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  • Rats
  • American Association for the Advancement of Science (AAAS)  (169)
  • Springer  (5)
  • American Chemical Society
  • American Meteorological Society
  • Blackwell Publishing Ltd
  • International Union of Crystallography
  • Molecular Diversity Preservation International
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  • Wiley-Blackwell
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  • 1990-1994  (76)
  • 1980-1984
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  • 1960-1964
  • 1990  (76)
  • 1978  (98)
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Publisher
  • American Association for the Advancement of Science (AAAS)  (169)
  • Springer  (5)
  • American Chemical Society
  • American Meteorological Society
  • Blackwell Publishing Ltd
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Years
  • 2020-2022
  • 2010-2014
  • 2000-2004
  • 1990-1994  (76)
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  • 1
    Electronic Resource
    Electronic Resource
    Studies on organ weights in naproxen treated rats after intermittent exposure to simulated high altitude (1990)
    Springer
    International journal of biometeorology 34 (1990), S. 90-92 
    Details
    ISSN: 1432-1254
    Keywords: Rats ; Naproxen ; Hypoxia ; Organ weight
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Rats were exposed intermittently for 8h per day over 6 days at simulated high altitude of 20 000 feet. One group of altitude-exposed animals was treated with naproxen, a prostaglandin inhibiting drug. Significant reduction in body weight gain was observed in both altitude-exposed and drug-treated altitude-exposed animals compared to the control group. Right and left ventricular weights and weights of the adrenal glands were increased significantly in altitude-exposed and altitude-exposed drug-treated animals. The weight of the spleen was increased significantly in altitude-exposed animals whereas no such increase of splenic weight was observed in drug-treated altitude-exposed group of animals. On the other hand, the weight of the liver was decreased significantly in both cases. In drug-treated altitude-exposed animals, the unaltered splenic weight was thought to be due to inhibition of the erythropoietic activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01093453
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Abstracts of doctoral theses (1990)
    Springer
    Pharmacy world & science 12 (1990), S. 256-259 
    Details
    ISSN: 1573-739X
    Keywords: Cell survival ; Cytotoxins ; Glutathione ; Liver ; Proteins ; Rats ; Models ; molecular ; Receptors ; adenosine ; Structure—activity relationship
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01967828
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  • 3
    Electronic Resource
    Electronic Resource
    Abstracts of dutch doctoral theses (1990)
    Springer
    Pharmacy world & science 12 (1990), S. 79-80 
    Details
    ISSN: 1573-739X
    Keywords: Hemodynamics ; Heart failure ; Congestive ; Myocardial infarction ; Pathology ; Rats ; Therapeutics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01970151
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  • 4
    Electronic Resource
    Electronic Resource
    Microcomputer-based system for monitoring motor activity (1990)
    Springer
    Medical & biological engineering & computing 28 (1990), S. 74-76 
    Details
    ISSN: 1741-0444
    Keywords: Data recording ; Laboratory ; Microcomputer ; Psychology ; Rats ; Wheel running
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441681
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  • 5
    Electronic Resource
    Electronic Resource
    Computer simulation of male rat sexual behaviour (1978)
    Springer
    Medical & biological engineering & computing 16 (1978), S. 98-104 
    Details
    ISSN: 1741-0444
    Keywords: Simulation ; Rats ; Sexual behaviour ; Motivation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract A digital computer simulation of the ejaculatory series in the male rat is presented, and simulated results shown. It is argued that a sufficient number of established behavioural results as well as physiological theories exist to justify more effort in this direction. Both intromission and ejaculation are simulated as a function of arousal minus inhibition. Inhibition is transient only, satiety is caused by loss of arousability not increase in inhibition. The simulation is shown to be relevant to the response to novelty, the role of hormones and the timing of arousal to copulation by the female.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02442940
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  • 6
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    A cytosolic protein catalyzes the release of GDP from p21ras (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-06
    Description: The rate of release of guanine nucleotides from the ras proteins (Ras) is extremely slow in the presence of Mg2+. It seemed likely, therefore that a factor might exist to accelerate the release of guanosine diphosphate (GDP), and hence the exchange of GDP for guanosine triphosphate (GTP). Such a factor has now been discovered in rat brain cytosol. Brain cytosol was found to catalyze, by orders of magnitude, the release of guanine nucleotides from recombinant v-H-Ras protein bound with [alpha-32P]GDP. This effect occurred even in the presence of a large excess of Mg2+, but was destroyed by heat or by incubation of the cytosol for an hour at 37 degrees C in the absence of phosphatase inhibitors. The effect was observed with either v-H-Ras or c-H-Ras, but not with p25rab3A, a small G protein with about 30% similarity to Ras. The effect could not be mimicked by addition of recombinant Ras-GAP or purified GEF, a guanine nucleotide exchange factor involved in the regulation of eukaryotic protein synthesis. By gel filtration chromatography, the factor appears to possess a molecular size between 100,000 and 160,000 daltons. This protein (Ras-guanine nucleotide-releasing factor, or Ras-GRF) may be involved in the activation of p21ras.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolfman, A -- Macara, I G -- CA 43551/CA/NCI NIH HHS/ -- ES 01247/ES/NIEHS NIH HHS/ -- GM 41220/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1990 Apr 6;248(4951):67-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, University of Rochester Medical Center, NY 14642.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2181667" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Brain/metabolism ; Cholic Acids ; Cytosol/*metabolism ; Guanine Nucleotides/*metabolism ; Guanosine 5'-O-(3-Thiotriphosphate) ; Guanosine Diphosphate/*metabolism ; Guanosine Triphosphate/analogs & derivatives/metabolism ; Hot Temperature ; Immunosorbent Techniques ; Kinetics ; Magnesium Chloride/pharmacology ; Molecular Weight ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins p21(ras) ; Rats ; Thionucleotides/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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  • 7
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    New transplant method evades immune attack (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skerrett, P J -- New York, N.Y. -- Science. 1990 Sep 14;249(4974):1248.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2119053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diabetes Mellitus, Experimental/*surgery ; Graft Enhancement, Immunologic ; Immune Tolerance ; *Islets of Langerhans Transplantation ; Rats ; T-Lymphocytes/immunology ; Thymus Gland/surgery ; Transplantation, Heterotopic
    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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    Autophosphorylation of protein kinase C at three separated regions of its primary sequence (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-07-27
    Description: The major autophosphorylation sites of the rat beta II isozyme of protein kinase C were identified. The modified threonine and serine residues were found in the amino-terminal peptide, the carboxyl-terminal tail, and the hinge region between the regulatory lipid-binding domain and the catalytic kinase domain. Because this autophosphorylation follows an intrapeptide mechanism, extraordinary flexibility of the protein is necessary to phosphorylate the three regions. Comparison of the sequences surrounding the modified residues showed no obvious recognition motif nor any similarity to substrate phosphorylation sites, suggesting that proximity to the active site may be the primary criterion for their phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, A J -- Paladini, R D -- Koshland, D E Jr -- DK09765/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Jul 27;249(4967):408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2377895" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; Cloning, Molecular ; Isoenzymes/genetics/*metabolism ; Molecular Sequence Data ; Peptide Fragments/isolation & purification/metabolism ; Phosphorylation ; Protein Conformation ; Protein Kinase C/genetics/*metabolism ; Rats ; Recombinant Proteins/metabolism ; Signal Transduction ; Trypsin
    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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    Protection from chemotherapy-induced alopecia in a rat model (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: Alopecia (hair loss) is among the most distressing side effects of cancer chemotherapy. Little progress has been made, however, in its prevention or treatment, partly because of the lack of suitable experimental model. In recent work on the treatment of myelogenous leukemia in the rat, the following observations were made: (i) treatment of 8-day-old rats with cytosine arabinoside consistently produced alopecia, and (ii) ImuVert, a biologic response modifier derived from the bacterium Serratia marcescens, uniformly produced complete protection against the alopecia. In subsequent experiments, both cyclophosphamide and doxorubicin also produced alopecia in this model, and the doxorubicin-induced alopecia was prevented by treatment with ImuVert. The potential relevance of these observations to chemotherapy-induced alopecia in the clinical setting should be examined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hussein, A M -- Jimenez, J J -- McCall, C A -- Yunis, A A -- DK07114/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1564-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Miami School of Medicine, FL 33101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218498" target="_blank"〉PubMed〈/a〉
    Keywords: Alopecia/chemically induced/*prevention & control ; Animals ; Biological Products ; Cytarabine/therapeutic use/*toxicity ; Disease Models, Animal ; Immunologic Factors/*therapeutic use ; Leukemia, Experimental/*drug therapy ; Rats ; Rats, Inbred F344 ; Skin/drug effects/pathology
    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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    Autoradiographic imaging of phosphoinositide turnover in the brain (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-08-17
    Description: With [3H]cytidine as a precursor, phosphoinositide turnover can be localized in brain slices by selective autoradiography of the product [3H]cytidine diphosphate diacylglycerol, which is membrane-bound. In the cerebellum, glutamatergic stimulation elicits an increase of phosphoinositide turnover only in Purkinje cells and the molecular layer. In the hippocampus, both glutamatergic and muscarinic cholinergic stimulation increase phosphoinositide turnover, but with distinct localizations. Cholinergic stimulation affects CA1, CA3, CA4, and subiculum, whereas glutamatergic effects are restricted to the subiculum and CA3. Imaging phosphoinositide turnover in brain slices, which are amenable to electrophysiologic studies, will permit a dynamic localized analysis of regulation of this second messenger in response to synaptic stimulation of specific neuronal pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hwang, P M -- Bredt, D S -- Snyder, S H -- DA-00074/DA/NIDA NIH HHS/ -- GM-07309/GM/NIGMS NIH HHS/ -- MH-18501/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1990 Aug 17;249(4970):802-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1975122" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine/analogs & derivatives/pharmacology ; Animals ; Autoradiography ; Brain/*metabolism ; Carbachol/pharmacology ; Cerebellum/drug effects/metabolism ; Cycloleucine/analogs & derivatives/pharmacology ; Cytidine/metabolism ; Cytidine Diphosphate Diglycerides/metabolism ; Glutamates/physiology ; Glutamic Acid ; Hippocampus/drug effects/metabolism ; Neomycin/pharmacology ; Phosphatidylinositols/*metabolism ; Pirenzepine/pharmacology ; Purkinje Cells/metabolism ; Rats ; Receptors, Muscarinic/drug effects/physiology ; Tissue Distribution
    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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