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  • Articles  (42)
  • Cell Line  (22)
  • Structure-Activity Relationship  (22)
  • 1980-1984  (42)
  • 1925-1929
  • 1981  (42)
  • Science. 211(4479): 291-4.  (1)
  • Science. 211(4482): 603-5.  (1)
  • Science. 211(4485): 947-9.  (1)
  • Science. 211(4486): 1046-8.  (1)
  • Science. 212(4490): 49-51.  (1)
  • Science. 212(4490): 55-6.  (1)
  • Science. 212(4490): 65-7.  (1)
  • Science. 212(4492): 358-61.  (1)
  • Science. 212(4493): 459-61.  (1)
  • Science. 212(4494): 553-5.  (1)
  • Science. 212(4496): 827-9.  (1)
  • Science. 212(4497): 925-7.  (1)
  • Science. 212(4497): 933-5.  (1)
  • Science. 212(4497): 955-6.  (1)
  • Science. 212(4498): 1034-5.  (1)
  • Science. 212(4500): 1214.  (1)
  • Science. 212(4502): 1514-6.  (1)
  • Science. 213(4505): 296-303.  (1)
  • Science. 213(4505): 303-7.  (1)
  • Science. 213(4507): 551-3.  (1)
  • 25
Collection
  • Articles  (42)
Keywords
Years
  • 1980-1984  (42)
  • 1925-1929
Year
Journal
  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-04-17
    Description: Voltage-clamp recordings from mouse spinal neurons grown in culture were used to study the membrane current fluctuations induced by 12 substances structurally similar to gamma-aminobutyric acid (GABA). Fluctuation analysis provided estimates of the electrical properties of the elementary events underlying these responses. Estimates of the mean conductance of channels activated by all of the substances except glycine did not differ significantly from that estimated for GABA, whereas mean durations of agonist-activated channels all differed significantly from that found for GABA. The results indicate that all of the substances tested except glycine activate channels of similar conductance but of different durations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barker, J L -- Mathers, D A -- New York, N.Y. -- Science. 1981 Apr 17;212(4492):358-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6259733" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/drug effects ; Ion Channels/*drug effects ; Membrane Potentials/drug effects ; Mice ; Neurons/drug effects ; Receptors, Cell Surface/metabolism ; Receptors, GABA-A ; Spinal Nerves/*drug effects ; Structure-Activity Relationship ; Time Factors ; gamma-Aminobutyric Acid/*analogs & derivatives/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 1981-11-20
    Description: Cells of the homogeneous hybrid line neuroblastoma x glioma (NG108-15) have many neuronal properties. Immunocytochemical tests show that they contain both immunoreactive renin and angiotensin; direct radioimmunoassays show that they are positive for renin, angiotensin I, and angiotensin II; enzymatic assays show that they contain angiotensinogen and converting enzyme as well. The renin appears to be present in an enzymatically inactive form that can be activated by trypsin and then blocked by antiserum to purified mouse submaxillary renin. Renin concentration and activity are increased by enhancing cellular differentiation with dibutyryl cyclic adenosine monophosphate or by serum withdrawal. These findings demonstrate a complete renin-angiotensin system within these neuron-like cells, and suggest that activation of intracellular renin could generate angiotensin II.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, M C -- Zimmerman, E A -- Slater, E E -- HL-21247/HL/NHLBI NIH HHS/ -- HL-24105/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1981 Nov 20;214(4523):921-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6272392" target="_blank"〉PubMed〈/a〉
    Keywords: Angiotensin I/*analysis ; Angiotensin II/*analysis ; Angiotensins/*analysis ; Animals ; Cell Line ; Cricetinae ; Glioma/*metabolism ; Hybrid Cells/*metabolism ; Mice ; Neuroblastoma/*metabolism ; Peptidyl-Dipeptidase A/metabolism ; Radioimmunoassay ; Rats ; Renin/*metabolism
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  • 3
    Publication Date: 1981-04-03
    Description: Human malignant cancer tumors grafted into nude mice produce tumors containing both human cancer cells and the host's stromal cells. After short-term propagation of these tumors in vitro, the murine mesenchymal cells appear transformed and are tumorigenic in nude mice. However, established human cancer cell lines fail to similarly after adjacent murine stromal cells when used to produce tumors in nude mice. These experiments suggest that cancer cells may recruit normal cells to become malignant, qualifying the view of the clonal (unicellular) origin of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldenberg, D M -- Pavia, R A -- 1R01 CA17198/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1981 Apr 3;212(4490):65-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7209521" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/pathology ; Animals ; Cell Line ; Cells, Cultured ; Colonic Neoplasms/pathology ; Fibrosarcoma/*etiology ; Humans ; Karyotyping ; Mice ; Mice, Inbred BALB C ; Mice, Nude ; Middle Aged ; Neoplasm Transplantation ; Neoplasms, Experimental/*etiology ; Transplantation, Heterologous
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-10-23
    Description: The addition of ethanol or other aliphatic alcohols to rat brain membranes strongly inhibits binding of enkephalins at concentrations at which little inhibition of opiate alkaloids is seen. Inhibition is reversible, and potency increases with chain length of the alcohol. The results suggest that delta receptors are considerably more sensitive to alcohols than mu receptors. This is the first demonstration of selective inhibition of one of the postulated classes of opiate receptors by a reagent that is not a ligand for the receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hiller, J M -- Angel, L M -- Simon, E J -- DA-00017/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1981 Oct 23;214(4519):468-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6270788" target="_blank"〉PubMed〈/a〉
    Keywords: Alcohols/*pharmacology ; Animals ; Brain/metabolism ; Cells, Cultured ; In Vitro Techniques ; Neuroblastoma/metabolism ; Rats ; Receptors, Opioid/classification/*drug effects/metabolism ; Structure-Activity Relationship
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-02-27
    Description: A line or rat hepatoma cells in culture which, in response to serum starvation, become arrested in the early G1 phase of growth, can be stimulated by insulin alone to enter the cell cycle and traverse S phase. A half-maximum response is observed at 30 to 70 picomolar concentrations and the maximum response is essentially identical to that found with optimum serum concentrations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koontz, J W -- Iwahashi, M -- AM 24047/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Feb 27;211(4485):947-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7008195" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle/drug effects ; Cell Division/drug effects ; Cell Line ; *Growth Substances ; Insulin/*pharmacology ; Liver Neoplasms, Experimental/*pathology ; Mitosis/drug effects ; Proinsulin/pharmacology ; Rats ; Structure-Activity Relationship
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-08-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klotz, I M -- Haney, D N -- King, L C -- New York, N.Y. -- Science. 1981 Aug 14;213(4509):724-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7256275" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Sickle Cell/*drug therapy ; Aspirin/analogs & derivatives/therapeutic use ; Chemical Phenomena ; Chemistry ; *Hemoglobin, Sickle ; Humans ; Protein Binding/drug effects ; Protein Conformation ; Salicylates/*therapeutic use ; Solubility ; Structure-Activity Relationship
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Light, W G -- New York, N.Y. -- Science. 1981 Sep 25;213(4515):1534.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7280676" target="_blank"〉PubMed〈/a〉
    Keywords: *Asbestos ; Humans ; Occupational Diseases/chemically induced ; Structure-Activity Relationship
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  • 8
    Publication Date: 1981-04-03
    Description: The antigen of a monoclonal antibody that is specific for cells of human carcinoma of the colon is a monosialoganglioside as determined by the direct binding of antibody to thin-layer chromatograms of total lipid extracts of tissues. Binding of antibody to chromatograms is detected by autoradiography after the application of iodine-125-labeled F(ab')2 of rabbit immunoglobulin G antibodies to mouse immunoglobulins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magnani, J L -- Brockhaus, M -- Smith, D F -- Ginsburg, V -- Blaszczyk, M -- Mitchell, K F -- Steplewski, Z -- Koprowski, H -- CA-10815/CA/NCI NIH HHS/ -- CA-21124/CA/NCI NIH HHS/ -- RR-05540/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1981 Apr 3;212(4490):55-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7209516" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/*immunology ; Antibodies, Neoplasm/*immunology ; Antibody Specificity ; Antigens, Neoplasm/*immunology/isolation & purification ; Cell Line ; Chromatography, Thin Layer ; Colonic Neoplasms/*immunology ; Gangliosides/*immunology/isolation & purification ; Humans ; Melanoma/immunology ; Neuraminidase/pharmacology
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  • 9
    Publication Date: 1981-09-04
    Description: Analogs of adenosine 3',5'-monophosphate (cyclic AMP) inhibit the growth of cultured cell lines. The effects of 8-bromo- and N6-butyryl-substituted analogs of cyclic and noncyclic AMP on six cell lines were examined and were equally inhibitory. Variant cell lines with altered cyclic AMP-dependent protein kinase were more resistant to both cyclic and noncyclic nucleotides. We conclude that growth inhibition by analogs of cyclic AMP (i) does not require a 3',5' phosphodiester bond and (ii) may be mediated by a pathway involving endogenous cyclic AMP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, T F -- Kowalchyk, J A -- AM 25861/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Sep 4;213(4512):1120-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6267695" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/*drug effects ; Cell Line ; Cricetinae ; Cyclic AMP/*pharmacology ; DNA/biosynthesis ; Growth Inhibitors/*pharmacology ; Mice ; Phosphodiesterase Inhibitors/pharmacology ; Structure-Activity Relationship
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-12-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maugh, T H -- New York, N.Y. -- Science. 1981 Dec 11;214(4526):1225-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7302591" target="_blank"〉PubMed〈/a〉
    Keywords: *Cephalosporins/therapeutic use ; Humans ; Research ; Structure-Activity Relationship ; United States
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-08-14
    Description: Raji cells, a human B lymphoblastoid cell line of Burkitt lymphoma origin, formed lupus inclusions when grown in a medium conditioned by the growth of Raji cells whose DNA thymidine residues had been unifilarly (single-strandedly) substituted with bromodeoxyuridine. Ultracentrifugation of this medium in excess of that required to remove Epstein-Barr virus and all other known mammalian viruses did not prevent the formation of the inclusions, and treatment of the conditioned medium with pronase destroyed the activity. These results demonstrate the presence of a protein that is secreted from bromodeoxyuridine-substituted Raji cells and is capable of inducing nonbromodeoxyuridine-substituted cells to form lupus inclusions. Interferon (100 units per milliliter) was found in the conditioned medium. Inclusions also formed in Raji cells grown in fresh medium supplemented with human leukocyte or fibroblast interferon (100 units per milliliter).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rich, S A -- New York, N.Y. -- Science. 1981 Aug 14;213(4509):772-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6166984" target="_blank"〉PubMed〈/a〉
    Keywords: Bromodeoxyuridine/*metabolism ; Burkitt Lymphoma ; Cell Line ; Culture Media ; Cytoplasmic Granules/ultrastructure ; DNA Replication ; Humans ; Interferons/*biosynthesis ; Lupus Erythematosus, Systemic/*pathology
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  • 12
    Publication Date: 1981-11-06
    Description: Partially purified thymosin fraction 5 and one of its synthetic peptide components, thymosin beta 4, but not thymosin alpha 1, stimulated secretion of luteinizing hormone--releasing factor from superfused medial basal hypothalami from random cycling female rats. In addition, luteinizing hormone was released from pituitary glands superfused in sequence with hypothalami. No release of luteinizing hormone in response to thymosin was observed from pituitaries superfused alone. These data provide the first evidence of a direct effect of the endocrine thymus on the hypothalamus and suggest a potentially important role for thymic peptides in reproductive function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rebar, R W -- Miyake, A -- Low, T L -- Goldstein, A L -- AG-01531/AG/NIA NIH HHS/ -- HD-12303/HD/NICHD NIH HHS/ -- HD-14362/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1981 Nov 6;214(4521):669-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7027442" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Gonadotropin-Releasing Hormone/*secretion ; Hormones/pharmacology ; Hypothalamo-Hypophyseal System/drug effects ; Hypothalamus/*drug effects ; Peptide Fragments/pharmacology ; Rats ; Structure-Activity Relationship ; Thymosin/*pharmacology ; Thymus Hormones/*pharmacology
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  • 13
    Publication Date: 1981-05-22
    Description: Extracts of samples of a Caribbean tunicate (ascidian, sea squirt) of the family Didemnidae inhibit in vitro at low concentrations the growth of DNA and RNA viruses as well as L1210 leukemic cells. The active compounds isolated from the tunicate, didemnins A, B, and C, are depsipeptides, and didemnin B (a derivative of didemnin A) is the component active at the lowest concentration in inhibiting viral replication in vitro and P388 leukemia in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rinehart, K L Jr -- Gloer, J B -- Hughes, R G Jr -- Renis, H E -- McGovren, J P -- Swynenberg, E B -- Stringfellow, D A -- Kuentzel, S L -- Li, L H -- AI 04769/AI/NIAID NIH HHS/ -- GM 27029/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1981 May 22;212(4497):933-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233187" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibiotics, Antineoplastic/*isolation & purification ; Antiviral Agents/*isolation & purification ; *Depsipeptides ; Leukemia, Experimental/*drug therapy ; Peptides, Cyclic/*isolation & purification/therapeutic use ; Structure-Activity Relationship ; Urochordata/*analysis
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  • 14
    Publication Date: 1981-07-31
    Description: The cell-to-cell channels in the junctions of an insect salivary gland and of insect and mammalian cells in culture were probed with fluorescent molecules-neutral linear oligosaccharides, neutral branched glycopeptides, and charged linear peptides. From the molecular dimensions of the largest permeants and smallest impermeants the permeation-limiting channel diameter was obtained: 16 to 20 angstroms for the mammalian cells and 20 to 30 angstroms for the insect cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwarzmann, G -- Wiegandt, H -- Rose, B -- Zimmerman, A -- Ben-Haim, D -- Loewenstein, W R -- CA 14464/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1981 Jul 31;213(4507):551-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7244653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chironomidae ; Fluorescent Dyes ; Glycopeptides/*metabolism ; Intercellular Junctions/*ultrastructure ; Mice ; Mice, Inbred BALB C ; Models, Molecular ; Oligosaccharides/*metabolism ; Protein Conformation ; Salivary Glands/*ultrastructure ; Species Specificity
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-08-07
    Description: The tumor promoter 12-O-tetradecanoyl-phorbol-13-acetate causes differentiation of cells of the human leukemia cell line HL60 to nondividing macrophage-like cells. These differentiated cells are cytotoxic for tumor cells (including parent, untreated HL60 cells) in vitro. Agents that induce this desirable differentiation to nondividing, antitumor effector cells may be useful in the experimental treatment of leukemia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinberg, J B -- 27070-02/PHS HHS/ -- New York, N.Y. -- Science. 1981 Aug 7;213(4508):655-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7196085" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/drug effects ; Cell Line ; *Cytotoxicity, Immunologic ; Humans ; Immunity, Cellular ; Leukemia, Experimental/immunology/*pathology ; Macrophages/cytology/*immunology ; Phorbols/*pharmacology ; Tetradecanoylphorbol Acetate/*pharmacology
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-07-31
    Description: An established line of mesenchymal cells from the human embryonic palate is highly sensitive to the stimulatory effect of epidermal growth factor on growth, labeled thymidine incorporation, and ornithine decarboxylase activity. The results suggest that epidermal growth factor may play a key role in development of various human embryonic and fetal tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoneda, T -- Pratt, R M -- New York, N.Y. -- Science. 1981 Jul 31;213(4507):563-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7017936" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division/drug effects ; Cell Line ; DNA Replication/drug effects ; Embryo, Mammalian ; Epidermal Growth Factor/*pharmacology ; Female ; Humans ; Insulin/pharmacology ; Kinetics ; Organ Specificity ; Ornithine Decarboxylase/metabolism ; Palate/drug effects/*physiology ; Peptides/*pharmacology ; Pregnancy
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  • 17
    Publication Date: 1981-06-26
    Description: The ability of murine tumor cells to metastasize spontaneously from subcutaneous sites is positively correlated with the total sialic acid content of the cells in culture, the degree to which the sialic acid is exposed on the tumor cell surface, and, most strongly, with the degree of sialylation of galactosyl and N-acetylgalactosaminyl residues in cell surface glycoconjugates. These findings suggest that sialic acid on the cell surface may play a role in tumor cell metastasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yogeeswaran, G -- Salk, P L -- CA19312-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1981 Jun 26;212(4502):1514-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233237" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/*physiology ; Cell Transformation, Neoplastic ; Cell Transformation, Viral ; Mice ; *Neoplasm Metastasis ; Neoplasms, Experimental/*physiopathology ; Sialic Acids/*analysis
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  • 18
    Publication Date: 1981-12-11
    Description: A biologically active rhodamine conjugate of thyrotropin binds at 4 degrees C to diffusely distributed membrane thyrotropin receptors which patch and become endocytosed into thyroid cells in a temperature-sensitive process. When the cells are first incubated with 8-bromo-cyclic adenosine monophosphate at 37 degrees C, the conjugate also binds to clustered receptors at 4 degrees C. Furthermore, 8-bromo-cyclic adenosine monophosphate reduces the amount of adenosine 3',5'-monophosphate (cyclic AMP) induced by thyrotropin. Hence, increased intracellular cyclic AMP induces receptor patching and reduces the concentration of cyclic AMP normally induced by thyrotropin. This suggests that cyclic AMP acts both as the second messenger of thyrotropin and also as the regulator of the level of thyrotropin receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Avivi, A -- Tramontano, D -- Ambesi-Impiombato, F S -- Schlessinger, J -- CA-25820/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1981 Dec 11;214(4526):1237-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6272396" target="_blank"〉PubMed〈/a〉
    Keywords: 8-Bromo Cyclic Adenosine Monophosphate ; Animals ; Cell Line ; Cell Membrane/drug effects/metabolism ; Cyclic AMP/*analogs & derivatives/*metabolism/pharmacology ; Rats ; Receptors, Cell Surface/drug effects/*metabolism ; Receptors, Thyrotropin ; Thyroid Gland/metabolism ; Thyrotropin/*metabolism/pharmacology
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  • 19
    Publication Date: 1981-03-06
    Description: The etiologic agent of Korean hemorrhagic fever has been propagated in a human cultured cell line derived from a carcinoma of the lung. The cells, described as type II, alveolar epithelial, support replication of the agent and successive passages. Antigen of the Korean hemorrhagic fever agent is readily detected in infected cells by means of direct or indirect fluorescent antibody techniques. Previous attempts to propagate this agent in vitro had been unsuccessful.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉French, G R -- Foulke, R S -- Brand, O A -- Eddy, G A -- Lee, H W -- Lee, P W -- New York, N.Y. -- Science. 1981 Mar 6;211(4486):1046-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6110243" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Viral/analysis ; Cell Line ; Hantavirus/*growth & development/immunology ; Hemorrhagic Fever with Renal Syndrome/*microbiology ; Humans ; Pulmonary Alveoli/microbiology ; RNA Viruses/*growth & development
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  • 20
    Publication Date: 1981-09-04
    Description: The mitogenic effect of somatomedin B on human cultured glial cells was neutralized by the addition of antibodies to mouse epidermal growth factor. Somatomedin B contained epidermal growth factor--like activity, competing for binding to the epidermal growth factor receptor. It is concluded that contaminating epidermal growth factor may explain the entire mitogenic activity of somatomedin B.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heldin, C H -- Wasteson, A -- Fryklund, L -- Westermark, B -- New York, N.Y. -- Science. 1981 Sep 4;213(4512):1122-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6973821" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division/drug effects ; Cells, Cultured ; Epidermal Growth Factor/*pharmacology ; Growth Substances/*pharmacology ; Humans ; Neuroglia ; Peptides/*pharmacology ; Somatomedins/*pharmacology ; Structure-Activity Relationship
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-05-29
    Description: Stable somatic cell hybrids were obtained by fusing Xenopus lymphocytes with mouse myeloma cells. These hybrids contained one to four Xenopus chromosomes and expressed Xenopus gene products, one of which was a lymphocyte membrane protein of 85,000 daltons precipitated by a monoclonal antibody.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hengartner, H -- Du Pasquier, L -- New York, N.Y. -- Science. 1981 May 29;212(4498):1034-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6785884" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; Antibodies, Monoclonal ; Cell Line ; Clone Cells ; Genes ; Hybrid Cells/*physiology ; Lymphocytes/*physiology ; Membrane Proteins/biosynthesis ; Mice ; Molecular Weight ; Neoplasms, Experimental/physiopathology ; Plasmacytoma/*physiopathology ; Xenopus
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-05-22
    Description: The content of tetrahydrobiopterin in rat brain was doubled by peripherally administered tetrahydrobiopterin, with the natural 1 diastereoisomer more effective than the unnatural d configuration. The model pteridine, 6-methyltetrahydropterin was ten times more efficient than tetrahydrobiopterin in crossing the blood-brain barrier, and striatal concentrations of 6-methyltetrahydropterin remained elevated for 2 hours, declining with a half-life of 3 hours. While no evidence for a specific uptake mechanism for concentrating 6-methyltetrahydropterin in cells containing tetrahydrobiopterin was detected, the pterin was found in ts presumed site of action, the nerve terminal. Replacement therapy with reduced pterins may therefore be effective in the treatment of the neurological disorders associated with the variant forms of hyperphenylalaninemia that result from defects in the biosynthesis or metabolism of tetrahydrobiopterin within the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kapatos, G -- Kaufman, S -- New York, N.Y. -- Science. 1981 May 22;212(4497):955-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233193" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biopterin/analogs & derivatives/*metabolism ; Blood-Brain Barrier ; Brain/*metabolism ; Male ; Pteridines/*metabolism ; Pterins/*metabolism ; Rats ; Stereoisomerism ; Structure-Activity Relationship
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  • 23
    Publication Date: 1981-05-01
    Description: Lactate dehydrogenase (LDH, E.C. 1.1.1.27) isozymes from three single-cell sources reacted differently with reduced nicotinamide adenine dinucleotide (NADH) purified to published chromatographic and spectrophotometric specifications and free of inhibitors of LDH, when compared with a commercial preparation of NADH. The activity of LDH-1, purified from rabbit erythrocytes, increased the most with inhibitor-free NADH; the next most stimulated were the LDH isozymes from a control hepatocyte line; but hardly responsive at all were the same isozymes from chemically transformed cells. Thus isozyme composition alone did not account for the range of responses to purified NADH. The commercial preparation of NADH used in these studies contains the Strandjord-Clayson inhibitors, the most potent group identified in NADH preparations relative to LDH activity. The results suggest that specific molecular differences in individual isozymes contribute to the differential response to the Strandjord-Clayson inhibitors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaplan, A E -- Weiss, E R -- Byrne, S T -- El-Torkey, N M -- Margolis, S A -- New York, N.Y. -- Science. 1981 May 1;212(4494):553-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7209551" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic/metabolism ; Erythrocytes/enzymology ; Isoenzymes ; L-Lactate Dehydrogenase/antagonists & inhibitors/*metabolism ; Liver Neoplasms, Experimental/enzymology ; NAD/analysis/*metabolism ; Rabbits ; Rats
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, S J -- New York, N.Y. -- Science. 1981 Jun 12;212(4500):1214.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233214" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aotus trivirgatus ; Cell Line ; Hodgkin Disease/*pathology ; Humans ; Phenotype
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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berg, P -- New York, N.Y. -- Science. 1981 Jul 17;213(4505):296-303.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6264595" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosomes/*physiology/ultrastructure ; DNA Restriction Enzymes ; DNA, Recombinant ; DNA, Viral/genetics ; *Genes ; Histones ; Humans ; Plasmids ; RNA, Messenger/genetics ; Simian virus 40/genetics ; Transduction, Genetic
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-01-16
    Description: Isolated hydra mesoglea served as a suitable substrate for the attachment and spreading of hydra cells in vitro, irrespective of the species tested. Hydra cells did not attach and spread on substrates typically used for culturing mammalian cells. Mammalian and Drosophila cells attached and spread on plastic culture dishes but not on isolated mesoglea. Xenopus epithelial cells spread on both plastic and mesoglea. Because of the similarities of hydra mesoglea to vertebrate basement membranes, suggestions are offered for using mesoglea to study the interactions of epithelial cells with their basement membranes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Day, R M -- Lenhoff, H M -- New York, N.Y. -- Science. 1981 Jan 16;211(4479):291-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444468" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basement Membrane/physiology ; Biological Evolution ; Cell Adhesion ; Cell Line ; Epithelial Cells ; Extracellular Space/physiology ; Hydra/*cytology ; Species Specificity
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  • 27
    Publication Date: 1981-10-02
    Description: The cationic technetium-99 complex trans-[99TC(dmpe)2Cl2]+, where dmpe is bis(1,2-dimethylphosphino)ethane or (CH3)2P-CH2-P(CH3)2, has been prepared and characterized by single-crystal, x-ray structural analysis. The technetium-99m analog, trans-(99mTc(dmpe) 2Cl2]+, has also been prepared and shown to yield excellent gamma-ray images of the heart. The purposeful design, characterization, and synthesis of this technetium-99m radiopharmaceutical represents a striking application of fundamental inorganic chemistry to a problem in applied nuclear medicine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deutsch, E -- Bushong, W -- Glavan, K A -- Elder, R C -- Sodd, V J -- Scholz, K L -- Fortman, D L -- Lukes, S J -- HL-21276/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1981 Oct 2;214(4516):85-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6897930" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cations, Monovalent ; Dogs ; Heart/*radionuclide imaging ; *Organotechnetium Compounds ; *Phosphines ; Structure-Activity Relationship ; *Technetium
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  • 28
    Publication Date: 1981-12-04
    Description: The guanosine analog 8-aminoguanosine is an effective inhibitor of the purine degradative enzyme purine nucleoside phosphorylase, both in vitro and in intact lymphoid cells. In a human lymphoblast tissue culture system, 8-aminoguanosine, in combination with low concentrations of 2'-deoxyguanosine, causes toxicity toward T cells but not B cells. The selective T cell toxicity correlates with increased accumulation of deoxyguanosine triphosphate in the treated T lymphoblasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kazmers, I S -- Mitchell, B S -- Dadonna, P E -- Wotring, L L -- Townsend, L B -- Kelley, W N -- AM 19045/AM/NIADDK NIH HHS/ -- CA 26032/CA/NCI NIH HHS/ -- CA 26284/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1981 Dec 4;214(4525):1137-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6795718" target="_blank"〉PubMed〈/a〉
    Keywords: B-Lymphocytes/enzymology ; Cell Line ; Deoxyguanosine/pharmacology ; Guanosine/*analogs & derivatives/pharmacology ; Humans ; Kinetics ; Pentosyltransferases/*antagonists & inhibitors ; Purine-Nucleoside Phosphorylase/*antagonists & inhibitors ; T-Lymphocytes/drug effects/*enzymology
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-09-25
    Description: The site of plasminogen activator release by differentiated neuroblastoma clonal cell lines was determined with a fibrin overlay assay. Release of plasminogen activator was seen at the growth cone in 72 percent of the cells bearing neurites. For 21 percent of these cells the growth cone was the predominant or exclusive site of this enzyme activity. Selective release of protease at the "trailblazing" tip of the neurite may be important in neuron migration and neurite growth in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krystosek, A -- Seeds, N W -- New York, N.Y. -- Science. 1981 Sep 25;213(4515):1532-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7197054" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; *Cell Movement ; Cytochalasin B/pharmacology ; Fibroblasts/metabolism ; Mice ; Neuroblastoma ; Neurons/cytology/*enzymology ; Plasminogen Activators/*metabolism/secretion ; Secretory Rate/drug effects
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  • 30
    Publication Date: 1981-05-22
    Description: This study suggests one mechanism by which alveolar macrophages accumulate in the lung in pulmonary emphysema: elastin fragments generated at the diseased sites are potent chemoattractants for monocytes, the precursors of the macrophages. The most chemotactic elastin fragments have a molecular weight between 10,000 and 50,000 and are active at concentrations as low as 3 nanograms per milliliter. By comparison, elastin fragments with higher molecular weights and desmosines are active at concentrations greater than 0.3 microgram per milliliter. In addition, preincubation of monocytes with the 10,000- to 50,000-dalton elastin impairs the ability of the cells to migrate toward elastin fragments but not toward activated serum. Fragments of tropoelastin are not chemotactic for monocytes. Because elastin, but not tropoelastin, contains lysyl-derived cross-links, these structures may be the active chemotactic site on the elastin fragments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunninghake, G W -- Davidson, J M -- Rennard, S -- Szapiel, S -- Gadek, J E -- Crystal, R G -- New York, N.Y. -- Science. 1981 May 22;212(4497):925-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233186" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; Chemotaxis, Leukocyte/*drug effects ; Dose-Response Relationship, Drug ; Elastin/*analogs & derivatives/*pharmacology ; Humans ; Macrophages/physiology ; Monocytes/*physiology ; Peptide Fragments/pharmacology ; Pulmonary Emphysema/*physiopathology ; Structure-Activity Relationship ; Tropoelastin/*pharmacology
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maugh, T H 2nd -- New York, N.Y. -- Science. 1981 Sep 11;213(4513):1238.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7268430" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/*isolation & purification ; Lactams/*isolation & purification ; Structure-Activity Relationship
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  • 32
    Publication Date: 1981-12-11
    Description: "Small cells" or "oat cells" characterize a virulent form of lung cancer and share many biochemical properties with peptide-secreting neurones. The neuropeptide bombesin is present in all small-cell lines examined, but not in other lung cancer cell lines, suggesting that bombesinergic precursor cells in lung may give rise to this disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moody, T W -- Pert, C B -- Gazdar, A F -- Carney, D N -- Minna, J D -- New York, N.Y. -- Science. 1981 Dec 11;214(4526):1246-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6272398" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/analysis ; Bombesin/*analysis ; Carcinoma, Small Cell/*analysis ; Carcinoma, Squamous Cell/analysis ; Cell Line ; Humans ; Lung Neoplasms/*analysis ; Mesothelioma/analysis ; Peptides/*analysis
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  • 33
    Publication Date: 1981-07-31
    Description: Pineal N-acetyltransferase can be inactivated in broken cell preparations by cystamine through a mechanism of thiol-disulfide exchange. Some, but not all, disulfide-containing peptides can inactivate this enzyme; the most potent inactivator is insulin. These findings suggest that a disulfide-containing peptide with high reactivity toward N-acetyltransferase may participate in the intracellular regulation of this enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Namboodiri, M A -- Favilla, J T -- Klein, D C -- New York, N.Y. -- Science. 1981 Jul 31;213(4507):571-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7017937" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/*antagonists & inhibitors ; Animals ; Disulfides/pharmacology ; Dithiothreitol/pharmacology ; Hormones/pharmacology ; Hydrogen-Ion Concentration ; Insulin/*pharmacology ; Kinetics ; Male ; Peptides/*pharmacology ; Pineal Gland/*enzymology ; Rats ; Structure-Activity Relationship
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  • 34
    Publication Date: 1981-08-21
    Description: Ventriculocisternal administration of dl- and d-propranolol produced dose-dependent increases in cerebrospinal fluid norepinephrine and reductions in blood pressure. A highly significant correlation was found between the increase in norepinephrine and the hypotensive effect. The propranolol-induced hypotension was prevented by intracisternal phentolamine. These data indicate that the hypotensive effect of centrally administered propranolol results from a drug-induced release of norepinephrine, which stimulates central alpha receptors to lower arterial pressure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tackett, R L -- Webb, J G -- Privitera, P J -- 5T32 HL07260-02/HL/NHLBI NIH HHS/ -- GM 20387/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1981 Aug 21;213(4510):911-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7256285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Pressure/*drug effects ; Dogs ; Injections, Intraventricular ; Isomerism ; Norepinephrine/*cerebrospinal fluid ; Propranolol/administration & dosage/*pharmacology ; Structure-Activity Relationship
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  • 35
    Publication Date: 1981-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vale, W -- Spiess, J -- Rivier, C -- Rivier, J -- AM 18811/AM/NIADDK NIH HHS/ -- AM 20917/AM/NIADDK NIH HHS/ -- AM 26741/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Sep 18;213(4514):1394-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6267699" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/*secretion ; Amino Acid Sequence ; Amphibian Proteins ; Angiotensinogen ; Animals ; Corticotropin-Releasing Hormone/*isolation & purification ; Endorphins/*secretion ; Hypothalamo-Hypophyseal System/physiology ; Peptide Hormones ; Peptides ; Pituitary Gland, Anterior/*secretion ; Pituitary Hormone-Releasing Hormones/*isolation & purification ; Radioimmunoassay ; Sheep ; Structure-Activity Relationship
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  • 36
    Publication Date: 1981-04-24
    Description: Twenty micromolar hemin causes no change in the rate of division of K562 cells but results in accumulation of 11 to 14 picograms of embryonic and fetal hemoglobins per cell. This effect is reversible, and hemoglobin induction in response to hemin, and loss of hemoglobin upon removal of hemin, can be cyclically repeated. The cells can be indefinitely subcultured in the presence of the inducer. Thus, the control of hemoglobin levels in K562 cells does not depend on irreversible differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dean, A -- Erard, F -- Schneider, A P -- Schechter, A N -- AM 00103/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Apr 24;212(4493):459-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6163216" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Differentiation/drug effects ; Cell Line ; Fetal Hemoglobin/biosynthesis ; Gene Expression Regulation/drug effects ; Heme/*analogs & derivatives ; Hemin/*pharmacology ; Hemoglobins/*biosynthesis ; Humans
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gambetti, P -- Autilio Gambetti, L -- Papasozomenos, S C -- AG 00795/AG/NIA NIH HHS/ -- NS 14509/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1981 Sep 25;213(4515):1521-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6169146" target="_blank"〉PubMed〈/a〉
    Keywords: Cytoskeleton/*ultrastructure ; Electrophoresis, Polyacrylamide Gel ; Molecular Weight ; Proteins ; Silver ; *Staining and Labeling ; Structure-Activity Relationship
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  • 38
    Publication Date: 1981-02-06
    Description: Metkephamid is an analog of methionine enkephalin that retains high affinity for the delta receptor and is a systemically active analgesic. Since it is at least 100 times more potent than morphine as an analgesic when placed directly into the lateral ventricles, and is 30 to 100 times more potent on the delta receptor and yet is roughly equipotent on the mu receptor in vitro, it is concluded that it probably produces analgesia by action on delta receptors as well as, or rather than, on mu receptors. It has less tendency to produce respiratory depression, tolerance, and physical dependence than standard analgesics, and it is presently undergoing clinical trial.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frederickson, R C -- Smithwick, E L -- Shuman, R -- Bemis, K G -- New York, N.Y. -- Science. 1981 Feb 6;211(4482):603-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6256856" target="_blank"〉PubMed〈/a〉
    Keywords: *Analgesics ; Animals ; Brain/*drug effects ; Dose-Response Relationship, Drug ; Endorphins/*pharmacology ; *Enkephalin, Methionine/*analogs & derivatives ; Enkephalins/*pharmacology ; Humans ; Kinetics ; Male ; Mice ; Rats ; Receptors, Opioid/*drug effects ; Structure-Activity Relationship ; Substance-Related Disorders/etiology
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  • 39
    Publication Date: 1981-11-27
    Description: Neurogenic factors released by antidromic nerve stimulation are thought to be in part responsible for the vasodilation and breakdown of the blood-aqueous barrier that follows trauma to the eye. Substance P is one candidate for the mediation of the inflammatory response since it is thought to be a neurotransmitter in sensory afferents and since exogenous substance P is capable of eliciting a response characteristic of inflammation. In rabbits, intravitreal or topical application onto the eye of a specific substance P antagonist, [d-Pro2, D-Trp7,9]SP, inhibited not only the irritant effects of exogenous substance P but also the inflammatory response to a standardized trauma (infrared irradiation of the iris). These observations suggest that substance P, or a related peptide, is a neurogenic mediator of the inflammatory response in the eye.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holmdahl, G -- Hakanson, R -- Leander, S -- Rosell, S -- Folkers, K -- Sundler, F -- New York, N.Y. -- Science. 1981 Nov 27;214(4524):1029-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6171036" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Eye Diseases/*drug therapy ; Inflammation/*drug therapy ; Infrared Rays ; Pupil/drug effects/radiation effects ; Rabbits ; Structure-Activity Relationship ; Substance P/*analogs & derivatives/*antagonists & inhibitors/therapeutic use
    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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  • 40
    Publication Date: 1981-05-15
    Description: Two distinct serotonin (5-hydroxytryptamine) receptors designated serotonin 1 and serotonin 2 bind tritium-labeled serotonin and tritium-labeled spiroperidol, respectively. Drug potencies at serotonin 2 sites, but not at serotonin 1 sites, predict their effects on the "serotonin behavioral syndrome," indicating that serotonin 2 sites mediate these behaviors. The limited correlation of drug effects with regulation by guanine nucleotides suggests that serotonin 1 sites might be linked to adenylate cyclase. Drug specificities of serotonin-elicited synaptic inhibition and excitation may reflect serotonin 1 and serotonin 2 receptor interactions, respectively.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peroutka, S J -- Lebovitz, R M -- Snyder, S H -- DA-00074/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1981 May 15;212(4496):827-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7221567" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Animals ; Behavior, Animal/*physiology ; Brain/*physiology ; Guanine Nucleotides/physiology ; Kinetics ; Male ; Rats ; Receptors, Serotonin/*physiology ; Serotonin/metabolism ; Spiperone/metabolism ; Structure-Activity Relationship
    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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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1981-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Racker, E -- Spector, M -- CA-08964/CA/NCI NIH HHS/ -- CA-14454/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1981 Jul 17;213(4505):303-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6264596" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/*metabolism ; Animals ; Avian Sarcoma Viruses/metabolism ; Brain/*enzymology ; Carcinoma, Ehrlich Tumor/*metabolism ; Cell Line ; Cell Transformation, Neoplastic ; Electric Organ/enzymology ; Electrophorus ; *Glycolysis/drug effects ; Macromolecular Substances ; Mice ; Molecular Weight ; Neoplasms, Experimental/metabolism ; Ouabain/pharmacology ; Oxidation-Reduction ; Polyomavirus/metabolism ; Protein Kinases/metabolism ; Sodium-Potassium-Exchanging ATPase/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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  • 42
    Publication Date: 1981-04-03
    Description: Four new synthetic analogs of vasopressin (antidiuretic hormone) can antagonize the antidiuretic response to intravenous vasopressin in anesthetized, water-loaded rats. They also cause a diuresis resembling that of diabetes insipidus when given intraperitoneally to conscious rats. Such antagonists may prove to be useful both pharmacologically and therapeutically.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sawyer, W H -- Pang, P K -- Seto, J -- McEnroe, M -- Lammek, B -- Manning, M -- AM 01940/AM/NIADDK NIH HHS/ -- GM 25280/GM/NIGMS NIH HHS/ -- HL 12738/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1981 Apr 3;212(4490):49-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7209515" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginine Vasopressin/*analogs & derivatives/chemical synthesis/pharmacology ; Diuresis/*drug effects ; Female ; Osmolar Concentration ; Rats ; Structure-Activity Relationship ; Vasopressins/*antagonists & inhibitors
    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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