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  • Cells, Cultured  (166)
  • Temperature  (161)
  • American Association for the Advancement of Science (AAAS)  (326)
  • 2000-2004  (192)
  • 1995-1999  (134)
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  • American Association for the Advancement of Science (AAAS)  (326)
  • Springer  (9)
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  • 1
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    Collapse of the California Current during glacial maxima linked to climate change on land (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-07-07
    Description: Time series of alkenone unsaturation indices gathered along the California margin reveal large (4 degrees to 8 degrees C) glacial-interglacial changes in sea surface temperature (SST) over the past 550,000 years. Interglacial times with SSTs equal to or exceeding that of the Holocene contain peak abundances in the pollen of redwood, the distinctive component of the temperate rainforest of the northwest coast of California. In the region now dominated by the California Current, SSTs warmed 10,000 to 15,000 years in advance of deglaciation at each of the past five glacial maxima. SSTs did not rise in advance of deglaciation south of the modern California Current front. Glacial warming along the California margin therefore is a regional signal of the weakening of the California Current during times when large ice sheets reorganized wind systems over the North Pacific. Both the timing and magnitude of the SST estimates suggest that the Devils Hole (Nevada) calcite record represents regional but not global paleotemperatures, and hence does not pose a fundamental challenge to the orbital ("Milankovitch") theory of the Ice Ages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herbert, T D -- Schuffert, J D -- Andreasen, D -- Heusser, L -- Lyle, M -- Mix, A -- Ravelo, A C -- Stott, L D -- Herguera, J C -- New York, N.Y. -- Science. 2001 Jul 6;293(5527):71-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological Sciences, Brown University, Providence, RI 02912, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11441174" target="_blank"〉PubMed〈/a〉
    Keywords: Calcium Carbonate ; California ; *Climate ; Diatoms/physiology ; *Ice ; Models, Biological ; Nevada ; Pacific Ocean ; Pollen ; *Seawater/analysis ; Temperature ; Trees/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    BLyS: member of the tumor necrosis factor family and B lymphocyte stimulator (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-10
    Description: The tumor necrosis factor (TNF) superfamily of cytokines includes both soluble and membrane-bound proteins that regulate immune responses. A member of the human TNF family, BLyS (B lymphocyte stimulator), was identified that induced B cell proliferation and immunoglobulin secretion. BLyS expression on human monocytes could be up-regulated by interferon-gamma. Soluble BLyS functioned as a potent B cell growth factor in costimulation assays. Administration of soluble recombinant BLyS to mice disrupted splenic B and T cell zones and resulted in elevated serum immunoglobulin concentrations. The B cell tropism of BLyS is consistent with its receptor expression on B-lineage cells. The biological profile of BLyS suggests it is involved in monocyte-driven B cell activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, P A -- Belvedere, O -- Orr, A -- Pieri, K -- LaFleur, D W -- Feng, P -- Soppet, D -- Charters, M -- Gentz, R -- Parmelee, D -- Li, Y -- Galperina, O -- Giri, J -- Roschke, V -- Nardelli, B -- Carrell, J -- Sosnovtseva, S -- Greenfield, W -- Ruben, S M -- Olsen, H S -- Fikes, J -- Hilbert, D M -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):260-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genome Sciences, 9410 Key West Avenue, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10398604" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; B-Cell Activating Factor ; B-Cell Activation Factor Receptor ; B-Lymphocyte Subsets/immunology ; B-Lymphocytes/*immunology ; Cell Line ; Cells, Cultured ; Humans ; Immunoglobulins/blood ; Interferon-gamma/pharmacology ; *Lymphocyte Activation ; Membrane Proteins/chemistry/genetics/pharmacology/*physiology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Monocytes/*immunology ; Receptors, Cytokine/metabolism ; Receptors, Tumor Necrosis Factor/metabolism ; Recombinant Proteins/pharmacology ; Sequence Alignment ; Species Specificity ; Tumor Necrosis Factor-alpha/chemistry/genetics/pharmacology/*physiology ; Up-Regulation
    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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    A natural product that lowers cholesterol as an antagonist ligand for FXR (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-04
    Description: Extracts of the resin of the guggul tree (Commiphora mukul) lower LDL (low-density lipoprotein) cholesterol levels in humans. The plant sterol guggulsterone [4,17(20)-pregnadiene-3,16-dione] is the active agent in this extract. We show that guggulsterone is a highly efficacious antagonist of the farnesoid X receptor (FXR), a nuclear hormone receptor that is activated by bile acids. Guggulsterone treatment decreases hepatic cholesterol in wild-type mice fed a high-cholesterol diet but is not effective in FXR-null mice. Thus, we propose that inhibition of FXR activation is the basis for the cholesterol-lowering activity of guggulsterone. Other natural products with specific biologic effects may modulate the activity of FXR or other relatively promiscuous nuclear hormone receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Urizar, Nancy L -- Liverman, Amy B -- Dodds, D'Nette T -- Silva, Frank Valentin -- Ordentlich, Peter -- Yan, Yingzhuo -- Gonzalez, Frank J -- Heyman, Richard A -- Mangelsdorf, David J -- Moore, David D -- New York, N.Y. -- Science. 2002 May 31;296(5573):1703-6. Epub 2002 May 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11988537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Caco-2 Cells ; Carrier Proteins/genetics/metabolism ; Cells, Cultured ; Chenodeoxycholic Acid/pharmacology ; Cholesterol/*metabolism ; Cholesterol, Dietary/administration & dosage ; DNA/metabolism ; DNA-Binding Proteins/*antagonists & inhibitors/chemistry/genetics/*metabolism ; Hepatocytes/metabolism ; Histone Acetyltransferases ; Humans ; *Hydroxysteroid Dehydrogenases ; Hypolipidemic Agents/metabolism/*pharmacology ; Ligands ; Liver/metabolism ; *Membrane Glycoproteins ; Mice ; Nuclear Receptor Coactivator 1 ; Pregnenediones/metabolism/*pharmacology ; Promoter Regions, Genetic ; Protein Structure, Tertiary ; Receptors, Cytoplasmic and Nuclear/antagonists & inhibitors/genetics/metabolism ; Receptors, Steroid/antagonists & inhibitors/metabolism ; Transcription Factors/*antagonists & inhibitors/chemistry/genetics/*metabolism ; Transcriptional Activation/drug effects ; Transfection ; Tumor Cells, Cultured
    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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  • 4
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    Observations of comet 19P/Borrelly by the miniature integrated camera and spectrometer aboard Deep Space 1 (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-04-06
    Description: The nucleus of the Jupiter-family comet 19P/Borrelly was closely observed by the Miniature Integrated Camera and Spectrometer aboard the Deep Space 1 spacecraft on 22 September 2001. The 8-kilometer-long body is highly variegated on a scale of 200 meters, exhibiting large albedo variations (0.01 to 0.03) and complex geologic relationships. Short-wavelength infrared spectra (1.3 to 2.6 micrometers) show a slope toward the red and a hot, dry surface (〈/=345 kelvin, with no trace of water ice or hydrated minerals), consistent with approximately 10% or less of the surface actively sublimating. Borrelly's coma exhibits two types of dust features: fans and highly collimated jets. At encounter, the near-nucleus coma was dominated by a prominent dust jet that resolved into at least three smaller jets emanating from a broad basin in the middle of the nucleus. Because the major dust jet remained fixed in orientation, it is evidently aligned near the rotation axis of the nucleus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soderblom, L A -- Becker, T L -- Bennett, G -- Boice, D C -- Britt, D T -- Brown, R H -- Buratti, B J -- Isbell, C -- Giese, B -- Hare, T -- Hicks, M D -- Howington-Kraus, E -- Kirk, R L -- Lee, M -- Nelson, R M -- Oberst, J -- Owen, T C -- Rayman, M D -- Sandel, B R -- Stern, S A -- Thomas, N -- Yelle, R V -- New York, N.Y. -- Science. 2002 May 10;296(5570):1087-91. Epub 2002 Apr 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉United States Geological Survey, 2255 North Gemini Drive, Flagstaff, AZ 86001, USA. lsoderblom@usgs.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11934989" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon/analysis ; Cosmic Dust ; Hydrocarbons/analysis ; *Meteoroids ; Spectrum Analysis ; Temperature
    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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  • 5
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    Jupiter's atmospheric composition from the Cassini thermal infrared spectroscopy experiment (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-08-21
    Description: The Composite Infrared Spectrometer observed Jupiter in the thermal infrared during the swing-by of the Cassini spacecraft. Results include the detection of two new stratospheric species, the methyl radical and diacetylene, gaseous species present in the north and south auroral infrared hot spots; determination of the variations with latitude of acetylene and ethane, the latter a tracer of atmospheric motion; observations of unexpected spatial distributions of carbon dioxide and hydrogen cyanide, both considered to be products of comet Shoemaker-Levy 9 impacts; characterization of the morphology of the auroral infrared hot spot acetylene emission; and a new evaluation of the energetics of the northern auroral infrared hot spot.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kunde, V G -- Flasar, F M -- Jennings, D E -- Bezard, B -- Strobel, D F -- Conrath, B J -- Nixon, C A -- Bjoraker, G L -- Romani, P N -- Achterberg, R K -- Simon-Miller, A A -- Irwin, P -- Brasunas, J C -- Pearl, J C -- Smith, M D -- Orton, G S -- Gierasch, P J -- Spilker, L J -- Carlson, R C -- Mamoutkine, A A -- Calcutt, S B -- Read, P L -- Taylor, F W -- Fouchet, T -- Parrish, P -- Barucci, A -- Courtin, R -- Coustenis, A -- Gautier, D -- Lellouch, E -- Marten, A -- Prange, R -- Biraud, Y -- Ferrari, C -- Owen, T C -- Abbas, M M -- Samuelson, R E -- Raulin, F -- Ade, P -- Cesarsky, C J -- Grossman, K U -- Coradini, A -- New York, N.Y. -- Science. 2004 Sep 10;305(5690):1582-6. Epub 2004 Aug 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Astronomy, University of Maryland, College Park, MD 20742, USA. Virgil.G.Kunde.1@gsfc.nasa.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15319491" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylene ; Atmosphere ; *Carbon Dioxide ; Ethane ; Extraterrestrial Environment ; *Hydrocarbons ; *Hydrogen Cyanide ; *Jupiter ; Spacecraft ; Spectrum Analysis ; Temperature
    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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    Initial results from the Mini-TES experiment in Gusev Crater from the Spirit Rover (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-08-07
    Description: The Miniature Thermal Emission Spectrometer (Mini-TES) on Spirit has studied the mineralogy and thermophysical properties at Gusev crater. Undisturbed soil spectra show evidence for minor carbonates and bound water. Rocks are olivinerich basalts with varying degrees of dust and other coatings. Dark-toned soils observed on disturbed surfaces may be derived from rocks and have derived mineralogy (+/-5 to 10%) of 45% pyroxene (20% Ca-rich pyroxene and 25% pigeonite), 40% sodic to intermediate plagioclase, and 15% olivine (forsterite 45% +/-5 to 10). Two spectrally distinct coatings are observed on rocks, a possible indicator of the interaction of water, rock, and airfall dust. Diurnal temperature data indicate particle sizes from 40 to 80 microm in hollows to approximately 0.5 to 3 mm in soils.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Christensen, P R -- Ruff, S W -- Fergason, R L -- Knudson, A T -- Anwar, S -- Arvidson, R E -- Bandfield, J L -- Blaney, D L -- Budney, C -- Calvin, W M -- Glotch, T D -- Golombek, M P -- Gorelick, N -- Graff, T G -- Hamilton, V E -- Hayes, A -- Johnson, J R -- McSween, H Y Jr -- Mehall, G L -- Mehall, L K -- Moersch, J E -- Morris, R V -- Rogers, A D -- Smith, M D -- Squyres, S W -- Wolff, M J -- Wyatt, M B -- New York, N.Y. -- Science. 2004 Aug 6;305(5685):837-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological Sciences, Arizona State University, Tempe, AZ 85287, USA. phil.christensen@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15297667" target="_blank"〉PubMed〈/a〉
    Keywords: Carbonates ; Geologic Sediments ; Interferometry ; Iron Compounds ; Magnesium Compounds ; *Mars ; *Minerals ; Oxides ; Silicates ; Spectrum Analysis ; Temperature ; Water
    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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  • 7
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    Integrase inhibitors and cellular immunity suppress retroviral replication in rhesus macaques (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-07-13
    Description: We describe the efficacy of L-870812, an inhibitor of HIV-1 and SIV integrase, in rhesus macaques infected with the simian-human immunodeficiency virus (SHIV) 89.6P. When initiated before CD4 cell depletion, L-870812 therapy mediated a sustained suppression of viremia, preserving CD4 levels and permitting the induction of virus-specific cellular immunity. L-870812 was also active in chronic infection; however, the magnitude and durability of the effect varied in conjunction with the pretreatment immune response and viral load. These studies demonstrate integrase inhibitor activity in vivo and suggest that cellular immunity facilitates chemotherapeutic efficacy in retroviral infections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hazuda, Daria J -- Young, Steven D -- Guare, James P -- Anthony, Neville J -- Gomez, Robert P -- Wai, John S -- Vacca, Joseph P -- Handt, Larry -- Motzel, Sherri L -- Klein, Hilton J -- Dornadula, Geethanjali -- Danovich, Robert M -- Witmer, Marc V -- Wilson, Keith A A -- Tussey, Lynda -- Schleif, William A -- Gabryelski, Lori S -- Jin, Lixia -- Miller, Michael D -- Casimiro, Danilo R -- Emini, Emilio A -- Shiver, John W -- New York, N.Y. -- Science. 2004 Jul 23;305(5683):528-32. Epub 2004 Jul 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Merck Research Laboratories, Post Office Box 4, West Point, PA 19486, USA. daria_hazuda@merck.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247437" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy/*immunology/virology ; Animals ; Anti-HIV Agents/administration & dosage/blood/pharmacology/therapeutic use ; CD4 Lymphocyte Count ; CD4-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/immunology ; Cells, Cultured ; Drug Resistance, Viral ; HIV Integrase/genetics/metabolism ; HIV Integrase Inhibitors/administration & dosage/blood/pharmacology/therapeutic ; use ; HIV-1/drug effects/enzymology/genetics/*physiology ; Immunity, Cellular ; Integrase Inhibitors/administration & dosage/blood/pharmacology/*therapeutic use ; Integrases/genetics/metabolism ; Leukocytes, Mononuclear/virology ; Macaca mulatta ; Mutation ; Naphthyridines/administration & dosage/blood/pharmacology/*therapeutic use ; Simian Acquired Immunodeficiency Syndrome/*drug therapy/*immunology/virology ; Simian Immunodeficiency Virus/drug effects/enzymology/genetics/*physiology ; Viral Load ; Viremia/drug therapy ; Virus Replication/drug effects
    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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  • 8
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    Antiviral effect and ex vivo CD4+ T cell proliferation in HIV-positive patients as a result of CD28 costimulation (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-06-28
    Description: Because stimulation of CD4+ lymphocytes leads to activation of human immunodeficiency virus-type 1 (HIV-1) replication, viral spread, and cell death, adoptive CD4+ T cell therapy has not been possible. When antigen and CD28 receptors on cultured T cells were stimulated by monoclonal antibodies (mAbs) to CD3 and CD28 that had been immobilized, there was an increase in the number of polyclonal CD4+ T cells from HIV-infected donors. Activated cells predominantly secreted cytokines associated with T helper cell type 1 function. The HIV-1 viral load declined in the absence of antiretroviral agents. Moreover, CD28 stimulation of CD4+ T cells from uninfected donors rendered these cells highly resistant to HIV-1 infection. Immobilization of CD28 mAb was crucial to the development of HIV resistance, as cells stimulated with soluble CD28 mAb were highly susceptible to HIV infection. The CD28-mediated antiviral effect occurred early in the viral life cycle, before HIV-1 DNA integration. These data may facilitate immune reconstitution and gene therapy approaches in persons with HIV infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levine, B L -- Mosca, J D -- Riley, J L -- Carroll, R G -- Vahey, M T -- Jagodzinski, L L -- Wagner, K F -- Mayers, D L -- Burke, D S -- Weislow, O S -- St Louis, D C -- June, C H -- AI29331/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1996 Jun 28;272(5270):1939-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Naval Medical Research Institute, Bethesda, Maryland 20889, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8658167" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Monoclonal/immunology ; Antigens, CD28/*immunology ; Antigens, CD3/immunology ; CD4 Lymphocyte Count ; CD4-Positive T-Lymphocytes/cytology/*immunology/*virology ; Cell Division ; Cells, Cultured ; Chemokines/metabolism ; Cytokines/metabolism ; HIV Infections/immunology/*virology ; HIV-1/immunology/*physiology ; Humans ; Interleukin-2/pharmacology ; *Lymphocyte Activation ; Phytohemagglutinins/pharmacology ; Virus Integration ; Virus Replication
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Role of Raf in vascular protection from distinct apoptotic stimuli (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-07-05
    Description: Raf kinases have been linked to endothelial cell survival. Here, we show that basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) differentially activate Raf, resulting in protection from distinct pathways of apoptosis in human endothelial cells and chick embryo vasculature. bFGF activated Raf-1 via p21-activated protein kinase-1 (PAK-1) phosphorylation of serines 338 and 339, resulting in Raf-1 mitochondrial translocation and endothelial cell protection from the intrinsic pathway of apoptosis, independent of the mitogen-activated protein kinase kinase-1 (MEK1). In contrast, VEGF activated Raf-1 via Src kinase, leading to phosphorylation of tyrosines 340 and 341 and MEK1-dependent protection from extrinsic-mediated apoptosis. These findings implicate Raf-1 as a pivotal regulator of endothelial cell survival during angiogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alavi, Alireza -- Hood, John D -- Frausto, Ricardo -- Stupack, Dwayne G -- Cheresh, David A -- CA45726/CA/NCI NIH HHS/ -- CA50286/CA/NCI NIH HHS/ -- CA75924/CA/NCI NIH HHS/ -- P01 CA78045/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):94-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843393" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Cell Survival ; Cells, Cultured ; Chick Embryo ; Endothelial Growth Factors/pharmacology ; Endothelium, Vascular/*cytology/drug effects ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Fibroblast Growth Factor 2/pharmacology ; Flavonoids/pharmacology ; Humans ; Intercellular Signaling Peptides and Proteins/pharmacology ; Lymphokines/pharmacology ; MAP Kinase Kinase 1 ; Mitochondria/metabolism ; Mitogen-Activated Protein Kinase 1/metabolism ; Mitogen-Activated Protein Kinase 3 ; Mitogen-Activated Protein Kinase Kinases/antagonists & inhibitors/metabolism ; Mitogen-Activated Protein Kinases/metabolism ; Neovascularization, Pathologic ; *Neovascularization, Physiologic/drug effects ; Phosphorylation ; Point Mutation ; Protein Transport ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism ; Proto-Oncogene Proteins B-raf ; Proto-Oncogene Proteins c-raf/chemistry/genetics/*metabolism ; Signal Transduction ; Umbilical Veins ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors ; p21-Activated Kinases ; src-Family Kinases/antagonists & inhibitors/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Requirement of JNK for stress-induced activation of the cytochrome c-mediated death pathway (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-05-08
    Description: The c-Jun NH2-terminal kinase (JNK) is activated when cells are exposed to ultraviolet (UV) radiation. However, the functional consequence of JNK activation in UV-irradiated cells has not been established. It is shown here that JNK is required for UV-induced apoptosis in primary murine embryonic fibroblasts. Fibroblasts with simultaneous targeted disruptions of all the functional Jnk genes were protected against UV-stimulated apoptosis. The absence of JNK caused a defect in the mitochondrial death signaling pathway, including the failure to release cytochrome c. These data indicate that mitochondria are influenced by proapoptotic signal transduction through the JNK pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tournier, C -- Hess, P -- Yang, D D -- Xu, J -- Turner, T K -- Nimnual, A -- Bar-Sagi, D -- Jones, S N -- Flavell, R A -- Davis, R J -- New York, N.Y. -- Science. 2000 May 5;288(5467):870-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Program in Molecular Medicine, Department of Biochemistry & Molecular Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10797012" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Apoptotic Protease-Activating Factor 1 ; Caspase 3 ; Caspase 9 ; Caspases/metabolism ; Cell Count ; Cell Division ; Cells, Cultured ; Cytochrome c Group/*metabolism ; DNA Fragmentation ; Enzyme Activation ; Fibroblasts ; Gene Targeting ; JNK Mitogen-Activated Protein Kinases ; MAP Kinase Signaling System ; Methyl Methanesulfonate/pharmacology ; Mice ; Mitochondria/metabolism ; Mitogen-Activated Protein Kinases/genetics/*metabolism ; NF-kappa B/metabolism ; *Protein-Serine-Threonine Kinases ; Proteins/metabolism ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; Proto-Oncogene Proteins c-bcl-2/metabolism ; Tumor Suppressor Protein p53/metabolism ; Ultraviolet Rays
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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