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  • Nature Publishing Group (NPG)
  • 2015-2019  (3,472)
  • 1
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    Sexism: Mind the gap in Hunt responses (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, Rebecca Williams -- England -- Nature. 2015 Jul 16;523(7560):290. doi: 10.1038/523290b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Big Rapids, Michigan, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26178956" target="_blank"〉PubMed〈/a〉
    Keywords: Mentors/*history ; Research Personnel/*history/*standards ; *Sexism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    Lipid nanoparticle siRNA treatment of Ebola-virus-Makona-infected nonhuman primates (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-23
    Description: The current outbreak of Ebola virus in West Africa is unprecedented, causing more cases and fatalities than all previous outbreaks combined, and has yet to be controlled. Several post-exposure interventions have been employed under compassionate use to treat patients repatriated to Europe and the United States. However, the in vivo efficacy of these interventions against the new outbreak strain of Ebola virus is unknown. Here we show that lipid-nanoparticle-encapsulated short interfering RNAs (siRNAs) rapidly adapted to target the Makona outbreak strain of Ebola virus are able to protect 100% of rhesus monkeys against lethal challenge when treatment was initiated at 3 days after exposure while animals were viraemic and clinically ill. Although all infected animals showed evidence of advanced disease including abnormal haematology, blood chemistry and coagulopathy, siRNA-treated animals had milder clinical features and fully recovered, while the untreated control animals succumbed to the disease. These results represent the first, to our knowledge, successful demonstration of therapeutic anti-Ebola virus efficacy against the new outbreak strain in nonhuman primates and highlight the rapid development of lipid-nanoparticle-delivered siRNA as a countermeasure against this highly lethal human disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4467030/" 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/PMC4467030/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thi, Emily P -- Mire, Chad E -- Lee, Amy C H -- Geisbert, Joan B -- Zhou, Joy Z -- Agans, Krystle N -- Snead, Nicholas M -- Deer, Daniel J -- Barnard, Trisha R -- Fenton, Karla A -- MacLachlan, Ian -- Geisbert, Thomas W -- U19 AI109711/AI/NIAID NIH HHS/ -- U19AI109711/AI/NIAID NIH HHS/ -- England -- Nature. 2015 May 21;521(7552):362-5. doi: 10.1038/nature14442. Epub 2015 Apr 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tekmira Pharmaceuticals, Burnaby, British Columbia V5J 5J8, Canada. ; 1] Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas 77550, USA [2] Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77550, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25901685" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Disease Models, Animal ; Ebolavirus/classification/*drug effects/*genetics ; Female ; Hemorrhagic Fever, Ebola/pathology/prevention & control/*therapy/*virology ; Humans ; Macaca mulatta/virology ; Male ; Nanoparticles/*administration & dosage ; RNA, Small Interfering/*administration & dosage/pharmacology/*therapeutic use ; Survival Analysis ; Time Factors ; Treatment Outcome ; Viral Load/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    Observation of the rare B(s)(0) --〉micro+micro- decay from the combined analysis of CMS and LHCb data (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-07
    Description: The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested experimentally. The probabilities, or branching fractions, of the strange B meson (B(s)(0)) and the B0 meson decaying into two oppositely charged muons (mu+ and mu-) are especially interesting because of their sensitivity to theories that extend the standard model. The standard model predicts that the B(s)(0) --〉micro+micro- and B(0) --〉micro+micro- decays are very rare, with about four of the former occurring for every billion mesons produced, and one of the latter occurring for every ten billion B0 mesons. A difference in the observed branching fractions with respect to the predictions of the standard model would provide a direction in which the standard model should be extended. Before the Large Hadron Collider (LHC) at CERN started operating, no evidence for either decay mode had been found. Upper limits on the branching fractions were an order of magnitude above the standard model predictions. The CMS (Compact Muon Solenoid) and LHCb (Large Hadron Collider beauty) collaborations have performed a joint analysis of the data from proton-proton collisions that they collected in 2011 at a centre-of-mass energy of seven teraelectronvolts and in 2012 at eight teraelectronvolts. Here we report the first observation of the B(s)(0) --〉 micro+micro- decay, with a statistical significance exceeding six standard deviations, and the best measurement so far of its branching fraction. Furthermore, we obtained evidence for the B(0) --〉 micro+micro- decay with a statistical significance of three standard deviations. Both measurements are statistically compatible with standard model predictions and allow stringent constraints to be placed on theories beyond the standard model. The LHC experiments will resume taking data in 2015, recording proton-proton collisions at a centre-of-mass energy of 13 teraelectronvolts, which will approximately double the production rates of B(s)(0) and B0 mesons and lead to further improvements in the precision of these crucial tests of the standard model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉CMS and LHCb collaborations -- England -- Nature. 2015 Jun 4;522(7554):68-72.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26047778" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Conservation: It is rational to protect Antarctica (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacquet, Jennifer -- Brooks, Cassandra -- England -- Nature. 2015 Dec 3;528(7580):39. doi: 10.1038/528039a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New York University, New York, USA. ; Stanford University, California, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26632577" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; Aquatic Organisms ; Conservation of Natural Resources/*legislation & jurisprudence ; Euphausiacea ; Fisheries/*legislation & jurisprudence ; International Cooperation/*legislation & jurisprudence ; Perciformes
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
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    Microbiology: Exclusive networks in the sea (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Limardo, Alexander J -- Worden, Alexandra Z -- England -- Nature. 2015 Jun 4;522(7554):36-7. doi: 10.1038/nature14530. Epub 2015 May 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. ; 1] Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. [2] Canadian Institute for Advanced Research, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017309" target="_blank"〉PubMed〈/a〉
    Keywords: Diatoms/*metabolism/*microbiology ; *Ecosystem ; Indoleacetic Acids/*metabolism ; Phytoplankton/*metabolism/*microbiology ; Rhodobacteraceae/*metabolism
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  • 6
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    Africa aims for research autonomy (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nordling, Linda -- England -- Nature. 2015 Apr 9;520(7546):142-3. doi: 10.1038/520142a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855436" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Financing, Organized ; International Cooperation ; Research/economics/*organization & administration ; Research Support as Topic/economics
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    Quantum physics: Squeezed ions in two places at once (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Northup, Tracy -- England -- Nature. 2015 May 21;521(7552):295-6. doi: 10.1038/521295a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Experimentalphysik, Universitat Innsbruck, Innsbruck 6020, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993955" target="_blank"〉PubMed〈/a〉
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    Misplaced faith (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jun 4;522(7554):6. doi: 10.1038/522006a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26040858" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry ; *Public Opinion ; Research Personnel/*ethics/standards ; Retraction of Publication as Topic ; Science/ethics/*standards ; Scientific Misconduct/*statistics & numerical data ; *Trust
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Genetic compensation induced by deleterious mutations but not gene knockdowns (2015)
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    Publication Date: 2015-07-15
    Description: Cells sense their environment and adapt to it by fine-tuning their transcriptome. Wired into this network of gene expression control are mechanisms to compensate for gene dosage. The increasing use of reverse genetics in zebrafish, and other model systems, has revealed profound differences between the phenotypes caused by genetic mutations and those caused by gene knockdowns at many loci, an observation previously reported in mouse and Arabidopsis. To identify the reasons underlying the phenotypic differences between mutants and knockdowns, we generated mutations in zebrafish egfl7, an endothelial extracellular matrix gene of therapeutic interest, as well as in vegfaa. Here we show that egfl7 mutants do not show any obvious phenotypes while animals injected with egfl7 morpholino (morphants) exhibit severe vascular defects. We further observe that egfl7 mutants are less sensitive than their wild-type siblings to Egfl7 knockdown, arguing against residual protein function in the mutants or significant off-target effects of the morpholinos when used at a moderate dose. Comparing egfl7 mutant and morphant proteomes and transcriptomes, we identify a set of proteins and genes that are upregulated in mutants but not in morphants. Among them are extracellular matrix genes that can rescue egfl7 morphants, indicating that they could be compensating for the loss of Egfl7 function in the phenotypically wild-type egfl7 mutants. Moreover, egfl7 CRISPR interference, which obstructs transcript elongation and causes severe vascular defects, does not cause the upregulation of these genes. Similarly, vegfaa mutants but not morphants show an upregulation of vegfab. Taken together, these data reveal the activation of a compensatory network to buffer against deleterious mutations, which was not observed after translational or transcriptional knockdown.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rossi, Andrea -- Kontarakis, Zacharias -- Gerri, Claudia -- Nolte, Hendrik -- Holper, Soraya -- Kruger, Marcus -- Stainier, Didier Y R -- England -- Nature. 2015 Aug 13;524(7564):230-3. doi: 10.1038/nature14580. Epub 2015 Jul 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26168398" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Brain/metabolism/pathology ; CRISPR-Cas Systems/genetics ; *Gene Knockdown Techniques ; Larva/genetics ; Membrane Glycoproteins/genetics ; Morpholinos/genetics ; Mutation/*genetics ; *Phenotype ; Proteome/analysis ; *RNA Interference ; Suppression, Genetic/*genetics ; Transcriptome/genetics ; Up-Regulation/*genetics ; Vascular Endothelial Growth Factor A/genetics ; Zebrafish/embryology/*genetics/metabolism ; Zebrafish Proteins/genetics
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    Architecture of the mammalian mechanosensitive Piezo1 channel (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-09-22
    Description: Piezo proteins are evolutionarily conserved and functionally diverse mechanosensitive cation channels. However, the overall structural architecture and gating mechanisms of Piezo channels have remained unknown. Here we determine the cryo-electron microscopy structure of the full-length (2,547 amino acids) mouse Piezo1 (Piezo1) at a resolution of 4.8 A. Piezo1 forms a trimeric propeller-like structure (about 900 kilodalton), with the extracellular domains resembling three distal blades and a central cap. The transmembrane region has 14 apparently resolved segments per subunit. These segments form three peripheral wings and a central pore module that encloses a potential ion-conducting pore. The rather flexible extracellular blade domains are connected to the central intracellular domain by three long beam-like structures. This trimeric architecture suggests that Piezo1 may use its peripheral regions as force sensors to gate the central ion-conducting pore.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ge, Jingpeng -- Li, Wanqiu -- Zhao, Qiancheng -- Li, Ningning -- Chen, Maofei -- Zhi, Peng -- Li, Ruochong -- Gao, Ning -- Xiao, Bailong -- Yang, Maojun -- England -- Nature. 2015 Nov 5;527(7576):64-9. doi: 10.1038/nature15247. Epub 2015 Sep 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences or Medicine, Tsinghua University, Beijing 100084, China. ; Ministry of Education, Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China. ; Department of Pharmacology and Pharmaceutical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China. ; IDG/McGovern Institute for Brain Research, Tsinghua University, Beijing 100084, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26390154" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/metabolism ; *Cryoelectron Microscopy ; Electric Conductivity ; Ion Channel Gating ; Ion Channels/*chemistry/metabolism/*ultrastructure ; Mice ; Models, Molecular ; Pliability ; Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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