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  • Rabbits  (40)
  • American Association for the Advancement of Science (AAAS)  (40)
  • International Union of Crystallography
  • 1980-1984  (40)
  • 1935-1939
  • 1925-1929
  • 1984  (17)
  • 1983  (23)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (40)
  • International Union of Crystallography
  • Springer  (1)
Years
  • 1980-1984  (40)
  • 1935-1939
  • 1925-1929
Year
  • 1
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    Bioactive cardiac substances: potent vasorelaxant activity in mammalian atria (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-07-01
    Description: Mammalian atrial extracts possess natriuretic and diuretic activity. In experiments reported here it was found that atrial, but not ventricular, extract also causes relaxation of isolated vascular and nonvascular smooth muscle preparations. The smooth muscle relaxant activity of atrial extract was heat-stable and concentration-dependent and could be destroyed with protease. Rabbit aortic and chick rectum strips were used for the detection of atrial biological activity. The atrial activity was separated by column chromatography into two peaks having apparent molecular weights of 20,000 to 30,000 and less than 10,000. The atrial substance that copurified with the smooth muscle relaxant activity in both peaks caused natriuresis when injected into conscious rats. It appears that atria possess at least two peptides that elicit smooth muscle relaxation and natriuresis, suggesting an endogenous system of fluid volume regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Currie, M G -- Geller, D M -- Cole, B R -- Boylan, J G -- YuSheng, W -- Holmberg, S W -- Needleman, P -- New York, N.Y. -- Science. 1983 Jul 1;221(4605):71-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6857267" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atrial Function ; Chickens ; Chromatography, Gel ; Dogs ; Dose-Response Relationship, Drug ; Humans ; Molecular Weight ; Muscle, Smooth/drug effects ; Muscle, Smooth, Vascular/*drug effects ; Natriuresis/drug effects ; Rabbits ; Rats ; Swine ; Vasodilation/drug effects
    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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  • 2
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    Protein phosphatases: properties and role in cellular regulation (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-07-22
    Description: Protein phosphorylation is a principal regulatory mechanism in the control of almost all cellular processes. The nature of the protein phosphatases that participate in these reactions has been a subject of controversy. Four enzymes, termed protein phosphatases 1, 2A, 2B, and 2C, account for virtually all of the phosphatase activity toward phosphoproteins involved in controlling glycogen metabolism, glycolysis, gluconeogenesis, fatty acid synthesis, cholesterol synthesis, and protein synthesis. The properties, physiological roles, and mechanisms for regulating the four protein phosphatases are reviewed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ingebritsen, T S -- Cohen, P -- New York, N.Y. -- Science. 1983 Jul 22;221(4608):331-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6306765" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/physiology ; Cyclic AMP/metabolism ; Glycogen/metabolism ; Liver/enzymology ; Muscles/enzymology ; Phosphoprotein Phosphatases/classification/*physiology ; Phosphoproteins/metabolism ; Phosphorylase Phosphatase/metabolism ; Phosphorylation ; Protein Biosynthesis ; Protein Kinases/physiology ; Rabbits ; Rats
    Print ISSN: 0036-8075
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  • 3
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    Oxygen tension regulates the expression of angiogenesis factor by macrophages (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-09-23
    Description: When cultured in a hypoxic environment similar to that found in the center of a wound, macrophages secreted active angiogenesis factor into the medium. Under conditions similar to those of well-oxygenated tissue, macrophages did not secrete active angiogenesis factor. Macrophages that secreted the factor at hypoxic conditions stopped secreting it when returned to room air. Thus the control of angiogenesis in wound healing may be the result of macrophages responding to tissue oxygen tension without the necessity of interacting with other cell types or biochemical signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knighton, D R -- Hunt, T K -- Scheuenstuhl, H -- Halliday, B J -- Werb, Z -- Banda, M J -- GM27345/GM/NIGMS NIH HHS/ -- HL26323/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1983 Sep 23;221(4617):1283-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6612342" target="_blank"〉PubMed〈/a〉
    Keywords: Angiogenesis Inducing Agents/*biosynthesis ; Animals ; Anoxia/physiopathology ; Cells, Cultured ; Cornea ; Growth Substances/*biosynthesis ; Macrophages/*physiology ; Models, Biological ; Oxygen/*physiology ; Rabbits ; *Wound Healing
    Print ISSN: 0036-8075
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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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    Cholesterol--heart disease link illuminated. New findings explain how blood cholesterol levels are controlled and how to lower them substantially in persons at high risk of heart disease (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-09-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1983 Sep 16;221(4616):1164-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6310747" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anticholesteremic Agents/therapeutic use ; Cholesterol/*blood ; Coronary Disease/drug therapy/*etiology ; Humans ; Lovastatin ; Naphthalenes/therapeutic use ; Rabbits ; Receptors, Cell Surface/physiology ; Receptors, LDL
    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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  • 5
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    Bone cell differentiation and growth factors (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-13
    Description: Bone morphogenetic protein and bone-derived growth factors are biochemical tools for research on induced cell differentiation and local mechanisms controlling cell proliferation. Bone morphogenetic protein irreversibly induces differentiation of perivascular mesenchymal-type cells into osteoprogenitor cells. Bone-derived growth factors are secreted by and for osteoprogenitor cells and stimulate DNA synthesis. Bone generation and regeneration are attributable to the co-efficiency of bone morphogenetic protein and bone-derived growth factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Urist, M R -- DeLange, R J -- Finerman, G A -- DEO2103-17/DE/NIDCR NIH HHS/ -- New York, N.Y. -- Science. 1983 May 13;220(4598):680-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6403986" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bone Development ; Bone Matrix/drug effects/physiology ; Bone Morphogenetic Proteins ; Bone Neoplasms/physiopathology ; Cattle ; Cell Differentiation ; DNA, Neoplasm/metabolism ; Dogs ; Growth Substances/*physiology ; Guinea Pigs ; Haplorhini ; Humans ; Insulin-Like Growth Factor II ; Mice ; *Osteogenesis ; Osteosarcoma/physiopathology ; Proteins/pharmacology/physiology ; Rabbits ; Rats
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Potentiation of glucocorticoid activity by 5 beta-dihydrocortisol: its role in glaucoma (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-10-14
    Description: 5 beta-Dihydrocortisol potentiated the threshold level (the smallest dose producing a measurable effect) of topically applied cortisol (0.02 percent) and dexamethasone (0.003 percent) in causing nuclear translocation of the cytosolic glucocorticoid receptor in rabbit iris-ciliary body tissue. 5 beta-Dihydrocortisol accumulates in cells cultured from trabecular meshwork specimens from patients with primary open-angle glaucoma, but not in similar cells derived from nonglaucomatous patients. In view of the sensitivity of patients with primary open-angle glaucoma to the effects of glucocorticoids in raising intraocular pressure, this potentiation may be responsible for the steroid sensitivity and for the ocular hypertension seen in this disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinstein, B I -- Gordon, G G -- Southren, A L -- EY 01313/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1983 Oct 14;222(4620):172-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6623065" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleus/metabolism ; Ciliary Body/metabolism ; Cytoplasm/metabolism ; Dexamethasone/pharmacology ; Glaucoma, Open-Angle/*physiopathology ; Hydrocortisone/pharmacology ; Intraocular Pressure/*drug effects ; Iris/metabolism ; Rabbits ; Receptors, Glucocorticoid/*drug effects/metabolism ; Receptors, Steroid/*drug effects
    Print ISSN: 0036-8075
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  • 7
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    Noninvasive observations of fluorinated anesthetics in rabbit brain by fluorine-19 nuclear magnetic resonance (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-10-28
    Description: Fluorinated anesthetics were observed noninvasively in the brain of intact rabbits with fluorine-19 nuclear magnetic resonance spectroscopy. High-resolution fluorine-19 spectra of halothane, methoxyflurane, and isoflurane were obtained with a surface coil centered over the calvarium. Elimination of halothane from the brain was also monitored by this technique. Residual fluorine-19 signals from halothane (or a metabolite) could be detected as long as 98 hours after termination of anesthesia. These observations demonstrate the feasibility of using this technique to study the fate of fluorinated anesthetics in live mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wyrwicz, A M -- Pszenny, M H -- Schofield, J C -- Tillman, P C -- Gordon, R E -- Martin, P A -- GM 29520/GM/NIGMS NIH HHS/ -- K04 GM 00503/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Oct 28;222(4622):428-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6623084" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; Halothane/*metabolism ; Isoflurane/*metabolism ; Kinetics ; Magnetic Resonance Spectroscopy ; Methoxyflurane/*metabolism ; Methyl Ethers/*metabolism ; Rabbits
    Print ISSN: 0036-8075
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  • 8
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    Leukotrienes: mediators of immediate hypersensitivity reactions and inflammation (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-06
    Description: Arachidonic acid plays a central role in a biological control system where such oxygenated derivatives as prostaglandins, thromboxanes, and leukotrienes are mediators. The leukotrienes are formed by transformation of arachidonic acid into an unstable epoxide intermediate, leukotriene A4, which can be converted enzymatically by hydration to leukotriene B4, and by addition of glutathione to leukotriene C4. This last compound is metabolized to leukotrienes D4 and E4 by successive elimination of a gamma-glutamyl residue and glycine. Slow-reacting substance of anaphylaxis consists of leukotrienes C4, D4, and E4. The cysteinyl-containing leukotrienes are potent bronchoconstrictors, increase vascular permeability in postcapillary venules, and stimulate mucus secretion. Leukotriene B4 causes adhesion and chemotactic movement of leukocytes and stimulates aggregation, enzyme release, and generation of superoxide in neutrophils. Leukotrienes C4, D4, and E4, which are released from the lung tissue of asthmatic subjects exposed to specific allergens, seem to play a pathophysiological role in immediate hypersensitivity reactions. These leukotrienes, as well as leukotriene B4, have pro-inflammatory effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samuelsson, B -- New York, N.Y. -- Science. 1983 May 6;220(4597):568-75.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6301011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachidonic Acids/metabolism/pharmacology/physiology ; Bronchi/drug effects ; Cats ; Chemical Phenomena ; Chemistry ; Cricetinae ; Guinea Pigs ; Haplorhini ; Humans ; Hypersensitivity, Immediate/*physiopathology ; Inflammation/*physiopathology ; Leukocytes/drug effects/metabolism ; Leukotriene B4/pharmacology/*physiology ; Mice ; Microcirculation/drug effects ; Rabbits ; Rats ; SRS-A/*physiology
    Print ISSN: 0036-8075
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  • 9
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    Initiation of angiogenesis by human follicular fluid (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: Angiogenesis was observed and measured after injection of human follicular fluid into rabbit corneas. Undiluted human follicular fluid stimulated angiogenesis in every case, with new blood vessels visible 3 days after injection and extending 2.0 millimeters from the corneal scleral limbus into the injection site by day 15. Stimulation of angiogenesis was lost by heating or diluting the follicular fluid but was retained after charcoal stripping or dialysis. Human follicular fluid contains an angiogenic factor that may be associated with perifollicular neovascularization during folliculogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frederick, J L -- Shimanuki, T -- diZerega, G S -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):389-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200930" target="_blank"〉PubMed〈/a〉
    Keywords: Angiogenesis Inducing Agents/*analysis ; Animals ; Body Fluids/*analysis ; Chorionic Gonadotropin/pharmacology ; Cornea/blood supply ; Dialysis ; Female ; Growth Substances/*analysis ; Hot Temperature ; Humans ; Menstruation ; *Neovascularization, Pathologic ; Ovarian Follicle/*analysis ; Rabbits
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Identification and location of brain protein 4.1 (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-29
    Description: Protein 4.1 is a membrane skeletal protein that converts the low-affinity interaction between spectrin and actin into a high-affinity ternary complex of spectrin, protein 4.1, and actin that is essential to the structural stability of the erythrocyte. Pig brain was shown to contain an 87-kilodalton immunoreactive analog of protein 4.1 that has partial sequence homology with pig erythrocyte protein 4.1 and the same location as spectrin in the cortical cytoplasm of neuronal and glial cell types of the cerebellum.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodman, S R -- Casoria, L A -- Coleman, D B -- Zagon, I S -- HL 26059/HL/NHLBI NIH HHS/ -- NS19357/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1433-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6374897" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Blood Proteins/*metabolism ; Brain/*metabolism ; *Cytoskeletal Proteins ; Erythrocytes/metabolism ; Fluorescent Antibody Technique ; Immunoglobulin G/immunology ; Male ; *Membrane Proteins ; *Neuropeptides ; Rabbits ; Spectrin/metabolism ; Swine
    Print ISSN: 0036-8075
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  • 11
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    The biochemistry of memory: a new and specific hypothesis (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: Recent studies have uncovered a synaptic process with properties required for an intermediate step in memory storage. Calcium rapidly and irreversibly increases the number of receptors for glutamate (a probable neurotransmitter) in forebrain synaptic membranes by activating a proteinase (calpain) that degrades fodrin, a spectrin-like protein. This process provides a means through which physiological activity could produce long-lasting changes in synaptic chemistry and ultrastructure. Since the process is only poorly represented in the brain stem, it is hypothesized to be responsible for those forms of memory localized in the telencephalon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lynch, G -- Baudry, M -- AG 00538/AG/NIA NIH HHS/ -- MH 19793-12/MH/NIMH NIH HHS/ -- NH 00358-03/NH/NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1057-63.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6144182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/physiology ; Calpain ; Carrier Proteins/physiology ; Cerebral Cortex/physiology ; Endopeptidases/physiology ; Glutamates/physiology ; Glutamic Acid ; Hippocampus/physiology ; Humans ; Learning/physiology ; Leupeptins/pharmacology ; Memory/*physiology ; *Microfilament Proteins ; Neuronal Plasticity ; Rabbits ; Rats ; Receptors, Cell Surface/physiology ; Receptors, Glutamate ; Receptors, Neurotransmitter/physiology ; Synapses/physiology ; Synaptic Membranes/physiology ; Telencephalon/physiology
    Print ISSN: 0036-8075
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  • 12
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    Cerebellum: essential involvement in the classically conditioned eyelid response (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-20
    Description: Classical conditioning of the eyelid response in the rabbit was used to investigate the neuronal structures mediating basic associative learning of discrete, adaptive responses. Lesions of the ipsilateral dentate-interpositus nuclei, but not of the cerebellar cortex, abolished the learned eyeblink response. Recordings from these nuclei have revealed neuronal responses related to the learning of the response. Stimulating these recording sites produced the eyelid response. The dentate-interpositus nuclei were concluded to be critically involved in the learning and production of classically conditioned responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCormick, D A -- Thompson, R F -- 1-F31-MH08673/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1984 Jan 20;223(4633):296-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701513" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Animals ; *Blinking ; Cerebellar Cortex/physiology ; Cerebellum/*physiology ; *Conditioning, Classical ; *Conditioning, Eyelid ; Rabbits
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  • 13
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    Location and chemical synthesis of a pre-S gene coded immunodominant epitope of hepatitis B virus (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: Immunodominant, disulfide-bond independent epitopes recognized by human antibodies to hepatitis B virus (HBV) are located within the 55-residue amino terminal portion (coded for by the pre-S region of HBV DNA) of minor HBV envelope components larger than the major protein constituents encoded by the S gene. A peptide having the sequence of the first 26 amino acids from the amino terminal methionine was synthesized and elicited antibodies (at dilutions of greater than or equal to 1 to 10(5) ) to the HBV envelope. These antibodies can be utilized for diagnostic tests. The immunogenicity of the peptide was substantially increased by covalent attachment to liposomes. The disulfide bond-independent determinants on sequences coded for by the pre-S gene may be more easily mimicked by peptide analogs than "conformational" determinants on the S-gene product.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neurath, A R -- Kent, S B -- Strick, N -- 9011/PHS HHS/ -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):392-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200931" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Epitopes/*analysis/genetics/immunology ; *Genes, Viral ; Hepatitis B Antibodies/biosynthesis ; Hepatitis B Surface Antigens/analysis/genetics/*immunology ; Hepatitis B virus/genetics/*immunology ; Immunization ; Liposomes ; Peptides/chemical synthesis/genetics/*immunology ; Rabbits
    Print ISSN: 0036-8075
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  • 14
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    Antibodies to human c-myc oncogene product: evidence of an evolutionarily conserved protein induced during cell proliferation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: Antisera to a synthetic c-myc peptide and to c-myc antigens synthesized from various portions of the human gene expressed in Escherichia coli were used in order to characterize the protein product of the human c-myc oncogene. Although the deduced molecular weight of the human c-myc protein is 49,000, these antisera precipitate a protein from human cells that migrates in sodium dodecyl sulfate-polyacrylamide gel as if its molecular weight were 65,000. In addition, the mouse c-myc protein, whether synthesized in cells or in a cell-free system directed by pure, synthetic messenger RNA, has analogous properties and is immunoprecipitated by the antiserum to the human c-myc protein. Similar proteins are immunoprecipitated from monkey, rat, hamster, and frog cells, suggesting evolutionary conservation of antigenic structure of the c-myc protein among vertebrates. In addition, and in a manner consistent with the behavior of its messenger RNA, the immunoprecipitable c-myc protein is sharply induced by the action of mitogens on resting human T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Persson, H -- Hennighausen, L -- Taub, R -- DeGrado, W -- Leder, P -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):687-93.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6431612" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Neoplasm/*immunology ; Base Sequence ; *Cell Division ; Chickens ; Cricetinae ; DNA, Neoplasm/genetics ; DNA, Recombinant/metabolism ; Electrophoresis, Polyacrylamide Gel ; Haplorhini ; Humans ; Mice ; Mitogens/pharmacology ; Molecular Weight ; Neoplasm Proteins/genetics/*immunology ; *Oncogenes ; RNA, Messenger/genetics ; Rabbits ; Rats
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  • 15
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    Plasmodium knowlesi sporozoite antigen: expression by infectious recombinant vaccinia virus (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: The gene coding for the circumsporozoite antigen of the malaria parasite Plasmodium knowlesi was inserted into the vaccinia virus genome under the control of a defined vaccinia virus promoter. Cells infected with the recombinant virus synthesized polypeptides of 53,000 to 56,000 daltons that reacted with monoclonal antibody against the repeating epitope of the malaria protein. Furthermore, rabbits vaccinated with the recombinant virus produced antibodies that bound specifically to sporozoites. These data provide evidence for expression of a cloned malaria gene in mammalian cells and illustrate the potential of vaccinia virus recombinants as live malaria vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, G L -- Godson, G N -- Nussenzweig, V -- Nussenzweig, R S -- Barnwell, J -- Moss, B -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):397-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6200932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; Antigens, Surface/analysis/*genetics/immunology ; *Cloning, Molecular ; *DNA, Recombinant ; Epitopes/immunology ; Genes ; Genes, Viral ; Genetic Vectors ; Operon ; Plasmodium/*genetics/immunology ; Rabbits ; Vaccination ; Vaccinia virus/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Long-term potentiation of hippocampal synaptic transmission affects rate of behavioral learning (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-11
    Description: Electrical stimulation techniques were used to produce a long-lasting potentiation of synaptic transmission in the hippocampus of naive rabbits. Animals were then classically conditioned. Long-term potentiation of the hippocampus before training increased the rate at which animals subsequently learned the conditioning task. This result has significance for potential cellular mechanisms of associative learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berger, T W -- MH 00343/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1984 May 11;224(4649):627-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6324350" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Electric Stimulation ; Hippocampus/*physiology ; Learning/*physiology ; Male ; Nictitating Membrane/physiology ; Rabbits ; Receptors, Neurotransmitter/physiology ; Synapses/physiology ; *Synaptic Transmission
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  • 17
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    Clustering of human H1 and core histone genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: An H1 histone gene was isolated from a 15-kilobase human DNA genomic sequence. The presence of H2A, H2B, H3, and H4 genes in this same 15-kilobase fragment indicates that mammalian core and H1 histone genes are clustered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carozzi, N -- Marashi, F -- Plumb, M -- Zimmerman, S -- Zimmerman, A -- Coles, L S -- Wells, J R -- Stein, G -- Stein, J -- GM 32010/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1115-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719136" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/genetics ; *Genes ; HeLa Cells ; Histones/*genetics ; Humans ; Nucleic Acid Hybridization ; Rabbits ; Trout ; Xenopus
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  • 18
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    Altered activity in the hippocampus is more detrimental to classical conditioning than removing the structure (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-15
    Description: Hippocampal ablation has no effect on the acquisition of the rabbit's classically conditioned nictitating membrane response. Systemic administration of scopolamine, which alters hippocampal neuronal activity, severely retards acquisition of the conditioned response in normal animals and those with cortical ablations. In animals with hippocampal ablations, however, scopolamine has no effect on conditioning. These findings suggest that altered neuronal activity in the hippocampus is more detrimental to conditioning than removing the structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Solomon, P R -- Solomon, S D -- Schaaf, E V -- Perry, H E -- MH33381/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 15;220(4594):329-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836277" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conditioning, Classical/drug effects/*physiology ; Female ; Hippocampus/drug effects/*physiology ; Male ; Nictitating Membrane/physiology ; Rabbits ; Scopolamine Hydrobromide/pharmacology
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  • 19
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    Amiloride directly inhibits the Na,K-ATPase activity of rabbit kidney proximal tubules (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-27
    Description: Amiloride inhibited the ouabain-sensitive rate of oxygen consumption (QO2) of a suspension of rabbit intact proximal tubules in the presence of different concentrations of extracellular sodium. Measurements of the ouabain-sensitive QO2 in the presence of nystatin, the tissue sodium and potassium contents of the tubules in suspension, and the sodium- and potassium-dependent adenosinetriphosphatase (Na,K-ATPase) activity of lysed tubule membranes indicated that the effect of amiloride was due to a direct inhibition of the Na,K-ATPase activity of the proximal tubule.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soltoff, S P -- Mandel, L J -- AM26816/AM/NIADDK NIH HHS/ -- GM29256/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 May 27;220(4600):957-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6302840" target="_blank"〉PubMed〈/a〉
    Keywords: Amiloride/*pharmacology ; Animals ; Dose-Response Relationship, Drug ; Female ; Ion Channels/drug effects ; Kidney Tubules, Proximal/drug effects/*enzymology ; Nystatin/pharmacology ; Ouabain/pharmacology ; Oxygen Consumption/drug effects ; Pyrazines/*pharmacology ; Rabbits ; Rats ; Sodium/metabolism ; Sodium-Potassium-Exchanging ATPase/*antagonists & inhibitors/metabolism
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  • 20
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    Surface-active biomaterials (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-09
    Description: Since the discovery in 1969 of a man-made surface-active material that would bond to bone, a range of materials with the same ability has been developed. These include glass, glass-ceramic, and ceramic materials which have a range of reaction rates and from which it should be possible to select a surface-active material for a specific application. The available materials and their similarities, differences, and current clinical applications are reviewed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hench, L L -- Wilson, J -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):630-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6093253" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biocompatible Materials/metabolism/therapeutic use ; Bone Cements/therapeutic use ; Bone and Bones/metabolism ; Ceramics ; Dogs ; Durapatite ; Glass ; Humans ; Hydroxyapatites/therapeutic use ; Male ; Orthodontics ; Rabbits ; Rats ; Rats, Inbred Strains ; Surface Properties ; Tissue Adhesives/therapeutic use
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 21
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    Shiga-like toxin-converting phages from Escherichia coli strains that cause hemorrhagic colitis or infantile diarrhea (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-09
    Description: Escherichia coli K-12 acquired the ability to produce a high titer of Shiga-like toxin after lysogenization by either of two different bacteriophages isolated from a highly toxinogenic Escherichia coli O157:H7 strain that causes hemorrhagic colitis. One of these phages and another Shiga-like toxin-converting phage from an Escherichia coli O26 isolate associated with infantile diarrhea were closely related in terms of morphology, virion polypeptides, DNA restriction fragments, lysogenic immunity, and heat stability, although a difference in host range was noted. These phages are currently the best-characterized representatives from a broader family of Shiga-like toxin-converting phages.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, A D -- Newland, J W -- Miller, S F -- Holmes, R K -- Smith, H W -- Formal, S B -- AI20148-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):694-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6387911" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Toxins/*metabolism ; Bacteriophages/*metabolism ; Colitis, Ulcerative/*microbiology ; DNA, Viral/metabolism ; Diarrhea, Infantile/*microbiology ; Escherichia coli/*metabolism ; Humans ; Rabbits ; Shiga Toxins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
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    Kainic acid induces sprouting of retinal neurons (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-02-03
    Description: The neurotoxin kainic acid caused dose-dependent morphological changes in horizontal cells of the retinas of adult cats and rabbits. High concentrations of kainic acid killed the cells, but when exposed to sublethal doses they contracted their dendritic fields and sent sprouting processes into the inner retina. It appears that kainic acid can induce neuronal growth as well as degeneration and that the potential for morphological plasticity is still present in neurons of the adult mammalian retina.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peichl, L -- Bolz, J -- New York, N.Y. -- Science. 1984 Feb 3;223(4635):503-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6691162" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cats ; Dendrites/ultrastructure ; Dose-Response Relationship, Drug ; Kainic Acid/*pharmacology ; Nerve Degeneration/drug effects ; Neurons/cytology/*drug effects ; Pyrrolidines/*pharmacology ; Rabbits ; Retina/cytology/*drug effects
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    Fibronectin binds to some bacteria but does not promote their uptake by phagocytic cells (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-08
    Description: The involvement of plasma fibronectin in phagocytosis of bacteria was investigated by testing the binding of fibronectin to several species of bacteria and by evaluating the ability of fibronectin to promote binding and endocytosis of two species of these bacteria by phagocytic cells. Fibronectin binds non-covalently to Gram-positive and Gram-negative bacteria and to yeast but did not appear to be necessary or sufficient for uptake of Staphylococcus aureus and Salmonella typhimurium by several different phagocytic cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van de Water, L -- Destree, A T -- Hynes, R O -- R01CA17007/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 8;220(4593):201-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6338594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/*metabolism ; Cell Line ; Cricetinae ; Endocytosis ; Fibronectins/*metabolism ; Humans ; Macrophages/physiology ; Mice ; Opsonin Proteins/physiology ; *Phagocytosis ; Rabbits ; Salmonella typhimurium/metabolism ; Sepsis/immunology ; Staphylococcus aureus/metabolism
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  • 24
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    Running and breathing in mammals (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-01-21
    Description: Mechanical constraints appear to require that locomotion and breathing be synchronized in running mammals. Phase locking of limb and respiratory frequency has now been recorded during treadmill running in jackrabbits and during locomotion on solid ground in dogs, horses, and humans. Quadrupedal species normally synchronize the locomotor and respiratory cycles at a constant ratio of 1:1 (strides per breath) in both the trot and gallop. Human runners differ from quadrupeds in that while running they employ several phase-locked patterns (4:1, 3:1, 2:1, 1:1, 5:2, and 3:2), although a 2:1 coupling ratio appears to be favored. Even though the evolution of bipedal gait has reduced the mechanical constraints on respiration in man, thereby permitting greater flexibility in breathing pattern, it has seemingly not eliminated the need for the synchronization of respiration and body motion during sustained running. Flying birds have independently achieved phase-locked locomotor and respiratory cycles. This hints that strict locomotor-respiratory coupling may be a vital factor in the sustained aerobic exercise of endothermic vertebrates, especially those in which the stresses of locomotion tend to deform the thoracic complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bramble, D M -- Carrier, D R -- New York, N.Y. -- Science. 1983 Jan 21;219(4582):251-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849136" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Gait ; Horses ; Humans ; *Locomotion ; Mammals ; *Physical Exertion ; Rabbits ; *Respiration
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    Uphill sodium transport driven by an inward calcium gradient in heart muscle (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-01-14
    Description: Heart cells were loaded with sodium by treatment with toxic doses of acetyl strophanthidin. After this treatment, an increase in extracellular calcium resulted in a transient net outward sodium flux against its electrochemical gradient and in net cellular uptake of calcium. It is concluded that the free energy for the net outward sodium movement was derived from the increased calcium gradient and that these ion movements took place through the sodium-calcium exchange. While in the normal physiological state the sodium-calcium exchange produces calcium extrusion from the cell, these experiments demonstrate its reversibility.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3521047/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3521047/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bridge, J H -- Bassingthwaighte, J B -- P41 RR001243/RR/NCRR NIH HHS/ -- P41 RR001243-190021/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1983 Jan 14;219(4581):178-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849128" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport, Active ; Calcium/*metabolism ; Cytoplasm/metabolism ; Membrane Potentials ; Myocardium/*metabolism ; Potassium/metabolism ; Rabbits ; Sarcolemma/metabolism ; Sodium/*metabolism
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    Shark cartilage contains inhibitors of tumor angiogenesis (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-09-16
    Description: Shark cartilage contains a substance that strongly inhibits the growth of new blood vessels toward solid tumors, thereby restricting tumor growth. The abundance of this factor in shark cartilage, in contrast to cartilage from mammalian sources, may make sharks an ideal source of the inhibitor and may help to explain the rarity of neoplasms in these animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, A -- Langer, R -- EY04002/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1983 Sep 16;221(4616):1185-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6193581" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cartilage/*physiology ; Cell Line ; Cornea ; Neoplasms/*blood supply ; *Neovascularization, Pathologic ; Rabbits ; Sharks
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  • 27
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    Turnover, membrane insertion, and degradation of sodium channels in rabbit urinary bladder (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-09-23
    Description: Noise analysis of rabbit bladder revealed two components: Lorentzian noise, arising from interaction of amiloride with the Na+ channel, and flicker noise (l/f, where f is frequency), as in other biological membranes. Hydrostatic pressure, which causes exchange between intracellular vesicular membrane and apical membrane, increases the number but not the single-channel current of the amiloride-sensitive channels. Flicker noise arises from degraded channels that have lost amiloride sensitivity and Na+ to K+ selectivity. The degraded channels were selectively removed by washing the mucosal surface. These results imply channel turnover by intracellular synthesis, transfer from vesicular to apical membrane, degradation, and elimination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Loo, D D -- Lewis, S A -- Ifshin, M S -- Diamond, J M -- AM17327/AM/NIADDK NIH HHS/ -- AM20851/AM/NIADDK NIH HHS/ -- GM14772/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Sep 23;221(4617):1288-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6612343" target="_blank"〉PubMed〈/a〉
    Keywords: Amiloride/pharmacology ; Animals ; Cell Membrane/metabolism ; Cytoplasmic Granules/metabolism ; Epithelium/physiology ; Rabbits ; Sodium/*metabolism ; Urinary Bladder/*metabolism
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  • 28
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    Antipyretic potency of centrally administered alpha-melanocyte stimulating hormone (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-07-08
    Description: Centrally administered alpha-melanocyte stimulating hormone is much more potent in reducing fever than the widely used antipyretic acetaminophen. This finding supports the hypothesis that the endogenous neuropeptide has a role in the limitation of fever and suggests that it may be clinically useful as an antipyretic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murphy, M T -- Richards, D B -- Lipton, J M -- NS 10046/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 8;221(4606):192-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6602381" target="_blank"〉PubMed〈/a〉
    Keywords: Acetaminophen/pharmacology ; Animals ; Anti-Inflammatory Agents, Non-Steroidal/*pharmacology ; Body Temperature/drug effects ; Dose-Response Relationship, Drug ; Fever/drug therapy ; Humans ; Melanocyte-Stimulating Hormones/*pharmacology ; Rabbits
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  • 29
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    Entamoeba histolytica causes intestinal secretion: role of serotonin (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-08-19
    Description: Lysates of the protozoan parasite Entamoeba histolytica altered active electrolyte transport when present on the serosal surface of rabbit ileum and rat colon. The lysate-induced effects on electrolyte transport were similar to those caused by serotonin, and were blocked by bufotenine, an analog known to inhibit the action of serotonin. The transport effects were partially inhibited by antibody to serotonin. The amebic lysates were shown to contain serotonin by radioimmunoassay, high-performance liquid chromatography, and thin-layer chromatography. These results suggest that the serotonin present in Entamoeba histolytica may be important in the diarrhea seen in amebiasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGowan, K -- Kane, A -- Asarkof, N -- Wicks, J -- Guerina, V -- Kellum, J -- Baron, S -- Gintzler, A R -- Donowitz, M -- AM26523/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):762-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6308760" target="_blank"〉PubMed〈/a〉
    Keywords: Amebiasis/*physiopathology ; Animals ; Biological Transport ; Colon/physiopathology ; Diarrhea/physiopathology ; Disease Models, Animal ; Entamoeba histolytica/*physiology ; Entamoebiasis/*physiopathology ; Ileum/physiopathology ; Intestinal Absorption ; Rabbits ; Rats ; Serotonin/*physiology
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  • 30
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    A glycolipid antigen associated with Burkitt lymphoma defined by a monoclonal antibody (1983)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1983-04-29
    Description: The antigen defined by a rat monoclonal antibody directed to a Burkitt lymphoma cell line was identified as globotriaosylceramide [Gal alpha (1 leads to 4)-Gal beta (1 leads to 4)-Glc beta (1 leads to 1)-ceramide]. The antibody demonstrated a strict steric specificity since it did not react with globoisotriaosylceramide [Gal alpha (1 leads to 3)-Gal beta (1 leads to 4)-Glc beta (1 leads to 1)-ceramide], the positional isomer of the antigen associated with the Burkitt lymphoma. Chemical analysis of various Burkitt lymphoma cell lines revealed that the Burkitt lymphoma cells contained more than 100 times as much of the glycolipid antigen as was found in other human lymphoma and leukemia cell lines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nudelman, E -- Kannagi, R -- Hakomori, S -- Parsons, M -- Lipinski, M -- Wiels, J -- Fellous, M -- Tursz, T -- CA 19224/CA/NCI NIH HHS/ -- CA 20026/CA/NCI NIH HHS/ -- GM 23100/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 29;220(4596):509-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836295" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*immunology ; Antigens, Neoplasm/*immunology ; Burkitt Lymphoma/*immunology ; Cell Line ; Cell Transformation, Neoplastic/metabolism ; Erythrocytes/immunology ; Globosides/*immunology ; Glycosphingolipids/*immunology ; Humans ; Rabbits ; Rats ; *Trihexosylceramides
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  • 31
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    Lymphoid cell-glioma cell interaction enhances cell coat production by human gliomas: novel suppressor mechanism (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-13
    Description: Certain human glioma lines produce mucopolysaccharide coats that impair the generation of cytolytic lymphocytes in response to these lines in vitro. Coat production is substantially enhanced by the interaction of glioma cells with a macromolecular factor released by human peripheral blood mononuclear cells in culture. This interaction thus constitutes an unusual mechanism by which inflammatory cells may nonspecifically suppress the cellular immune response to at least one class of solid tumors in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dick, S J -- Macchi, B -- Papazoglou, S -- Oldfield, E H -- Kornblith, P L -- Smith, B H -- Gately, M K -- New York, N.Y. -- Science. 1983 May 13;220(4598):739-42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6220469" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cytotoxicity, Immunologic ; Glioma/immunology/*metabolism ; Glycosaminoglycans/biosynthesis ; Humans ; Hyaluronoglucosaminidase/metabolism ; Immunity, Cellular ; Lymphocytes/immunology/*metabolism ; Mice ; Rabbits
    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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  • 32
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    Angiogenesis inhibition and tumor regression caused by heparin or a heparin fragment in the presence of cortisone (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-19
    Description: Heparin or a heparin fragment administered with cortisone inhibited angiogenesis, caused regression of large tumor masses, and prevented metastases. Oral administration of heparin resulted in the release of non-anticoagulant heparin fragments in the serum which, in the presence of cortisone, had similar anti-angiogenic and antitumor effects. Of all the heparin fragments tested, the most potent inhibition of angiogenesis in the presence of cortisone was provided by a hexasaccharide with a molecular weight of about 1600.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Folkman, J -- Langer, R -- Linhardt, R J -- Haudenschild, C -- Taylor, S -- EY04002/EY/NEI NIH HHS/ -- GM25810/GM/NIGMS NIH HHS/ -- R01-CA14019/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):719-25.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6192498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antineoplastic Agents ; Chick Embryo ; Cortisone/*pharmacology ; Heparin/*pharmacology ; Inflammation ; Neoplasm Metastasis ; Neoplasms, Experimental/blood supply ; Neovascularization, Pathologic/*physiopathology ; Oligosaccharides/pharmacology ; Rabbits ; Structure-Activity Relationship
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 33
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    Memories are made of this (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, J L -- New York, N.Y. -- Science. 1983 Dec 23;222(4630):1318.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6140756" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior ; Behavior, Animal ; Brain/*physiology ; Haplorhini ; Humans ; Memory/*physiology ; Neurotransmitter Agents/physiology ; Rabbits
    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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  • 34
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    Suppression of epididymal sperm antigenicity in the rabbit by uteroglobin and transglutaminase in vitro (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-02-25
    Description: There is evidence that the mammalian female genital tract is capable of responding immunologically when challenged with alloantigens. The antigenic properties of male gametes have been well delineated. However, it is only rarely that a female mammal ever responds immunologically to the male gametic antigens as a result of coitus. When a proposed mechanism of suppression of antigenicity of epididymal spermatozoa was tested experimentally, the results indicated that two proteins (uteroglobin and transglutaminase) present in the prostate may be responsible for suppressing sperm antigenicity in the rabbit.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mukherjee, D C -- Agrawal, A K -- Manjunath, R -- Mukherjee, A B -- New York, N.Y. -- Science. 1983 Feb 25;219(4587):989-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6130601" target="_blank"〉PubMed〈/a〉
    Keywords: Acyltransferases/*immunology/metabolism ; Animals ; Epididymis/immunology ; Female ; Glycoproteins/*immunology ; *Immune Tolerance ; Lymphocyte Activation ; Male ; Rabbits ; Semen/enzymology/*immunology ; Spermatozoa/*immunology ; Transglutaminases ; Uteroglobin/*immunology
    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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  • 35
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    Drug and neurotransmitter receptors in the brain (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-06
    Description: Biochemical investigation of receptors for neurotransmitters and drugs in the brain has been one of the most active areas of molecular neuroscience during the past decade. This work has permitted fundamental insights into how binding of neurotransmitters to their receptors excites or inhibits neuronal firing or changes cellular metabolism. The recognition of receptor subtypes has suggested subtle ways for neurotransmitters to modulate neuronal functioning. Finally, the ability to measure receptor sites in simple test tube systems and to distinguish readily between agonists and antagonists has provided useful probes for drug discovery programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Snyder, S H -- DA-00266/DA/NIDA NIH HHS/ -- MH-18501/MH/NIMH NIH HHS/ -- NS-16375/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Apr 6;224(4644):22-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6322304" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism/physiology ; Brain Chemistry ; Calcium Channel Blockers/metabolism ; Cerebellum/metabolism ; Humans ; Rabbits ; Rats ; Receptors, Adrenergic/metabolism ; Receptors, Catecholamine ; Receptors, Cell Surface/metabolism ; Receptors, Dopamine/metabolism ; Receptors, Drug/analysis/*metabolism/physiology ; Receptors, GABA-A ; Receptors, Neurotransmitter/analysis/*metabolism/physiology ; Receptors, Opioid/metabolism ; Receptors, Purinergic ; Receptors, Serotonin/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 36
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    Immunologically induced alterations of airway smooth muscle cell membrane (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: Active and passive sensitization, both in vivo and in vitro, caused significant hyperpolarization of airway smooth muscle cell preparations isolated from guinea pigs. An increase in the contribution of the electrogenic Na+ pump to the resting membrane potential was responsible for this change. Hyperpolarization, as induced by passive sensitization, was not prevented by agents that inhibit specific mediators of anaphylaxis but was abolished when serum from sensitized animals was heated. The heat-sensitive serum factor, presumably reaginic antibodies, appears to be responsible for the membrane hyperpolarization of airway smooth muscle cells after sensitization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Souhrada, M -- Souhrada, J F -- HL-28063/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):723-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6087455" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/*immunology ; Immunization ; Immunization, Passive ; Ion Channels/immunology ; Male ; Mast Cells/immunology ; Membrane Potentials ; Mice ; Muscle, Smooth/*immunology ; Rabbits ; Rats ; Respiratory System/*immunology ; Sodium/metabolism ; Trachea/immunology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ribose intervention in the cardiac pentose phosphate pathway is not species-specific (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-17
    Description: Ribose is cardioprotective in the rat in a variety of pathophysiological conditions. The metabolic basis for this effect is the low capacity of the oxidative pentose phosphate pathway in the myocardium. Ribose bypasses this pathway, elevates the available pool of 5-phosphoribosyl-l-pyrophosphate, and thus stimulates the biosynthesis of adenine nucleotides. In this study reported here the activity of glucose-6-phosphate dehydrogenase, the first and rate-limiting enzyme of the oxidative pentose phosphate shunt, was very low in the human heart and was of the same order of magnitude in the myocardium of various animal species. Furthermore, ribose had a similar stimulating effect on myocardial adenine nucleotide biosynthesis in the guinea pig, in which hemodynamic parameters are different from those in the rat. It is concluded that the metabolic basis for the effectiveness of ribose is similar in all species investigated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, H G -- Ibel, H -- Suchner, U -- Schad, H -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):712-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6420889" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine Nucleotides/metabolism ; Animals ; Cattle ; Dogs ; Glucosephosphate Dehydrogenase/metabolism ; Guinea Pigs ; Haplorhini ; Heart/drug effects/*physiology ; Heart Rate ; Humans ; Myocardium/*metabolism ; Oxidation-Reduction ; Pentosephosphates/*metabolism ; Phosphogluconate Dehydrogenase/metabolism ; Rabbits ; Rats ; Ribose/*pharmacology ; Species Specificity
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 38
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    Rectal insemination modifies immune responses in rabbits (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: Weekly deposition of pooled rabbit semen into the rectum in healthy male rabbits resulted in the appearance of immune complexes and antibodies to sperm and to peripheral blood lymphocyte antigens. It also led to a decreased ability to mount a humoral immune response to T lymphocyte-dependent antigens, keyhole limpet hemocyanin, and sheep red blood cells. These findings suggest that repeated rectal deposition of semen may compromise some aspects of the immune system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richards, J M -- Bedford, J M -- Witkin, S S -- CA 35018/CA/NCI NIH HHS/ -- HD16587/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):390-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6608789" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/analysis ; *Antibody Formation ; *Antigen-Antibody Complex ; Erythrocytes/immunology ; *G(M1) Ganglioside ; Glycosphingolipids/immunology ; Hemocyanin/immunology ; Immunoglobulins/analysis ; *Insemination ; Killer Cells, Natural/immunology ; Lymphocytes/immunology ; Male ; Rabbits ; *Rectum ; Semen/*immunology ; Spermatozoa/*immunology ; T-Lymphocytes/immunology ; Time Factors
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 39
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    Normalization of depressed heart function in rats by ribose (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-04-01
    Description: Severe constriction of the abdominal aorta and simultaneous injection of isoproterenol in rats induced depression in heart function and reductions in cardiac adenosine triphosphate and total adenine nucleotides. When ribose was continuously infused for 24 hours, biosynthesis of cardiac adenine nucleotides was stimulated to such an extent that the reductions in adenosine triphosphate and total adenine nucleotides were prevented and left ventricular hemodynamic parameters were normal. These results support the hypothesis that adenosine triphosphate is primarily responsible for depression in myocardial contractility and that ribose is cardioprotective through its pronounced effects on adenine nucleotide metabolism in heart muscle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, H G -- New York, N.Y. -- Science. 1983 Apr 1;220(4592):81-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6402820" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine Nucleotides/biosynthesis/metabolism ; Adenosine Triphosphate/physiology ; Animals ; Aorta, Abdominal/physiology ; Heart/drug effects/physiology ; Isoproterenol/pharmacology ; Myocardial Contraction/*drug effects ; Myocardium/metabolism ; Rabbits ; Rats ; Ribose/*pharmacology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 40
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    Association of parvoviruses with rheumatoid arthritis of humans (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: A small virus resembling parvoviruses in its morphological and physicochemical properties was derived from synovial tissue of a patient with severe rheumatoid arthritis. This virus, designated RA-1, elicits a syndrome in neonatal mice that includes neurological disturbances, permanent crippling of limbs, dwarfism, alopecia, blepharitis, "masking," and a rigid curvature of the thoracic spine. Polyclonal antibodies against RA-1 display high virus neutralizing activity and in immunoassays detect reactive antigen in synovial cells from different rheumatoid arthritis patients but not persons with osteoarthritis. Putative parvoviruses isolated from several other rheumatoid arthritis patients are only weakly pathogenic for newborn mice but can generate RA-1 virus-specific antigens in tissues of these animals. It has not been established that RA-1 and existing parvoviruses of mammalian species are related.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simpson, R W -- McGinty, L -- Simon, L -- Smith, C A -- Godzeski, C W -- Boyd, R J -- AI-14359/AI/NIAID NIH HHS/ -- AI-17262/AI/NIAID NIH HHS/ -- AM-15796/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1425-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/microbiology ; Antibodies, Viral/immunology ; Arthritis, Rheumatoid/*microbiology ; Cells, Cultured ; Enzyme-Linked Immunosorbent Assay ; Humans ; Mice ; Microscopy, Electron ; Osteoarthritis/microbiology ; Parvoviridae/immunology/*isolation & purification/ultrastructure ; Rabbits ; Synovial Fluid/cytology/microbiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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