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  • ASTROPHYSICS  (127)
  • Life and Medical Sciences  (95)
  • Humans  (92)
  • Biochemistry and Biotechnology
  • Lunar and Planetary Science and Exploration
  • 1985-1989  (355)
  • 1985  (355)
Collection
Keywords
Publisher
Years
  • 1985-1989  (355)
Year
  • 1
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    The neu gene: an erbB-homologous gene distinct from and unlinked to the gene encoding the EGF receptor (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-06
    Description: The neu oncogene, identified in ethylnitrosourea-induced rat neuroglioblastomas, had strong homology with the erbB gene that encodes the epidermal growth factor receptor. This homology was limited to the region of erbB encoding the tyrosine kinase domain. It was concluded that the neu gene is a distinct novel gene, as it is not coamplified with sequences encoding the EGF receptor in the genome of the A431 tumor line and it maps to human chromosome 17.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schechter, A L -- Hung, M C -- Vaidyanathan, L -- Weinberg, R A -- Yang-Feng, T L -- Francke, U -- Ullrich, A -- Coussens, L -- CA 39964-01/CA/NCI NIH HHS/ -- GM 26105/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 6;229(4717):976-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2992090" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/*genetics ; Chromosome Mapping ; Chromosomes, Human, 16-18 ; DNA, Neoplasm/*genetics ; Genes ; Genetic Linkage ; Humans ; Neoplasm Proteins/*genetics ; Neuroblastoma/genetics ; Neuroglia ; *Oncogenes ; Rats ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*genetics
    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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    Selective extraction of small and large molecules from the cerebrospinal fluid by Purkinje neurons (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-19
    Description: Cerebellar Purkinje neurons accumulated propidium iodide, granular blue, and horseradish peroxidase conjugated to wheat germ agglutinin but not unconjugated horseradish peroxidase, bisbenzimide, or Evans blue when these compounds were infused into the lateral cerebral ventricles of awake, unrestrained rats. Accumulation of propidium iodide by Purkinje neurons of the vermis was associated with a reproducible behavioral abnormality characterized by truncal tremor, ataxia, and nystagmus. Both the accumulation of propidium iodide in Purkinje cells and the behavioral abnormality were prevented by prior intracerebroventricular administration of ouabain or colchicine, drugs that block neuronal transport processes. The ability of cerebellar Purkinje neurons to extract small and large molecules from the cerebrospinal fluid has important implications for their physiology and pathology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borges, L F -- Elliott, P J -- Gill, R -- Iversen, S D -- Iversen, L L -- New York, N.Y. -- Science. 1985 Apr 19;228(4697):346-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2580350" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bisbenzimidazole/metabolism ; Cerebrospinal Fluid/*physiology ; Dendrites/physiology ; Evans Blue/metabolism ; Horseradish Peroxidase/metabolism ; Humans ; Male ; Propidium/metabolism/pharmacology ; Purkinje Cells/*metabolism/physiology ; Rats ; Rats, Inbred Strains ; Tremor/chemically induced/physiopathology
    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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  • 3
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    Expression of Plasmodium falciparum circumsporozoite proteins in Escherichia coli for potential use in a human malaria vaccine (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-24
    Description: The circumsporozoite (CS) protein of the human malaria parasite Plasmodium falciparum may be the most promising target for the development of a malaria vaccine. In this study, proteins composed of 16, 32, or 48 tandem copies of a tetrapeptide repeating sequence found in the CS protein were efficiently expressed in the bacterium Escherichia coli. When injected into mice, these recombinant products resulted in the production of high titers of antibodies that reacted with the authentic CS protein on live sporozoites and blocked sporozoite invasion of human hepatoma cells in vitro. These CS protein derivatives are therefore candidates for a human malaria vaccine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, J F -- Hockmeyer, W T -- Gross, M -- Ballou, W R -- Wirtz, R A -- Trosper, J H -- Beaudoin, R L -- Hollingdale, M R -- Miller, L H -- Diggs, C L -- New York, N.Y. -- Science. 1985 May 24;228(4702):958-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2988125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Formation ; Antigens, Surface/genetics/*immunology ; Carcinoma, Hepatocellular ; Cell Line ; Cloning, Molecular ; Cross Reactions ; DNA, Recombinant ; Escherichia coli/genetics ; Humans ; Liver Neoplasms ; Malaria/*prevention & control ; Mice ; Plasmodium/immunology ; Plasmodium falciparum/genetics/*immunology/physiology ; *Protozoan Proteins ; Vaccines/*immunology
    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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    Induction of AIDS-like disease in macaque monkeys with T-cell tropic retrovirus STLV-III (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-04
    Description: The T-cell tropic retrovirus of macaque monkeys STLV-III has morphologic, growth, and antigenic properties indicating that it is related to HTLV-III/LAV, the etiologic agent of the acquired immune deficiency syndrome (AIDS) in humans. Four of six rhesus monkeys died within 160 days of STLV-III inoculation with a wasting syndrome, opportunistic infections, a primary retroviral encephalitis, and immunologic abnormalities including a decrease in T4+ peripheral blood lymphocytes. These data show that an immunodeficiency syndrome can be produced experimentally in a nonhuman primate by an agent from the HTLV-III/LAV group of retroviruses. The STLV-III-macaque system will thus provide a useful model for the study of antiviral agents and vaccine development for human AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Letvin, N L -- Daniel, M D -- Sehgal, P K -- Desrosiers, R C -- Hunt, R D -- Waldron, L M -- MacKey, J J -- Schmidt, D K -- Chalifoux, L V -- King, N W -- AI 20729/AI/NIAID NIH HHS/ -- CA 34979/CA/NCI NIH HHS/ -- CA 38205/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Oct 4;230(4721):71-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2412295" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology/pathology ; Animals ; Brain/pathology ; Deltaretrovirus ; *Disease Models, Animal ; Epitopes/analysis ; Humans ; Interleukin-2 ; Leukocyte Count ; Lymphocyte Activation ; Macaca mulatta ; Microscopy, Electron ; Pancreas/pathology ; *Retroviridae ; T-Lymphocytes/immunology
    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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    The missing bulge globular clusters in M31 - New optical candidates (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: A new method to attack the question of the 'missing' globular clusters in the bulge of M31 is used. Image-processing techniques were used on 13 videocamera fields to obtain an accurate photometric census of stellar objects in M31's bulge down to a limiting B magnitude of 21. This luminosity distribution is compared with the Bahcall-Soneira model of galactic foreground stars. A statistically significant excess of bright images in the luminosity range of globular clusters at M31's distance is found. If the optical candidates considered prove to be globular clusters, they would double the number of known globular clusters in the surveyed region. The colors of a subsample of the candidates are the same as those of the known globular clusters. It is concluded that the previously observed flattening away from a de Vaucouleurs law in the radial distribution of M31 may be an observational selection effect. As an offshoot of this analysis, no evidence is found for very luminous stars in the inner bulge of M31. The lack of such stars indicates that there has not been active star formation (with a normal IMF) in the recent past. Coupled with the existence of many planetary nebulae in the bulge, this may strengthen the case for a galactic wind in M31's bulge.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 290; 140-153
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
    Electronic Resource
    Electronic Resource
    Effects of phosphate, glucose, and ammonium on cell growth and lincomycin production by Streptomyces lincolnensis in chemically defined media (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 27 (1985), S. 327-333 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Cell growth and lincomycin production were measured in batch cultures of Streptomyces lincolnensis in chemically defined media. In these fermentations the specific rate of antibiotic production was maximal during growth and always declined at the end of the growth phase. It was found that both phosphate and ammonium salts, while required for cell growth, had negative effects on antibiotic production. By increasing the concentration of magnesium sulfate, it was possible to increase both the production rates and final titers of lincomycin. The mechanism for this effect was found to be the reduction of soluble phosphate in the medium through the precipitation of ammonium magnesium phosphate. Lincomycin production rates were not inhibited by glucose at concentrations of up to 30 g/L.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260270318
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  • 7
    Electronic Resource
    Electronic Resource
    Alterations in synthesis of the acid soluble proteins from nuclei of specific phases of the in vivo liver cell cycle after isoproterenol and sodium phenobarbital administration: An electrophoretic study (1985)
    Weinheim : Wiley-Blackwell
    Electrophoresis 6 (1985), S. 306-313 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Partially hepatectomized mice were injected intraperitoneally with isoproterenol (IPR), sodium phenobarbital (PB), or a combination of the two, and the regenerating lobe of the liver was removed. Nuclei were isolated, electrostatically sorted from various phases of the cell cycle, and the acid-soluble proteins were extracted. Synthesis of several high-molecular weight non-histone proteins were observed in two-dimensional polyacrylamide gel electrophoretic autoradiographs after independent administration of IPR and PB. The histones revealed alterations in synthesis patterns and the histone variants demonstrated concentration changes in response to these drugs. A protein designated as “a” appeared in G0 + G1 phase nuclei after IPR treatment and showed an increase in concentration after PB was included in the dosing regime. This protein displayed homology with a non-histone protein from calf thymus when its mobility and amino acid content was examined.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150060703
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  • 8
    Electronic Resource
    Electronic Resource
    Quantitative reproducibility of measurements from Coomassie Blue-stained two-dimensional gels: Analysis of mouse liver protein patterns and a comparison of BALB/c and C57 strains (1985)
    Weinheim : Wiley-Blackwell
    Electrophoresis 6 (1985), S. 592-599 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Using the ISO-DALT system for two-dimensional (2-D) electrophoresis and the TYCHO system for computer analysis of the resulting protein maps, we obtained high quality quantitative protein abundance data from Coomassie Brilliant Bluestained gels of mouse liver samples. High resolution gels allow more than 100 proteins to be measured with coefficients of variation less than 15 %. A comparison of results from two mouse strains (C57BL/6 and BALB/c) and the cross between them (BCF1) shows that a large number of qutive polymorphisms can be detected, and that, as expected, the amount of protein produced in the heterozygote is intermediate between the parental values. The system described is shown to be capable of reliably detecting decreases in protein abundance such as those expected to result from radiation-induced deletion of one copy of a gene. The implications of these results for the study of gene regulation are discussed in relation to applications in genetics, toxicology, and differentiation.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150061205
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  • 9
    Electronic Resource
    Electronic Resource
    The change in the nucleus pattern during chromatin condensation in Eurygaster integriceps spermatids (1985)
    New York, NY : Wiley-Blackwell
    Gamete Research 11 (1985), S. 421-429 
    Details
    ISSN: 0148-7280
    Keywords: spermatid ; nucleus ; bug ; ultrastructure ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: When spermiogenesis of Eurygaster integriceps occurs, the pattern of the round nucleus of the spermaiid changes under the influence of a manchette consisting of two large groups of microtubules (up to 130-140 in each). The pericentriolar matter was found to be involved in the changes in the nuclear pattern; it takes part in the formation of the asymmetric intranuclear channel, open at one side. Two zones appear in the nucleus that differ greatly in their rates of chromatin condensation. The two main parts of the future nucleus are thereby established: the apical one with a greater rate of chromatin condensation, which gives origin to the two-walled cylinder, and the outer part, which grows for a long time and extends caudally to the middle piece. At the later stages of nucleus formation, when its larger part is separated from the surface of the middle piece, the vesicles of the endoplasmic reticulum that penetrate between the Nebenkern and the larger part of the nucleus, play a certain role.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1120110409
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  • 10
    Electronic Resource
    Electronic Resource
    Active microwave tomographic imaging of isolated, perfused animal organs (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Bioelectromagnetics 6 (1985), S. 145-156 
    Details
    ISSN: 0197-8462
    Keywords: active microwave imaging ; diffraction tomography ; perfused organs ; non-invasive thermometry ; hyperthermia ; Life and Medical Sciences ; Occupational Health and Environmental Toxicology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: The relative transparency of biological materials to high-frequency electromagnetic waves has encouraged the development of new systems for imaging. This report describes experiments of microwave tomography conducted on a prototype. The object to be analyzed is submerged in water and is illuminated by a plane wave. The total electric field is analyzed by a microwave camera. The recorded data are then processed numerically in order to reconstruct the image that corresponds to the distribution of equivalent currents in a defined plane of a section. Experiments have been conducted on isolated kidneys with and without perfusion. The influence of the perfusing solution temperature has also been studied. These experiments show the potential of this system, especially through the correlation between microwave images and the biological structures. They also confirm previous results concerning spatial resolution and depth of exploration. Finally, the results demonstrate the influence of temperature and support the applicability of this imaging system in non-invasive thermometry, especially for clinical hyperthermia.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bem.2250060206
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