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  • LUNAR AND PLANETARY EXPLORATION  (6)
  • Humans  (4)
  • Aerospace Medicine
  • Animals
  • 2005-2009
  • 1990-1994  (11)
  • 1990  (11)
  • 1
    Publication Date: 1990-08-10
    Description: The interaction of the T cell receptor for antigen (TCR) with its antigen-major histocompatibility complex ligand is difficult to study because both are cell surface multimers. The TCR consists of two chains (alpha and beta) that are complexed to the five or more nonpolymorphic CD3 polypeptides. A soluble form of the TCR was engineered by replacing the carboxyl termini of alpha and beta with signal sequences from lipid-linked proteins, making them susceptible to enzymatic cleavage. In this manner, TCR heterodimers can be expressed independently of the CD3 polypeptides and in significant quantities (0.5 milligram per week). This technique seems generalizable to biochemical and structural studies of many other cell surface molecules as well.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, A Y -- Devaux, B -- Green, A -- Sagerstrom, C -- Elliott, J F -- Davis, M M -- New York, N.Y. -- Science. 1990 Aug 10;249(4969):677-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, CA 94305-5402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1696397" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaline Phosphatase/genetics ; Amino Acid Sequence ; Animals ; Antigens, CD3 ; Antigens, CD55 ; Antigens, Differentiation, T-Lymphocyte/genetics ; Cell Line ; Complement Inactivator Proteins/genetics ; Female ; Humans ; Macromolecular Substances ; Membrane Proteins/genetics ; Molecular Sequence Data ; Placenta/enzymology ; Pregnancy ; Protein Sorting Signals/genetics ; Receptors, Antigen, T-Cell/*genetics ; Transfection
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1990-07-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schneiderman, M -- Davis, D L -- Wagener, D K -- New York, N.Y. -- Science. 1990 Jul 20;249(4966):228-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2374921" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans ; European Continental Ancestry Group ; Female ; Humans ; Lung Neoplasms/mortality ; Male ; Prevalence ; Smoking/*epidemiology ; United States
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1990-02-23
    Description: The pacemaker role of the suprachiasmatic nucleus in a mammalian circadian system was tested by neural transplantation by using a mutant strain of hamster that shows a short circadian period. Small neural grafts from the suprachiasmatic region restored circadian rhythms to arrhythmic animals whose own nucleus had been ablated. The restored rhythms always exhibited the period of the donor genotype regardless of the direction of the transplant or genotype of the host. The basic period of the overt circadian rhythm therefore is determined by cells of the suprachiasmatic region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ralph, M R -- Foster, R G -- Davis, F C -- Menaker, M -- HD13162/HD/NICHD NIH HHS/ -- HD18686/HD/NICHD NIH HHS/ -- MH09483/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 23;247(4945):975-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Virginia, Charlottesville 22903.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2305266" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Circadian Rhythm/genetics/*physiology ; Cricetinae ; Immunohistochemistry ; Male ; Mutation ; Nerve Tissue/*transplantation ; Neuropeptide Y/analysis ; Suprachiasmatic Nucleus/embryology/*physiology ; Vasopressins/analysis
    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
    Publication Date: 1990-05-25
    Description: Tumor necrosis factor alpha and beta (TNF-alpha and TNF-beta) bind surface receptors on a variety of cell types to mediate a wide range of immunological responses, inflammatory reactions, and anti-tumor effects. A cDNA clone encoding an integral membrane protein of 461 amino acids was isolated from a human lung fibroblast library by direct expression screening with radiolabeled TNF-alpha. The encoded receptor was also able to bind TNF-beta. The predicted cysteine-rich extracellular domain has extensive sequence similarity with five proteins, including nerve growth factor receptor and a transcriptionally active open reading frame from Shope fibroma virus, and thus defines a family of receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, C A -- Davis, T -- Anderson, D -- Solam, L -- Beckmann, M P -- Jerzy, R -- Dower, S K -- Cosman, D -- Goodwin, R G -- New York, N.Y. -- Science. 1990 May 25;248(4958):1019-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2160731" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Blotting, Northern ; Cloning, Molecular ; DNA/genetics ; Humans ; Membrane Proteins/genetics ; Molecular Sequence Data ; Multigene Family ; Receptors, Cell Surface/*genetics ; Receptors, Tumor Necrosis Factor ; Tumor Necrosis Factor-alpha/*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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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1990-07-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, B D -- New York, N.Y. -- Science. 1990 Jul 27;249(4967):342-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2377887" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; *Human Genome Project/economics ; Humans ; National Institutes of Health (U.S.) ; Research Support as Topic ; United States
    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
    Publication Date: 2011-08-19
    Description: A model of Saturn's magnetic field, called Saturn Pioneer Voyager (SPV), is developed on the basis of an analysis of three sets of data: those from the Pioneer 11, the Voyager 1, and the Voyager 2 magnetometers. It is shown that the SPV model fits the data observed between 1.3 and 8.0 Saturn radii from the planet's center with a 1.13 percent weighted rms average of the percent differences between the observed and modeled fields, which is substantially better than the fits yielded by any of the previous models.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Journal of Geophysical Research (ISSN 0148-0227); 95; 15257-15
    Format: text
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  • 7
    Publication Date: 2011-08-19
    Description: Detailed photoclinometric data are presented for a variety of surface features (pits, troughs, wall valleys, and grabens) within three study areas in the western equatorial regions of Mars (Lunae, Syria, and Sinai Plana) that provide evidence for mechanical discontinuities within the shallow Martian crust in these regions. The data's relation to some of the previously proposed mechanical discontinuities within the Martian crust is discussed, and the geologic significance of these features is speculated upon.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Journal of Geophysical Research (ISSN 0148-0227); 95; 14231-14
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  • 8
    Publication Date: 2011-08-19
    Description: Synthetic forsterite (Mg2SiO4) was partially evaporated in vacuum for various durations and at different temperatures. The residual charges obtained when molten Mg2SiO4 was evaporated to 12 percent of its initial mass were enriched in heavy isotopes by about 20, 30, and 15 per mil/amu for O, Mg, and Si, respectively, whereas solid forsterite evaporated to a similar residual mass fraction showed negligible fractionations. These results imply that calcium and aluminum-rich refractory inclusions in carbonaceous chondrites must have been at least partially molten in the primordial solar nebula if the observed large mass fractionation effects were caused by evaporation processes in the nebula.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Nature (ISSN 0028-0836); 347; 655-658
    Format: text
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  • 9
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    In:  CASI
    Publication Date: 2013-08-31
    Description: A seismic network on Mars should have enough stations (e.g., 24) to characterize the seismicity of the planet for comparison with a diversity of structural features; be comprised of low noise stations, preferably underground, 3 to 4 orders of magnitude more sensitive than those used on Viking; record over a sufficient band-width (DC-30 Hz) to detect micro-earthquakes to normal modes; and record for a sufficient duration (10 years) and data rate (10(exp 8) Mb/day/station) to obtain a data set comparable to that from the Apollo mission to the Moon so that locations of major internal boundaries can be inferred, such as those in the Earth, i.e., crust - lithosphere - asthenosphere - upper - lower phase transitions - outer - inner core. The proposed Mars Global Network Mission provides an opportunity to sense the dynamics and probe the interior of the planet. The seismic objectives, the availability of the instrumentation and trade-offs to meet them are discussed.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: JPL, Proceedings of the Mars Global Network Mission Workshop; p 159-173
    Format: application/pdf
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  • 10
    Publication Date: 2019-07-12
    Description: A total of 107 complete or partial lightcurves are presented for 59 different asteroids over the 1982-1989 period. Unusual lightcurves with unequal minima and maxima at large amplitudes are preferentially seen for M-type asteroids. Some asteroids, such as 16 Psyche and 201 Penelope, exhibit lightcurves combining large amplitude with very unequal brightness for both maxima and both minima, even at small phase angles. An M-type asteroid is believed to consist of a metal core of a differentiated parent body that has had its rocky mantle completely removed by one or more large impacts.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Icarus (ISSN 0019-1035); 86; 402-447
    Format: text
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