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  • 1
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    Binding of transforming protein, P47gag-crk, to a broad range of phosphotyrosine-containing proteins (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-06-22
    Description: Although the oncogene product of CT10 virus, P47gag-crk, does not itself phosphorylate proteins at tyrosine residues, it elevates phosphotyrosine in transformed cells. The P47gag-crk oncoprotein contains SH2 and SH3 domains, which are conserved in several proteins involved in signal transduction, including nonreceptor tyrosine kinases. P47gag-crk bound in vitro to phosphotyrosine-containing proteins from crk-transformed cells and from cells transformed by oncogenic tyrosine kinases. The association between P47gag-crk and p60v-src, a phosphotyrosine-containing protein, was abolished by dephosphorylation of p60v-src. This suggests that the SH2 and SH3 regions function to regulate protein interactions in a phosphotyrosine-dependent manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsuda, M -- Mayer, B J -- Fukui, Y -- Hanafusa, H -- AI 07233/AI/NIAID NIH HHS/ -- CA44356/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Jun 22;248(4962):1537-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1694307" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line, Transformed ; Cell Transformation, Viral ; Oncogene Protein v-crk ; Phosphorylation ; Phosphotyrosine ; Precipitin Tests ; Protein Binding ; Protein-Tyrosine Kinases/*metabolism ; Proto-Oncogene Proteins/*metabolism ; Retroviridae Proteins/*metabolism ; *Signal Transduction ; Tyrosine/*analogs & derivatives/metabolism
    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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  • 2
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    Neutrophils scan for activated platelets to initiate inflammation (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-12-06
    Description: Immune and inflammatory responses require leukocytes to migrate within and through the vasculature, a process that is facilitated by their capacity to switch to a polarized morphology with an asymmetric distribution of receptors. We report that neutrophil polarization within activated venules served to organize a protruding domain that engaged activated platelets present in the bloodstream. The selectin ligand PSGL-1 transduced signals emanating from these interactions, resulting in the redistribution of receptors that drive neutrophil migration. Consequently, neutrophils unable to polarize or to transduce signals through PSGL-1 displayed aberrant crawling, and blockade of this domain protected mice against thromboinflammatory injury. These results reveal that recruited neutrophils scan for activated platelets, and they suggest that the neutrophils' bipolarity allows the integration of signals present at both the endothelium and the circulation before inflammation proceeds.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4280847/" 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/PMC4280847/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sreeramkumar, Vinatha -- Adrover, Jose M -- Ballesteros, Ivan -- Cuartero, Maria Isabel -- Rossaint, Jan -- Bilbao, Izaskun -- Nacher, Maria -- Pitaval, Christophe -- Radovanovic, Irena -- Fukui, Yoshinori -- McEver, Rodger P -- Filippi, Marie-Dominique -- Lizasoain, Ignacio -- Ruiz-Cabello, Jesus -- Zarbock, Alexander -- Moro, Maria A -- Hidalgo, Andres -- HL03463/HL/NHLBI NIH HHS/ -- HL085607/HL/NHLBI NIH HHS/ -- HL090676/HL/NHLBI NIH HHS/ -- P01 HL085607/HL/NHLBI NIH HHS/ -- R01 HL034363/HL/NHLBI NIH HHS/ -- R01 HL090676/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2014 Dec 5;346(6214):1234-8. doi: 10.1126/science.1256478. Epub 2014 Dec 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Atherothrombosis, Imaging and Epidemiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain. ; Unidad de Investigacion Neurovascular, Department of Pharmacology, Faculty of Medicine, Universidad Complutense and Instituto de Investigacion Hospital 12 de Octubre (i+12), Madrid, Spain. ; Department of Anesthesiology and Critical Care Medicine, University of Munster and Max Planck Institute Munster, Munster, Germany. ; Department of Atherothrombosis, Imaging and Epidemiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain. Ciber de Enfermedades Respiratorias (CIBERES), Madrid, Spain. ; Department of Atherothrombosis, Imaging and Epidemiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain. Faculty of Science, Medicine and Health, University of Wollongong, New South Wales, Australia. ; Division of Immunogenetics, Department of Immunobiology and Neuroscience, Kyushu University, Japan. ; Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA. ; Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Research Foundation, University of Cincinnati College of Medicine, Cincinnati, OH, USA. ; Department of Atherothrombosis, Imaging and Epidemiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain. Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany. ahidalgo@cnic.es.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25477463" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Circulation ; Blood Platelets/*immunology ; Cell Movement ; Cell Polarity ; Endothelium, Vascular/immunology ; Inflammation/blood/*immunology ; Male ; Membrane Glycoproteins ; Mice ; Mice, Inbred C57BL ; Neutrophils/*immunology ; *Platelet Activation ; Signal Transduction ; Thrombosis/*immunology ; Venules/immunology
    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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  • 3
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    Sequential regulation of DOCK2 dynamics by two phospholipids during neutrophil chemotaxis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-28
    Description: During chemotaxis, activation of the small guanosine triphosphatase Rac is spatially regulated to organize the extension of membrane protrusions in the direction of migration. In neutrophils, Rac activation is primarily mediated by DOCK2, an atypical guanine nucleotide exchange factor. Upon stimulation, we found that DOCK2 rapidly translocated to the plasma membrane in a phosphatidylinositol 3,4,5-trisphosphate-dependent manner. However, subsequent accumulation of DOCK2 at the leading edge required phospholipase D-mediated synthesis of phosphatidic acid, which stabilized DOCK2 there by means of interaction with a polybasic amino acid cluster, resulting in increased local actin polymerization. When this interaction was blocked, neutrophils failed to form leading edges properly and exhibited defects in chemotaxis. Thus, intracellular DOCK2 dynamics are sequentially regulated by distinct phospholipids to localize Rac activation during neutrophil chemotaxis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3761877/" 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/PMC3761877/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nishikimi, Akihiko -- Fukuhara, Hideo -- Su, Wenjuan -- Hongu, Tsunaki -- Takasuga, Shunsuke -- Mihara, Hisashi -- Cao, Qinhong -- Sanematsu, Fumiyuki -- Kanai, Motomu -- Hasegawa, Hiroshi -- Tanaka, Yoshihiko -- Shibasaki, Masakatsu -- Kanaho, Yasunori -- Sasaki, Takehiko -- Frohman, Michael A -- Fukui, Yoshinori -- R01 GM084251/GM/NIGMS NIH HHS/ -- R01GM71520/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):384-7. doi: 10.1126/science.1170179. Epub 2009 Mar 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325080" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Butanol/pharmacology ; Actins/metabolism ; Animals ; Cell Line ; Cell Membrane/*metabolism ; Cell Polarity ; *Chemotaxis, Leukocyte ; Enzyme Inhibitors/pharmacology ; GTPase-Activating Proteins/chemistry/genetics/*metabolism ; Humans ; Mice ; Neutrophils/cytology/drug effects/*physiology ; Phosphatidic Acids/*metabolism/pharmacology ; Phosphatidylinositol Phosphates/*metabolism ; Phospholipase D/genetics/metabolism ; Protein Binding ; Pseudopodia/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; rac GTP-Binding Proteins/metabolism
    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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    The HERschel Inventory of the Agents of Galaxy Evolution in the Magellanic Clouds, a HERschel Open Time Key Program (2013)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: We present an overview or the HERschel Inventory of The Agents of Galaxy Evolution (HERITAGE) in the Magellanic Clouds project, which is a Herschel Space Observatory open time key program. We mapped the Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) at 100, 160, 250, 350, and 500 micron with the Spectral and Photometric Imaging Receiver (SPIRE) and Photodetector Array Camera and Spectrometer (PACS) instruments on board Herschel using the SPIRE/PACS parallel mode. The overriding science goal of HERITAGE is to study the life cycle of matter as traced by dust in the LMC and SMC. The far-infrared and submillimeter emission is an effective tracer of the interstellar medium (ISM) dust, the most deeply embedded young stellar objects (YSOs), and the dust ejected by the most massive stars. We describe in detail the data processing, particularly for the PACS data, which required some custom steps because of the large angular extent of a single observational unit and overall the large amount of data to be processed as an ensemble. We report total global fluxes for LMC and SMC and demonstrate their agreement with measurements by prior missions. The HERITAGE maps of the LMC and SMC are dominated by the ISM dust emission and bear most resemblance to the tracers of ISM gas rather than the stellar content of the galaxies. We describe the point source extraction processing and the critetia used to establish a catalog for each waveband for the HERITAGE program. The 250 micron band is the most sensitive and the source catalogs for this band have approx. 25,000 objects for the LMC and approx. 5500 objects for the SMC. These data enable studies of ISM dust properties, submillimeter excess dust emission, dust-to-gas ratio, Class 0 YSO candidates, dusty massive evolved stars, supemova remnants (including SN1987A), H II regions, and dust evolution in the LMC and SMC. All images and catalogs are delivered to the Herschel Science Center as part of the conummity support aspects of the project. These HERITAGE images and catalogs provide an excellent basis for future research and follow up with other facilities.
    Keywords: Astrophysics
    Type: GSFC-E-DAA-TN19482 , The Astrophysical Journal; 146; 3; 62
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  • 5
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    Detailed Investigation of the Gamma-Ray Emission in the Vicinity of SNR W28 with FERMI-LAT (2014)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: We present a detailed investigation of the Gamma-ray emission in the vicinity of the supernova remnant (SNR) W28 (G6.40.1) observed by the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope. We detected significant -ray emission spatially coincident with TeV sources HESS J1800240A, B, and C, located outside the radio boundary of the SNR. Their spectra in the 2-100 GeV band are consistent with the extrapolation of the power-law spectra of the TeV sources. We also identified a new source of GeV emission, dubbed Source W, which lies outside the boundary of TeV sources and coincides with radio emission from the western part of W28. All of the GeV Gamma-ray sources overlap with molecular clouds in the velocity range from 0 to 20 km s (exp1). Under the assumption that the Gamma-ray emission toward HESS J1800240A, B, and C comes from 3.14(exp0) decay due to the interaction between the molecular clouds and cosmic rays (CRs) escaping from W28, they can be naturally explained by a single model in which the CR diffusion coefficient is smaller than the theoretical expectation in the interstellar space. The total energy of the CRs escaping from W28 is constrained through the same modeling to be larger than is approximately 2 10(exp49) erg. The emission from Source W can also be explained with the same CR escape scenario.
    Keywords: Astrophysics
    Type: GSFC-E-DAA-TN15818 , The Astrophysical Journal; 786; 2; 145
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