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Richard Kuhn

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https://www.readbyqxmd.com/read/29166909/multiscale-positive-feedbacks-contribute-to-unidirectional-gastric-disease-progression-induced-by-helicobacter-pylori-infection
#1
Richard Ballweg, Frederick Schozer, Kelsey Elliott, Alexander Kuhn, Logan Spotts, Eitaro Aihara, Tongli Zhang
BACKGROUND: Helicobacter Pylori (HP) is the most common risk factor for gastric cancer. Nearly half the world's population is infected with HP, but only a small percentage of those develop significant pathology. The bacteria itself does not directly cause cancer; rather it promotes an environment that is conducive to tumor formation. Upon infection, HP induces transcriptional changes in the host, leading to enhanced proliferation and host immune response. In addition, HP causes direct damage to gastric epithelial cells...
November 22, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29161115/hip-arthroscopic-surgery-for-femoroacetabular-impingement-with-capsular-management-factors-associated-with-achieving-clinically-significant-outcomes
#2
Gregory L Cvetanovich, Alexander E Weber, Benjamin D Kuhns, Jennifer Alter, Joshua D Harris, Richard C Mather, Shane J Nho
BACKGROUND: There has been increasing interest in defining clinically meaningful outcomes in patient reported outcomes following orthopaedic surgery. Little is known about the factors associated with clinically meaningful outcomes after hip arthroscopy for femoroacetabular impingement. STUDY DESIGN: Case-control study; Level of evidence, 3. PURPOSE: To report on a large, prospectively collected consecutive series of patients who underwent comprehensive arthroscopic treatment of femoroacetabular impingement (FAI) and capsular management with greater than 2-year follow-up...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29144972/building-bridges-through-science
#3
Thomas Lissek, Michelle Adams, John Adelman, Ehud Ahissar, Mohammed Akaaboune, Huda Akil, Mustafa al'Absi, Fazal Arain, Juan Carlos Arango-Lasprilla, Deniz Atasoy, Jesus Avila, Ashraf Badawi, Hilmar Bading, Abdul Mannan Baig, Jimena Baleriola, Carlos Belmonte, Ilaria Bertocchi, Heinrich Betz, Colin Blakemore, Olaf Blanke, Philipp Boehm-Sturm, Tobias Bonhoeffer, Paolo Bonifazi, Nils Brose, Patrizia Campolongo, Tansu Celikel, Cathy C Chang, Ta-Yuan Chang, Ami Citri, Hollis T Cline, Jesus M Cortes, Kathleen Cullen, Kellie Dean, José M Delgado-Garcia, Mathieu Desroches, John F Disterhoft, John E Dowling, Andreas Draguhn, Sherif F El-Khamisy, Abdeljabbar El Manira, S Ather Enam, Juan M Encinas, Asier Erramuzpe, José A Esteban, Isabel Fariñas, Edmond Fischer, Izumi Fukunaga, Iñigo Gabilondo, Detlev Ganten, Albert Gidon, Juan Carlos Gomez-Esteban, Paul Greengard, Valery Grinevich, Agnés Gruart, Roger Guillemin, Ahmad R Hariri, Bassem Hassan, Michael Häusser, Yasunori Hayashi, Natasha K Hussain, Adnan Abdul Jabbar, Mohamed Jaber, Reinhardt Jahn, Essam Mohammed Janahi, Mohamed Kabbaj, Helmut Kettenmann, Merel Kindt, Shira Knafo, Georg Köhr, Shoji Komai, Harm Krugers, Bernd Kuhn, Nouria Lakhdar Ghazal, Matthew E Larkum, Mickey London, Beat Lutz, Carlos Matute, Luis Martinez-Millan, Mouna Maroun, James McGaugh, Ahmed A Moustafa, Anwar Nasim, Klaus-Armin Nave, Erwin Neher, Karoly Nikolich, Tiago Outeiro, Lucy M Palmer, Olga Penagarikano, Isabel Perez-Otano, Donald W Pfaff, Bruno Poucet, Atta-Ur Rahman, Pedro Ramos-Cabrer, Ali Rashidy-Pour, Richard J Roberts, Serafim Rodrigues, Joshua R Sanes, Andreas T Schaefer, Menahem Segal, Idan Segev, Saad Shafqat, Nikhat Ahmed Siddiqui, Hermona Soreq, Eduardo Soriano-García, Rainer Spanagel, Rolf Sprengel, Greg Stuart, Thomas C Südhof, Jan Tønnesen, Mario Treviño, Basim M Uthman, J Craig Venter, Alexei Verkhratsky, Craig Weiss, Torsten N Wiesel, Emre Yaksi, Ofer Yizhar, Larry J Young, Paul Young, Nasser H Zawia, José L Zugaza, Mazahir T Hasan
Science is ideally suited to connect people from different cultures and thereby foster mutual understanding. To promote international life science collaboration, we have launched "The Science Bridge" initiative. Our current project focuses on partnership between Western and Middle Eastern neuroscience communities.
November 15, 2017: Neuron
https://www.readbyqxmd.com/read/29123679/mix-and-diffuse-serial-synchrotron-crystallography
#4
Kenneth R Beyerlein, Dennis Dierksmeyer, Valerio Mariani, Manuela Kuhn, Iosifina Sarrou, Angelica Ottaviano, Salah Awel, Juraj Knoska, Silje Fuglerud, Olof Jönsson, Stephan Stern, Max O Wiedorn, Oleksandr Yefanov, Luigi Adriano, Richard Bean, Anja Burkhardt, Pontus Fischer, Michael Heymann, Daniel A Horke, Katharina E J Jungnickel, Elena Kovaleva, Olga Lorbeer, Markus Metz, Jan Meyer, Andrew Morgan, Kanupriya Pande, Saravanan Panneerselvam, Carolin Seuring, Aleksandra Tolstikova, Julia Lieske, Steve Aplin, Manfred Roessle, Thomas A White, Henry N Chapman, Alke Meents, Dominik Oberthuer
Unravelling the interaction of biological macromolecules with ligands and substrates at high spatial and temporal resolution remains a major challenge in structural biology. The development of serial crystallography methods at X-ray free-electron lasers and subsequently at synchrotron light sources allows new approaches to tackle this challenge. Here, a new polyimide tape drive designed for mix-and-diffuse serial crystallography experiments is reported. The structure of lysozyme bound by the competitive inhibitor chitotriose was determined using this device in combination with microfluidic mixers...
November 1, 2017: IUCrJ
https://www.readbyqxmd.com/read/29089348/circulating-vitamin-d-concentration-and-risk-of-seven-cancers-mendelian-randomisation-study
#5
Vasiliki I Dimitrakopoulou, Konstantinos K Tsilidis, Philip C Haycock, Niki L Dimou, Kawthar Al-Dabhani, Richard M Martin, Sarah J Lewis, Marc J Gunter, Alison Mondul, Irene M Shui, Evropi Theodoratou, Katharina Nimptsch, Sara Lindström, Demetrius Albanes, Tilman Kühn, Timothy J Key, Ruth C Travis, Karani Santhanakrishnan Vimaleswaran, Peter Kraft, Brandon L Pierce, Joellen M Schildkraut
Objective To determine if circulating concentrations of vitamin D are causally associated with risk of cancer.Design Mendelian randomisation study.Setting Large genetic epidemiology networks (the Genetic Associations and Mechanisms in Oncology (GAME-ON), the Genetic and Epidemiology of Colorectal Cancer Consortium (GECCO), and the Prostate Cancer Association Group to Investigate Cancer Associated Alterations in the Genome (PRACTICAL) consortiums, and the MR-Base platform).Participants 70 563 cases of cancer (22 898 prostate cancer, 15 748 breast cancer, 12 537 lung cancer, 11 488 colorectal cancer, 4369 ovarian cancer, 1896 pancreatic cancer, and 1627 neuroblastoma) and 84 418 controls...
October 31, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28839137/the-powdery-mildew-resistant-arabidopsis-mlo2-mlo6-mlo12-triple-mutant-displays-altered-infection-phenotypes-with-diverse-types-of-phytopathogens
#6
Johanna Acevedo-Garcia, Katrin Gruner, Anja Reinstädler, Ariane Kemen, Eric Kemen, Lingxue Cao, Frank L W Takken, Marco U Reitz, Patrick Schäfer, Richard J O'Connell, Stefan Kusch, Hannah Kuhn, Ralph Panstruga
Arabidopsis thaliana mlo2 mlo6 mlo12 triple mutant plants exhibit complete immunity against infection by otherwise virulent obligate biotrophic powdery mildew fungi such as Golovinomyces orontii. While this phenotype is well documented, the interaction profile of the triple mutant with other microbes is underexplored and incomplete. Here, we thoroughly assessed and quantified the infection phenotypes of two independent powdery mildew-resistant triple mutant lines with a range of microbes. These microorganisms belong to three kingdoms of life, engage in diverse trophic lifestyles, and deploy different infection strategies...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28820272/a-comparison-of-clinical-outcomes-after-unilateral-or-bilateral-hip-arthroscopic-surgery-age-and-sex-matched-cohort-study
#7
Benjamin D Kuhns, Charles P Hannon, Eric C Makhni, Jennifer Alter, Richard C Mather, Michael J Salata, Shane J Nho
BACKGROUND: A significant number of patients undergoing hip arthroscopic surgery for femoroacetabular impingement (FAI) have bilateral deformities and may require surgery for both hips. PURPOSE: To compare outcomes between patients who underwent bilateral hip arthroscopic surgery to a matched cohort of patients who underwent unilateral hip arthroscopic surgery. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: A consecutive series of patients who underwent primary hip arthroscopic surgery for FAI by a single fellowship-trained surgeon from January 2012 to January 2014 and had a minimum follow-up of 2 years were evaluated...
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28782633/plasma-cell-deficiency-in-human-subjects-with-heterozygous-mutations-in-sec61-translocon-alpha-1-subunit-sec61a1
#8
Desirée Schubert, Marie-Christine Klein, Sarah Hassdenteufel, Andrés Caballero-Oteyza, Linlin Yang, Michele Proietti, Alla Bulashevska, Janine Kemming, Johannes Kühn, Sandra Winzer, Stephan Rusch, Manfred Fliegauf, Alejandro A Schäffer, Stefan Pfeffer, Roger Geiger, Adolfo Cavalié, Hongzhi Cao, Fang Yang, Yong Li, Marta Rizzi, Hermann Eibel, Robin Kobbe, Amy L Marks, Brian P Peppers, Robert W Hostoffer, Jennifer M Puck, Richard Zimmermann, Bodo Grimbacher
BACKGROUND: Primary antibody deficiencies (PADs) are the most frequent primary immunodeficiencies in human subjects. The genetic causes of PADs are largely unknown. Sec61 translocon alpha 1 subunit (SEC61A1) is the major subunit of the Sec61 complex, which is the main polypeptide-conducting channel in the endoplasmic reticulum membrane. SEC61A1 is a target gene of spliced X-box binding protein 1 and strongly induced during plasma cell (PC) differentiation. OBJECTIVE: We identified a novel genetic defect and studied its pathologic mechanism in 11 patients from 2 unrelated families with PADs...
August 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28758831/tet1-deficiency-attenuates-the-dna-damage-response-and-promotes-resistance-to-dna-damaging-agents
#9
Jonathan B Coulter, Hernando Lopez-Bertoni, Katherine J Kuhns, Richard S Lee, John Laterra, Joseph P Bressler
Recent studies have shown that loss of TET1 may play a significant role in the formation of tumors. Because genomic instability is a hallmark of cancer, we examined the potential involvement of ten-eleven translocation 1 (TET1) in the DNA damage response (DDR). Here we demonstrate that, in response to clinically relevant doses of ionizing radiation (IR), human glial cells made TET1-deficient with lentiviral vectors displayed greater numbers of colony forming units and lower levels of apoptotic markers compared to glial cells transduced with control vectors; yet, they harbored greater DNA strand breaks...
July 31, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28743434/editorial-overview-virus-structure-and-functions
#10
EDITORIAL
Theodore Jardetzky, Richard Kuhn, Robert Lamb
No abstract text is available yet for this article.
June 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28732055/role-of-htra1-in-bone-formation-and-regeneration-in-vitro-and-in-vivo-evaluation
#11
Gladys Filliat, Ali Mirsaidi, André N Tiaden, Gisela A Kuhn, Franz E Weber, Chio Oka, Peter J Richards
The role of mammalian high temperature requirement protease A1 (HTRA1) in somatic stem cell differentiation and mineralized matrix formation remains controversial, having been demonstrated to impart either anti- or pro-osteogenic effects, depending on the in vitro cell model used. The aim of this study was therefore to further evaluate the role of HTRA1 in regulating the differentiation potential and lineage commitment of murine mesenchymal stem cells in vitro, and to assess its influence on bone structure and regeneration in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28678784/personalized-rna-mutanome-vaccines-mobilize-poly-specific-therapeutic-immunity-against-cancer
#12
Ugur Sahin, Evelyna Derhovanessian, Matthias Miller, Björn-Philipp Kloke, Petra Simon, Martin Löwer, Valesca Bukur, Arbel D Tadmor, Ulrich Luxemburger, Barbara Schrörs, Tana Omokoko, Mathias Vormehr, Christian Albrecht, Anna Paruzynski, Andreas N Kuhn, Janina Buck, Sandra Heesch, Katharina H Schreeb, Felicitas Müller, Inga Ortseifer, Isabel Vogler, Eva Godehardt, Sebastian Attig, Richard Rae, Andrea Breitkreuz, Claudia Tolliver, Martin Suchan, Goran Martic, Alexander Hohberger, Patrick Sorn, Jan Diekmann, Janko Ciesla, Olga Waksmann, Alexandra-Kemmer Brück, Meike Witt, Martina Zillgen, Andree Rothermel, Barbara Kasemann, David Langer, Stefanie Bolte, Mustafa Diken, Sebastian Kreiter, Romina Nemecek, Christoffer Gebhardt, Stephan Grabbe, Christoph Höller, Jochen Utikal, Christoph Huber, Carmen Loquai, Özlem Türeci
T cells directed against mutant neo-epitopes drive cancer immunity. However, spontaneous immune recognition of mutations is inefficient. We recently introduced the concept of individualized mutanome vaccines and implemented an RNA-based poly-neo-epitope approach to mobilize immunity against a spectrum of cancer mutations. Here we report the first-in-human application of this concept in melanoma. We set up a process comprising comprehensive identification of individual mutations, computational prediction of neo-epitopes, and design and manufacturing of a vaccine unique for each patient...
July 13, 2017: Nature
https://www.readbyqxmd.com/read/28655823/can-an-fda-approved-alzheimer-s-drug-be-repurposed-for-alleviating-neuronal-symptoms-of-zika-virus
#13
Devika Sirohi, Richard J Kuhn
Zika virus caught the world by surprise by its rapid spread and frightening disease outcomes. This major epidemic motivated many scientists to focus their attention on controlling this emerging pathogen. As many as 45 vaccine candidates are being developed, but progress in the antiviral arena has been slower. In a recent article (mBio 8:e00350-17, 2017, https://doi.org/10.1128/mBio.00350-17), Costa and colleagues showed that an FDA-approved drug used to treat Alzheimer's disease may moderate Zika virus-induced neuronal damage...
June 27, 2017: MBio
https://www.readbyqxmd.com/read/28582774/a-giant-planet-undergoing-extreme-ultraviolet-irradiation-by-its-hot-massive-star-host
#14
B Scott Gaudi, Keivan G Stassun, Karen A Collins, Thomas G Beatty, George Zhou, David W Latham, Allyson Bieryla, Jason D Eastman, Robert J Siverd, Justin R Crepp, Erica J Gonzales, Daniel J Stevens, Lars A Buchhave, Joshua Pepper, Marshall C Johnson, Knicole D Colon, Eric L N Jensen, Joseph E Rodriguez, Valerio Bozza, Sebastiano Calchi Novati, Giuseppe D'Ago, Mary T Dumont, Tyler Ellis, Clement Gaillard, Hannah Jang-Condell, David H Kasper, Akihiko Fukui, Joao Gregorio, Ayaka Ito, John F Kielkopf, Mark Manner, Kyle Matt, Norio Narita, Thomas E Oberst, Phillip A Reed, Gaetano Scarpetta, Denice C Stephens, Rex R Yeigh, Roberto Zambelli, B J Fulton, Andrew W Howard, David J James, Matthew Penny, Daniel Bayliss, Ivan A Curtis, D L DePoy, Gilbert A Esquerdo, Andrew Gould, Michael D Joner, Rudolf B Kuhn, Jonathan Labadie-Bartz, Michael B Lund, Jennifer L Marshall, Kim K McLeod, Richard W Pogge, Howard Relles, Christopher Stockdale, T G Tan, Mark Trueblood, Patricia Trueblood
The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star. Of the thousands of extrasolar planets now known, only six have been found that transit hot, A-type stars (with temperatures of 7,300-10,000 kelvin), and no planets are known to transit the even hotter B-type stars. For example, WASP-33 is an A-type star with a temperature of about 7,430 kelvin, which hosts the hottest known transiting planet, WASP-33b (ref. 1); the planet is itself as hot as a red dwarf star of type M (ref...
June 22, 2017: Nature
https://www.readbyqxmd.com/read/28532404/use-of-the-qiagen-genereader-ngs-system-for-detection-of-kras-mutations-validated-by-the-qiagen-therascreen-pcr-kit-and-alternative-ngs-platform
#15
Agus Darwanto, Anne-Mette Hein, Sascha Strauss, Yi Kong, Andrew Sheridan, Dan Richards, Eric Lader, Monika Ngowe, Timothy Pelletier, Danielle Adams, Austin Ricker, Nishit Patel, Andreas Kühne, Simon Hughes, Dan Shiffman, Dirk Zimmermann, Kai Te Kaat, Thomas Rothmann
BACKGROUND: The detection of somatic mutations in primary tumors is critical for the understanding of cancer evolution and targeting therapy. Multiple technologies have been developed to enable the detection of such mutations. Next generation sequencing (NGS) is a new platform that is gradually becoming the technology of choice for genotyping cancer samples, owing to its ability to simultaneously interrogate many genomic loci at massively high efficiency and increasingly lower cost. However, multiple barriers still exist for its broader adoption in clinical research practice, such as fragmented workflow and complex bioinformatics analysis and interpretation...
May 22, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28520460/the-influence-of-body-mass-index-on-outcomes-after-hip-arthroscopic-surgery-with-capsular-plication-for-the-treatment-of-femoroacetabular-impingement
#16
Bryan M Saltzman, Benjamin D Kuhns, Bryce Basques, Timothy Leroux, Jennifer Alter, Richard C Mather, Michael J Salata, Shane J Nho
BACKGROUND: It remains unknown how variations in body mass index (BMI) influence outcomes after primary hip arthroscopic surgery with capsular plication for femoroacetabular impingement (FAI). PURPOSE: To evaluate the effect that abnormal BMI (namely, overweight, obese, morbidly obese, and underweight) versus normal weight has on patient-reported clinical outcomes more than 2 years postoperatively from primary hip arthroscopic surgery with capsular plication by a single surgeon...
August 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28441511/do-patients-with-borderline-dysplasia-have-inferior-outcomes-after-hip-arthroscopic-surgery-for-femoroacetabular-impingement-compared-with-patients-with-normal-acetabular-coverage
#17
Gregory L Cvetanovich, David M Levy, Alexander E Weber, Benjamin D Kuhns, Richard C Mather, Michael J Salata, Shane J Nho
BACKGROUND: The literature contains conflicting reports regarding whether outcomes of hip arthroscopic surgery for patients with borderline dysplasia are inferior to outcomes in patients with normal acetabular coverage. PURPOSE: To assess differences in the outcomes of hip arthroscopic surgery for femoroacetabular impingement (FAI) in groups of patients with borderline dysplasia and normal coverage. STUDY DESIGN: Cohort study; Level of evidence, 3...
July 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28380995/wavelength-calibration-of-a-high-resolution-spectrograph-with-a-partially-stabilized-15-ghz-astrocomb-from-550-to-890-nm
#18
Richard A McCracken, Éric Depagne, Rudolf B Kuhn, Nicolas Erasmus, Lisa A Crause, Derryck T Reid
A visible astrocomb spanning 555-890 nm has been implemented on the 10-m Southern African Large Telescope, delivering complete calibration of one channel of its high-resolution spectrograph and an accurate determination of its resolving power. A novel co-coupling method allowed simultaneous observation of on-sky, Th-Ar lamp and astrocomb channels, reducing the wavelength calibration uncertainty by a factor of two compared to that obtained using only Th-Ar lines. The excellent passive stability of the master frequency comb laser enabled broadband astrocomb generation without the need for carrier-envelope offset frequency locking, and an atomically referenced narrow linewidth diode laser provided an absolute fiducial marker for wavelength calibration...
March 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28300075/a-human-antibody-against-zika-virus-crosslinks-the-e-protein-to-prevent-infection
#19
S Saif Hasan, Andrew Miller, Gopal Sapparapu, Estefania Fernandez, Thomas Klose, Feng Long, Andrei Fokine, Jason C Porta, Wen Jiang, Michael S Diamond, James E Crowe, Richard J Kuhn, Michael G Rossmann
The recent Zika virus (ZIKV) epidemic has been linked to unusual and severe clinical manifestations including microcephaly in fetuses of infected pregnant women and Guillian-Barré syndrome in adults. Neutralizing antibodies present a possible therapeutic approach to prevent and control ZIKV infection. Here we present a 6.2 Å resolution three-dimensional cryo-electron microscopy (cryoEM) structure of an infectious ZIKV (strain H/PF/2013, French Polynesia) in complex with the Fab fragment of a highly therapeutic and neutralizing human monoclonal antibody, ZIKV-117...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28196962/spatial-and-temporal-analysis-of-alphavirus-replication-and-assembly-in-mammalian-and-mosquito-cells
#20
Joyce Jose, Aaron B Taylor, Richard J Kuhn
Sindbis virus (SINV [genus Alphavirus, family Togaviridae]) is an enveloped, mosquito-borne virus. Alphaviruses cause cytolytic infections in mammalian cells while establishing noncytopathic, persistent infections in mosquito cells. Mosquito vector adaptation of alphaviruses is a major factor in the transmission of epidemic strains of alphaviruses. Though extensive studies have been performed on infected mammalian cells, the morphological and structural elements of alphavirus replication and assembly remain poorly understood in mosquito cells...
February 14, 2017: MBio
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