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  • Lunar and Planetary Science and Exploration  (467)
  • Nuclear Structure  (289)
  • Mice, Inbred C57BL  (265)
  • ASTROPHYSICS
  • EARTH RESOURCES AND REMOTE SENSING
  • INSTRUMENTATION AND PHOTOGRAPHY
  • Life and Medical Sciences
  • 2010-2014  (1,021)
  • 1925-1929  (8)
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  • 1
    Publication Date: 2019-07-13
    Description: The Mars Science Laboratory (MSL) mission is focused on assessing the past or present habitability of Mars, through interrogation of environment and environmental records at the Curiosity rover field site in Gale crater. The MSL team has two methods available to collect, process and deliver samples to onboard analytical laboratories, the Chemistry and Mineralogy instrument (CheMin) and the Sample Analysis at Mars (SAM) instrument suite. One approach obtains samples by drilling into a rock, the other uses a scoop to collect loose regolith fines. Scooping was planned to be first method performed on Mars because materials could be readily scooped multiple times and used to remove any remaining, minute terrestrial contaminants from the sample processing system, the Collection and Handling for In-Situ Martian Rock Analysis (CHIMRA). Because of this cleaning effort, the ideal first material to be scooped would consist of fine to very fine sand, like the interior of the Serpent Dune studied by the Mars Exploration Rover (MER) Spirit team in 2004 [1]. The MSL team selected a linear eolian deposit in the lee of a group of cobbles they named Rocknest (Fig. 1) as likely to be similar to Serpent Dune. Following the definitions in Chapter 13 of Bagnold [2], the deposit is termed a sand shadow. The scooping campaign occurred over approximately 6 weeks in October and November 2012. To support these activities, the Mars Hand Lens Imager (MAHLI) acquired images for engineering support/assessment and scientific inquiry.
    Keywords: Lunar and Planetary Science and Exploration
    Type: JSC-CN-27937 , Lunar and Planetary Science Conference; Mar 18, 2013 - Mar 22, 2013; The Woodlands, TX; United States
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  • 2
    Publication Date: 2012-11-13
    Description: Author(s): Y. Oktem, D. L. Balabanski, B. Akkus, L. Amon Susam, L. Atanasova, C. W. Beausang, R. B. Cakirli, R. F. Casten, M. Danchev, M. Djongolov, E. Ganioğlu, K. A. Gladnishki, J. Tm. Goon, D. J. Hartley, A. A. Hecht, R. Krücken, J. R. Novak, G. Rainovski, L. L. Riedinger, T. Venkova, I. Yigitoglu, N. V. Zamfir, and O. Zeidan Background: Nuclei in the A ≈190 mass region show gradual shape changes from prolate through nonaxial deformed shapes and ultimately towards spherical shapes as the Pb region is approached. Exploring how this shape evolution occurs will help us understand the evolution of collectivity in this region. ... [Phys. Rev. C 86, 054305] Published Mon Nov 12, 2012
    Keywords: Nuclear Structure
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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  • 3
    Publication Date: 2011-01-29
    Description: Author(s): C. Xu, H. Hua, X. Q. Li, J. Meng, Z. H. Li, F. R. Xu, Y. Shi, H. L. Liu, S. Q. Zhang, Z. Y. Li, L. H. Zhu, X. G. Wu, G. S. Li, C. Y. He, S. G. Zhou, S. Y. Wang, Y. L. Ye, D. X. Jiang, T. Zheng, J. L. Lou, L. Y. Ma, E. H. Wang, Y. Y. Cheng, and C. He High-spin states in ^{157} Yb have been populated in the ^{144} Sm( ^{16} O,3n) ^{157} Yb fusion-evaporation reaction at a beam energy of 85 MeV. Two rotational bands built on the νf_{7/2} and νh_{9/2} intrinsic states, respectively, have been established for the first time. The newly observed νf... [Phys. Rev. C 83, 014318] Published Fri Jan 28, 2011
    Keywords: Nuclear Structure
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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  • 4
    Publication Date: 2012-09-21
    Description: The AP1 transcription factor Batf3 is required for homeostatic development of CD8alpha(+) classical dendritic cells that prime CD8 T-cell responses against intracellular pathogens. Here we identify an alternative, Batf3-independent pathway in mice for CD8alpha(+) dendritic cell development operating during infection with intracellular pathogens and mediated by the cytokines interleukin (IL)-12 and interferon-gamma. This alternative pathway results from molecular compensation for Batf3 provided by the related AP1 factors Batf, which also functions in T and B cells, and Batf2 induced by cytokines in response to infection. Reciprocally, physiological compensation between Batf and Batf3 also occurs in T cells for expression of IL-10 and CTLA4. Compensation among BATF factors is based on the shared capacity of their leucine zipper domains to interact with non-AP1 factors such as IRF4 and IRF8 to mediate cooperative gene activation. Conceivably, manipulating this alternative pathway of dendritic cell development could be of value in augmenting immune responses to vaccines.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3482832/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3482832/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tussiwand, Roxane -- Lee, Wan-Ling -- Murphy, Theresa L -- Mashayekhi, Mona -- KC, Wumesh -- Albring, Jorn C -- Satpathy, Ansuman T -- Rotondo, Jeffrey A -- Edelson, Brian T -- Kretzer, Nicole M -- Wu, Xiaodi -- Weiss, Leslie A -- Glasmacher, Elke -- Li, Peng -- Liao, Wei -- Behnke, Michael -- Lam, Samuel S K -- Aurthur, Cora T -- Leonard, Warren J -- Singh, Harinder -- Stallings, Christina L -- Sibley, L David -- Schreiber, Robert D -- Murphy, Kenneth M -- AI076427-02/AI/NIAID NIH HHS/ -- P30 CA91842/CA/NCI NIH HHS/ -- R01 AI036629/AI/NIAID NIH HHS/ -- R01 AI076427/AI/NIAID NIH HHS/ -- R01 CA043059/CA/NCI NIH HHS/ -- T32 AI007163/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Oct 25;490(7421):502-7. doi: 10.1038/nature11531. Epub 2012 Sep 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Immunology, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, Missouri 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22992524" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; Antigens, CD/metabolism ; Antigens, CD8/immunology/metabolism ; Basic-Leucine Zipper Transcription ; Factors/chemistry/deficiency/genetics/*metabolism ; CD4-Positive T-Lymphocytes/cytology/immunology ; CTLA-4 Antigen/metabolism ; Cell Differentiation ; Cell Line, Tumor ; Cell Lineage ; Dendritic Cells/*cytology/immunology/*metabolism ; Female ; Fibrosarcoma/immunology/metabolism/pathology ; Gene Expression Regulation ; Integrin alpha Chains/metabolism ; Interferon Regulatory Factors/deficiency/genetics/*metabolism ; Interleukin-10/metabolism ; Interleukin-12/immunology/metabolism ; Leucine Zippers ; Male ; Mice ; Mice, Inbred C57BL ; Neoplasm Transplantation ; Oncogene Protein p65(gag-jun)/metabolism ; Protein Binding ; Protein Structure, Tertiary ; Repressor Proteins/deficiency/genetics ; T-Lymphocytes, Helper-Inducer/cytology/immunology/metabolism ; Toxoplasma/immunology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2012-06-16
    Description: Pancreatic ductal adenocarcinoma (PDA) remains a lethal malignancy despite much progress concerning its molecular characterization. PDA tumours harbour four signature somatic mutations in addition to numerous lower frequency genetic events of uncertain significance. Here we use Sleeping Beauty (SB) transposon-mediated insertional mutagenesis in a mouse model of pancreatic ductal preneoplasia to identify genes that cooperate with oncogenic Kras(G12D) to accelerate tumorigenesis and promote progression. Our screen revealed new candidate genes for PDA and confirmed the importance of many genes and pathways previously implicated in human PDA. The most commonly mutated gene was the X-linked deubiquitinase Usp9x, which was inactivated in over 50% of the tumours. Although previous work had attributed a pro-survival role to USP9X in human neoplasia, we found instead that loss of Usp9x enhances transformation and protects pancreatic cancer cells from anoikis. Clinically, low USP9X protein and messenger RNA expression in PDA correlates with poor survival after surgery, and USP9X levels are inversely associated with metastatic burden in advanced disease. Furthermore, chromatin modulation with trichostatin A or 5-aza-2'-deoxycytidine elevates USP9X expression in human PDA cell lines, indicating a clinical approach for certain patients. The conditional deletion of Usp9x cooperated with Kras(G12D) to accelerate pancreatic tumorigenesis in mice, validating their genetic interaction. We propose that USP9X is a major tumour suppressor gene with prognostic and therapeutic relevance in PDA.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376394/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376394/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perez-Mancera, Pedro A -- Rust, Alistair G -- van der Weyden, Louise -- Kristiansen, Glen -- Li, Allen -- Sarver, Aaron L -- Silverstein, Kevin A T -- Grutzmann, Robert -- Aust, Daniela -- Rummele, Petra -- Knosel, Thomas -- Herd, Colin -- Stemple, Derek L -- Kettleborough, Ross -- Brosnan, Jacqueline A -- Li, Ang -- Morgan, Richard -- Knight, Spencer -- Yu, Jun -- Stegeman, Shane -- Collier, Lara S -- ten Hoeve, Jelle J -- de Ridder, Jeroen -- Klein, Alison P -- Goggins, Michael -- Hruban, Ralph H -- Chang, David K -- Biankin, Andrew V -- Grimmond, Sean M -- Australian Pancreatic Cancer Genome Initiative -- Wessels, Lodewyk F A -- Wood, Stephen A -- Iacobuzio-Donahue, Christine A -- Pilarsky, Christian -- Largaespada, David A -- Adams, David J -- Tuveson, David A -- 13031/Cancer Research UK/United Kingdom -- 2P50CA101955/CA/NCI NIH HHS/ -- CA106610/CA/NCI NIH HHS/ -- CA122183/CA/NCI NIH HHS/ -- CA128920/CA/NCI NIH HHS/ -- CA62924/CA/NCI NIH HHS/ -- K01 CA122183/CA/NCI NIH HHS/ -- K01 CA122183-05/CA/NCI NIH HHS/ -- P50 CA101955/CA/NCI NIH HHS/ -- P50CA62924/CA/NCI NIH HHS/ -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2012 Apr 29;486(7402):266-70. doi: 10.1038/nature11114.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Li Ka Shing Centre, Cambridge Research Institute, Cancer Research UK, Cambridge CB2 0RE, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22699621" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anoikis/genetics ; Carcinoma, Pancreatic Ductal/*enzymology/genetics/pathology ; Cell Line, Tumor ; Disease Models, Animal ; Endopeptidases ; Gene Expression Regulation, Neoplastic ; Gene Knockdown Techniques ; Humans ; Mice ; Mice, Inbred C57BL ; Pancreatic Neoplasms/*enzymology/genetics/pathology ; U937 Cells ; Ubiquitin Thiolesterase/*genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2019-07-13
    Description: MAHLI (Mars Hand Lens Imager) is a 2-megapixel focusable macro lens color camera on the turret on Curiosity's robotic arm. The investigation centers on stratigraphy, grain-scale texture, structure, mineralogy, and morphology of geologic materials at Curiosity's Gale robotic field site. MAHLI acquires focused images at working distances of 2.1 cm to infinity; for reference, at 2.1 cm the scale is 14 microns/pixel; at 6.9 cm it is 31 microns/pixel, like the Spirit and Opportunity Microscopic Imager (MI) cameras.
    Keywords: Lunar and Planetary Science and Exploration
    Type: Lunar and Planetary Science Conference (LPSC 2013); Mar 18, 2013 - Mar 22, 2013; The Woodlands, TX; United States
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  • 7
    Publication Date: 2011-06-07
    Description: Author(s): L. Gu (顾龙), S. J. Zhu (朱胜江), J. G. Wang (王建国), E. Y. Yeoh (杨韵颐), Z. G. Xiao (肖志刚), S. Q. Zhang (张双全), J. Meng (孟杰), M. Zhang (张明), Y. Liu (刘宇), H. B. Ding (丁怀博), Q. Xu (徐强), L. H. Zhu (竺礼华), X. G. Wu (吴晓光), C. Y. He (贺创业), G. S. Li (李广生), L. L. Wang (王烈林), Y. Zheng (郑云), and B. Zhang (张彪) The high-spin states of 141 Pm have been investigated through the reaction 126 Te ( 19 F ,4 n ) at a beam energy of 90 MeV. A previous level scheme has been updated with spins up to 49/2 ℏ . Six collective bands at high spins are newly observed. Based on the systematic comparison, one band is proposed as a de... [Phys. Rev. C 83, 064303] Published Mon Jun 06, 2011
    Keywords: Nuclear Structure
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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  • 8
    Publication Date: 2014-01-14
    Description: Author(s): Z. Y. Zhang (张志远), Z. G. Gan (甘再国), L. Ma (马龙), L. Yu (郁琳), H. B. Yang (杨华彬), T. H. Huang (黄天衡), G. S. Li (李广顺), Y. L. Tian (田玉林), Y. S. Wang (王永生), X. X. Xu (徐新星), X. L. Wu (吴晓蕾), M. H. Huang (黄明辉), C. Luo (罗成), Z. Z. Ren (任中洲), S. G. Zhou (周善贵), X. H. Zhou (周小红), H. S. Xu (徐瑚珊), and G. Q. Xiao (肖国青) The new neutron-deficient isotope 205Ac was synthesized in the complete-fusion reaction 169Tm(40Ca, 4n)205Ac. The evaporation residues were separated in-flight by the gas-filled recoil separator SHANS in Lanzhou and subsequently identified by the α-α position and time correlation method. The α-decay... [Phys. Rev. C 89, 014308] Published Mon Jan 13, 2014
    Keywords: Nuclear Structure
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
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  • 9
    Publication Date: 2011-12-17
    Description: Lysosomal storage diseases (LSDs) are a group of heterogeneous disorders caused by defects in lysosomal enzymes or transporters, resulting in accumulation of undegraded macromolecules or metabolites. Macrophage numbers are expanded in several LSDs, leading to histiocytosis of unknown pathophysiology. Here, we found that mice lacking the equilibrative nucleoside transporter 3 (ENT3) developed a spontaneous and progressive macrophage-dominated histiocytosis. In the absence of ENT3, defective apoptotic cell clearance led to lysosomal nucleoside buildup, elevated intralysosomal pH, and altered macrophage function. The macrophage accumulation was partly due to increased macrophage colony-stimulating factor and receptor expression and signaling secondary to the lysosomal defects. These studies suggest a cellular and molecular basis for the development of histiocytosis in several human syndromes associated with ENT3 mutations and potentially other LSDs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hsu, Chia-Lin -- Lin, Weiyu -- Seshasayee, Dhaya -- Chen, Yung-Hsiang -- Ding, Xiao -- Lin, Zhonghua -- Suto, Eric -- Huang, Zhiyu -- Lee, Wyne P -- Park, Hyunjoo -- Xu, Min -- Sun, Mei -- Rangell, Linda -- Lutman, Jeff L -- Ulufatu, Sheila -- Stefanich, Eric -- Chalouni, Cecile -- Sagolla, Meredith -- Diehl, Lauri -- Fielder, Paul -- Dean, Brian -- Balazs, Mercedesz -- Martin, Flavius -- New York, N.Y. -- Science. 2012 Jan 6;335(6064):89-92. doi: 10.1126/science.1213682. Epub 2011 Dec 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22174130" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/metabolism ; Animals ; Apoptosis ; Cell Count ; Cell Proliferation ; Cells, Cultured ; Histiocytosis/*physiopathology ; *Homeostasis ; Humans ; Hydrogen-Ion Concentration ; Listeriosis/immunology/microbiology ; Lysosomal Storage Diseases/physiopathology ; Lysosomes/*physiology/ultrastructure ; Macrophage Colony-Stimulating Factor/metabolism ; Macrophages/immunology/*physiology/ultrastructure ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Myelopoiesis ; Nucleoside Transport Proteins/genetics/*physiology ; Phagocytosis ; Receptor, Macrophage Colony-Stimulating Factor/metabolism ; Signal Transduction ; Thymocytes/immunology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2012-12-14
    Description: The clinical efficacy and safety of a drug is determined by its activity profile across many proteins in the proteome. However, designing drugs with a specific multi-target profile is both complex and difficult. Therefore methods to design drugs rationally a priori against profiles of several proteins would have immense value in drug discovery. Here we describe a new approach for the automated design of ligands against profiles of multiple drug targets. The method is demonstrated by the evolution of an approved acetylcholinesterase inhibitor drug into brain-penetrable ligands with either specific polypharmacology or exquisite selectivity profiles for G-protein-coupled receptors. Overall, 800 ligand-target predictions of prospectively designed ligands were tested experimentally, of which 75% were confirmed to be correct. We also demonstrate target engagement in vivo. The approach can be a useful source of drug leads when multi-target profiles are required to achieve either selectivity over other drug targets or a desired polypharmacology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3653568/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3653568/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Besnard, Jeremy -- Ruda, Gian Filippo -- Setola, Vincent -- Abecassis, Keren -- Rodriguiz, Ramona M -- Huang, Xi-Ping -- Norval, Suzanne -- Sassano, Maria F -- Shin, Antony I -- Webster, Lauren A -- Simeons, Frederick R C -- Stojanovski, Laste -- Prat, Annik -- Seidah, Nabil G -- Constam, Daniel B -- Bickerton, G Richard -- Read, Kevin D -- Wetsel, William C -- Gilbert, Ian H -- Roth, Bryan L -- Hopkins, Andrew L -- 083481/Wellcome Trust/United Kingdom -- BB/FOF/PF/15/09/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/J010510/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- MH082441/MH/NIMH NIH HHS/ -- R01 DA017204/DA/NIDA NIH HHS/ -- R01 MH061887/MH/NIMH NIH HHS/ -- U19 MH082441/MH/NIMH NIH HHS/ -- WT 083481/Wellcome Trust/United Kingdom -- England -- Nature. 2012 Dec 13;492(7428):215-20. doi: 10.1038/nature11691.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235874" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Automation ; Drug Delivery Systems ; *Drug Design ; Female ; *Ligands ; Male ; Mice ; Mice, Inbred C57BL ; Models, Theoretical ; Pharmacological Phenomena ; Reproducibility of Results
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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