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  • 1
    Publication Date: 2008-10-25
    Description: Determining the genetic basis of cancer requires comprehensive analyses of large collections of histopathologically well-classified primary tumours. Here we report the results of a collaborative study to discover somatic mutations in 188 human lung adenocarcinomas. DNA sequencing of 623 genes with known or potential relationships to cancer revealed more than 1,000 somatic mutations across the samples. Our analysis identified 26 genes that are mutated at significantly high frequencies and thus are probably involved in carcinogenesis. The frequently mutated genes include tyrosine kinases, among them the EGFR homologue ERBB4; multiple ephrin receptor genes, notably EPHA3; vascular endothelial growth factor receptor KDR; and NTRK genes. These data provide evidence of somatic mutations in primary lung adenocarcinoma for several tumour suppressor genes involved in other cancers--including NF1, APC, RB1 and ATM--and for sequence changes in PTPRD as well as the frequently deleted gene LRP1B. The observed mutational profiles correlate with clinical features, smoking status and DNA repair defects. These results are reinforced by data integration including single nucleotide polymorphism array and gene expression array. Our findings shed further light on several important signalling pathways involved in lung adenocarcinoma, and suggest new molecular targets for treatment.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2694412/" 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/PMC2694412/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ding, Li -- Getz, Gad -- Wheeler, David A -- Mardis, Elaine R -- McLellan, Michael D -- Cibulskis, Kristian -- Sougnez, Carrie -- Greulich, Heidi -- Muzny, Donna M -- Morgan, Margaret B -- Fulton, Lucinda -- Fulton, Robert S -- Zhang, Qunyuan -- Wendl, Michael C -- Lawrence, Michael S -- Larson, David E -- Chen, Ken -- Dooling, David J -- Sabo, Aniko -- Hawes, Alicia C -- Shen, Hua -- Jhangiani, Shalini N -- Lewis, Lora R -- Hall, Otis -- Zhu, Yiming -- Mathew, Tittu -- Ren, Yanru -- Yao, Jiqiang -- Scherer, Steven E -- Clerc, Kerstin -- Metcalf, Ginger A -- Ng, Brian -- Milosavljevic, Aleksandar -- Gonzalez-Garay, Manuel L -- Osborne, John R -- Meyer, Rick -- Shi, Xiaoqi -- Tang, Yuzhu -- Koboldt, Daniel C -- Lin, Ling -- Abbott, Rachel -- Miner, Tracie L -- Pohl, Craig -- Fewell, Ginger -- Haipek, Carrie -- Schmidt, Heather -- Dunford-Shore, Brian H -- Kraja, Aldi -- Crosby, Seth D -- Sawyer, Christopher S -- Vickery, Tammi -- Sander, Sacha -- Robinson, Jody -- Winckler, Wendy -- Baldwin, Jennifer -- Chirieac, Lucian R -- Dutt, Amit -- Fennell, Tim -- Hanna, Megan -- Johnson, Bruce E -- Onofrio, Robert C -- Thomas, Roman K -- Tonon, Giovanni -- Weir, Barbara A -- Zhao, Xiaojun -- Ziaugra, Liuda -- Zody, Michael C -- Giordano, Thomas -- Orringer, Mark B -- Roth, Jack A -- Spitz, Margaret R -- Wistuba, Ignacio I -- Ozenberger, Bradley -- Good, Peter J -- Chang, Andrew C -- Beer, David G -- Watson, Mark A -- Ladanyi, Marc -- Broderick, Stephen -- Yoshizawa, Akihiko -- Travis, William D -- Pao, William -- Province, Michael A -- Weinstock, George M -- Varmus, Harold E -- Gabriel, Stacey B -- Lander, Eric S -- Gibbs, Richard A -- Meyerson, Matthew -- Wilson, Richard K -- P50 CA070907/CA/NCI NIH HHS/ -- R01 CA154365/CA/NCI NIH HHS/ -- U19 CA084953/CA/NCI NIH HHS/ -- U19 CA084953-050003/CA/NCI NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- U54 HG003067-04/HG/NHGRI NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- England -- Nature. 2008 Oct 23;455(7216):1069-75. doi: 10.1038/nature07423.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Genome Center at Washington University, Department of Genetics, Washington University School of Medicine, St Louis, Missouri 63108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948947" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma, Bronchiolo-Alveolar/*genetics ; Female ; Gene Dosage ; Gene Expression Regulation, Neoplastic ; Genes, Tumor Suppressor ; Humans ; Lung Neoplasms/*genetics ; Male ; Mutation/*genetics ; Proto-Oncogenes/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2012-04-28
    Description: Underlying mechanisms for how bacterial infections contribute to active resolution of acute inflammation are unknown. Here, we performed exudate leukocyte trafficking and mediator-metabololipidomics of murine peritoneal Escherichia coli infections with temporal identification of pro-inflammatory (prostaglandins and leukotrienes) and specialized pro-resolving mediators (SPMs). In self-resolving E. coli exudates (10(5) colony forming units, c.f.u.), the dominant SPMs identified were resolvin (Rv) D5 and protectin D1 (PD1), which at 12 h were at significantly greater levels than in exudates from higher titre E. coli (10(7) c.f.u.)-challenged mice. Germ-free mice had endogenous RvD1 and PD1 levels higher than in conventional mice. RvD1 and RvD5 (nanograms per mouse) each reduced bacterial titres in blood and exudates, E. coli-induced hypothermia and increased survival, demonstrating the first actions of RvD5. With human polymorphonuclear neutrophils and macrophages, RvD1, RvD5 and PD1 each directly enhanced phagocytosis of E. coli, and RvD5 counter-regulated a panel of pro-inflammatory genes, including NF-kappaB and TNF-alpha. RvD5 activated the RvD1 receptor, GPR32, to enhance phagocytosis. With self-limited E. coli infections, RvD1 and the antibiotic ciprofloxacin accelerated resolution, each shortening resolution intervals (R(i)). Host-directed RvD1 actions enhanced ciprofloxacin's therapeutic actions. In 10(7) c.f.u. E. coli infections, SPMs (RvD1, RvD5, PD1) together with ciprofloxacin also heightened host antimicrobial responses. In skin infections, SPMs enhanced vancomycin clearance of Staphylococcus aureus. These results demonstrate that specific SPMs are temporally and differentially regulated during infections and that they are anti-phlogistic, enhance containment and lower antibiotic requirements for bacterial clearance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3340015/" 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/PMC3340015/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chiang, Nan -- Fredman, Gabrielle -- Backhed, Fredrik -- Oh, Sungwhan F -- Vickery, Thad -- Schmidt, Birgitta A -- Serhan, Charles N -- P01 GM095467/GM/NIGMS NIH HHS/ -- P01 GM095467-01/GM/NIGMS NIH HHS/ -- P01 GM095467-02/GM/NIGMS NIH HHS/ -- P01GM095467/GM/NIGMS NIH HHS/ -- R01 GM038765/GM/NIGMS NIH HHS/ -- R01 GM038765-24/GM/NIGMS NIH HHS/ -- R01 GM038765-25/GM/NIGMS NIH HHS/ -- R01 GM038765-26/GM/NIGMS NIH HHS/ -- R01GM38765/GM/NIGMS NIH HHS/ -- England -- Nature. 2012 Apr 25;484(7395):524-8. doi: 10.1038/nature11042.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22538616" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/*pharmacology/therapeutic use ; Docosahexaenoic Acids/*metabolism ; Escherichia coli/*drug effects/immunology ; Escherichia coli Infections/drug therapy/*metabolism/microbiology ; Humans ; Hypothermia/prevention & control ; Macrophages/immunology ; Male ; Mice ; Mice, Inbred C57BL ; Microbial Viability/drug effects ; Neutrophils/immunology ; Peritonitis/drug therapy/metabolism/microbiology ; Phagocytosis ; Skin Diseases/drug therapy/metabolism/microbiology ; Staphylococcal Infections/drug therapy/*metabolism/microbiology ; Staphylococcus aureus/drug effects/immunology ; Vancomycin/pharmacology/therapeutic use
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2017-07-04
    Description: The active hot springs, fumaroles, and mud pots of the southwestern Lassen hydrothermal system include various alteration environments, which produce a range of hydrothermal mineral assemblages. Analysis of water, mineral precipitates, altered sediment, and rock samples collected at and near these features at Sulphur Works, Bumpass Hell, Little Hot Springs Valley, and Growler and Morgan Hot Springs reveals conditions ranging from ~100 °C acid-sulfate fumaroles (e.g., Sulphur Works and Bumpass Hell) to near-neutral hot springs (e.g., Growler and Morgan), and includes both oxidizing and reducing conditions. Resulting hydrothermal minerals include a wide variety of sulfates (dominated by Al-sulfates, but also including Fe 2+ , Fe 3+ , Ca, Mg, and mixed-cation sulfates), sulfides (pyrite and marcasite), elemental sulfur, and smectite and kaolinite clays. Most altered samples contain at least one silica phase, most commonly quartz, but also including cristobalite, tridymite, and/or amorphous silica. Quartz and other silica phases are not as abundant in the less altered rock samples, thus their abundance in some hydrothermally altered sediment samples suggests a detrital origin, or formation by hydrothermal alteration (either modern or Pleistocene); this requires a high degree of diagenetic (or epigenetic) maturation. These results support a previously identified model that the Lassen hydrothermal system involves the de-coupling of a vapor phase (which becomes acidic as it oxidizes near the surface, producing acid-sulfate fumaroles at higher elevations at Sulphur Works and Bumpass Hell) from the residual near neutral thermal waters that emerge as hot springs at lower elevations (Growler and Morgan). Because both acid-sulfate fumarole and near-neutral sinter-producing hot springs have been invoked to explain the silica-rich deposits observed by the Mars Exploration Rover Spirit near Home Plate in the Columbia Hills on Mars, Lassen can serve as a useful terrestrial analog for comparison.
    Print ISSN: 0003-004X
    Electronic ISSN: 1945-3027
    Topics: Geosciences
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  • 4
  • 5
    Publication Date: 2012-03-21
    Description: The mechanisms that promote an inflammatory environment and accelerated atherosclerosis in diabetes are poorly understood. We show that macrophages isolated from two different mouse models of type 1 diabetes exhibit an inflammatory phenotype. This inflammatory phenotype associates with increased expression of long-chain acyl-CoA synthetase 1 (ACSL1), an enzyme that catalyzes the thioesterification of fatty acids. Monocytes from humans and mice with type 1 diabetes also exhibit increased ACSL1. Furthermore, myeloid-selective deletion of ACSL1 protects monocytes and macrophages from the inflammatory effects of diabetes. Strikingly, myeloid-selective deletion of ACSL1 also prevents accelerated atherosclerosis in diabetic mice without affecting lesions in nondiabetic mice. Our observations indicate that ACSL1 plays a critical role by promoting the inflammatory phenotype of macrophages associated with type 1 diabetes; they also raise the possibilities that diabetic atherosclerosis has an etiology that is, at least in part, distinct from the etiology of nondiabetic vascular disease and that this difference is because of increased monocyte and macrophage ACSL1 expression.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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