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  • Articles  (65)
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  • Nature Publishing Group (NPG)  (65)
  • 2015-2019  (65)
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  • 1
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    Genomic analyses identify molecular subtypes of pancreatic cancer (2016)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2016-02-26
    Description: Integrated genomic analysis of 456 pancreatic ductal adenocarcinomas identified 32 recurrently mutated genes that aggregate into 10 pathways: KRAS, TGF-beta, WNT, NOTCH, ROBO/SLIT signalling, G1/S transition, SWI-SNF, chromatin modification, DNA repair and RNA processing. Expression analysis defined 4 subtypes: (1) squamous; (2) pancreatic progenitor; (3) immunogenic; and (4) aberrantly differentiated endocrine exocrine (ADEX) that correlate with histopathological characteristics. Squamous tumours are enriched for TP53 and KDM6A mutations, upregulation of the TP63N transcriptional network, hypermethylation of pancreatic endodermal cell-fate determining genes and have a poor prognosis. Pancreatic progenitor tumours preferentially express genes involved in early pancreatic development (FOXA2/3, PDX1 and MNX1). ADEX tumours displayed upregulation of genes that regulate networks involved in KRAS activation, exocrine (NR5A2 and RBPJL), and endocrine differentiation (NEUROD1 and NKX2-2). Immunogenic tumours contained upregulated immune networks including pathways involved in acquired immune suppression. These data infer differences in the molecular evolution of pancreatic cancer subtypes and identify opportunities for therapeutic development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bailey, Peter -- Chang, David K -- Nones, Katia -- Johns, Amber L -- Patch, Ann-Marie -- Gingras, Marie-Claude -- Miller, David K -- Christ, Angelika N -- Bruxner, Tim J C -- Quinn, Michael C -- Nourse, Craig -- Murtaugh, L Charles -- Harliwong, Ivon -- Idrisoglu, Senel -- Manning, Suzanne -- Nourbakhsh, Ehsan -- Wani, Shivangi -- Fink, Lynn -- Holmes, Oliver -- Chin, Venessa -- Anderson, Matthew J -- Kazakoff, Stephen -- Leonard, Conrad -- Newell, Felicity -- Waddell, Nick -- Wood, Scott -- Xu, Qinying -- Wilson, Peter J -- Cloonan, Nicole -- Kassahn, Karin S -- Taylor, Darrin -- Quek, Kelly -- Robertson, Alan -- Pantano, Lorena -- Mincarelli, Laura -- Sanchez, Luis N -- Evers, Lisa -- Wu, Jianmin -- Pinese, Mark -- Cowley, Mark J -- Jones, Marc D -- Colvin, Emily K -- Nagrial, Adnan M -- Humphrey, Emily S -- Chantrill, Lorraine A -- Mawson, Amanda -- Humphris, Jeremy -- Chou, Angela -- Pajic, Marina -- Scarlett, Christopher J -- Pinho, Andreia V -- Giry-Laterriere, Marc -- Rooman, Ilse -- Samra, Jaswinder S -- Kench, James G -- Lovell, Jessica A -- Merrett, Neil D -- Toon, Christopher W -- Epari, Krishna -- Nguyen, Nam Q -- Barbour, Andrew -- Zeps, Nikolajs -- Moran-Jones, Kim -- Jamieson, Nigel B -- Graham, Janet S -- Duthie, Fraser -- Oien, Karin -- Hair, Jane -- Grutzmann, Robert -- Maitra, Anirban -- Iacobuzio-Donahue, Christine A -- Wolfgang, Christopher L -- Morgan, Richard A -- Lawlor, Rita T -- Corbo, Vincenzo -- Bassi, Claudio -- Rusev, Borislav -- Capelli, Paola -- Salvia, Roberto -- Tortora, Giampaolo -- Mukhopadhyay, Debabrata -- Petersen, Gloria M -- Australian Pancreatic Cancer Genome Initiative -- Munzy, Donna M -- Fisher, William E -- Karim, Saadia A -- Eshleman, James R -- Hruban, Ralph H -- Pilarsky, Christian -- Morton, Jennifer P -- Sansom, Owen J -- Scarpa, Aldo -- Musgrove, Elizabeth A -- Bailey, Ulla-Maja Hagbo -- Hofmann, Oliver -- Sutherland, Robert L -- Wheeler, David A -- Gill, Anthony J -- Gibbs, Richard A -- Pearson, John V -- Waddell, Nicola -- Biankin, Andrew V -- Grimmond, Sean M -- 103721/Z/14/Z/Wellcome Trust/United Kingdom -- A12481/Cancer Research UK/United Kingdom -- A18076/Cancer Research UK/United Kingdom -- C29717/A17263/Cancer Research UK/United Kingdom -- England -- Nature. 2016 Mar 3;531(7592):47-52. doi: 10.1038/nature16965. Epub 2016 Feb 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia. ; Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; The Kinghorn Cancer Centre, 370 Victoria St, Darlinghurst, and the Cancer Research Program, Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia. ; Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia. ; South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales, Liverpool, New South Wales 2170, Australia. ; QIMR Berghofer Medical Research Institute, Herston, Queensland 4006, Australia. ; Department of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas 77030, USA. ; Michael DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas 77030, USA. ; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA. ; Department of Human Genetics, University of Utah, Salt Lake City, Utah 84112, USA. ; Genetic and Molecular Pathology, SA Pathology, Adelaide, South Australia 5000, Australia. ; School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5000, Australia. ; Harvard Chan Bioinformatics Core, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, USA. ; Macarthur Cancer Therapy Centre, Campbelltown Hospital, New South Wales 2560, Australia. ; Department of Pathology. SydPath, St Vincent's Hospital, Sydney, NSW 2010, Australia. ; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2052, Australia. ; School of Environmental &Life Sciences, University of Newcastle, Ourimbah, New South Wales 2258, Australia. ; Department of Surgery, Royal North Shore Hospital, St Leonards, Sydney, New South Wales 2065, Australia. ; University of Sydney, Sydney, New South Wales 2006, Australia. ; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown New South Wales 2050, Australia. ; School of Medicine, University of Western Sydney, Penrith, New South Wales 2175, Australia. ; Fiona Stanley Hospital, Robin Warren Drive, Murdoch, Western Australia 6150, Australia. ; Department of Gastroenterology, Royal Adelaide Hospital, North Terrace, Adelaide, South Australia 5000, Australia. ; Department of Surgery, Princess Alexandra Hospital, Ipswich Rd, Woollongabba, Queensland 4102, Australia. ; School of Surgery M507, University of Western Australia, 35 Stirling Hwy, Nedlands 6009, Australia and St John of God Pathology, 12 Salvado Rd, Subiaco, Western Australia 6008, Australia. ; Academic Unit of Surgery, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow G4 OSF, UK. ; West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow G31 2ER, UK. ; Department of Medical Oncology, Beatson West of Scotland Cancer Centre, 1053 Great Western Road, Glasgow G12 0YN, UK. ; Department of Pathology, Southern General Hospital, Greater Glasgow &Clyde NHS, Glasgow G51 4TF, UK. ; GGC Bio-repository, Pathology Department, Southern General Hospital, 1345 Govan Road, Glasgow G51 4TY, UK. ; Department of Surgery, TU Dresden, Fetscherstr. 74, 01307 Dresden, Germany. ; Departments of Pathology and Translational Molecular Pathology, UT MD Anderson Cancer Center, Houston Texas 77030, USA. ; The David M. Rubenstein Pancreatic Cancer Research Center and Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA. ; Department of Pathology, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; Department of Surgery, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; ARC-Net Applied Research on Cancer Centre, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy. ; Department of Surgery, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Medical Oncology, Comprehensive Cancer Centre, University and Hospital Trust of Verona, Verona 37134, Italy. ; Mayo Clinic, Rochester, Minnesota 55905, USA. ; Elkins Pancreas Center, Baylor College of Medicine, One Baylor Plaza, MS226, Houston, Texas 77030-3411, USA. ; Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK. ; Institute for Cancer Science, University of Glasgow, Glasgow G12 8QQ, UK. ; University of Melbourne, Parkville, Victoria 3010, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26909576" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics ; Carcinoma, Pancreatic ; Ductal/classification/genetics/immunology/metabolism/pathology ; Cell Line, Tumor ; DNA Methylation ; DNA-Binding Proteins/genetics ; Gene Expression Regulation, Neoplastic ; Gene Regulatory Networks ; Genes, Neoplasm/*genetics ; Genome, Human/*genetics ; *Genomics ; Hepatocyte Nuclear Factor 3-beta/genetics ; Hepatocyte Nuclear Factor 3-gamma/genetics ; Histone Demethylases/genetics ; Homeodomain Proteins/genetics ; Humans ; Mice ; Mutation/*genetics ; Nuclear Proteins/genetics ; Pancreatic Neoplasms/*classification/*genetics/immunology/metabolism/pathology ; Prognosis ; Receptors, Cytoplasmic and Nuclear/genetics ; Survival Analysis ; Trans-Activators/genetics ; Transcription Factors/genetics ; Transcription, Genetic ; Transcriptome ; Tumor Suppressor Protein p53/genetics ; Tumor Suppressor Proteins/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Therapeutic efficacy of the small molecule GS-5734 against Ebola virus in rhesus monkeys (2016)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2016-03-05
    Description: The most recent Ebola virus outbreak in West Africa, which was unprecedented in the number of cases and fatalities, geographic distribution, and number of nations affected, highlights the need for safe, effective, and readily available antiviral agents for treatment and prevention of acute Ebola virus (EBOV) disease (EVD) or sequelae. No antiviral therapeutics have yet received regulatory approval or demonstrated clinical efficacy. Here we report the discovery of a novel small molecule GS-5734, a monophosphoramidate prodrug of an adenosine analogue, with antiviral activity against EBOV. GS-5734 exhibits antiviral activity against multiple variants of EBOV and other filoviruses in cell-based assays. The pharmacologically active nucleoside triphosphate (NTP) is efficiently formed in multiple human cell types incubated with GS-5734 in vitro, and the NTP acts as an alternative substrate and RNA-chain terminator in primer-extension assays using a surrogate respiratory syncytial virus RNA polymerase. Intravenous administration of GS-5734 to nonhuman primates resulted in persistent NTP levels in peripheral blood mononuclear cells (half-life, 14 h) and distribution to sanctuary sites for viral replication including testes, eyes, and brain. In a rhesus monkey model of EVD, once-daily intravenous administration of 10 mg kg(-1) GS-5734 for 12 days resulted in profound suppression of EBOV replication and protected 100% of EBOV-infected animals against lethal disease, ameliorating clinical disease signs and pathophysiological markers, even when treatments were initiated three days after virus exposure when systemic viral RNA was detected in two out of six treated animals. These results show the first substantive post-exposure protection by a small-molecule antiviral compound against EBOV in nonhuman primates. The broad-spectrum antiviral activity of GS-5734 in vitro against other pathogenic RNA viruses, including filoviruses, arenaviruses, and coronaviruses, suggests the potential for wider medical use. GS-5734 is amenable to large-scale manufacturing, and clinical studies investigating the drug safety and pharmacokinetics are ongoing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warren, Travis K -- Jordan, Robert -- Lo, Michael K -- Ray, Adrian S -- Mackman, Richard L -- Soloveva, Veronica -- Siegel, Dustin -- Perron, Michel -- Bannister, Roy -- Hui, Hon C -- Larson, Nate -- Strickley, Robert -- Wells, Jay -- Stuthman, Kelly S -- Van Tongeren, Sean A -- Garza, Nicole L -- Donnelly, Ginger -- Shurtleff, Amy C -- Retterer, Cary J -- Gharaibeh, Dima -- Zamani, Rouzbeh -- Kenny, Tara -- Eaton, Brett P -- Grimes, Elizabeth -- Welch, Lisa S -- Gomba, Laura -- Wilhelmsen, Catherine L -- Nichols, Donald K -- Nuss, Jonathan E -- Nagle, Elyse R -- Kugelman, Jeffrey R -- Palacios, Gustavo -- Doerffler, Edward -- Neville, Sean -- Carra, Ernest -- Clarke, Michael O -- Zhang, Lijun -- Lew, Willard -- Ross, Bruce -- Wang, Queenie -- Chun, Kwon -- Wolfe, Lydia -- Babusis, Darius -- Park, Yeojin -- Stray, Kirsten M -- Trancheva, Iva -- Feng, Joy Y -- Barauskas, Ona -- Xu, Yili -- Wong, Pamela -- Braun, Molly R -- Flint, Mike -- McMullan, Laura K -- Chen, Shan-Shan -- Fearns, Rachel -- Swaminathan, Swami -- Mayers, Douglas L -- Spiropoulou, Christina F -- Lee, William A -- Nichol, Stuart T -- Cihlar, Tomas -- Bavari, Sina -- R01 AI113321/AI/NIAID NIH HHS/ -- R01AI113321/AI/NIAID NIH HHS/ -- England -- Nature. 2016 Mar 17;531(7594):381-5. doi: 10.1038/nature17180. Epub 2016 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland 21702, USA. ; United States Army Medical Research Institute of Infectious Diseases, Therapeutic Development Center, Frederick, Maryland 21702, USA. ; Gilead Sciences, Foster City, California 94404, USA. ; Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. ; Boston University School of Medicine, Boston, Massachusetts 02118, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934220" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine/*analogs & derivatives/pharmacokinetics/pharmacology/therapeutic use ; Amino Acid Sequence ; Animals ; Antiviral Agents/pharmacokinetics/pharmacology/*therapeutic use ; Cell Line, Tumor ; Ebolavirus/drug effects ; Female ; HeLa Cells ; Hemorrhagic Fever, Ebola/*drug therapy/prevention & control ; Humans ; Macaca mulatta/*virology ; Male ; Molecular Sequence Data ; Organ Specificity ; Prodrugs/pharmacokinetics/pharmacology/therapeutic use ; Ribonucleotides/pharmacokinetics/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
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    Real-time, portable genome sequencing for Ebola surveillance (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-02-04
    Description: The Ebola virus disease epidemic in West Africa is the largest on record, responsible for over 28,599 cases and more than 11,299 deaths. Genome sequencing in viral outbreaks is desirable to characterize the infectious agent and determine its evolutionary rate. Genome sequencing also allows the identification of signatures of host adaptation, identification and monitoring of diagnostic targets, and characterization of responses to vaccines and treatments. The Ebola virus (EBOV) genome substitution rate in the Makona strain has been estimated at between 0.87 x 10(-3) and 1.42 x 10(-3) mutations per site per year. This is equivalent to 16-27 mutations in each genome, meaning that sequences diverge rapidly enough to identify distinct sub-lineages during a prolonged epidemic. Genome sequencing provides a high-resolution view of pathogen evolution and is increasingly sought after for outbreak surveillance. Sequence data may be used to guide control measures, but only if the results are generated quickly enough to inform interventions. Genomic surveillance during the epidemic has been sporadic owing to a lack of local sequencing capacity coupled with practical difficulties transporting samples to remote sequencing facilities. To address this problem, here we devise a genomic surveillance system that utilizes a novel nanopore DNA sequencing instrument. In April 2015 this system was transported in standard airline luggage to Guinea and used for real-time genomic surveillance of the ongoing epidemic. We present sequence data and analysis of 142 EBOV samples collected during the period March to October 2015. We were able to generate results less than 24 h after receiving an Ebola-positive sample, with the sequencing process taking as little as 15-60 min. We show that real-time genomic surveillance is possible in resource-limited settings and can be established rapidly to monitor outbreaks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Quick, Joshua -- Loman, Nicholas J -- Duraffour, Sophie -- Simpson, Jared T -- Severi, Ettore -- Cowley, Lauren -- Bore, Joseph Akoi -- Koundouno, Raymond -- Dudas, Gytis -- Mikhail, Amy -- Ouedraogo, Nobila -- Afrough, Babak -- Bah, Amadou -- Baum, Jonathan H J -- Becker-Ziaja, Beate -- Boettcher, Jan Peter -- Cabeza-Cabrerizo, Mar -- Camino-Sanchez, Alvaro -- Carter, Lisa L -- Doerrbecker, Juliane -- Enkirch, Theresa -- Garcia-Dorival, Isabel -- Hetzelt, Nicole -- Hinzmann, Julia -- Holm, Tobias -- Kafetzopoulou, Liana Eleni -- Koropogui, Michel -- Kosgey, Abigael -- Kuisma, Eeva -- Logue, Christopher H -- Mazzarelli, Antonio -- Meisel, Sarah -- Mertens, Marc -- Michel, Janine -- Ngabo, Didier -- Nitzsche, Katja -- Pallasch, Elisa -- Patrono, Livia Victoria -- Portmann, Jasmine -- Repits, Johanna Gabriella -- Rickett, Natasha Y -- Sachse, Andreas -- Singethan, Katrin -- Vitoriano, Ines -- Yemanaberhan, Rahel L -- Zekeng, Elsa G -- Racine, Trina -- Bello, Alexander -- Sall, Amadou Alpha -- Faye, Ousmane -- Faye, Oumar -- Magassouba, N'Faly -- Williams, Cecelia V -- Amburgey, Victoria -- Winona, Linda -- Davis, Emily -- Gerlach, Jon -- Washington, Frank -- Monteil, Vanessa -- Jourdain, Marine -- Bererd, Marion -- Camara, Alimou -- Somlare, Hermann -- Camara, Abdoulaye -- Gerard, Marianne -- Bado, Guillaume -- Baillet, Bernard -- Delaune, Deborah -- Nebie, Koumpingnin Yacouba -- Diarra, Abdoulaye -- Savane, Yacouba -- Pallawo, Raymond Bernard -- Gutierrez, Giovanna Jaramillo -- Milhano, Natacha -- Roger, Isabelle -- Williams, Christopher J -- Yattara, Facinet -- Lewandowski, Kuiama -- Taylor, James -- Rachwal, Phillip -- Turner, Daniel J -- Pollakis, Georgios -- Hiscox, Julian A -- Matthews, David A -- O'Shea, Matthew K -- Johnston, Andrew McD -- Wilson, Duncan -- Hutley, Emma -- Smit, Erasmus -- Di Caro, Antonino -- Wolfel, Roman -- Stoecker, Kilian -- Fleischmann, Erna -- Gabriel, Martin -- Weller, Simon A -- Koivogui, Lamine -- Diallo, Boubacar -- Keita, Sakoba -- Rambaut, Andrew -- Formenty, Pierre -- Gunther, Stephan -- Carroll, Miles W -- Medical Research Council/United Kingdom -- England -- Nature. 2016 Feb 11;530(7589):228-32. doi: 10.1038/nature16996. Epub 2016 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Microbiology and Infection, University of Birmingham, Birmingham B15 2TT, UK. ; The European Mobile Laboratory Consortium, Bernhard-Nocht-Institute for Tropical Medicine, D-20359 Hamburg, Germany. ; Bernhard-Nocht-Institute for Tropical Medicine, D-20359 Hamburg, Germany. ; Ontario Institute for Cancer Research, Toronto M5G 0A3, Canada. ; Department of Computer Science, University of Toronto, Toronto M5S 3G4, Canada. ; European Centre for Disease Prevention and Control (ECDC), 171 65 Solna, Sweden. ; National Infection Service, Public Health England, London NW9 5EQ, UK. ; Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 2FL, UK. ; Postgraduate Training for Applied Epidemiology (PAE, German FETP), Robert Koch Institute, D-13302 Berlin, Germany. ; National Infection Service, Public Health England, Porton Down, Wiltshire SP4 0JG, UK. ; Swiss Tropical and Public Health Institute, 4002 Basel, Switzerland. ; Robert Koch Institute, D-13302 Berlin, Germany. ; University College London, London WC1E 6BT, UK. ; Paul-Ehrlich-Institut, Division of Veterinary Medicine, D-63225 Langen, Germany. ; Institute of Infection and Global Health, University of Liverpool, Liverpool L69 7BE, UK. ; Laboratory for Clinical and Epidemiological Virology, Department of Microbiology and Immunology, KU Leuven, Leuven B-3000, Belgium. ; Ministry of Health Guinea, Conakry BP 585, Guinea. ; Kenya Medical Research Institute, Nairobi P.O. BOX 54840 - 00200, Kenya. ; National Institute for Infectious Diseases L. Spallanzani, 00149 Rome, Italy. ; Friedrich-Loeffler-Institute, D-17493 Greifswald, Germany. ; Federal Office for Civil Protection, Spiez Laboratory, 3700 Spiez, Switzerland. ; Janssen-Cilag, Stockholm, Box 7073 - 19207, Sweden. ; NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, University of Liverpool, Liverpool L69 7BE, UK. ; Institute of Virology, Technische Universitat Munchen, D-81675 Munich, Germany. ; Public Health Agency of Canada, Winnipeg, Manitoba R3E 3R2, Canada. ; Institut Pasteur Dakar, Dakar, DP 220 Senegal. ; Laboratoire de Fievres Hemorragiques de Guinee, Conakry BP 5680, Guinea. ; Sandia National Laboratories, PO Box 5800 MS1363, Albuquerque, New Mexico 87185-1363, USA. ; Ratoma Ebola Diagnostic Center, Conakry, Guinea. ; MRIGlobal, Kansas City, Missouri 64110-2241, USA. ; Expertise France, Laboratoire K-plan de Forecariah en Guinee, 75006 Paris, France. ; Federation des Laboratoires - HIA Begin, 94163 Saint-Mande cedex, France. ; Laboratoire de Biologie - Centre de Traitement des Soignants, Conakry, Guinea. ; World Health Organization, Conakry BP 817, Guinea. ; London School of Hygiene and Tropical Medicine, London EC1E 7HT, UK. ; Norwegian Institute of Public Health, PO Box 4404 Nydalen, 0403 Oslo, Norway. ; Public Health Wales, Cardiff CF11 9LJ, UK. ; Defence Science and Technology Laboratory (Dstl) Porton Down, Salisbury SP4 0JQ, UK. ; Oxford Nanopore Technologies, Oxford OX4 4GA, UK. ; Department of Cellular and Molecular Medicine, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, UK. ; Academic Department of Military Medicine, Royal Centre for Defence Medicine, Birmingham B15 2TH, UK. ; Centre of Defence Pathology, Royal Centre for Defence Medicine, Birmingham B15 2TH, UK. ; Queen Elizabeth Hospital, Birmingham B12 2TH, UK. ; Bundeswehr Institute of Microbiology, D-80937 Munich, Germany. ; Institut National de Sante Publique, Conakry BP 1147, Guinea. ; Fogarty International Center, National Institutes of Health, Bethesda, MD 20892-2220, USA. ; Centre for Immunology, Infection and Evolution, University of Edinburgh, Edinburgh EH9 2FL, UK. ; University of Southampton, South General Hospital, Southampton SO16 6YD, UK. ; NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, PHE Porton Down, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26840485" target="_blank"〉PubMed〈/a〉
    Keywords: Aircraft ; Disease Outbreaks/statistics & numerical data ; Ebolavirus/classification/*genetics/pathogenicity ; *Epidemiological Monitoring ; Genome, Viral/*genetics ; Guinea/epidemiology ; Hemorrhagic Fever, Ebola/*epidemiology/*virology ; Humans ; Mutagenesis/genetics ; Mutation Rate ; Sequence Analysis, DNA/*instrumentation/*methods ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Unique human immune signature of Ebola virus disease in Guinea (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-05-07
    Description: Despite the magnitude of the Ebola virus disease (EVD) outbreak in West Africa, there is still a fundamental lack of knowledge about the pathophysiology of EVD. In particular, very little is known about human immune responses to Ebola virus. Here we evaluate the physiology of the human T cell immune response in EVD patients at the time of admission to the Ebola Treatment Center in Guinea, and longitudinally until discharge or death. Through the use of multiparametric flow cytometry established by the European Mobile Laboratory in the field, we identify an immune signature that is unique in EVD fatalities. Fatal EVD was characterized by a high percentage of CD4(+) and CD8(+) T cells expressing the inhibitory molecules CTLA-4 and PD-1, which correlated with elevated inflammatory markers and high virus load. Conversely, surviving individuals showed significantly lower expression of CTLA-4 and PD-1 as well as lower inflammation, despite comparable overall T cell activation. Concomitant with virus clearance, survivors mounted a robust Ebola-virus-specific T cell response. Our findings suggest that dysregulation of the T cell response is a key component of EVD pathophysiology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4876960/" 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/PMC4876960/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruibal, Paula -- Oestereich, Lisa -- Ludtke, Anja -- Becker-Ziaja, Beate -- Wozniak, David M -- Kerber, Romy -- Korva, Misa -- Cabeza-Cabrerizo, Mar -- Bore, Joseph A -- Koundouno, Fara Raymond -- Duraffour, Sophie -- Weller, Romy -- Thorenz, Anja -- Cimini, Eleonora -- Viola, Domenico -- Agrati, Chiara -- Repits, Johanna -- Afrough, Babak -- Cowley, Lauren A -- Ngabo, Didier -- Hinzmann, Julia -- Mertens, Marc -- Vitoriano, Ines -- Logue, Christopher H -- Boettcher, Jan Peter -- Pallasch, Elisa -- Sachse, Andreas -- Bah, Amadou -- Nitzsche, Katja -- Kuisma, Eeva -- Michel, Janine -- Holm, Tobias -- Zekeng, Elsa-Gayle -- Garcia-Dorival, Isabel -- Wolfel, Roman -- Stoecker, Kilian -- Fleischmann, Erna -- Strecker, Thomas -- Di Caro, Antonino -- Avsic-Zupanc, Tatjana -- Kurth, Andreas -- Meschi, Silvia -- Mely, Stephane -- Newman, Edmund -- Bocquin, Anne -- Kis, Zoltan -- Kelterbaum, Anne -- Molkenthin, Peter -- Carletti, Fabrizio -- Portmann, Jasmine -- Wolff, Svenja -- Castilletti, Concetta -- Schudt, Gordian -- Fizet, Alexandra -- Ottowell, Lisa J -- Herker, Eva -- Jacobs, Thomas -- Kretschmer, Birte -- Severi, Ettore -- Ouedraogo, Nobila -- Lago, Mar -- Negredo, Anabel -- Franco, Leticia -- Anda, Pedro -- Schmiedel, Stefan -- Kreuels, Benno -- Wichmann, Dominic -- Addo, Marylyn M -- Lohse, Ansgar W -- De Clerck, Hilde -- Nanclares, Carolina -- Jonckheere, Sylvie -- Van Herp, Michel -- Sprecher, Armand -- Xiaojiang, Gao -- Carrington, Mary -- Miranda, Osvaldo -- Castro, Carlos M -- Gabriel, Martin -- Drury, Patrick -- Formenty, Pierre -- Diallo, Boubacar -- Koivogui, Lamine -- Magassouba, N'Faly -- Carroll, Miles W -- Gunther, Stephan -- Munoz-Fontela, Cesar -- HHSN261200800001E/PHS HHS/ -- Z01 BC010791-01/Intramural NIH HHS/ -- Z01 BC010791-02/Intramural NIH HHS/ -- Z01 BC010792-01/Intramural NIH HHS/ -- England -- Nature. 2016 May 5;533(7601):100-4. doi: 10.1038/nature17949.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany. ; Bernhard Nocht Institute for Tropical Medicine, World Health Organization Collaborating Center for Arbovirus and Hemorrhagic Fever Reference and Research, 20359 Hamburg, Germany. ; German Center for Infection Research (DZIF), Partner Sites Hamburg, Munich, and Marburg, Germany. ; European Mobile Laboratory Consortium, Bernhard-Nocht-Institute for Tropical Medicine, D-20359 Hamburg, Germany. ; Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia. ; Institute of Experimental Virology, Twincore, Center for Experimental and Clinical Infection Research, 30625 Hannover, Germany. ; Hannover Medical School, 30625 Hannover, Germany. ; National Institute for Infectious Diseases 'Lazzaro Spallanzani', 00149 Rome, Italy. ; Public Health England, Porton Down, Salisbury SP4 0JG, UK. ; Public Health England, Colindale Ave, London NW9 5EQ, UK. ; Robert Koch Institute, 13353 Berlin, Germany. ; Friedrich Loeffler Institute, 17493 Greifswald-Island of Riems, Germany. ; Swiss Tropical and Public Health Institute, 4051 Basel, Switzerland. ; Institute of Infection and Global Health, University of Liverpool, Liverpool L69 7BE, UK. ; Bundeswehr Institute of Microbiology, 80937 Munich, Germany. ; Institute of Virology, Philipps University, 35043 Marburg, Germany. ; Laboratoire P4-Jean Merieux, US003 INSERM, 69365 Lyon, France. ; National Center for Epidemiology, Hungarian National Biosafety Laboratory, H1097 Budapest, Hungary. ; European Centre for Disease Prevention and Control, 171 65 Solna, Sweden. ; Federal Office for Civil Protection, CH-3700 Spiez, Switzerland. ; Unite de Biologie des Infections Virales Emergentes, Institut Pasteur, 69365 Lyon, France. ; Eurice, European Research and Project Office, 10115 Berlin, Germany. ; Infectious Diseases Unit, Internal Medicine Service, Hospital La Paz, 28046 Madrid, Spain. ; National Center of Microbiology, Institute of Health 'Carlos III', 28220 Madrid, Spain. ; University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany. ; Medecins sans Frontieres, B-1050 Brussels, Belgium. ; Cancer and Inflammation Program, Laboratory of Experimental Immunology, Leidos Biomedical Research, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, USA. ; Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, USA. ; Hospital Militar Central Dr. Carlos J. Finlay, 11400 Havana, Cuba. ; World Health Organization, 1211 Geneva 27, Switzerland. ; Institut National de Sante Publique, 2101 Conakry, Guinea. ; Universite Gamal Abdel Nasser de Conakry, CHU Donka, 2101 Conakry, Guinea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27147028" target="_blank"〉PubMed〈/a〉
    Keywords: CTLA-4 Antigen/metabolism ; Ebolavirus/*immunology ; Female ; Flow Cytometry ; Guinea/epidemiology ; Hemorrhagic Fever, Ebola/*immunology/mortality/*physiopathology ; Humans ; Inflammation Mediators/immunology ; Longitudinal Studies ; Lymphocyte Activation ; Male ; Patient Discharge ; Programmed Cell Death 1 Receptor/metabolism ; Survivors ; T-Lymphocytes/*immunology/metabolism ; Viral Load
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    Daily magnesium fluxes regulate cellular timekeeping and energy balance (2016)
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    Publication Date: 2016-04-14
    Description: Circadian clocks are fundamental to the biology of most eukaryotes, coordinating behaviour and physiology to resonate with the environmental cycle of day and night through complex networks of clock-controlled genes. A fundamental knowledge gap exists, however, between circadian gene expression cycles and the biochemical mechanisms that ultimately facilitate circadian regulation of cell biology. Here we report circadian rhythms in the intracellular concentration of magnesium ions, [Mg(2+)]i, which act as a cell-autonomous timekeeping component to determine key clock properties both in a human cell line and in a unicellular alga that diverged from each other more than 1 billion years ago. Given the essential role of Mg(2+) as a cofactor for ATP, a functional consequence of [Mg(2+)]i oscillations is dynamic regulation of cellular energy expenditure over the daily cycle. Mechanistically, we find that these rhythms provide bilateral feedback linking rhythmic metabolism to clock-controlled gene expression. The global regulation of nucleotide triphosphate turnover by intracellular Mg(2+) availability has potential to impact upon many of the cell's more than 600 MgATP-dependent enzymes and every cellular system where MgNTP hydrolysis becomes rate limiting. Indeed, we find that circadian control of translation by mTOR is regulated through [Mg(2+)]i oscillations. It will now be important to identify which additional biological processes are subject to this form of regulation in tissues of multicellular organisms such as plants and humans, in the context of health and disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feeney, Kevin A -- Hansen, Louise L -- Putker, Marrit -- Olivares-Yanez, Consuelo -- Day, Jason -- Eades, Lorna J -- Larrondo, Luis F -- Hoyle, Nathaniel P -- O'Neill, John S -- van Ooijen, Gerben -- 093734/Z/10/Z/Wellcome Trust/United Kingdom -- MC_UP_1201/4/Medical Research Council/United Kingdom -- England -- Nature. 2016 Apr 21;532(7599):375-9. doi: 10.1038/nature17407. Epub 2016 Apr 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Laboratory for Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. ; School of Biological Sciences, University of Edinburgh, Max Born Crescent, Edinburgh EH9 3BF, UK. ; Millennium Nucleus for Fungal Integrative and Synthetic Biology, Departamento de Genetica Molecular y Microbiologia, Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Casilla 114-D, Santiago, Chile. ; Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK. ; School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27074515" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Animals ; Cell Line ; Chlorophyta/cytology/metabolism ; Circadian Clocks/genetics/*physiology ; Circadian Rhythm/genetics/*physiology ; *Energy Metabolism ; Feedback, Physiological ; Gene Expression Regulation ; Humans ; Intracellular Space/metabolism ; Magnesium/*metabolism ; Male ; Mice ; TOR Serine-Threonine Kinases/metabolism ; Time Factors
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    Potentiating the antitumour response of CD8(+) T cells by modulating cholesterol metabolism (2016)
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    Publication Date: 2016-03-17
    Description: CD8(+) T cells have a central role in antitumour immunity, but their activity is suppressed in the tumour microenvironment. Reactivating the cytotoxicity of CD8(+) T cells is of great clinical interest in cancer immunotherapy. Here we report a new mechanism by which the antitumour response of mouse CD8(+) T cells can be potentiated by modulating cholesterol metabolism. Inhibiting cholesterol esterification in T cells by genetic ablation or pharmacological inhibition of ACAT1, a key cholesterol esterification enzyme, led to potentiated effector function and enhanced proliferation of CD8(+) but not CD4(+) T cells. This is due to the increase in the plasma membrane cholesterol level of CD8(+) T cells, which causes enhanced T-cell receptor clustering and signalling as well as more efficient formation of the immunological synapse. ACAT1-deficient CD8(+) T cells were better than wild-type CD8(+) T cells at controlling melanoma growth and metastasis in mice. We used the ACAT inhibitor avasimibe, which was previously tested in clinical trials for treating atherosclerosis and showed a good human safety profile, to treat melanoma in mice and observed a good antitumour effect. A combined therapy of avasimibe plus an anti-PD-1 antibody showed better efficacy than monotherapies in controlling tumour progression. ACAT1, an established target for atherosclerosis, is therefore also a potential target for cancer immunotherapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851431/" 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/PMC4851431/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Wei -- Bai, Yibing -- Xiong, Ying -- Zhang, Jin -- Chen, Shuokai -- Zheng, Xiaojun -- Meng, Xiangbo -- Li, Lunyi -- Wang, Jing -- Xu, Chenguang -- Yan, Chengsong -- Wang, Lijuan -- Chang, Catharine C Y -- Chang, Ta-Yuan -- Zhang, Ti -- Zhou, Penghui -- Song, Bao-Liang -- Liu, Wanli -- Sun, Shao-cong -- Liu, Xiaolong -- Li, Bo-liang -- Xu, Chenqi -- HL 60306./HL/NHLBI NIH HHS/ -- R01 HL060306/HL/NHLBI NIH HHS/ -- England -- Nature. 2016 Mar 31;531(7596):651-5. doi: 10.1038/nature17412. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Molecular Biology, National Center for Protein Science Shanghai, Shanghai Science Research Center, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; MOE Key Laboratory of Protein Science, School of Life Sciences, Collaborative Innovation Center for Infectious Diseases, Tsinghua University, Beijing 100084, China. ; Department of Biochemistry, Geisel School of Medicine at Dartmouth, Hanover, New Haven 03755, USA. ; Rheumatology and Immunology Department of ChangZheng Hospital, Second Military Medical University, Shanghai 200433, China. ; Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China. ; College of Life Sciences, Wuhan University, Wuhan, Hubei Province 430072, China. ; Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77054, USA. ; State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; School of Life Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982734" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/*pharmacology/therapeutic use ; Acetyl-CoA C-Acetyltransferase/antagonists & ; inhibitors/deficiency/genetics/metabolism ; Animals ; Atherosclerosis/drug therapy ; CD8-Positive T-Lymphocytes/*drug effects/*immunology/metabolism ; Cell Membrane/drug effects/metabolism ; Cholesterol/*metabolism ; Esterification/drug effects ; Female ; Immunological Synapses/drug effects/immunology/metabolism ; Immunotherapy/*methods ; Male ; Melanoma/*drug therapy/*immunology/metabolism/pathology ; Mice ; Programmed Cell Death 1 Receptor/antagonists & inhibitors/immunology ; Receptors, Antigen, T-Cell/immunology/metabolism ; Signal Transduction/drug effects ; Sulfonic Acids/*pharmacology/therapeutic use
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    Active medulloblastoma enhancers reveal subgroup-specific cellular origins (2016)
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    Publication Date: 2016-01-28
    Description: Medulloblastoma is a highly malignant paediatric brain tumour, often inflicting devastating consequences on the developing child. Genomic studies have revealed four distinct molecular subgroups with divergent biology and clinical behaviour. An understanding of the regulatory circuitry governing the transcriptional landscapes of medulloblastoma subgroups, and how this relates to their respective developmental origins, is lacking. Here, using H3K27ac and BRD4 chromatin immunoprecipitation followed by sequencing (ChIP-seq) coupled with tissue-matched DNA methylation and transcriptome data, we describe the active cis-regulatory landscape across 28 primary medulloblastoma specimens. Analysis of differentially regulated enhancers and super-enhancers reinforced inter-subgroup heterogeneity and revealed novel, clinically relevant insights into medulloblastoma biology. Computational reconstruction of core regulatory circuitry identified a master set of transcription factors, validated by ChIP-seq, that is responsible for subgroup divergence, and implicates candidate cells of origin for Group 4. Our integrated analysis of enhancer elements in a large series of primary tumour samples reveals insights into cis-regulatory architecture, unrecognized dependencies, and cellular origins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Charles Y -- Erkek, Serap -- Tong, Yiai -- Yin, Linlin -- Federation, Alexander J -- Zapatka, Marc -- Haldipur, Parthiv -- Kawauchi, Daisuke -- Risch, Thomas -- Warnatz, Hans-Jorg -- Worst, Barbara C -- Ju, Bensheng -- Orr, Brent A -- Zeid, Rhamy -- Polaski, Donald R -- Segura-Wang, Maia -- Waszak, Sebastian M -- Jones, David T W -- Kool, Marcel -- Hovestadt, Volker -- Buchhalter, Ivo -- Sieber, Laura -- Johann, Pascal -- Chavez, Lukas -- Groschel, Stefan -- Ryzhova, Marina -- Korshunov, Andrey -- Chen, Wenbiao -- Chizhikov, Victor V -- Millen, Kathleen J -- Amstislavskiy, Vyacheslav -- Lehrach, Hans -- Yaspo, Marie-Laure -- Eils, Roland -- Lichter, Peter -- Korbel, Jan O -- Pfister, Stefan M -- Bradner, James E -- Northcott, Paul A -- England -- Nature. 2016 Feb 4;530(7588):57-62. doi: 10.1038/nature16546. Epub 2016 Jan 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Oncology, Dana Farber Cancer Institute (DFCI), Boston, Massachusetts 02215, USA. ; Genome Biology Unit, European Molecular Biology Laboratory (EMBL), 69117 Heidelberg, Germany. ; Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. ; Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Molecular Physiology &Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee 37212, USA. ; Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. ; Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington 98105, USA. ; Department of Vertebrate Genomics, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany. ; Department of Bone Marrow Transplantation &Cellular Therapy, St Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; Department of Pathology, St Jude Children's Research Hospital, Memphis, Tennessee 38105, USA. ; German Cancer Consortium (DKTK), 69120 Heidelberg, Germany. ; Division of Theoretical Bioinformatics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. ; Department of Translational Oncology, NCT Heidelberg, 69120 Heidelberg, Germany. ; Department of Neuropathology, NN Burdenko Neurosurgical Institute, 125047 Moscow, Russia. ; Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), and Department of Neuropathology University Hospital, 69120 Heidelberg, Germany. ; Department of Anatomy and Neurobiology, University of Tennessee Health Sciences Center, Memphis, Tennessee 38163, USA. ; Department of Pediatrics, Genetics Division, University of Washington, Seattle, Washington 98195, USA. ; Institute of Pharmacy and Molecular Biotechnology and BioQuant, University of Heidelberg, 69117 Heidelberg, Germany. ; Department of Pediatrics, University of Heidelberg, 69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26814967" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebellar Neoplasms/classification/*genetics/*pathology ; Enhancer Elements, Genetic/*genetics ; Female ; Gene Expression Regulation, Neoplastic/*genetics ; Gene Regulatory Networks/genetics ; Genes, Neoplasm/genetics ; Genes, Reporter/genetics ; Humans ; Male ; Medulloblastoma/*classification/genetics/*pathology ; Mice ; Reproducibility of Results ; Transcription Factors/*metabolism ; Zebrafish/genetics
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    Dual RNA-seq unveils noncoding RNA functions in host-pathogen interactions (2016)
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    Publication Date: 2016-01-21
    Description: Bacteria express many small RNAs for which the regulatory roles in pathogenesis have remained poorly understood due to a paucity of robust phenotypes in standard virulence assays. Here we use a generic 'dual RNA-seq' approach to profile RNA expression simultaneously in pathogen and host during Salmonella enterica serovar Typhimurium infection and reveal the molecular impact of bacterial riboregulators. We identify a PhoP-activated small RNA, PinT, which upon bacterial internalization temporally controls the expression of both invasion-associated effectors and virulence genes required for intracellular survival. This riboregulatory activity causes pervasive changes in coding and noncoding transcripts of the host. Interspecies correlation analysis links PinT to host cell JAK-STAT signalling, and we identify infection-specific alterations in multiple long noncoding RNAs. Our study provides a paradigm for a sensitive RNA-based analysis of intracellular bacterial pathogens and their hosts without physical separation, as well as a new discovery route for hidden functions of pathogen genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Westermann, Alexander J -- Forstner, Konrad U -- Amman, Fabian -- Barquist, Lars -- Chao, Yanjie -- Schulte, Leon N -- Muller, Lydia -- Reinhardt, Richard -- Stadler, Peter F -- Vogel, Jorg -- England -- Nature. 2016 Jan 28;529(7587):496-501. doi: 10.1038/nature16547. Epub 2016 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Wurzburg, RNA Biology Group, Institute for Molecular Infection Biology, Josef-Schneider-Strasse 2/D15, D-97080 Wurzburg, Germany. ; University of Wurzburg, Core Unit Systems Medicine, Josef-Schneider-Strasse 2/D15, D-97080 Wurzburg, Germany. ; University of Leipzig, Department of Computer Science and Interdisciplinary Center for Bioinformatics, Hartelstrasse 16-18, D-04107 Leipzig, Germany. ; University of Vienna, Theoretical Biochemistry Group, Institute for Theoretical Chemistry, Wahringer Strasse 17, A-1090 Vienna, Austria. ; Max Planck Genome Centre Cologne, Max Planck Institute for Plant Breeding Research, Carl-von-Linne-Weg 10, D-50829 Cologne, Germany. ; Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, D-04103 Leipzig, Germany. ; Santa Fe Institute, 1399 Hyde Park Rd, Santa Fe, New Mexico 87501, USA. ; Research Centre for Infectious Diseases (ZINF), University of Wurzburg, D-97070 Wurzburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26789254" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/metabolism ; Female ; Gene Expression Regulation/*genetics ; Genes, Bacterial/genetics ; HeLa Cells ; Host-Pathogen Interactions/*genetics ; Humans ; Janus Kinases/metabolism ; Mice ; Microbial Viability/genetics ; RNA, Bacterial/*genetics/metabolism ; RNA, Messenger/genetics/metabolism ; RNA, Untranslated/*genetics/metabolism ; STAT Transcription Factors/metabolism ; Salmonella typhimurium/cytology/*genetics/pathogenicity ; Signal Transduction/genetics ; Transcriptome/genetics ; Virulence/genetics
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    Lens regeneration using endogenous stem cells with gain of visual function (2016)
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    Publication Date: 2016-03-10
    Description: The repair and regeneration of tissues using endogenous stem cells represents an ultimate goal in regenerative medicine. To our knowledge, human lens regeneration has not yet been demonstrated. Currently, the only treatment for cataracts, the leading cause of blindness worldwide, is to extract the cataractous lens and implant an artificial intraocular lens. However, this procedure poses notable risks of complications. Here we isolate lens epithelial stem/progenitor cells (LECs) in mammals and show that Pax6 and Bmi1 are required for LEC renewal. We design a surgical method of cataract removal that preserves endogenous LECs and achieves functional lens regeneration in rabbits and macaques, as well as in human infants with cataracts. Our method differs conceptually from current practice, as it preserves endogenous LECs and their natural environment maximally, and regenerates lenses with visual function. Our approach demonstrates a novel treatment strategy for cataracts and provides a new paradigm for tissue regeneration using endogenous stem cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Haotian -- Ouyang, Hong -- Zhu, Jie -- Huang, Shan -- Liu, Zhenzhen -- Chen, Shuyi -- Cao, Guiqun -- Li, Gen -- Signer, Robert A J -- Xu, Yanxin -- Chung, Christopher -- Zhang, Ying -- Lin, Danni -- Patel, Sherrina -- Wu, Frances -- Cai, Huimin -- Hou, Jiayi -- Wen, Cindy -- Jafari, Maryam -- Liu, Xialin -- Luo, Lixia -- Zhu, Jin -- Qiu, Austin -- Hou, Rui -- Chen, Baoxin -- Chen, Jiangna -- Granet, David -- Heichel, Christopher -- Shang, Fu -- Li, Xuri -- Krawczyk, Michal -- Skowronska-Krawczyk, Dorota -- Wang, Yujuan -- Shi, William -- Chen, Daniel -- Zhong, Zheng -- Zhong, Sheng -- Zhang, Liangfang -- Chen, Shaochen -- Morrison, Sean J -- Maas, Richard L -- Zhang, Kang -- Liu, Yizhi -- R37 AG024945/AG/NIA NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 17;531(7594):323-8. doi: 10.1038/nature17181. Epub 2016 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China. ; Shiley Eye Institute, Institute for Engineering in Medicine, Institute for Genomic Medicine, University of California, San Diego, La Jolla, California 92093, USA. ; Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Sichuan 610041, China. ; Guangzhou KangRui Biological Pharmaceutical Technology Company, Guangzhou 510005, China. ; Howard Hughes Medical Institute, Children's Research Institute, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA. ; Department of Ophthalmology, West China Hospital, Sichuan University, Sichuan 610041, China. ; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA. ; Clinical and Translational Research Institute, University of California, San Diego, La Jolla, California 92093, USA. ; Veterans Administration Healthcare System, San Diego, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26958831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cataract/congenital/pathology/physiopathology/*therapy ; Cataract Extraction ; Epithelial Cells/cytology/metabolism ; Eye Proteins/metabolism ; Homeodomain Proteins/metabolism ; Homeostasis ; Humans ; Lens, Crystalline/*cytology/*physiology ; Macaca ; Paired Box Transcription Factors/metabolism ; Polycomb Repressive Complex 1/metabolism ; Proto-Oncogene Proteins/metabolism ; *Recovery of Function ; Regeneration/*physiology ; Repressor Proteins/metabolism ; Stem Cells/*cytology/metabolism ; Vision, Ocular/*physiology
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    Lytic to temperate switching of viral communities (2016)
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    Publication Date: 2016-03-17
    Description: Microbial viruses can control host abundances via density-dependent lytic predator-prey dynamics. Less clear is how temperate viruses, which coexist and replicate with their host, influence microbial communities. Here we show that virus-like particles are relatively less abundant at high host densities. This suggests suppressed lysis where established models predict lytic dynamics are favoured. Meta-analysis of published viral and microbial densities showed that this trend was widespread in diverse ecosystems ranging from soil to freshwater to human lungs. Experimental manipulations showed viral densities more consistent with temperate than lytic life cycles at increasing microbial abundance. An analysis of 24 coral reef viromes showed a relative increase in the abundance of hallmark genes encoded by temperate viruses with increased microbial abundance. Based on these four lines of evidence, we propose the Piggyback-the-Winner model wherein temperate dynamics become increasingly important in ecosystems with high microbial densities; thus 'more microbes, fewer viruses'.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knowles, B -- Silveira, C B -- Bailey, B A -- Barott, K -- Cantu, V A -- Cobian-Guemes, A G -- Coutinho, F H -- Dinsdale, E A -- Felts, B -- Furby, K A -- George, E E -- Green, K T -- Gregoracci, G B -- Haas, A F -- Haggerty, J M -- Hester, E R -- Hisakawa, N -- Kelly, L W -- Lim, Y W -- Little, M -- Luque, A -- McDole-Somera, T -- McNair, K -- de Oliveira, L S -- Quistad, S D -- Robinett, N L -- Sala, E -- Salamon, P -- Sanchez, S E -- Sandin, S -- Silva, G G Z -- Smith, J -- Sullivan, C -- Thompson, C -- Vermeij, M J A -- Youle, M -- Young, C -- Zgliczynski, B -- Brainard, R -- Edwards, R A -- Nulton, J -- Thompson, F -- Rohwer, F -- England -- Nature. 2016 Mar 24;531(7595):466-70. doi: 10.1038/nature17193. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Biology Institute, Rio de Janeiro Federal University, Av. Carlos Chagas Filho 373, Rio de Janeiro, Rio de Janeiro 21941-599, Brazil. ; Department of Mathematics and Statistics, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Hawaii Institute of Marine Biology, University of Hawaii at Manoa, 46-007 Lilipuna Road, Kaneohe, Hawaii 96744, USA. ; Computational Science Research Center, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Rainbow Rock, Ocean View, Hawaii 96737, USA. ; Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, Centre for Molecular and Biomolecular Informatics, 6525HP Nijmegen, The Netherlands. ; Viral Information Institute, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Scripps Institution of Oceanography, 8622 Kennel Way, La Jolla, California 92037, USA. ; Department of Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA. ; Marine Sciences Department, Sao Paulo Federal University - Baixada Santista, Av. Alm. Saldanha da Gama, 89, Santos, Sao Paulo 11030-400, Brazil. ; National Geographic Society, 1145 17th St NW, Washington D.C. 20036, USA. ; CARMABI Foundation, Piscaderabaai z/n, Willemstad, Curacao, Netherlands Antilles. ; Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1098XH Amsterdam, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/physiology/*virology ; Bacteriophages/pathogenicity/physiology ; Coral Reefs ; *Ecosystem ; Genes, Viral/genetics ; *Host-Pathogen Interactions ; Lysogeny ; Models, Biological ; Virulence/genetics ; Viruses/genetics/isolation & purification/*pathogenicity
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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