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  • 1
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    Pancreatic cancer genomes reveal aberrations in axon guidance pathway genes (2012)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2012-10-30
    Beschreibung: Pancreatic cancer is a highly lethal malignancy with few effective therapies. We performed exome sequencing and copy number analysis to define genomic aberrations in a prospectively accrued clinical cohort (n = 142) of early (stage I and II) sporadic pancreatic ductal adenocarcinoma. Detailed analysis of 99 informative tumours identified substantial heterogeneity with 2,016 non-silent mutations and 1,628 copy-number variations. We define 16 significantly mutated genes, reaffirming known mutations (KRAS, TP53, CDKN2A, SMAD4, MLL3, TGFBR2, ARID1A and SF3B1), and uncover novel mutated genes including additional genes involved in chromatin modification (EPC1 and ARID2), DNA damage repair (ATM) and other mechanisms (ZIM2, MAP2K4, NALCN, SLC16A4 and MAGEA6). Integrative analysis with in vitro functional data and animal models provided supportive evidence for potential roles for these genetic aberrations in carcinogenesis. Pathway-based analysis of recurrently mutated genes recapitulated clustering in core signalling pathways in pancreatic ductal adenocarcinoma, and identified new mutated genes in each pathway. We also identified frequent and diverse somatic aberrations in genes described traditionally as embryonic regulators of axon guidance, particularly SLIT/ROBO signalling, which was also evident in murine Sleeping Beauty transposon-mediated somatic mutagenesis models of pancreatic cancer, providing further supportive evidence for the potential involvement of axon guidance genes in pancreatic carcinogenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3530898/" 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/PMC3530898/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biankin, Andrew V -- Waddell, Nicola -- Kassahn, Karin S -- Gingras, Marie-Claude -- Muthuswamy, Lakshmi B -- Johns, Amber L -- Miller, David K -- Wilson, Peter J -- Patch, Ann-Marie -- Wu, Jianmin -- Chang, David K -- Cowley, Mark J -- Gardiner, Brooke B -- Song, Sarah -- Harliwong, Ivon -- Idrisoglu, Senel -- Nourse, Craig -- Nourbakhsh, Ehsan -- Manning, Suzanne -- Wani, Shivangi -- Gongora, Milena -- Pajic, Marina -- Scarlett, Christopher J -- Gill, Anthony J -- Pinho, Andreia V -- Rooman, Ilse -- Anderson, Matthew -- Holmes, Oliver -- Leonard, Conrad -- Taylor, Darrin -- Wood, Scott -- Xu, Qinying -- Nones, Katia -- Fink, J Lynn -- Christ, Angelika -- Bruxner, Tim -- Cloonan, Nicole -- Kolle, Gabriel -- Newell, Felicity -- Pinese, Mark -- Mead, R Scott -- Humphris, Jeremy L -- Kaplan, Warren -- Jones, Marc D -- Colvin, Emily K -- Nagrial, Adnan M -- Humphrey, Emily S -- Chou, Angela -- Chin, Venessa T -- Chantrill, Lorraine A -- Mawson, Amanda -- Samra, Jaswinder S -- Kench, James G -- Lovell, Jessica A -- Daly, Roger J -- Merrett, Neil D -- Toon, Christopher -- Epari, Krishna -- Nguyen, Nam Q -- Barbour, Andrew -- Zeps, Nikolajs -- Australian Pancreatic Cancer Genome Initiative -- Kakkar, Nipun -- Zhao, Fengmei -- Wu, Yuan Qing -- Wang, Min -- Muzny, Donna M -- Fisher, William E -- Brunicardi, F Charles -- Hodges, Sally E -- Reid, Jeffrey G -- Drummond, Jennifer -- Chang, Kyle -- Han, Yi -- Lewis, Lora R -- Dinh, Huyen -- Buhay, Christian J -- Beck, Timothy -- Timms, Lee -- Sam, Michelle -- Begley, Kimberly -- Brown, Andrew -- Pai, Deepa -- Panchal, Ami -- Buchner, Nicholas -- De Borja, Richard -- Denroche, Robert E -- Yung, Christina K -- Serra, Stefano -- Onetto, Nicole -- Mukhopadhyay, Debabrata -- Tsao, Ming-Sound -- Shaw, Patricia A -- Petersen, Gloria M -- Gallinger, Steven -- Hruban, Ralph H -- Maitra, Anirban -- Iacobuzio-Donahue, Christine A -- Schulick, Richard D -- Wolfgang, Christopher L -- Morgan, Richard A -- Lawlor, Rita T -- Capelli, Paola -- Corbo, Vincenzo -- Scardoni, Maria -- Tortora, Giampaolo -- Tempero, Margaret A -- Mann, Karen M -- Jenkins, Nancy A -- Perez-Mancera, Pedro A -- Adams, David J -- Largaespada, David A -- Wessels, Lodewyk F A -- Rust, Alistair G -- Stein, Lincoln D -- Tuveson, David A -- Copeland, Neal G -- Musgrove, Elizabeth A -- Scarpa, Aldo -- Eshleman, James R -- Hudson, Thomas J -- Sutherland, Robert L -- Wheeler, David A -- Pearson, John V -- McPherson, John D -- Gibbs, Richard A -- Grimmond, Sean M -- 13031/Cancer Research UK/United Kingdom -- 2P50CA101955/CA/NCI NIH HHS/ -- P01CA134292/CA/NCI NIH HHS/ -- P50 CA101955/CA/NCI NIH HHS/ -- P50 CA102701/CA/NCI NIH HHS/ -- P50CA062924/CA/NCI NIH HHS/ -- R01 CA097075/CA/NCI NIH HHS/ -- R01 CA97075/CA/NCI NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2012 Nov 15;491(7424):399-405. doi: 10.1038/nature11547. Epub 2012 Oct 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Kinghorn Cancer Centre, 370 Victoria Street, Darlinghurst, Sydney, New South Wales 2010, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23103869" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Axons/*metabolism ; Carcinoma, Pancreatic Ductal/*genetics/*pathology ; Gene Dosage ; Gene Expression Regulation, Neoplastic ; Genome/*genetics ; Humans ; Kaplan-Meier Estimate ; Mice ; Mutation ; Pancreatic Neoplasms/*genetics/*pathology ; Proteins/genetics ; Signal Transduction
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Drug development: Raise standards for preclinical cancer research (2012)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2012-03-31
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Begley, C Glenn -- Ellis, Lee M -- England -- Nature. 2012 Mar 28;483(7391):531-3. doi: 10.1038/483531a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hematology and Oncology Research, Amgen, Thousand Oaks, California 91359, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22460880" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomedical Research/*standards ; Cell Line, Tumor ; Clinical Trials as Topic/statistics & numerical data ; Drug Evaluation, Preclinical/*standards ; Humans ; Mice ; Neoplasms/*drug therapy/genetics ; Reproducibility of Results ; Research Design/statistics & numerical data ; Survival Analysis ; Translational Medical Research/standards/*statistics & numerical data/trends ; Treatment Failure
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Cell-cycle-regulated activation of Akt kinase by phosphorylation at its carboxyl terminus (2014)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2014-03-29
    Beschreibung: Akt, also known as protein kinase B, plays key roles in cell proliferation, survival and metabolism. Akt hyperactivation contributes to many pathophysiological conditions, including human cancers, and is closely associated with poor prognosis and chemo- or radiotherapeutic resistance. Phosphorylation of Akt at S473 (ref. 5) and T308 (ref. 6) activates Akt. However, it remains unclear whether further mechanisms account for full Akt activation, and whether Akt hyperactivation is linked to misregulated cell cycle progression, another cancer hallmark. Here we report that Akt activity fluctuates across the cell cycle, mirroring cyclin A expression. Mechanistically, phosphorylation of S477 and T479 at the Akt extreme carboxy terminus by cyclin-dependent kinase 2 (Cdk2)/cyclin A or mTORC2, under distinct physiological conditions, promotes Akt activation through facilitating, or functionally compensating for, S473 phosphorylation. Furthermore, deletion of the cyclin A2 allele in the mouse olfactory bulb leads to reduced S477/T479 phosphorylation and elevated cellular apoptosis. Notably, cyclin A2-deletion-induced cellular apoptosis in mouse embryonic stem cells is partly rescued by S477D/T479E-Akt1, supporting a physiological role for cyclin A2 in governing Akt activation. Together, the results of our study show Akt S477/T479 phosphorylation to be an essential layer of the Akt activation mechanism to regulate its physiological functions, thereby providing a new mechanistic link between aberrant cell cycle progression and Akt hyperactivation in cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4076493/" 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/PMC4076493/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Pengda -- Begley, Michael -- Michowski, Wojciech -- Inuzuka, Hiroyuki -- Ginzberg, Miriam -- Gao, Daming -- Tsou, Peiling -- Gan, Wenjian -- Papa, Antonella -- Kim, Byeong Mo -- Wan, Lixin -- Singh, Amrik -- Zhai, Bo -- Yuan, Min -- Wang, Zhiwei -- Gygi, Steven P -- Lee, Tae Ho -- Lu, Kun-Ping -- Toker, Alex -- Pandolfi, Pier Paolo -- Asara, John M -- Kirschner, Marc W -- Sicinski, Piotr -- Cantley, Lewis -- Wei, Wenyi -- 2P01CA120964/CA/NCI NIH HHS/ -- 5T32HL007893/HL/NHLBI NIH HHS/ -- CA177910/CA/NCI NIH HHS/ -- GM089763/GM/NIGMS NIH HHS/ -- GM094777/GM/NIGMS NIH HHS/ -- P01 CA120964/CA/NCI NIH HHS/ -- R01 CA132740/CA/NCI NIH HHS/ -- R01 CA167677/CA/NCI NIH HHS/ -- R01 CA177910/CA/NCI NIH HHS/ -- R01 GM041890/GM/NIGMS NIH HHS/ -- R01 GM089763/GM/NIGMS NIH HHS/ -- R01 GM094777/GM/NIGMS NIH HHS/ -- R01 HL111430/HL/NHLBI NIH HHS/ -- R01CA132740/CA/NCI NIH HHS/ -- S10 OD010612/OD/NIH HHS/ -- T32 HL007893/HL/NHLBI NIH HHS/ -- England -- Nature. 2014 Apr 24;508(7497):541-5. doi: 10.1038/nature13079. Epub 2014 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA. ; 1] Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA [2] Department of Systems Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Department of Cancer Biology, Dana-Farber Cancer Institute and Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA [3] Cancer Genetics Program and Division of Genetics, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA. ; Division of Gerontology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA. ; Cell Signaling Technology, Danvers, Massachusetts 01923, USA. ; Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA. ; 1] Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] The Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, the First Affiliated Hospital, Soochow University, Suzhou 215123, China (Z.W.); Cancer Center at Weill Cornell Medical College and NewYork-Presbyterian Hospital, New York, New York 10065, USA (L.C.). ; Department of Systems Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA [2] Department of Systems Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] The Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, the First Affiliated Hospital, Soochow University, Suzhou 215123, China (Z.W.); Cancer Center at Weill Cornell Medical College and NewYork-Presbyterian Hospital, New York, New York 10065, USA (L.C.).〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670654" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Apoptosis/genetics ; Cell Cycle/*physiology ; Cell Proliferation ; Cyclin A2/metabolism ; Cyclin-Dependent Kinase 2/metabolism ; Embryonic Stem Cells/cytology/metabolism ; Enzyme Activation ; Male ; Mice ; Multiprotein Complexes/metabolism ; Neoplasms/enzymology/pathology ; Olfactory Bulb/cytology/enzymology/metabolism ; Oncogene Protein v-akt/chemistry/metabolism ; Phosphorylation ; Phosphoserine/metabolism ; Phosphothreonine/metabolism ; Proto-Oncogene Proteins c-akt/*chemistry/*metabolism ; TOR Serine-Threonine Kinases/metabolism
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    Saccharomyces cerevisiae THI4p is a suicide thiamine thiazole synthase (2011)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2011-10-28
    Beschreibung: Thiamine pyrophosphate 1 is an essential cofactor in all living systems. Its biosynthesis involves the separate syntheses of the pyrimidine 2 and thiazole 3 precursors, which are then coupled. Two biosynthetic routes to the thiamine thiazole have been identified. In prokaryotes, five enzymes act on three substrates to produce the thiazole via a complex oxidative condensation reaction, the mechanistic details of which are now well established. In contrast, only one gene product is involved in thiazole biosynthesis in eukaryotes (THI4p in Saccharomyces cerevisiae). Here we report the preparation of fully active recombinant wild-type THI4p, the identification of an iron-dependent sulphide transfer reaction from a conserved cysteine residue of the protein to a reaction intermediate and the demonstration that THI4p is a suicide enzyme undergoing only a single turnover.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3205460/" 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/PMC3205460/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chatterjee, Abhishek -- Abeydeera, N Dinuka -- Bale, Shridhar -- Pai, Pei-Jing -- Dorrestein, Pieter C -- Russell, David H -- Ealick, Steven E -- Begley, Tadhg P -- DK44083/DK/NIDDK NIH HHS/ -- DK67081/DK/NIDDK NIH HHS/ -- R01 DK067081/DK/NIDDK NIH HHS/ -- R37 DK044083/DK/NIDDK NIH HHS/ -- R37 DK044083-21/DK/NIDDK NIH HHS/ -- England -- Nature. 2011 Oct 26;478(7370):542-6. doi: 10.1038/nature10503.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22031445" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; *Biocatalysis ; Carbon-Nitrogen Lyases/chemistry/*metabolism ; Conserved Sequence ; Cysteine/metabolism ; Iron/metabolism ; Molecular Sequence Data ; Recombinant Proteins ; Saccharomyces cerevisiae/*enzymology ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism ; Sulfides/metabolism ; Sulfur/metabolism ; Thiamine/*metabolism ; Thiamine Pyrophosphate/metabolism ; Thiazoles/*metabolism
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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