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  • Animals  (9)
  • American Association for the Advancement of Science (AAAS)  (9)
  • American Chemical Society
  • Institute of Physics
  • National Academy of Sciences
  • Wiley
  • 1985-1989  (9)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (9)
  • American Chemical Society
  • Institute of Physics
  • National Academy of Sciences
  • Wiley
Years
Year
  • 1
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    5-bromo-2'-deoxyuridine blocks myogenesis by extinguishing expression of MyoD1 (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-04
    Description: The pyrimidine analog 5-bromodeoxyuridine (BUdR) competes with thymidine for incorporation into DNA. Substitution of BUdR for thymidine does not significantly affect cell viability but does block cell differentiation in many different lineages. BUdR substitution in a mouse myoblast line blocked myogenic differentiation and extinguished the expression of the myogenic determination gene MyoD1. Forced expression of MyoD1 from a transfected expression vector in a BUdR-substituted myoblast overcame the block to differentiation imposed by BUdR. Activation of BUdR-substituted muscle structural genes and apparently normal differentiation were observed in transfected myoblasts. This shows that BUdR blocks myogenesis at the level of a myogenic regulatory gene, possibly MyoD1, not by directly inhibiting the activation of muscle structural genes. It is consistent with the idea that BUdR selectively blocks a class of regulatory genes, each member of which is important for the development of a different cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tapscott, S J -- Lassar, A B -- Davis, R L -- Weintraub, H -- New York, N.Y. -- Science. 1989 Aug 4;245(4917):532-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Fred Hutchinson Cancer Research Center, Seattle, WA 98104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2547249" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bromodeoxyuridine/metabolism/*pharmacology ; Cell Differentiation/drug effects ; Cell Line ; Creatine Kinase/genetics ; DNA/metabolism ; Desmin/genetics ; Gene Expression Regulation/*drug effects ; Genes ; Mice ; Muscle Proteins/*genetics ; Muscles/*cytology ; Myogenin ; Nuclear Proteins/*genetics ; Plasmids ; RNA, Messenger/genetics ; Repetitive Sequences, Nucleic Acid ; Transcription, Genetic ; Transfection
    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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    Conserved repetitive epitope recognized by CD4+ clones from a malaria-immunized volunteer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-22
    Description: T cell clones obtained from a human volunteer immunized with Plasmodium falciparum sporozoites specifically recognized the native circumsporozoite (CS) antigen expressed on P. falciparum sporozoites, as well as bacteria- and yeast-derived recombinant falciparum CS proteins. The response of these CD4+ CD8- cells was species-specific, since the clones did not proliferate or secrete gamma interferon when challenged with sporozoites or recombinant CS proteins of other human, simian, or rodent malarias. The epitope recognized by the sporozoite-specific human T cell clones mapped to the 5' repeat region of the CS protein and was contained in the NANPNVDPNANP sequence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nardin, E H -- Herrington, D A -- Davis, J -- Levine, M -- Stuber, D -- Takacs, B -- Caspers, P -- Barr, P -- Altszuler, R -- Clavijo, P -- AI25085/AI/NIAID NIH HHS/ -- AI62533/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1603-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical and Molecular Parasitology, New York University, NY 10010.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2480642" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, CD4/*immunology ; Antigens, Protozoan/*immunology ; Cells, Cultured ; Clone Cells ; Epitopes/*analysis ; Humans ; Interferon-gamma/biosynthesis ; Lymphocyte Activation ; Malaria/*immunology ; Molecular Sequence Data ; Plasmodium falciparum/*immunology ; *Protozoan Proteins ; Recombinant 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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  • 3
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    MyoD1: a nuclear phosphoprotein requiring a Myc homology region to convert fibroblasts to myoblasts (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-10-21
    Description: Expression of a complementary DNA (cDNA) encoding the mouse MyoD1 protein in a variety of fibroblast and adipoblast cell lines converts them to myogenic cells. Polyclonal antisera to fusion proteins containing the MyoD1 sequence show that MyoD1 is a phosphoprotein present in the nuclei of proliferating myoblasts and differentiated myotubes but not expressed in 10T1/2 fibroblasts or other nonmuscle cell types. Functional domains of the MyoD1 protein were analyzed by site-directed deletional mutagenesis of the MyoD1 cDNA. Deletion of a highly basic region (residues 102 to 135) interferes with both nuclear localization and induction of myogenesis. Deletion of a short region (residues 143 to 162) that is similar to a conserved region in the c-Myc family of proteins eliminates the ability of the MyoD1 protein to initiate myogenesis but does not alter nuclear localization. Deletions of regions spanning the remainder of MyoD1 did not affect nuclear localization and did not inhibit myogenesis. Furthermore, expression of only 68 amino acids of MyoD1, containing the basic and the Myc similarity domains, is sufficient to activate myogenesis in stably transfected 10T1/2 cells. Genetic analysis maps the MyoD1 gene to mouse chromosome 7 and human chromosome 11.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tapscott, S J -- Davis, R L -- Thayer, M J -- Cheng, P F -- Weintraub, H -- Lassar, A B -- New York, N.Y. -- Science. 1988 Oct 21;242(4877):405-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Fred Hutchinson Cancer Research Center, Seattle, WA 98104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175662" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cells, Cultured ; Chromosome Mapping ; DNA/genetics ; Fibroblasts/cytology ; *Genes ; Humans ; Mice ; Muscles/cytology ; *MyoD Protein ; Nuclear Proteins/*genetics/physiology ; *Oncogenes ; Phosphoproteins/*genetics/physiology
    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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    Gene for alpha-chain of human T-cell receptor: location on chromosome 14 region involved in T-cell neoplasms (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-01
    Description: A human complementary DNA clone specific for the alpha-chain of the T-cell receptor and a panel of rodent X human somatic cell hybrids were used to map the alpha-chain gene to human chromosome 14 in a region proximal to the immunoglobulin heavy chain locus. Analysis by means of in situ hybridization of human metaphase chromosomes served to further localize the alpha-chain gene to region 14q11q12, which is consistently involved in translocations and inversions detectable in human T-cell leukemias and lymphomas. Thus, the locus for the alpha-chain T-cell receptor may participate in oncogene activation in T-cell tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Croce, C M -- Isobe, M -- Palumbo, A -- Puck, J -- Ming, J -- Tweardy, D -- Erikson, J -- Davis, M -- Rovera, G -- CA 10 815/CA/NCI NIH HHS/ -- CA16685/CA/NCI NIH HHS/ -- CA215875/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 1;227(4690):1044-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3919442" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 13-15 ; DNA/genetics ; Genes ; Humans ; Hybrid Cells/metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin alpha-Chains/*genetics ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes ; Translocation, Genetic
    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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    Paleolithic diet, evolution, and carcinogens (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, D L -- New York, N.Y. -- Science. 1987 Dec 18;238(4834):1633-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3120316" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Carcinogens ; *Diet ; *Haplorhini ; Humans ; *Paleontology
    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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    Three-dimensional representation and analysis of brain energy metabolism (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-06-26
    Description: Quantitative autoradiography of brain glucose metabolism has been combined with digital image processing to represent the brain as a three-dimensional (3-D) reconstruction of brain energy use. Autoradiographs contain enormous amounts of potentially useful data, but conventional analyses, based on tedious manual methods, can sample and analyze only a small portion of this information. Computer 3-D reconstruction provides a mechanism for observing and analyzing all the data; therefore, a system of computer programs was developed for this purpose. The programs use digital imaging methods for image registration, superimpose whole brain data sets, and allow resampling of the 3-D data in arbitrary planes for pixel-by-pixel comparisons among multiple 3-D sets. These programs operate on the mathematical properties of the images alone, obviating the need for manual image alignment. Various statistical analyses can be applied to the data directly to study the patterns of metabolic changes in different experiments. The system is applied to data from experiments on the influence of injectable anesthetics on cerebral glucose metabolism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hibbard, L S -- McGlone, J S -- Davis, D W -- Hawkins, R A -- AA06023/AA/NIAAA NIH HHS/ -- NS16389/NS/NINDS NIH HHS/ -- NS16737/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 Jun 26;236(4809):1641-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3603004" target="_blank"〉PubMed〈/a〉
    Keywords: Anesthetics/pharmacology ; Animals ; Autoradiography ; Brain/drug effects/*metabolism ; *Energy Metabolism/drug effects ; Glucose/metabolism ; *Image Processing, Computer-Assisted ; Rats
    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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    Two anonymous DNA segments distinguish the Wilms' tumor and aniridia loci (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-12
    Description: The association of Wilms' tumor with aniridia (the WAGR complex) in children with 11p13 chromosomal abnormalities has been established, but the paucity of molecular probes in 11p13 has hampered identification of the responsible genes. Two new anonymous DNA segments have been identified that map to the WAGR region of 11p13. Both DNA probes identify a cytologically undetectable deletion associated with a balanced chromosome translocation inherited by a patient with familial aniridia, but not Wilms' tumor. The same two DNA segments are also included in the distal p13-p14.1 deletion of another patient, who has aniridia, Wilms' tumor, and hypogonadism, but they are not included in the p12-p13 deletion of a third patient, who does not have aniridia but has had a Wilms' tumor. The discovery of this aniridia deletion and these two DNA segments that physically separate the Wilms' tumor and aniridia loci should facilitate identification of the genes in the WAGR locus, beginning with the aniridia gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, L M -- Stallard, R -- Thomas, G H -- Couillin, P -- Junien, C -- Nowak, N J -- Shows, T B -- CA28853/CA/NCI NIH HHS/ -- GM20454/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 12;241(4867):840-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Roswell Park Memorial Institute, Buffalo, NY 14263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2841760" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosome Deletion ; *Chromosomes, Human, Pair 11 ; DNA/*genetics ; Humans ; Hybrid Cells/cytology ; Iris/*abnormalities ; Kidney Neoplasms/*genetics ; *Translocation, Genetic ; Wilms Tumor/*genetics
    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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  • 8
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    Immunization with an isolate-common surface protein protects cattle against anaplasmosis (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-14
    Description: Hemoparasitic diseases are endemic in half the world's livestock production areas and are the greatest obstacle to improved meat, milk, and fiber production in the Third World. The most prevalent of these diseases, anaplasmosis, occurs throughout tropical and subtropical regions and is responsible for 50,000 to 100,000 cattle deaths annually in the United States alone. Despite its prevalence and the severity of the losses, an effective immunoprophylaxis for anaplasmosis has not been developed. A neutralization-sensitive epitope on a surface protein with a molecular weight of 105,000 (Am 105) of the causative rickettsia Anaplasma marginale was identified by monoclonal antibody inhibition of infectivity. This epitope was determined to be common to eight isolates with antigenic, morphologic, and protein structural differences. Cattle immunized with Am 105 purified by immunoaffinity chromatography were protected against challenge with virulent Anaplasma marginale. The identification of Am 105 as bearing isolate-common epitopes capable of inducing protection in immunized cattle provides the basis for the development of an effective subunit vaccine for bovine anaplasmosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palmer, G H -- Barbet, A F -- Davis, W C -- McGuire, T C -- GM 07853/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 14;231(4743):1299-302.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3945825" target="_blank"〉PubMed〈/a〉
    Keywords: Anaplasma/immunology ; Anaplasmosis/immunology/*prevention & control ; Animals ; Antibodies, Monoclonal ; Antigens, Surface/*immunology/isolation & purification ; Cattle ; Cattle Diseases/immunology/parasitology/*prevention & control ; Chromatography, Affinity ; Electrophoresis, Polyacrylamide Gel ; Immunization/*veterinary ; Plasmodium/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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  • 9
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    Human amnion membrane serves as a substratum for growing axons in vitro and in vivo (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-05-29
    Description: The epithelial cell layer of human amnion membrane can be removed while the basement membrane and stromal surfaces remain morphologically intact. Such a preparation has been used as a substratum for the in vitro culture of dissociated neurons. Embryonic motor neurons from chick ciliary ganglion attached to both surfaces but grew extensive neurites only on the basement membrane. On cross sections of rolled amnion membranes, regenerating axons of cultured neurons were guided along pathways of basement membrane that were immunoreactive with an antibody to laminin. In addition, when rolled amnion membranes were implanted into a lesion cavity between the rat septum and hippocampus, cholinergic neurons extended axons through the longitudinally oriented implant into the hippocampus. Thus, this amnion preparation can serve as a bridge to promote axonal regeneration in vivo in damaged adult brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, G E -- Blaker, S N -- Engvall, E -- Varon, S -- Manthorpe, M -- Gage, F H -- AM30051/AM/NIADDK NIH HHS/ -- CA28896/CA/NCI NIH HHS/ -- NS16349/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1987 May 29;236(4805):1106-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3576223" target="_blank"〉PubMed〈/a〉
    Keywords: *Amnion ; Animals ; Axons/*growth & development ; Basement Membrane ; Chick Embryo ; Humans ; In Vitro Techniques ; Motor Neurons/growth & development ; Rats
    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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