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Found 37769 matches. Displaying 5091-5100
Le Gall A, Cattoni DI, Guilhas B, Mathieu-Demaziere C, Oudjedi L, Fiche JB, Rech J, Abrahamsson S, Murray H, Bouet JY, Nollmann M
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Bacterial partition complexes segregate within the volume of the nucleoid
NATURE COMMUNICATIONS 2016 JUL; 7(?):? Article 12107
Precise and rapid DNA segregation is required for proper inheritance of genetic material. In most bacteria and archaea, this process is assured by a broadly conserved mitotic-like apparatus in which a NTPase (ParA) displaces the partition complex. Competing observations and models imply starkly different 3D localization patterns of the components of the partition machinery during segregation. Here we use super-resolution microscopies to localize in 3D each component of the segregation apparatus with respect to the bacterial chromosome. We show that Par proteins locate within the nucleoid volume and reveal that proper volumetric localization and segregation of partition complexes requires ATPase and DNA-binding activities of ParA. Finally, we find that the localization patterns of the different components of the partition system highly correlate with dense chromosomal regions. We propose a new mechanism in which the nucleoid provides a scaffold to guide the proper segregation of partition complexes.
Kow LM, Pataky S, Dupre C, Phan A, Martin-Alguacil N, Pfaff DW
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Analyses of rapid estrogen actions on rat ventromedial hypothalamic neurons
STEROIDS 2016 JUL; 111(?):100-112
Rapid estrogen actions are widely diverse across many cell types. We conducted a series of electrophysiological studies on single rat hypothalamic neurons and found that estradiol (E2) could rapidly and independently potentiate neuronal excitation/depolarizations induced by histamine (HA) and N-Methyl-D-Aspartate (NMDA). Now, the present whole-cell patch study was designed to determine whether E2 potentiates HA and NMDA depolarizations - mediated by distinctly different types of receptors - by the same or by different mechanisms. For this, the actions of HA, NMDA, as well as E2, were investigated first using various ion channel blockers and then by analyzing and comparing their channel activating characteristics. Results indicate that: first, both HA and NMDA depolarize neurons by Inhibiting K+ currents. Second, E2 potentiates both HA and NMDA depolarizations by enhancing the inhibition of K+ currents, an inhibition caused by the two transmitters. Third, E2 employs the very same mechanism, the enhancement of K+ current inhibition, thus to rapidly potentiate HA and NMDA depolarizations. These data are of behavioral importance, since the rapid E2 potentiation of depolarization synergizes with nuclear genomic actions of E2 to facilitate lordosis behavior, the primary female-typical reproductive behavior. (C) 2016 Elsevier Inc. All rights reserved.
de Medeiros AKA, Lodewick E, Bogaert DJA, Haerynck F, Van Daele S, Lambrecht B, Bosma S, Vanderdonckt L, Lortholary O, Migaud M, Casanova JL, Puel A, Lanternier F, Lambert J, Brochez L, Dullaers M
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Chronic and Invasive Fungal Infections in a Family with CARD9 Deficiency (vol 36, pg 204, 2016)
JOURNAL OF CLINICAL IMMUNOLOGY 2016 JUL; 36(5):528-528
Gulati N, Carvajal RD, Postow MA, Wolchok JD, Krueger JG
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Definite regression of cutaneous melanoma metastases upon addition of topical contact sensitizer diphencyprone to immune checkpoint inhibitor treatment
EXPERIMENTAL DERMATOLOGY 2016 JUL; 25(7):553-554
Mayer A, Schwiedrzik CM, Wibral M, Singer W, Melloni L
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Expecting to See a Letter: Alpha Oscillations as Carriers of Top-Down Sensory Predictions
CEREBRAL CORTEX 2016 JUL; 26(7):3146-3160
Predictions strongly influence perception. However, the neurophysiological processes that implement predictions remain underexplored. It has been proposed that high- and low-frequency neuronal oscillations act as carriers of sensory evidence and top-down predictions, respectively (von Stein and Sarnthein 2000; Bastos et al. 2012). However, evidence for the latter hypothesis remains scarce. In particular, it remains to be shown whether slow prestimulus alpha oscillations in task-relevant brain regions are stronger in the presence of predictions, whether they influence early categorization processes, and whether this interplay indeed boosts perception. Here, we directly address these questions by manipulating subjects' prior expectations about the identity of visually presented letters while collecting magnetoencephalographic recordings. We find that predictions lead to increased prestimulus alpha oscillations in a multisensory network representing grapheme/phoneme associations. Furthermore, alpha power interacts with stimulus degradation and top-down expectations to predict visibility ratings, and correlates with the amplitude of early sensory components (P1/N1m complex), suggesting a role in the selective amplification of predicted information. Our results thus indicate that low-frequency alpha oscillations can serve as a mechanism to carry and test sensory predictions about letters.
Conti F, Lugo-Reyes SO, Galicia LB, He JX, Aksu G, de Oliveira EB, Deswarte C, Hubeau M, Karaca N, de Suremain M, Guerin A, Baba LA, Prando C, Guerrero GG, Emiroglu M, Oz FN, Nakashimada MAY, Serrano EG, Espinosa S, Barlan I, Perez N, Regairaz L, Morales HEG, Bezrodnik L, Di Giovanni D, Dbaibo G, Ailal F, Galicchio M, Oleastro M, Chemli J, Danielian S, Perez L, Ortega MC, Lavin SS, Hertecant J, Anal O, Kechout N, Al-Idrissi E, ElGhazali G, Bondarenko A, Chernyshova L, Ciznar P, Herbigneaux RM, Diabate A, Ndaga S, Konte B, Czarna A, Migaud M, Pedraza-Sanchez S, Zaidi MB, Vogt G, Blanche S, Benmustapha I, Mansouri D, Abel L, Boisson-Dupuis S, Mahlaoui N, Bousfiha AA, Picard C, Barbouche R, Al-Muhsen S, Espinosa-Rosales FJ, Kutukculer N, Condino-Neto A, Casanova JL, Bustamante J
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Mycobacterial disease in patients with chronic granulomatous disease: A retrospective analysis of 71 cases
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2016 JUL; 138(1):241-248
Background: Chronic granulomatous disease (CGD) is a rare primary immunodeficiency caused by inborn errors of the phagocyte nicotinamide adenine dinucleotide phosphate oxidase complex. From the first year of life onward, most affected patients display multiple, severe, and recurrent infections caused by bacteria and fungi. Mycobacterial infections have also been reported in some patients. Objective: Our objective was to assess the effect of mycobacterial disease in patients with CGD. Methods: We analyzed retrospectively the clinical features of mycobacterial disease in 71 patients with CGD. Tuberculosis and BCG disease were diagnosed on the basis of microbiological, pathological, and/or clinical criteria. Results: Thirty-one (44%) patients had tuberculosis, and 53 (75%) presented with adverse effects of BCG vaccination; 13 (18%) had both tuberculosis and BCG infections. None of these patients displayed clinical disease caused by environmental mycobacteria, Mycobacterium leprae, or Mycobacterium ulcerans. Most patients (76%) also had other pyogenic and fungal infections, but 24% presented solely with mycobacterial disease. Most patients presented a single localized episode of mycobacterial disease (37%), but recurrence (18%), disseminated disease (27%), and even death (18%) were also observed. One common feature in these patients was an early age at presentation for BCG disease. Mycobacterial disease was the first clinical manifestation of CGD in 60% of these patients. Conclusion: Mycobacterial disease is relatively common in patients with CGD living in countries in which tuberculosis is endemic, BCG vaccine is mandatory, or both. Adverse reactions to BCG and severe forms of tuberculosis should lead to a suspicion of CGD. BCG vaccine is contraindicated in patients with CGD.
Dar RD, Shaffer SM, Singh A, Razooky BS, Simpson ML, Raj A, Weinberger LS
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Transcriptional Bursting Explains the Noise-Versus-Mean Relationship in mRNA and Protein Levels
PLOS ONE 2016 JUL 28; 11(7):? Article e0158298
Recent analysis demonstrates that the HIV-1 Long Terminal Repeat (HIV LTR) promoter exhibits a range of possible transcriptional burst sizes and frequencies for any mean-expression level. However, these results have also been interpreted as demonstrating that cell-tocell expression variability (noise) and mean are uncorrelated, a significant deviation from previous results. Here, we re-examine the available mRNA and protein abundance data for the HIV LTR and find that noise in mRNA and protein expression scales inversely with the mean along analytically predicted transcriptional burst-sizemanifolds. We then experimentally perturb transcriptional activity to test a prediction of the multiple burst-size model: that increasing burst frequency will cause mRNA noise to decrease along given burst-size lines as mRNA levels increase. The data show that mRNA and protein noise decrease as mean expression increases, supporting the canonical inverse correlation between noise and mean.
Valente C, Hinds J, Gould KA, Pinto FR, de Lencastre H, Sa-Leao R
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Impact of the 13-valent pneumococcal conjugate vaccine on Streptococcus pneumoniae multiple serotype carriage
VACCINE 2016 JUL 25; 34(34):4072-4078
Introduction: Pneumococcal multiple serotype carriage is important for evolution of the species and to understand how the pneumococcal population is changing with vaccination. We aimed to determine the impact of the 13-valent pneumococcal conjugate vaccine (PCV13) on multiple serotype carriage. Methods and materials: Nasopharyngeal samples from fully vaccinated pneumococcal carriers (4 doses of PCV13, n = 141, aged 18-72 months) or from non-vaccinated pneumococcal carriers (0 doses of any PCV, n = 140, same age group) were analyzed. Multiple serotype carriage was evaluated by DNA hybridization with a molecular serotyping microarray that detects all known serotypes. Results: Vaccinated children had a lower prevalence of multiple serotype carriage than the non vaccinated group (20.6% vs 29.3%, p = 0.097), and a significantly lower proportion of PCV13 serotypes (6.4% vs 38.5%, p = 0.0001). PCV13 serotypes found among vaccinated children were mostly detected as a minor serotype in co-colonization with a more abundant non-vaccine serotype. Vaccinated children were colonized by a significantly higher proportion of commensal non-pneumococcal Streptococcus spp. (58.2% vs 42.8%, p = 0.012). In vaccinated children there were significantly less non-vaccine type (NVT) co-colonization events than expected based on the distribution of these serotypes in non vaccinated children. Conclusions: The results suggest that vaccinated children have lower pneumococcal multiple serotype carriage prevalence due to higher competitive abilities of non-vaccine serotypes expanding after PCV13 use. This might represent an additional benefit of PCV13, as decreased co-colonization rates translate into decreased opportunities for horizontal gene transfer and might have implications for the evolution and virulence of pneumococci. (C) 2016 Elsevier Ltd. All rights reserved.
Khachatryan V, Sirunyan AM, Tumasyan A, Adam W, Asilar E, Bergauer T, Brandstetter J, Brondolin E, Dragicevic M, Ero J, Flechl M, Friedl M, Fruhwirth R, Ghete VM, Hartl C, Hormann N, Hrubec J, Jeitler M, Knunz V, Konig A, Krammer M, Kratschmer I, Liko D, Matsushita T, Mikulec I, Rabady D, Rahbaran B, Rohringer H, Schieck J, Schofbeck R, Strauss J, Treberer-Treberspurg W, Waltenberger W, Wulz CE, Mossolov V, Shumeiko N, Gonzalez JS, Alderweireldt S, Cornelis T, De Wolf EA, Janssen X, Knutsson A, Lauwers J, Luyckx S, Rougny R, Van De Klundert M, Van Haevermaet H, Van Mechelen R, Van Remortel N, Van Spilbeeck A, Abu Zeid S, Blekman F, D'Hondt J, Daci N, De Bruyn I, Deroover K, Heracleous N, Keaveney J, Lowette S, Moreels L, Olbrechts A, Python Q, Strom D, Tavernier S, Van Doninck W, Van Mulders R, Van Onsem GP, Van Parijs I, Barria R, Brun H, Caillol C, Clerbaux B, De Lentdecker G, Fasanella G, Favart L, Grebenyuk A, Karapostoli G, Lenzi T, Leonard A, Maerschalk T, Marinov A, Pernie L, Randle-conde A, Reis T, Seva T, Velde CV, Vanlaer R, Yonamine R, Zenoni F, Zhang F, Beernaert K, Benucci L, Cimmino A, Crucy S, Dobur D, Fagot A, Garcia G, Gul M, Mccartin J, Rios AAO, Poyraz D, Ryckbosch D, Salva S, Sigamani M, Strobbe N, Tytgat M, Van Driessche W, Yazgan E, Zaganidis N, Basegmez S, Beluffi C, Bondu O, Brochet S, Bruno G, Caudron A, Ceard L, Da Silveira GG, Delaere C, Favart D, Forthomme L, Giammanco A, Hollar J, Jafari A, Jez R, Komm M, Lemaitre V, Mertens A, Nuttens C, Perrini L, Pin A, Piotrzkowski K, Popov A, Quertenmont L, Selvaggi M, Marono MV, Beliy N, Hammad GH, Alda WL, Alves GA, Brito L, Martins MC, Hamer M, Hensel C, Herrera CM, Moraes A, Pol ME, Teles RR, Das Chagas EBB, Carvalho W, Chinellato J, Custodio A, Da Costa EM, Damiao DD, Martins CD, De Souza SF, Guativa LMH, Malbouisson H, Figueiredo DM, Nogima LMH, Da Silva WLP, Santoro A, Sznajder A, Manganote EJT, Pereira AV, Ahuja S, Bernardes CA, Santos AD, Dogra S, Tomei TRFP, Gregores EM, Mercadante PG, Moon CS, Novaes SF, Padula SS, Abad DR, Vargas JCR, Aleksandrov A, Hadjiiska R, Iaydjiev R, Rodozov M, Stoykova S, Sultanov G, Vutova M, Dimitrov A, Glushkov I, Litov L, Pavlov B, Petkov R, Ahmad M, Bian JG, Chen GM, Chen HS, Chen M, Cheng T, Du R, Jiang CH, Plestina R, Romeo F, Shaheen SM, Tao J, Wang C, Wang Z, Zhang H, Asawatangtrakuldee C, Ban Y, Li Q, Liu S, Mao Y, Qian SJ, Wang D, Xu Z, Zou W, Avila C, Cabrera A, Sierra LFC, Florez C, Gomez JP, Moreno BG, Sanabria JC, Godinovic N, Lelas D, Puljak I, Cipriano PMR, Antunovic Z, Kovac M, Brigljevic V, Kadija K, Luetic J, Micanovic S, Sudic L, Attikis A, Mavromanolakis G, Mousa J, Nicolaou C, Ptochos F, Razis PA, Rykaczewski H, Bodlak M, Finger M, Finger M, El Sawy M, El-Khateeb E, Elkafrawy T, Mohamed A, Salama E, Calpas B, Kadastik M, Murumaa M, Raidal M, Tiko A, Veelken C, Eerola R, Pekkanen J, Voutilainen M, Harkonen J, Karimaki V, Kinnunen R, Lampen T, Lassila-Perini K, Lehti S, Linden T, Luukka R, Maenpaa T, Peltola T, Tuominen E, Tuominiemi J, Tuovinen E, Wendland L, Talvitie J, Tuuva T, Besancon M, Couderc F, Dejardin M, Denegri D, Fabbro B, Faure JL, Favaro C, Ferri F, Ganjour S, Givernaud A, Gras R, de Monchenault GH, Jarry R, Locci E, Machet M, Malcles J, Rander J, Rosowsky A, Titov M, Zghiche A, Antropov I, Baffioni S, Beaudette F, Busson R, Cadamuro L, Chapon E, Chariot C, Dahms T, Davignon O, Filipovic N, Florent A, de Cassagnac RG, Lisniak S, Mastrolorenzo L, Mine P, Naranjo IN, Nguyen M, Ochando C, Ortona G, Paganini R, Pigard R, Regnard S, Salerno R, Sauvan JB, Sirois Y, Strebler T, Yilmaz Y, Zabi A, Agram JL, Andrea J, Aubin A, Bloch D, Brom JM, Buttignol M, Chabert EC, Chanon N, Collard C, Conte E, Coubez X, Fontaine JC, Gele D, Goerlach U, Goetzmann C, Le Bihan AC, Merlin JA, Skovpen K, Van Hove R, Gadrat S, Beauceron S, Bernet C, Boudoul G, Bouvier E, Montoya CAC, Chierici R, Contardo D, Courbon B, Depasse R, El Mamouni H, Fan J, Fay J, Gascon S, Gouzevitch M, Ille B, Lagarde F, Laktineh IB, Lethuillier M, Mirabito L, Pequegnot AL, Perries S, Alvarez JDR, Sabes D, Sgandurra L, Sordini V, Donckt MV, Verdier R, Viret S, Toriashvili T, Lomidze D, Autermann C, Beranek S, Edelhoff M, Feld L, Heister A, Kiesel MK, Klein K, Lipinski M, Ostapchuk A, Preuten M, Raupach F, Schael S, Schulte JF, Verlage T, Weber H, Wittmer B, Zhukov V, Ata M, Brodski M, Dietz-Laursonn E, Duchardt D, Endres M, Erdmann M, Erdweg S, Esch T, Fischer R, Giith A, Hebbeker T, Heidemann C, Hoepfner K, Klingebiel D, Knutzen S, Kreuzer R, Merschmeyer M, Meyer A, Millet R, Olschewski M, Padeken K, Papacz R, Pook T, Radziej M, Reithler H, Rieger M, Scheuch F, Sonnenschein L, Teyssier D, Thuer S, Cherepanov V, Erdogan Y, Flugge G, Geenen H, Geisler M, Hoehle F, Kargoll B, Kress T, Kuessel Y, Kiinsken A, Lingemann J, Nehrkorn A, Nowack A, Nugent IM, Pistone C, Pooth O, Stahl A, Martin MA, Asin I, Bartosik N, Behnke O, Behrens U, Bell AJ, Borras K, Burgmeier A, Cakir A, Calligaris L, Campbell A, Choudhury S, Costanza F, Pardos CD, Dolinska G, Dooling S, Dorland T, Eckerlin G, Eckstein D, Eichhorn T, Flucke G, Gallo E, Garcia JG, Geiser A, Gizhko A, Gunnellini R, Hauk J, Hempel M, Jung H, Kalogeropoulos A, Karacheban O, Kasemann M, Katsas R, Kieseler J, Kleinwort C, Korol I, Lange W, Leonard J, Lipka K, Lobanov A, Lohmann W, Mankel R, Marfin I, Melzer-Pellmann IA, Meyer AB, Mittag G, Mnich J, Mussgiller A, Naumann-Emme S, Nayak A, Ntomari E, Perrey H, Pitzl D, Placakyte R, Raspereza A, Roland B, Sahin MO, Saxena R, Schoerner-Sadenius T, Schroder M, Seitz C, Spannagel S, Trippkewitz KD, Walsh R, Wissing C, Blobel V, Vignali MC, Draeger AR, Erfle J, Garutti E, Goebel K, Gonzalez D, Gorner M, Haller J, Hoffmann M, Hoing RS, Junkes A, Klanner R, Kogler R, Lapsien T, Lenz T, Marchesini I, Marconi D, Meyer M, Nowatschin D, Ott J, Pantaleo F, Peiffer T, Perieanu A, Pietsch N, Poehlsen J, Rathjens D, Sander C, Schettler H, Schleper R, Schlieckau E, Schmidt A, Schwandt J, Seidel M, Sola V, Stadie H, Steinbruck G, Tholen H, Troendle D, Usai E, Vanelderen L, Vanhoefer A, Vormwald B, Akbiyik M, Barth C, Baus C, Berger J, Boser C, Butz E, Chwalek T, Colombo F, De Boer W, Descroix A, Dierlamm A, Fink S, Frensch F, Giffels M, Gilbert A, Hartmann F, Heindl SM, Husemann U, Katkov I, Kornmayer A, Pardo RL, Maier B, Mildner H, Mozer MU, Muller T, Muller T, Plagge M, Quast G, Rabbertz K, Rocker S, Simonis HJ, Stober FM, Ulrich R, Wagner-Kuhr J, Wayand S, Weber M, Weiler T, Wohrmann C, Wolf R, Anagnostou G, Daskalakis G, Geralis T, Giakoumopoulou VA, Kyriakis A, Loukas D, Psallidas A, Topsis-Giotis I, Agapitos A, Kesisoglou S, Panagiotou A, Saoulidou N, Tziaferi E, Evangelou I, Flouris G, Foudas C, Kokkas R, Loukas N, Manthos N, Papadopoulos I, Paradas E, Strologas J, Bencze G, Hajdu C, Hazi A, Hidas R, Horvath D, Sikler F, Veszpremi V, Vesztergombi G, Zsigmond AJ, Beni N, Czellar S, Karancsi J, Molnar J, Szillasi Z, Bartok M, Makovec A, Raics R, Trocsanyi ZL, Ujvari B, Mal R, Mandal K, Sahoo DK, Sahoo N, Swain SK, Bansal S, Beri SB, Bhatnagar V, Chawla R, Gupta R, Bhawandeep U, Kalsi AK, Kaur A, Kaur M, Kumar R, Mehta A, Mittal M, Singh JB, Walia G, Kumar A, Bhardwaj A, Choudhary BC, Garg RB, Kumar A, Malhotra S, Naimuddin M, Nishu N, Ranjan K, Sharma R, Sharma V, Bhattacharya S, Chatterjee K, Dey S, Dutta S, Jain S, Majumdar N, Modak A, Mondal K, Mukherjee S, Mukhopadhyay S, Roy A, Roy D, Chowdhury SR, Sarkar S, Sharan M, Abdulsalam A, Chudasama R, Dutta D, Jha V, Kumar V, Mohanty AK, Pant LM, Shukla R, Topkar A, Aziz T, Banerjee S, Bhowmik S, Chatterjee RM, Dewanjee RK, Dugad S, Ganguly S, Ghosh S, Guchait M, Gurtu A, Kole G, Kumar S, Mahakud B, Maity M, Majumder G, Mazumdar K, Mitra S, Mohanty GB, Parida B, Sarkar T, Sudhakar K, Sur N, Sutar B, Wickramage N, Chauhan S, Dube S, Sharma S, Bakhshiansohi H, Behnamian H, Etesami SM, Fahim A, Goldouzian R, Khakzad M, Najafabadi MM, Naseri M, Mehdiabadi SP, Hosseinabadi FR, Safarzadeh B, Zeinali M, Felcini M, Grunewald M, Abbrescia M, Calabria C, Caputo C, Colaleo A, Creanza D, Cristella L, De Filippis N, De Palma M, Fiore L, Laselli G, Maggi G, Maggi M, Miniello G, My S, Nuzzo S, Pompili A, Pugliese G, Radogna R, Ranieri A, Selvaggi G, Silvestris L, Venditti R, Verwilligen R, Abbiendi G, Battilana C, Benvenuti AC, Bonacorsi D, Braibant-Giacomelli S, Brigliadori L, Campanini R, Capiluppi R, Castro A, Cavallo FR, Chhibra SS, Codispoti G, Cuffiani M, Dallavalle GM, Fabbri F, Fanfani A, Fasanella D, Giacomelli P, Grandi C, Guiducci L, Marcellini S, Masetti G, Montanari A, Navarria FL, Perrotta A, Rossi AM, Rovelli T, Siroli GP, Tosi N, Travaglini R, Cappello G, Chiorboli M, Costa S, Giordano F, Potenza R, Tricomi A, Tuve C, Barbagli G, Ciulli V, Civinini C, D'Alessandro R, Focardi E, Gonzi S, Gori V, Lenzi R, Meschini M, Paoletti S, Sguazzoni G, Tropiano A, Viliani L, Benussi L, Bianco S, Fabbri F, Piccolo D, Primavera F, Calvelli V, Ferro F, Lo Vetere M, Monge MR, Robutti E, Tosi S, Brianza L, Dinardo ME, Fiorendi S, Gennai S, Gerosa R, Ghezzi A, Govoni R, Malvezzi S, Manzoni RA, Marzocchi B, Menasce D, Moroni L, Paganoni M, Pedrini D, Ragazzi S, Redaelli N, de Fatis TT, Buontempo S, Cavallo N, Di Guida S, Esposito M, Fabozzi F, Lori AOM, Lanza G, Lista L, Meola S, Merola M, Paolucci R, Sciacca C, Thyssen F, Azzi R, Bacchetta N, Benato L, Bisello D, Boletti A, Branca A, Carlin R, Checchia R, Dall'Osso M, Dorigo T, Dosselli U, Gasparini F, Gasparini U, Gozzelino A, Kanishchev K, Lacaprara S, Margoni M, Meneguzzo AT, Pazzini J, Pegoraro M, Pozzobon AN, Ronchese R, Simonetto F, Torassa E, Tosi M, Zanetti M, Zotto R, Zucchetta A, Zumerle G, Braghieri A, Magnani A, Montagna R, Ratti SP, Re V, Riccardi C, Salvini R, Vai I, Vitulo R, Solestizi LA, Biasini M, Bilei GM, Ciangottini D, Fano L, Lariccia R, Mantovani G, Menichelli M, Saha A, Santocchia A, Spiezia A, Androsov K, Azzurri R, Bagliesi G, Bernardini J, Boccali T, Broccolo G, Castaldi R, Ciocci MA, Dell'Orso R, Donato S, Fedi G, Foa L, Giassi A, Grippo MT, Ligabue F, Lomtadze T, Martini L, Messineo A, Palla F, Rizzi A, Savoy-Navarro A, Serban AT, Spagnolo P, Squillacioti P, Tenchini R, Tonelli G, Venturi A, Verdini PG, Barone L, Cavallari F, D'imperio G, Del Re D, Diemoz M, Gelli S, Jorda C, Longo E, Margaroli F, Meridiani R, Organtini G, Paramatti R, Preiato F, Rahatlou S, Rovelli C, Santanastasio F, Traczyk R, Amapane N, Arcidiacono R, Argiro S, Arneodo M, Bellan R, Biino C, Cartiglia N, Costa M, Covarelli R, Degano A, Dellacasa G, Demaria N, Finco L, Mariotti C, Maselli S, Migliore E, Monaco V, Monteil E, Musich M, Obertino MM, Pacher L, Pastrone N, Pelliccioni M, Angioni GLP, Ravera F, Romero A, Ruspa M, Sacchi R, Solano A, Staiano A, Tamponi U, Belforte S, Candelise V, Casarsa M, Cossutti F, Della Ricca G, Gobbo B, La Licata C, Marone M, Schizzi A, Zanetti A, Kropivnitskaya A, Nam SK, Kim DH, Kim GN, Kim MS, Kong DJ, Lee S, Oh YD, Sakharov A, Son DC, Cifuentes JAB, Kim H, Kim TJ, Ryu MS, Song S, Choi S, Go Y, Gyun D, Hong B, Jo M, Kim H, Kim Y, Lee B, Lee K, Lee KS, Lee S, Park SK, Roh Y, Yoo HD, Choi M, Kim H, Kim JH, Lee JSH, Park IC, Ryu G, Choi Y, Goh J, Kim D, Kwon E, Lee J, Yu I, Juodagalvis A, Vaitkus J, Ahmed I, Ibrahim ZA, Komaragiri JR, Ali MABM, Idris FM, Abdullah WATW, Yusli MN, Linares EC, Castilla-Valdez H, De La Cruz-Burelo E, Heredia-de La Cruz I, Hernandez-Almada A, Lopez-Fernandez R, Sanchez-Hernandez A, Moreno SC, Valencia FV, Pedraza I, Ibarguen HAS, Pineda AM, Krofcheck D, Butler PH, Butler PH, Ahmad A, Ahmad M, Hassan Q, Hoorani HR, Khan WA, Khurshid T, Shoaib M, Bialkowska H, Bluj M, Boimska B, Frueboes T, Gorski M, Kazana M, Nawrocki K, Romanowska-Rybinska K, Szleper M, Zalewski R, Brona G, Bunkowski K, Byszuk A, Doroba K, Kalinowski A, Konecki M, Krolikowski J, Misiura M, Olszewski M, Walczak M, Bargassa R, Silva CBDE, Di Francesco A, Faccioli R, Parracho PGF, Gallinaro M, Leonardo N, Iglesias LL, Nguyen F, Antunes JR, Seixas J, Toldaiev O, Vadruccio D, Varela J, 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Measurement of spin correlations in tf production using the matrix element method in the muon plus jets final state in pp collisions at root S=8 TeV
PHYSICS LETTERS B 2016 JUL 10; 758(?):321-346
The consistency of the spin correlation strength in top quark pair production with the standard model (SM) prediction is tested in the muon+jets final state. The events are selected from pp collisions, collected by the CMS detector, at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb(-1). The data are compared with the expectation for the spin correlation predicted by the SM and with the expectation of no correlation. Using a template fit method, the fraction of events that show SM spin correlations is measured to be 0.72 0.08 (stat)(-013)(+015) (syst), representing the most precise measurement of this quantity in the muon+jets final state to date. (C) 2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.orglicenses/by/4.01).
Wang L, Zehir A, Nafa K, Zhou NY, Berger MF, Casanova J, Sadowska J, Lu C, Allis CD, Gounder M, Chandhanayingyong C, Ladanyi M, Boland PJ, Hameed M
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Genomic Aberrations Frequently Alter Chromatin Regulatory Genes in Chordoma
GENES CHROMOSOMES & CANCER 2016 JUL; 55(7):591-600
Chordoma is a rare primary bone neoplasm that is resistant to standard chemotherapies. Despite aggressive surgical management, local recurrence and metastasis is not uncommon. To identify the specific genetic aberrations that play key roles in chordoma pathogenesis, we utilized a genome-wide high-resolution SNP-array and next generation sequencing (NGS)-based molecular profiling platform to study 24 patient samples with typical histopathologic features of chordoma. Matching normal tissues were available for 16 samples. SNP-array analysis revealed nonrandom copy number losses across the genome, frequently involving 3, 9p, 1p, 14, 10, and 13. In contrast, copy number gain is uncommon in chordomas. Two minimum deleted regions were observed on 3p within a similar to 8 Mb segment at 3p21.1-p21.31, which overlaps SETD2, BAP1 and PBRM1. The minimum deleted region on 9p was mapped to CDKN2A locus at 9p21.3, and homozygous deletion of CDKN2A was detected in 5/22 chordomas (similar to 23%). NGS-based molecular profiling demonstrated an extremely low level of mutation rate in chordomas, with an average of 0.5 mutations per sample for the 16 cases with matched normal. When the mutated genes were grouped based on molecular functions, many of the mutation events (similar to 40%) were found in chromatin regulatory genes. The combined copy number and mutation profiling revealed that SETD2 is the single gene affected most frequently in chordomas, either by deletion or by mutations. Our study demonstrated that chordoma belongs to the C-class (copy number changes) tumors whose oncogenic signature is non-random multiple copy number losses across the genome and genomic aberrations frequently alter chromatin regulatory genes. (C) 2016 Wiley Periodicals, Inc.