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https://www.readbyqxmd.com/read/27912216/endoscopic-features-of-an-adenoid-cystic-carcinoma-of-the-esophagus-narrow-band-imaging-and-dual-focus-magnification
#1
Franck Nicolas Bardou, Jérôme Rivory, Maud Robert, Diane Collet Benzaquen, Jean-François Fléjou, Thierry Ponchon, Mathieu Pioche
No abstract text is available yet for this article.
January 2016: Endoscopy
https://www.readbyqxmd.com/read/27908721/stress-response-in-honeybees-is-associated-with-changes-in-task-related-physiology-and-energetic-metabolism
#2
Célia Bordier, Séverine Suchail, Maryline Pioz, Jean Marc Devaud, Claude Collet, Mercedes Charreton, Yves Le Conte, Cédric Alaux
In a rapidly changing environment, honeybee colonies are increasingly exposed to diverse sources of stress (e.g., new parasites, pesticides, climate warming), which represent a challenge to individual and social homeostasis. However, bee physiological responses to stress remain poorly understood. We therefore exposed bees specialised in different tasks (nurses, guards and foragers) to ancient (immune and heat stress) or historically more recent sources of stress (pesticides), and we determined changes in the expression of genes linked to behavioural maturation (vitellogenin - vg and juvenile hormone esterase - jhe) as well as in energetic metabolism (glycogen level, expression level of the receptor to the adipokinetic hormone - akhr, and endothermic performance)...
November 28, 2016: Journal of Insect Physiology
https://www.readbyqxmd.com/read/27896495/accuracy-of-coronary-computed-tomography-angiography-for-bioresorbable-scaffold-luminal-investigation-a-comparison-with-optical-coherence-tomography
#3
Carlos Collet, Yohei Sotomi, Rafael Cavalcante, Taku Asano, Yosuke Miyazaki, Erhan Tenekecioglu, Pieter Kistlaar, Yaping Zeng, Pannipa Suwanasson, Robbert J de Winter, Koen Nieman, Patrick W Serruys, Yoshinobu Onuma
To establish the accuracy of coronary computed tomography angiography (CTA) for in-scaffold quantitative evaluation with optical coherence tomography (OCT) as a reference. The translucent backbone of the bioresorbable scaffold allow us to evaluate non-invasively the coronary lumen with coronary CTA. In the ABSORB first-in-man studies, coronary CTA was shown to be feasible for quantitative luminal assessment. Nevertheless, a comparison with an intravascular modality with higher resolution has never been performed...
November 28, 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27896438/survival-of-a-recessive-allele-in-a-mendelian-diploid-model
#4
Rebecca Neukirch, Anton Bovier
In this paper we analyse the genetic evolution of a diploid hermaphroditic population, which is modelled by a three-type nonlinear birth-and-death process with competition and Mendelian reproduction. In a recent paper, Collet et al. (J Math Biol 67(3):569-607, 2013) have shown that, on the mutation time-scale, the process converges to the Trait-Substitution Sequence of adaptive dynamics, stepping from one homozygotic state to another with higher fitness. We prove that, under the assumption that a dominant allele is also the fittest one, the recessive allele survives for a time of order at least [Formula: see text], where K is the size of the population and [Formula: see text]...
November 28, 2016: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/27890271/-towards-a-transcultural-approach-to-eating-disorders
#5
Marion Vu-Augier de Montgrémier, Corinne Blanchet-Collet, Gabriela Guzmán, Marie Rose Moro
Anorexia must not be considered as a syndrome specific to a culture but as being linked to fast-moving sociocultural changes. Its occurrence can be favoured by certain transcultural phenomena, such as globalisation and the process of acculturation. The analysis of a clinical case of a young migrant with anorexia illustrates the complexity and need for complementary transcultural psychotherapy, to improve understanding and the future.
November 2016: Soins. Psychiatrie
https://www.readbyqxmd.com/read/27889236/pacemakers-and-mri-a-protocol-in-line-with-international-guidelines-and-approved-by-the-sficv-french-society-of-cardiovascular-imaging
#6
Y Cruypeninck, B Dubourg, P Michelin, B Godin, C Savoye-Collet, E Gérardin, J-N Dacher
No abstract text is available yet for this article.
November 23, 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27886338/frequency-of-the-val1016ile-mutation-on-the-kdr-gene-in-aedes-aegypti-diptera-culicidae-in-south-brazil
#7
M L Collet, C Frizzo, E Orlandin, L D P Rona, J C Nascimento, M A E Montano, G A Müller, G Wagner
Recently, the number of Aedes aegypti foci has increased in west of Santa Catarina, south Brazil, which has increased concern regarding mosquito-borne disease outbreaks such as dengue fever, Zika virus, and chikungunya. Therefore, it is important to monitor genetic resistance to insecticides through "knockdown resistance". Homozygosity (Ile/Ile) at position 1016 in the coding region of a voltage-dependent sodium channel gene (Nav) may induce resistance to pyrethroid insecticides. We evaluated the frequency of these alleles in A...
November 21, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27881678/evolutionary-adaptation-of-the-essential-trna-methyltransferase-trmd-to-the-signaling-molecule-3-5-camp-in-bacteria
#8
Yong Zhang, Rym Agrebi, Lauren E Bellows, Jean-François Collet, Volkhard Kaever, Angelika Gründling
The nucleotide signaling molecule 3',5'-cyclic adenosine monophosphate (3',5'-cAMP) plays important physiological roles, ranging from carbon catabolite repression in bacteria to mediating the action of hormones in higher eukaryotes, including human. However, it remains unclear whether 3',5'-cAMP is universally present in the Firmicutes group of bacteria. We hypothesized that searching for proteins that bind 3',5'-cAMP might provide new insight into this question. Accordingly, we performed a genome-wide screen, and identified the essential Staphylococcus aureus tRNA m1G37 methyltransferase enzyme TrmD, which is conserved in all three domains of life, as a tight 3',5'-cAMP binding protein...
November 23, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27879491/18f-fdg-pet-ct-in-renal-infections-evidence-of-acute-pyelonephritis-in-a-horseshoe-kidney
#9
Maxime Morelle, Alice Jaillard, Dimitri Bellevre, Guillaume Collet, Grégory Petyt
A 58-year-old paraplegic patient was prescribed F-FDG for persistent inflammatory syndrome after aortic surgery for dissection. The examination was performed on a Siemens mCT Flow PET/CT and shows a moderate prostate uptake, related to prostatitis on self-catheterization and a focal renal cortical hypermetabolism of the left medial midpole of a horseshoe kidney, which corresponds to renal parenchyma on the CT, and suggests pyelonephritis, confirmed by Tc-DMSA SPECT/CT.
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27870659/a-novel-twist1-gene-mutation-in-a-patient-with-saethre-chotzen-syndrome
#10
Şule Altiner, Halil G Karabulut, Kanay Yararbaş, Ajlan Tükün, Corinne Collet, Pinar Kocaay, Merih Berberoğlu, Hatice Ilgin Ruhi
No abstract text is available yet for this article.
November 18, 2016: Clinical Dysmorphology
https://www.readbyqxmd.com/read/27869901/-2015-esc-guidelines-for-the-management-of-acute-coronary-syndromes-in-patients-presenting-without-persistent-st-segment-elevation-task-force-for-the-management-of-acute-coronary-syndromes-in-patients-presenting-without-persistent-st-segment-elevation-of-the
#11
Marco Roffi, Carlo Patrono, Jean-Philippe Collet, Christian Mueller, Marco Valgimigli, Felicita Andreotti, Jeroen J Bax, Michael A Borger, Carlos Brotons, Derek P Chew, Baris Gencer, Gerd Hasenfuss, Keld Kjeldsen, Patrizio Lancellotti, Ulf Landmesser, Julinda Mehilli, Debabrata Mukherjee, Robert F Storey, Stephan Windecker
No abstract text is available yet for this article.
October 2016: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/27846919/intestinal-bile-acid-receptors-are-key-regulators-of-glucose-homeostasis
#12
Mohamed-Sami Trabelsi, Sophie Lestavel, Bart Staels, Xavier Collet
In addition to their well-known function as dietary lipid detergents, bile acids have emerged as important signalling molecules that regulate energy homeostasis. Recent studies have highlighted that disrupted bile acid metabolism is associated with metabolism disorders such as dyslipidaemia, intestinal chronic inflammatory diseases and obesity. In particular, type 2 diabetes (T2D) is associated with quantitative and qualitative modifications in bile acid metabolism. Bile acids bind and modulate the activity of transmembrane and nuclear receptors (NR)...
November 16, 2016: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/27832169/honey-bee-viruses-in-wild-bees-viral-prevalence-loads-and-experimental-inoculation
#13
Adam G Dolezal, Stephen D Hendrix, Nicole A Scavo, Jimena Carrillo-Tripp, Mary A Harris, M Joseph Wheelock, Matthew E O'Neal, Amy L Toth
Evidence of inter-species pathogen transmission from managed to wild bees has sparked concern that emerging diseases could be causing or exacerbating wild bee declines. While some pathogens, like RNA viruses, have been found in pollen and wild bees, the threat these viruses pose to wild bees is largely unknown. Here, we tested 169 bees, representing 4 families and 8 genera, for five common honey bee (Apis mellifera) viruses, finding that more than 80% of wild bees harbored at least one virus. We also quantified virus titers in these bees, providing, for the first time, an assessment of viral load in a broad spectrum of wild bees...
2016: PloS One
https://www.readbyqxmd.com/read/27812766/hypoxia-selective-inhibition-of-angiogenesis-development-by-nami-a-analogues
#14
Maria Oszajca, Guillaume Collet, Grażyna Stochel, Claudine Kieda, Małgorzata Brindell
The antimetastatic ruthenium(III) complex (H2Im)[trans-RuCl4(HIm)(DMSO)] (NAMI-A) as well as its two analogues (H2Ind)[trans-RuCl4(HInd)(DMSO)] (Ru-Ind) and (HIsq)[trans-RuCl4(Isq)(DMSO)] (Ru-Isq) (HIm-imidazole, HInd-indazole, Isq-isoquinoline, DMSO-dimethyl sulfoxide) were tested for their effect on endothelial cell functions in vitro on human skin microvascular endothelial cells (HSkMEC) and human endothelial progenitor cells (HPEC-CB.2) under normoxic (21 % O2) and hypoxic (1 % O2) conditions. All studied complexes showed very low cytotoxicity profiles towards both mature microvascular and precursor endothelial cells (ECs), independently of oxygen concentration...
December 2016: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/27811127/collet-sicard-syndrome-a-rare-but-important-presentation-of-internal-jugular-vein-thrombosis
#15
Shermyn Neo, Kim En Lee
We describe a rare neurological presentation of internal jugular vein thrombosis induced by central venous catheter placement in a patient with cancer. A 71-year-old man gave a 3-week history of dysphagia and dysarthria with left-sided neck pain and headache. He was receiving chemotherapy for appendiceal adenocarcinoma. On examination, he had left 9th-12th cranial neuropathies, manifesting as voice hoarseness, decreased palatal movement, absent gag reflex, weakness of scapular elevation and left-sided tongue wasting...
November 3, 2016: Practical Neurology
https://www.readbyqxmd.com/read/27798096/chronic-pancreatitis-and-lipomatosis-are-associated-with-defective-function-of-ciliary-genes-in-pancreatic-ductal-cells
#16
Cécile Augereau, Louis Collet, Pierfrancesco Vargiu, Carmen Guerra, Sagrario Ortega, Frédéric P Lemaigre, Patrick Jacquemin
Genetic diseases associated with defects in primary cilia are classified as ciliopathies. Pancreatic lesions and ductal cysts are found in patients with ciliopathic polycystic kidney diseases suggesting a close connection between pancreatic defects and primary cilia. Here we investigate the role of two genes whose deletion is known to cause primary cilium defects, namely Hnf6 and Lkb1, in pancreatic ductal homeostasis. We find that mice with postnatal duct-specific deletion of Hnf6 or Lkb1 show duct dilations...
October 7, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27789570/management-of-antithrombotic-therapy-after-bleeding-in-patients-with-coronary-artery-disease-and-or-atrial-fibrillation-expert-consensus-paper-of-the-european-society-of-cardiology-working-group-on-thrombosis
#17
Sigrun Halvorsen, Robert F Storey, Bianca Rocca, Dirk Sibbing, Jurrien Ten Berg, Erik Lerkevang Grove, Thomas W Weiss, Jean-Philippe Collet, Felicita Andreotti, Dietrich C Gulba, Gregory Y H Lip, Steen Husted, Gemma Vilahur, Joao Morais, Freek W A Verheugt, Angel Lanas, Rustam Al-Shahi Salman, Philippe Gabriel Steg, Kurt Huber
No abstract text is available yet for this article.
October 27, 2016: European Heart Journal
https://www.readbyqxmd.com/read/27789521/energy-expenditure-in-frontotemporal-dementia-a-behavioural-and-imaging-study
#18
Rebekah M Ahmed, Ramon Landin-Romero, Tinh-Hai Collet, Agatha A van der Klaauw, Emma Devenney, Elana Henning, Matthew C Kiernan, Olivier Piguet, I Sadaf Farooqi, John R Hodges
Abnormal eating behaviour and metabolic parameters including insulin resistance, dyslipidaemia and body mass index are increasingly recognized as important components of neurodegenerative disease and may contribute to survival. It has previously been established that behavioural variant frontotemporal dementia is associated with abnormal eating behaviour characterized by increased sweet preference. In this study, it was hypothesized that behavioural variant frontotemporal dementia might also be associated with altered energy expenditure...
October 27, 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27779486/necrotizing-infundibular-crystalline-folliculitis-nicf-induced-by-anti-tumoral-therapies-report-of-2-cases
#19
Kinda Fattouh, Diane Collet-Benzaquen, Anne M Provensal, Françoise Desseigne, Christine Castillo, Patrick Combemale, Arnaud de la Fouchardière
Necrotizing Infundibular Crystalline Folliculitis (NICF) is rare entity of unknown pathogenesis presenting as follicular crystalline papules arising in seborrheic areas. We report 2 cases of NICF in patients under targeted therapy for metastatic adenocarcinoma. In one case, the lesions reappeared cyclically every 3 weeks after each injection and in the other case, lesions persisted until disruption of the continuous oral therapy. Punch-biopsies demonstrated folliculitis with a plugging crystalline material associated with either bacteria or yeast...
September 27, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27777743/diploid-male-production-correlates-with-genetic-diversity-in-the-parasitoid-wasp-venturia-canescens-a-genetic-approach-with-new-microsatellite-markers
#20
Marie Collet, Chloé Vayssade, Alexandra Auguste, Laurence Mouton, Emmanuel Desouhant, Thibaut Malausa, Xavier Fauvergue
Sex determination is ruled by haplodiploidy in Hymenoptera, with haploid males arising from unfertilized eggs and diploid females from fertilized eggs. However, diploid males with null fitness are produced under complementary sex determination (CSD), when individuals are homozygous for this locus. Diploid males are expected to be more frequent in genetically eroded populations (such as islands and captive populations), as genetic diversity at the csd locus should be low. However, only a few studies have focused on the relation between population size, genetic diversity, and the proportion of diploid males in the field...
September 2016: Ecology and Evolution
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