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https://www.readbyqxmd.com/read/28324774/methylation-changes-of-sirt1-klf4-dapk1-and-spg20-in-b-lymphocytes-derived-from-follicular-and-diffuse-large-b-cell-lymphoma
#1
Raffaele Frazzi, Eleonora Zanetti, Mariaelena Pistoni, Ione Tamagnini, Riccardo Valli, Luca Braglia, Francesco Merli
Diffuse large-B cell lymphomas (DLBCL) and follicular lymphomas (FL) are the most represented subtypes among mature B-cell neoplasms and originate from malignant B lymphocytes. Methylation represents one of the major epigenetic mechanisms of gene regulation. Silent information regulator 1 (SIRT1) is a class III lysine-deacetylase playing several functions and considered to be a context-dependent tumor promoter. We present the quantitative methylation, gene expression and tissue distribution of SIRT1 and some key mediators related to lymphoma pathogenesis in B lymphocytes purified from biopsies of follicular hyperplasias, FL and DLBCL...
March 9, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28324643/unsymmetrical-iron-p-nh-p-catalysts-for-the-asymmetric-pressure-hydrogenation-of-aryl-ketones
#2
Robert Harold Morris, Samantha Alizabeth Michelle Smith, Paraskevi Olympia Lagaditis, Alan J Lough, Anne Lüpke
The reductive amination of -dialkylphosphine acetaldehydes with enantiopure -aminophosphines is a new, versatile route to unsymmetrical tridentate (pincer) ligands P-NH-P'. Four new ligands PR2CH2CH2NHCHR'CHR''PPh2 (R = iPr, Cy, R' = Ph, CH(CH3)2, R'' = Ph, H) prepared in this way are used to make the iron(II) complexes mer-FeCl2(CO)(P-NH-P') and mer-FeCl(H)(CO)(P-NH-P'). The hydride complex with the rigid ligand with R'= R''= Ph is an efficient and highly enantioselective homogeneous asymmetric pressure hydrogenation (APH) catalyst...
March 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28320202/identification-and-expression-of-equine-mer-derived-mirnas
#3
Jeong-An Gim, Heui-Soo Kim
MicroRNAs (miRNAs) are single-stranded, small RNAs (21-23 nucleotides) that function in gene silencing and translational inhibition via the RNA interference mechanism. Most miRNAs originate from host genomic regions, such as intergenic regions, introns, exons, and transposable elements (TEs). Here, we focused on the palindromic structure of medium reiteration frequencies (MERs), which are similar to precursor miRNAs. Five MER consensus sequences (MER5A1, MER53, MER81, MER91C, and MER117) were matched with paralogous transcripts predicted to be precursor miRNAs in the horse genome (equCab2) and located in either intergenic regions or introns...
March 21, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28320016/annals-consult-guys-not-so-grand-a-postoperative-seizure
#4
Geno J Merli, Howard H Weitz
No abstract text is available yet for this article.
March 21, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28318484/domestic-pig-unlikely-reservoir-for-mers-cov
#5
Emmie de Wit, Friederike Feldmann, Eva Horne, Cynthia Martellaro, Elaine Haddock, Trenton Bushmaker, Kyle Rosenke, Atsushi Okumura, Rebecca Rosenke, Greg Saturday, Dana Scott, Heinz Feldmann
We tested the suitability of the domestic pig as a model for Middle East respiratory syndrome coronavirus (MERS-CoV) infection. Inoculation did not cause disease, but a low level of virus replication, shedding, and seroconversion were observed. Pigs do not recapitulate human MERS-CoV and are unlikely to constitute a reservoir in nature.
June 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28314561/dna-vaccine-encoding-middle-east-respiratory-syndrome-coronavirus-s1-protein-induces-protective-immune-responses-in-mice
#6
Hang Chi, Xuexing Zheng, Xiwen Wang, Chong Wang, Hualei Wang, Weiwei Gai, Stanley Perlman, Songtao Yang, Jincun Zhao, Xianzhu Xia
The Middle East respiratory syndrome coronavirus (MERS-CoV), is an emerging pathogen that continues to cause outbreaks in the Arabian peninsula and in travelers from this region, raising the concern that a global pandemic could occur. Here, we show that a DNA vaccine encoding the first 725 amino acids (S1) of MERS-CoV spike (S) protein induces antigen-specific humoral and cellular immune responses in mice. With three immunizations, high titers of neutralizing antibodies (up to 1: 10(4)) were generated without adjuvant...
March 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28301169/conformational-dynamics-of-cyanocobalamin-and-its-conjugates-with-peptide-nucleic-acids
#7
Tomasz Pieńko, Aleksandra J Wierzba, Monika Wojciechowska, Dorota Gryko, Joanna Trylska
Vitamin B12 also called cobalamin (Cbl) is an important enzymatic co-factor taken up by mammalian and also by many bacterial cells. Peptide nucleic acid (PNA) is a synthetic DNA analogue that has the ability to bind in a complementary manner to natural nucleic acids. Provided that PNA is efficiently delivered to cells, it could act as a steric blocker of functional DNA or RNA and regulate gene expression at the level of transcription or translation. Recently, Cbl has been examined as a transporter of various molecules to cells...
March 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28300392/generation-and-characterization-of-virus-infection-enhancing-peptide-nanofibrils-functionalized-with-fluorescent-labels
#8
Sascha Rode, Manuel Hayn, Annika Röcker, Stefanie Sieste, Marcus Lamla, Daniel Markx, Christoph Meier, Frank Kirchhoff, Paul Walther, Marcus Fändrich, Tanja Weil, Jan Muench
Retroviral gene transfer is the method of choice for the stable introduction of genetic material into the cellular genome. However, efficient gene transfer is often limited by low transduction rates of the viral vectors. We have recently described a 12-mer peptide, termed EF-C that forms amyloid-like peptide nanofibrils (PNF) strongly increasing viral transduction efficiencies. These nanofibrils are polycationic and bind negatively charged membranes of virions and cells, thereby overcoming charge repulsions and resulting in increased rates of virion attachment and gene transfer...
March 16, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28300074/total-synthesis-of-mycobacterial-arabinogalactan-containing-92-monosaccharide-units
#9
Yong Wu, De-Cai Xiong, Si-Cong Chen, Yong-Shi Wang, Xin-Shan Ye
Carbohydrates are diverse bio-macromolecules with highly complex structures that are involved in numerous biological processes. Well-defined carbohydrates obtained by chemical synthesis are essential to the understanding of their functions. However, synthesis of carbohydrates is greatly hampered by its insufficient efficiency. So far, assembly of long carbohydrate chains remains one of the most challenging tasks for synthetic chemists. Here we describe a highly efficient assembly of a 92-mer polysaccharide by the preactivation-based one-pot glycosylation protocol...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28298431/canu-scalable-and-accurate-long-read-assembly-via-adaptive-k-mer-weighting-and-repeat-separation
#10
Sergey Koren, Brian P Walenz, Konstantin Berlin, Jason R Miller, Nicholas H Bergman, Adam M Phillippy
Long-read single-molecule sequencing has revolutionized de novo genome assembly and enabled the automated reconstruction of reference-quality genomes. However, given the relatively high error rates of such technologies, efficient and accurate assembly of large repeats and closely related haplotypes remains challenging. We address these issues with Canu, a successor of Celera Assembler that is specifically designed for noisy single-molecule sequences. Canu introduces support for nanopore sequencing, halves depth-of-coverage requirements, and improves assembly continuity while simultaneously reducing runtime by an order of magnitude on large genomes versus Celera Assembler 8...
March 15, 2017: Genome Research
https://www.readbyqxmd.com/read/28297993/jamming-for-nematic-deposition-in-the-presence-of-impurities
#11
E E Vogel, J F Valdes, W Lebrecht, A J Ramirez-Pastor, P Centres
The deposition of one-dimensional objects (such as polymers) on a one-dimensional lattice with the presence of impurities is studied in order to find saturation conditions in what is known as jamming. Over a critical concentration of k-mers (polymers of length k), no further depositions are possible. Five different nematic (directional) depositions are considered: baseline, irreversible, configurational, loose-packing, and close-packing. Correspondingly, five jamming functions are found, and their dependencies on the length of the lattice, L, the concentration of impurities, p=M/L (where M is the number of one-dimensional impurities), and the length of the k-mer (k) are established...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28292266/microrna-categorization-using-sequence-motifs-and-k-mers
#12
Malik Yousef, Waleed Khalifa, İlhan Erkin Acar, Jens Allmer
BACKGROUND: Post-transcriptional gene dysregulation can be a hallmark of diseases like cancer and microRNAs (miRNAs) play a key role in the modulation of translation efficiency. Known pre-miRNAs are listed in miRBase, and they have been discovered in a variety of organisms ranging from viruses and microbes to eukaryotic organisms. The computational detection of pre-miRNAs is of great interest, and such approaches usually employ machine learning to discriminate between miRNAs and other sequences...
March 14, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28292256/a-novel-measure-and-significance-testing-in-data-analysis-of-cell-image-segmentation
#13
Jin Chu Wu, Michael Halter, Raghu N Kacker, John T Elliott, Anne L Plant
BACKGROUND: Cell image segmentation (CIS) is an essential part of quantitative imaging of biological cells. Designing a performance measure and conducting significance testing are critical for evaluating and comparing the CIS algorithms for image-based cell assays in cytometry. Many measures and methods have been proposed and implemented to evaluate segmentation methods. However, computing the standard errors (SE) of the measures and their correlation coefficient is not described, and thus the statistical significance of performance differences between CIS algorithms cannot be assessed...
March 14, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28292178/antisense-oligonucleotides-internally-labeled-with-peptides-show-improved-target-recognition-and-stability-to-enzymatic-degradation
#14
Maria Taskova, Charlotte S Madsen, Knud J Jensen, Lykke Haastrup Hansen, Birte Vester, Kira Astakhova
Specific target binding and stability in diverse biological media is of crucial importance for applications of synthetic oligonucleotides as diagnostic and therapeutic tools. So far, these issues have been addressed by chemical modification of oligonucleotides and by conjugation with a peptide, most often at the terminal position of the oligonucleotide. Herein, we for the first time systematically investigate the influence of internally attached short peptides on the properties of antisense oligonucleotides...
March 15, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28291393/early-positron-emission-tomography-response-adapted-treatment-in-stage-i-and-ii-hodgkin-lymphoma-final-results-of-the-randomized-eortc-lysa-fil-h10-trial
#15
Marc P E André, Théodore Girinsky, Massimo Federico, Oumédaly Reman, Catherine Fortpied, Manuel Gotti, Olivier Casasnovas, Pauline Brice, Richard van der Maazen, Alessandro Re, Véronique Edeline, Christophe Fermé, Gustaaf van Imhoff, Francesco Merli, Réda Bouabdallah, Catherine Sebban, Lena Specht, Aspasia Stamatoullas, Richard Delarue, Valeria Fiaccadori, Monica Bellei, Tiana Raveloarivahy, Annibale Versari, Martin Hutchings, Michel Meignan, John Raemaekers
Purpose Patients who receive combined modality treatment for stage I and II Hodgkin lymphoma (HL) have an excellent outcome. Early response evaluation with positron emission tomography (PET) scan may improve selection of patients who need reduced or more intensive treatments. Methods We performed a randomized trial to evaluate treatment adaptation on the basis of early PET (ePET) after two cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) in previously untreated-according to European Organisation for Research and Treatment of Cancer criteria favorable (F) and unfavorable (U)-stage I and II HL...
March 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28289437/best-hits-of-11110110111-model-free-selection-and-parameter-free-sensitivity-calculation-of-spaced-seeds
#16
Laurent Noé
BACKGROUND: Spaced seeds, also named gapped q-grams, gapped k-mers, spaced q-grams, have been proven to be more sensitive than contiguous seeds (contiguous q-grams, contiguous k-mers) in nucleic and amino-acid sequences analysis. Initially proposed to detect sequence similarities and to anchor sequence alignments, spaced seeds have more recently been applied in several alignment-free related methods. Unfortunately, spaced seeds need to be initially designed. This task is known to be time-consuming due to the number of spaced seed candidates...
2017: Algorithms for Molecular Biology: AMB
https://www.readbyqxmd.com/read/28282400/developing-a-benchmark-for-emotional-analysis-of-music
#17
Anna Aljanaki, Yi-Hsuan Yang, Mohammad Soleymani
Music emotion recognition (MER) field rapidly expanded in the last decade. Many new methods and new audio features are developed to improve the performance of MER algorithms. However, it is very difficult to compare the performance of the new methods because of the data representation diversity and scarcity of publicly available data. In this paper, we address these problems by creating a data set and a benchmark for MER. The data set that we release, a MediaEval Database for Emotional Analysis in Music (DEAM), is the largest available data set of dynamic annotations (valence and arousal annotations for 1,802 songs and song excerpts licensed under Creative Commons with 2Hz time resolution)...
2017: PloS One
https://www.readbyqxmd.com/read/28282211/observation-of-the-annihilation-decay-mode-b-0-%C3%A2-k-k
#18
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, A Zhelezov, Y Zheng, A Zhokhov, X Zhu, V Zhukov, S Zucchelli
A search for the B^{0}→K^{+}K^{-} decay is performed using pp-collision data collected by LHCb. The data set corresponds to integrated luminosities of 1.0 and 2.0  fb^{-1} at center-of-mass energies of 7 and 8 TeV, respectively. This decay is observed for the first time, with a significance of more than 5 standard deviations. The analysis also results in an improved measurement of the branching fraction for the B_{s}^{0}→π^{+}π^{-} decay. The measured branching fractions are B(B^{0}→K^{+}K^{-})=(7...
February 24, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28280938/viral-load-of-ebv-dnaemia-is-a-predictor-of-ebv-related-post-transplant-lymphoproliferative-disorders-in-pediatric-renal-transplant-recipients
#19
Elisa Colombini, Isabella Guzzo, Federica Morolli, Germana Longo, Cristina Russo, Alessandra Lombardi, Pietro Merli, Luisa Barzon, Luisa Murer, Simone Piga, Marta Luisa Ciofi Degli Atti, Franco Locatelli, Luca Dello Strologo
BACKGROUND: Post-transplant lymphoproliferative disorder (PTLD) is a severe complication of solid organ transplantation that can be classified into two major subtypes, namely, early lesions and non-early lesions, based on histopathological findings. In the vast majority of cases, proliferating cells are B lymphocytes and, most frequently, proliferation is induced by Epstein-Barr virus (EBV) infection. METHODS: The aim of our study was to evaluate the natural history of EBV infection and its possible evolution toward PTLD in a pediatric cohort of patients who received a renal transplant between January 2000 and December 2013...
March 9, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28277821/receptor-binding-domain-of-mers-cov-with-optimal-immunogen-dosage-and-immunization-interval-protects-human-transgenic-mice-from-mers-cov-infection
#20
Yufei Wang, Wanbo Tai, Jie Yang, Guangyu Zhao, Shihui Sun, Chien-Te K Tseng, Shibo Jiang, Yusen Zhou, Lanying Du, Jimin Gao
Middle East respiratory syndrome (MERS) continues to raise worldwide concerns due to its pandemic potential. Increased MERS cases and no licensed MERS vaccines highlight the need to develop safe and effective vaccines against MERS. We have previously demonstrated that a receptor-binding domain (RBD) fragment containing residues 377-588 of MERS-coronavirus (MERS-CoV) spike protein is a critical neutralizing domain and an important vaccine target. Nevertheless, its optimal immunogen dosage and immunization interval, key factors for human-used vaccines that induce protective immunity, have never been investigated...
March 9, 2017: Human Vaccines & Immunotherapeutics
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