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  • Journals
  • Articles  (35)
  • Latest Papers from Table of Contents or Articles in Press  (35)
  • Cell Line  (35)
  • 2020-2023
  • 1975-1979  (35)
  • 1960-1964
  • 1955-1959
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  • Journals
  • Articles  (35)
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  • Latest Papers from Table of Contents or Articles in Press  (35)
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  • 1
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    Genetic mechanism accounting for precise immunoglobulin domain deletion in a variant of MPC 11 myeloma cells (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-12-14
    Description: A variant of the MPC 11 cell line, M 311, produces a short immunoglobulin heavy chain. When compared with the parental gamma 2b heavy chain, M 311 was found to have a carboxyl terminal deletion comprising the CH3 domain. The COOH-terminal cyanogen bromide (CNBr) cleavage fragment of M 311 is identical to a corresponding segment ofa parental heavy chain CNBr fragment, with the exception of a substitution of asparagine for lysine at the COOH-terminal residue. This observation enabled prediction of both the parental DNA sequence in this region and the genetic mechanism which generated the variant, a frameshift followed by premature termination. This hypothesis is supported by studies of the DNA sequence of the MPC 11 gamma 2b constant region gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kenter, A L -- Birshtein, B K -- R21 AI106328/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1979 Dec 14;206(4424):1307-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/117550" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosome Deletion ; Genes ; Immunoglobulin G/*genetics ; Immunoglobulin gamma-Chains/genetics ; Macromolecular Substances ; Melphalan/pharmacology ; Mice ; Mutation ; Myeloma Proteins/*genetics ; Neoplasms, Experimental/genetics ; Peptide Chain Termination, Translational ; Plasmacytoma/genetics
    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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    Opiate (Enkephalin) receptors of neuroblastoma cells: occurrence in clusters on the cell surface (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: A bioactive, fluorescent derivative of enkephalin, Tyr-D-Ala-Gly-Phe-Leu-Lys-rhodamine, was used to determine the distribution of opiate receptors in living neuroblastoma cells. The receptors appeared in clusters on the cell surface, and no internalization was detected. No specific fluorescence or clusters were observed in the presence of [D-Ala2, Leu5]enkephalin or at 4 degrees C, and the clusters were much reduced under ionic conditions (that is, with 100 millimolars sodium) that specifically decrease the binding of opiate agonists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hazum, E -- Chang, K J -- Cuatrecasas, P -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1077-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/227058" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Endorphins/*metabolism ; Enkephalins/*metabolism ; Mice ; Microscopy, Fluorescence ; Neoplasms, Experimental/metabolism ; Neuroblastoma/*metabolism ; Receptors, Opioid/*metabolism ; Synaptic Membranes/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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  • 3
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    Noncycling tumor cells are sensitive targets for the antiproliferative activity of human interferon (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Resting Burkitt's lymphoma cells (Daudi) in culture are more sensitive targets for the antiproliferative activity of purified human fibroblast interferon than cells that are rapidly multiplying. Thus, interferon may be of significant clinical value in neoplasms involving stem cells and, after chemotherapy, in suppressing the reemergence of tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Horoszewicz, J S -- Leong, S S -- Carter, W A -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1091-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/493995" target="_blank"〉PubMed〈/a〉
    Keywords: Burkitt Lymphoma/drug therapy/pathology ; Cell Cycle/drug effects ; Cell Division/*drug effects ; Cell Line ; Cells, Cultured ; Humans ; Interferons/*pharmacology/therapeutic use ; Lymphocytes/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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  • 4
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    GABA receptors in clonal cell lines: a model for study of benzodiazepine action at molecular level (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-24
    Description: A "recptor unit" for gamma-aminobutyric acid (GABA), which includes brainlike receptor binding sites for tritium-labeled GABA and benzodiazepines (diazepam, clonazepam, and flunitrazepam) and a thermostable endogenous protein (GABA modulin) that inhibits both GABA and benzodiazepine binding, has been demonstrated in membranes prepared from NB2a neuroblastoma and C6 glioma clonal cell lines. In these cells, as in brain, diazepam (1 micromolar) prevents the effect of GABA modulin, and in turn GABA (0.oma and, to a lesser extent, the glioma cells represent a suitable model to study the interactions and the sequence of membrane and intracellular events triggered by the stimulation of benzodiazepine and GABA receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baraldi, M -- Guidotti, A -- Schwartz, J P -- Costa, E -- New York, N.Y. -- Science. 1979 Aug 24;205(4408):821-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/462192" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzodiazepines/*metabolism ; Brain/*metabolism ; Cell Line ; Clonazepam/metabolism ; Clone Cells/metabolism ; Diazepam/metabolism/pharmacology ; Flunitrazepam/metabolism ; Membrane Proteins/pharmacology ; Mice ; Nerve Tissue Proteins/pharmacology ; Rats ; Receptors, Drug/*metabolism ; gamma-Aminobutyric Acid/*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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  • 5
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    Permeability of the cell-to-cell membrane channels in mammalian cell juncton (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-27
    Description: The channels in the junctions of various mammalian cell types--primary cultures and lines--were probed with a series of linear fluorescent amino acid and peptide molecules of different size and charge. Permeability is limited by probe size and electronegativity, these two factors apparently being related reciprocally. In respect to both factors, mammalian junctional channels are more restrictive than insect channels; hence the mammalian channels are narrower, more polar, or both. The channels of the various mammalian cell types differed slightly from each other; in some types the serum of the culture medium affected the channel permeability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flagg-Newton, J -- Simpson, I -- Loewenstein, W R -- New York, N.Y. -- Science. 1979 Jul 27;205(4404):404-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377490" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/physiology ; *Cell Membrane Permeability ; Cells, Cultured ; Cricetinae ; Fluorescent Antibody Technique ; Kidney ; Mice ; Mice, Inbred BALB C ; Species Specificity
    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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    Human macrophage migration inhibition factor: evidence for subunit structure (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-07-20
    Description: Macrophage migration inhibition factor (MIF) derived from human lymphoid cell lines was found to lose biologic activity on dialysis. Although activity was not recovered in the dialyzate, mixing experiments demonstrated that the components in the retentate and dialyzate could reassociate to restore activity. The fragment of larger molecular weight (less than 10,000) could inhibit the activity of intact MIF, whereas the smaller molecular weight fragment (5,000 to 10,000) could not. These findings suggest that human MIF is composed of at least two noncovalently linked subunits. In analogy to the situation for certain bacterial toxins, one of these may represent an attachment piece for a target cell membrane receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Possanza, G -- Cohen, M C -- Yoshida, T -- Cohen, S -- New York, N.Y. -- Science. 1979 Jul 20;205(4403):300-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/377487" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Dialysis ; Humans ; In Vitro Techniques ; Lymphocytes/physiology ; Macromolecular Substances ; *Macrophage Migration-Inhibitory Factors ; Molecular Weight
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 7
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    Nuclear transcripts of mouse heavy chain immunoglobulin genes contain only the expressed class of C-region sequences (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-06-08
    Description: In plasmacytoma cells producing IgG, IgA, or IgM immunoglobulin heavy chains, the large precursors of the heavy chain messenger RNA's contain nucleotide sequences that specify only the expressed class of constant region. This indicates that the switch from one class of heavy chain to another during B cell ontogeny does not occur by altered processing of a complex gene transcript.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marcu, K B -- Schibler, U -- Perry, R P -- New York, N.Y. -- Science. 1979 Jun 8;204(4397):1087-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/109919" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; Cell Nucleus/metabolism ; Immunoglobulin Constant Regions/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulins/*genetics ; Mice ; Myeloma Proteins/*genetics ; Neoplasms, Experimental/immunology ; Nucleic Acid Precursors/genetics ; Plasmacytoma/immunology ; Poly A/metabolism ; RNA, Heterogeneous Nuclear/genetics ; *Transcription, Genetic
    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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  • 8
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    Induction of differentiation in human promyelocytic leukemia cells by tumor promoters (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-25
    Description: Phorbol diester tumor promoters and the promoter mezerein convert human promyelocytic leukemia cells in culture into adherent, nonproliferating cells with many of the characteristics of macrophages. Other types of promoters such as anthralin, phenobarbital, and saccharin do not have this effect. Various compounds that can inhibit some of the biological and biochemical effects of tumor promoters do not interfere with the induction of cell adherence and differentiation by the effective promoters.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rovera, G -- O'Brien, T G -- Diamond, L -- New York, N.Y. -- Science. 1979 May 25;204(4395):868-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/286421" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Adhesion/drug effects ; Cell Differentiation/*drug effects ; Cell Line ; Humans ; Leukemia, Myeloid, Acute/*pathology ; Phorbol Esters/pharmacology ; Phorbols/*pharmacology ; Tetradecanoylphorbol Acetate/*pharmacology
    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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    Membrane effects of thyrotropin-releasing hormone and estrogen shown by intracellular recording from pituitary cells (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-04
    Description: The effects of thyrotropin-releasing hormone and 17 beta-estradiol on the electrical membrane properties of a prolactin-secretin pituitary cell line (GH3/B6) were studied with intracellular microelectrode recordings. Of the cells tested, 50 percent were excitable and displayed calcium-dependent action potentials when depolarized. When injected directly on the membrane of an excitable cell, thyrotropin-releasing hormone and 17 beta-estradiol induced action potentials within 1 minute. The spiking activity was preceded by a progressive increase of the input resistance without any detectable change in the resting membrane polarization. The results reveal a rapid effect of both substances on the membrane of GH3/B6 cells. In the case of thyrotropin-releasing hormone, which has both a short-term effect on release of prolactin and a long-term effect on its synthesis, the induced electrical activity may be associated with the stimulation of prolactin production. The physiological implication of 17 beta-estradiol-induced, calcium-dependent spiking activity remains to be elucidated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dufy, B -- Vincent, J D -- Fleury, H -- Du Pasquier, P -- Gourdji, D -- Tixier-Vidal, A -- New York, N.Y. -- Science. 1979 May 4;204(4392):509-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/107590" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials/drug effects ; Cell Line ; Cell Membrane/drug effects ; Estradiol/*pharmacology ; Pituitary Gland/*drug effects ; Stimulation, Chemical ; Thyrotropin-Releasing Hormone/*pharmacology
    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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    Thiourea reverses cross-links and restores biological activity in DNA treated with dichlorodiaminoplatinum (II) (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-13
    Description: Cis and trans dichlorodiaminoplatinum (II) compounds bind to DNA and form DNA cross-links, which are usually considered to be irreversible. Thiourea can reverse these cross-links without any apparent breakdown of the DNA. In addition, cis- and trans-Pt (II) treatment of lambda decreases its transfectivity. After suitable incubation with thiourea, full transfectivity of Pt(II)-treated lambda DNA can be restored.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Filipski, J -- Kohn, K W -- Prather, R -- Bonner, W M -- New York, N.Y. -- Science. 1979 Apr 13;204(4389):181-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/571145" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Coliphages ; DNA/*metabolism ; DNA, Neoplasm/metabolism ; DNA, Viral/metabolism ; Leukemia L1210 ; Organoplatinum Compounds/*antagonists & inhibitors ; Structure-Activity Relationship ; Thiourea/*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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