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  • Bücher
  • Artikel  (258)
  • Cell Line  (258)
  • 1985-1989  (258)
  • Science. 227(4682): 15-20.  (1)
  • Science. 227(4682): 23-8.  (1)
  • Science. 227(4683): 134-40.  (1)
  • Science. 227(4683): 171-3.  (1)
  • Science. 227(4684): 266-70.  (1)
  • Science. 227(4684): 311-4.  (1)
  • Science. 227(4684): 317-20.  (1)
  • Science. 227(4685): 375-81.  (1)
  • Science. 227(4685): 429-33.  (1)
  • Science. 227(4691): 1174-9.  (1)
  • Science. 227(4693): 1482-4.  (1)
  • Science. 227(4693): 1487-90.  (1)
  • Science. 227(4693): 1499-502.  (1)
  • Science. 228(4695): 26-30.  (1)
  • Science. 228(4695): 77-9.  (1)
  • Science. 228(4695): 80-3.  (1)
  • Science. 228(4696): 149-54.  (1)
  • Science. 228(4699): 554-8.  (1)
  • Science. 228(4700): 722-4.  (1)
  • Science. 228(4700): 725-8.  (1)
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  • Artikel  (258)
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  • 1
    Publikationsdatum: 1989-12-22
    Beschreibung: A human acute lymphoblastic leukemia (ALL) cell line that was transplanted into immune-deficient SCID mice proliferated in the hematopoietic tissues, invaded various organs, and led to the death of the mice. The distribution of leukemic cells in SCID mice was similar to the course of the disease in children. A-1 cells marked with a retrovirus vector showed clonal evolution after the transplant. SCID mice that were injected with bone marrow from three patients with non-T ALL had leukemic cells in their bone marrow and spleen. This in vivo model of human leukemia is an approach to understanding leukemic growth and progression and is a novel system for testing new treatment strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kamel-Reid, S -- Letarte, M -- Sirard, C -- Doedens, M -- Grunberger, T -- Fulop, G -- Freedman, M H -- Phillips, R A -- Dick, J E -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1597-600.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Hospital for Sick Children, Toronto, Ontario.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2595371" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain/pathology ; Cell Line ; Clone Cells ; DNA, Neoplasm/isolation & purification ; Humans ; Immunologic Deficiency Syndromes/*pathology ; Kidney/pathology ; Liver/pathology ; Mice ; Mice, Mutant Strains ; Neoplasm Transplantation ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/*pathology ; Transplantation, Heterologous
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 1989-12-22
    Beschreibung: CD16 is a low-affinity immunoglobulin G (IgG) Fc receptor that is expressed on natural killer (NK) cells, granulocytes, activated macrophages, and some T lymphocytes. Two similar genes, CD16-I and CD16-II, encode membrane glycoproteins that are anchored by phosphatidylinositol (PI)-glycan and transmembrane polypeptides, respectively. The primary structural requirements for PI-linkage were examined by constructing a series of hybrid cDNA molecules. Although both cDNA's have an identical COOH-terminal hydrophobic segment, CD16-I has Ser203 whereas CD16-II has Phe203. Conversion of Phe to Ser in CD16-II permits expression of a PI-glycan-anchored glycoprotein, whereas conversion of Ser to Phe in CD16-I prevents PI-glycan linkage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanier, L L -- Cwirla, S -- Yu, G -- Testi, R -- Phillips, J H -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1611-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Becton Dickinson Monoclonal Center, Inc., Mountain View, CA 94043.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2531919" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, CD/*genetics ; Antigens, Differentiation/*genetics/metabolism ; Base Sequence ; Cell Line ; Cell Membrane/immunology ; Codon/genetics ; *Genes, Immunoglobulin ; Granulocytes/immunology ; Humans ; Membrane Glycoproteins/*genetics ; Molecular Sequence Data ; *Phenylalanine ; Receptors, Fc/*genetics/metabolism ; Receptors, IgG ; *Serine ; Transfection
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 1989-12-22
    Beschreibung: The pituitary hormone thyrotropin, or thyroid-stimulating hormone (TSH), is the main physiological agent that regulates the thyroid gland. The thyrotropin receptor (TSHR) was cloned by selective amplification with the polymerase chain reaction of DNA segments presenting sequence similarity with genes for G protein-coupled receptors. Out of 11 new putative receptor clones obtained from genomic DNA, one had sequence characteristics different from all the others. Although this clone did not hybridize to thyroid transcripts, screening of a dog thyroid complementary DNA (cDNA) library at moderate stringency identified a cDNA encoding a 4.9-kilobase thyroid-specific transcript. The polypeptide encoded by this thyroid-specific transcript consisted of a 398-amino acid residue amino-terminal segment, constituting a putative extracellular domain, connected to a 346-residue carboxyl-terminal domain that contained seven putative transmembrane segments. Expression of the cDNA conferred TSH responsiveness to Xenopus oocytes and Y1 cells and a TSH binding phenotype to COS cells. The TSHR and the receptor for luteinizing hormone-choriogonadotropin constitute a subfamily of G protein-coupled receptors with distinct sequence characteristics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parmentier, M -- Libert, F -- Maenhaut, C -- Lefort, A -- Gerard, C -- Perret, J -- Van Sande, J -- Dumont, J E -- Vassart, G -- R01-DK21732/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1620-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Recherche Interdisciplinaire, Faculte de Medecine, Universite Libre de Bruxelles, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2556796" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Blotting, Northern ; Cell Line ; *Cloning, Molecular ; Cyclic AMP ; Dogs ; Female ; *Genes ; Molecular Sequence Data ; Oocytes/drug effects/metabolism ; Organ Specificity ; Polymerase Chain Reaction/methods ; RNA, Messenger/genetics ; Receptors, Thyrotropin/*genetics ; Thyrotropin/pharmacology ; Transcription, Genetic ; Xenopus
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 1989-12-22
    Beschreibung: Granulocyte and natural killer (NK) cell Fc receptors for immunoglobulin G (CD16) differ in only a few amino acids, yet have phosphatidylinositol glycan (PIG) or polypeptide membrane anchors, respectively. Mutagenesis shows that anchoring is regulated by a serine residue near the PIG anchor attachment site in the extracellular domain. The NK cell isoform was not expressed on the surface of COS cells unless cotransfected with a subunit that was expressed in NK cells and that was identical to the gamma subunit of the high affinity IgE Fc receptor (Fc epsilon RI). However, the CD16 sequence and not expression of the gamma subunit is dominant in regulating PIG reanchoring.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hibbs, M L -- Selvaraj, P -- Carpen, O -- Springer, T A -- Kuster, H -- Jouvin, M H -- Kinet, J P -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1608-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2531918" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, CD/genetics ; Antigens, Differentiation/*genetics ; Cell Line ; Cell Membrane/immunology ; Flow Cytometry ; *Gene Expression Regulation ; Genes, Immunoglobulin ; Granulocytes/immunology ; Humans ; Immunoglobulin G ; Killer Cells, Natural/immunology ; L Cells (Cell Line)/immunology ; Mice ; Mutation ; RNA, Messenger/genetics/isolation & purification ; Receptors, Fc/*genetics ; Receptors, IgG ; Transcription, Genetic ; Transfection
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1989-12-22
    Beschreibung: Fos and Jun form a heterodimeric complex that associates with the nucleotide sequence motif known as the AP-1 binding site. Although this complex has been proposed to function as a transcriptional regulator in neurons, no specific target gene has yet been identified. Proenkephalin mRNA increased in the hippocampus during seizure just after an increase in c-fos and c-jun expression was detected. Fos-Jun complexes bound specifically to a regulatory sequence in the 5' control region of the proenkephalin gene. Furthermore, c-fos and c-jun stimulated transcription from this control region synergistically in transactivation assays. These data suggest that the proenkephalin gene may be a physiological target for Fos and Jun in the hippocampus and indicate that these proto-oncogene transcription factors may play a role in neuronal responses to stimulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sonnenberg, J L -- Rauscher, F J 3rd -- Morgan, J I -- Curran, T -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1622-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology, Molecular Biology, Roche Research Center, Nutley, NJ 07110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2512642" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Brain/*metabolism ; Cell Line ; DNA-Binding Proteins/*genetics/metabolism ; Enhancer Elements, Genetic ; Enkephalins/*genetics ; *Gene Expression Regulation ; *Genes ; Hippocampus/metabolism ; Mice ; Molecular Sequence Data ; Promoter Regions, Genetic ; Protein Precursors/*genetics ; Protein-Tyrosine Kinases/*genetics ; Proto-Oncogene Proteins/*genetics/metabolism ; Proto-Oncogene Proteins c-fos ; Proto-Oncogene Proteins c-jun ; *Proto-Oncogenes ; RNA, Messenger/genetics ; Teratoma ; Transcription Factors/*genetics/metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1989-12-22
    Beschreibung: Expression of high levels of the structural proteins of the human immunodeficiency virus type 1 (HIV-1) requires the presence of the protein encoded by the rev open reading frame (Rev) and its associated target sequence CAR (cis anti-repression sequence) which is present in the env region of viral RNA. Extensive mutagenesis demonstrated that CAR has a complex secondary structure consisting of a central stem and five stem/loops. Disruption of any of these structures severely impaired the Rev response, but many of the stem/loops contain material that was unnecessary for Rev regulation and must be retained in these structures to avoid disturbing adjacent structures critical for CAR function. Probably no more than two of the described structural components are involved in sequence-specific recognition by regulatory proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dayton, E T -- Powell, D M -- Dayton, A I -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1625-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunoregulation, National Institute of Allergy and Infectious Disease, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2688093" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Cell Line ; Chromosome Deletion ; Gene Amplification ; Gene Products, rev/genetics/*metabolism ; *Genes, Viral ; HIV-1/*genetics ; Models, Structural ; Molecular Sequence Data ; Mutation ; Nucleic Acid Conformation ; Plasmids ; RNA, Viral/*genetics ; Software ; Trans-Activators/*metabolism ; Transfection ; Viral Envelope Proteins/genetics ; rev Gene Products, Human Immunodeficiency Virus
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 1989-12-22
    Beschreibung: One action of cyclosporin A thought to be central to many of its immunosuppressive effects is its ability to inhibit the early events of T lymphocyte activation such as lymphokine gene transcription in response to signals initiated at the antigen receptor. Cyclosporin A was found to specifically inhibit the appearance of DNA binding activity of NF-AT, AP-3, and to a lesser extent NF-kappa B, nuclear proteins that appear to be important in the transcriptional activation of the genes for interleukin-2 and its receptor, as well as several other lymphokines. In addition, cyclosporin A abolished the ability of the NF-AT binding site to activate a linked promoter in transfected mitogen-stimulated T lymphocytes and in lymphocytes from transgenic mice. These results indicate that cyclosporin A either directly inhibits the function of nuclear proteins critical to T lymphocyte activation or inhibits the action of a more proximal member of the signal transmission cascade leading from the antigen receptor to the nucleus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Emmel, E A -- Verweij, C L -- Durand, D B -- Higgins, K M -- Lacy, E -- Crabtree, G R -- CA 39612/CA/NCI NIH HHS/ -- HL 33942/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1617-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2595372" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Base Sequence ; Cell Line ; Chromosome Deletion ; Cyclosporins/*pharmacology ; Enhancer Elements, Genetic ; Gene Expression Regulation/*drug effects ; Genes/drug effects ; Humans ; Interleukin-2/genetics ; Lymphocyte Activation/*drug effects ; Molecular Sequence Data ; Mutation ; Nuclear Proteins/*antagonists & inhibitors ; Oligonucleotide Probes ; Receptors, Interleukin-2/genetics ; Repetitive Sequences, Nucleic Acid ; T-Lymphocytes/drug effects/*immunology ; Transcription, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1989-12-01
    Beschreibung: Diphtheria toxin (DTx) provokes extensive internucleosomal degradation of DNA before cell lysis. The possibility that DNA cleavage stems from direct chromosomal attack by intracellular toxin molecules was tested by in vitro assays for a DTx-associated nuclease activity. DTx incubated with DNA in solution or in a DNA-gel assay showed Ca2+- and Mg2+-stimulated nuclease activity. This activity proved susceptible to inhibition by specific antitoxin and migrated with fragment A of the toxin. Assays in which supercoiled double-stranded DNA was used revealed rapid endonucleolytic attack. Discovery of a DTx-associated nuclease activity lends support to the model that DTx-induced cell lysis is not a simple consequence of protein synthesis inhibition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, M P -- Baldwin, R L -- Bruce, C -- Wisnieski, B J -- 2 T32 HL07386/HL/NHLBI NIH HHS/ -- CA-09056/CA/NCI NIH HHS/ -- GM22240/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Dec 1;246(4934):1165-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of California, Los Angeles 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2531465" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteriophage lambda/genetics ; Calcium/pharmacology ; Cell Line ; DNA/*metabolism ; DNA, Superhelical/metabolism ; DNA, Viral/metabolism ; Deoxyribonucleases/antagonists & inhibitors/*metabolism ; Diphtheria Toxin/*metabolism ; Electrophoresis, Polyacrylamide Gel ; Humans ; Magnesium/pharmacology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 1989-11-24
    Beschreibung: 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〉
    Schlagwort(e): 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
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1989-11-10
    Beschreibung: This article reviews some of the significant contributions of fetal research and fetal tissue research over the past 20 years. The benefits of fetal research include the development of vaccines, advances in prenatal diagnosis, detection of malformations, assessment of safe and effective medications, and the development of in utero surgical therapies. Fetal tissue research benefits vaccine development, assessment of risk factors and toxicity levels in drug production, development of cell lines, and provides a source of fetal cells for ongoing transplantation trials. Together, fetal research and fetal tissue research offer tremendous potential for the treatment of the fetus, neonate, and adult.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, J T -- Sladek, J R Jr -- P01-NS24032/NS/NINDS NIH HHS/ -- P01-NS25778/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Nov 10;246(4931):775-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology and Anatomy, University of Rochester School of Medicine and Dentistry, NY 14642.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2683082" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line ; Congenital Abnormalities/diagnosis ; Female ; *Fetal Diseases ; *Fetal Research ; *Fetus/cytology/surgery ; Genetic Diseases, Inborn ; Humans ; Nontherapeutic Human Experimentation ; Pregnancy ; Prenatal Diagnosis ; *Research ; *Risk Assessment ; Therapeutic Human Experimentation ; Vaccines
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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