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https://www.readbyqxmd.com/read/28212410/a-high-throughput-genetic-screen-identifies-previously-uncharacterized-borrelia-burgdorferi-genes-important-for-resistance-against-reactive-oxygen-and-nitrogen-species
#1
Meghan E Ramsey, Jenny A Hyde, Diana N Medina-Perez, Tao Lin, Lihui Gao, Maureen E Lundt, Xin Li, Steven J Norris, Jon T Skare, Linden T Hu
Borrelia burgdorferi, the causative agent of Lyme disease in humans, is exposed to reactive oxygen and nitrogen species (ROS and RNS) in both the tick vector and vertebrate reservoir hosts. B. burgdorferi contains a limited repertoire of canonical oxidative stress response genes, suggesting that novel gene functions may be important for protection of B. burgdorferi against ROS or RNS exposure. Here, we use transposon insertion sequencing (Tn-seq) to conduct an unbiased search for genes involved in resistance to nitric oxide, hydrogen peroxide, and tertiary-butyl hydroperoxide in vitro...
February 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28212373/poly-adp-ribose-polymerase-1-mrna-levels-strongly-correlate-with-the-prognosis-of-myelodysplastic-syndromes
#2
P Diamantopoulos, K Zervakis, P Zervakis, M Sofotasiou, T Vassilakopoulos, I Kotsianidis, A Symeonidis, V Pappa, A Galanopoulos, E Solomou, E Kodandreopoulou, V Papadopoulou, P Korkolopoulou, M Mantzourani, G Kyriakakis, N-A Viniou
Poly (ADP-ribose) polymerase 1 (PARP-1) has a central role in the repair of DNA breaks and is a promising treatment target in malignancy. We measured PARP1 mRNA levels by a SYBR-green-based PCR in the bone marrow of 74 patients with myelodysplastic syndrome (MDS) and correlated them to their demographic, hematologic and prognostic characteristics. The median PARP1 mRNA levels were correlated to the type of MDS (2008/2016 WHO classification, P=0.005) and to the IPSS score (P=0.002). A correlation was also found with the IPSS-R score (P=0...
February 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28211899/spatial-regularity-of-inas-gaas-quantum-dots-quantifying-the-dependence-of-lateral-ordering-on-growth-rate
#3
T Konishi, E Clarke, C W Burrows, J J Bomphrey, R Murray, G R Bell
The lateral ordering of arrays of self-assembled InAs-GaAs quantum dots (QDs) has been quantified as a function of growth rate, using the Hopkins-Skellam index (HSI). Coherent QD arrays have a spatial distribution which is neither random nor ordered, but intermediate. The lateral ordering improves as the growth rate is increased and can be explained by more spatially regular nucleation as the QD density increases. By contrast, large and irregular 3D islands are distributed randomly on the surface. This is consistent with a random selection of the mature QDs relaxing by dislocation nucleation at a later stage in the growth, independently of each QD's surroundings...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211839/use-of-speech-generating-devices-can-improve-perception-of-qualifications-for-skilled-verbal-and-interactive-jobs
#4
Steven E Stern, Chelsea M Chobany, Alexander A Beam, Brittany N Hoover, Thomas T Hull, Melissa Linsenbigler, Courtney Makdad-Light, Courtney N Rubright
BACKGROUND: We have previously demonstrated that when speech generating devices (SGD) are used as assistive technologies, they are preferred over the users' natural voices. OBJECTIVE: We sought to examine whether using SGDs would affect listener's perceptions of hirability of people with complex communication needs. METHODS: In a series of three experiments, participants rated videotaped actors, one using SGD and the other using their natural, mildly dysarthric voice, on (a) a measurement of perceptions of speaker credibility, strength, and informedness and (b) measurements of hirability for jobs coded in terms of skill, verbal ability, and interactivity...
February 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28211807/two-dimensional-shear-wave-elastography-of-breast-lesions-comparison-of-two-different-systems
#5
Wei-Wei Ren, Xiao-Long Li, Ya-Ping He, Dan-Dan Li, Dan Wang, Chong-Ke Zhao, Xiao-Wan Bo, Bo-Ji Liu, Wen-Wen Yue, Hui-Xiong Xu
OBJECTIVE: To evaluate the diagnostic performance of two different shear wave elastography (SWE) techniques in distinguishing malignant breast lesions from benign ones. MATERIALS AND METHODS: From March 2016 to May 2016, a total of 153 breast lesions (mean diameter, 16.8 mm±10.5; range 4.1-90.0 mm) in 153 patients (mean age, 46.4 years±15.1; age range 20-86 years) were separately performed by two different SWE techniques (i.e. T-SWE, Aplio500, Toshiba Medical System, Tochigi, Japan; and S-SWE, the Aixplorer US system, SuperSonic Imagine, Provence, France)...
February 17, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28211732/time-reversal-measurement-of-the-p-wave-cross-sections-of-the-7-be-n-%C3%AE-4-he-reaction-for-the-cosmological-li-problem
#6
T Kawabata, Y Fujikawa, T Furuno, T Goto, T Hashimoto, M Ichikawa, M Itoh, N Iwasa, Y Kanada-En'yo, A Koshikawa, S Kubono, E Miyawaki, M Mizuno, K Mizutani, T Morimoto, M Murata, T Nanamura, S Nishimura, S Okamoto, Y Sakaguchi, I Sakata, A Sakaue, R Sawada, Y Shikata, Y Takahashi, D Takechi, T Takeda, C Takimoto, M Tsumura, K Watanabe, S Yoshida
The cross sections of the ^{7}Be(n,α)^{4}He reaction for p-wave neutrons were experimentally determined at E_{c.m.}=0.20-0.81  MeV slightly above the big bang nucleosynthesis (BBN) energy window for the first time on the basis of the detailed balance principle by measuring the time-reverse reaction. The obtained cross sections are much larger than the cross sections for s-wave neutrons inferred from the recent measurement at the n_TOF facility in CERN, but significantly smaller than the theoretical estimation widely used in the BBN calculations...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211722/measurement-of-the-b-quark-production-cross-section-in-7-and-13%C3%A2-tev-pp-collisions
#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, 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, 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 Campora Perez, 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, 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, Ch Elsasser, S Ely, S Esen, H M Evans, T Evans, A Falabella, N Farley, S Farry, R Fay, D Fazzini, D Ferguson, V Fernandez Albor, 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, 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, D Lambert, 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, 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, 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, A Shires, 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, M Teklishyn, 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, X Vilasis-Cardona, 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, S Wright, 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
Measurements of the cross section for producing b quarks in the reaction pp→bb[over ¯]X are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapidity η in the range 2<η<5 covered by the acceptance of the LHCb experiment. The measurements are done using semileptonic decays of b-flavored hadrons decaying into a ground-state charmed hadron in association with a muon. The cross sections in the covered η range are 72.0±0.3±6.8 and 154.3±1.5±14.3  μb for 7 and 13 TeV...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211706/observation-of-d-0-%C3%A2-%C3%AF-0-%C3%AE-and-search-for-cp-violation-in-radiative-charm-decays
#8
T Nanut, A Zupanc, I Adachi, H Aihara, S Al Said, D M Asner, V Aulchenko, T Aushev, R Ayad, V Babu, I Badhrees, A M Bakich, V Bansal, P Behera, V Bhardwaj, J Biswal, A Bondar, A Bozek, M Bračko, T E Browder, D Červenkov, V Chekelian, A Chen, B G Cheon, R Chistov, K Cho, S-K Choi, Y Choi, D Cinabro, N Dash, S Di Carlo, Z Doležal, D Dutta, S Eidelman, H Farhat, J E Fast, T Ferber, B G Fulsom, V Gaur, N Gabyshev, A Garmash, R Gillard, P Goldenzweig, B Golob, K Hayasaka, H Hayashii, W-S Hou, T Iijima, K Inami, G Inguglia, A Ishikawa, Y Iwasaki, W W Jacobs, I Jaegle, D Joffe, K K Joo, T Julius, A B Kaliyar, K H Kang, T Kawasaki, D Y Kim, J B Kim, K T Kim, M J Kim, S H Kim, K Kinoshita, P Kodyš, S Korpar, P Krokovny, T Kuhr, R Kulasiri, A Kuzmin, Y-J Kwon, J S Lange, I S Lee, C H Li, L Li, Y Li, L Li Gioi, J Libby, D Liventsev, M Lubej, M Masuda, T Matsuda, D Matvienko, K Miyabayashi, H Miyata, R Mizuk, G B Mohanty, H K Moon, M Nakao, K J Nath, M Nayak, N K Nisar, S Nishida, S Ogawa, S Okuno, P Pakhlov, G Pakhlova, B Pal, C-S Park, C W Park, H Park, S Paul, T K Pedlar, L Pesántez, R Pestotnik, M Petrič, L E Piilonen, K Prasanth, C Pulvermacher, J Rauch, M Ritter, A Rostomyan, Y Sakai, S Sandilya, L Santelj, T Sanuki, Y Sato, V Savinov, T Schlüter, O Schneider, G Schnell, C Schwanda, A J Schwartz, Y Seino, K Senyo, O Seon, M E Sevior, V Shebalin, C P Shen, T-A Shibata, J-G Shiu, B Shwartz, E Solovieva, S Stanič, M Starič, J F Strube, J Stypula, T Sumiyoshi, M Takizawa, U Tamponi, F Tenchini, K Trabelsi, M Uchida, S Uno, Y Ushiroda, G Varner, A Vinokurova, V Vorobyev, A Vossen, C H Wang, M-Z Wang, P Wang, Y Watanabe, E Widmann, E Won, J Yamaoka, Y Yamashita, J Yelton, Z P Zhang, V Zhilich, V Zhukova, V Zhulanov
We report the first observation of the radiative charm decay D^{0}→ρ^{0}γ and the first search for CP violation in decays D^{0}→ρ^{0}γ, ϕγ, and K[over ¯]^{*0}(892)γ, using a data sample of 943  fb^{-1} collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The branching fraction is measured to be B(D^{0}→ρ^{0}γ)=(1.77±0.30±0.07)×10^{-5}, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries A_{CP}(D^{0}→ρ^{0}γ)=+0...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211704/observation-of-classical-quantum-crossover-of-1-f-flux-noise-and-its-paramagnetic-temperature-dependence
#9
C M Quintana, Yu Chen, D Sank, A G Petukhov, T C White, Dvir Kafri, B Chiaro, A Megrant, R Barends, B Campbell, Z Chen, A Dunsworth, A G Fowler, R Graff, E Jeffrey, J Kelly, E Lucero, J Y Mutus, M Neeley, C Neill, P J J O'Malley, P Roushan, A Shabani, V N Smelyanskiy, A Vainsencher, J Wenner, H Neven, John M Martinis
By analyzing the dissipative dynamics of a tunable gap flux qubit, we extract both sides of its two-sided environmental flux noise spectral density over a range of frequencies around 2k_{B}T/h≈1  GHz, allowing for the observation of a classical-quantum crossover. Below the crossover point, the symmetric noise component follows a 1/f power law that matches the magnitude of the 1/f noise near 1 Hz. The antisymmetric component displays a 1/T dependence below 100 mK, providing dynamical evidence for a paramagnetic environment...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211163/new-functional-assays-to-selectively-quantify-the-apc-and-tfpi-cofactor-activities-of-protein-s-in-plasma
#10
N Alshaikh, J Rosing, M C L G D Thomassen, E Castoldi, P Simioni, T M Hackeng
BACKGROUND: Protein S plays an important role in the down-regulation of coagulation as cofactor for activated protein C (APC) and tissue factor pathway inhibitor (TFPI). AIM: To develop functional assays to quantify the APC- and TFPI-cofactor activities of protein S in plasma. METHODS: APC- and TFPI-cofactor activities of protein S in plasma were measured using calibrated automated thrombography in protein S-depleted plasma supplemented with a small amount of sample plasma either in the presence of anti-TFPI antibodies and APC (APC-cofactor activity) or at excess full-length TFPI without APC (TFPI-cofactor activity)...
February 17, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28211029/influence-of-segmental-body-composition-and-adiposity-hormones-on-resting-metabolic-rate-and-substrate-utilization-in-overweight-and-obese-adults
#11
K R Hirsch, A E Smith-Ryan, M N M Blue, M G Mock, E T Trexler
PURPOSE: Low resting metabolic rate (RMR) and high carbohydrate reliance at rest are associated with weight gain, but are highly variable in obese individuals. This study determined the relationship of total and segmental body composition and adiposity hormones with RMR and respiratory exchange ratio (RER) in overweight and obese adults. METHODS: In 49 men (n = 23) and premenopausal women (n = 26) [mean ± SD; age = 35.0 ± 8.9 years; body mass index (BMI) = 33...
February 16, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28210658/patellar-maltracking-persists-in-adolescent-females-with-patellofemoral-pain-a-longitudinal-study
#12
Victor R Carlson, Barry P Boden, Aricia Shen, Jennifer N Jackson, Katharine E Alter, Frances T Sheehan
BACKGROUND: Patellofemoral pain is one of the most common conditions seen in sports medicine practices, particularly among adolescent females. However, the natural history of the underlying pathology in patellofemoral pain during puberty remains poorly understood. PURPOSE: The purpose of this longitudinal study is to assess changes in patellar maltracking patterns in subjects with patellofemoral pain as they mature from mid- to late adolescence. STUDY DESIGN: Cohort study; Level of evidence, 3...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210480/cross-cultural-psychometric-evaluation-of-the-dutch-mcgill-qol-questionnaire-for-breast-cancer-patients
#13
T De Vrieze, D Coeck, H Verbelen, N Devoogdt, W Tjalma, N Gebruers
AIM OF THE STUDY: Assessing the cross-cultural psychometric properties of the Dutch-MQoL for breast cancer patients. METHODS: 26 patients were recruited at the Antwerp University Hospital. Eligible patients filled in the MQoL on different moments in time in order to evaluate clinimetric properties. To determine the validity; MQoL was correlated to the EORTC QLQ-C30. Internal consistency was analysed using Cronbach's and test-retest reliability was determined by ICC...
December 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28210345/the-dutch-technical-tactical-tennis-test-d4t-for-talent-identification-and-development-psychometric-characteristics
#14
Nikki Kolman, Barbara Huijgen, Tamara Kramer, Marije Elferink-Gemser, Chris Visscher
This study examined the test-retest reliability, validity and feasibility of the newly developed Dutch Technical-Tactical Tennis Test (D4T). This new test is relevant for talent identification and development in tennis. Thirty-two youth male tennis players (age 13.4 ± 0.5) were classified as elite (n = 15) or sub-elite (n = 17) according to their position on the national youth ranking list under 15 years (cut-off rank 50) in the Netherlands. Games, rallies and different tactical situations (i.e. offensive, neutral and defensive) were simulated with a ball machine...
January 1, 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28209774/methyl-donor-supplementation-alters-cognitive-performance-and-motivation-in-female-offspring-from-high-fat-diet-fed-dams
#15
Sarah E McKee, Nicola M Grissom, Christopher T Herdt, Teresa M Reyes
During gestation, fetal nutrition is entirely dependent on maternal diet. Maternal consumption of excess fat during pregnancy has been linked to an increased risk of neurologic disorders in offspring, including attention deficit/hyperactivity disorder, autism, and schizophrenia. In a mouse model, high-fat diet (HFD)-fed offspring have cognitive and executive function deficits as well as whole-genome DNA and promoter-specific hypomethylation in multiple brain regions. Dietary methyl donor supplementation during pregnancy or adulthood has been used to alter DNA methylation and behavior...
February 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28209773/mannan-binding-lectin-a-serum-collectin-suppresses-t-cell-proliferation-via-direct-interaction-with-cell-surface-calreticulin-and-inhibition-of-proximal-t-cell-receptor-signaling
#16
Na Zhao, Jie Wu, Simin Xiong, Liyun Zhang, Xiao Lu, Shangliang Chen, Qifeng Wu, Hailan Wang, Ying Liu, Zhengliang Chen, Daming Zuo
Mannan binding lectin (MBL), initially described to activate the complement pathway, is also known to be involved in the pathogenesis of autoimmune diseases. We report a thus far unknown function of MBL as a suppressor of T-cell activation. MBL markedly inhibited T-cell proliferation induced by anti-CD3 and anti-CD28 antibodies. Moreover, the presence of MBL during T-cell priming interfered with proximal T-cell receptor signaling by decreasing phosphorylation of Lck, ZAP-70, and LAT. MBL bound to T cells through interaction between the collagen-like region of MBL and calreticulin (CRT) expressed on the T-cell surface...
February 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28209528/decellularized-human-colorectal-cancer-matrices-polarize-macrophages-towards-an-anti-inflammatory-phenotype-promoting-cancer-cell-invasion-via-ccl18
#17
M L Pinto, E Rios, A C Silva, S C Neves, H R Caires, A T Pinto, C Durães, F A Carvalho, A P Cardoso, N C Santos, C C Barrias, D S Nascimento, P Pinto-do-Ó, M A Barbosa, F Carneiro, M J Oliveira
Macrophages are frequently identified in solid tumors, playing important roles in cancer progression. Their remarkable plasticity makes them very sensitive to environmental factors, including the extracellular matrix (ECM). In the present work, we investigated the impact of human colorectal tumor matrices on macrophage polarization and on macrophage-mediated cancer cell invasion. Accordingly, we developed an innovative 3D-organotypic model, based on the decellularization of normal and tumor tissues derived from colorectal cancer patients' surgical resections...
February 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/28209503/lymphoma-of-the-eyelid-an-international-multicenter-retrospective-study
#18
Frederik Holm Svendsen, Peter Kristian Rasmussen, Sarah E Coupland, Bita Esmaeli, Paul T Finger, Gerardo F Graue, Hans E Grossniklaus, Santosh G Honavar, Jwu Jin Khong, Penelope A McKelvie, Kaustubh Mulay, Elisabeth Ralfkiaer, Lene Dissing Sjö, Geeta K Vemuganti, Bradley A Thuro, Jeremy Curtin, Steffen Heegaard
PURPOSE: To document subtype-specific clinical features of lymphoma of the eyelid, and their effect on patient outcome. DESIGN: Retrospective observational case series. METHODS: Patient data were collected from 7 international eye cancer centers from January 1st 1980 through December 31st 2015. The cases included primary and secondary lymphomas affecting the eyelid. Overall survival, disease-specific survival (DSS), and progression-free survival were the primary end points...
February 13, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28208780/preparation-of-constrained-geometry-titanium-complexes-of-1-2-azasilinane-framework-for-ethylene-1-octene-copolymerization
#19
Seul Lee, Seung Soo Park, Jin Gu Kim, Chung Sol Kim, Bun Yeoul Lee
The Me₂Si-bridged ansa-Cp/amido half-metallocene, [Me₂Si(η⁵-Me₄C₅)(N(t)Bu)]TiCl₂, termed a "constrained-geometry catalyst (CGC)", is a representative homogeneous Ziegler catalyst. CGC derivatives with the [1,2]azasilinane framework, in which the amide alkyl substituent is joined by the Si-bridge, were prepared, and the catalytic performances of these species was studied. Me₄C₅HSi(Me)(CH₂CH=CH₂)-NH(C(R)(R')CH=CH₂) (R, R' = H or methyl; Me₄C₅H = tetramethylcyclopentadienyl) was susceptible to ring closure metathesis (RCM) when treated with Schrock's Mo-catalyst to afford -Si(Me₄C₅H)(Me)CH₂CH=CHC(R)(R')NH- containing a six-membered ring framework...
February 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28208402/measurements-of-the-stabilities-of-isolated-retinal-chromophores
#20
L Musbat, M Nihamkin, Y Toker, J M Dilger, D R Fuller, T J El-Baba, D E Clemmer, S Sarkar, L Kronik, A Hirshfeld, N Friedman, M Sheves
The barrier energies for isomerization and fragmentation were measured for a series of retinal chromophore derivatives using a tandem ion mobility spectrometry approach. These measurements allow us to quantify the effect of charge delocalization on the rigidity of chromophores. We find that the role of the methyl group on the C13 position is pivotal regarding the ground state dynamics of the chromophore. Additionally, a correlation between quasi-equilibrium isomer distribution and fragmentation pathways is observed...
January 2017: Physical Review. E
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