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  • GEOPHYSICS  (131)
  • Animals  (62)
  • Male
  • Molecular Sequence Data
  • 1985-1989  (196)
  • 1985  (196)
  • 1
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    Emission, absorption and group delay of microwaves in the atmosphere in relation to water vapour content over the Indian subcontinent (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The advent of satellite communication for global coverage has apparently indicated a renewed interest in the studies of radio wave propagation through the atmosphere, in the VHF, UHF and microwave bands. The extensive measurements of atmosphere constituents, dynamics and radio meterological parameters during the Middle Atmosphere Program (MAP) have opened up further the possibilities of studying tropospheric radio wave propagation parameters, relevant to Earth/space link design. The three basic parameters of significance to radio propagation are thermal emission, absorption and group delay of the atmosphere, all of which are controlled largely by the water vapor content in the atmosphere, particular at microwave bands. As good emitters are also good absorbers, the atmospheric emission as well as the absorption attains a maximum at the frequency of 22.235 GHz, which is the peak of the water vapor line. The group delay is practically independent of frequency in the VHF, UHF and microwave bands. However, all three parameters exhibit a similar seasonal dependence originating presumably from the seasonal dependence of the water vapor content. Some of the interesting results obtained from analyses of radiosonde data over the Indian subcontinent collected by the India Meteorological Department is presented.
    Keywords: GEOPHYSICS
    Type: International Council of Scientific Unions Handbook for MAP, Vol. 18; p 399-404
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Retroviral vector-mediated gene transfer into human hematopoietic progenitor cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-29
    Description: The transfer of the human gene for hypoxanthine phosphoribosyltransferase (HPRT) into human bone marrow cells was accomplished by use of a retroviral vector. The cells were infected in vitro with a replication-incompetent murine retroviral vector that carried and expressed a mutant HPRT complementary DNA. The infected cells were superinfected with a helper virus and maintained in long-term culture. The production of progeny HPRT virus by the bone marrow cells was demonstrated with a colony formation assay on cultured HPRT-deficient, ouabain-resistant murine fibroblasts. Hematopoietic progenitor cells able to form colonies of granulocytes or macrophages (or both) in semisolid medium in the presence of colony stimulating factor were present in the nonadherent cell population. Colony forming units cloned in agar and subsequently cultured in liquid medium produced progeny HPRT virus, indicating infection of this class of hematopoietic progenitor cell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gruber, H E -- Finley, K D -- Hershberg, R M -- Katzman, S S -- Laikind, P K -- Seegmiller, J E -- Friedmann, T -- Yee, J K -- Jolly, D J -- AM 13622/AM/NIADDK NIH HHS/ -- GM 28223/GM/NIGMS NIH HHS/ -- HD20034/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Nov 29;230(4729):1057-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3864246" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Gene Expression Regulation ; *Genetic Engineering ; Genetic Vectors ; Hematopoietic Stem Cells/*physiology ; Humans ; Hypoxanthine Phosphoribosyltransferase/*genetics ; Mice ; Retroviridae/*genetics ; Transfection
    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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    The stratospheric aerosol particle measurement by balloon at Syowa Station (69.00 deg S, 39.35 deg E): Outline of special sonde (rubber) campaign JARE 24 (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: During the period of AMA (Antarctic Middle Atmosphere), various style balloons were used to measure atmospheric parameters at Syowa Station (69.00 deg S, 39.35 deg E), Antarctica. The measurements which were made using balloons specially designed to monitor stratospheric aerosol particles are discussed. This type balloon was first used by JARE (Japan Antarctic Research Expedition) 24th Team in 1983. Until that time, the Japan Antarctic Research Expedition Team had been using only a large plastic balloon to monitor various minor constituents in the stratosphere. The plastic balloon was very useful, but it took a long time to arrange a balloon launching. Additionally, launching time strongly depended on weather conditions. A timely launching of the balloon was carried out with this specially designed sonde.
    Keywords: GEOPHYSICS
    Type: International Council of Scientific Unions Handbook for MAP, Vol. 18; 3 p
    Format: text
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  • 4
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    Temporal variations of the tropical tropopause characteristics (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Results of a detailed study of tropopause characteristics at eleven Indian stations spread over a latitude range of 8.4 deg N to 28.6 deg N, using the data obtained during the period 1969 to 1978, are presented and discussed. This study reveals that the semiannual component in TP(T) (the tropopause potential temperature) can mainly be accounted by the corresponding variation on the solar insolation, whereas the annual component is greatly affected by the monsoon phenomenon, which is a large-scale annual one. During this period, the large-scale cloud cover would reduce the convective activity. Again, the annual components of TP(T) and lower stratospheric (18 km) potential temperature show a phase difference of about 6 months, except at the extratropical stations and about 2 to 3 months in the case of semiannual component. At extratropical stations the phase difference is much less, indicating the influence of convective process in the lower stratosphere.
    Keywords: GEOPHYSICS
    Type: International Council of Scientific Unions Handbook for MAP, Vol. 18; p 46-49
    Format: text
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  • 5
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    Why does the perpendicular electric field increase at the edge of auroral arcs? (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Radar, rocket and satellite measurements often indicate that there is a strong increase and subsequent decrease in the perpendicular electric field when traversing one edge of an auroral arc. The analysis of rocket measurements, presented here, shows that above an auroral arc there is a small gradient in the electric field due to polarization effects in the ionosphere, but that the strong increase at the edge of the arc can only be explained if the field-aligned currents associated with the arc are taken into account.
    Keywords: GEOPHYSICS
    Type: Advances in Space Research (ISSN 0273-1177); 5; 4 19; 79-82
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  • 6
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    Reversal of oncogenesis by the expression of a major histocompatibility complex class I gene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: The classical transplantation antigens (the major histocompatibility complex class I antigens) play a key role in host defense against cells expressing foreign antigens. Several naturally occurring tumors and virally transformed cells show an overall suppression of these surface antigens. Since the class I molecules are required in the presentation of neoantigens on tumor cells to the cytotoxic T lymphocytes, their absence from the cell surface may lead to the escape of these tumors from immunosurveillance. To test this possibility, a functional class I gene was transfected into human adenovirus 12-transformed mouse cells that do not express detectable levels of class I antigens; the transformants were tested for expression of the transfected gene and for changes in oncogenicity. The expression of a single class I gene, introduced by DNA-mediated gene transfer into highly tumorigenic adenovirus 12-transformed cells, was sufficient to abrogate the oncogenicity of these cells. This finding has important implications for the regulation of the malignant phenotype in certain tumors and for the potential modulation of oncogenicity through derepression of the endogenous class I genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanaka, K -- Isselbacher, K J -- Khoury, G -- Jay, G -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):26-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975631" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; Cell Line ; Immunization ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Neoplasm Transplantation ; Neoplasms, Experimental/genetics/*immunology ; Rats
    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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  • 7
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    Plasma homovanillic acid concentration and the severity of schizophrenic illness (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-29
    Description: Concentrations of plasma homovanillic acid before treatment were highly correlated with global severity of illness in schizophrenic patients, both before and after treatment. In contrast, a fixed dose of haloperidol did not affect those concentrations. Thus, in patients with a diagnosis of schizophrenia, plasma homovanillic acid may reflect the severity of illness, but not be influenced by short-term pharmacological perturbations by neuroleptics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, K L -- Davidson, M -- Mohs, R C -- Kendler, K S -- Davis, B M -- Johns, C A -- DeNigris, Y -- Horvath, T B -- MH37922/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 29;227(4694):1601-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975630" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Haloperidol/pharmacology ; Homovanillic Acid/*blood ; Humans ; Male ; Phenylacetates/*blood ; Schizophrenia/*blood
    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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    Neoplastic transformation of human epidermal keratinocytes by AD12-SV40 and Kirsten sarcoma viruses (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-08
    Description: Recent investigations have begun to dissect the number and nature of genetic alterations associated with cancer cells. In the present study, primary human epidermal keratinocytes acquired indefinite life-span in culture but did not undergo malignant conversion in response to infection with a hybrid of adenovirus 12 and simian virus 40. Addition of Kirsten murine sarcoma virus, which contains a K-ras oncogene, to these cells induced morphological alterations associated with the acquisition of neoplastic properties. These findings demonstrate the malignant transformation of human primary epithelial cells in culture and support a multiple-step process for neoplastic conversion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rhim, J S -- Jay, G -- Arnstein, P -- Price, F M -- Sanford, K K -- Aaronson, S A -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1250-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2579430" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviruses, Human/*metabolism ; Animals ; Cell Transformation, Neoplastic/*metabolism ; Epithelial Cells ; Humans ; Keratins ; Kirsten murine sarcoma virus/*metabolism ; Mice ; Mice, Inbred C3H ; Mice, Nude ; Sarcoma Viruses, Murine/*metabolism ; Sarcoma, Experimental/metabolism ; Simian virus 40/*metabolism ; Skin/*cytology
    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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  • 9
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    Ascorbic acid and the behavioral response to haloperidol: implications for the action of antipsychotic drugs (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-25
    Description: Haloperidol, a widely used antipsychotic drug, was tested for its ability to block the behavioral response to amphetamine and to elicit catalepsy in rats treated with saline or ascorbic acid (1000 milligrams per kilogram of body weight). By itself, ascorbic acid failed to exert significant behavioral effects, but it enhanced the antiamphetamine and cataleptogenic effects of haloperidol (0.1 or 0.5 milligrams per kilogram). These results, combined with a growing body of biochemical evidence, suggest that ascorbic acid plays an important role in modulating the behavioral effects of haloperidol and related antipsychotic drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rebec, G V -- Centore, J M -- White, L K -- Alloway, K D -- DA 02451/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):438-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4038426" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ascorbic Acid/*pharmacology ; Behavior, Animal/*drug effects ; Catalepsy/chemically induced ; Dextroamphetamine/pharmacology ; Drug Synergism ; Haloperidol/*pharmacology ; Humans ; Male ; Motor Activity/drug effects ; Rats ; Rats, Inbred Strains ; Receptors, Dopamine/metabolism
    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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  • 10
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    Induction of DNA synthesis in cultured rat hepatocytes through stimulation of alpha 1 adrenoreceptor by norepinephrine (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-15
    Description: Addition of norepinephrine to primary cultures of adult rat hepatocytes stimulates the incorporation of [3H]thymidine in a dose-dependent manner. This effect has been observed in serum-free medium containing epidermal growth factor and insulin. Stimulation of DNA synthesis by norepinephrine was strongly antagonized by the alpha 1-adrenergic antagonist prazosin but not by an alpha 2 antagonist or by a beta-adrenergic blocker. The beta agonist isoproterenol did not stimulate significant DNA synthesis. These results indicate that catecholamines interact with the alpha 1 adrenoreceptor to stimulate DNA synthesis in hepatocytes. Since alpha 1 receptors are present in most cells, this receptor may be important in cell growth regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cruise, J L -- Houck, K A -- Michalopoulos, G K -- CA 35373/CA/NCI NIH HHS/ -- T32 GM07184/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Feb 15;227(4688):749-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2982212" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; DNA/*biosynthesis ; Epidermal Growth Factor/pharmacology ; Female ; Insulin/pharmacology ; Liver/*cytology ; Liver Regeneration ; Norepinephrine/*physiology ; Prazosin/pharmacology ; Rats ; Receptors, Adrenergic, alpha/drug effects/*physiology ; Yohimbine/pharmacology
    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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