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https://www.readbyqxmd.com/read/28743166/second-tyrosine-kinase-inhibitor-discontinuation-attempt-in-patients-with-chronic-myeloid-leukemia
#1
Laurence Legros, Franck E Nicolini, Gabriel Etienne, Philippe Rousselot, Delphine Rea, Stéphane Giraudier, Agnès Guerci-Bresler, Françoise Huguet, Martine Gardembas, Martine Escoffre, Jean-Christophe Ianotto, Marie-Pierre Noël, Bruno R Varet, Thomas Pagliardini, Irit Touitou, Stéphane Morisset, Francois-Xavier Mahon
BACKGROUND: Several studies have demonstrated that approximately one-half of patients with chronic myeloid leukemia (CML) who receive treatment with tyrosine kinase inhibitors (TKIs) and achieve and maintain a deep molecular response (DMR) are able to successfully discontinue therapy. In patients who have a molecular relapse, a DMR is rapidly regained upon treatment re-initiation. METHODS: The authors report the results from RE-STIM, a French observational, multicenter study that evaluated treatment-free remission (TFR) in 70 patients who re-attempted TKI discontinuation after a first unsuccessful attempt...
July 25, 2017: Cancer
https://www.readbyqxmd.com/read/28743063/glutamate-pathways-of-the-beta-cell-and-the-control-of-insulin-secretion
#2
REVIEW
Pierre Maechler
Pancreatic beta-cells secrete insulin in response to circulating glucose, thereby maintaining euglycemia. Inside the beta-cell, glucose is transformed into intracellular signals stimulating exocytosis. While calcium is an obligatory messenger, this ion is not sufficient to promote the full secretory response. Accordingly, glucose metabolism produces the additive factor glutamate that participates to an amplifying pathway of the calcium signal. Although intracellular glutamate potentiates insulin secretion, extracellular glutamate may activate ionotropic receptors...
July 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28742880/same-day-hiv-testing-with-initiation-of-antiretroviral-therapy-versus-standard-care-for-persons-living-with-hiv-a-randomized-unblinded-trial
#3
Serena P Koenig, Nancy Dorvil, Jessy G Dévieux, Bethany L Hedt-Gauthier, Cynthia Riviere, Mikerlyne Faustin, Kerlyne Lavoile, Christian Perodin, Alexandra Apollon, Limathe Duverger, Margaret L McNairy, Kelly A Hennessey, Ariadne Souroutzidis, Pierre-Yves Cremieux, Patrice Severe, Jean W Pape
BACKGROUND: Attrition during the period from HIV testing to antiretroviral therapy (ART) initiation is high worldwide. We assessed whether same-day HIV testing and ART initiation improves retention and virologic suppression. METHODS AND FINDINGS: We conducted an unblinded, randomized trial of standard ART initiation versus same-day HIV testing and ART initiation among eligible adults ≥18 years old with World Health Organization Stage 1 or 2 disease and CD4 count ≤500 cells/mm3...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28742830/regulatory-effects-of-zinc-on-cadmium-induced-cytotoxicity-in-chronic-inflammation
#4
Paola Bonaventura, Aline Lamboux, Francis Albarède, Pierre Miossec
OBJECTIVES: Zinc (Zn) has major effects on immune system activation while Cadmium (Cd) has anti-inflammatory and anti-proliferative effects in several chronic inflammatory contexts. The aim of this work was to investigate by which mechanisms Zn could compete with Cd and eventually counteract its deleterious effects. Rheumatoid arthritis (RA) synoviocytes exposed to cytokines were used as a model of chronic inflammation; osteoarthritis (OA) synoviocytes were used as control. METHODS: Cell/medium fractionation constants were analyzed for different metals by inductively-coupled-plasma mass-spectrometry by comparison to the 70Zn spike...
2017: PloS One
https://www.readbyqxmd.com/read/28742806/long-term-follow-up-of-pulmonary-function-in-fabry-disease-a-bi-center-observational-study
#5
Daniel P Franzen, Albina Nowak, Sarah R Haile, Dominique Mottet, Marco Bonani, Olivier Dormond, Malcolm Kohler, Pierre A Krayenbuehl, Frederic Barbey
INTRODUCTION: Fabry disease (FD) is a lysosomal storage disorder leading to decreased α-galactosidase A enzyme activity and subsequent abnormal accumulation of glycosphingolipids in various organs. Although histological evidence of lung involvement has been demonstrated, the functional impact of these changes is less clear. MATERIALS AND METHODS: Adult patients with FD who had yearly pulmonary function tests (PFT) at two centers from 1999 thru 2015 were eligible for this observational study...
2017: PloS One
https://www.readbyqxmd.com/read/28742687/the-allosteric-hemoglobin-effector-itpp-inhibits-metastatic-colon-cancer-in-mice
#6
Perparim Limani, Michael Linecker, Marcel A Schneider, Philipp Kron, Christoph Tschuor, Ekaterina Kachaylo, Udo Ungethuem, Claude Nicolau, Jean-Marie Lehn, Rolf Graf, Bostjan Humar, Pierre-Alain Clavien
OBJECTIVE: To test the effects of enhanced intracellular oxygen contents on the metastatic potential of colon cancer. BACKGROUND: Colorectal cancer is the commonest gastrointestinal carcinoma. Distant metastases occur in half of patients and are responsible for most cancer-related deaths. Tumor hypoxia is central to the pathogenesis of metastases. Myo-Inositoltrispyrophosphate (ITPP), a nontoxic, antihypoxic compound, has recently shown significant benefits in experimental cancer, particularly when combined with standard chemotherapy...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742686/bioengineering-a-human-face-graft-the-matrix-of-identity
#7
Jérôme Duisit, Louis Maistriaux, Adriano Taddeo, Giuseppe Orlando, Virginie Joris, Emmanuel Coche, Catherine Behets, Jan Lerut, Chantal Dessy, Giulio Cossu, Esther Vögelin, Robert Rieben, Pierre Gianello, Benoît Lengelé
OBJECTIVE: During the last decade, face allotransplantation has been shown to be a revolutionary reconstructive procedure for severe disfigurements. However, offer to patients remains limited due to lifelong immunosuppression. To move forward in the field, a new pathway in tissue engineering is proposed. BACKGROUND: Our previously reported technique of matrix production of a porcine auricular subunit graft has been translated to a human face model. METHODS: 5 partial and 1 total face grafts were procured from human fresh cadavers...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742622/rational-therapeutic-choice-for-older-patients-with-lymphoma
#8
Dominique Bron, Pierre Soubeyran
PURPOSE OF REVIEW: The choice for an optimal treatment in older lymphoma patients is a real challenge for hemato-oncologists. They have to treat a potentially curative lymphoma, and concomitantly protect their patients from unacceptable toxicities. Some recommendations are provided for the major subtypes of lymphomas including the antitumoral treatment and primarily the optimal supportive care. RECENT FINDINGS: All the recent literature data converge to say that the approach of an older patient with a malignant hemopathy is a multistep procedure...
July 22, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28742258/metabolite-profiling-of-non-sterile-rhizosphere-soil
#9
Pierre Pétriacq, Alex Williams, T E Anne Cotton, Alexander E McFarlane, Stephen A Rolfe, Jurriaan Ton
Rhizosphere chemistry is the sum of root exudation chemicals, their breakdown products and microbial products of soil-derived chemicals. To date, most studies about root exudation chemistry are based on sterile cultivation systems, which limits the discovery of microbial breakdown products that act as semiochemicals and shape microbial rhizosphere communities. Here, we present a method for untargeted metabolic profiling of non-sterile rhizosphere soil. We have developed an experimental growth system that enables collection and analysis of rhizosphere chemicals from different plant species...
July 25, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28742109/young-sprague-dawley-rats-infected-by-plasmodium-berghei-a-relevant-experimental-model-to-study-cerebral-malaria
#10
Sokhna Keita Alassane, Marie-Laure Nicolau-Travers, Sandie Menard, Olivier Andreoletti, Jean-Pierre Cambus, Noémie Gaudre, Myriam Wlodarczyk, Nicolas Blanchard, Antoine Berry, Sarah Abbes, David Colongo, Babacar Faye, Jean-Michel Augereau, Caroline Lacroux, Xavier Iriart, Françoise Benoit-Vical
Cerebral malaria (CM) is the most severe manifestation of human malaria yet is still poorly understood. Mouse models have been developed to address the subject. However, their relevance to mimic human pathogenesis is largely debated. Here we study an alternative cerebral malaria model with an experimental Plasmodium berghei Keyberg 173 (K173) infection in Sprague Dawley rats. As in Human, not all infected subjects showed cerebral malaria, with 45% of the rats exhibiting Experimental Cerebral Malaria (ECM) symptoms while the majority (55%) of the remaining rats developed severe anemia and hyperparasitemia (NoECM)...
2017: PloS One
https://www.readbyqxmd.com/read/28742067/long-term-microdystrophin-gene-therapy-is-effective-in-a-canine-model-of-duchenne-muscular-dystrophy
#11
Caroline Le Guiner, Laurent Servais, Marie Montus, Thibaut Larcher, Bodvaël Fraysse, Sophie Moullec, Marine Allais, Virginie François, Maeva Dutilleul, Alberto Malerba, Taeyoung Koo, Jean-Laurent Thibaut, Béatrice Matot, Marie Devaux, Johanne Le Duff, Jack-Yves Deschamps, Inès Barthelemy, Stéphane Blot, Isabelle Testault, Karim Wahbi, Stéphane Ederhy, Samia Martin, Philippe Veron, Christophe Georger, Takis Athanasopoulos, Carole Masurier, Federico Mingozzi, Pierre Carlier, Bernard Gjata, Jean-Yves Hogrel, Oumeya Adjali, Fulvio Mavilio, Thomas Voit, Philippe Moullier, George Dickson
Duchenne muscular dystrophy (DMD) is an incurable X-linked muscle-wasting disease caused by mutations in the dystrophin gene. Gene therapy using highly functional microdystrophin genes and recombinant adeno-associated virus (rAAV) vectors is an attractive strategy to treat DMD. Here we show that locoregional and systemic delivery of a rAAV2/8 vector expressing a canine microdystrophin (cMD1) is effective in restoring dystrophin expression and stabilizing clinical symptoms in studies performed on a total of 12 treated golden retriever muscular dystrophy (GRMD) dogs...
July 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28741577/comparison-of-new-generation-renal-artery-denervation-systems-assessing-lesion-size-and-thermodynamics-using-a-thermochromic-liquid-crystal-phantom-model
#12
Sara I Al Raisi, Michael T Barry, Pierre Qian, Abhishek Bhaskaran, Jim Pouliopoulos, Pramesh Kovoor
AIM: To evaluate and compare lesion dimensions and thermodynamics of the new generation multi-electrode Symplicity Spyral and the new generation multi-electrode EnligHTN renal artery denervation systems, using a thermochromic liquid crystal phantom model. METHODS AND RESULTS: A previously described renal artery phantom model was used as a platform for radiofrequency ablation. A total of 32 radiofrequency ablations were performed using multi-electrode Symplicity Spyral (n=16) and new generation EnligHTN systems (n=16)...
July 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28741218/asymmetric-pedicle-subtractionosteotomy-apso-guided-by-a-3d-printed-model-to-correct-a-combined-fixed-sagittal-and-coronal-imbalance
#13
Pierre-Pascal Girod, S Hartmann, P Kavakebi, J Obernauer, M Verius, C Thomé
Surgical correction of fixed thoracolumbar deformity is usually achieved by estimating the preoperatively planned correction angles during surgery and is therefore prone to inaccuracy. This is particularly problematic in biplanar deformities. To overcome these difficulties, 3D model for planning, preparation, and simulation of an asymmetric pedicle subtraction osteotomy (aPSO) was printed and used to realign coronal and sagittal balance in case of rigid degenerative kyphoscoliosis. A 59-year-old woman presented with severe back pain and spinal claudication and was diagnosed with a rigid kyphoscoliosis with multilevel spinal stenosis...
July 24, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28741115/the-dtl-erg-electrode-comes-in-different-shapes-and-sizes-are-they-all-good
#14
Jungeun Woo, Suna Jung, Mathieu Gauvin, Pierre Lachapelle
PURPOSE: Although the DTL fiber electrode has been in use in the ERG field for more than four decades, its composition was never clearly defined. We compared five different types of conductive (DTL type) yarn (differing in terms of mass, number of filaments, and crimping degree) in order to determine whether we could identify one that would be better suited for the recording of ERGs. METHODS: Photopic flash ERGs were recorded from five subjects using the following DTL electrodes: 27/7, 22/1, 11/1, 11/1*2, and 22/1*2...
July 24, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28740986/probing-covalency-in-halogen-bonds-through-donor-k-edge-x-ray-absorption-spectroscopy-polyhalides-as-coordination-complexes
#15
Chantal L Mustoe, Mathusan Gunabalasingam, Darren Yu, Brian O Patrick, Pierre Kennepohl
The properties of halogen bonds (XBs) in solid-state I2X(-) and I4X(-) materials (where X = Cl, Br) are explored using donor K-edge X-ray absorption spectroscopy (XAS) to experimentally determine the degree of charge transfer in such XB interactions. The degree of covalency in these bonds is substantial, even in cases where significantly weaker secondary interactions are observed. These data, in concert with previous work in this area, suggests that certain halogen bonds have covalent contributions to bonding that are similar to, and even exceed, those observed in transition metal coordinate bonds...
July 25, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28740849/end-cycle-sow-carcass-condemnation-in-a-french-slaughterhouse
#16
Pierre-Yves Decaudin, Didier Raboisson, Agnès Waret-Szkuta
Surveillance at an abattoir allows all animals or carcasses that present a potential public health risk to be withdrawn from the human food chain. Whole-carcass condemnation results in important economic losses, not only for the producer but also for other participants in the meat industry. Access to the personal electronic database of an abattoir in France enabled us to run logistic regression models to investigate the risk factors for whole-carcass condemnation of end-cycle sows in that abattoir. When end-cycle sows that were slaughtered and eviscerated between 22 June 2015 and 8 December 2015 (185 days) were considered (n = 19,866), the results highlighted the importance of the total theoretical time off feed, which represents the fasting period from leaving the farm of origin to the time of slaughter (including transportation and waiting time at the abattoir)...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28740798/gender-confirmation-surgery-cosmetic-or-reconstructive-procedure
#17
Alexis Laungani, Pierre Brassard
No abstract text is available yet for this article.
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28740664/development-of-a-novel-ex-vivo-porcine-laparoscopic-heller-myotomy-and-nissen-fundoplication-training-model-toronto-lap-nissen-simulator
#18
Hideki Ujiie, Tatsuya Kato, Hsin-Pei Hu, Patrycja Bauer, Priya Patel, Hironobu Wada, Daiyoon Lee, Kosuke Fujino, Colin Schieman, Andrew Pierre, Thomas K Waddell, Shaf Keshavjee, Gail E Darling, Kazuhiro Yasufuku
BACKGROUND: Surgical trainees are required to develop competency in a variety of laparoscopic operations. Developing laparoscopic technical skills can be difficult as there has been a decrease in the number of procedures performed. This study aims to develop an inexpensive and anatomically relevant model for training in laparoscopic foregut procedures. METHODS: An ex vivo, anatomic model of the human upper abdomen was developed using intact porcine esophagus, stomach, diaphragm and spleen...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740470/manual-dexterity-in-schizophrenia-a-neglected-clinical-marker
#19
Maxime Térémetz, Loïc Carment, Lindsay Brénugat-Herne, Marta Croca, Jean-Pierre Bleton, Marie-Odile Krebs, Marc A Maier, Isabelle Amado, Påvel G Lindberg
Impaired manual dexterity is commonly observed in schizophrenia. However, a quantitative description of key sensorimotor components contributing to impaired dexterity is lacking. Whether the key components of dexterity are differentially affected and how they relate to clinical characteristics also remains unclear. We quantified the degree of dexterity in 35 stabilized patients with schizophrenia and in 20 age-matched control subjects using four visuomotor tasks: (i) force tracking to quantify visuomotor precision, (ii) sequential finger tapping to measure motor sequence recall, (iii) single-finger tapping to assess temporal regularity, and (iv) multi-finger tapping to measure independence of finger movements...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28740415/the-extracellular-matrix-of-eggshell-displays-anti-inflammatory-activities-through-nf-%C3%AE%C2%BAb-in-lps-triggered-human-immune-cells
#20
Tram T Vuong, Sissel B Rønning, Henri-Pierre Suso, Ralf Schmidt, Kristian Prydz, Marlene Lundström, Anders Moen, Mona E Pedersen
Avian eggshell membrane (ESM) is a natural biomaterial that has been used as an alternative natural bandage on burned and cut skin injuries for >400 years in Asian countries, and is available in large quantities from egg industries. Our aim was to characterize ESM that was separated and processed from egg waste, and to study whether this material possesses anti-inflammatory properties, making it suitable as an ingredient in industrial production of low cost wound healing products. Our results show that the processed ESM particles retain a fibrous structure similar to that observed for the native membrane, and contain collagen, and carbohydrate components such as hyaluronic acid and sulfated glycosaminoglycans, as well as N-glycans, mostly with uncharged structures...
2017: Journal of Inflammation Research
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