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https://www.readbyqxmd.com/read/28092677/wnt-%C3%AE-catenin-signaling-regulates-mitochondrial-activity-to-alter-the-oncogenic-potential-of-melanoma-in-a-pten-dependent-manner
#1
K Brown, P Yang, D Salvador, R Kulikauskas, H Ruohola-Baker, A M Robitaille, A J Chien, R T Moon, V Sherwood
Aberrant regulation of WNT/β-catenin signaling has a crucial role in the onset and progression of cancers, where the effects are not always predictable depending on tumor context. In melanoma, for example, models of the disease predict differing effects of the WNT/β-catenin pathway on metastatic progression. Understanding the processes that underpin the highly context-dependent nature of WNT/β-catenin signaling in tumors is essential to achieve maximal therapeutic benefit from WNT inhibitory compounds. In this study, we have found that expression of the tumor suppressor, phosphatase and tensin homolog deleted on chromosome 10 (PTEN), alters the invasive potential of melanoma cells in response to WNT/β-catenin signaling, correlating with differing metabolic profiles...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28091923/experimental-study-of-the-effects-of-nanodispersed-ceria-on-wound-repair
#2
O A Legon'kova, T A Ushakova, I P Savchenkova, N V Perova, M S Belova, A A Torkova, A E Baranchikov, O S Ivanova, A I Korotaeva, V K Ivanov
We studied the effects of nanodispersed ceria on wound healing in vitro and in vivo. It was found that cerium dioxide stimulated wound healing, which manifested in shrinkage of burn wound area (by 1.5 times) and intensification (by 2.4 times) marginal epithelialization.
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28090631/operating-unit-time-use-is-associated-with-anaesthesia-type-in-below-knee-surgery-in-adults
#3
T J Lohela, R P Chase, T A Hiekkanen, V K Kontinen, M J Hynynen
BACKGROUND: Peripheral nerve blocks could reduce the operating unit and theatre time spent on high-risk patients who are particularly vulnerable to complications of general anaesthesia or have medications that prevent application of central neuraxial blocks. METHODS: Medical record data of 617 and 254 elderly adults undergoing below-knee surgery in Jorvi and Meilahti hospitals (Helsinki University Hospital) between January 2010 and December 2012 were used to investigate the influence of anaesthetic technique on operating theatre times and on operating unit times using flexible parametric survival models...
January 16, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28090090/incidence-and-prognostic-impact-of-asxl2-mutations-in-adult-acute-myeloid-leukemia-patients-with-t-8-21-q22-q22-a-study-of-the-german-austrian-aml-study-group-amlsg
#4
N Jahn, M Agrawal, L Bullinger, D Weber, A Corbacioglu, V I Gaidzik, L Schmalbrock, F Thol, M Heuser, J Krauter, G Göhring, A Kündgen, W Fiedler, M Wattad, G Held, C-H Köhne, H-A Horst, M Lübbert, A Ganser, R F Schlenk, H Döhner, K Döhner, P Paschka
Leukemia accepted article preview online, 16 January 2017. doi:10.1038/leu.2017.18.
January 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28089601/corrigendum-to-behavioural-and-neurochemical-consequences-of-chronic-gut-microbiota-depletion-during-adulthood-in-the-rat-neuroscience-339-2016-463-477
#5
A E Hoban, R D Moloney, A V Golubeva, K A McVey Neufeld, O O'Sullivan, E Patterson, C Stanton, T G Dinan, G Clarke, J F Cryan
No abstract text is available yet for this article.
January 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28089150/anticoagulant-bridging-in-left-sided-mechanical-heart-valve-patients
#6
E A Hart, R Jansen, T A Meijs, B J Bouma, R K Riezebos, W Tanis, W J P van Boven, V Hindori, N Wiersma, T Dessing, J Westerink, S A J Chamuleau
BACKGROUND: In preparation for an invasive procedure with a high bleeding risk, patients with a mechanical heart valve temporarily have to discontinue their anticoagulant therapy and are usually bridged with either intravenous unfractionated heparin (UFH) or subcutaneous low-molecular-weight heparin (LMWH). In this study we retrospectively analyzed the safety of UFH versus LMWH as bridging strategy in left-sided mechanical heart valve patients. METHODS: We performed a retrospective multicenter study in four surgical centers in The Netherlands...
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28088568/nanostructured-tin-oxide-films-physical-synthesis-characterization-and-gas-sensing-properties
#7
S M Ingole, S T Navale, Y H Navale, D K Bandgar, F J Stadler, R S Mane, N S Ramgir, S K Gupta, D K Aswal, V B Patil
Nanostructured tin oxide (SnO2) films are synthesized using physical method i.e. thermal evaporation and are further characterized with X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy, and atomic force microscopy measurement techniques for confirming its structure and morphology. The chemiresistive properties of SnO2 films are studied towards different oxidizing and reducing gases where these films have demonstrated considerable selectivity towards oxidizing nitrogen dioxide (NO2) gas with a maximum response of 403% to 100ppm @200°C, and fast response and recovery times of 4s and 210s, respectively, than other test gases...
January 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28088549/redistribution-of-elements-between-wastes-and-organic-bearing-material-in-the-dispersion-train-of-gold-bearing-sulfide-tailings-part-i-geochemistry-and-mineralogy
#8
B Yu Saryg-Ool, I N Myagkaya, I S Kirichenko, M A Gustaytis, O V Shuvaeva, S M Zhmodik, E V Lazareva
Migration and redistribution of elements during prolonged interaction of cyanide wastes with the underlying natural organic-bearing material have been studied in two ~40cm deep cores that sample primary ores and their weathering profile (wastes I and II, respectively) in the dispersion train of gold-bearing sulfide tailings in Siberia. Analytical results of SR-XRF, whole-rock XRF, AAS, CHNS, and SEM measurements of core samples show high K, Sr, Ti, and Fe enrichments and correlation of P2O5 and Mn with LOI and Corg...
January 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28087780/oncogenes-without-a-neighboring-tumor-suppressor-gene-are-more-prone-to-amplification
#9
William K K Wu, Xiangchun Li, Xiansong Wang, Rudin Z W Dai, Alfred S L Cheng, Maggie H T Wang, Thomas Kwong, Tai C Chow, Jun Yu, Matthew T V Chan, Sunny H Wong
Focal copy number gains or losses are important genomic hallmarks of cancer. The genomic distribution of oncogenes and tumor-suppressor genes (TSG) in relation to focal copy number aberrations is unclear. Our analysis revealed that the mean distance of TSGs from oncogenes was significantly shorter than that of non-cancer genes, suggesting that oncogenes and TSGs tend to be in close physical proximity in the human genome. Such relationship was conserved in mouse and drosophila. Pan-cancer analysis using data from The Cancer Genome Atlas indicated that oncogenes without a nearby TSG are more prone to amplification...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28087779/genomics-of-parallel-experimental-evolution-in-drosophila
#10
J L Graves, K L Hertweck, M A Phillips, M V Han, L G Cabral, T T Barter, L F Greer, M K Burke, L D Mueller, M R Rose
What are the genomic foundations of adaptation in sexual populations? We address this question using fitness-character and whole-genome sequence data from 30 Drosophila laboratory populations. These 30 populations are part of a nearly forty-year laboratory radiation featuring three selection regimes, each shared by ten populations for up to 837 generations, with moderately large effective population sizes. Each of three sets of ten populations that shared a selection regime consist of five populations that have long been maintained under that selection regime, paired with five populations that had only recently been subjected to that selection regime...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28087712/pdx1-dynamically-regulates-pancreatic-ductal-adenocarcinoma-initiation-and-maintenance
#11
Nilotpal Roy, Kenneth K Takeuchi, Jeanine M Ruggeri, Peter Bailey, David Chang, Joey Li, Laura Leonhardt, Sapna Puri, Megan T Hoffman, Shan Gao, Christopher J Halbrook, Yan Song, Mats Ljungman, Shivani Malik, Christopher V E Wright, David W Dawson, Andrew V Biankin, Matthias Hebrok, Howard C Crawford
Aberrant activation of embryonic signaling pathways is frequent in pancreatic ductal adenocarcinoma (PDA), making developmental regulators therapeutically attractive. Here we demonstrate diverse functions for pancreatic and duodenal homeobox 1 (PDX1), a transcription factor indispensable for pancreas development, in the progression from normal exocrine cells to metastatic PDA. We identify a critical role for PDX1 in maintaining acinar cell identity, thus resisting the formation of pancreatic intraepithelial neoplasia (PanIN)-derived PDA...
December 15, 2016: Genes & Development
https://www.readbyqxmd.com/read/28081050/white-paper-of-the-society-of-computed-body-tomography-and-magnetic-resonance-on-dual-energy-ct-part-3-vascular-cardiac-pulmonary-and-musculoskeletal-applications
#12
Carlo N De Cecco, U Joseph Schoepf, Lynne Steinbach, Daniel T Boll, W Dennis Foley, Ravi K Kaza, David N Bolus, Desiree E Morgan, Dushyant V Sahani, William P Shuman, Marilyn J Siegel, Terri J Vrtiska, Benjamin M Yeh, Lincoln L Berland
This is the third of a series of 4 white papers that represent Expert Consensus Documents developed by the Society of Computed Body Tomography and Magnetic Resonance through its Task Force on dual-energy computed tomography. This paper, part 3, describes computed tomography angiography and thoracic, cardiac, vascular, and musculoskeletal clinical applications. At the end of the discussion of each application category (vascular, cardiac, pulmonary, and musculoskeletal), we present our consensus opinions on the current clinical utility of the application and opportunities for further research...
January 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28081012/the-lead-acceptor-in-p-type-natural-2h-polytype-mos2-crystals-evidenced-by-electron-paramagnetic-resonance
#13
S Iacovo, A Stesmans, M Houssa, V V Afanas'ev
A low-temperature (T  =  1.5-8 K) electron paramagnetic resonance study of p-type 2H-polytype natural MoS2 crystals reveals a previously unreported anisotropic signal of corresponding defect density (spin S  =  ½) ~5  ×  10(14) cm(-3). For the applied magnetic field B//c-axis, the response is comprised of a single central asymmetric Zeeman peak at zero-crossing g  =  2.102(1), amid a symmetrically positioned hyperfine doublet of splitting 6.6(2) G. Field angular observations reveal a two-branch g pattern, indicative of a defect of lower than axial symmetry, likely orthorhombic (C 2v)...
January 12, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28079868/cdc123-camk1d-gene-rs12779790-polymorphism-and-rs10811661-polymorphism-upstream-of-the-cdkn2a-2b-gene-in-women-with-gestational-diabetes
#14
M Tarnowski, D Malinowski, K Safranow, V Dziedziejko, A Pawlik
OBJECTIVE: Gestational diabetes mellitus (GDM) is carbohydrate intolerance occurring in pregnant women. CDC123/CAMK1D and CDKN2A/2B are associated with increased risk of type 2 diabetes and may affect pancreatic beta cell function. The aim of this study was to examine the association between CDKN2A/2B rs10811661 and CDC123/CAMK1D rs12779790 gene polymorphisms and GDM. STUDY DESIGN: This study included 411 pregnant women. The diagnosis of GDM was based on the International Association of Diabetes and Pregnancy Study Groups criteria...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28078671/melanoma-in-congenital-melanocytic-naevi
#15
REVIEW
V A Kinsler, P O'Hare, N Bulstrode, J E Calonje, W K Chong, D Hargrave, T Jacques, D Lomas, N J Sebire, O Slater
Congenital melanocytic naevi (CMN) are a known risk factor for melanoma, with the greatest risk currently thought to be in childhood. There has been controversy over the years about the incidence, and therefore over clinical management of CMN, due partly to the difficulties of histological diagnosis and partly to publishing bias towards cases of malignancy. Large cohort studies have demonstrated that risk in childhood is related to the severity of the congenital phenotype, not only cutaneous but neuroradiological...
January 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28078511/intra-individual-comparison-of-different-gadolinium-based-contrast-agents-in-the-quantitative-evaluation-of-c6-glioma-with-dynamic-contrast-enhanced-magnetic-resonance-imaging
#16
Ying Li, Gang Liu, Xin Lou, Zhiye Chen, Lin Ma
This experiment aimed to compare the ionic (Gadodiamide, Gd-DTPA-BMA) and non-ionic (Gadopentetate dimeglumine, Gd-DTPA) gadolinium-based contrast agents (GBCA) in the quantitative evaluation of C6 glioma with dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). A C6 glioma model was established in 12 Wistar rats, and magnetic resonance (MR) scans were performed six days after tumor implantation. Imaging was performed using a 3.0-T MR scanner with a 7-inch handmade circular coil. Pre-contrast T1 mapping and dynamic contrast-enhanced T1WI after a bolus injection (0...
January 4, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28077804/the-complex-genetics-of-gait-speed-genome-wide-meta-analysis-approach
#17
Dan Ben-Avraham, David Karasik, Joe Verghese, Kathryn L Lunetta, Jennifer A Smith, John A Eicher, Rotem Vered, Joris Deelen, Alice M Arnold, Aron S Buchman, Toshiko Tanaka, Jessica D Faul, Maria Nethander, Myriam Fornage, Hieab H Adams, Amy M Matteini, Michele L Callisaya, Albert V Smith, Lei Yu, Philip L De Jager, Denis A Evans, Vilmundur Gudnason, Albert Hofman, Alison Pattie, Janie Corley, Lenore J Launer, Davis S Knopman, Neeta Parimi, Stephen T Turner, Stefania Bandinelli, Marian Beekman, Danielle Gutman, Lital Sharvit, Simon P Mooijaart, David C Liewald, Jeanine J Houwing-Duistermaat, Claes Ohlsson, Matthijs Moed, Vincent J Verlinden, Dan Mellström, Jos N van der Geest, Magnus Karlsson, Dena Hernandez, Rebekah McWhirter, Yongmei Liu, Russell Thomson, Gregory J Tranah, Andre G Uitterlinden, David R Weir, Wei Zhao, John M Starr, Andrew D Johnson, M Arfan Ikram, David A Bennett, Steven R Cummings, Ian J Deary, Tamara B Harris, Sharon L R Kardia, Thomas H Mosley, Velandai K Srikanth, Beverly G Windham, Ann B Newman, Jeremy D Walston, Gail Davies, Daniel S Evans, Eline P Slagboom, Luigi Ferrucci, Douglas P Kiel, Joanne M Murabito, Gil Atzmon
Emerging evidence suggests that the basis for variation in late-life mobility is attributable, in part, to genetic factors, which may become increasingly important with age. Our objective was to systematically assess the contribution of genetic variation to gait speed in older individuals. We conducted a meta-analysis of gait speed GWASs in 31,478 older adults from 17 cohorts of the CHARGE consortium, and validated our results in 2,588 older adults from 4 independent studies. We followed our initial discoveries with network and eQTL analysis of candidate signals in tissues...
January 10, 2017: Aging
https://www.readbyqxmd.com/read/28077440/monophosphoryl-lipid-a-enhances-efficacy-of-a-francisella-tularensis-lvs-catanionic-nanoparticle-subunit-vaccine-against-f-tularensis-schu-s4-challenge-by-augmenting-both-humoral-and-cellular-immunity
#18
Katharina Richard, Barbara J Mann, Aiping Qin, Eileen M Barry, Robert K Ernst, Stefanie N Vogel
Francisella tularensis, a bacterial biothreat agent, has no approved vaccine in the USA. Previously, we showed that incorporating lysates from partially attenuated F. tularensis LVS or fully virulent F. tularensis Schu S4 strains into catanionic surfactant vesicle (V) nanoparticles (LVS-V and Schu S4-V, respectively) protected fully against F. tularensis LVS intraperitoneal (i.p.) challenge in mice. However, we achieved only partial protection against F. tularensis Schu S4 intranasal (i.n.) challenge, even when employing heterologous prime/boost immunization strategies...
January 11, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28077439/the-functional-expression-of-transient-receptor-potential-channels-in-the-mouse-endometrium
#19
Katrien De Clercq, Charlotte Van den Eynde, Aurélie Hennes, Rieta Van Bree, Thomas Voets, Joris Vriens
STUDY QUESTION: Does mouse endometrial epithelial cells and stromal cells have a similar transient receptor potential (TRP)-channel expression profile and to that found in the human endometrium? SUMMARY ANSWER: Mouse endometrial epithelial and stromal cells have a distinct TRP channel expression profile analogous to what has been found in human endometrium, and hence suggests the mouse a good model to investigate the role of TRP channels in reproduction. WHAT IS KNOWN ALREADY: An optimal intercellular communication between epithelial and stromal endometrial cells is crucial for successful reproduction...
January 6, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28077438/fibroblast-drug-scavenging-increases-intratumoural-gemcitabine-accumulation-in-murine-pancreas-cancer
#20
E Hessmann, M S Patzak, L Klein, N Chen, V Kari, I Ramu, T E Bapiro, K K Frese, A Gopinathan, F M Richards, D I Jodrell, C Verbeke, X Li, R Heuchel, J M Löhr, S A Johnsen, T M Gress, V Ellenrieder, A Neesse
OBJECTIVE: Desmoplasia and hypovascularity are thought to impede drug delivery in pancreatic ductal adenocarcinoma (PDAC). However, stromal depletion approaches have failed to show clinical responses in patients. Here, we aimed to revisit the role of the tumour microenvironment as a physical barrier for gemcitabine delivery. DESIGN: Gemcitabine metabolites were analysed in LSL-Kras(G12D/+); LSL-Trp53(R172H/+); Pdx-1-Cre (KPC) murine tumours and matched liver metastases, primary tumour cell lines, cancer-associated fibroblasts (CAFs) and pancreatic stellate cells (PSCs) by liquid chromatography-mass spectrometry/mass spectrometry...
January 10, 2017: Gut
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