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https://www.readbyqxmd.com/read/28340183/crlf2-positive-b-cell-acute-lymphoblastic-leukemia-in-adult-patients-a-single-institution-experience
#1
Sergej Konoplev, Xinyan Lu, Marina Konopleva, Nitin Jain, Juan Ouyang, Maitrayee Goswami, Kathryn G Roberts, Marc Valentine, Charles G Mullighan, Carlos Bueso-Ramos, Patrick A Zweidler-McKay, Jeffrey L Jorgensen, Sa A Wang
Objectives: Cytokine receptor-like factor 2 ( CRLF2 ) rearrangement is found in approximately 50% of pediatric Ph-like B-cell acute lymphoblastic leukemia (B-ALL), and around 50% of CRLF2 + cases harbor JAK mutations. We analyzed CRLF2 expression and studied its correlation with CRLF2 rearrangement in adult patients with B-ALL. Methods: Multiparameter flow cytometry (MFC) was performed consecutively in 126 patients. Results: CRLF2 overexpression was detected in 30 (27%) patients, 28 (41%) of 69 patients with B-ALL not otherwise specified, 14 (21%) of 67 untreated patients, and 16 (27%) of 59 patients with relapsed B-ALL, with the highest among Hispanic patients (25/55, 45%)...
March 13, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28335478/lactational-stage-of-pasteurized-human-donor-milk-contributes-to-nutrient-limitations-for-infants
#2
Christina J Valentine, Georgia Morrow, Amanda Reisinger, Kelly A Dingess, Ardythe L Morrow, Lynette K Rogers
BACKGROUND: Mother's own milk is the first choice for feeding preterm infants, but when not available, pasteurized human donor milk (PDM) is often used. Infants fed PDM have difficulties maintaining appropriate growth velocities. To assess the most basic elements of nutrition, we tested the hypotheses that fatty acid and amino acid composition of PDM is highly variable and standard pooling practices attenuate variability; however, total nutrients may be limiting without supplementation due to late lactational stage of the milk...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335059/retrospective-evaluation-of-percutaneous-access-for-tevar-and-evar-time-to-make-it-the-standard-approach
#3
Rohit Philip Thomas, Tobias Kowald, Bernhard Schmuck, Osama Eldergash, Andreas Klausen, Valentin Dikov, Jerry Easo, Ajay Chavan
Introduction To evaluate the safety of percutaneous endovascular aortic repair and the relationship of access site characteristics to complications Materials and Methods All patients undergoing percutaneous TEVAR, EVAR and FEVAR procedures from January 2010 to May 2016 were retrospectively analysed for incidence of complications and their relationship to various access site characteristics like access artery size, degree of vessel calcification, skin to artery distance and sheath to artery ratio. Hemostasis occurring within 15 min after suture closure with or without manual compression was defined as primary hemostasis...
April 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28331500/attention-and-executive-function-in-children-diagnosed-with-attention-deficit-hyperactivity-disorder-and-comorbid-disorders
#4
Mariam Ter-Stepanian, Natalie Grizenko, Kim Cornish, Victoria Talwar, Valentin Mbekou, Norbert Schmitz, Ridha Joober
OBJECTIVE: The goal of this study was to examine the relationship between comorbid disorders and executive function (EF) in children diagnosed with Attention Deficit/Hyperactivity Disorder (ADHD). METHODS: Three hundred and fifty-five, 6-12 year old children clinically diagnosed with ADHD were included in the study. Comorbid anxiety disorders, Oppositional Defiant Disorder (ODD) and Conduct Disorder (CD) were examined. The EF domains were assessed using the Conners' Continuous Performance Test (CPT), Wisconsin Card Sorting Test (WCST), Tower of London (ToL), Finger Windows (FW) and Self Ordered Pointing Test (SOPT)...
2017: Journal of the Canadian Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28329397/resveratrol-improves-vascular-function-and-mitochondrial-number-but-not-glucose-metabolism-in-older-adults
#5
Rena M Pollack, Nir Barzilai, Valentin Anghel, Ameya S Kulkarni, Aaron Golden, Pilib O'Broin, David A Sinclair, Michael S Bonkowski, Alexander J Coleville, Danielle Powell, Sharon Kim, Ruin Moaddel, Daniel Stein, Kehao Zhang, Meredith Hawkins, Jill P Crandall
Background: Resveratrol, a plant-derived polyphenol, has been reported to improve glucose metabolism and vascular function and to extend life span in animal models, but studies in humans have been inconclusive. Methods: In a randomized, double-blind crossover study, we treated older glucose-intolerant adults (n = 30) with resveratrol (2-3 g/daily) or placebo, each for 6 weeks. A standard mixed-meal test was used to assess insulin sensitivity (Matsuda index) and secretion (C-peptide deconvolution) and vascular function by reactive hyperemia peripheral arterial tonometry...
March 16, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28327981/long-term-outcome-after-multiple-burr-hole-surgery-in-children-with-moyamoya-angiopathy-a-single-center-experience-in-108-hemispheres
#6
Thomas Blauwblomme, Bertrand Mathon, Olivier Naggara, Manoelle Kossorotoff, Marie Bourgeois, Stéphanie Puget, Philippe Meyer, Valentine Brousse, Marianne de Montalembert, Francis Brunelle, Michel Zerah, Christian Sainte-Rose
BACKGROUND: Multiple burr hole (MBH) surgery is a simple, safe, and effective indirect technique of revascularization in moyamoya angiopathy (MM). However, it is not yet recognized as a first-line treatment. OBJECTIVE: To assess the long-term outcome and perioperative complications in a large single-center cohort of children with MM who underwent burr hole surgery. METHODS: This study is a retrospective analysis of children who underwent surgery for MM in a national reference center for pediatric stroke between 1999 and 2015...
February 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28327501/accurate-determination-of-the-frequency-response-function-of-submerged-and-confined-structures-by-using-pzt-patches%C3%A2
#7
Alexandre Presas, David Valentin, Eduard Egusquiza, Carme Valero, Mònica Egusquiza, Matias Bossio
To accurately determine the dynamic response of a structure is of relevant interest in many engineering applications. Particularly, it is of paramount importance to determine the Frequency Response Function (FRF) for structures subjected to dynamic loads in order to avoid resonance and fatigue problems that can drastically reduce their useful life. One challenging case is the experimental determination of the FRF of submerged and confined structures, such as hydraulic turbines, which are greatly affected by dynamic problems as reported in many cases in the past...
March 22, 2017: Sensors
https://www.readbyqxmd.com/read/28325865/venetoclax-and-obinutuzumab-in-chronic-lymphocytic-leukemia
#8
Kirsten Fischer, Othman Al-Sawaf, Anna-Maria Fink, Mark Dixon, Jasmin Bahlo, Simon Warburton, Thomas J Kipps, Robert Weinkove, Sue Robinson, Till Seiler, Stephen Opat, Carolyn Owen, Javier López, Kathryn Humphrey, Rod Humerickhouse, Eugen Tausch, Lukas Frenzel, Barbara Eichhorst, Clemens-M Wendtner, Stephan Stilgenbauer, Anton W Langerak, Jacque J M van Dongen, Sebastian Boettcher, Matthias Ritgen, Valentin Goede, Mehrdad Mobasher, Michael Hallek
No abstract text is available yet for this article.
March 21, 2017: Blood
https://www.readbyqxmd.com/read/28325299/potent-anti-seizure-effects-of-locked-nucleic-acid-antagomirs-targeting-mir-134-in-multiple-mouse-and-rat-models-of-epilepsy
#9
Cristina R Reschke, Luiz F Almeida Silva, Braxton A Norwood, Ketharini Senthilkumar, Gareth Morris, Amaya Sanz-Rodriguez, Ronán M Conroy, Lara Costard, Valentin Neubert, Sebastian Bauer, Michael A Farrell, Donncha F O'Brien, Norman Delanty, Stephanie Schorge, R Jeroen Pasterkamp, Felix Rosenow, David C Henshall
Current anti-epileptic drugs (AEDs) act on a limited set of neuronal targets, are ineffective in a third of patients with epilepsy, and do not show disease-modifying properties. MicroRNAs are small noncoding RNAs that regulate levels of proteins by post-transcriptional control of mRNA stability and translation. MicroRNA-134 is involved in controlling neuronal microstructure and brain excitability and previous studies showed that intracerebroventricular injections of locked nucleic acid (LNA), cholesterol-tagged antagomirs targeting microRNA-134 (Ant-134) reduced evoked and spontaneous seizures in mouse models of status epilepticus...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28325287/cholesterol-containing-nuclease-resistant-sirna-accumulates-in-tumors-in-a-carrier-free-mode-and-silences-mdr1-gene
#10
Ivan V Chernikov, Daniil V Gladkikh, Mariya I Meschaninova, Alya G Ven'yaminova, Marina A Zenkova, Valentin V Vlassov, Elena L Chernolovskaya
Chemical modifications are an effective way to improve the therapeutic properties of small interfering RNAs (siRNAs), making them more resistant to degradation in serum and ensuring their delivery to target cells and tissues. Here, we studied the carrier-free biodistribution and biological activity of a nuclease-resistant anti-MDR1 cholesterol-siRNA conjugate in healthy and tumor-bearing severe combined immune deficiency (SCID) mice. The attachment of cholesterol to siRNA provided its efficient accumulation in the liver and in tumors, and reduced its retention in the kidneys after intravenous and intraperitoneal injection...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28321937/ultrafine-particles-and-black-carbon-personal-exposures-in-asthmatic-and-non-asthmatic-children-at-school-age
#11
Pau Pañella, Maribel Casas, David Donaire-Gonzalez, Raquel Garcia-Esteban, Oliver Robinson, Antònia Valentín, John Gulliver, Isabelle Momas, Mark Nieuwenhuijsen, Martine Vrijheid, Jordi Sunyer
Traffic-related air pollution (TRAP) exposure during childhood is associated with asthma; however, the contribution of the different TRAP pollutants in each microenvironment (home, school, transportation, others) in asthmatic and non-asthmatic children is unknown. Daily (24 h) personal black carbon (BC), ultrafine particles (UFP), and alveolar lung deposited surface area (LDSA) individual exposure measurements were obtained from 100 children (29 past and 21 current asthmatics, 50 non-asthmatics) aged 9±0.7 years from the INMA-Sabadell cohort (Catalonia, Spain)...
March 20, 2017: Indoor Air
https://www.readbyqxmd.com/read/28321121/dnmt3a-regulates-t-cell-development-and-suppresses-t-all-transformation
#12
A C Kramer, A Kothari, W C Wilson, H Celik, J Nikitas, C Mallaney, E L Ostrander, E Eultgen, A Martens, M C Valentine, A L Young, T E Druley, M E Figueroa, B Zhang, G A Challen
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematopoietic neoplasm resulting from the malignant transformation of T-cell progenitors, and comprises approximately 15 and 25% of pediatric and adult ALL cases respectively. It is well-established that activating NOTCH1 mutations are the major genetic lesions driving T-ALL in most patients, but efforts to develop targeted therapies against this pathway have produced limited success in decreasing leukemic burden and come with significant clinical side effects...
March 21, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28318083/dienophile-modified-mannosamine-derivatives-for-metabolic-labeling-of-sialic-acids-a-comparative-study
#13
Jeremias E G A Dold, Jessica Pfotzer, Anne-Katrin Späte, Valentin Wittmann
Sialic acids play an important role in numerous cell adhesion processes and sialylation levels are known to be altered under certain pathogenic conditions such as cancer. Metabolic glycoengineering with mannosamine derivatives is a convenient way to introduce non-natural chemical reporter groups into sialylated glycoconjugates offering the opportunity to label sialic acids using bioorthogonal ligation chemistry. The labeling intensity not only depends on the rate of the ligation reaction but also on the extent to which the natural sialic acids are replaced by the modified ones, i...
March 20, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28315238/comprehensive-gas-phase-peptide-ion-structure-studies-using-ion-mobility-techniques-part-2-gas-phase-hydrogen-deuterium-exchange-for-ion-population-estimation
#14
Mahdiar Khakinejad, Samaneh Ghassabi Kondalaji, Amirmahdi Tafreshian, Stephen J Valentine
Gas-phase hydrogen/deuterium exchange (HDX) using D2O reagent and collision cross-section (CCS) measurements are utilized to monitor the ion conformers of the model peptide acetyl-PAAAAKAAAAKAAAAKAAAAK. The measurements are carried out on a home-built ion mobility instrument coupled to a linear ion trap mass spectrometer containing electron transfer dissociation (ETD) capabilities. ETD is utilized to obtain per-residue deuterium uptake data for select ion conformers, and a new algorithm is presented for interpreting the HDX data...
March 17, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28315021/clinical-strains-of-streptococcus-agalactiae-carry-two-different-variants-of-pathogenicity-island-xii
#15
Eugenia Kuleshevich, Joseph Ferretti, Ilda Santos Sanches, Natesan Balasubramanian, Barbara Spellerberg, Androulla Efstratiou, Paula Kriz, Kornelia Grabovskaya, Olga Arjanova, Alevtina Savitcheva, Valentin Shevchenko, Anton Rysev, Alexander Suvorov
Streptococcus agalactiae or Group B streptococci (GBS) are a common cause of serious diseases of newborns and adults. GBS pathogenicity largely depends on genes located on the accessory genome including several pathogenicity islands (PAI). The present paper is focused on the structure and molecular epidemiological analysis of one of the GBS pathogenicity islands-the pathogenicity island PAI XII (Glaser et al. Mol Microbiol 45(6):1499-1513, 2002). This PAI was found to be composed of three different mobile genetic elements: a composite transposon (PAI-C), a genomic islet (PAI-B), and a pathogenicity island associated with gene sspB1 (PAI-A)...
March 18, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28314376/electrochemical-quantification-of-extracellular-local-h2o2-kinetics-originating-from-single-cells
#16
Monika Bozem, Phillip Knapp, Valentin Mirceski, Ewa Slowik, Ivan Bogeski, Reinhard Kappl, Christian Heinemann, Markus Hoth
AIMS: H2O2 is produced by all eukaryotic cells under physiological and pathological conditions. Due to its enormous relevance for cell signaling at low concentrations and anti-pathogenic function at high concentrations, precise quantification of extracellular local H2O2 concentrations ([H2O2]) originating from single cells is required. RESULTS: Using a scanning electrochemical microscope and bare platinum disk ultramicroelectrodes, we established sensitive long term measurements of extracellular [H2O2] kinetics originating from single primary human monocytes ex vivo...
March 17, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28304162/rational-design-synthesis-and-biological-evaluation-of-heterocyclic-quinolones-targeting-the-respiratory-chain-of-mycobacterium-tuberculosis
#17
Weiqian David Hong, Peter D Gibbons, Suet C Leung, Richard Amewu, Paul A Stocks, Andrew Valentine Stachulski, Pedro C Horta, Maria Lurdes Santos Cristiano, Alison E Shone, Darren Moss, Alison Ardrey, Raman Sharma, Ashley J Warman, Paul T P Bedingfield, Nicholas E Fisher, Ghaith Aljayyoussi, Sally Mead, Maxine Caws, Neil G Berry, Stephen A Ward, Giancarlo A Biagini, Paul M O'Neill, Gemma Louise Nixon
A High-throughput screen (HTS) was undertaken against the respiratory chain dehydrogenase component, NADH:menaquinone oxidoreductase (Ndh) of Mycobacterium tuberculosis (Mtb). 11,000 compounds were selected for the HTS based on the known phenothiazine Ndh inhibitors, trifluoperazine and thioridazine. Combined HTS (11,000 compounds) and in-house screening of a limited number of quinolones (50 compounds) identified ~100 hits and four distinct chemotypes, the most promising of which contained the quinolone core...
March 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28302548/availability-use-and-barriers-to-cardiac-rehabilitation-in-lmic
#18
Loheetha Ragupathi, Judy Stribling, Yuliya Yakunina, Valentin Fuster, Mary Ann McLaughlin, Rajesh Vedanthan
BACKGROUND: Cardiac rehabilitation (CR) is a cornerstone of secondary prevention of ischemic heart disease. It is critically important in low- and middle-income countries (LMIC), where the burden of ischemic heart disease is substantial and growing. However, the availability and utilization of CR in LMIC is not systematically known. OBJECTIVES: This study sought to characterize the availability, use, and barriers to the use of CR. METHODS: Electronic databases (Cochrane Library, EMBASE, PubMed, Web of Science) were searched from January 1, 1980 to May 31, 2013 for articles on CR in LMIC...
March 13, 2017: Global Heart
https://www.readbyqxmd.com/read/28301455/-characteristics-of-communication-systems-of-suspected-occupational-disease-in-the-autonomous-communities-spain
#19
Montserrat García Gómez, Félix Urbaneja Arrúe, Vega García López, Valentín Estaban Buedo, Valentín Rodríguez Suárez, Lourdes Miralles Martínez-Portillo, Isabel González García, Josefa Egea Garcia, Emma Corraliza Infanzon, Laura Ramírez Salvador, Santiago Briz Blázquez, Ricard Armengol Rosell, José María Cisnal Gredilla, Juan Francisco Correa Rodríguez, Mª Rosario Díaz Peral, Mercedes Elvira Espinosa, Iñigo Fernández Fernández, Eduardo García-Ramos Alonso, Nieves Martínez Arguisuelas, Ana Isabel Rivas Pérez, Juan Carlos Coto Fernández
BACKGROUND: There are several initiatives to develop systems for the notification of suspected occupational disease (OD) in different autonomous communities. The objective was to describe the status of development and characteristics of these systems implemented by the health authorities. METHODS: A cross-sectional descriptive study was carried out on the existence of systems for the information and surveillance of suspected OD, their legal framework, responsible institution and availability of information...
March 17, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28298397/predictors-of-obstructive-sleep-apnoea-in-patients-admitted-for-acute-coronary-syndrome
#20
Jordi de Batlle, Cecilia Turino, Alicia Sánchez-de-la-Torre, Jorge Abad, Joaquín Duran-Cantolla, R Douglas McEvoy, Nick A Antic, Olga Mediano, Valentín Cabriada, Maria José Masdeu, Joaquín Teran, Joan Valls, Ferran Barbé, Manuel Sánchez-de-la-Torre
Identifying undiagnosed obstructive sleep apnoea (OSA) patients in cardiovascular clinics could improve their management. Aiming to build an OSA predictive model, a broad analysis of clinical variables was performed in a cohort of acute coronary syndrome (ACS) patients.Sociodemographic, anthropometric, life-style and pharmacological variables were recorded. Clinical measures included blood pressure, electrocardiography, echocardiography, blood count, troponin levels and a metabolic panel. OSA was diagnosed using respiratory polygraphy...
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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