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  • Wiley  (7)
  • American Association for the Advancement of Science (AAAS)  (3)
  • BioMed Central
  • 2010-2014  (10)
  • 1995-1999  (1)
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  • 1
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    CMIP5 multimodel ensemble projection of storm track change under global warming (2013)
    Wiley
    Details
    Publication Date: 2013-01-03
    Description: [1]  CMIP5 multimodel ensemble projection of midlatitude storm track changes has been examined. Storm track activity is quantified by temporal variance of meridional wind and sea level pressure (psl), as well as cyclone track statistics. For the Southern Hemisphere (SH), CMIP5 models project clear poleward migration, upward expansion, and intensification of the storm track. For the Northern Hemisphere (NH), the models also project some poleward shift and upward expansion of the storm track in the upper troposphere/lower stratosphere, but mainly weakening of the storm track toward its equatorward flank in the troposphere. Consistent with these, CMIP5 models project significant increase in the frequency of extreme cyclones during the SH cool season, but significant decrease in such events in the NH. Comparisons with CMIP3 projections indicate high degrees of consistency for SH projections, but significant differences are found in the NH. Overall, CMIP5 models project larger decrease in storm track activity in the NH troposphere, especially over North America in winter, where psl variance as well as cyclone frequency and amplitude are all projected to decrease significantly. In terms of climatology, similar to CMIP3, most CMIP5 models simulate storm tracks that are too weak and display equatorward biases in their latitude. These biases have also been related to future projections. In the NH, the strength of a model's climatological storm track is negatively correlated with its projected amplitude change under global warming, while in the SH, models with large equatorward biases in storm track latitude tend to project larger poleward shifts.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 2
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    Impacts of Background Field Removal on CMIP5 Projected Changes in Pacific Winter Cyclone Activity (2013)
    Wiley
    Details
    Publication Date: 2013-12-11
    Description: [1]  Cyclones are responsible for much of the high impact weather in the extratropics, thus how they will change under global warming is of great concern. Several studies have used the multi-model climate simulations conducted under Phase 5 of the Coupled Model Intercomparison Project (CMIP5) to examine such changes. One study suggested that the frequency of strong cyclones is projected to decrease over the North Pacific, while another concluded that this frequency will increase. [2]  A single tracking algorithm has been used to derive cyclone statistics from 23 CMIP5 simulations using two different definitions of cyclones: cyclones as minima in total sea level pressure (SLP), or cyclones as minima in SLP perturbations about a large scale, low frequency background. When cyclones are defined by total SLP, the frequency of deep cyclones over the Pacific is projected to increase, while if cyclones are defined as perturbations, this frequency is projected to decrease. These differences are shown to be due to a projected deepening of the climatological mean Aleutian low. [3]  In view of these results, it is important to critically assess how cyclones should be defined. Preliminary results suggest that among CMIP5 simulations, over the Pacific, both the projected changes in the frequency of high wind events and mean available potential energy are better correlated with the projected changes in the frequency of cyclones defined as perturbations. It is concluded that more research should be done to quantify and understand the impacts of the different definitions of cyclones.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 3
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    Innate lymphoid cells promote anatomical containment of lymphoid-resident commensal bacteria (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-06-08
    Description: The mammalian intestinal tract is colonized by trillions of beneficial commensal bacteria that are anatomically restricted to specific niches. However, the mechanisms that regulate anatomical containment remain unclear. Here, we show that interleukin-22 (IL-22)-producing innate lymphoid cells (ILCs) are present in intestinal tissues of healthy mammals. Depletion of ILCs resulted in peripheral dissemination of commensal bacteria and systemic inflammation, which was prevented by administration of IL-22. Disseminating bacteria were identified as Alcaligenes species originating from host lymphoid tissues. Alcaligenes was sufficient to promote systemic inflammation after ILC depletion in mice, and Alcaligenes-specific systemic immune responses were associated with Crohn's disease and progressive hepatitis C virus infection in patients. Collectively, these data indicate that ILCs regulate selective containment of lymphoid-resident bacteria to prevent systemic inflammation associated with chronic diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3659421/" 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/PMC3659421/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sonnenberg, Gregory F -- Monticelli, Laurel A -- Alenghat, Theresa -- Fung, Thomas C -- Hutnick, Natalie A -- Kunisawa, Jun -- Shibata, Naoko -- Grunberg, Stephanie -- Sinha, Rohini -- Zahm, Adam M -- Tardif, Melanie R -- Sathaliyawala, Taheri -- Kubota, Masaru -- Farber, Donna L -- Collman, Ronald G -- Shaked, Abraham -- Fouser, Lynette A -- Weiner, David B -- Tessier, Philippe A -- Friedman, Joshua R -- Kiyono, Hiroshi -- Bushman, Frederic D -- Chang, Kyong-Mi -- Artis, David -- 2-P30 CA016520/CA/NCI NIH HHS/ -- AI061570/AI/NIAID NIH HHS/ -- AI074878/AI/NIAID NIH HHS/ -- AI083480/AI/NIAID NIH HHS/ -- AI087990/AI/NIAID NIH HHS/ -- AI095466/AI/NIAID NIH HHS/ -- AI095608/AI/NIAID NIH HHS/ -- AI47619/AI/NIAID NIH HHS/ -- K08 DK093784/DK/NIDDK NIH HHS/ -- K08-DK093784/DK/NIDDK NIH HHS/ -- P30 AI 045008/AI/NIAID NIH HHS/ -- P30DK50306/DK/NIDDK NIH HHS/ -- R01 AI061570/AI/NIAID NIH HHS/ -- R01 AI074878/AI/NIAID NIH HHS/ -- R01 AI095466/AI/NIAID NIH HHS/ -- R01 AI102942/AI/NIAID NIH HHS/ -- R21 AI083480/AI/NIAID NIH HHS/ -- R21 AI087990/AI/NIAID NIH HHS/ -- T32 AI007532/AI/NIAID NIH HHS/ -- T32 AI055428/AI/NIAID NIH HHS/ -- T32 RR007063/RR/NCRR NIH HHS/ -- T32-AI007532/AI/NIAID NIH HHS/ -- T32-AI055428/AI/NIAID NIH HHS/ -- T32-RR007063/RR/NCRR NIH HHS/ -- U01 AI095608/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2012 Jun 8;336(6086):1321-5. doi: 10.1126/science.1222551. Epub 2012 Jun 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22674331" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alcaligenes/immunology/isolation & purification/*physiology ; Animals ; Bacterial Translocation ; Crohn Disease/immunology/microbiology ; Hepatitis C, Chronic/immunology/microbiology ; Humans ; Immunity, Innate ; Inflammation ; Interleukins/administration & dosage/biosynthesis/*immunology ; Intestines/*immunology/microbiology ; Leukocyte L1 Antigen Complex/metabolism ; Liver/microbiology ; Lymph Nodes/immunology ; Lymphocytes/*immunology ; Lymphoid Tissue/*immunology/*microbiology ; Macaca mulatta ; Mice ; Mice, Inbred C57BL ; Middle Aged ; Spleen/microbiology ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Labor market returns to an early childhood stimulation intervention in Jamaica (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-05-31
    Description: A substantial literature shows that U.S. early childhood interventions have important long-term economic benefits. However, there is little evidence on this question for developing countries. We report substantial effects on the earnings of participants in a randomized intervention conducted in 1986-1987 that gave psychosocial stimulation to growth-stunted Jamaican toddlers. The intervention consisted of weekly visits from community health workers over a 2-year period that taught parenting skills and encouraged mothers and children to interact in ways that develop cognitive and socioemotional skills. The authors reinterviewed 105 out of 129 study participants 20 years later and found that the intervention increased earnings by 25%, enough for them to catch up to the earnings of a nonstunted comparison group identified at baseline (65 out of 84 participants).〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4574862/" 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/PMC4574862/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gertler, Paul -- Heckman, James -- Pinto, Rodrigo -- Zanolini, Arianna -- Vermeersch, Christel -- Walker, Susan -- Chang, Susan M -- Grantham-McGregor, Sally -- R01 HD054702/HD/NICHD NIH HHS/ -- R01HD54702/HD/NICHD NIH HHS/ -- R37 HD065072/HD/NICHD NIH HHS/ -- R37HD065072/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2014 May 30;344(6187):998-1001. doi: 10.1126/science.1251178.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California Berkeley, Berkeley, CA, USA. National Bureau of Economic Research (NBER), Cambridge, MA, USA. gertler@haas.berkeley.edu. ; University of Chicago, Chicago, IL, USA. American Bar Foundation, Chicago, IL, USA. Institute for Fiscal Studies, University College London, London, UK. ; University of Chicago, Chicago, IL, USA. ; The World Bank, Washington, DC, USA. ; The University of The West Indies, Kingston, Jamaica. ; University College London, London, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24876490" target="_blank"〉PubMed〈/a〉
    Keywords: *Child Development ; Child, Preschool ; Cognition ; Developing Countries/*statistics & numerical data ; Early Intervention (Education)/*statistics & numerical data ; Emotions ; Employment/*economics/trends ; Female ; Humans ; Infant ; Jamaica ; Male ; Mother-Child Relations/*psychology ; Parenting/psychology ; Psychology ; Salaries and Fringe Benefits/*statistics & numerical data ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Mutational analysis reveals the origin and therapy-driven evolution of recurrent glioma (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-18
    Description: Tumor recurrence is a leading cause of cancer mortality. Therapies for recurrent disease may fail, at least in part, because the genomic alterations driving the growth of recurrences are distinct from those in the initial tumor. To explore this hypothesis, we sequenced the exomes of 23 initial low-grade gliomas and recurrent tumors resected from the same patients. In 43% of cases, at least half of the mutations in the initial tumor were undetected at recurrence, including driver mutations in TP53, ATRX, SMARCA4, and BRAF; this suggests that recurrent tumors are often seeded by cells derived from the initial tumor at a very early stage of their evolution. Notably, tumors from 6 of 10 patients treated with the chemotherapeutic drug temozolomide (TMZ) followed an alternative evolutionary path to high-grade glioma. At recurrence, these tumors were hypermutated and harbored driver mutations in the RB (retinoblastoma) and Akt-mTOR (mammalian target of rapamycin) pathways that bore the signature of TMZ-induced mutagenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3998672/" 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/PMC3998672/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, Brett E -- Mazor, Tali -- Hong, Chibo -- Barnes, Michael -- Aihara, Koki -- McLean, Cory Y -- Fouse, Shaun D -- Yamamoto, Shogo -- Ueda, Hiroki -- Tatsuno, Kenji -- Asthana, Saurabh -- Jalbert, Llewellyn E -- Nelson, Sarah J -- Bollen, Andrew W -- Gustafson, W Clay -- Charron, Elise -- Weiss, William A -- Smirnov, Ivan V -- Song, Jun S -- Olshen, Adam B -- Cha, Soonmee -- Zhao, Yongjun -- Moore, Richard A -- Mungall, Andrew J -- Jones, Steven J M -- Hirst, Martin -- Marra, Marco A -- Saito, Nobuhito -- Aburatani, Hiroyuki -- Mukasa, Akitake -- Berger, Mitchel S -- Chang, Susan M -- Taylor, Barry S -- Costello, Joseph F -- 1T32CA15102201/CA/NCI NIH HHS/ -- K08 NS079485/NS/NINDS NIH HHS/ -- K08NS079485/NS/NINDS NIH HHS/ -- P01CA81403/CA/NCI NIH HHS/ -- P30 CA082103/CA/NCI NIH HHS/ -- P30CA82103/CA/NCI NIH HHS/ -- P50 CA097257/CA/NCI NIH HHS/ -- P50CA097257/CA/NCI NIH HHS/ -- R01 CA163336/CA/NCI NIH HHS/ -- R01 CA169316/CA/NCI NIH HHS/ -- R01CA163336/CA/NCI NIH HHS/ -- R01CA169316-01/CA/NCI NIH HHS/ -- R25NS070680/NS/NINDS NIH HHS/ -- T32 CA128583/CA/NCI NIH HHS/ -- T32GM008568/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2014 Jan 10;343(6167):189-93. doi: 10.1126/science.1239947. Epub 2013 Dec 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurological Surgery, University of California, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24336570" target="_blank"〉PubMed〈/a〉
    Keywords: Antineoplastic Agents, Alkylating/*adverse effects/therapeutic use ; Brain/drug effects/pathology ; Brain Neoplasms/*drug therapy/genetics/*pathology ; DNA Helicases/genetics ; DNA Mutational Analysis ; Dacarbazine/adverse effects/*analogs & derivatives/therapeutic use ; Glioma/*drug therapy/genetics/*pathology ; Humans ; Mutagenesis/drug effects ; Neoplasm Grading ; Neoplasm Recurrence, Local/*chemically induced/drug therapy/*genetics ; Nuclear Proteins/genetics ; Proto-Oncogene Proteins B-raf/genetics ; Proto-Oncogene Proteins c-akt/genetics ; TOR Serine-Threonine Kinases/genetics ; Transcription Factors/genetics ; Tumor Suppressor Protein p53/genetics
    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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  • 6
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    CMIP5 multimodel ensemble projection of storm track change under global warming (2012)
    Wiley
    Details
    Publication Date: 2012-12-15
    Description: CMIP5 multimodel ensemble projection of midlatitude storm track changes has been examined. Storm track activity is quantified by temporal variance of meridional wind and sea level pressure (psl), as well as cyclone track statistics. For the Southern Hemisphere (SH), CMIP5 models project clear poleward migration, upward expansion, and intensification of the storm track. For the Northern Hemisphere (NH), the models also project some poleward shift and upward expansion of the storm track in the upper troposphere/lower stratosphere, but mainly weakening of the storm track toward its equatorward flank in the troposphere. Consistent with these, CMIP5 models project significant increase in the frequency of extreme cyclones during the SH cool season, but significant decrease in such events in the NH. Comparisons with CMIP3 projections indicate high degrees of consistency for SH projections, but significant differences are found in the NH. Overall, CMIP5 models project larger decrease in storm track activity in the NH troposphere, especially over North America in winter, where psl variance as well as cyclone frequency and amplitude are all projected to decrease significantly. In terms of climatology, similar to CMIP3, most CMIP5 models simulate storm tracks that are too weak and display equatorward biases in their latitude. These biases have also been related to future projections. In the NH, the strength of a model's climatological storm track is negatively correlated with its projected amplitude change under global warming, while in the SH, models with large equatorward biases in storm track latitude tend to project larger poleward shifts.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 7
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    Chinese melon (Momordica charantia L.) seed: Composition and potential use (1996)
    Wiley
    Details
    Publication Date: 1996-02-01
    Print ISSN: 0003-021X
    Electronic ISSN: 1558-9331
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
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  • 8
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    Greenland Telescope Project --- Direct Confirmation of Black Hole with Sub-millimeter VLBI --- (2014)
    Wiley
    Details
    Publication Date: 2014-07-13
    Description: A 12-m diameter radio telescope will be deployed to the Summit Station in Greenland to provide direct confirmation of a Super Massive Black Hole (SMBH) by observing its shadow image in the active galaxy M87. The telescope (Greenland Telescope: GLT) is to become one of the Very Long Baseline Interferometry (VLBI) stations at sub-millimeter (submm) regime, providing the longest baseline 〉 9,000 km to achieve an exceptional angular resolution of 20 µas at 350 GHz, which will enable us to resolve the shadow size of ~40 µas. The triangle with the longest baselines formed by the GLT, the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, and the Submillimeter Array (SMA) in Hawaii will play a key role for the M87 observations. We have been working on the image simulations based on realistic conditions for a better understanding of the possible observed images. In parallel, retrofitting of the telescope and the site developments are in progress. Based on three years of opacity monitoring at 225 GHz, our measurements indicate that the site is excellent for submm observations, comparable to the ALMA site. The GLT is also expected to make single-dish observations up to 1.5 THz.
    Print ISSN: 0048-6604
    Electronic ISSN: 1944-799X
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 9
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    What is the effect of unresolved internal climate variability on climate sensitivity estimates? (2013)
    Wiley
    Details
    Publication Date: 2013-04-09
    Description: [1]  Many studies have attempted to estimate the equilibrium climate sensitivity (CS) to the doubling of CO 2 concentrations. One common methodology is to compare versions of Earth Models of Intermediate Complexity (EMICs) to spatially and/or temporally averaged historical observations. Despite the persistent efforts, CS remains uncertain. It is, thus far, unclear what is driving this uncertainty. Moreover, the effects of the internal climate variability on the CS estimates obtained using this method have not received thorough attention in the literature. [2]  Using a statistical approximator (“emulator”) of an EMIC, we show in an observation system simulation study, that unresolved internal climate variability appears to be a key driver of CS uncertainty (as measured by the 68% credible interval). We first simulate many realizations of pseudo-observations from an emulator at a “true” prescribed CS, and then re-estimate the CS using the pseudo-observations and an inverse parameter estimation method. [3]  We demonstrate that a single realization of the internal variability can result in a sizable discrepancy between the best CS estimate and the truth. Specifically, the average discrepancy is 0.84 °C, with the feasible range up to several °C. The results open the possibility that recent climate sensitivity estimates from global observations and EMICs are systematically considerably lower or higher than the truth, since they are typically based on the same realization of climate variability. This possibility should be investigated in future work. We also find that estimation uncertainties increase at higher climate sensitivities, suggesting that a high CS might be difficult to detect.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
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  • 10
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    Design and Experimental Investigation of Calcium Looping Process for 3-kWthand 1.9-MWthFacilities (2013)
    Wiley
    Details
    Publication Date: 2013-08-02
    Print ISSN: 0930-7516
    Electronic ISSN: 1521-4125
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
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