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  • Animals  (28)
  • Cell Line  (4)
  • Mice, Inbred C57BL
  • American Association for the Advancement of Science (AAAS)  (29)
  • American Geophysical Union (AGU)
  • American Institute of Physics
  • American Institute of Physics (AIP)
  • National Academy of Sciences
  • Nature Publishing Group (NPG)
  • 1985-1989  (29)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (29)
  • American Geophysical Union (AGU)
  • American Institute of Physics
  • American Institute of Physics (AIP)
  • National Academy of Sciences
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Years
Year
  • 1
    Publication Date: 1988-11-04
    Description: Studies in animals suggest that fetal neural grafts might restore lost neurological function in Parkinson's disease. In monkeys, such grafts survive for many months and reverse signs of parkinsonism, without attendant graft rejection. The successful and reliable application of a similar transplantation procedure to human patients, however, will require neural tissue obtained from human fetal cadavers, with demonstrated cellular identity, viability, and biological safety. In this report, human fetal neural tissue was successfully grafted into the brains of monkeys. Neural tissue was collected from human fetal cadavers after 9 to 12 weeks of gestation and cryopreserved in liquid nitrogen. Viability after up to 2 months of storage was demonstrated by cell culture and by transplantation into monkeys. Cryopreservation and storage of human fetal neural tissue would allow formation of a tissue bank. The stored cells could then be specifically tested to assure their cellular identity, viability, and bacteriological and virological safety before clinical use. The capacity to collect and maintain viable human fetal neural tissue would also facilitate research efforts to understand the development and function of the human brain and provide opportunities to study neurological diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Redmond, D E Jr -- Naftolin, F -- Collier, T J -- Leranth, C -- Robbins, R J -- Sladek, C D -- Roth, R H -- Sladek, J R Jr -- New York, N.Y. -- Science. 1988 Nov 4;242(4879):768-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2903552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Survival ; Cells, Cultured ; Cercopithecus ; Fetus ; Freezing ; Humans ; Male ; Mesencephalon/cytology/embryology/enzymology/*transplantation ; Preservation, Biological ; Transplantation, Heterologous ; Tyrosine 3-Monooxygenase/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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  • 2
    Publication Date: 1988-06-24
    Description: Inclusion of normal rabbit serum (NRS) in culture medium after interspecific fusion of hyperimmunized rabbit spleen cells with murine SP2/0 myeloma cells produced 271 rabbit-mouse hybridomas (RMHs) that secreted rabbit immunoglobulin against group A Streptococcus (GAS). Continued use of NRS-supplemented medium during cloning yielded stabilized monoclonal RMH lines that have secreted GAS-specific rabbit antibody at concentrations similar to murine hybridomas (3 to 8 micrograms per 10(6) cells per 24 hours), for over 4 months of culture in vitro. The use of NRS as a medium supplement during initial culture, cloning, and stabilization of RMHs enables production of considerably more specific rabbit monoclonal antibody (mAb)-secreting RMHs than have previously been reported.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raybould, T J -- Takahashi, M -- New York, N.Y. -- Science. 1988 Jun 24;240(4860):1788-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Allelix Inc., Diagnostics Division, Mississauga, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3289119" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Bacterial/*immunology ; Antibodies, Monoclonal/*immunology ; Antibody Specificity ; Cell Fusion ; Cell Line ; Hybridomas/*immunology ; Karyotyping ; Mice/*immunology ; Rabbits/*immunology ; Streptococcus pyogenes/immunology ; Time Factors
    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
    Publication Date: 1989-06-02
    Description: Neurotransmitter receptors are usually restricted to neuronal cells, but the signaling pathways activated by these receptors are widely distributed in both neural and non-neural cells. The functional consequences of activating a brain-specific neurotransmitter receptor, the serotonin 5HT1c receptor, in the unnatural environment of a fibroblast were examined. Introduction of functional 5HT1c receptors into NIH 3T3 cells results, at high frequency, in the generation of transformed foci. Moreover, the generation and maintenance of transformed foci requires continued activation of the serotonin receptor. In addition, the injection of cells derived from transformed foci into nude mice results in the generation of tumors. The serotonin 5HT1c receptor therefore functions as a protooncogene when expressed in NIH 3T3 fibroblasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Julius, D -- Livelli, T J -- Jessell, T M -- Axel, R -- New York, N.Y. -- Science. 1989 Jun 2;244(4908):1057-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, College of Physicians and Surgeons, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2727693" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/pharmacology ; Cell Division ; Cell Line ; *Cell Transformation, Neoplastic ; Cloning, Molecular ; Fibroblasts/metabolism ; *Gene Expression Regulation ; Genetic Vectors ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Receptors, Serotonin/*genetics/physiology ; Second Messenger Systems ; Serotonin/pharmacology/physiology ; 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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  • 4
    Publication Date: 1989-04-14
    Description: A group of rats was trained to escape low-intensity shock in a shuttle-box test, while another group of yoked controls could not escape but was exposed to the same amount and regime of shock. After 1 week of training, long-term potentiation (LTP) was measured in vitro in hippocampal slices. Exposure to uncontrollable shock massively impaired LTP relative to exposure to the same amount and regime of controllable shock. These results provide evidence that controllability modulates plasticity at the cellular-neuronal level.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shors, T J -- Seib, T B -- Levine, S -- Thompson, R F -- HD02881/HD/NICHD NIH HHS/ -- MH11936/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1989 Apr 14;244(4901):224-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Southern California, Los Angeles 90089.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2704997" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avoidance Learning ; Corticosterone/blood ; *Electroshock ; *Escape Reaction ; Hippocampus/*physiology ; Learning/physiology ; Male ; Memory/physiology ; *Neuronal Plasticity ; Rats ; Stress, Psychological/physiopathology
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-05-05
    Description: The major histocompatibility complex (MHC) genes are polymorphic in mouse and man. The products of these genes are receptors for peptides, which while bound, are displayed to T lymphocytes. When bound peptides from antigens are recognized by T lymphocytes, an immune response is initiated against the antigens. This study assessed the relation of the polymorphic MHC molecules to their peptide specificity. The results indicate that although an individual of the species has a limited ability to recognize antigens, the species as a whole has broad reactivity. This rationalizes the extreme polymorphism observed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roy, S -- Scherer, M T -- Briner, T J -- Smith, J A -- Gefter, M L -- AI13357/AI/NIAID NIH HHS/ -- CA28900/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 May 5;244(4904):572-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge 02139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2470147" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/immunology ; Bacteriophage lambda ; Epitopes/immunology ; Histocompatibility Antigens Class II/immunology ; Hybridomas/immunology ; Immunization ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Peptide Fragments/immunology ; *Polymorphism, Genetic ; Repressor Proteins/immunology ; T-Lymphocytes/*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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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-07-21
    Description: The development and characterization of many inbred, congenic, and recombinant strains of rats in recent years has led to the detailed genetic description of this species, especially in regard to its major histocompatibility complex. This information has contributed substantially to the study of comparative genetics and has greatly enhanced the utility of the rat in a variety of areas of biomedical research. This article focuses on the use of the rat in immunogenetics, transplantation, cancer-risk assessment, cardiovascular diseases, and behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gill, T J 3rd -- Smith, G J -- Wissler, R W -- Kunz, H W -- CA 18659/CA/NCI NIH HHS/ -- HD 08662/HD/NICHD NIH HHS/ -- HD 09880/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jul 21;245(4915):269-76.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Pittsburgh School of Medicine, PA 15261.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2665079" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Laboratory ; Behavior, Animal ; Carcinogens ; Cardiovascular Diseases ; Disease Models, Animal ; Immunogenetics ; *Rats ; *Research ; Transplantation/methods
    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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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1988-09-09
    Description: The ultimate aim of computational neuroscience is to explain how electrical and chemical signals are used in the brain to represent and process information. This goal is not new, but much has changed in the last decade. More is known now about the brain because of advances in neuroscience, more computing power is available for performing realistic simulations of neural systems, and new insights are available from the study of simplifying models of large networks of neurons. Brain models are being used to connect the microscopic level accessible by molecular and cellular techniques with the systems level accessible by the study of behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sejnowski, T J -- Koch, C -- Churchland, P S -- New York, N.Y. -- Science. 1988 Sep 9;241(4871):1299-306.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, Johns Hopkins University, Baltimore, MD 21218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3045969" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiology ; Computer Simulation ; Motion Perception ; Neurobiology/*methods ; Visual Perception/*physiology
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 1988-07-08
    Description: Three forms of nonassociative learning (habituation, dishabituation, and sensitization) have commonly been explained by a dual-process view in which a single decrementing process produces habituation and a single facilitatory process produces both dishabituation and sensitization. A key prediction of this view is that dishabituation and sensitization should always occur together. However, we show that dishabituation and sensitization, as well as an additional process, inhibition, can be behaviorally dissociated in Aplysia by (i) their differential time of onset, (ii) their differential sensitivity to stimulus intensity, and (iii) their differential emergence during development. A simple dual-process view cannot explain these results; rather, a multiprocess view appears necessary to account for nonassociative learning in Aplysia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marcus, E A -- Nolen, T G -- Rankin, C H -- Carew, T J -- 5-F32-NS-07480/NS/NINDS NIH HHS/ -- MH41083/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 8;241(4862):210-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Yale University, New Haven, CT 06520.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388032" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Aplysia/*physiology ; Behavior, Animal/*physiology ; Learning/*physiology ; Time Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1985-06-14
    Description: The mechanism of irreversible thermoinactivation of an enzyme has been quantitatively elucidated in the pH range relevant to enzymatic catalysis. The processes causing irreversible inactivation of hen egg-white lysozyme at 100 degrees C are deamidation of asparagine residues, hydrolysis of peptide bonds at aspartic acid residues., destruction of disulfide bonds, and formation of incorrect (scrambled) structures; their relative contributions depend of the pH.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahern, T J -- Klibanov, A M -- New York, N.Y. -- Science. 1985 Jun 14;228(4705):1280-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4001942" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asparagine ; Chickens ; Disulfides ; Hot Temperature ; Hydrogen-Ion Concentration ; Kinetics ; *Muramidase ; *Protein Denaturation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1985-11-01
    Description: Antigens that bind to erythrocytes were identified in the supernatant fluids of a cultured human malaria parasite (Plasmodium falciparum). A 175-kilodalton (175K) antigen bound only to erythrocytes susceptible to invasion. The 175K antigen from the Camp or the FCR-3 strain also bound to merozoites. However, the antigen did not bind to merozoites when merozoites and supernatant antigens were from different strains unless proteinase inhibitors were present. Moreover, erythrocytes coated with supernatant antigens from the Camp or FCR-3 strain were invaded normally by merozoites of the homologous strain but were partially resistant to invasion by merozoites of the heterologous strain. The 175K antigen may be a receptor acting as a "bridge" between erythrocytes and merozoites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Camus, D -- Hadley, T J -- New York, N.Y. -- Science. 1985 Nov 1;230(4725):553-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3901257" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Protozoan/*metabolism ; Chymotrypsin/metabolism ; Electrophoresis, Polyacrylamide Gel ; Erythrocytes/*metabolism ; Guinea Pigs ; Humans ; Macaca mulatta ; Molecular Weight ; Neuraminidase/metabolism ; Plasmodium falciparum/*immunology ; Protease Inhibitors/pharmacology ; Rabbits ; Trypsin/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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