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  • 1
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    Suppression of antitumor immunity by stromal cells expressing fibroblast activation protein-alpha (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-11-06
    Description: The stromal microenvironment of tumors, which is a mixture of hematopoietic and mesenchymal cells, suppresses immune control of tumor growth. A stromal cell type that was first identified in human cancers expresses fibroblast activation protein-alpha (FAP). We created a transgenic mouse in which FAP-expressing cells can be ablated. Depletion of FAP-expressing cells, which made up only 2% of all tumor cells in established Lewis lung carcinomas, caused rapid hypoxic necrosis of both cancer and stromal cells in immunogenic tumors by a process involving interferon-gamma and tumor necrosis factor-alpha. Depleting FAP-expressing cells in a subcutaneous model of pancreatic ductal adenocarcinoma also permitted immunological control of growth. Therefore, FAP-expressing cells are a nonredundant, immune-suppressive component of the tumor microenvironment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kraman, Matthew -- Bambrough, Paul J -- Arnold, James N -- Roberts, Edward W -- Magiera, Lukasz -- Jones, James O -- Gopinathan, Aarthi -- Tuveson, David A -- Fearon, Douglas T -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2010 Nov 5;330(6005):827-30. doi: 10.1126/science.1195300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Immunology Unit, Department of Medicine, University of Cambridge, Medical Research Council Centre, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21051638" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; Cancer Vaccines/administration & dosage/immunology ; Carcinoma, Lewis Lung/*immunology/pathology/therapy ; Carcinoma, Pancreatic Ductal/*immunology/pathology ; Cell Hypoxia ; Cell Line, Tumor ; Cell Survival ; Gelatinases/*metabolism ; *Immune Tolerance ; Interferon-gamma/immunology/metabolism ; Membrane Proteins/*metabolism ; Mice ; Mice, Transgenic ; Necrosis ; Neoplasm Transplantation ; Serine Endopeptidases/*metabolism ; Stromal Cells/*immunology/metabolism ; Tumor Microenvironment/*immunology ; Tumor Necrosis Factor-alpha/immunology/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    A calcite reference material for LA-ICP-MS U-Pb geochronology (2017)
    Wiley
    Details
    Publication Date: 2017-05-31
    Description: U-Pb dating of calcite is an emerging but rapidly growing field of application in geochronology with great potential to inform problems in landscape, basin and mountain belt evolution, through age determination of diagenetic cements, vein mineralisation and geological formations difficult to date otherwise. In this brief, we present isotope dilution U-Pb isotope measurements on a sample of calcite (WC-1) that has been and will continue to be used as a reference material for in-situ U-Pb Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) dating, and which is suitable to be distributed to the geochronological community. We present in-situ measurements using LA-ICP-MS to demonstrate the suitability of WC-1 for use as a U-Pb dating reference material, in spite of it not being isotopically homogeneous. The WC-1 calcite sample is 254.4 ± 6.4 Ma old, and comprised of 85 to 98% radiogenic lead. It presents a suitable reference material that can facilitate dating of calcite ranging in age from Precambrian to late Neogene age.
    Electronic ISSN: 1525-2027
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 3
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    Nitridation of High-Purity Silicon (1976)
    Wiley
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    Publication Date: 1976-07-01
    Print ISSN: 0002-7820
    Electronic ISSN: 1551-2916
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Wiley on behalf of American Ceramic Society.
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