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  • Animals  (297)
  • American Association for the Advancement of Science (AAAS)  (297)
  • Springer
  • 2005-2009
  • 1985-1989  (297)
  • 1989  (102)
  • 1987  (100)
  • 1986  (95)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (297)
  • Springer
Years
  • 2005-2009
  • 1985-1989  (297)
Year
  • 1
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    Imaging of memory-specific changes in the distribution of protein kinase C in the hippocampus (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-25
    Description: Activation of protein kinase C (PKC) can mimic the biophysical effects of associative learning on neurons. Furthermore, classical conditioning of the rabbit nictitating membrane (a form of associative learning) produces translocation of PKC activity from the cytosolic to the membrane compartments of the CA1 region of the hippocampus. Evidence is provided here for a significant change in the amount and distribution of PKC within the CA1 cell field of the rabbit hippocampus that is specific to learning. This change is seen at 1 day after learning as focal increments of [3H]phorbol-12,13-dibutyrate binding to PKC in computer-generated images produced from coronal autoradiographs of rabbit brain. In addition, 3 days after learning, the autoradiographs suggest a redistribution of PKC within CA1 from the cell soma to the dendrites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olds, J L -- Anderson, M L -- McPhie, D L -- Staten, L D -- Alkon, D L -- New York, N.Y. -- Science. 1989 Aug 25;245(4920):866-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular and Cellular Neurobiology, National Institute of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2772638" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Hippocampus/*enzymology ; *Memory ; Phorbol 12,13-Dibutyrate/metabolism ; Protein Kinase C/*analysis ; Rabbits
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Construction of synthetic immunogen: use of new T-helper epitope on malaria circumsporozoite protein (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-02-27
    Description: The circumsporozoite (CS) protein of Plasmodium falciparum is the focus of intense efforts to develop an antisporozoite malaria vaccine. Localization of sites for T-cell recognition on this molecule is critical for vaccine design. By using an algorithm designed to predict T-cell sites and a large panel of H-2 congenic mice, a major nonrepetitive T-cell site was located. When a synthetic peptide corresponding to this site was covalently linked to the major B-cell site on the molecule, an immunogen capable of eliciting a high-titer antibody response was formed. This peptide sequence could prime helper T cells for a secondary response to the intact CS protein. The new helper T-cell site is located outside the repetitive region of the CS protein and appears to be the immunodominant T site on the molecule. This approach should be useful in the rational design and construction of vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Good, M F -- Maloy, W L -- Lunde, M N -- Margalit, H -- Cornette, J L -- Smith, G L -- Moss, B -- Miller, L H -- Berzofsky, J A -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1059-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2434994" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibody Formation ; Antigens, Protozoan/immunology ; Antigens, Surface/*immunology ; B-Lymphocytes/immunology ; Epitopes/*immunology ; Mice ; Peptide Fragments/chemical synthesis/*immunology ; Plasmodium falciparum/*immunology ; *Protozoan Proteins ; Receptors, Antigen, B-Cell/immunology ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/immunology ; T-Lymphocytes, Helper-Inducer/*immunology ; Vaccines/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Purification and complementary DNA cloning of a receptor for basic fibroblast growth factor (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-07
    Description: Basic fibroblast growth factor (bFGF) participates in many processes including early developmental events, angiogenesis, wound healing, and maintenance of neuronal cell viability. A 130-kilodalton protein was isolated on the basis of its ability to specifically bind to bFGF. A complementary DNA clone was isolated with an oligonucleotide probe corresponding to determined amino acid sequences of tryptic peptide fragments of the purified protein. The putative bFGF receptor encoded by this complementary DNA is a transmembrane protein that contains three extracellular immunoglobulin-like domains, an unusual acidic region, and an intracellular tyrosine kinase domain. These domains are arranged in a pattern that is different from that of any growth factor receptor described.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, P L -- Johnson, D E -- Cousens, L S -- Fried, V A -- Williams, L T -- CA 21765/CA/NCI NIH HHS/ -- R01 HL32898/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jul 7;245(4913):57-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2544996" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cells, Cultured ; Chick Embryo ; *Cloning, Molecular ; DNA/*genetics ; Fibroblast Growth Factors/*genetics ; Kinetics ; Mice ; Molecular Sequence Data ; Peptide Fragments/analysis ; Receptors, Cell Surface/*genetics/metabolism ; Receptors, Fibroblast Growth Factor ; Recombinant Proteins/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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  • 4
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    Purification, cloning, and expression of ciliary neurotrophic factor (CNTF) (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Ciliary neurotrophic factor (CNTF) is one of a small number of proteins with neurotrophic activities distinct from nerve growth factor (NGF). CNTF has now been purified and cloned and the primary structure of CNTF from rabbit sciatic nerve has been determined. Biologically active CNTF has been transiently expressed from a rabbit complementary DNA clone. CNTF is a neural effector without significant sequence homologies to any previously reported protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Mismer, D -- Lile, J D -- Armes, L G -- Butler, E T 3rd -- Vannice, J L -- Collins, F -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Chemistry Group, Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587985" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; DNA/genetics ; Molecular Sequence Data ; Nerve Growth Factors/*genetics ; Nerve Tissue Proteins/biosynthesis/*genetics/isolation & purification ; Rabbits ; Recombinant Proteins/biosynthesis ; Sciatic Nerve/metabolism ; Transfection
    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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    Cloning of genomic and complementary DNA from Shaker, a putative potassium channel gene from Drosophila (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-08-14
    Description: On the basis of electrophysiological analysis of Shaker mutants, the Shaker locus of Drosophila melanogaster has been proposed to encode a structural component of a voltage-dependent potassium channel, the A channel. Unlike sodium channels, acetylcholine receptors, and calcium channels, K+ channels have not been purified biochemically. To facilitate biochemical studies of a K+ channel, genomic DNA from the Shaker locus has been cloned. Rearrangements in five Shaker mutants have been mapped to a 60-kilobase segment of the genome. Four complementary DNA clones have been analyzed. These clones indicate that the Shaker gene contains multiple exons distributed over at least 65 kilobases of genomic DNA in the region where the mutations mapped. Furthermore, the gene may produce several classes of alternatively spliced transcripts. Two of the complementary DNA clones have been sequenced and their sequences support the hypothesis that Shaker encodes a component of a K+ channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Papazian, D M -- Schwarz, T L -- Tempel, B L -- Jan, Y N -- Jan, L Y -- NS15963/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 14;237(4816):749-53.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2441470" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cloning, Molecular ; DNA/*genetics/isolation & purification ; Drosophila melanogaster/*genetics ; Exons ; *Ion Channels ; Membrane Proteins/*genetics ; Mutation ; Nucleic Acid Hybridization ; Potassium/*metabolism ; RNA Splicing ; Transcription, Genetic ; Translocation, Genetic
    Print ISSN: 0036-8075
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  • 6
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    Production of immunoglobulin isotypes by Ly-1+ B cells in viable motheaten and normal mice (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-06-13
    Description: Almost all B cells in autoimmune mice with the viable motheaten (mev) mutation express the Ly-1 cell surface antigen, which marks a minor population of B cells constituting a separate lineage in normal mice. Immunoglobulins primarily of the M and G3 classes, which in both normal and mev mice contain high levels of lambda light chain, are produced in excess in mev mice. These and other observations suggest that the development of B cells that express Ly-1 is regulated independently from the development of B cells that do not express Ly-1. B cells bearing the Ly-1 surface antigen may play specialized roles in the normal immune system and in autoimmunity by regulating other B cells via lymphokines, by producing antibodies to self and certain foreign antigens, and by preferentially secreting immunoglobulin M and immunoglobulin G3.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sidman, C L -- Shultz, L D -- Hardy, R R -- Hayakawa, K -- Herzenberg, L A -- AI-20232/AI/NIAID NIH HHS/ -- CA-20408/CA/NCI NIH HHS/ -- CA-35845/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Jun 13;232(4756):1423-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3487115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Ly/*immunology ; Autoimmune Diseases/genetics/*immunology ; B-Lymphocytes/classification/*immunology ; Flow Cytometry ; Immunoglobulin D/metabolism ; Immunoglobulin G/metabolism ; Immunoglobulin M/metabolism ; Immunoglobulins/analysis ; Lymph Nodes/cytology ; Mice ; Mice, Mutant Strains/*immunology ; Peritoneal Cavity/cytology ; Spleen/cytology
    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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  • 7
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    Genetic ablation: targeted expression of a toxin gene causes microphthalmia in transgenic mice (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-11
    Description: Lineage-specific regulatory elements can be used to direct expression of a variety of genes to specific tissues in transgenic mice. If the hybrid constructs contain a gene encoding a cytotoxic gene product, then genetic ablation of a specific cell lineage can be achieved. We have generated six transgenic mice by introducing into fertilized eggs the mouse gamma 2-crystallin promoter fused to the coding region of the diphtheria toxin A-chain gene. Three of these mice and all the transgenic offspring analyzed were microphthalmic. The lenses of these mice displayed considerable heterogeneity: some were almost normal morphologically but reduced in size, whereas others were grossly aberrant and deficient in nuclear fiber cells. These studies indicate that programmed ablation of specific cell types can be stably transmitted through the germ line.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breitman, M L -- Clapoff, S -- Rossant, J -- Tsui, L C -- Glode, L M -- Maxwell, I H -- Bernstein, A -- CA 42354/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Dec 11;238(4833):1563-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mount Sinai Hospital Research Institute, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3685993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crystallins/*genetics ; Diphtheria Toxin/*genetics ; Eye/pathology ; *Genes ; Mice ; Mice, Transgenic ; Microphthalmos/*genetics/pathology ; Promoter Regions, Genetic
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  • 8
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    Efficacy of murine malaria sporozoite vaccines: implications for human vaccine development (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-04-24
    Description: As part of a study of potential vaccines against malaria, the protective efficacy of sporozoite subunit vaccines was determined by using the Plasmodium berghei murine malaria model. Mice were immunized with recombinant DNA-produced or synthetic peptide-carrier subunit vaccines derived from the repetitive epitopes of the Plasmodium berghei circumsporozoite gene, or with radiation-attenuated sporozoites. Immunization with subunit vaccines elicited humoral responses that were equivalent to or greater than those elicited by irradiated sporozoites, yet the protection against sporozoite challenge induced by either of the subunit vaccines was far less than that achieved by immunization with attenuated sporozoites. Passive and adoptive transfer studies demonstrated that subunit vaccines elicited predominantly antibody-mediated protection that was easily overcome whereas irradiated sporozoites induced potent cell-mediated immunity that protected against high challenge doses of sporozoites. These studies indicate that new strategies designed to induce cellular immunity will be required for efficacious sporozoite vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Egan, J E -- Weber, J L -- Ballou, W R -- Hollingdale, M R -- Majarian, W R -- Gordon, D M -- Maloy, W L -- Hoffman, S L -- Wirtz, R A -- Schneider, I -- New York, N.Y. -- Science. 1987 Apr 24;236(4800):453-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3551073" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, Protozoan ; Antigens, Surface/*immunology ; Dose-Response Relationship, Immunologic ; Immunity, Cellular ; Immunization, Passive ; Malaria/*prevention & control ; Mice ; Oligopeptides/immunology ; Plasmodium berghei/*immunology ; *Protozoan Proteins ; Recombinant Fusion Proteins/immunology ; *Vaccines, Synthetic
    Print ISSN: 0036-8075
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  • 9
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    Sequence of a probable potassium channel component encoded at Shaker locus of Drosophila (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-08-14
    Description: Potassium currents are crucial for the repolarization of electrically excitable membranes, a role that makes potassium channels a target for physiological modifications that alter synaptic efficacy. The Shaker locus of Drosophila is thought to encode a K+ channel. The sequence of two complementary DNA clones from the Shaker locus is reported here. The sequence predicts an integral membrane protein of 70,200 daltons containing seven potential membrane-spanning sequences. In addition, the predicted protein is homologous to the vertebrate sodium channel in a region previously proposed to be involved in the voltage-dependent activation of the Na+ channel. These results support the hypothesis that Shaker encodes a structural component of a voltage-dependent K+ channel and suggest a conserved mechanism for voltage activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tempel, B L -- Papazian, D M -- Schwarz, T L -- Jan, Y N -- Jan, L Y -- NS15963/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 14;237(4816):770-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2441471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Codon ; DNA/*genetics ; Drosophila melanogaster/*genetics ; Electrophorus/genetics ; Genes ; *Ion Channels ; Membrane Proteins/*genetics ; Mutation ; Potassium/*metabolism ; Sodium/metabolism
    Print ISSN: 0036-8075
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  • 10
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    Tissue distribution and developmental expression of the messenger RNA encoding angiogenin (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-07-17
    Description: New blood vessel growth occurs during normal fetal development and in diseases such as cancer and diabetes. The polypeptide angiogenin induces new blood vessel growth in two biological assays and may play a role in the vascular development of the fetus and in the neovascularization that accompanies diseases and wound healing. A complementary DNA probe for human angiogenin was used to examine the tissue distribution of angiogenin messenger RNA (mRNA) in the developing rat and in selected transformed cell lines. Angiogenin mRNA was detected predominantly in adult liver but was also detectable at low levels in other tissues. The expression of the angiogenin gene in rat liver was found to be developmentally regulated; mRNA levels were low in the developing fetus, increased in the neonate, and maximal in the adult. The amount of angiogenin mRNA in human HT-29 colon carcinoma and SK-HEP hepatoma cells was not greater than that in normal rat liver. These results demonstrate that angiogenin is predominantly expressed in adult liver, that the pattern of angiogenin gene expression is not temporally related to vascular development in the rat, and that the transformed cells studied do not contain more angiogenin mRNA than does normal liver. If angiogenin activity is controlled at the transcriptional level, the results of this study suggest that the primary function of angiogenin in vivo may be in processes other than the regulation of vascular growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiner, H L -- Weiner, L H -- Swain, J L -- HL26831/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1987 Jul 17;237(4812):280-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2440105" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Cell Line ; Gene Expression Regulation ; Humans ; Liver/physiology ; Neoplasm Proteins/*genetics ; Neovascularization, Pathologic ; RNA, Messenger/genetics ; Rats ; *Ribonuclease, Pancreatic ; Tissue Distribution
    Print ISSN: 0036-8075
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