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  • 1
    Publication Date: 2016-02-26
    Description: Many modern human genomes retain DNA inherited from interbreeding with archaic hominins, such as Neandertals, yet the influence of this admixture on human traits is largely unknown. We analyzed the contribution of common Neandertal variants to over 1000 electronic health record (EHR)-derived phenotypes in ~28,000 adults of European ancestry. We discovered and replicated associations of Neandertal alleles with neurological, psychiatric, immunological, and dermatological phenotypes. Neandertal alleles together explained a significant fraction of the variation in risk for depression and skin lesions resulting from sun exposure (actinic keratosis), and individual Neandertal alleles were significantly associated with specific human phenotypes, including hypercoagulation and tobacco use. Our results establish that archaic admixture influences disease risk in modern humans, provide hypotheses about the effects of hundreds of Neandertal haplotypes, and demonstrate the utility of EHR data in evolutionary analyses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simonti, Corinne N -- Vernot, Benjamin -- Bastarache, Lisa -- Bottinger, Erwin -- Carrell, David S -- Chisholm, Rex L -- Crosslin, David R -- Hebbring, Scott J -- Jarvik, Gail P -- Kullo, Iftikhar J -- Li, Rongling -- Pathak, Jyotishman -- Ritchie, Marylyn D -- Roden, Dan M -- Verma, Shefali S -- Tromp, Gerard -- Prato, Jeffrey D -- Bush, William S -- Akey, Joshua M -- Denny, Joshua C -- Capra, John A -- 1K22LM011938/LM/NLM NIH HHS/ -- 1R01GM114128/GM/NIGMS NIH HHS/ -- 5T32EY021453/EY/NEI NIH HHS/ -- R01GM110068/GM/NIGMS NIH HHS/ -- R01LM010685/LM/NLM NIH HHS/ -- U01HG004438/HG/NHGRI NIH HHS/ -- U01HG004608/HG/NHGRI NIH HHS/ -- U01HG004609/HG/NHGRI NIH HHS/ -- U01HG004610/HG/NHGRI NIH HHS/ -- U01HG006378/HG/NHGRI NIH HHS/ -- U01HG006379/HG/NHGRI NIH HHS/ -- U01HG006380/HG/NHGRI NIH HHS/ -- U01HG006382/HG/NHGRI NIH HHS/ -- U01HG006385/HG/NHGRI NIH HHS/ -- U01HG006388/HG/NHGRI NIH HHS/ -- U01HG006389/HG/NHGRI NIH HHS/ -- U01HG008657/HG/NHGRI NIH HHS/ -- U01HG04599/HG/NHGRI NIH HHS/ -- U01HG04603/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):737-41. doi: 10.1126/science.aad2149.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. ; Department of Genome Sciences, University of Washington, Seattle, WA, USA. ; Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. ; Mount Sinai School of Medicine, New York, NY, USA. ; Department of Medicine (Medical Genetics), University of Washington Medical Center, Seattle, WA, USA. ; Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. ; Department of Genome Sciences, University of Washington, Seattle, WA, USA. Department of Medicine (Medical Genetics), University of Washington Medical Center, Seattle, WA, USA. ; Center for Human Genetics, Marshfield Clinic, Marshfield, WI, USA. ; Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA. ; Division of Genomic Medicine, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA. ; Division of Health Sciences Research, Mayo Clinic, Rochester, MN, USA. ; Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA. Biomedical and Translational Informatics, Geisinger Health System, Danville, PA, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Medicine, Vanderbilt University, Nashville, TN, USA. Department of Pharmacology, Vanderbilt University, Nashville, TN, USA. ; Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA. ; Weis Center for Research, Geisinger Health System, Danville, PA, USA. Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Health Science, Stellenbosch University, Tygerberg, South Africa. ; Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Medicine, Vanderbilt University, Nashville, TN, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA. Center for Quantitative Sciences, Vanderbilt University, Nashville, TN, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912863" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Depression/genetics ; Disease/*genetics ; European Continental Ancestry Group/genetics ; Evolution, Molecular ; Genetic Variation ; Genome, Human ; Haplotypes ; Humans ; Keratosis, Actinic/genetics ; Neanderthals/*genetics ; Phenotype
    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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  • 2
    Publication Date: 2016-03-05
    Description: Little is known about how pro-obesity diets regulate tissue stem and progenitor cell function. Here we show that high-fat diet (HFD)-induced obesity augments the numbers and function of Lgr5(+) intestinal stem cells of the mammalian intestine. Mechanistically, a HFD induces a robust peroxisome proliferator-activated receptor delta (PPAR-delta) signature in intestinal stem cells and progenitor cells (non-intestinal stem cells), and pharmacological activation of PPAR-delta recapitulates the effects of a HFD on these cells. Like a HFD, ex vivo treatment of intestinal organoid cultures with fatty acid constituents of the HFD enhances the self-renewal potential of these organoid bodies in a PPAR-delta-dependent manner. Notably, HFD- and agonist-activated PPAR-delta signalling endow organoid-initiating capacity to progenitors, and enforced PPAR-delta signalling permits these progenitors to form in vivo tumours after loss of the tumour suppressor Apc. These findings highlight how diet-modulated PPAR-delta activation alters not only the function of intestinal stem and progenitor cells, but also their capacity to initiate tumours.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4846772/" 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/PMC4846772/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beyaz, Semir -- Mana, Miyeko D -- Roper, Jatin -- Kedrin, Dmitriy -- Saadatpour, Assieh -- Hong, Sue-Jean -- Bauer-Rowe, Khristian E -- Xifaras, Michael E -- Akkad, Adam -- Arias, Erika -- Pinello, Luca -- Katz, Yarden -- Shinagare, Shweta -- Abu-Remaileh, Monther -- Mihaylova, Maria M -- Lamming, Dudley W -- Dogum, Rizkullah -- Guo, Guoji -- Bell, George W -- Selig, Martin -- Nielsen, G Petur -- Gupta, Nitin -- Ferrone, Cristina R -- Deshpande, Vikram -- Yuan, Guo-Cheng -- Orkin, Stuart H -- Sabatini, David M -- Yilmaz, Omer H -- AI47389/AI/NIAID NIH HHS/ -- DK043351/DK/NIDDK NIH HHS/ -- K08 CA198002/CA/NCI NIH HHS/ -- K99 AG041765/AG/NIA NIH HHS/ -- K99 AG045144/AG/NIA NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- P30-CA14051/CA/NCI NIH HHS/ -- R00 AG041765/AG/NIA NIH HHS/ -- R00 AG045144/AG/NIA NIH HHS/ -- R01 AI047389/AI/NIAID NIH HHS/ -- R01 CA103866/CA/NCI NIH HHS/ -- R01 CA129105/CA/NCI NIH HHS/ -- R37 AI047389/AI/NIAID NIH HHS/ -- T32DK007191/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 3;531(7592):53-8. doi: 10.1038/nature17173.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The David H. Koch Institute for Integrative Cancer Research at MIT, Department of Biology, MIT, Cambridge, Massachusetts 02139, USA. ; Division of Hematology/Oncology, Boston Children's Hospital and Department of Pediatric Oncology, Dana-Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Division of Gastroenterology and Molecular Oncology Research Institute, Tufts Medical Center, Boston, Massachusetts 02111, USA. ; Departments of Pathology, Gastroenterology, and Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA. ; Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute and Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, USA. ; Whitehead Institute for Biomedical Research, Howard Hughes Medical Institute, Department of Biology, MIT, Cambridge, Massachusetts 02142, USA. ; Broad Institute of Harvard and MIT, Cambridge, Massachusetts 02142, USA. ; Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53705, USA. ; Division of Digestive Diseases, University of Mississippi Medical Center, Jackson, Missisippi 39216, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26935695" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Count ; Cell Self Renewal/drug effects ; Cell Transformation, Neoplastic/*drug effects ; Colonic Neoplasms/*pathology ; Diet, High-Fat/*adverse effects ; Female ; Genes, APC ; Humans ; Intestines/*pathology ; Male ; Mice ; Obesity/chemically induced/pathology ; Organoids/drug effects/metabolism/pathology ; PPAR delta/metabolism ; Signal Transduction/drug effects ; Stem Cell Niche/drug effects ; Stem Cells/*drug effects/metabolism/*pathology ; beta Catenin/metabolism
    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: 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
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  • 4
    Publication Date: 2015-01-13
    Description: The phylogeny of Silurian and Devonian (443-358 million years (Myr) ago) fishes remains the foremost problem in the study of the origin of modern gnathostomes (jawed vertebrates). A central question concerns the morphology of the last common ancestor of living jawed vertebrates, with competing hypotheses advancing either a chondrichthyan- or osteichthyan-like model. Here we present Janusiscus schultzei gen. et sp. nov., an Early Devonian (approximately 415 Myr ago) gnathostome from Siberia previously interpreted as a ray-finned fish, which provides important new information about cranial anatomy near the last common ancestor of chondrichthyans and osteichthyans. The skull roof of Janusiscus resembles that of early osteichthyans, with large plates bearing vermiform ridges and partially enclosed sensory canals. High-resolution computed tomography (CT) reveals a braincase bearing characters typically associated with either chondrichthyans (large hypophyseal opening accommodating the internal carotid arteries) or osteichthyans (facial nerve exiting through jugular canal, endolymphatic ducts exiting posterior to the skull roof) but lacking a ventral cranial fissure, the presence of which is considered a derived feature of crown gnathostomes. A conjunction of well-developed cranial processes in Janusiscus helps unify the comparative anatomy of early jawed vertebrate neurocrania, clarifying primary homologies in 'placoderms', osteichthyans and chondrichthyans. Phylogenetic analysis further supports the chondrichthyan affinities of 'acanthodians', and places Janusiscus and the enigmatic Ramirosuarezia in a polytomy with crown gnathostomes. The close correspondence between the skull roof of Janusiscus and that of osteichthyans suggests that an extensive dermal skeleton was present in the last common ancestor of jawed vertebrates, but ambiguities arise from uncertainties in the anatomy of Ramirosuarezia. The unexpected contrast between endoskeletal structure in Janusiscus and its superficially osteichthyan-like dermal skeleton highlights the potential importance of other incompletely known Siluro-Devonian 'bony fishes' for reconstructing patterns of trait evolution near the origin of modern gnathostomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giles, Sam -- Friedman, Matt -- Brazeau, Martin D -- England -- Nature. 2015 Apr 2;520(7545):82-5. doi: 10.1038/nature14065. Epub 2015 Jan 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX1 3AN, UK. ; 1] Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, the Netherlands [2] Department of Life Sciences, Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot SL5 7PY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25581798" target="_blank"〉PubMed〈/a〉
    Keywords: Anatomy, Comparative ; Animals ; Fishes/*anatomy & histology/*classification ; *Fossils ; *Phylogeny ; Siberia ; Skull/*anatomy & histology ; X-Ray Microtomography
    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: 2015-03-11
    Description: Immune checkpoint inhibitors result in impressive clinical responses, but optimal results will require combination with each other and other therapies. This raises fundamental questions about mechanisms of non-redundancy and resistance. Here we report major tumour regressions in a subset of patients with metastatic melanoma treated with an anti-CTLA4 antibody (anti-CTLA4) and radiation, and reproduced this effect in mouse models. Although combined treatment improved responses in irradiated and unirradiated tumours, resistance was common. Unbiased analyses of mice revealed that resistance was due to upregulation of PD-L1 on melanoma cells and associated with T-cell exhaustion. Accordingly, optimal response in melanoma and other cancer types requires radiation, anti-CTLA4 and anti-PD-L1/PD-1. Anti-CTLA4 predominantly inhibits T-regulatory cells (Treg cells), thereby increasing the CD8 T-cell to Treg (CD8/Treg) ratio. Radiation enhances the diversity of the T-cell receptor (TCR) repertoire of intratumoral T cells. Together, anti-CTLA4 promotes expansion of T cells, while radiation shapes the TCR repertoire of the expanded peripheral clones. Addition of PD-L1 blockade reverses T-cell exhaustion to mitigate depression in the CD8/Treg ratio and further encourages oligoclonal T-cell expansion. Similarly to results from mice, patients on our clinical trial with melanoma showing high PD-L1 did not respond to radiation plus anti-CTLA4, demonstrated persistent T-cell exhaustion, and rapidly progressed. Thus, PD-L1 on melanoma cells allows tumours to escape anti-CTLA4-based therapy, and the combination of radiation, anti-CTLA4 and anti-PD-L1 promotes response and immunity through distinct mechanisms.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4401634/" 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/PMC4401634/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Twyman-Saint Victor, Christina -- Rech, Andrew J -- Maity, Amit -- Rengan, Ramesh -- Pauken, Kristen E -- Stelekati, Erietta -- Benci, Joseph L -- Xu, Bihui -- Dada, Hannah -- Odorizzi, Pamela M -- Herati, Ramin S -- Mansfield, Kathleen D -- Patsch, Dana -- Amaravadi, Ravi K -- Schuchter, Lynn M -- Ishwaran, Hemant -- Mick, Rosemarie -- Pryma, Daniel A -- Xu, Xiaowei -- Feldman, Michael D -- Gangadhar, Tara C -- Hahn, Stephen M -- Wherry, E John -- Vonderheide, Robert H -- Minn, Andy J -- KL2TR000139/TR/NCATS NIH HHS/ -- P01AI112521/AI/NIAID NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- P30CA016520/CA/NCI NIH HHS/ -- P50 CA174523/CA/NCI NIH HHS/ -- P50CA174523/CA/NCI NIH HHS/ -- R01 AI105343/AI/NIAID NIH HHS/ -- R01 CA158186/CA/NCI NIH HHS/ -- R01 CA163739/CA/NCI NIH HHS/ -- R01AI105343/AI/NIAID NIH HHS/ -- R01CA158186/CA/NCI NIH HHS/ -- R01CA163739/CA/NCI NIH HHS/ -- R01CA172651/CA/NCI NIH HHS/ -- T32DK007066/DK/NIDDK NIH HHS/ -- U01AI095608/AI/NIAID NIH HHS/ -- U19 AI082630/AI/NIAID NIH HHS/ -- U19AI082630/AI/NIAID NIH HHS/ -- UL1RR024134/RR/NCRR NIH HHS/ -- England -- Nature. 2015 Apr 16;520(7547):373-7. doi: 10.1038/nature14292. Epub 2015 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Division of Biostatistics, Department of Public Health Sciences, University of Miami, Miami, Florida 33136, USA. ; 1] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [3] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [3] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [4] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; 1] Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [2] Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [3] Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA [4] Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25754329" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD274/*antagonists & inhibitors/metabolism ; CTLA-4 Antigen/*antagonists & inhibitors ; Cell Cycle Checkpoints/*drug effects ; Female ; Humans ; Melanoma/*drug therapy/*immunology/pathology/*radiotherapy ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Receptors, Antigen, T-Cell/drug effects/immunology/metabolism ; T-Lymphocytes/cytology/*drug effects/immunology/*radiation effects ; T-Lymphocytes, Regulatory/drug effects/immunology/radiation effects
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  • 6
    Publication Date: 2015-11-03
    Description: Macroautophagy (hereafter referred to as autophagy) is a catabolic membrane trafficking process that degrades a variety of cellular constituents and is associated with human diseases. Although extensive studies have focused on autophagic turnover of cytoplasmic materials, little is known about the role of autophagy in degrading nuclear components. Here we report that the autophagy machinery mediates degradation of nuclear lamina components in mammals. The autophagy protein LC3/Atg8, which is involved in autophagy membrane trafficking and substrate delivery, is present in the nucleus and directly interacts with the nuclear lamina protein lamin B1, and binds to lamin-associated domains on chromatin. This LC3-lamin B1 interaction does not downregulate lamin B1 during starvation, but mediates its degradation upon oncogenic insults, such as by activated RAS. Lamin B1 degradation is achieved by nucleus-to-cytoplasm transport that delivers lamin B1 to the lysosome. Inhibiting autophagy or the LC3-lamin B1 interaction prevents activated RAS-induced lamin B1 loss and attenuates oncogene-induced senescence in primary human cells. Our study suggests that this new function of autophagy acts as a guarding mechanism protecting cells from tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dou, Zhixun -- Xu, Caiyue -- Donahue, Greg -- Shimi, Takeshi -- Pan, Ji-An -- Zhu, Jiajun -- Ivanov, Andrejs -- Capell, Brian C -- Drake, Adam M -- Shah, Parisha P -- Catanzaro, Joseph M -- Ricketts, M Daniel -- Lamark, Trond -- Adam, Stephen A -- Marmorstein, Ronen -- Zong, Wei-Xing -- Johansen, Terje -- Goldman, Robert D -- Adams, Peter D -- Berger, Shelley L -- P01AG031862/AG/NIA NIH HHS/ -- R01 CA078831/CA/NCI NIH HHS/ -- R01 GM106023/GM/NIGMS NIH HHS/ -- England -- Nature. 2015 Nov 5;527(7576):105-9. doi: 10.1038/nature15548. Epub 2015 Oct 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Epigenetics Program, Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Department of Cell and Molecular Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA. ; Department of Molecular Genetics and Microbiology, Stony Brook University, Stony Brook, New York 11794, USA. ; Institute of Cancer Sciences, University of Glasgow and Beatson Institute for Cancer Research, Glasgow G61 1BD, UK. ; Department of Biochemistry &Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Molecular Cancer Research Group, Institute of Medical Biology, University of Tromso - The Arctic University of Norway, 9037 Tromso, Norway. ; Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. ; Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26524528" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Animals ; *Autophagy ; Cell Aging ; Cell Transformation, Neoplastic ; Cells, Cultured ; Chromatin/chemistry/metabolism ; Cytoplasm/metabolism ; Fibroblasts ; HEK293 Cells ; Humans ; Lamin Type B/genetics/metabolism ; Lysosomes/metabolism ; Mice ; Microfilament Proteins/metabolism ; Microtubule-Associated Proteins/metabolism ; Nuclear Lamina/*metabolism ; Oncogene Protein p21(ras)/metabolism ; Protein Binding ; Proteolysis
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  • 7
    Publication Date: 2015-03-13
    Description: After stimulation, dendritic cells (DCs) mature and migrate to draining lymph nodes to induce immune responses. As such, autologous DCs generated ex vivo have been pulsed with tumour antigens and injected back into patients as immunotherapy. While DC vaccines have shown limited promise in the treatment of patients with advanced cancers including glioblastoma, the factors dictating DC vaccine efficacy remain poorly understood. Here we show that pre-conditioning the vaccine site with a potent recall antigen such as tetanus/diphtheria (Td) toxoid can significantly improve the lymph node homing and efficacy of tumour-antigen-specific DCs. To assess the effect of vaccine site pre-conditioning in humans, we randomized patients with glioblastoma to pre-conditioning with either mature DCs or Td unilaterally before bilateral vaccination with DCs pulsed with Cytomegalovirus phosphoprotein 65 (pp65) RNA. We and other laboratories have shown that pp65 is expressed in more than 90% of glioblastoma specimens but not in surrounding normal brain, providing an unparalleled opportunity to subvert this viral protein as a tumour-specific target. Patients given Td had enhanced DC migration bilaterally and significantly improved survival. In mice, Td pre-conditioning also enhanced bilateral DC migration and suppressed tumour growth in a manner dependent on the chemokine CCL3. Our clinical studies and corroborating investigations in mice suggest that pre-conditioning with a potent recall antigen may represent a viable strategy to improve anti-tumour immunotherapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4510871/" 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/PMC4510871/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, Duane A -- Batich, Kristen A -- Gunn, Michael D -- Huang, Min-Nung -- Sanchez-Perez, Luis -- Nair, Smita K -- Congdon, Kendra L -- Reap, Elizabeth A -- Archer, Gary E -- Desjardins, Annick -- Friedman, Allan H -- Friedman, Henry S -- Herndon, James E 2nd -- Coan, April -- McLendon, Roger E -- Reardon, David A -- Vredenburgh, James J -- Bigner, Darell D -- Sampson, John H -- 1UL2 RR024128-01/RR/NCRR NIH HHS/ -- P01 CA154291/CA/NCI NIH HHS/ -- P01-CA154291-01A1/CA/NCI NIH HHS/ -- P50 CA108786/CA/NCI NIH HHS/ -- P50 NS020023/NS/NINDS NIH HHS/ -- P50-CA108786/CA/NCI NIH HHS/ -- P50-NS20023/NS/NINDS NIH HHS/ -- R01 CA134844/CA/NCI NIH HHS/ -- R01 CA177476/CA/NCI NIH HHS/ -- R01 NS067037/NS/NINDS NIH HHS/ -- R01-CA134844/CA/NCI NIH HHS/ -- R01-CA177476-01/CA/NCI NIH HHS/ -- R01-NS067037/NS/NINDS NIH HHS/ -- T32 AI052077/AI/NIAID NIH HHS/ -- T32 GM007171/GM/NIGMS NIH HHS/ -- England -- Nature. 2015 Mar 19;519(7543):366-9. doi: 10.1038/nature14320. Epub 2015 Mar 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [3] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Division of Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [3] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA [4] Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA [5] Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25762141" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; CD4-Positive T-Lymphocytes/drug effects/immunology ; Cancer Vaccines/administration & dosage/*immunology/therapeutic use ; Cell Movement/drug effects ; Chemokine CCL3/*immunology ; Dendritic Cells/cytology/*drug effects/immunology ; Female ; Glioblastoma/drug therapy/*immunology/pathology/*therapy ; Humans ; Immunotherapy/methods ; Lymph Nodes/cytology/drug effects/immunology ; Mice ; Mice, Inbred C57BL ; Phosphoproteins/chemistry/genetics/immunology ; Substrate Specificity ; Survival Rate ; Tetanus Toxoid/*administration & dosage/*pharmacology/therapeutic use ; Treatment Outcome ; Viral Matrix Proteins/chemistry/genetics/immunology
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  • 8
    Publication Date: 2015-09-17
    Description: The elucidation of factors that activate the regeneration of the adult mammalian heart is of major scientific and therapeutic importance. Here we found that epicardial cells contain a potent cardiogenic activity identified as follistatin-like 1 (Fstl1). Epicardial Fstl1 declines following myocardial infarction and is replaced by myocardial expression. Myocardial Fstl1 does not promote regeneration, either basally or upon transgenic overexpression. Application of the human Fstl1 protein (FSTL1) via an epicardial patch stimulates cell cycle entry and division of pre-existing cardiomyocytes, improving cardiac function and survival in mouse and swine models of myocardial infarction. The data suggest that the loss of epicardial FSTL1 is a maladaptive response to injury, and that its restoration would be an effective way to reverse myocardial death and remodelling following myocardial infarction in humans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4762253/" 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/PMC4762253/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wei, Ke -- Serpooshan, Vahid -- Hurtado, Cecilia -- Diez-Cunado, Marta -- Zhao, Mingming -- Maruyama, Sonomi -- Zhu, Wenhong -- Fajardo, Giovanni -- Noseda, Michela -- Nakamura, Kazuto -- Tian, Xueying -- Liu, Qiaozhen -- Wang, Andrew -- Matsuura, Yuka -- Bushway, Paul -- Cai, Wenqing -- Savchenko, Alex -- Mahmoudi, Morteza -- Schneider, Michael D -- van den Hoff, Maurice J B -- Butte, Manish J -- Yang, Phillip C -- Walsh, Kenneth -- Zhou, Bin -- Bernstein, Daniel -- Mercola, Mark -- Ruiz-Lozano, Pilar -- 5UM1 HL113456/HL/NHLBI NIH HHS/ -- HL065484/HL/NHLBI NIH HHS/ -- HL108176/HL/NHLBI NIH HHS/ -- HL113601/HL/NHLBI NIH HHS/ -- HL116591/HL/NHLBI NIH HHS/ -- K08 AI079268/AI/NIAID NIH HHS/ -- P01 HL098053/HL/NHLBI NIH HHS/ -- P30 AR061303/AR/NIAMS NIH HHS/ -- P30 CA030199/CA/NCI NIH HHS/ -- R01 HL086879/HL/NHLBI NIH HHS/ -- R01 HL113601/HL/NHLBI NIH HHS/ -- UM1 HL113456/HL/NHLBI NIH HHS/ -- England -- Nature. 2015 Sep 24;525(7570):479-85. doi: 10.1038/nature15372. Epub 2015 Sep 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, University of California, San Diego, La Jolla, California 92037, USA. ; Sanford-Burnham-Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, California 92037, USA. ; Stanford Cardiovascular Institute and Department of Pediatrics, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, USA. ; Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts 02118, USA. ; Imperial College London, Faculty of Medicine, Imperial Centre for Translational and Experimental Medicine, Du Cane Road, London W12 0NN, UK. ; Key Laboratory of Nutrition and Metabolism, Institute for Nutritional Sciences, and Shanghai Institutes for Biological Sciences, Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, 1417613151 Tehran, Iran. ; Academic Medical Center. Dept Anatomy, Embryology and Physiology. Meibergdreef 15. 1105AZ Amsterdam, The Netherlands. ; CAS Center for Excellence in Brain Science, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26375005" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle/drug effects ; Cell Proliferation/drug effects ; Culture Media, Conditioned/pharmacology ; Female ; Follistatin-Related Proteins/genetics/*metabolism ; Humans ; Male ; Mice ; Myoblasts, Cardiac/cytology/drug effects ; Myocardial Infarction/genetics/metabolism/pathology/physiopathology ; Myocardium/*metabolism ; Myocytes, Cardiac/cytology/drug effects/metabolism ; Pericardium/cytology/drug effects/*growth & development/*metabolism ; Rats ; *Regeneration/drug effects ; Signal Transduction ; Swine ; Transgenes/genetics
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  • 9
    Publication Date: 2015-02-25
    Description: Haematopoietic stem cells (HSCs) are responsible for the lifelong production of blood cells. The accumulation of DNA damage in HSCs is a hallmark of ageing and is probably a major contributing factor in age-related tissue degeneration and malignant transformation. A number of accelerated ageing syndromes are associated with defective DNA repair and genomic instability, including the most common inherited bone marrow failure syndrome, Fanconi anaemia. However, the physiological source of DNA damage in HSCs from both normal and diseased individuals remains unclear. Here we show in mice that DNA damage is a direct consequence of inducing HSCs to exit their homeostatic quiescent state in response to conditions that model physiological stress, such as infection or chronic blood loss. Repeated activation of HSCs out of their dormant state provoked the attrition of normal HSCs and, in the case of mice with a non-functional Fanconi anaemia DNA repair pathway, led to a complete collapse of the haematopoietic system, which phenocopied the highly penetrant bone marrow failure seen in Fanconi anaemia patients. Our findings establish a novel link between physiological stress and DNA damage in normal HSCs and provide a mechanistic explanation for the universal accumulation of DNA damage in HSCs during ageing and the accelerated failure of the haematopoietic system in Fanconi anaemia patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walter, Dagmar -- Lier, Amelie -- Geiselhart, Anja -- Thalheimer, Frederic B -- Huntscha, Sina -- Sobotta, Mirko C -- Moehrle, Bettina -- Brocks, David -- Bayindir, Irem -- Kaschutnig, Paul -- Muedder, Katja -- Klein, Corinna -- Jauch, Anna -- Schroeder, Timm -- Geiger, Hartmut -- Dick, Tobias P -- Holland-Letz, Tim -- Schmezer, Peter -- Lane, Steven W -- Rieger, Michael A -- Essers, Marieke A G -- Williams, David A -- Trumpp, Andreas -- Milsom, Michael D -- England -- Nature. 2015 Apr 23;520(7548):549-52. doi: 10.1038/nature14131. Epub 2015 Feb 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Heidelberg Institute for Stem Cell Technology and Experimental Medicine gGmbH (HI-STEM), 69120 Heidelberg, Germany. ; Deutsches Krebsforschungszentrum (DKFZ), Division of Stem Cells and Cancer, Experimental Hematology Group, 69120 Heidelberg, Germany. ; LOEWE Center for Cell and Gene Therapy and Department of Hematology/Oncology, Goethe University Frankfurt, 60595 Frankfurt am Main, Germany. ; Deutsches Krebsforschungszentrum (DKFZ), DKFZ-ZMBH Alliance, Division of Redox Regulation, 69120 Heidelberg, Germany. ; Institute for Molecular Medicine, Stem Cells and Aging, Ulm University, 89081 Ulm, Germany. ; Deutsches Krebsforschungszentrum (DKFZ), Division of Stem Cells and Cancer, 69120 Heidelberg, Germany. ; Institute of Human Genetics, University of Heidelberg, 69120 Heidelberg, Germany. ; ETH Zurich, Department of Biosystems Science and Engineering, 4058 Basel, Switzerland. ; 1] Institute for Molecular Medicine, Stem Cells and Aging, Ulm University, 89081 Ulm, Germany [2] Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA. ; Deutsches Krebsforschungszentrum (DKFZ), Division of Biostatistics, 69120 Heidelberg, Germany. ; Deutsches Krebsforschungszentrum (DKFZ), Division of Epigenomics and Cancer Risk Factors, 69120 Heidelberg, Germany. ; QIMR Berghofer Medical Research Institute, University of Queensland, Brisbane 4006, Australia. ; 1] Heidelberg Institute for Stem Cell Technology and Experimental Medicine gGmbH (HI-STEM), 69120 Heidelberg, Germany [2] Deutsches Krebsforschungszentrum (DKFZ), Division of Stem Cells and Cancer, Hematopoietic Stem Cells and Stress Group, 69120 Heidelberg, Germany. ; 1] Boston Children's Hospital, Boston, Massachusetts 02115, USA [2] Dana-Faber Cancer Institute, Boston, Massachusetts 02115, USA [3] Harvard Stem Cell Institute, Boston, Massachusetts 02138, USA [4] Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Heidelberg Institute for Stem Cell Technology and Experimental Medicine gGmbH (HI-STEM), 69120 Heidelberg, Germany [2] Deutsches Krebsforschungszentrum (DKFZ), Division of Stem Cells and Cancer, 69120 Heidelberg, Germany. ; 1] Heidelberg Institute for Stem Cell Technology and Experimental Medicine gGmbH (HI-STEM), 69120 Heidelberg, Germany [2] Deutsches Krebsforschungszentrum (DKFZ), Division of Stem Cells and Cancer, Experimental Hematology Group, 69120 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25707806" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/pathology ; *Cell Cycle ; Cell Death ; Cell Proliferation ; *DNA Damage ; Fanconi Anemia/metabolism ; Hematopoietic Stem Cells/*cytology/*metabolism ; Mice ; Reactive Oxygen Species/metabolism ; Stress, Physiological
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  • 10
    Publication Date: 2015-02-27
    Description: Pancreatic cancer remains one of the most lethal of malignancies and a major health burden. We performed whole-genome sequencing and copy number variation (CNV) analysis of 100 pancreatic ductal adenocarcinomas (PDACs). Chromosomal rearrangements leading to gene disruption were prevalent, affecting genes known to be important in pancreatic cancer (TP53, SMAD4, CDKN2A, ARID1A and ROBO2) and new candidate drivers of pancreatic carcinogenesis (KDM6A and PREX2). Patterns of structural variation (variation in chromosomal structure) classified PDACs into 4 subtypes with potential clinical utility: the subtypes were termed stable, locally rearranged, scattered and unstable. A significant proportion harboured focal amplifications, many of which contained druggable oncogenes (ERBB2, MET, FGFR1, CDK6, PIK3R3 and PIK3CA), but at low individual patient prevalence. Genomic instability co-segregated with inactivation of DNA maintenance genes (BRCA1, BRCA2 or PALB2) and a mutational signature of DNA damage repair deficiency. Of 8 patients who received platinum therapy, 4 of 5 individuals with these measures of defective DNA maintenance responded.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4523082/" 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/PMC4523082/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waddell, Nicola -- Pajic, Marina -- Patch, Ann-Marie -- Chang, David K -- Kassahn, Karin S -- Bailey, Peter -- Johns, Amber L -- Miller, David -- Nones, Katia -- Quek, Kelly -- Quinn, Michael C J -- Robertson, Alan J -- Fadlullah, Muhammad Z H -- Bruxner, Tim J C -- Christ, Angelika N -- Harliwong, Ivon -- Idrisoglu, Senel -- Manning, Suzanne -- Nourse, Craig -- Nourbakhsh, Ehsan -- Wani, Shivangi -- Wilson, Peter J -- Markham, Emma -- Cloonan, Nicole -- Anderson, Matthew J -- Fink, J Lynn -- Holmes, Oliver -- Kazakoff, Stephen H -- Leonard, Conrad -- Newell, Felicity -- Poudel, Barsha -- Song, Sarah -- Taylor, Darrin -- Waddell, Nick -- Wood, Scott -- Xu, Qinying -- Wu, Jianmin -- Pinese, Mark -- Cowley, Mark J -- Lee, Hong C -- Jones, Marc D -- Nagrial, Adnan M -- Humphris, Jeremy -- Chantrill, Lorraine A -- Chin, Venessa -- Steinmann, Angela M -- Mawson, Amanda -- Humphrey, Emily S -- Colvin, Emily K -- Chou, Angela -- Scarlett, Christopher J -- Pinho, Andreia V -- Giry-Laterriere, Marc -- Rooman, Ilse -- Samra, Jaswinder S -- Kench, James G -- Pettitt, Jessica A -- Merrett, Neil D -- Toon, Christopher -- Epari, Krishna -- Nguyen, Nam Q -- Barbour, Andrew -- Zeps, Nikolajs -- Jamieson, Nigel B -- Graham, Janet S -- Niclou, Simone P -- Bjerkvig, Rolf -- Grutzmann, Robert -- Aust, Daniela -- Hruban, Ralph H -- Maitra, Anirban -- Iacobuzio-Donahue, Christine A -- Wolfgang, Christopher L -- Morgan, Richard A -- Lawlor, Rita T -- Corbo, Vincenzo -- Bassi, Claudio -- Falconi, Massimo -- Zamboni, Giuseppe -- Tortora, Giampaolo -- Tempero, Margaret A -- Australian Pancreatic Cancer Genome Initiative -- Gill, Anthony J -- Eshleman, James R -- Pilarsky, Christian -- Scarpa, Aldo -- Musgrove, Elizabeth A -- Pearson, John V -- Biankin, Andrew V -- Grimmond, Sean M -- 103721/Wellcome Trust/United Kingdom -- C29717/A17263/Cancer Research UK/United Kingdom -- C596/A18076/Cancer Research UK/United Kingdom -- P30 CA006973/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- P50 CA062924/CA/NCI NIH HHS/ -- P50 CA62924/CA/NCI NIH HHS/ -- England -- Nature. 2015 Feb 26;518(7540):495-501. doi: 10.1038/nature14169.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia [2] QIMR Berghofer Medical Research Institute, Herston Road, Brisbane 4006, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2010, Australia. ; Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia [3] South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales, Liverpool, New South Wales 2170, Australia [4] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; 1] Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia [2] 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, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Department of Anatomical Pathology, St Vincent's Hospital, Sydney, New South Wales 2010, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] School of Environmental &Life Sciences, University of Newcastle, Ourimbah, New South Wales 2258, Australia. ; 1] Department of Surgery, Royal North Shore Hospital, St Leonards, Sydney, New South Wales 2065, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia [3] Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, New South Wales 2050, Australia. ; 1] Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia [2] School of Medicine, University of Western Sydney, Penrith, New South Wales 2175, Australia. ; Department of Surgery, Fremantle Hospital, Alma Street, Fremantle, Western Australia 6160, 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. ; 1] School of Surgery M507, University of Western Australia, 35 Stirling Highway, Nedlands 6009, Australia [2] St John of God Pathology, 12 Salvado Rd, Subiaco, Western Australia 6008, Australia [3] Bendat Family Comprehensive Cancer Centre, St John of God Subiaco Hospital, Subiaco, Western Australia 6008, Australia. ; 1] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK [2] Academic Unit of Surgery, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow G4 OSF, UK [3] West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow G31 2ER, UK. ; 1] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK [2] Department of Medical Oncology, Beatson West of Scotland Cancer Centre, 1053 Great Western Road, Glasgow G12 0YN, UK. ; Norlux Neuro-Oncology Laboratory, CRP-Sante Luxembourg, 84 Val Fleuri, L-1526, Luxembourg. ; Norlux Neuro-Oncology, Department of Biomedicine, University of Bergen, Jonas Lies vei 91, N-5019 Bergen, Norway. ; Departments of Surgery and Pathology, TU Dresden, Fetscherstr. 74, 01307 Dresden, Germany. ; Department of Pathology, The Sol Goldman Pancreatic Cancer Research Center, the Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; Departments of Pathology and Translational Molecular Pathology, University of Texas 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 Surgery, The Sol Goldman Pancreatic Cancer Research Center, the Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; 1] ARC-NET Centre for Applied Research on Cancer, University and Hospital Trust of Verona, Verona 37134, Italy [2] Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy. ; ARC-NET Centre for Applied Research on Cancer, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Surgery and Oncology, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy. ; 1] Department of Surgery and Oncology, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy [2] Departments of Surgery and Pathology, Ospedale Sacro Cuore Don Calabria Negrar, Verona 37024, Italy. ; 1] Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy [2] Departments of Surgery and Pathology, Ospedale Sacro Cuore Don Calabria Negrar, Verona 37024, Italy. ; Department of Oncology, University and Hospital Trust of Verona, Verona 37134, Italy. ; Division of Hematology and Oncology, University of California, San Francisco, California 94122, USA. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia. ; Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719666" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/drug therapy/genetics ; Animals ; Carcinoma, Pancreatic Ductal/drug therapy/genetics ; *DNA Mutational Analysis ; DNA Repair/genetics ; Female ; Genes, BRCA1 ; Genes, BRCA2 ; Genetic Markers/genetics ; Genome, Human/*genetics ; Genomic Instability/genetics ; *Genomics ; Genotype ; Humans ; Mice ; Mutation/*genetics ; Pancreatic Neoplasms/classification/drug therapy/*genetics ; Platinum/pharmacology ; Point Mutation/genetics ; Poly(ADP-ribose) Polymerase Inhibitors ; Xenograft Model Antitumor Assays
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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