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  • Articles  (2,553)
  • Springer  (1,852)
  • American Association for the Advancement of Science (AAAS)  (701)
  • 2005-2009
  • 1985-1989  (2,553)
  • 1989  (1,293)
  • 1987  (1,260)
  • Medicine  (2,553)
Collection
  • Articles  (2,553)
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Keywords
Publisher
Years
  • 2005-2009
  • 1985-1989  (2,553)
Year
Journal
Topic
  • 1
    Electronic Resource
    Electronic Resource
    Human chromosome-specific repetitive DNA sequences: novel markers for genetic analysis (1987)
    Springer
    Chromosoma 95 (1987), S. 375-386 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Two recombinant DNA clones that are localized to single human chromosomes were isolated from a human repetitive DNA library. Clone pHuR 98, a variant satellite 3 sequence, specifically hybridizes to chromosome position 9qh. Clone pHuR 195, a variant satellite 2 sequence, specifically hybridizes to chromosome position 16qh. These locations were determined by fluorescent in situ hybridization to metaphase chromosomes, and confirmed by DNA hybridizations to human chromosomes sorted by flow cytometry. Pulsed field gel electrophoresis analysis indicated that both sequences exist in the genome as large DNA blocks. In situ hybridization to intact interphase nuclei showed a well-defined, localized organization for both DNA sequences. The ability to tag specific human autosomal chromosomes, both at metaphase and in interphase nuclei, allows novel molecular cytogenetic analyses in numerous basic research and clinical studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00333988
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Photodynamic therapy in the treatment of malignant tumours of the upper aerodigestive tract (1989)
    Springer
    Lasers in medical science 4 (1989), S. 279-284 
    Details
    ISSN: 1435-604X
    Keywords: Photodynamic therapy ; Haematoporphyrin ; Argon dye laser ; Early stage esophageal cancer ; Head and neck cancer ; Squamous cell carcinoma ; Adenocarcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Physics , Technology
    Notes: Abstract This is the report of a pilot study in which the technique of photodynamic therapy (PDT)—in which malignant tissues are destroyed by light after being previously photosensitized by haematoporphyrin or its derivative—was performed using a high power argon-dye laser system which operated at 630±5 nm and optical fibres with either a microlens or a diffusing tip. A total of thirty-seven patients were utilized for this study, including twenty-five patients affected by esophageal carcinoma, five by recurrences of head and neck cancer, four by gastric cancer and three by lung cancer. Among the sixteen cases with superficial or localized cancer of the esophagus, complete and partial responses were observed in seven and six patients, respectively. In advanced and recurring cancers less satisfactory results were obtained. Thus, PDT seems to be useful in cases of small superficial cancers, either primary or recurrent after previous treatments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02032460
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  • 3
    Electronic Resource
    Electronic Resource
    Gas chromatographic/mass spectrometric determination of aniline in food oils associated with the Spanish toxic oil syndrome (1987)
    Springer
    Bulletin of environmental contamination and toxicology 39 (1987), S. 511-515 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01688318
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  • 4
    Electronic Resource
    Electronic Resource
    Chlorinated hydrocarbon levels in human serum: Effects of fasting and feeding (1989)
    Springer
    Archives of environmental contamination and toxicology 18 (1989), S. 495-500 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Twenty healthy adult humans had serum samples drawn on four occasions within a 24-hr period: after a 12 hr overnight fast, 4–5 hr after a high fat breakfast, at midafternoon, and the next morning after another 12 hr fast. Nonfasting samples had 22% to 29% higher mean concentrations (p 〈 0.05) than did fasting samples for polychlorinated biphenyls (PCBs, 4.81 vs 3.74 ng/g serum wt), hexachlorobenzene (HCB, 0.163 vs 0.134 ng/g serum wt), andp,p′-dichlorodiphenyldichloroethylene (p,p′-DDE, 6.74 vs 5.37 ng/g serum wt) measured by electron capture gas liquid chromatography. Total serum lipids were estimated from measurements of total cholesterol, free cholesterol, triglycerides, and phospholipids and were 20% higher in nonfasting samples than in fasting samples (7.05 g/L vs 5.86 g/L). When PCBs, HCB, andp,p′-DDE concentrations were corrected by total serum lipids, results from fasting and nonfasting samples were not statistically different. Because of the differences in these chlorinated hydrocarbon concentrations observed with different sample collection regimens, meaningful comparison of analytical results requires standardizing collection procedures or correcting by total serum lipid levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055015
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  • 5
    Electronic Resource
    Electronic Resource
    New in vivo model to assess venous endothelial cell functions. Effect of defibrotide (1989)
    Springer
    European journal of clinical pharmacology 37 (1989), S. 351-357 
    Details
    ISSN: 1432-1041
    Keywords: defibrotide ; fibrinolysis ; endothelial cells ; tissue plasminogen activator (tPA) ; plassminogen activator inhibitor (PAI)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract In the past few years there has been increasing interest in the role of the vascular endothelium as an active modulator of biological responses. Endothelial cells exert antithrombotic activity by the release of prostacyclin [23] and adenine nucleotides [16], the availability on the cell surface of heparin-like substances [3], and thrombomodulin-mediated activation of protein C [8]. In addition, endothelium is involved in the regulation of fibrinolysis by releasing soluble factors, such as tissue plasminogen activator (tPA; [10]) and plasminogen activator inhibitor (PAI; [22, 11]), as well as in the control of vascular responsiveness by the production of smooth muscle relaxing and contracting factors. Endothelial cells have also been shown to synthesize and to express procoagulant activities [18]. Many data on endothelial cell functions has been obtained from two experimental models, namely endothelial cell cultures and perfused segments of animal and human vessels. Both are subject to methodological criticism since they only represent in part in vivo conditions, and the necessary experimental manipulations and laboratory procedures greatly modify the naturally occurring cellular functions. In order to overcome such difficulties as far as possible, a new in vivo model has been employed to provide easily assessable and reliable data on the properties of endothelial cells in man. A venous segment was isolated functionally by cannulating a dorsal vein in the hand and a cubital vein in the same arm. Changes observed ex vivo in blood from the cubital vein following infusion into the hand vein of an active drug, can mainly be attributed to its local effect on the venous wall. At the same time, a cubital vein in the other arm was cannulated in order to provide information to distinguish systemic from regional effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00558499
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  • 6
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    Human chromosome-specific repetitive DNA sequences: novel markers for genetic analysis (1987)
    Springer
    Details
    Publication Date: 1987-10-01
    Print ISSN: 0009-5915
    Electronic ISSN: 1432-0886
    Topics: Biology , Medicine
    Published by Springer
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  • 7
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    Imaging of memory-specific changes in the distribution of protein kinase C in the hippocampus (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-25
    Description: Activation of protein kinase C (PKC) can mimic the biophysical effects of associative learning on neurons. Furthermore, classical conditioning of the rabbit nictitating membrane (a form of associative learning) produces translocation of PKC activity from the cytosolic to the membrane compartments of the CA1 region of the hippocampus. Evidence is provided here for a significant change in the amount and distribution of PKC within the CA1 cell field of the rabbit hippocampus that is specific to learning. This change is seen at 1 day after learning as focal increments of [3H]phorbol-12,13-dibutyrate binding to PKC in computer-generated images produced from coronal autoradiographs of rabbit brain. In addition, 3 days after learning, the autoradiographs suggest a redistribution of PKC within CA1 from the cell soma to the dendrites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olds, J L -- Anderson, M L -- McPhie, D L -- Staten, L D -- Alkon, D L -- New York, N.Y. -- Science. 1989 Aug 25;245(4920):866-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular and Cellular Neurobiology, National Institute of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772638" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Hippocampus/*enzymology ; *Memory ; Phorbol 12,13-Dibutyrate/metabolism ; Protein Kinase C/*analysis ; Rabbits
    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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    Response: the myeloperoxidase gene in acute promyelocytic leukemia (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weil, S C -- Reid, M S -- Nilles, L A -- Chisholm, R L -- Rosner, G L -- Swanson, M S -- Carrino, J J -- Diaz, M O -- LE Beau, M M -- New York, N.Y. -- Science. 1989 May 19;244(4906):825-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17802240" target="_blank"〉PubMed〈/a〉
    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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    Neurotoxicity of a fragment of the amyloid precursor associated with Alzheimer's disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: Amyloid deposition in senile plaques and the cerebral vasculature is a marker of Alzheimer's disease. Whether amyloid itself contributes to the neurodegenerative process or is simply a by-product of that process is unknown. Pheochromocytoma (PC12) and fibroblast (NIH 3T3) cell lines were transfected with portions of the gene for the human amyloid precursor protein. Stable PC12 cell transfectants expressing a specific amyloid-containing fragment of the precursor protein gradually degenerated when induced to differentiate into neuronal cells with nerve growth factor. Conditioned medium from these cells was toxic to neurons in primary hippocampal cultures, and the toxic agent could be removed by immunoabsorption with an antibody directed against the amyloid polypeptide. Thus, a peptide derived from the amyloid precursor may be neurotoxic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yankner, B A -- Dawes, L R -- Fisher, S -- Villa-Komaroff, L -- Oster-Granite, M L -- Neve, R L -- HD 18655/HD/NICHD NIH HHS/ -- HD 18658/HD/NICHD NIH HHS/ -- NS 01240/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):417-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2474201" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*etiology/pathology ; Amyloid/genetics/*physiology ; Blotting, Northern ; Cell Line ; Fibroblasts ; Gene Expression Regulation ; Humans ; Immunoblotting ; Neurons/pathology ; Nucleic Acid Hybridization ; Pheochromocytoma ; Protein Precursors/genetics/*physiology ; RNA/analysis/genetics ; Restriction Mapping ; Transfection ; Tumor Cells, Cultured
    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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    Construction of synthetic immunogen: use of new T-helper epitope on malaria circumsporozoite protein (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-02-27
    Description: The circumsporozoite (CS) protein of Plasmodium falciparum is the focus of intense efforts to develop an antisporozoite malaria vaccine. Localization of sites for T-cell recognition on this molecule is critical for vaccine design. By using an algorithm designed to predict T-cell sites and a large panel of H-2 congenic mice, a major nonrepetitive T-cell site was located. When a synthetic peptide corresponding to this site was covalently linked to the major B-cell site on the molecule, an immunogen capable of eliciting a high-titer antibody response was formed. This peptide sequence could prime helper T cells for a secondary response to the intact CS protein. The new helper T-cell site is located outside the repetitive region of the CS protein and appears to be the immunodominant T site on the molecule. This approach should be useful in the rational design and construction of vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Good, M F -- Maloy, W L -- Lunde, M N -- Margalit, H -- Cornette, J L -- Smith, G L -- Moss, B -- Miller, L H -- Berzofsky, J A -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1059-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2434994" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibody Formation ; Antigens, Protozoan/immunology ; Antigens, Surface/*immunology ; B-Lymphocytes/immunology ; Epitopes/*immunology ; Mice ; Peptide Fragments/chemical synthesis/*immunology ; Plasmodium falciparum/*immunology ; *Protozoan Proteins ; Receptors, Antigen, B-Cell/immunology ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/immunology ; T-Lymphocytes, Helper-Inducer/*immunology ; 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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