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https://www.readbyqxmd.com/read/28103640/addition-of-cladribine-to-the-standard-induction-treatment-improves-outcomes-in-a-subset-of-elderly-aml-patients-results-of-a-randomized-polish-adult-leukemia-group-palg-phase-ii-trial
#1
Agnieszka Pluta, Tadeusz Robak, Agata Wrzesien-Kus, Bozena Katarzyna Budziszewska, Kazimierz Sulek, Ewa Wawrzyniak, Magdalena Czemerska, Malgorzata Zwolinska, Aleksandra Golos, Aleksandra Holowiecka-Goral, Slawomira Kyrcz-Krzemien, Jaroslaw Piszcz, Janusz Kloczko, Monika Mordak-Domagala, Andrzej Lange, Małgorzata Razny, Krzysztof Madry, Wieslaw Wiktor-Jedrzejczak, Sebastian Grosicki, Aleksandra Butrym, Kazimierz Kuliczkowski, Krzysztof Warzocha, Jerzy Holowiecki, Sebastian Giebel, Richard Szydlo, Agnieszka Wierzbowska
Intensive induction chemotherapy using anthracycline and cytarabine backbone is considered the most effective upfront therapy in physically fit older patients with acute myeloid leukemia (AML). However, outcomes of the standard induction in elderly AML are inferior to those observed in younger patients and they are still unsatisfactory. As addition of cladribine to the standard induction therapy is known to improve outcome in younger AML patients, the present randomized phase II study compares efficacy and toxicity of the DAC (daunorubicin plus cytarabine plus cladribine) regimen with the standard DA (daunorubicin plus cytarabine) regimen in the newly diagnosed AML patients over 60 years of age...
January 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28103615/radiation-induced-lung-metastasis-development-is-mt1-mmp-dependent-in-a-triple-negative-breast-cancer-mouse-model
#2
Gina Bouchard, Hélène Therriault, Sameh Geha, Rachel Bujold, Caroline Saucier, Benoit Paquette
BACKGROUND: The prognosis of triple-negative breast cancer (TNBC) is still difficult to establish. Some TNBC benefit from radiotherapy (RT) and are cured, while in other patients metastases appear during the first 3 years after treatment. In this study, an animal model of TNBC was used to determine whether the expression of the cell membrane protease MT1-MMP in cancer cells was associated with radiation-stimulated development of lung metastases. METHODS: Using invasion chambers, irradiated fibroblasts were used as chemoattractants to assess the invasiveness of TNBC D2A1 cell lines showing downregulated expression of MT1-MMP, which were compared with D2A1-wt (wild-type) and D2A1 shMT1-mock (empty vector) cell lines...
January 19, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28103597/psychophysiological-effects-of-a-single-short-and-moderately-bright-room-light-exposure-on-mildly-depressed-geriatric-inpatients-a-pilot-study
#3
Markus Canazei, Wilfried Pohl, Kathrin Bauernhofer, Ilona Papousek, Helmut K Lackner, Harald R Bliem, Josef Marksteiner, Elisabeth M Weiss
BACKGROUND: Light interventions typically exert their mood-related effects during morning bright light exposures over several weeks. Evidence about immediate ambient room light effects on depressed individuals is still sparse. OBJECTIVE: The present study aimed at examining the acute effects of a single moderately bright room light exposure on mood, and behavioural and cardiac stress reactions of mildly depressed geriatric inpatients during a short cognitive stimulation and while resting...
January 20, 2017: Gerontology
https://www.readbyqxmd.com/read/28103549/cardiac-image-reconstruction-via-non-linear-motion-correction-based-on-partial-angle-reconstructed-images
#4
Seungeon Kim, Yongjin Chang, Jong Beom Ra
Even though the X-ray CT scan is considered suitable for fast imaging, motion-artifact-free cardiac imaging is still an important issue because the gantry rotation speed is not fast enough compared with the heart motion. To obtain a heart image with less motion artifacts, a motion estimation (ME) and motion compensation (MC) approach is usually adopted. In this paper, we propose a ME/MC algorithm that can estimate a non-linear heart motion model from a sinogram with a rotation angle of less than 360°. In this algorithm, we first assume the heart motion to be non-rigid but linear, and thereby estimate an initial 4D motion vector field (MVF) during a half rotation by using conjugate partial angle reconstructed images, as in our previous ME/MC algorithm...
January 17, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28103510/exo-organoplasty-interventions-a-brief-review-of-past-present-and-future-directions-for-advance-heart-failure-management
#5
REVIEW
Waqas Nawaz, Farhan Ullah Khan, Muhammad Zahid Khan, Wang Gang, Mengqi Yang, Xiaoqian Liao, Li Zhang, Awais Ullah Ihsan, Amjad Khan, Lei Han, Xiaohui Zhou
Heart failure (HF) is a debilitating disease in which abnormal function of the heart leads to imbalance of blood demand to tissues and organs. The pathogenesis of HF is very complex and various factors can contribute including myocardial infarction, ischemia, hypertension and genetic cardiomyopathies. HF is the leading cause of death and its prevalence is expected to increase in parallel with the population age. Different kind of therapeutic approaches including lifestyle modification, medication and pacemakers are used for HF patients in NYHA I-III functional class...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28103497/host-microbiota-interactions-epigenomic-regulation
#6
REVIEW
Vivienne Woo, Theresa Alenghat
The coevolution of mammalian hosts and their commensal microbiota has led to the development of complex symbiotic relationships between resident microbes and mammalian cells. Epigenomic modifications enable host cells to alter gene expression without modifying the genetic code, and therefore represent potent mechanisms by which mammalian cells can transcriptionally respond, transiently or stably, to environmental cues. Advances in genome-wide approaches are accelerating our appreciation of microbial influences on host physiology, and increasing evidence highlights that epigenomics represent a level of regulation by which the host integrates and responds to microbial signals...
January 16, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28103455/-epidemiological-and-demographic-characteristics-of-patients-with-head-and-neck-tumours-in-the-northern-portugal-impact-on-survival
#7
Roberto Estêvão, Tiago Santos, Ana Ferreira, Anabela Machado, João Fernandes, Eurico Monteiro
INTRODUCTION: In Portugal there are still no epidemiological and demographic studies conducted in patients with of the head and neck tumors. The objectives of this analysis are to describe the epidemiological and demographics of patients with malignant tumors of the head and neck referred to an Ear, Nose and Throat department of an oncology center in the North of Portugal and also assess the impact of these characteristics on survival. MATERIAL AND METHODS: Retrospective study of patients referred between January 2011 and December 2013 to the Ear, Nose and Throat Department of an oncology center (Instituto Português de Oncologia do Porto),...
October 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28103449/anatomical-templates-of-lymph-node-dissection-for-upper-tract-urothelial-carcinoma-a-systematic-review-of-the-literature
#8
R Campi, A Minervini, A Mari, G Hatzichristodoulou, F Sessa, A Lapini, M Sessa, J E Gschwend, S Serni, M Roscigno, M Carini
Indications and techniques of lymph node dissection (LND) for upper tract urothelial carcinoma (UTUC) are still controversial. Areas Covered: In this study, a systematic review of the English-language literature was performed up to July 1, 2016 using the Medline, Scopus, Cochrane Library and Web of Sciences databases to provide a detailed overview of the most commonly dissected surgical templates of LND for UTUC according to laterality and location of the tumor. Overall, sixteen studies were analyzed. Based on the shared experiences in the scientific literature, the LND template typically included: for right-sided tumors of the renal pelvis, upper third and middle third of the ureter, the renal hilar, paracaval, precaval and retrocaval nodes, while for left-sided tumors the renal hilar, paraaortic and preaortic nodes...
January 19, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28103440/carbon-nanotubes-mediate-fusion-of-lipid-vesicles
#9
Ramachandra Moorthy Bhaskara, Stephanie M Linker, Martin Vögele, Juergen Koefinger, Gerhard Hummer
The fusion of lipid membranes is opposed by high energetic barriers. In living organisms, complex protein machineries carry out this biologically essential process. Here we show that membrane-spanning carbon nanotubes (CNTs) can trigger spontaneous fusion of small lipid vesicles. In coarse-grained molecular dynamics simulations, we find that a CNT bridging between two vesicles locally perturbs their lipid structure. Their outer leaflets merge as the CNT pulls lipids out of the membranes, creating an hourglass-shaped fusion intermediate with still intact inner leaflets...
January 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28103400/the-sufbc2-d-complex-is-required-for-the-biogenesis-of-all-major-classes-of-plastid-fe-s-proteins
#10
Xueyun Hu, Yukako Kato, Akihiro Sumida, Ayumi Tanaka, Ryouichi Tanaka
Iron-sulfur (Fe-S) proteins play crucial roles in plastids, participating in photosynthesis and other metabolic pathways. Fe-S clusters are thought to be assembled on a scaffold complex composed of SUFB, SUFC and SUFD proteins. However, several additional proteins provide putative scaffold functions in plastids, and, therefore, the contribution of SUFB, C and D proteins to overall Fe-S assembly still remains unclear. In order to gain insights regarding Fe-S cluster biosynthesis in plastids, we analyzed the complex composed of SUFB, C and D in Arabidopsis by blue-native polyacrylamide gel electrophoresis...
January 19, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28103283/orthogonal-procrustes-analysis-for-dictionary-learning-in-sparse-linear-representation
#11
Giuliano Grossi, Raffaella Lanzarotti, Jianyi Lin
In the sparse representation model, the design of overcomplete dictionaries plays a key role for the effectiveness and applicability in different domains. Recent research has produced several dictionary learning approaches, being proven that dictionaries learnt by data examples significantly outperform structured ones, e.g. wavelet transforms. In this context, learning consists in adapting the dictionary atoms to a set of training signals in order to promote a sparse representation that minimizes the reconstruction error...
2017: PloS One
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#12
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28103259/characterization-and-genetic-variation-of-vibrio-cholerae-isolated-from-clinical-and-environmental-sources-in-thailand
#13
Achiraya Siriphap, Pimlapas Leekitcharoenphon, Rolf S Kaas, Chonchanok Theethakaew, Frank M Aarestrup, Orasa Sutheinkul, Rene S Hendriksen
Cholera is still an important public health problem in several countries, including Thailand. In this study, a collection of clinical and environmental V. cholerae serogroup O1, O139, and non-O1/non-O139 strains originating from Thailand (1983 to 2013) was characterized to determine phenotypic and genotypic traits and to investigate the genetic relatedness. Using a combination of conventional methods and whole genome sequencing (WGS), 78 V. cholerae strains were identified. WGS was used to determine the serogroup, biotype, virulence, mobile genetic elements, and antimicrobial resistance genes using online bioinformatics tools...
2017: PloS One
https://www.readbyqxmd.com/read/28103247/bombyx-mori-p-element-somatic-inhibitor-bmpsi-is-a-key-auxiliary-factor-for-silkworm-male-sex-determination
#14
Jun Xu, Shuqing Chen, Baosheng Zeng, Anthony A James, Anjiang Tan, Yongping Huang
Manipulation of sex determination pathways in insects provides the basis for a wide spectrum of strategies to benefit agriculture and public health. Furthermore, insects display a remarkable diversity in the genetic pathways that lead to sex differentiation. The silkworm, Bombyx mori, has been cultivated by humans as a beneficial insect for over two millennia, and more recently as a model system for studying lepidopteran genetics and development. Previous studies have identified the B. mori Fem piRNA as the primary female determining factor and BmMasc as its downstream target, while the genetic scenario for male sex determination was still unclear...
January 19, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28103158/serotonin-receptor-targeted-therapy-for-migraine-treatment-an-overview-of-drugs-in-phase-i-and-ii-clinical-development
#15
P Barbanti, C Aurilia, G Egeo, L Fofi, R Palmirotta
Research has focused on serotonin (5-HT) 5-HT1D and 5-HT1F receptors to develop drugs acting through non-vasoconstrictive mechanisms for treating acute migraine and those targeting 5-HT2B and 5-HT7 receptors for preventing migraine. Areas covered: This paper reviews antimigraine drugs targeting 5-HT receptors in one phase I trial (sumatriptan iontophoretic transdermal system, TDS) and five phase II clinical trials (PNU-142633, LY334370, lasmiditan, NOX-188). Expert opinion: Data from our overview on investigational drugs in phase I and II clinical trials using the 5-HT1B/1D receptor agonist (sumatriptan TDS), 5-HT1D receptor agonist (PNU-142633), 5-HT1F receptor agonists (LY334370, lasmiditan) and a combined 5-HT1B/1D receptor agonist with nNOS inhibition (NOX-188) provided encouraging data for sumatriptan TDS and lasmiditan, disappointing results for PNU-142633, and promising findings for NOX-188...
January 19, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28103044/when-salt-rejecting-polymers-meet-protons-an-electrochemical-impedance-spectroscopy-investigation
#16
Noga Fridman-Bishop, Viatcheslav Freger
Polymeric membranes are widely used for salt removal, but mechanism of ion permeation is still insufficiently understood. Here we analyze ion transport and scaling in polymers relevant to desalination (dense aromatic polyamide Nomex and cellulose acetate, CA) using impedance spectroscopy (EIS), focusing on the effects of the salt type, concentration and pH. The results highlight the role of proton uptake in ion permeation. For Nomex the exceptionally high affinity to proton results in a power-low dependence of conductivity on salt concentrations with an unusual exponent 1/2...
January 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28103043/understanding-self-catalyzed-epitaxial-growth-of-iii-v-nanowires-towards-controlled-synthesis
#17
Yunlong Zi, Sergey Suslov, Chen Yang
Self-catalyzed growth of III-V nanowires has drawn plenty of attention due to the potentials of integration in current Si-based technologies. The homoparticle-assisted vapor-liquid-solid growth mechanism has been demonstrated for self-catalyzed III-V nanowire growth. However, the understandings of the preferred growth sites of these nanowires are still limited, which obstructs the controlled synthesis and the applications of self-catalyzed nanowire arrays. Here we experimentally demonstrated that thermally created pits could serve as the preferred sites for self-catalyzed InAs nanowire growth...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28102994/at-a-glance-emergency-department-surveillance-of-thermal-burns-and-scalds-electronic-canadian-hospitals-injury-reporting-and-prevention-program-2013
#18
J Crain, S McFaull, D P Rao, M T Do, W Thompson
INTRODUCTION: Although fatality and hospitalization rates for burns in Canada have declined over time, less serious cases still commonly present to the emergency department (ED). METHODS: The Canadian Hospitals Injury Reporting and Prevention Program (CHIRPP) is an injury and poisoning surveillance system administered by the Public Health Agency of Canada, operating in emergency departments of 17 hospitals. RESULTS: Overall, cases reported in 2013 were scalds and contact burns from hot objects...
January 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28102912/different-spatio-temporal-eeg-features-drive-the-successful-decoding-of-binaural-and-monaural-cues-for-sound-localization
#19
Adam Bednar, Francis M Boland, Edmund C Lalor
The human ability to localize sound is essential for monitoring the environment and helps us to analyze complex auditory scenes. Although the acoustic cues mediating sound localization have been established, it remains unknown how these cues are represented in human cortex. In particular, it is still a point of contention whether binaural and monaural cues are processed by the same or distinct cortical networks. In this study, participants listened to a sequence of auditory stimuli from different spatial locations while we recorded their neural activity using electroencephalography (EEG)...
January 19, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28102874/cardiorespiratory-hospitalisation-and-mortality-reductions-after-smoking-bans-in-switzerland
#20
Ana M Vicedo-Cabrera, Martin Röösli, Dragana Radovanovic, Leticia Grize, Fabienne Witassek, Christian Schindler, Laura Perez
INTRODUCTION: Smoking bans are considered one of the most effective policies to reduce population exposure to tobacco smoke and prevent adverse health outcomes. However, evidence on the effect of contextual variables on the effectiveness of smoking bans is still lacking. AIMS: The patchwork of cantonal smoke-free laws in Switzerland was used as a quasi-experimental setting to assess changes after their introduction in: hospitalisations and mortality due to cardiorespiratory diseases in adults; total hospitalisations and hospitalisations due to respiratory disorders in children; and the modifying effects of contextual factors and the effectiveness of the laws...
January 19, 2017: Swiss Medical Weekly
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