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  • 1
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    The interaction of tube waves with borehole fractures, Part I: Numerical models (1998)
    In:  Geophysics, Warszawa, Conseil de l'Europe, vol. 63, no. 3, pp. 800-808, pp. L10608, (ISSN: 1340-4202)
    Details
    Publication Date: 1998
    Keywords: Borehole geophys. ; Applied geophysics ; Channel waves ; cracks and fractures (.NE. fracturing) ; Modelling
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    The interaction of tube waves with borehole fractures, Part II: Analytical models (1998)
    In:  Geophysics, Warszawa, Conseil de l'Europe, vol. 63, no. 3, pp. 809-815, pp. L10608, (ISSN: 1340-4202)
    Details
    Publication Date: 1998
    Keywords: Borehole geophys. ; Applied geophysics ; Channel waves ; cracks and fractures (.NE. fracturing) ; Modelling
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Modeling two-dimensional magnetic resonance measurements in coupled pore systems (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-10-01
    Description: Author(s): L. M. Schwartz, D. L. Johnson, J. Mitchell, T. C. Chandrasekera, and E. J. Fordham We present numerical simulations of a two-dimensional (2D) nuclear magnetic resonance process, T 2 -storage- T 2 , on a simple mixed porosity system, the micrograin consolidation ( μ GC) model. The results of these calculations are compared with predictions based on the analytic two-site exchange model, fo... [Phys. Rev. E 88, 032813] Published Mon Sep 30, 2013
    Keywords: Networks and Interdisciplinary Physics
    Print ISSN: 1539-3755
    Electronic ISSN: 1550-2376
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Experimental Identification of Diffusive Coupling Using 2D NMR (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-12-05
    Description: Author(s): Y.-Q. Song, G. Carneiro, L. M. Schwartz, and D. L. Johnson Spin relaxation based nuclear magnetic resonance (NMR) methods have been used extensively to determine pore size distributions in a variety of materials. This approach is based on the assumption that each pore is in the fast diffusion limit but that diffusion between pores can be neglected. However,... [Phys. Rev. Lett. 113, 235503] Published Thu Dec 04, 2014
    Keywords: Condensed Matter: Structure, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    Crystallographic evidence for preformed dimers of erythropoietin receptor before ligand activation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-12
    Description: Erythropoietin receptor (EPOR) is thought to be activated by ligand-induced homodimerization. However, structures of agonist and antagonist peptide complexes of EPOR, as well as an EPO-EPOR complex, have shown that the actual dimer configuration is critical for the biological response and signal efficiency. The crystal structure of the extracellular domain of EPOR in its unliganded form at 2.4 angstrom resolution has revealed a dimer in which the individual membrane-spanning and intracellular domains would be too far apart to permit phosphorylation by JAK2. This unliganded EPOR dimer is formed from self-association of the same key binding site residues that interact with EPO-mimetic peptide and EPO ligands. This model for a preformed dimer on the cell surface provides insights into the organization, activation, and plasticity of recognition of hematopoietic cell surface receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Livnah, O -- Stura, E A -- Middleton, S A -- Johnson, D L -- Jolliffe, L K -- Wilson, I A -- GM49497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 12;283(5404):987-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Skaggs Institute of Chemical Biology, The 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/9974392" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Membrane/chemistry ; Crystallography, X-Ray ; Dimerization ; Erythropoietin/metabolism ; Humans ; Hydrogen Bonding ; Janus Kinase 2 ; Ligands ; Models, Molecular ; Peptide Fragments/*chemistry/metabolism ; Peptides, Cyclic/metabolism ; Protein Conformation ; Protein-Tyrosine Kinases/metabolism ; *Proto-Oncogene Proteins ; Receptors, Erythropoietin/*chemistry/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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  • 6
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    Human melanoma-initiating cells express neural crest nerve growth factor receptor CD271 (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-07-03
    Description: The question of whether tumorigenic cancer stem cells exist in human melanomas has arisen in the last few years. Here we show that in melanomas, tumour stem cells (MTSCs, for melanoma tumour stem cells) can be isolated prospectively as a highly enriched CD271(+) MTSC population using a process that maximizes viable cell transplantation. The tumours sampled in this study were taken from a broad spectrum of sites and stages. High-viability cells isolated by fluorescence-activated cell sorting and re-suspended in a matrigel vehicle were implanted into T-, B- and natural-killer-deficient Rag2(-/-)gammac(-/-) mice. The CD271(+) subset of cells was the tumour-initiating population in 90% (nine out of ten) of melanomas tested. Transplantation of isolated CD271(+) melanoma cells into engrafted human skin or bone in Rag2(-/-)gammac(-/-) mice resulted in melanoma; however, melanoma did not develop after transplantation of isolated CD271(-) cells. We also show that in mice, tumours derived from transplanted human CD271(+) melanoma cells were capable of metastatsis in vivo. CD271(+) melanoma cells lacked expression of TYR, MART1 and MAGE in 86%, 69% and 68% of melanoma patients, respectively, which helps to explain why T-cell therapies directed at these antigens usually result in only temporary tumour shrinkage.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2898751/" 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/PMC2898751/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boiko, Alexander D -- Razorenova, Olga V -- van de Rijn, Matt -- Swetter, Susan M -- Johnson, Denise L -- Ly, Daphne P -- Butler, Paris D -- Yang, George P -- Joshua, Benzion -- Kaplan, Michael J -- Longaker, Michael T -- Weissman, Irving L -- 1RC2 DE02077-01/DE/NIDCR NIH HHS/ -- F32 CA126252/CA/NCI NIH HHS/ -- F32 CA126252-03/CA/NCI NIH HHS/ -- UL1 RR025744/RR/NCRR NIH HHS/ -- England -- Nature. 2010 Jul 1;466(7302):133-7. doi: 10.1038/nature09161.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Stem Cell Biology and Regenerative Medicine, Stanford Cancer Center, Stanford University School of Medicine, Stanford, California 94304-5542, USA. aboiko@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20596026" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/analysis/metabolism ; Bone Transplantation ; Bone and Bones/pathology ; DNA-Binding Proteins/deficiency/genetics ; Humans ; Lung Neoplasms/secondary ; Melanoma/*metabolism/*pathology ; Melanoma-Specific Antigens ; Mice ; Mice, Knockout ; Neoplasm Metastasis ; Neoplasm Proteins/analysis/metabolism ; Neoplasm Transplantation ; Neoplastic Stem Cells/cytology/*metabolism/*pathology/transplantation ; Nerve Tissue Proteins/deficiency/genetics/*metabolism ; Neural Crest/cytology/*metabolism/pathology ; Receptors, Nerve Growth Factor/deficiency/genetics/*metabolism ; Skin/pathology ; Skin Transplantation ; Transplantation, Heterologous/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 7
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    Cell biology. RNA metabolism and oncogenesis (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, Deborah L -- Johnson, Sandra A S -- New York, N.Y. -- Science. 2008 Apr 25;320(5875):461-2. doi: 10.1126/science.1158680.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Southern California, Los Angeles, CA 90033, USA. johnsond@hsc.usc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18436765" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Proliferation ; *Cell Transformation, Neoplastic ; Mice ; Nuclear Proteins/metabolism ; *Protein Biosynthesis ; RNA/genetics/*metabolism ; RNA Polymerase III/*metabolism ; RNA, Messenger/genetics/metabolism ; RNA, Ribosomal/metabolism ; RNA, Transfer/*metabolism ; RNA, Transfer, Met/metabolism ; RNA-Binding Proteins/metabolism ; Signal Transduction ; Transcription Factors, General/metabolism ; Transcription Factors, TFIII/metabolism ; *Transcription, Genetic
    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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  • 8
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    Gender differences and performance in science (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Carol B -- Ride, Sally M -- Fouke, Janie -- Whitney, Telle -- Denton, Denice D -- Cantor, Nancy -- Nelson, Donna J -- Plummer, Jim -- Busch-Vishniac, Ilene -- Meyers, Carolyn -- Rosser, Sue V -- Schiebinger, Londa -- Roberts, Eric -- Burgess, David -- Beeson, Craig -- Metz, Susan Staffin -- Sanders, Lucinda -- Watford, Bevlee A -- Ivey, Elizabeth S -- Frank Fox, Mary -- Wettack, Sheldon -- Klawe, Maria -- Wulf, William A -- Girgus, Joan -- Leboy, Phoebe S -- Babco, Eleanor L -- Shanahan, Betty -- Didion, Catherine -- Chubin, Daryl E -- Frize, Monique -- Ganter, Susan L -- Nalley, E Ann -- Franz, Judy -- Abruna, Hector D -- Strober, Myra H -- Zimmer Daniels, Jane -- Carter, Emily A -- Rhodes, Jean H -- Schrijver, Iris -- Zakian, Virginia A -- Simons, Barbara -- Martin, Ursula -- Boaler, Jo -- Jolluck, Katherine Rose -- Mankekar, Purnima -- Gray, Robert M -- Conkey, Margaret W -- Stansky, Peter -- Xie, Aihua -- Martin, Pino -- Katehi, Linda P B -- Miller, Jo Anne -- Tess Thornton, Amelia -- Lapaugh, Andrea -- Rhode, Deborah L -- Gelpi, Barbara C -- Harrold, Mary Jean -- Spencer, Cherrill M -- Schlatter Ellis, Carla -- Lord, Susan -- Quinn, Helen -- Murnane, Margaret -- Jones, Patricia P -- Hellman, Frances -- Wight, Gail -- O'hara, Ruth -- Pickering, Mary -- Sheppard, Sheri -- Leith, David -- Paytan, Adina -- Sommer, Matthew H -- Shafer, Audrey -- Grusky, David -- Yennello, Sherry -- Madan, Ashima -- Johnson, Denise L -- Yanagisako, Sylvia -- Chou-Green, Jennifer M -- Robinson, Sandra -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1043.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718449" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Female ; Humans ; Male ; *Science ; *Sex Characteristics ; Social Change
    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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  • 9
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    Functional mimicry of a protein hormone by a peptide agonist: the EPO receptor complex at 2.8 A (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-07-26
    Description: The functional mimicry of a protein by an unrelated small molecule has been a formidable challenge. Now, however, the biological activity of a 166-residue hematopoietic growth hormone, erythropoietin (EPO), with its class 1 cytokine receptor has been mimicked by a 20-residue cyclic peptide unrelated in sequence to the natural ligand. The crystal structure at 2.8 A resolution of a complex of this agonist peptide with the extracellular domain of EPO receptor reveals that a peptide dimer induces an almost perfect twofold dimerization of the receptor. The dimer assembly differs from that of the human growth hormone (hGH) receptor complex and suggests that more than one mode of dimerization may be able to induce signal transduction and cell proliferation. The EPO receptor binding site, defined by peptide interaction, corresponds to the smaller functional epitope identified for hGH receptor. Similarly, the EPO mimetic peptide ligand can be considered as a minimal hormone, and suggests the design of nonpeptidic small molecule mimetics for EPO and other cytokines may indeed be achievable.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Livnah, O -- Stura, E A -- Johnson, D L -- Middleton, S A -- Mulcahy, L S -- Wrighton, N C -- Dower, W J -- Jolliffe, L K -- Wilson, I A -- GM-49497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Jul 26;273(5274):464-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and the Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10666 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/8662530" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Drug Design ; Erythropoietin/*chemistry/*metabolism ; Growth Hormone/chemistry/metabolism ; Humans ; Hydrogen Bonding ; Models, Molecular ; *Molecular Mimicry ; Molecular Sequence Data ; Peptides, Cyclic/*chemistry/*metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Receptors, Erythropoietin/*agonists/chemistry/metabolism ; Receptors, Somatotropin/chemistry/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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  • 10
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    Small peptides as potent mimetics of the protein hormone erythropoietin (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-07-26
    Description: Random phage display peptide libraries and affinity selective methods were used to isolate small peptides that bind to and activate the receptor for the cytokine erythropoietin (EPO). In a panel of in vitro biological assays, the peptides act as full agonists and they can also stimulate erythropoiesis in mice. These agonists are represented by a 14- amino acid disulfide-bonded, cyclic peptide with the minimum consensus sequence YXCXXGPXTWXCXP, where X represents positions allowing occupation by several amino acids. The amino acid sequences of these peptides are not found in the primary sequence of EPO. The signaling pathways activated by these peptides appear to be identical to those induced by the natural ligand. This discovery may form the basis for the design of small molecule mimetics of EPO.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wrighton, N C -- Farrell, F X -- Chang, R -- Kashyap, A K -- Barbone, F P -- Mulcahy, L S -- Johnson, D L -- Barrett, R W -- Jolliffe, L K -- Dower, W J -- New York, N.Y. -- Science. 1996 Jul 26;273(5274):458-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Affymax Research Institute, 4001 Miranda Avenue, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8662529" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bacteriophages ; Cell Division/drug effects ; Cell Line ; Cloning, Molecular ; Erythropoiesis/drug effects ; Erythropoietin/chemistry/*metabolism/*pharmacology ; Humans ; Ligands ; Mice ; *Molecular Mimicry ; Molecular Sequence Data ; Mutagenesis ; Peptides, Cyclic/chemistry/*metabolism/*pharmacology ; Phosphorylation ; Protein Structure, Secondary ; Receptors, Erythropoietin/*agonists/chemistry/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Signal Transduction ; Solubility ; Tyrosine/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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