-freudenreichii-surface-protein-slpb-is-involved-in-adhesion-to-intestinal-ht-29-cells
#8
Fillipe L R do Carmo, Houem Rabah, Song Huang, Floriane Gaucher, Martine Deplanche, Stéphanie Dutertre, Julien Jardin, Yves Le Loir, Vasco Azevedo, Gwénaël Jan
Propionibacterium freudenreichii is a beneficial bacterium traditionally used as a cheese ripening starter and more recently for its probiotic abilities based on the release of beneficial metabolites. In addition to these metabolites (short-chain fatty acids, vitamins, and bifidogenic factor), P. freudenreichii revealed an immunomodulatory effect confirmed in vivo by the ability to protect mice from induced acute colitis. This effect is, however, highly strain-dependent. Local action of metabolites and of immunomodulatory molecules is favored by the ability of probiotics to adhere to the host cells...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28636991/non-invasive-detection-of-somatic-mutations-using-next-generation-sequencing-in-primary-central-nervous-system-lymphoma
#9
Maxime Fontanilles, Florent Marguet, Élodie Bohers, Pierre-Julien Viailly, Sydney Dubois, Philippe Bertrand, Vincent Camus, Sylvain Mareschal, Philippe Ruminy, Catherine Maingonnat, Stéphane Lepretre, Elena-Liana Veresezan, Stéphane Derrey, Hervé Tilly, Jean-Michel Picquenot, Annie Laquerrière, Fabrice Jardin
PURPOSE: Primary central nervous system lymphomas (PCNSL) have recurrent genomic alterations. The main objective of our study was to demonstrate that targeted sequencing of circulating cell-free DNA (cfDNA) released by PCNSL at the time of diagnosis could identify somatic mutations by next-generation sequencing (NGS). PATIENTS AND METHODS: PlasmacfDNA and matched tumor DNA (tDNA) from 25 PCNSL patients were sequenced using an Ion Torrent Personal Genome Machine (Life Technologies®)...
June 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28631116/environmental-factors-and-zoonotic-pathogen-ecology-in-urban-exploiter-species
#10
REVIEW
Jamie L Rothenburger, Chelsea H Himsworth, Nicole M Nemeth, David L Pearl, Claire M Jardine
Knowledge of pathogen ecology, including the impacts of environmental factors on pathogen and host dynamics, is essential for determining the risk that zoonotic pathogens pose to people. This review synthesizes the scientific literature on environmental factors that influence the ecology and epidemiology of zoonotic microparasites (bacteria, viruses and protozoa) in globally invasive urban exploiter wildlife species (i.e., rock doves [Columba livia domestica], European starlings [Sturnus vulgaris], house sparrows [Passer domesticus], Norway rats [Rattus norvegicus], black rats [R...
June 19, 2017: EcoHealth
https://www.readbyqxmd.com/read/28630800/taxonomic-richness-and-abundance-of-cryptic-peracarid-crustaceans-in-the-puerto-morelos-reef-national-park-mexico
#11
Luz Veronica Monroy-Velázquez, Rosa Elisa Rodríguez-Martínez, Fernando Alvarez
BACKGROUND AND AIMS: Cryptic peracarids are an important component of the coral reef fauna in terms of diversity and abundance, yet they have been poorly studied. The aim of this study was to evaluate the taxonomic richness and abundance of cryptic peracarids in coral rubble in the Puerto Morelos Reef National Park, Mexico (PMRNP), and their relationship with depth. METHODS: Three reef sites were selected: (1) Bonanza, (2) Bocana, and (3) Jardines. At each site six kilograms of coral rubble were collected over four sampling periods at three depths: 3 m (back-reef), 6-8 m (fore-reef), and 10-12 m (fore-reef)...
2017: PeerJ
https://www.readbyqxmd.com/read/28623682/osteonecrosis-of-the-jaw-in-a-patient-presenting-with-post-transplantation-lymphoproliferative-disorder-treated-with-rituximab-a-case-report
#12
Pierre Keribin, Dominique Guerrot, Fabrice Jardin, Hervé Moizan
Osteonecrosis of the jaw (ONJ) is a rare but potentially severe condition that can be induced by specific treatments. We report the case of a 69-year-old male kidney transplant recipient who presented with ONJ 5 years after transplantation. The patient presented with ulcerations of the oral mucosa related to post-transplantation lymphoproliferative disorder, which was treated with rituximab. Subsequently, ONJ developed. Although rituximab treatment cannot be firmly established as the cause of this condition, similar cases of ONJ have been reported after treatment with this monoclonal antibody...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28618627/experimental-comparison-of-forces-resisting-viral-dna-packaging-and-driving-dna-ejection
#13
Nicholas Keller, Zachary T Berndsen, Paul J Jardine, Douglas E Smith
We compare forces resisting DNA packaging and forces driving DNA ejection in bacteriophage phi29 with theoretical predictions. Ejection of DNA from prohead-motor complexes is triggered by heating complexes after in vitro packaging and force is inferred from the suppression of ejection by applied osmotic pressure. Ejection force from 0% to 80% filling is found to be in quantitative agreement with predictions of a continuum mechanics model that assumes a repulsive DNA-DNA interaction potential based on DNA condensation studies and predicts an inverse-spool conformation...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28612479/open-water-and-under-ice-seasonal-variations-in-trace-element-content-and-physicochemical-associations-in-fluvial-bed-sediment
#14
Lorne E Doig, Meghan K Carr, Anna G N Meissner, Tim D Jardine, Paul D Jones, Lalita Bharadwaj, Karl-Erich Lindenschmidt
Across the circumpolar world, intensive anthropogenic activities in the southern reaches of many large, northward-flowing rivers can cause sediment contamination in the downstream depositional environment. The influence of ice cover on concentrations of inorganic contaminants in bed sediment (i.e., sediment quality) is unknown in these rivers where winter is the dominant season. A Geomorphic Response Unit (GRU) approach was used to select hydraulically-diverse sampling sites across a northern test-case system, the Slave River and Delta, NT, Canada...
June 13, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28597919/an-open-label-dose-finding-study-of-allopurinol-to-target-defined-reduction-in-urate-levels-in-hemodialysis-patients
#15
Elaine Rutherford, Graham Stewart, J Graeme Houston, Alan G Jardine, Patrick B Mark, Allan D Struthers
No abstract text is available yet for this article.
June 9, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28593746/long-term-measurements-of-chlorophyll-a-fluorescence-using-the-jip-test-show-that-combined-abiotic-stresses-influence-the-photosynthetic-performance-of-the-perennial-ryegrass-lolium-perenne-in-a-managed-temperate-grassland
#16
Anthony Digrado, Aurélie Bachy, Ahsan Mozaffar, Niels Schoon, Filippo Bussotti, Crist Amelynck, Anne-Catherine Dalcq, Marie-Laure Fauconnier, Marc Aubinet, Bernard Heinesch, Patrick du Jardin, Pierre Delaplace
Several experiments have highlighted the complexity of stress interactions involved in plant response. The impact in field conditions of combined environmental constraints on the mechanisms involved in plant photosynthetic response, however, remains understudied. In a long-term field study performed in a managed grassland, we investigated the photosynthetic apparatus response of the perennial ryegrass (Lolium perenne L.) to environmental constraints and its ability to recover and acclimatize. Frequent field measurements of chlorophyll a fluorescence (ChlF) were made in order to determine the photosynthetic performance response of a population of L...
June 8, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28546405/a-break-from-brexit-scenes-from-general-practice-in-germany
#17
Oliver Jardine
No abstract text is available yet for this article.
June 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28505625/metal-artifact-reduction-on-chest-computed-tomography-examinations-comparison-of-the-iterative-metallic-artefact-reduction-algorithm-and-the-monoenergetic-approach
#18
Julien Pagniez, Louise Legrand, Suonita Khung, Jean-Baptiste Faivre, Alain Duhamel, Andreas Krauss, Jacques Remy, Martine Remy-Jardin
OBJECTIVE: The aim of the study was to compare iterative metallic artefact reduction (iMAR) and monochromatic imaging on metal artifact reduction. MATERIALS AND METHODS: Follow-up of 29 occluded pulmonary arteriovenous malformations was obtained with dual-energy computed tomography with reconstruction of averaged images using filtered back projection (group 1), iMAR (group 2), and creation of high-energy monoenergetic images (group 3). Two types of coils had been used: (a) nickel only (group A, n = 18) and (b) nickel and platinum (group B, n = 11)...
May 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28490091/physico-chemical-characterization-of-dairy-gel-obtained-by-a-proteolytic-extract-from-calotropis-procera-a-comparison-with-chymosin
#19
Issa Ado Rayanatou, ElHadji Gounga Mahamadou, Gilles Garric, Marielle Harel-Oger, Arlette Leduc, Julien Jardin, Valérie Briard-Bion, Chantal Cauty, Hassane Adakal, Jean François Grongnet, Frédéric Gaucheron
Chymosin is the major enzyme used in cheesemaking but latex enzymes are also used. The aim of this work was to characterize the composition and the structure of dairy gel obtained by an extract of Calotropis procera leaves in comparison with those obtained by chymosin. The biochemical and mineral compositions of the curds and the cheese yields obtained by using Calotropis procera extract or chymosin were relatively similar. Quantitative and qualitative evaluations of proteolysis after milk coagulation, determined by the non-protein nitrogen content and chromatography coupled to mass spectrometry, indicated that Calotropis procera extract was more proteolytic than chymosin and that κ-casein was proteolyzed...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28489893/correction-novel-decay-dynamics-revealed-for-virus-mediated-drug-activation-in-cytomegalovirus-infection
#20
Jessica Rose, Vincent C Emery, Deepali Kumar, Anders Asberg, Anders Hartmann, Alan G Jardine, Angelo A Bignamini, Atul Humar, Avidan U Neumann
[This corrects the article DOI: 10.1371/journal.ppat.1006299.].
May 2017: PLoS Pathogens
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