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11 results on '"David Lin"'

1. Direct imaging of electron density with a scanning transmission electron microscope

Author

Ondrej Dyck, Jawaher Almutlaq, David Lingerfelt, Jacob L. Swett, Mark P. Oxley, Bevin Huang, Andrew R. Lupini, Dirk Englund, and Stephen Jesse

Subjects
Science
Abstract

Abstract Recent studies of secondary electron (SE) emission in scanning transmission electron microscopes suggest that material’s properties such as electrical conductivity, connectivity, and work function can be probed with atomic scale resolution using a technique known as secondary electron e-beam-induced current (SEEBIC). Here, we apply the SEEBIC imaging technique to a stacked 2D heterostructure device to reveal the spatially resolved electron density of an encapsulated WSe2 layer. We find that the double Se lattice site shows higher emission than the W site, which is at odds with first-principles modelling of valence ionization of an isolated WSe2 cluster. These results illustrate that atomic level SEEBIC contrast within a single material is possible and that an enhanced understanding of atomic scale SE emission is required to account for the observed contrast. In turn, this suggests that, in the future, subtle information about interlayer bonding and the effect on electron orbitals could be directly revealed with this technique.

Published
2023
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2. A previously uncharacterized Factor Associated with Metabolism and Energy (FAME/C14orf105/CCDC198/1700011H14Rik) is related to evolutionary adaptation, energy balance, and kidney physiology

Author

Julian Petersen, Lukas Englmaier, Artem V. Artemov, Irina Poverennaya, Ruba Mahmoud, Thibault Bouderlique, Marketa Tesarova, Ruslan Deviatiiarov, Anett Szilvásy-Szabó, Evgeny E. Akkuratov, David Pajuelo Reguera, Hugo Zeberg, Marketa Kaucka, Maria Eleni Kastriti, Jan Krivanek, Tomasz Radaszkiewicz, Kristína Gömöryová, Sarah Knauth, David Potesil, Zbynek Zdrahal, Ranjani Sri Ganji, Anna Grabowski, Miriam E. Buhl, Tomas Zikmund, Michaela Kavkova, Håkan Axelson, David Lindgren, Rafael Kramann, Christoph Kuppe, Ferenc Erdélyi, Zoltán Máté, Gábor Szabó, Till Koehne, Tibor Harkany, Kaj Fried, Jozef Kaiser, Peter Boor, Csaba Fekete, Jan Rozman, Petr Kasparek, Jan Prochazka, Radislav Sedlacek, Vitezslav Bryja, Oleg Gusev, and Igor Adameyko

Subjects
Science
Abstract

Abstract In this study we use comparative genomics to uncover a gene with uncharacterized function (1700011H14Rik/C14orf105/CCDC198), which we hereby name FAME (Factor Associated with Metabolism and Energy). We observe that FAME shows an unusually high evolutionary divergence in birds and mammals. Through the comparison of single nucleotide polymorphisms, we identify gene flow of FAME from Neandertals into modern humans. We conduct knockout experiments on animals and observe altered body weight and decreased energy expenditure in Fame knockout animals, corresponding to genome-wide association studies linking FAME with higher body mass index in humans. Gene expression and subcellular localization analyses reveal that FAME is a membrane-bound protein enriched in the kidneys. Although the gene knockout results in structurally normal kidneys, we detect higher albumin in urine and lowered ferritin in the blood. Through experimental validation, we confirm interactions between FAME and ferritin and show co-localization in vesicular and plasma membranes.

Published
2023
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3. Compulsive alcohol drinking in rodents is associated with altered representations of behavioral control and seeking in dorsal medial prefrontal cortex

Author

Nicholas M. Timme, Baofeng Ma, David Linsenbardt, Ethan Cornwell, Taylor Galbari, and Christopher C. Lapish

Subjects
Science
Abstract

Compulsive alcohol drinking is a core feature of alcohol use disorder. Here the authors find that in rodents, neural signals in a key decision-making brain region (dmPFC) shift from behavioral control to alcohol seeking during compulsive alcohol drinking behaviour.

Published
2022
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4. Genome-wide association study identifies susceptibility loci for acute myeloid leukemia

Author

Wei-Yu Lin, Sarah E. Fordham, Eric Hungate, Nicola J. Sunter, Claire Elstob, Yaobo Xu, Catherine Park, Anne Quante, Konstantin Strauch, Christian Gieger, Andrew Skol, Thahira Rahman, Lara Sucheston-Campbell, Junke Wang, Theresa Hahn, Alyssa I. Clay-Gilmour, Gail L. Jones, Helen J. Marr, Graham H. Jackson, Tobias Menne, Mathew Collin, Adam Ivey, Robert K. Hills, Alan K. Burnett, Nigel H. Russell, Jude Fitzgibbon, Richard A. Larson, Michelle M. Le Beau, Wendy Stock, Olaf Heidenreich, Abrar Alharbi, David J. Allsup, Richard S. Houlston, Jean Norden, Anne M. Dickinson, Elisabeth Douglas, Clare Lendrem, Ann K. Daly, Louise Palm, Kim Piechocki, Sally Jeffries, Martin Bornhäuser, Christoph Röllig, Heidi Altmann, Leo Ruhnke, Desiree Kunadt, Lisa Wagenführ, Heather J. Cordell, Rebecca Darlay, Mette K. Andersen, Maria C. Fontana, Giovanni Martinelli, Giovani Marconi, Miguel A. Sanz, José Cervera, Inés Gómez-Seguí, Thomas Cluzeau, Chimène Moreilhon, Sophie Raynaud, Heinz Sill, Maria Teresa Voso, Francesco Lo-Coco, Hervé Dombret, Meyling Cheok, Claude Preudhomme, Rosemary E. Gale, David Linch, Julia Gaal-Wesinger, Andras Masszi, Daniel Nowak, Wolf-Karsten Hofmann, Amanda Gilkes, Kimmo Porkka, Jelena D. Milosevic Feenstra, Robert Kralovics, David Grimwade, Manja Meggendorfer, Torsten Haferlach, Szilvia Krizsán, Csaba Bödör, Friedrich Stölzel, Kenan Onel, and James M. Allan

Subjects
Science
Abstract

Genome wide association studies in cancer are used to understand the heritable genetic contribution to disease risk. Here, the authors perform a genome wide association study in European patients with acute myeloid leukemia and identify loci associated with risk of developing the disease.

Published
2021
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5. Author Correction: A previously uncharacterized Factor Associated with Metabolism and Energy (FAME/C14orf105/CCDC198/1700011H14Rik) is related to evolutionary adaptation, energy balance, and kidney physiology

Author

Julian Petersen, Lukas Englmaier, Artem V. Artemov, Irina Poverennaya, Ruba Mahmoud, Thibault Bouderlique, Marketa Tesarova, Ruslan Deviatiiarov, Anett Szilvásy-Szabó, Evgeny E. Akkuratov, David Pajuelo Reguera, Hugo Zeberg, Marketa Kaucka, Maria Eleni Kastriti, Jan Krivanek, Tomasz Radaszkiewicz, Kristína Gömöryová, Sarah Knauth, David Potesil, Zbynek Zdrahal, Ranjani Sri Ganji, Anna Grabowski, Miriam E. Buhl, Tomas Zikmund, Michaela Kavkova, Håkan Axelson, David Lindgren, Rafael Kramann, Christoph Kuppe, Ferenc Erdélyi, Zoltán Máté, Gábor Szabó, Till Koehne, Tibor Harkany, Kaj Fried, Jozef Kaiser, Peter Boor, Csaba Fekete, Jan Rozman, Petr Kasparek, Jan Prochazka, Radislav Sedlacek, Vitezslav Bryja, Oleg Gusev, and Igor Adameyko

Subjects
Science
Published
2023
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6. Estimating retention benchmarks for salvage logging to protect biodiversity

Author

Simon Thorn, Anne Chao, Kostadin B. Georgiev, Jörg Müller, Claus Bässler, John L. Campbell, Jorge Castro, Yan-Han Chen, Chang-Yong Choi, Tyler P. Cobb, Daniel C. Donato, Ewa Durska, Ellen Macdonald, Heike Feldhaar, Joseph B. Fontaine, Paula J. Fornwalt, Raquel María Hernández Hernández, Richard L. Hutto, Matti Koivula, Eun-Jae Lee, David Lindenmayer, Grzegorz Mikusiński, Martin K. Obrist, Michal Perlík, Josep Rost, Kaysandra Waldron, Beat Wermelinger, Ingmar Weiß, Michał Żmihorski, and Alexandro B. Leverkus

Subjects
Science
Abstract

Salvage logging has become a common practice to gain economic returns from naturally disturbed forests, but it could have considerable negative effects on biodiversity. Here the authors use a recently developed statistical method to estimate that ca. 75% of the naturally disturbed forest should be left unlogged to maintain 90% of the species unique to the area.

Published
2020
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7. Spatially and functionally distinct subclasses of breast cancer-associated fibroblasts revealed by single cell RNA sequencing

Author

Michael Bartoschek, Nikolay Oskolkov, Matteo Bocci, John Lövrot, Christer Larsson, Mikael Sommarin, Chris D. Madsen, David Lindgren, Gyula Pekar, Göran Karlsson, Markus Ringnér, Jonas Bergh, Åsa Björklund, and Kristian Pietras

Subjects
Science
Abstract

Cancer-associated fibroblasts (CAFs) are an important component of the breast tumour microenvironment. Here, single-cell RNA sequencing of CAFs from a mouse model of breast cancer defines three transcriptomically distinct subpopulations with putatively different functions.

Published
2018
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8. Author Correction: Genome-wide association study identifies susceptibility loci for acute myeloid leukemia

Author

Wei-Yu Lin, Sarah E. Fordham, Eric Hungate, Nicola J. Sunter, Claire Elstob, Yaobo Xu, Catherine Park, Anne Quante, Konstantin Strauch, Christian Gieger, Andrew Skol, Thahira Rahman, Lara Sucheston-Campbell, Junke Wang, Theresa Hahn, Alyssa I. Clay-Gilmour, Gail L. Jones, Helen J. Marr, Graham H. Jackson, Tobias Menne, Mathew Collin, Adam Ivey, Robert K. Hills, Alan K. Burnett, Nigel H. Russell, Jude Fitzgibbon, Richard A. Larson, Michelle M. Le Beau, Wendy Stock, Olaf Heidenreich, Abrar Alharbi, David J. Allsup, Richard S. Houlston, Jean Norden, Anne M. Dickinson, Elisabeth Douglas, Clare Lendrem, Ann K. Daly, Louise Palm, Kim Piechocki, Sally Jeffries, Martin Bornhäuser, Christoph Röllig, Heidi Altmann, Leo Ruhnke, Desiree Kunadt, Lisa Wagenführ, Heather J. Cordell, Rebecca Darlay, Mette K. Andersen, Maria C. Fontana, Giovanni Martinelli, Giovanni Marconi, Miguel A. Sanz, José Cervera, Inés Gómez-Seguí, Thomas Cluzeau, Chimène Moreilhon, Sophie Raynaud, Heinz Sill, Maria Teresa Voso, Francesco Lo-Coco, Hervé Dombret, Meyling Cheok, Claude Preudhomme, Rosemary E. Gale, David Linch, Julia Gaal-Wesinger, Andras Masszi, Daniel Nowak, Wolf-Karsten Hofmann, Amanda Gilkes, Kimmo Porkka, Jelena D. Milosevic Feenstra, Robert Kralovics, David Grimwade, Manja Meggendorfer, Torsten Haferlach, Szilvia Krizsán, Csaba Bödör, Friedrich Stölzel, Kenan Onel, and James M. Allan

Subjects
Science
Published
2022
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9. Patterns and drivers of recent disturbances across the temperate forest biome

Author

Andreas Sommerfeld, Cornelius Senf, Brian Buma, Anthony W. D’Amato, Tiphaine Després, Ignacio Díaz-Hormazábal, Shawn Fraver, Lee E. Frelich, Álvaro G. Gutiérrez, Sarah J. Hart, Brian J. Harvey, Hong S. He, Tomáš Hlásny, Andrés Holz, Thomas Kitzberger, Dominik Kulakowski, David Lindenmayer, Akira S. Mori, Jörg Müller, Juan Paritsis, George L. W. Perry, Scott L. Stephens, Miroslav Svoboda, Monica G. Turner, Thomas T. Veblen, and Rupert Seidl

Subjects
Science
Abstract

Climate change may impact forest disturbances, though local variability is high. Here, Sommerfeld et al. show that disturbance patterns across the temperate biome vary with agents and tree traits, yet large disturbances are consistently linked to warmer and drier than average conditions.

Published
2018
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10. Control of coordinatively unsaturated Zr sites in ZrO2 for efficient C–H bond activation

Author

Yaoyuan Zhang, Yun Zhao, Tatiana Otroshchenko, Henrik Lund, Marga-Martina Pohl, Uwe Rodemerck, David Linke, Haijun Jiao, Guiyuan Jiang, and Evgenii V. Kondratenko

Subjects
Science
Abstract

Identifying active sites and designing rationally heterogeneous catalysts are not inherently straightforward due to their complexity. Here, the authors reveal the nature of active sites for efficient C–H bond activation in C1-C4 alkanes over bare ZrO2 and provide fundamentals for controlling their concentration.

Published
2018
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11. Enhanced clinical assessment of hematologic malignancies through routine paired tumor and normal sequencing

Author

Ryan N. Ptashkin, Mark D. Ewalt, Gowtham Jayakumaran, Iwona Kiecka, Anita S. Bowman, JinJuan Yao, Jacklyn Casanova, Yun-Te David Lin, Kseniya Petrova-Drus, Abhinita S. Mohanty, Ruben Bacares, Jamal Benhamida, Satshil Rana, Anna Razumova, Chad Vanderbilt, Anoop Balakrishnan Rema, Ivelise Rijo, Julie Son-Garcia, Ino de Bruijn, Menglei Zhu, Sean Lachhander, Wei Wang, Mohammad S. Haque, Venkatraman E. Seshan, Jiajing Wang, Ying Liu, Khedoudja Nafa, Laetitia Borsu, Yanming Zhang, Umut Aypar, Sarah P. Suehnholz, Debyani Chakravarty, Jae H. Park, Omar Abdel-Wahab, Anthony R. Mato, Wenbin Xiao, Mikhail Roshal, Mariko Yabe, Connie Lee Batlevi, Sergio Giralt, Gilles Salles, Raajit Rampal, Martin Tallman, Eytan M. Stein, Anas Younes, Ross L. Levine, Miguel-Angel Perales, Marcel R. M. van den Brink, Ahmet Dogan, Marc Ladanyi, Michael F. Berger, A. Rose Brannon, Ryma Benayed, Ahmet Zehir, and Maria E. Arcila

Subjects
Science
Abstract

Abstract Genomic profiling of hematologic malignancies has augmented our understanding of variants that contribute to disease pathogenesis and supported development of prognostic models that inform disease management in the clinic. Tumor only sequencing assays are limited in their ability to identify definitive somatic variants, which can lead to ambiguity in clinical reporting and patient management. Here, we describe the MSK-IMPACT Heme cohort, a comprehensive data set of somatic alterations from paired tumor and normal DNA using a hybridization capture-based next generation sequencing platform. We highlight patterns of mutations, copy number alterations, and mutation signatures in a broad set of myeloid and lymphoid neoplasms. We also demonstrate the power of appropriate matching to make definitive somatic calls, including in patients who have undergone allogeneic stem cell transplant. We expect that this resource will further spur research into the pathobiology and clinical utility of clinical sequencing for patients with hematologic neoplasms.

Published
2023
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