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  • Female  (9)
  • Life and Medical Sciences
  • Nature Publishing Group (NPG)  (9)
  • 1
    Publication Date: 2012-06-23
    Description: Breast carcinoma is the leading cause of cancer-related mortality in women worldwide, with an estimated 1.38 million new cases and 458,000 deaths in 2008 alone. This malignancy represents a heterogeneous group of tumours with characteristic molecular features, prognosis and responses to available therapy. Recurrent somatic alterations in breast cancer have been described, including mutations and copy number alterations, notably ERBB2 amplifications, the first successful therapy target defined by a genomic aberration. Previous DNA sequencing studies of breast cancer genomes have revealed additional candidate mutations and gene rearrangements. Here we report the whole-exome sequences of DNA from 103 human breast cancers of diverse subtypes from patients in Mexico and Vietnam compared to matched-normal DNA, together with whole-genome sequences of 22 breast cancer/normal pairs. Beyond confirming recurrent somatic mutations in PIK3CA, TP53, AKT1, GATA3 and MAP3K1, we discovered recurrent mutations in the CBFB transcription factor gene and deletions of its partner RUNX1. Furthermore, we have identified a recurrent MAGI3-AKT3 fusion enriched in triple-negative breast cancer lacking oestrogen and progesterone receptors and ERBB2 expression. The MAGI3-AKT3 fusion leads to constitutive activation of AKT kinase, which is abolished by treatment with an ATP-competitive AKT small-molecule inhibitor.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4148686/" 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/PMC4148686/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banerji, Shantanu -- Cibulskis, Kristian -- Rangel-Escareno, Claudia -- Brown, Kristin K -- Carter, Scott L -- Frederick, Abbie M -- Lawrence, Michael S -- Sivachenko, Andrey Y -- Sougnez, Carrie -- Zou, Lihua -- Cortes, Maria L -- Fernandez-Lopez, Juan C -- Peng, Shouyong -- Ardlie, Kristin G -- Auclair, Daniel -- Bautista-Pina, Veronica -- Duke, Fujiko -- Francis, Joshua -- Jung, Joonil -- Maffuz-Aziz, Antonio -- Onofrio, Robert C -- Parkin, Melissa -- Pho, Nam H -- Quintanar-Jurado, Valeria -- Ramos, Alex H -- Rebollar-Vega, Rosa -- Rodriguez-Cuevas, Sergio -- Romero-Cordoba, Sandra L -- Schumacher, Steven E -- Stransky, Nicolas -- Thompson, Kristin M -- Uribe-Figueroa, Laura -- Baselga, Jose -- Beroukhim, Rameen -- Polyak, Kornelia -- Sgroi, Dennis C -- Richardson, Andrea L -- Jimenez-Sanchez, Gerardo -- Lander, Eric S -- Gabriel, Stacey B -- Garraway, Levi A -- Golub, Todd R -- Melendez-Zajgla, Jorge -- Toker, Alex -- Getz, Gad -- Hidalgo-Miranda, Alfredo -- Meyerson, Matthew -- CA089393/CA/NCI NIH HHS/ -- CA122099/CA/NCI NIH HHS/ -- R01 CA122099/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Jun 20;486(7403):405-9. doi: 10.1038/nature11154.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22722202" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Breast Neoplasms/*classification/*genetics/pathology ; Core Binding Factor Alpha 2 Subunit/genetics ; Core Binding Factor beta Subunit/genetics ; DNA Mutational Analysis ; Exome/genetics ; Female ; Gene Fusion/genetics ; Humans ; Membrane Proteins/genetics ; Mexico ; Mutation/*genetics ; Proto-Oncogene Proteins c-akt/antagonists & inhibitors/genetics/metabolism ; Translocation, Genetic/*genetics ; Vietnam
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  • 2
    Publication Date: 2014-06-12
    Description: Cutaneous melanoma is epidemiologically linked to ultraviolet radiation (UVR), but the molecular mechanisms by which UVR drives melanomagenesis remain unclear. The most common somatic mutation in melanoma is a V600E substitution in BRAF, which is an early event. To investigate how UVR accelerates oncogenic BRAF-driven melanomagenesis, we used a BRAF(V600E) mouse model. In mice expressing BRAF(V600E) in their melanocytes, a single dose of UVR that mimicked mild sunburn in humans induced clonal expansion of the melanocytes, and repeated doses of UVR increased melanoma burden. Here we show that sunscreen (UVA superior, UVB sun protection factor (SPF) 50) delayed the onset of UVR-driven melanoma, but only provided partial protection. The UVR-exposed tumours showed increased numbers of single nucleotide variants and we observed mutations (H39Y, S124F, R245C, R270C, C272G) in the Trp53 tumour suppressor in approximately 40% of cases. TP53 is an accepted UVR target in human non-melanoma skin cancer, but is not thought to have a major role in melanoma. However, we show that, in mice, mutant Trp53 accelerated BRAF(V600E)-driven melanomagenesis, and that TP53 mutations are linked to evidence of UVR-induced DNA damage in human melanoma. Thus, we provide mechanistic insight into epidemiological data linking UVR to acquired naevi in humans. Furthermore, we identify TP53/Trp53 as a UVR-target gene that cooperates with BRAF(V600E) to induce melanoma, providing molecular insight into how UVR accelerates melanomagenesis. Our study validates public health campaigns that promote sunscreen protection for individuals at risk of melanoma.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4112218/" 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/PMC4112218/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Viros, Amaya -- Sanchez-Laorden, Berta -- Pedersen, Malin -- Furney, Simon J -- Rae, Joel -- Hogan, Kate -- Ejiama, Sarah -- Girotti, Maria Romina -- Cook, Martin -- Dhomen, Nathalie -- Marais, Richard -- A12738/Cancer Research UK/United Kingdom -- A13540/Cancer Research UK/United Kingdom -- A17240/Cancer Research UK/United Kingdom -- A7091/Cancer Research UK/United Kingdom -- A7192/Cancer Research UK/United Kingdom -- C107/A10433/Cancer Research UK/United Kingdom -- C5759/A12328/Cancer Research UK/United Kingdom -- England -- Nature. 2014 Jul 24;511(7510):478-82. doi: 10.1038/nature13298. Epub 2014 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Wilmslow Road, Manchester M20 4BX, UK [2]. ; 1] Signal Transduction Team, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK [2]. ; Signal Transduction Team, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK. ; Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Wilmslow Road, Manchester M20 4BX, UK. ; 1] Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Wilmslow Road, Manchester M20 4BX, UK [2] Histopathology, Royal Surrey County Hospital, Egerton Road, Guildford GU2 7XX, UK. ; 1] Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Wilmslow Road, Manchester M20 4BX, UK [2] Signal Transduction Team, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24919155" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Transformation, Neoplastic/*genetics/*radiation effects ; DNA Damage/genetics ; Disease Models, Animal ; Female ; Humans ; Melanocytes/metabolism/pathology/radiation effects ; Melanoma/etiology/*genetics/metabolism/*pathology ; Mice ; Mice, Inbred C57BL ; Mutagenesis/genetics/*radiation effects ; Mutation/genetics/radiation effects ; Nevus/etiology/genetics/metabolism/pathology ; Proto-Oncogene Proteins B-raf/*genetics/metabolism ; Skin Neoplasms/etiology/genetics/metabolism/pathology ; Sunburn/complications/etiology/genetics ; Sunscreening Agents/pharmacology ; Tumor Suppressor Protein p53/*genetics/metabolism ; Ultraviolet Rays/*adverse effects
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  • 3
    Publication Date: 2014-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanchez, Irma -- Dynlacht, Brian D -- England -- Nature. 2014 Jun 5;510(7503):40-2. doi: 10.1038/510040a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New York University School of Medicine, New York, New York 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24899299" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calmodulin-Binding Proteins/*deficiency/*genetics ; Cilia/*genetics/*physiology ; Female ; Male ; MicroRNAs/*genetics ; Morphogenesis/*genetics
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  • 4
    Publication Date: 2014-08-15
    Description: Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers in western countries, with a median survival of 6 months and an extremely low percentage of long-term surviving patients. KRAS mutations are known to be a driver event of PDAC, but targeting mutant KRAS has proved challenging. Targeting oncogene-driven signalling pathways is a clinically validated approach for several devastating diseases. Still, despite marked tumour shrinkage, the frequency of relapse indicates that a fraction of tumour cells survives shut down of oncogenic signalling. Here we explore the role of mutant KRAS in PDAC maintenance using a recently developed inducible mouse model of mutated Kras (Kras(G12D), herein KRas) in a p53(LoxP/WT) background. We demonstrate that a subpopulation of dormant tumour cells surviving oncogene ablation (surviving cells) and responsible for tumour relapse has features of cancer stem cells and relies on oxidative phosphorylation for survival. Transcriptomic and metabolic analyses of surviving cells reveal prominent expression of genes governing mitochondrial function, autophagy and lysosome activity, as well as a strong reliance on mitochondrial respiration and a decreased dependence on glycolysis for cellular energetics. Accordingly, surviving cells show high sensitivity to oxidative phosphorylation inhibitors, which can inhibit tumour recurrence. Our integrated analyses illuminate a therapeutic strategy of combined targeting of the KRAS pathway and mitochondrial respiration to manage pancreatic cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376130/" 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/PMC4376130/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Viale, Andrea -- Pettazzoni, Piergiorgio -- Lyssiotis, Costas A -- Ying, Haoqiang -- Sanchez, Nora -- Marchesini, Matteo -- Carugo, Alessandro -- Green, Tessa -- Seth, Sahil -- Giuliani, Virginia -- Kost-Alimova, Maria -- Muller, Florian -- Colla, Simona -- Nezi, Luigi -- Genovese, Giannicola -- Deem, Angela K -- Kapoor, Avnish -- Yao, Wantong -- Brunetto, Emanuela -- Kang, Ya'an -- Yuan, Min -- Asara, John M -- Wang, Y Alan -- Heffernan, Timothy P -- Kimmelman, Alec C -- Wang, Huamin -- Fleming, Jason B -- Cantley, Lewis C -- DePinho, Ronald A -- Draetta, Giulio F -- CA016672/CA/NCI NIH HHS/ -- CA16672/CA/NCI NIH HHS/ -- P01 CA117969/CA/NCI NIH HHS/ -- P01 CA120964/CA/NCI NIH HHS/ -- P01CA117969/CA/NCI NIH HHS/ -- P01CA120964/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- P30CA16672/CA/NCI NIH HHS/ -- P50 CA127003/CA/NCI NIH HHS/ -- England -- Nature. 2014 Oct 30;514(7524):628-32. doi: 10.1038/nature13611. Epub 2014 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3]. ; Department of Medicine, Weill Cornell Medical College, New York, New York 10065, USA. ; Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; 1] Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [2] Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA [3] Department of Experimental Oncology, European Institute of Oncology, Milan 20139, Italy. ; Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Pathology Unit, San Raffaele Scientific Institute, Milan 20132, Italy. ; Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Department of Medicine, Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA. ; Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA. ; Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25119024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autophagy ; Carcinoma, Pancreatic Ductal/drug therapy/genetics/*metabolism/*pathology ; Cell Respiration/drug effects ; Cell Survival/drug effects ; Disease Models, Animal ; Female ; Gene Expression Regulation, Neoplastic ; Genes, p53/genetics ; Glycolysis ; Lysosomes/metabolism ; Mice ; Mitochondria/drug effects/*metabolism ; Mutation/genetics ; Neoplasm Recurrence, Local/prevention & control ; Neoplastic Stem Cells/drug effects/metabolism/pathology ; Oxidative Phosphorylation/drug effects ; Pancreatic Neoplasms/drug therapy/genetics/*metabolism/*pathology ; Proto-Oncogene Proteins p21(ras)/*genetics/metabolism ; Recurrence ; Signal Transduction
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  • 5
    Publication Date: 2011-04-22
    Description: Our knowledge of species and functional composition of the human gut microbiome is rapidly increasing, but it is still based on very few cohorts and little is known about variation across the world. By combining 22 newly sequenced faecal metagenomes of individuals from four countries with previously published data sets, here we identify three robust clusters (referred to as enterotypes hereafter) that are not nation or continent specific. We also confirmed the enterotypes in two published, larger cohorts, indicating that intestinal microbiota variation is generally stratified, not continuous. This indicates further the existence of a limited number of well-balanced host-microbial symbiotic states that might respond differently to diet and drug intake. The enterotypes are mostly driven by species composition, but abundant molecular functions are not necessarily provided by abundant species, highlighting the importance of a functional analysis to understand microbial communities. Although individual host properties such as body mass index, age, or gender cannot explain the observed enterotypes, data-driven marker genes or functional modules can be identified for each of these host properties. For example, twelve genes significantly correlate with age and three functional modules with the body mass index, hinting at a diagnostic potential of microbial markers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3728647/" 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/PMC3728647/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arumugam, Manimozhiyan -- Raes, Jeroen -- Pelletier, Eric -- Le Paslier, Denis -- Yamada, Takuji -- Mende, Daniel R -- Fernandes, Gabriel R -- Tap, Julien -- Bruls, Thomas -- Batto, Jean-Michel -- Bertalan, Marcelo -- Borruel, Natalia -- Casellas, Francesc -- Fernandez, Leyden -- Gautier, Laurent -- Hansen, Torben -- Hattori, Masahira -- Hayashi, Tetsuya -- Kleerebezem, Michiel -- Kurokawa, Ken -- Leclerc, Marion -- Levenez, Florence -- Manichanh, Chaysavanh -- Nielsen, H Bjorn -- Nielsen, Trine -- Pons, Nicolas -- Poulain, Julie -- Qin, Junjie -- Sicheritz-Ponten, Thomas -- Tims, Sebastian -- Torrents, David -- Ugarte, Edgardo -- Zoetendal, Erwin G -- Wang, Jun -- Guarner, Francisco -- Pedersen, Oluf -- de Vos, Willem M -- Brunak, Soren -- Dore, Joel -- MetaHIT Consortium -- Antolin, Maria -- Artiguenave, Francois -- Blottiere, Herve M -- Almeida, Mathieu -- Brechot, Christian -- Cara, Carlos -- Chervaux, Christian -- Cultrone, Antonella -- Delorme, Christine -- Denariaz, Gerard -- Dervyn, Rozenn -- Foerstner, Konrad U -- Friss, Carsten -- van de Guchte, Maarten -- Guedon, Eric -- Haimet, Florence -- Huber, Wolfgang -- van Hylckama-Vlieg, Johan -- Jamet, Alexandre -- Juste, Catherine -- Kaci, Ghalia -- Knol, Jan -- Lakhdari, Omar -- Layec, Severine -- Le Roux, Karine -- Maguin, Emmanuelle -- Merieux, Alexandre -- Melo Minardi, Raquel -- M'rini, Christine -- Muller, Jean -- Oozeer, Raish -- Parkhill, Julian -- Renault, Pierre -- Rescigno, Maria -- Sanchez, Nicolas -- Sunagawa, Shinichi -- Torrejon, Antonio -- Turner, Keith -- Vandemeulebrouck, Gaetana -- Varela, Encarna -- Winogradsky, Yohanan -- Zeller, Georg -- Weissenbach, Jean -- Ehrlich, S Dusko -- Bork, Peer -- 076964/Wellcome Trust/United Kingdom -- 082372/Wellcome Trust/United Kingdom -- England -- Nature. 2011 May 12;473(7346):174-80. doi: 10.1038/nature09944. Epub 2011 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21508958" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*classification/genetics ; Bacterial Typing Techniques ; Biodiversity ; Biomarkers/analysis ; Europe ; Feces/microbiology ; Female ; Humans ; Intestines/*microbiology ; Male ; *Metagenome ; Metagenomics ; Phylogeny
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  • 6
    Publication Date: 2014-07-22
    Description: Myeloproliferative neoplasms (MPNs) are diseases caused by mutations in the haematopoietic stem cell (HSC) compartment. Most MPN patients have a common acquired mutation of Janus kinase 2 (JAK2) gene in HSCs that renders this kinase constitutively active, leading to uncontrolled cell expansion. The bone marrow microenvironment might contribute to the clinical outcomes of this common event. We previously showed that bone marrow nestin(+) mesenchymal stem cells (MSCs) innervated by sympathetic nerve fibres regulate normal HSCs. Here we demonstrate that abrogation of this regulatory circuit is essential for MPN pathogenesis. Sympathetic nerve fibres, supporting Schwann cells and nestin(+) MSCs are consistently reduced in the bone marrow of MPN patients and mice expressing the human JAK2(V617F) mutation in HSCs. Unexpectedly, MSC reduction is not due to differentiation but is caused by bone marrow neural damage and Schwann cell death triggered by interleukin-1beta produced by mutant HSCs. In turn, in vivo depletion of nestin(+) cells or their production of CXCL12 expanded mutant HSC number and accelerated MPN progression. In contrast, administration of neuroprotective or sympathomimetic drugs prevented mutant HSC expansion. Treatment with beta3-adrenergic agonists that restored the sympathetic regulation of nestin(+) MSCs prevented the loss of these cells and blocked MPN progression by indirectly reducing the number of leukaemic stem cells. Our results demonstrate that mutant-HSC-driven niche damage critically contributes to disease manifestation in MPN and identify niche-forming MSCs and their neural regulation as promising therapeutic targets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arranz, Lorena -- Sanchez-Aguilera, Abel -- Martin-Perez, Daniel -- Isern, Joan -- Langa, Xavier -- Tzankov, Alexandar -- Lundberg, Pontus -- Muntion, Sandra -- Tzeng, Yi-Shiuan -- Lai, Dar-Ming -- Schwaller, Jurg -- Skoda, Radek C -- Mendez-Ferrer, Simon -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Aug 7;512(7512):78-81. doi: 10.1038/nature13383. Epub 2014 Jun 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cell Niche Pathophysiology Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain. ; University Hospital Basel, CH-4031 Basel, Switzerland. ; Department of Haematology, IBSAL-Hospital Universitario de Salamanca, 37007 Salamanca, Spain. ; National Taiwan University, Taipei 10002, Taiwan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25043017" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-3 Receptor Agonists/pharmacology/therapeutic use ; Animals ; Apoptosis/drug effects ; Disease Progression ; Female ; Hematopoietic Stem Cells/drug effects/*pathology ; Humans ; Interleukin-1beta/metabolism ; Janus Kinase 2/genetics ; Mesenchymal Stromal Cells/drug effects/pathology ; Mice ; Myeloproliferative Disorders/drug therapy/*pathology ; Neoplasms/drug therapy/*pathology ; Neoplastic Stem Cells/drug effects/pathology ; Nerve Fibers/drug effects/*pathology ; Nestin/metabolism ; Neuroprotective Agents/pharmacology/therapeutic use ; Receptors, Adrenergic, beta-3/metabolism ; Schwann Cells/drug effects/pathology ; *Stem Cell Niche ; Sympathetic Nervous System/drug effects/*pathology/physiopathology
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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
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2014-01-07
    Description: Cervical cancer is responsible for 10-15% of cancer-related deaths in women worldwide. The aetiological role of infection with high-risk human papilloma viruses (HPVs) in cervical carcinomas is well established. Previous studies have also implicated somatic mutations in PIK3CA, PTEN, TP53, STK11 and KRAS as well as several copy-number alterations in the pathogenesis of cervical carcinomas. Here we report whole-exome sequencing analysis of 115 cervical carcinoma-normal paired samples, transcriptome sequencing of 79 cases and whole-genome sequencing of 14 tumour-normal pairs. Previously unknown somatic mutations in 79 primary squamous cell carcinomas include recurrent E322K substitutions in the MAPK1 gene (8%), inactivating mutations in the HLA-B gene (9%), and mutations in EP300 (16%), FBXW7 (15%), NFE2L2 (4%), TP53 (5%) and ERBB2 (6%). We also observe somatic ELF3 (13%) and CBFB (8%) mutations in 24 adenocarcinomas. Squamous cell carcinomas have higher frequencies of somatic nucleotide substitutions occurring at cytosines preceded by thymines (Tp*C sites) than adenocarcinomas. Gene expression levels at HPV integration sites were statistically significantly higher in tumours with HPV integration compared with expression of the same genes in tumours without viral integration at the same site. These data demonstrate several recurrent genomic alterations in cervical carcinomas that suggest new strategies to combat this disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4161954/" 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/PMC4161954/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ojesina, Akinyemi I -- Lichtenstein, Lee -- Freeman, Samuel S -- Pedamallu, Chandra Sekhar -- Imaz-Rosshandler, Ivan -- Pugh, Trevor J -- Cherniack, Andrew D -- Ambrogio, Lauren -- Cibulskis, Kristian -- Bertelsen, Bjorn -- Romero-Cordoba, Sandra -- Trevino, Victor -- Vazquez-Santillan, Karla -- Guadarrama, Alberto Salido -- Wright, Alexi A -- Rosenberg, Mara W -- Duke, Fujiko -- Kaplan, Bethany -- Wang, Rui -- Nickerson, Elizabeth -- Walline, Heather M -- Lawrence, Michael S -- Stewart, Chip -- Carter, Scott L -- McKenna, Aaron -- Rodriguez-Sanchez, Iram P -- Espinosa-Castilla, Magali -- Woie, Kathrine -- Bjorge, Line -- Wik, Elisabeth -- Halle, Mari K -- Hoivik, Erling A -- Krakstad, Camilla -- Gabino, Nayeli Belem -- Gomez-Macias, Gabriela Sofia -- Valdez-Chapa, Lezmes D -- Garza-Rodriguez, Maria Lourdes -- Maytorena, German -- Vazquez, Jorge -- Rodea, Carlos -- Cravioto, Adrian -- Cortes, Maria L -- Greulich, Heidi -- Crum, Christopher P -- Neuberg, Donna S -- Hidalgo-Miranda, Alfredo -- Escareno, Claudia Rangel -- Akslen, Lars A -- Carey, Thomas E -- Vintermyr, Olav K -- Gabriel, Stacey B -- Barrera-Saldana, Hugo A -- Melendez-Zajgla, Jorge -- Getz, Gad -- Salvesen, Helga B -- Meyerson, Matthew -- K07 CA166210/CA/NCI NIH HHS/ -- T32 CA009676/CA/NCI NIH HHS/ -- England -- Nature. 2014 Feb 20;506(7488):371-5. doi: 10.1038/nature12881. Epub 2013 Dec 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA [3]. ; 1] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA [2]. ; The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA. ; Instituto Nacional de Medicina Genomica, Mexico City 14610, Mexico. ; Department of Pathology, Haukeland University Hospital, N5021 Bergen, Norway. ; Tecnologico de Monterrey, Monterrey 64849, Mexico. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. ; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China. ; Cancer Biology Program, Program in the Biomedical Sciences, Rackham Graduate School, University of Michigan, Ann Arbor, Michigan 48109, USA. ; Facultad de Medicina y Hospital Universitario 'Dr. Jose Eluterio Gonzalez' de la Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo Leon 64460, Mexico. ; Department of Obstetrics and Gynecology, Haukeland University Hospital, N5021 Bergen, Norway. ; 1] Department of Obstetrics and Gynecology, Haukeland University Hospital, N5021 Bergen, Norway [2] Department of Clinical Science, Centre for Cancer Biomarkers, University of Bergen, N5020 Bergen, Norway. ; Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA [3] Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. ; Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. ; Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; 1] Instituto Nacional de Medicina Genomica, Mexico City 14610, Mexico [2] Claremont Graduate University, Claremont, California 91711, USA. ; 1] Department of Pathology, Haukeland University Hospital, N5021 Bergen, Norway [2] Centre for Cancer Biomarkers, Department of Clinical Medicine, University of Bergen, N5020 Bergen, Norway. ; Head and Neck Oncology Program and Department of Otolaryngology, University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan 38109, USA. ; 1] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA [2] Massachusetts General Hospital Cancer Center and Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA. ; 1] Department of Obstetrics and Gynecology, Haukeland University Hospital, N5021 Bergen, Norway [2] Department of Clinical Science, Centre for Cancer Biomarkers, University of Bergen, N5020 Bergen, Norway [3]. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, Massachusetts 02142, USA [3] Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA [4].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24390348" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/genetics/virology ; Carcinoma, Squamous Cell/genetics/virology ; Case-Control Studies ; Cell Cycle Proteins/genetics ; Core Binding Factor beta Subunit/genetics ; DNA Copy Number Variations/genetics ; DNA Mutational Analysis ; DNA-Binding Proteins/genetics ; E1A-Associated p300 Protein/genetics ; Exome/genetics ; F-Box Proteins/genetics ; Female ; Gene Expression Regulation, Neoplastic/genetics ; Genome, Human/*genetics ; Genomics ; HLA-B Antigens/genetics ; Humans ; Mitogen-Activated Protein Kinase 1/genetics ; Mutation/*genetics ; NF-E2-Related Factor 2/genetics ; Papillomaviridae/genetics/physiology ; Papillomavirus Infections/genetics ; Proto-Oncogene Proteins/genetics ; Proto-Oncogene Proteins c-ets ; Receptor, ErbB-2/genetics ; Transcription Factors/genetics ; Transcriptome/genetics ; Tumor Suppressor Protein p53/genetics ; Ubiquitin-Protein Ligases/genetics ; Uterine Cervical Neoplasms/*genetics/virology ; Virus Integration/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2015-05-15
    Description: The tumour microenvironment may contribute to tumorigenesis owing to mechanical forces such as fibrotic stiffness or mechanical pressure caused by the expansion of hyper-proliferative cells. Here we explore the contribution of the mechanical pressure exerted by tumour growth onto non-tumorous adjacent epithelium. In the early stage of mouse colon tumour development in the Notch(+)Apc(+/1638N) mouse model, we observed mechanistic pressure stress in the non-tumorous epithelial cells caused by hyper-proliferative adjacent crypts overexpressing active Notch, which is associated with increased Ret and beta-catenin signalling. We thus developed a method that allows the delivery of a defined mechanical pressure in vivo, by subcutaneously inserting a magnet close to the mouse colon. The implanted magnet generated a magnetic force on ultra-magnetic liposomes, stabilized in the mesenchymal cells of the connective tissue surrounding colonic crypts after intravenous injection. The magnetically induced pressure quantitatively mimicked the endogenous early tumour growth stress in the order of 1,200 Pa, without affecting tissue stiffness, as monitored by ultrasound strain imaging and shear wave elastography. The exertion of pressure mimicking that of tumour growth led to rapid Ret activation and downstream phosphorylation of beta-catenin on Tyr654, imparing its interaction with the E-cadherin in adherens junctions, and which was followed by beta-catenin nuclear translocation after 15 days. As a consequence, increased expression of beta-catenin-target genes was observed at 1 month, together with crypt enlargement accompanying the formation of early tumorous aberrant crypt foci. Mechanical activation of the tumorigenic beta-catenin pathway suggests unexplored modes of tumour propagation based on mechanical signalling pathways in healthy epithelial cells surrounding the tumour, which may contribute to tumour heterogeneity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fernandez-Sanchez, Maria Elena -- Barbier, Sandrine -- Whitehead, Joanne -- Bealle, Gaelle -- Michel, Aude -- Latorre-Ossa, Heldmuth -- Rey, Colette -- Fouassier, Laura -- Claperon, Audrey -- Brulle, Laura -- Girard, Elodie -- Servant, Nicolas -- Rio-Frio, Thomas -- Marie, Helene -- Lesieur, Sylviane -- Housset, Chantal -- Gennisson, Jean-Luc -- Tanter, Mickael -- Menager, Christine -- Fre, Silvia -- Robine, Sylvie -- Farge, Emmanuel -- England -- Nature. 2015 Jul 2;523(7558):92-5. doi: 10.1038/nature14329. Epub 2015 May 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Curie, Centre de Recherche, PSL Research University, CNRS UMR 168, Physicochimie Curie Mechanics and Genetics of Embryonic and Tumour Development, INSERM, Fondation Pierre-Gilles de Gennes, F-75005 Paris, France. ; UPMC, Sorbonne Universites, Laboratoire PHENIX Physico-chimie des Electrolytes et Nanosystemes Interfaciaux, CNRS UMR 8234, F-75005 Paris, France. ; Langevin Institut, Waves and Images ESPCI ParisTech, PSL Research University, CNRS UMR7587, Inserm U979. F-75005 Paris, France. ; Sorbonne Universites, UPMC and INSERM, UMR-S 938, CDR Saint-Antoine, F-75012 Paris, France. ; CNRS UMR3666/INSERM U1143, Endocytic Trafficking and Therapeutic Delivery, Institut Curie, Centre de Recherche, F-75005 Paris, France. ; Bioinformatic platform, U900, Institut Curie, MINES ParisTech, F-75005 Paris, France. ; Next-generation sequencing platform, Institut Curie, F-75005 Paris, France. ; CNRS UMR 8612, Laboratoire Physico-Chimie des Systemes Polyphases, Institut Galien Paris-Sud, LabEx LERMIT, Faculte de Pharmacie, Universite Paris-Sud, 92 296 Chatenay-Malabry, France. ; CNRS UMR 3215/INSERM U934, Unite de Genetique et Biologie du Developpement, Notch Signaling in Stem Cells and Tumors, Institut Curie, Centre de Recherche, F-75005 Paris, France. ; CNRS UMR144, Compartimentation et dynamique cellulaires, Morphogenesis and Cell Signalling Institut Curie, Centre de Recherche, F-75005 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25970250" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Carcinogenesis/*pathology ; Colonic Neoplasms/*physiopathology ; Epithelial Cells/cytology/pathology ; Female ; Gene Expression Regulation, Neoplastic ; Magnets ; Male ; Metal Nanoparticles ; Mice ; Mice, Inbred C57BL ; Phosphorylation ; *Pressure ; Proto-Oncogene Proteins c-ret/metabolism ; Receptors, Notch/genetics/metabolism ; Signal Transduction ; *Tumor Microenvironment ; beta Catenin/*genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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