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https://www.readbyqxmd.com/read/28339570/frequency-of-different-electrocardiographic-abnormalities-in-a-large-cohort-of-spanish-workers
#1
Jorge Rodríguez-Capitán, Ana Fernández-Meseguer, José Manuel García-Pinilla, Eva Calvo-Bonacho, Manuel Jiménez-Navarro, Teresa García-Margallo, Fernando Cabrera-Bueno, Ignacio Echeverria-Lucotti, Juan José Gómez-Doblas, Eduardo De Teresa-Galván
Aims: Our aim was to describe the electrocardiographic findings of a large sample of Spanish workers from several different employment sectors. Methods and results: Between May 2008 and November 2010, 13 495 consecutive 12-lead resting electrocardiograms (ECGs) were obtained during health examinations of working adults aged 16-74 years in 5 cities in different regions of Spain. Of those, 13 179 ECGs suitable for interpretation were included in this study. All tracings were classified by the same cardiologist, according to the Minnesota Code criteria...
October 6, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28338960/organellar-genomes-from-a-%C3%A2-5-000-years-old-archaeological-maize-sample-are-closely-related-to-nb-genotype
#2
Bernardo Pérez-Zamorano, Miguel Vallebueno-Estrada, Javier Martínez González, Angel García Cook, Rafael Montiel, Jean-Philippe Vielle-Calzada, Luis Delaye
The story of how pre-Columbian civilizations developed goes hand-in-hand with the process of plant domestication by Mesoamerican inhabitants. Here we present the almost complete sequence of a mitochondrial genome and a partial chloroplast genome from an archaeological maize sample collected at the Valley of Tehuacán, México. Accelerator mass spectrometry dated the maize sample to be 5,040 to 5,300 years before present (95% probability). Phylogenetic analysis of the mitochondrial genome shows that the archaeological sample branches basal to the other Zea mays genomes, as expected...
March 17, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28336787/probabilistic-divergence-time-estimation-without-branch-lengths-dating-the-origins-of-dinosaurs-avian-flight-and-crown-birds
#3
G T Lloyd, D W Bapst, M Friedman, K E Davis
Branch lengths-measured in character changes-are an essential requirement of clock-based divergence estimation, regardless of whether the fossil calibrations used represent nodes or tips. However, a separate set of divergence time approaches are typically used to date palaeontological trees, which may lack such branch lengths. Among these methods, sophisticated probabilistic approaches have recently emerged, in contrast with simpler algorithms relying on minimum node ages. Here, using a novel phylogenetic hypothesis for Mesozoic dinosaurs, we apply two such approaches to estimate divergence times for: (i) Dinosauria, (ii) Avialae (the earliest birds) and (iii) Neornithes (crown birds)...
November 2016: Biology Letters
https://www.readbyqxmd.com/read/28336454/cryoneurolysis-to-treat-the-pain-and-symptoms-of-knee-osteoarthritis-a-multicenter-randomized-double-blind-sham-controlled-trial
#4
Richard Radnovich, David Scott, Atul T Patel, Richard Olson, Vinod Dasa, Neil Segal, Nancy E Lane, Kevin Shrock, Julian Naranjo, Kevin Darr, Ronald Surowitz, James Choo, Alan Valadie, Robert Harrell, Nathan Wei, Samy Metyas
OBJECTIVE: Evaluate the efficacy and safety/tolerability of cryoneurolysis for reduction of pain and symptoms associated with knee osteoarthritis (OA). DESIGN: Randomized, double-blind, sham-controlled, multicenter trial with a 6-month follow-up in patients with mild-to-moderate knee OA. Patients were randomized 2:1 to cryoneurolysis targeting the infrapatellar branch of the saphenous nerve (IPBSN) or sham treatment. The primary endpoint was the change from baseline to Day 30 in the Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain score adjusted by the baseline score and site...
March 20, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28334145/combined-effects-of-thinning-and-decline-on-fine-root-dynamics-in-a-quercus-robur-l-forest-adjoining-the-italian-pre-alps
#5
E Mosca, L Montecchio, G Barion, C Dal Cortivo, T Vamerali
Aims: Oak decline is a complex phenomenon, characterized by symptoms of canopy transparency, bark cracks and root biomass reduction. Root health status is one of the first stress indicators, and root turnover is a key process in plant adaptation to unfavourable conditions. In this study, the combined effects of decline and thinning were evaluated on fine root dynamics in an oak forest adjoining the Italian Pre-Alps by comparison of acute declining trees with non-declining trees, both with and without thinning treatment of surrounding trees...
February 28, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333345/detection-of-pathways-affected-by-positive-selection-in-primate-lineages-ancestral-to-humans
#6
J T Daub, S Moretti, I I Davydov, L Excoffier, M Robinson-Rechavi
Gene set enrichment approaches have been increasingly successful in finding signals of recent polygenic selection in the human genome. In this study, we aim at detecting biological pathways affected by positive selection in more ancient human evolutionary history. Focusing on four branches of the primate tree that lead to modern humans, we tested all available protein coding gene trees of the Primates clade for signals of adaptation in these branches, using the likelihood-based branch site test of positive selection...
February 25, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28331428/observation-of-formula-see-text-and-formula-see-text-decays
#7
R Aaij, B Adeva, M Adinolfi, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, S Ali, G Alkhazov, P Alvarez Cartelle, A A Alves, S Amato, S Amerio, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, J E Andrews, R B Appleby, F Archilli, P d'Argent, J Arnau Romeu, A Artamonov, M Artuso, E Aslanides, G Auriemma, M Baalouch, I Babuschkin, S Bachmann, J J Back, A Badalov, C Baesso, S Baker, W Baldini, R J Barlow, C Barschel, S Barsuk, W Barter, M Baszczyk, V Batozskaya, B Batsukh, V Battista, A Bay, L Beaucourt, J Beddow, F Bedeschi, I Bediaga, L J Bel, V Bellee, N Belloli, K Belous, I Belyaev, E Ben-Haim, G Bencivenni, S Benson, J Benton, A Berezhnoy, R Bernet, A Bertolin, C Betancourt, F Betti, M-O Bettler, M van Beuzekom, Ia Bezshyiko, S Bifani, P Billoir, T Bird, A Birnkraut, A Bitadze, A Bizzeti, T Blake, F Blanc, J Blouw, S Blusk, V Bocci, T Boettcher, A Bondar, N Bondar, W Bonivento, I Bordyuzhin, A Borgheresi, S Borghi, M Borisyak, M Borsato, F Bossu, M Boubdir, T J V Bowcock, E Bowen, C Bozzi, S Braun, M Britsch, T Britton, J Brodzicka, E Buchanan, C Burr, A Bursche, J Buytaert, S Cadeddu, R Calabrese, M Calvi, M Calvo Gomez, A Camboni, P Campana, D H Campora Perez, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, P Carniti, L Carson, K Carvalho Akiba, G Casse, L Cassina, L Castillo Garcia, M Cattaneo, Ch Cauet, G Cavallero, R Cenci, M Charles, Ph Charpentier, G Chatzikonstantinidis, M Chefdeville, S Chen, S-F Cheung, V Chobanova, M Chrzaszcz, X Cid Vidal, G Ciezarek, P E L Clarke, M Clemencic, H V Cliff, J Closier, V Coco, J Cogan, E Cogneras, V Cogoni, L Cojocariu, G Collazuol, P Collins, A Comerma-Montells, A Contu, A Cook, G Coombs, S Coquereau, G Corti, M Corvo, C M Costa Sobral, B Couturier, G A Cowan, D C Craik, A Crocombe, M Cruz Torres, S Cunliffe, R Currie, C D'Ambrosio, F Da Cunha Marinho, E Dall'Occo, J Dalseno, P N Y David, A Davis, O De Aguiar Francisco, K De Bruyn, S De Capua, M De Cian, J M De Miranda, L De Paula, M De Serio, P De Simone, C-T Dean, D Decamp, M Deckenhoff, L Del Buono, M Demmer, A Dendek, D Derkach, O Deschamps, F Dettori, B Dey, A Di Canto, H Dijkstra, F Dordei, M Dorigo, A Dosil Suárez, A Dovbnya, K Dreimanis, L Dufour, G Dujany, K Dungs, P Durante, R Dzhelyadin, A Dziurda, A Dzyuba, N Déléage, S Easo, M Ebert, U Egede, V Egorychev, S Eidelman, S Eisenhardt, U Eitschberger, R Ekelhof, L Eklund, S Ely, S Esen, H M Evans, T Evans, A Falabella, N Farley, S Farry, R Fay, D Fazzini, D Ferguson, A Fernandez Prieto, F Ferrari, F Ferreira Rodrigues, M Ferro-Luzzi, S Filippov, R A Fini, M Fiore, M Fiorini, M Firlej, C Fitzpatrick, T Fiutowski, F Fleuret, K Fohl, M Fontana, F Fontanelli, D C Forshaw, R Forty, V Franco Lima, M Frank, C Frei, J Fu, E Furfaro, C Färber, A Gallas Torreira, D Galli, S Gallorini, S Gambetta, M Gandelman, P Gandini, Y Gao, L M Garcia Martin, J García Pardiñas, J Garra Tico, L Garrido, P J Garsed, D Gascon, C Gaspar, L Gavardi, G Gazzoni, D Gerick, E Gersabeck, M Gersabeck, T Gershon, Ph Ghez, S Gianì, V Gibson, O G Girard, L Giubega, K Gizdov, V V Gligorov, D Golubkov, A Golutvin, A Gomes, I V Gorelov, C Gotti, E Govorkova, M Grabalosa Gándara, R Graciani Diaz, L A Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, P Griffith, L Grillo, B R Gruberg Cazon, O Grünberg, E Gushchin, Yu Guz, T Gys, C Göbel, T Hadavizadeh, C Hadjivasiliou, G Haefeli, C Haen, S C Haines, S Hall, B Hamilton, X Han, S Hansmann-Menzemer, N Harnew, S T Harnew, J Harrison, M Hatch, J He, T Head, A Heister, K Hennessy, P Henrard, L Henry, J A Hernando Morata, E van Herwijnen, M Heß, A Hicheur, D Hill, C Hombach, H Hopchev, W Hulsbergen, T Humair, M Hushchyn, N Hussain, D Hutchcroft, M Idzik, P Ilten, R Jacobsson, A Jaeger, J Jalocha, E Jans, A Jawahery, F Jiang, M John, D Johnson, C R Jones, C Joram, B Jost, N Jurik, S Kandybei, W Kanso, M Karacson, J M Kariuki, S Karodia, M Kecke, M Kelsey, I R Kenyon, M Kenzie, T Ketel, E Khairullin, B Khanji, C Khurewathanakul, T Kirn, S Klaver, K Klimaszewski, S Koliiev, M Kolpin, I Komarov, R F Koopman, P Koppenburg, A Kosmyntseva, A Kozachuk, M Kozeiha, L Kravchuk, K Kreplin, M Kreps, P Krokovny, F Kruse, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, A K Kuonen, K Kurek, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, G Lanfranchi, C Langenbruch, T Latham, C Lazzeroni, R Le Gac, J van Leerdam, J-P Lees, A Leflat, J Lefrançois, R Lefèvre, F Lemaitre, E Lemos Cid, O Leroy, T Lesiak, B Leverington, Y Li, T Likhomanenko, R Lindner, C Linn, F Lionetto, B Liu, X Liu, D Loh, I Longstaff, J H Lopes, D Lucchesi, M Lucio Martinez, H Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, F Machefert, F Maciuc, O Maev, K Maguire, S Malde, A Malinin, T Maltsev, G Manca, G Mancinelli, P Manning, J Maratas, J F Marchand, U Marconi, C Marin Benito, P Marino, J Marks, G Martellotti, M Martin, M Martinelli, D Martinez Santos, F Martinez Vidal, D Martins Tostes, L M Massacrier, A Massafferri, R Matev, A Mathad, Z Mathe, C Matteuzzi, A Mauri, B Maurin, A Mazurov, M McCann, J McCarthy, A McNab, R McNulty, B Meadows, F Meier, M Meissner, D Melnychuk, M Merk, A Merli, E Michielin, D A Milanes, M-N Minard, D S Mitzel, A Mogini, J Molina Rodriguez, I A Monroy, S Monteil, M Morandin, P Morawski, A Mordà, M J Morello, J Moron, A B Morris, R Mountain, F Muheim, M Mulder, M Mussini, D Müller, J Müller, K Müller, V Müller, P Naik, T Nakada, R Nandakumar, A Nandi, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, M Neuner, A D Nguyen, T D Nguyen, C Nguyen-Mau, S Nieswand, R Niet, N Nikitin, T Nikodem, A Novoselov, D P O'Hanlon, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, R Oldeman, C J G Onderwater, J M Otalora Goicochea, A Otto, P Owen, A Oyanguren, P R Pais, A Palano, F Palombo, M Palutan, J Panman, A Papanestis, M Pappagallo, L L Pappalardo, W Parker, C Parkes, G Passaleva, A Pastore, G D Patel, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, P Perret, L Pescatore, K Petridis, A Petrolini, A Petrov, M Petruzzo, E Picatoste Olloqui, B Pietrzyk, M Pikies, D Pinci, A Pistone, A Piucci, S Playfer, M Plo Casasus, T Poikela, F Polci, A Poluektov, I Polyakov, E Polycarpo, G J Pomery, A Popov, D Popov, B Popovici, S Poslavskii, C Potterat, E Price, J D Price, J Prisciandaro, A Pritchard, C Prouve, V Pugatch, A Puig Navarro, G Punzi, W Qian, R Quagliani, B Rachwal, J H Rademacker, M Rama, M Ramos Pernas, M S Rangel, I Raniuk, F Ratnikov, G Raven, F Redi, S Reichert, A C Dos Reis, C Remon Alepuz, V Renaudin, S Ricciardi, S Richards, M Rihl, K Rinnert, V Rives Molina, P Robbe, A B Rodrigues, E Rodrigues, J A Rodriguez Lopez, P Rodriguez Perez, A Rogozhnikov, S Roiser, A Rollings, V Romanovskiy, A Romero Vidal, J W Ronayne, M Rotondo, M S Rudolph, T Ruf, P Ruiz Valls, J J Saborido Silva, E Sadykhov, N Sagidova, B Saitta, V Salustino Guimaraes, C Sanchez Mayordomo, B Sanmartin Sedes, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, A Sarti, C Satriano, A Satta, D M Saunders, D Savrina, S Schael, M Schellenberg, M Schiller, H Schindler, M Schlupp, M Schmelling, T Schmelzer, B Schmidt, O Schneider, A Schopper, K Schubert, M Schubiger, M-H Schune, R Schwemmer, B Sciascia, A Sciubba, A Semennikov, A Sergi, N Serra, J Serrano, L Sestini, P Seyfert, M Shapkin, I Shapoval, Y Shcheglov, T Shears, L Shekhtman, V Shevchenko, B G Siddi, R Silva Coutinho, L Silva de Oliveira, G Simi, S Simone, M Sirendi, N Skidmore, T Skwarnicki, E Smith, I T Smith, J Smith, M Smith, H Snoek, M D Sokoloff, F J P Soler, B Souza De Paula, B Spaan, P Spradlin, S Sridharan, F Stagni, M Stahl, S Stahl, P Stefko, S Stefkova, O Steinkamp, S Stemmle, O Stenyakin, S Stevenson, S Stoica, S Stone, B Storaci, S Stracka, M Straticiuc, U Straumann, L Sun, W Sutcliffe, K Swientek, V Syropoulos, M Szczekowski, T Szumlak, S T'Jampens, A Tayduganov, T Tekampe, G Tellarini, F Teubert, E Thomas, J van Tilburg, M J Tilley, V Tisserand, M Tobin, S Tolk, L Tomassetti, D Tonelli, S Topp-Joergensen, F Toriello, E Tournefier, S Tourneur, K Trabelsi, M Traill, M T Tran, M Tresch, A Trisovic, A Tsaregorodtsev, P Tsopelas, A Tully, N Tuning, A Ukleja, A Ustyuzhanin, U Uwer, C Vacca, V Vagnoni, A Valassi, S Valat, G Valenti, A Vallier, R Vazquez Gomez, P Vazquez Regueiro, S Vecchi, M van Veghel, J J Velthuis, M Veltri, G Veneziano, A Venkateswaran, M Vernet, M Vesterinen, B Viaud, D Vieira, M Vieites Diaz, H Viemann, X Vilasis-Cardona, M Vitti, V Volkov, A Vollhardt, B Voneki, A Vorobyev, V Vorobyev, C Voß, J A de Vries, C Vázquez Sierra, R Waldi, C Wallace, R Wallace, J Walsh, J Wang, D R Ward, H M Wark, N K Watson, D Websdale, A Weiden, M Whitehead, J Wicht, G Wilkinson, M Wilkinson, M Williams, M P Williams, M Williams, T Williams, F F Wilson, J Wimberley, J Wishahi, W Wislicki, M Witek, G Wormser, S A Wotton, K Wraight, K Wyllie, Y Xie, Z Xing, Z Xu, Z Yang, H Yin, J Yu, X Yuan, O Yushchenko, K A Zarebski, M Zavertyaev, L Zhang, Y Zhang, Y Zhang, A Zhelezov, Y Zheng, A Zhokhov, X Zhu, V Zhukov, S Zucchelli
The decays [Formula: see text] and [Formula: see text] are observed for the first time using a data sample corresponding to an integrated luminosity of 3.0 fb[Formula: see text], collected by the LHCb experiment in proton-proton collisions at the centre-of-mass energies of 7 and 8[Formula: see text]. The branching fractions relative to that of [Formula: see text] are measured to be [Formula: see text]where the first uncertainties are statistical and the second are systematic.
2017: European Physical Journal. C, Particles and Fields
https://www.readbyqxmd.com/read/28330286/effect-of-highly-branched-hyphal-morphology-on-the-enhanced-production-of-cellulase-in-trichoderma-reesei-des-15
#8
Ronglin He, Chen Li, Lijuan Ma, Dongyuan Zhang, Shulin Chen
The morphology of Trichoderma reesei is a vitally important factor for cellulase productivity. This study investigated the effect of hyphal morphology on cellulase production in the hyper-cellulolytic mutant, T. reesei DES-15. With a distinct morphology, T. reesei DES-15 was obtained through Diethyl sulfite (DES) mutagenesis. The hyphal morphology of DES-15 batch-cultured in a 5-L fermentor was significantly shorter and more branched than the parental strain RUT C30. The cellulase production of DES-15 during batch fermentation was 66 % greater than that of RUT C30 when cultured the same conditions...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328630/fluorescein-isothiocyanate-a-novel-application-for-lymphatic-surgery
#9
Lisa Spiguel, Christiana Shaw, Adam Katz, Lifei Guo, Hung-Chi Chen, Bernard T Lee, Dhruv Singhal
The Lymphatic Microsurgical Preventing Healing Approach (LYMPHA) procedure entails performing a lymphovenous bypass (LVB) at the time of axillary lymph node dissection to reduce lymphedema risk. The two most common fluorophores utilized in LVB are blue dye and indocyanine green. We developed a novel application of fluorescein isothiocyanate for intraoperative lymphatic mapping. Our goal is to demonstrate the safety and efficacy of fluorescein isothiocyanate for this application. We reviewed a prospectively collected database on breast cancer patients who underwent LYMPHA from March to September 2015...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28327721/palladium-catalyzed-highly-regioselective-hydroaminocarbonylation-of-aromatic-alkenes-to-branched-amides
#10
Jinping Zhu, Bao Gao, Hanmin Huang
Pd(t-Bu3P)2 has been successfully identified as an efficient catalyst for the hydroaminocarbonylation of aromatic alkenes to branched amides under relatively mild reaction conditions. With hydroxylamine hydrochloride as an additive, both aliphatic and aromatic amines could be used as coupling partners for the present reaction, leading to production of branched amides in high yields with excellent regioselectivities.
March 22, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28325685/a-positive-feedback-strategy-for-enhanced-chemotherapy-based-on-ros-triggered-self-accelerating-drug-release-nanosystem
#11
Jing-Jing Hu, Qi Lei, Meng-Yun Peng, Di-Wei Zheng, Yi-Xuan Chen, Xian-Zheng Zhang
Here, a positive feedback strategy was utilized to amplify the concentration of intracellular reactive oxygen species (ROS) and a ROS-triggered self-accelerating drug release nanosystem (defined as T/D@RSMSNs) was demonstrated for enhanced tumor chemotherapy. The mesoporous silica nanoparticles (MSNs) based nanocarriers were gated by β-cyclodextrin (β-CD) through the ROS-cleavable thioketal (TK) linker to encapsulate the anticancer drug doxorubicin hydrochloride (DOX) and ROS producing agent α-tocopheryl succinate (α-TOS), whose surface was further anchored with adamantane conjugated poly(ethylene glycol) chain (AD-PEG) via host-guest interaction...
March 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28324230/lentzea-chajnantorensis-sp-nov-an-actinobacterium-from-a-very-high-altitude-cerro-chajnantor-gravel-soil-in-northern-chile
#12
Hamidah Idris, Imen Nouioui, Juan A Asenjo, Alan T Bull, Michael Goodfellow
The taxonomic position of a filamentous actinobacterial strain, isolate H45(T), recovered from a high altitude Atacama Desert gravel soil, was established using a polyphasic approach. The strain, which is known to produce novel dienes, has chemotaxonomic and morphological properties typical of the genus Lentzea and formed a distinct branch in the Lentzea 16S rRNA gene tree that is closely related to the type strain of Lentzea kentuckyensis. The two strains were distinguished using a combination of phenotypic properties and by a DNA:DNA relatedness value of 37...
March 21, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28322550/multiplex-substrate-profiling-by-mass-spectrometry-for-kinases-reveals-quantitative-substrate-motifs
#13
Nicole Olson Meyer, Anthony J O'Donoghue, Ursula Schulze-Gahmen, Matthew Ravalin, Steven M Moss, Michael B Winter, Giselle M Knudsen, Charles S Craik
The more than 500 protein kinases comprising the human kinome catalyze hundreds of thousands of phosphorylation events to regulate a diversity of cellular functions; however, the extended substrate specificity is still unknown for many of these kinases. We report here a method for quantitatively describing kinase substrate specificity using an unbiased peptide library-based approach with direct measurement of phosphorylation by tandem LC-MS/MS peptide sequencing (Multiplex Substrate Profiling by Mass Spectrometry, MSP-MS)...
March 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28321940/anatomy-of-psoas-muscle-innervation-cadaveric-study
#14
Mark A Mahan, Luke E Sanders, Jian Guan, Andrew T Dailey, William Taylor, David A Morton
INTRODUCTION: Hip flexion weakness is relatively common after lateral transpsoas surgery. Persistent weakness may result from injury to the innervation of the psoas major muscles (PMMs); however, anatomical texts have conflicting descriptions of this innervation, and the branching pattern of the nerves within the psoas major, particularly relative to vertebral anatomy, has not been described. The authors dissected human cadavers to describe the branching pattern of nerves supplying the PMMs...
March 21, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28319661/atomistic-insights-into-nucleation-and-formation-of-hexagonal-boron-nitride-on-ni-from-first-principles-based-reactive-molecular-dynamics-simulations
#15
Song Liu, Adri C T van Duin, Diana M van Duin, Bin Liu, James H Edgar
Atomistic-scale insights into the growth of a continuous, atomically thin hexagonal boron nitride (hBN) lattice from elemental boron and nitrogen on Ni substrates were obtained from multi-scale modeling combining density functional theory (DFT) and reactive molecular dynamics (rMD). The quantum mechanical calculations focused on the adsorption and reaction energetics for the hBN building-block species, i.e., atomic B, N, BxNy (x, y = 1-2), on Ni(111) and Ni(211), and the diffusion pathways of elemental B and N on these slab model surfaces and in the sublayer...
March 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28319069/the-branched-chain-amino-acid-transaminase-1-sustains-growth-of-antiestrogen-resistant-and-er%C3%AE-negative-breast-cancer
#16
V Thewes, R Simon, M Hlevnjak, M Schlotter, P Schroeter, K Schmidt, Y Wu, T Anzeneder, W Wang, P Windisch, M Kirchgäßner, N Melling, N Kneisel, R Büttner, U Deuschle, H P Sinn, A Schneeweiss, S Heck, S Kaulfuss, H Hess-Stumpp, J G Okun, G Sauter, A E Lykkesfeldt, M Zapatka, B Radlwimmer, P Lichter, M Tönjes
Antiestrogen-resistant and triple-negative breast tumors pose a serious clinical challenge because of limited treatment options. We assessed global gene expression changes in antiestrogen-sensitive compared with antiestrogen-resistant (two tamoxifen resistant and two fulvestrant resistant) MCF-7 breast cancer cell lines. The branched-chain amino acid transaminase 1 (BCAT1), which catalyzes the first step in the breakdown of branched-chain amino acids, was among the most upregulated transcripts in antiestrogen-resistant cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28318665/the-relation-between-local-repolarization-and-t-wave-morphology-in-heart-failure-patients
#17
Francesco Maffessanti, Joris Wanten, Mark Potse, Francois Regoli, Maria Luce Caputo, Giulio Conte, Daniel Sürder, Annekatrin Illner, Rolf Krause, Tiziano Moccetti, Angelo Auricchio, Frits W Prinzen
BACKGROUND: Both duration and morphology of the T-wave are regarded important parameters describing repolarization of the ventricles. Conventionally, T-wave concordance is explained by an inverse relation between the time of depolarization (TD) and repolarization (TR). Little is known about T-wave morphology and TD-TR relations in patients with heart failure. METHODS: Electro-anatomic maps were obtained in the left (LV) and right ventricle (RV) and in the coronary sinus (CS) in patients with heart failure with narrow (nQRS, n=8) and wide QRS complex with (LBBB, n=15) and without left bundle branch block (non-LBBB, n=7)...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28318462/the-epidemiology-of-operation-stress-during-continuing-promise-2011-a-humanitarian-response-and-disaster-relief-mission-aboard-a-us-navy-hospital-ship
#18
William T Scouten, Melissa L Mehalick, Elizabeth Yoder, Andrea McCoy, Tracy Brannock, Mark S Riddle
Introduction Operational stress describes individual behavior in response to the occupational demands and tempo of a mission. The stress response of military personnel involved in combat and peace-keeping missions has been well-described. The spectrum of effect on medical professionals and support staff providing humanitarian assistance, however, is less well delineated. Research to date concentrates mainly on shore-based humanitarian missions. Problem The goal of the current study was to document the pattern of operational stress, describe factors responsible for it, and the extent to which these factors impact job performance in military and civilian participants of Continuing Promise 2011 (CP11), a ship-based humanitarian medical mission...
March 20, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28316207/-a-preliminary-discussion-on-the-contents-and-value-of-shi-er-mai-twelve-channels-and-bie-mai-allo-channels-the-medical-bamboo-slips-unearthed-from-han-tomb-in-laoguanshan-of-chengdu
#19
Y L Ren, F R Liang, J M Li, Z H Chen, Y T Wang, M X Yang, Z Z He
The 52 medical bamboo slips entitled Si er ma (Twelve Channels) and Bie mai (Allo-channels) , unearthed from Han tomb in Laoguanshan, are the exclusive medical books concerning channels. Shi er mai is the first work bearing the term " heart dominating channel" , and the running pathways and manifestations of 12 channels. This book could be the major original sources of the 12-channel theories described in the Chapter of Jing mai (Channels) of Ling shu (Miraculous Pivot) . While Bie mai suggests the coexistence of the multi-channel systems at the time when the book was compiled and, together with the 12 "channel" , and 3 "branched collaterals" , these 2 books represent the original condition before the establishment of the mode of channel circulation in Ling shu, and is significant to explore the nature and origin of channel...
January 28, 2017: Zhonghua Yi Shi za Zhi, Chinese Journal of Medical History
https://www.readbyqxmd.com/read/28314758/immune-checkpoint-dysfunction-in-medium-and-large-vessel-vasculitis
#20
Ryu Watanabe, Hui Zhang, Gerald Berry, Jorg J Goronzy, Cornelia M Weyand
Giant cell arteritis (GCA) is a granulomatous vasculitis of the aorta and its medium-sized branch vessels. CD4 T-cells, macrophages and dendritic cells build granulomatous infiltrates that injure the vessel wall and elicit a maladaptive response-to-injury. Pathologic consequences include fragmentation of elastic membranes, destruction of the medial layer, microvascular neoangiogenesis, massive outgrowth of myofibroblasts, and lumen-occlusive intimal hyperplasia. Antigens have been suspected to drive the local activation of vasculitogenic CD4 T-cells, but recent data suggest a more generalized defect in the threshold setting of such T-cells, rendering them hyperreactive...
March 17, 2017: American Journal of Physiology. Heart and Circulatory Physiology
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