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https://www.readbyqxmd.com/read/28738258/open-label-multicentre-randomised-phase-ii-study-of-the-epssg-and-the-itcc-evaluating-the-addition-of-bevacizumab-to-chemotherapy-in-childhood-and-adolescent-patients-with-metastatic-soft-tissue-sarcoma-the-bernie-study
#1
Julia C Chisholm, Johannes H M Merks, Michela Casanova, Gianni Bisogno, Daniel Orbach, Jean-Claude Gentet, Anne-Sophie Thomassin-Defachelles, Pascal Chastagner, Stephen Lowis, Milind Ronghe, Kieran McHugh, Rick R van Rijn, Magalie Hilton, Jeanette Bachir, Sabine Fürst-Recktenwald, Birgit Geoerger, Odile Oberlin
PURPOSE: We evaluated the role of bevacizumab as part of the multi-modality treatment of children and adolescents with metastatic rhabdomyosarcoma (RMS) or non-rhabdomyosarcoma soft tissue sarcoma (NRSTS). PATIENTS AND METHODS: Eligible patients aged ≥6 months to <18 years were randomised to receive induction chemotherapy (four cycles of IVADo + five cycles of IVA, ±bevacizumab), surgery and/or radiotherapy, followed by maintenance chemotherapy (12 cycles of low-dose cyclophosphamide + vinorelbine, ±bevacizumab)...
July 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28733660/probing-low-energy-hyperbolic-polaritons-in-van-der-waals-crystals-with-an-electron-microscope
#2
Alexander A Govyadinov, Andrea Konečná, Andrey Chuvilin, Saül Vélez, Irene Dolado, Alexey Y Nikitin, Sergei Lopatin, Fèlix Casanova, Luis E Hueso, Javier Aizpurua, Rainer Hillenbrand
Van der Waals materials exhibit intriguing structural, electronic, and photonic properties. Electron energy loss spectroscopy within scanning transmission electron microscopy allows for nanoscale mapping of such properties. However, its detection is typically limited to energy losses in the eV range-too large for probing low-energy excitations such as phonons or mid-infrared plasmons. Here, we adapt a conventional instrument to probe energy loss down to 100 meV, and map phononic states in hexagonal boron nitride, a representative van der Waals material...
July 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28732827/the-variability-of-respiratory-symptoms-and-associated-factors-in-copd
#3
Marc Miravitlles, José Luis Izquierdo, Cristina Esquinas, Maite Pérez, Myriam Calle, José Luis López-Campos, José Miguel Rodríguez González-Moro, Ciro Casanova, Cristóbal Esteban, Pilar de Lucas
Few studies have investigated the variability of COPD-related symptoms or factors related to symptom variability. This observational, prospective, multicentre study was conducted to describe the number and intensity of morning and night-time respiratory symptoms and their variability over one week using the Night-time and Early Morning Symptoms of COPD Instruments (NiSCI and EMSCI) to evaluate stable COPD patients. Logistic regression analyses were performed to investigate factors associated with symptom variability...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28730196/photosensitization-mechanism-of-cu-ii-porphyrins
#4
Jon Uranga, Jon M Matxain, Xabier Lopez, Jesus M Ugalde, David Casanova
This work presents the mechanism of the photoinduced generation of reactive oxygen species (ROS) by paramagnetic copper porphyrins in aqueous solution. Electronic structure calculations within the framework of the (time-dependent) density functional theory, (TD)DFT, reveal the details regarding the development of the atomistic and electronic structures of the copper porphyrin in solution along the set of chemical reactions accessible upon photoactivation. This study identifies the key parameters controlling the feasibility of the various reaction pathways that drive the formation of specific reactive oxygen species, ROS, i...
July 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28724197/discrimination-and-characterization-of-two-mediterranean-species-from-the-laurencia-complex-rhodomelacea-using-an-nmr-based-metabolomic-approach
#5
Sylvain Sutour, Hélène Esselin, Ange Bighelli, Joseph Casanova, Line Le Gall, Félix Tomi
Generic and specific determination among the Laurencia complex is a challenging task. DNA barcoding combined with phenotypic investigations are mandatory for species differentiation. In this study, two morphologically different members of the Laurencia complex were investigated using untargeted (1) H NMR-based metabolomics. Twenty-one population samples were collected in order to evaluate both temporal and geographical homogeneity. Data obtained from (1) H NMR analysis followed by statistical analysis allowed a clear separation of all the samples into two groups...
July 19, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28723869/chronic-disseminated-salmonellosis-in-a-patient-with-interleukin-12p40-deficiency
#6
Emadia Mohammad Alaki, Fahad Aljobair, Faisal Alaklobi, Mobarak Al Shamrani, Fahad Al-Zahim, Aziza Dongues, Jean-Laurent Casanova
Interleukin (IL)-12 is composed of p35 and p40 subunit, in this case IL-12p40 deficiency is a rare genetic etiology of Mendelian susceptibility to mycobacterial disease (MSMD). Salmonellosis has been reported in almost half of these patients and mostly present in recurrent extra intestinal form. In this report, we described an 18 month old boy with absence of IL12p40 production suffering from chronic disseminated non-typhoidal salmonellosis. To the best of our knowledge this is the first reported case.
July 18, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28718423/angiogenesis-and-metabolism-entwined-for-therapy-resistance
#7
REVIEW
Gabriela Jiménez-Valerio, Oriol Casanovas
Angiogenesis and metabolism are entwined processes that permit tumor growth and progression. Blood vessel supply is necessary for tumor survival not only by providing oxygen and nutrients for anabolism but also by removing waste products from cellular metabolism. On the other hand, blocking angiogenesis with antiangiogenic therapies shows clinical benefits in treating several tumor types. Nevertheless, resistance to therapy emerges over time. In this review we discuss a novel mechanism of adaptive resistance involving metabolic adaptation of tumor cells, and we also provide examples of tumor adaptation to therapy, which may represent a new mechanism of resistance in several types of cancer...
January 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28710860/coupling-the-pretreatment-and-hydrolysis-of-lignocellulosic-biomass-by-the-expression-of-beta-xylosidases
#8
Lucía Martín Pérez, Laura Benítez Casanova, Antonio Javier Moreno Pérez, Dolores Pérez Gómez, Sandra Gavaldá Martín, Laura Ledesma-García, Noelia Valbuena, Bruno Díez García, Francisco Manuel Reyes-Sosa
Thermochemical pretreatment and enzymatic hydrolysis are the areas contributing most to the operational costs of second generation ethanol in lignocellulosic biorefineries. The improvement of lignocellulosic enzyme cocktails has been significant in the recent years. Although the needs for the reduction of the energy intensity and chemical consumption in the pretreatment step are well known, the reduction of the severity of the process strongly affects the enzymatic hydrolysis yield. To explore the formulation requirements of the well known cellulolytic cocktail from Myceliophthora thermophila on mild pretreated raw materials, this cocktail was tested on steam exploded corn stover without acid impregnation...
July 15, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28693739/links-between-patterns-of-embryonic-spinal-cord-development-and-schizophrenia-risk
#9
Emily L Casanova
No abstract text is available yet for this article.
August 1, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28689824/extra-articular-shoulder-resections-outcomes-of-54-patients
#10
Andrea Angelini, Andreas F Mavrogenis, Giulia Trovarelli, Elisa Pala, Pablo Arbelaez, Josè Casanova, Antonio Berizzi, Pietro Ruggieri
BACKGROUND: The survival of patients with tumors around the shoulder treated with extra-articular resection, the rates of reconstructions-related complications, and the function of the shoulder cannot be estimated because of limited available data from mainly small published related series and case reports. METHODS: We studied 54 patients with tumors around the shoulder treated with extra-articular shoulder resections and proximal humeral megaprosthetic reconstructions from 1985 to 2012...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28687326/cellular-origin-of-intrinsic-optical-signals-in-the-rabbit-retina
#11
A Naderian, L Bussières, S Thomas, F Lesage, C Casanova
Optical imaging of retinal intrinsic signals is a relatively new method that provides spatiotemporal patterns of retinal activity through activity-dependent changes in light reflectance of the retina. The exact physiological mechanisms at the origin of retinal intrinsic signals are poorly understood and there are significant inter-species differences in their characteristics and cellular origins. In this study, we re-examined this issue through pharmacological dissection of retinal intrinsic signals in the rabbit with simultaneous ERG recordings...
July 13, 2017: Vision Research
https://www.readbyqxmd.com/read/28679735/hematopoietic-stem-cell-transplantation-in-29-patients-hemizygous-for-hypomorphic-ikbkg-nemo-mutations
#12
Charline Miot, Kohsuke Imai, Chihaya Imai, Anthony J Mancini, Zeynep Yesim Kucuk, Tokomki Kawai, Ryuta Nishikomori, Etsuro Ito, Isabelle Pellier, Sophie Dupuis Girod, Jeremie Rosain, Shinya Sasaki, Shanmuganathan Chandrakasan, Jana Pachlopnik Schmid, Tsubasa Okano, Estelle Colin, Alberto Olaya-Vargas, Marco Yamazaki-Nakashimada, Waseem Qasim, Sara Espinosa Padilla, Andrea Jones, Alfons Krol, Nyree Cole, Stephen Jolles, Jack Bleesing, Thomas Vraetz, Andrew R Gennery, Mario Abinun, Tayfun Güngör, Beatriz Costa-Carvalho, Antonio Condino-Neto, Paul Veys, Steven M Holland, Gulbu Uzel, Despina Moshous, Benedicte Neven, Stéphane Blanche, Stephan Ehl, Rainer Döffinger, Smita Y Patel, Anne Puel, Jacinta Bustamante, Erwin W Gelfand, Jean-Laurent Casanova, Jordan S Orange, Capucine Picard
X-linked recessive ectodermal dysplasia (EDA) with immunodeficiency (XR-EDA-ID) is a rare primary immunodeficiency (PID) caused by hypomorphic mutations of the IKBKG gene encoding the NEMO protein. This condition displays enormous allelic, immunological, and clinical heterogeneity, and therapeutic decisions are difficult because NEMO operates in both hematopoietic and non-hematopoietic cells. Hematopoietic stem cell transplantation (HSCT) is potentially life-saving, but the small number of case reports available suggests that it has been reserved for only the most severe cases...
July 5, 2017: Blood
https://www.readbyqxmd.com/read/28677575/from-class-waivers-to-precision-medicine-in-paediatric-oncology
#13
REVIEW
Andrew D J Pearson, Stefan M Pfister, Andre Baruchel, Jean-Pierre Bourquin, Michela Casanova, Louis Chesler, François Doz, Angelika Eggert, Birgit Geoerger, David T W Jones, Pamela R Kearns, Jan J Molenaar, Bruce Morland, Gudrun Schleiermacher, Johannes H Schulte, Josef Vormoor, Lynley V Marshall, C Michel Zwaan, Gilles Vassal
New drugs are crucially needed for children with cancer. The European Paediatric Regulation facilitates paediatric class waivers for drugs developed for diseases only occurring in adults. In this Review, we retrospectively searched oncology drugs that were class waivered between June, 2012, and June, 2015. 147 oncology class waivers were confirmed for 89 drugs. Mechanisms of action were then assessed as potential paediatric therapeutic targets by both a literature search and an expert review. 48 (54%) of the 89 class-waivered drugs had a mechanisms of action warranting paediatric development...
July 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28676085/nasal-administration-of-the-neuroprotective-candidate-neuroepo-to-healthy-volunteers-a-randomized-parallel-open-label-safety-study
#14
Orestes Santos-Morales, Alina Díaz-Machado, Daise Jiménez-Rodríguez, Yaisel Pomares-Iturralde, Tatiana Festary-Casanovas, Carlos A González-Delgado, Sonia Pérez-Rodríguez, Eulalia Alfonso-Muñoz, Carmen Viada-González, Patricia Piedra-Sierra, Idrian García-García, Daniel Amaro-González, Julio César García-Rodríguez, Iliana Sosa-Testé, Alicia Lagarto-Parra, Laura Barrero-Viera, Marlene David-Baldo, Maura Tamayo-Rodríguez, Ivonne Rivero-Vázquez, Gricel González-Gamiz, Alis Martín-Trujillo, Yasmila Rodríguez-Fernández, Ana Alfa Ledo-de la Luz, Maylén Álvarez-Delgado, Ivón Howland-Álvarez, Yolanda Cruz-Gómez
BACKGROUND: Delivery of therapeutic agents as erythropoietin (EPO) into Central Nervous System through intranasal route could benefit patients with neurological disorders. A new nasal formulation containing a non-hematopoietic recombinant EPO (NeuroEPO) has shown neuroprotective actions in preclinical models. In the current study, the safety of NeuroEPO was evaluated for the first time in humans. METHODS: A phase I, randomized, parallel, open-label study was carried out in healthy volunteers...
July 4, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28675259/review-of-the-novelties-from-the-32nd-ectrims-congress-2016-presented-at-the-9th-post-ectrims-meeting-ii
#15
REVIEW
O Fernandez, A Oterino, C Oreja-Guevara, J M Prieto, M M Mendibe-Bilbao, J A Garcia-Merino, Ll Ramio-Torrenta, R Ginestal, J E Meca-Lallana, L Romero-Pinel, D Munoz, P Oliva-Nacarino, M C Calles-Hernandez, G Izquierdo, M L Martinez-Gines, A Saiz, M Comabella, B Casanova-Estruch, Ll Brieva, R Arroyo, A Rodriguez-Antiguedad
For the ninth year in a row the Post-ECTRIMS Meeting has been held in Madrid (Spain) with the aim of presenting and discussing the hottest issues debated at the ECTRIMS Congress by renowned specialists in multiple sclerosis in our country. One outcome of this scientific activity, endorsed by the Spanish Neurology Society, is this review article, which is published in two parts. This second part reflects the current controversy over the management of multiple sclerosis, especially as regards the progressive forms and their differential diagnosis...
July 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28674062/mitochondrial-toxicity-of-linezolid-in-blood-cells-and-skin-nerve-fibers-influence-of-mitochondrial-genetics
#16
G Garrabou, À Soriano, T Pinós, J Casanova-Mollà, D Pacheu-Grau, C Morén, E García-Arumí, M Morales, E Ruiz-Pesini, M Catalán-Garcia, J C Milisenda, E Lozano, A L Andreu, J Montoya, J Mensa, F Cardellach
Background: The antibiotic linezolid is a ribosomal inhibitor with excellent efficacy. Despite reduction in the administration period to 28 days, side effects usually of hematologic or neuropathic origin are still reported due to secondary inhibition of mitochondrial protein synthesis. Susceptibility to linezolid toxicity remains unknown.Objective: To understand clinical heterogenicity in response to identical linezolid exposition through the exhaustive examination of the molecular basis of tissue-dependent mitotoxicity, derived cell dysfunction and mitochondrial genetic association to adverse effects of linezolid under the recommended period of administration...
July 3, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28665473/winners-cup-a-national-football-tournament-brings-together-adolescent-patients-with-cancer-from-all-over-italy
#17
Matteo Silva, Marco Chisari, Stefano Signoroni, Alberto Bassani, Luca Tagliabue, Angelo Ricci, Mirco Daversa, Massimo Achini, Filippo Spreafico, Michele Murelli, Giuseppe Maria Milano, Gianni Bisogno, Luca Coccoli, Massimo Conte, Alberto Garaventa, Paolo Indolfi, Silverio Perrotta, Marco Spinelli, Federico Mercolini, Pietro Soloni, Marta Pierobon, Andrea Di Cataldo, Teresa Perillo, Maurizio Mascarin, Elisa Coassin, Laura Veneroni, Michela Casanova, Maura Massimino, Andrea Ferrari
Società Scientifiche Italiane Insieme per gli Adolescenti con Malattie Onco-ematologiche (SIAMO) is an Italian nationwide scheme that focuses on adolescent patients with cancer. Some of its activities include promoting dedicated local projects at the various oncology centers all over the country and organizing events to improve awareness regarding cancer in adolescence. It is with these aims in mind that it organized the Winners' Cup, a football tournament between Italian adolescents who had (or had had) pediatric cancers...
June 26, 2017: Tumori
https://www.readbyqxmd.com/read/28663891/pre-clinical-longitudinal-monitoring-of-hemodynamic-response-to-anti-vascular-chemotherapy-by-hybrid-diffuse-optics
#18
Parisa Farzam, Johannes Johansson, Miguel Mireles, Gabriela Jiménez-Valerio, Mar Martínez-Lozano, Regine Choe, Oriol Casanovas, Turgut Durduran
The longitudinal effect of an anti-vascular endothelial growth factor receptor 2 (VEGFR-2) antibody (DC 101) therapy on a xenografted renal cell carcinoma (RCC) mouse model was monitored using hybrid diffuse optics. Two groups of immunosuppressed male nude mice (seven treated, seven controls) were measured. Tumor microvascular blood flow, total hemoglobin concentration and blood oxygenation were investigated as potential biomarkers for the monitoring of the therapy effect twice a week and were related to the final treatment outcome...
May 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28660242/bacterial-autophagy-offense-and-defense-at-the-host-pathogen-interface
#19
REVIEW
James E Casanova
Autophagy is a fundamental cellular process used for the turnover and recycling of cytosolic components and damaged organelles. Originally characterized as a response to cellular stress, it now is well established that autophagy also is used as a defensive mechanism to combat the infection of host cells by intracellular pathogens. However, although this defensive strategy does limit the proliferation of most pathogens within their host cells, successful pathogens have evolved countermeasures that subvert or circumvent the autophagic response...
September 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28659730/acute-selective-bioactivity-of-grape-seed-proanthocyanidins-on-enteroendocrine-secretions-in-the-gastrointestinal-tract
#20
Àngela Casanova-Martí, Joan Serrano, M Teresa Blay, Ximena Terra, Anna Ardévol, Montserrat Pinent
Background: Enteroendocrine cells respond to food components by secreting an array of hormones that regulate several functions. We have previously shown that grape seed proanthocyanidins (GSPE) modulate GLP-1 levels. Objective: To deepen on the knowledge of the mechanisms used by GSPE to increase GLP-1, and extend it to its role at modulation of other enterohormones. Design: We used an ex vivo system to test direct modulation of enterohormones; STC-1 cells to test pure phenolic compounds; and rats to test the effects at different gastrointestinal segments...
2017: Food & Nutrition Research
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