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  • Animals  (8)
  • American Association for the Advancement of Science (AAAS)  (8)
  • 1990-1994  (8)
  • 1990  (8)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (8)
Years
  • 1990-1994  (8)
Year
  • 1
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    Molecular characterization of a functional cDNA encoding the rat substance P receptor (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-23
    Description: Substance P is a member of the tachykinin peptide family and participates in the regulation of diverse biological processes. The polymerase chain reaction and conventional library screening were used to isolate a complementary DNA (cDNA) encoding the rat substance P receptor from brain and submandibular gland. By homology analysis, this receptor belongs to the G protein-coupled receptor superfamily. The receptor cDNA was expressed in a mammalian cell line and the ligand binding properties of the encoded receptor were pharmacologically defined by Scatchard analysis and tachykinin peptide displacement as those of a substance P receptor. The distribution of the messenger RNA for this receptor is highest in urinary bladder, submandibular gland, striatum, and spinal cord, which is consistent with the known distribution of substance P receptor binding sites. Thus, this receptor appears to mediate the primary actions of substance P in various brain regions and peripheral tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hershey, A D -- Krause, J E -- NS21937/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 23;247(4945):958-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2154852" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Brain Chemistry ; Cloning, Molecular ; DNA/*genetics/isolation & purification ; GTP-Binding Proteins/metabolism ; Gene Expression ; Intestine, Small/analysis ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Polymerase Chain Reaction ; RNA, Messenger/analysis ; Rats ; Receptors, Neurokinin-1 ; Receptors, Neurotransmitter/*genetics ; Sequence Homology, Nucleic Acid ; Submandibular Gland/analysis ; Tissue Distribution ; Urinary Bladder/analysis
    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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    Induction of donor-specific unresponsiveness by intrathymic islet transplantation (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-14
    Description: The application of isolated pancreatic islet transplantation for treatment of diabetes mellitus has been hampered by the vulnerability of islet allografts to immunologic rejection. Rat islet allografts that were transplanted into the thymus of recipients treated with a single injection of anti-lymphocyte serum survived indefinitely. A state of donor-specific unresponsiveness was achieved that permitted survival of a second donor strain islet allograft transplanted to an extrathymic site. Maturation of T cell precursors in a thymic microenvironment that is harboring foreign alloantigen may induce the selective unresponsiveness. This model provides an approach for pancreatic islet transplantation and a potential strategy for specific modification of the peripheral immune repertoire.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Posselt, A M -- Barker, C F -- Tomaszewski, J E -- Markmann, J F -- Choti, M A -- Naji, A -- DK26007/DK/NIDDK NIH HHS/ -- DK34878/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 14;249(4974):1293-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2119056" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antilymphocyte Serum ; Blood Glucose/metabolism ; Diabetes Mellitus, Experimental/*surgery ; Graft Enhancement, Immunologic ; Immune Tolerance ; *Islets of Langerhans Transplantation ; Rats ; Rats, Inbred Lew ; Rats, Inbred WF ; T-Lymphocytes/immunology ; Thymus Gland/surgery ; Transplantation, Heterotopic
    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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    Regulation of alloreactivity in vivo by a soluble form of the interleukin-1 receptor (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: In vitro studies have shown that cytokines are involved in the regulation of the immune response, but their role in vivo is less well defined. Specific cytokine antagonists enable the identification of particular cytokines involved in the response and offer a means for modifying it. Systemic administration of a soluble, extracellular portion of the receptor for interleukin-1 (sIL-1R) had profound inhibitory effects on the development of in vivo alloreactivity. Survival of heterotopic heart allografts was prolonged from 12 days in controls to 17 days in mice treated with sIL-1R. Lymph node hyperplasia in response to a localized injection of allogeneic cells was completely blocked by sIL-1R treatment. The inhibition was overcome by simultaneous administration of interleukin-1 (IL-1); thus, sIL-1R acts by neutralizing IL-1. These results implicate IL-1 as a regulator of allograft rejection and demonstrate the in vivo biological efficacy of a soluble cytokine receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fanslow, W C -- Sims, J E -- Sassenfeld, H -- Morrissey, P J -- Gillis, S -- Dower, S K -- Widmer, M B -- New York, N.Y. -- Science. 1990 May 11;248(4956):739-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunex Corporation, Seattle, WA 98101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2139736" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Graft Rejection ; *Graft Survival ; H-2 Antigens/immunology ; Heart Transplantation/*immunology ; Immunosuppression ; Interleukin-1/*immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Receptors, Antigen, T-Cell/immunology ; Receptors, Immunologic/*immunology ; Receptors, Interleukin-1 ; Transplantation, Heterotopic ; Transplantation, Homologous
    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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    Phosphorylation of the polymeric immunoglobulin receptor required for its efficient transcytosis (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-05-11
    Description: The endosomal compartment of polarized epithelial cells is a major crossroads for membrane traffic. Proteins entering this compartment from the cell surface are sorted for transport to one of several destinations: recycling to the original cell surface, targeting to lysosomes for degradation, or transcytosis to the opposite surface. The polymeric immunoglobulin receptor (pIgR), which is normally transcytosed from the basolateral to the apical surface, was used as a model to dissect the signals that mediate this sorting event. When exogenous receptor was expressed in Madin-Darby Canine Kidney (MDCK) cells, it was shown that phosphorylation of pIgR at the serine residue at position 664 is required for efficient transcytosis. Replacement of this serine with alanine generated a receptor that is transcytosed only slowly, and appears to be recycled. Conversely, substitution with aspartic acid (which mimics the negative charge of the phosphate group) results in rapid transcytosis. It was concluded that phosphorylation is the signal that directs the pIgR from the endosome into the transcytotic pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Casanova, J E -- Breitfeld, P P -- Ross, S A -- Mostov, K E -- R01-AI-25144/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1990 May 11;248(4956):742-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2110383" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine ; Animals ; Aspartic Acid ; Cell Line ; Cell Membrane/immunology/metabolism ; Endocytosis ; Immunoglobulin A/metabolism ; Kinetics ; Ligands ; Membrane Glycoproteins/metabolism ; Molecular Weight ; Mutation ; Phosphorylation ; Rats ; Receptors, Immunologic ; Secretory Component/genetics/*metabolism ; Serine
    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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    A borna virus cDNA encoding a protein recognized by antibodies in humans with behavioral diseases (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-11-30
    Description: Borna disease virus (BDV) causes a rare neurological disease in horses and sheep. The virus has not been classified because neither an infectious particle nor a specific nucleic acid had been identified. To identify the genome of BDV, a subtractive complementary DNA expression library was constructed with polyadenylate-selected RNA from a BDV-infected MDCK cell line. A clone (B8) was isolated that specifically hybridized to RNA isolated from BDV-infected brain tissue and BDV-infected cell lines. This clone hybridized to four BDV-specific positive strand RNAs (10.5, 3.6, 2.1, and 0.85 kilobases) and one negative strand RNA (10.5 kilobases) in BDV-infected rat brain. Nucleotide sequence analysis of the clone suggested that it represented a full-length messenger RNA which contained several open reading frames. In vitro transcription and translation of the clone resulted in the synthesis of the 14- and 24-kilodalton BDV-specific proteins. The 24-kilodalton protein, when translated in vitro from the clone, was recognized by antibodies in the sera of patients (three of seven) with behavioral disorders. This BDV-specific clone will provide the means to isolate the other BDV-specific nucleic acids and to identify the virus responsible for Borna disease. In addition, the significance of BDV or a BDV-related virus as a human pathogen can now be more directly examined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉VandeWoude, S -- Richt, J A -- Zink, M C -- Rott, R -- Narayan, O -- Clements, J E -- RR00130/RR/NCRR NIH HHS/ -- RR07002/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1990 Nov 30;250(4985):1278-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Colorado State University, Lab Animal Resources, Fort Collins 80532.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2244211" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Viral/*blood ; Borna Disease/*microbiology ; Borna disease virus/*genetics/immunology ; Brain/microbiology ; Cloning, Molecular ; DNA/*genetics ; Fluorescent Antibody Technique ; Humans ; Immunoblotting ; Mental Disorders/*microbiology ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Hybridization ; RNA, Messenger/analysis/genetics ; RNA, Viral/analysis/genetics ; Rats ; Transcription, Genetic ; Viral Proteins/*genetics/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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    Specific expression of a tyrosine kinase gene, blk, in B lymphoid cells (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-01-19
    Description: Several pathways of transmembrane signaling in lymphocytes involve protein-tyrosine phosphorylation. With the exception of p56lck, a tyrosine kinase specific to T lymphoid cells that associates with the T cell transmembrane proteins CD4 and CD8, the kinases that function in these pathways are unknown. A murine lymphocyte complementary DNA that represents a new member of the src family has now been isolated and characterized. This complementary DNA, termed blk (for B lymphoid kinase), specifies a polypeptide of 55 kilodaltons that is related to, but distinct from, previously identified retroviral or cellular tyrosine kinases. The protein encoded by blk exhibits tyrosine kinase activity when expressed in bacterial cells. In the mouse and among cell lines, blk is specifically expressed in the B cell lineage. The tyrosine kinase encoded by blk may function in a signal transduction pathway that is restricted to B lymphoid cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dymecki, S M -- Niederhuber, J E -- Desiderio, S V -- New York, N.Y. -- Science. 1990 Jan 19;247(4940):332-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2404338" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; B-Lymphocytes/*enzymology ; Base Sequence ; Codon ; DNA/genetics/isolation & purification ; Escherichia coli/enzymology/genetics ; *Gene Expression ; Mice ; Molecular Sequence Data ; Protein-Tyrosine Kinases/*genetics ; Signal Transduction ; src-Family Kinases/*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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  • 7
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    Targeting the E1 replication protein to the papillomavirus origin of replication by complex formation with the E2 transactivator (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: The mechanism by which transcription factors stimulate DNA replication in eukaryotes is unknown. Bovine papillomavirus DNA synthesis requires the products of the viral E1 gene and the transcriptional activator protein encoded by the E2 gene. Experimental data showed that the 68-kilodalton (kD) E1 protein formed a complex with the 48-kD E2 transcription factor. This complex bound specifically to the viral origin of replication, which contains multiple binding sites for E2. Repressor proteins encoded by the E2 open reading frame failed to complex with E1 suggesting that the 162-amino acid region of E2 that participates in transactivation contained critical determinants for interaction with E1. The physical association between a replication protein and a transcription factor suggests that transcriptional activator proteins may function in targeting replication initiator proteins to their respective origins of replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mohr, I J -- Clark, R -- Sun, S -- Androphy, E J -- MacPherson, P -- Botchan, M R -- CA-30490/CA/NCI NIH HHS/ -- CA-42414/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1694-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkely 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2176744" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Bovine papillomavirus 1/*genetics ; Cell Line ; *DNA Replication ; DNA, Viral/biosynthesis/genetics ; DNA-Binding Proteins/*metabolism ; Genes, Viral ; Open Reading Frames ; Protein Binding ; Repressor Proteins/*metabolism ; Transcription Factors/*metabolism ; Viral 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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  • 8
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    Tumorigenicity in human melanoma cell lines controlled by introduction of human chromosome 6 (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-02-02
    Description: Chromosome banding analysis of human malignant melanoma has documented the nonrandom alteration of chromosome 6. To determine the relevance of chromosome 6 abnormalities in melanoma, a normal chromosome 6 was directly introduced into melanoma cell lines. The resulting (+6) microcell hybrids were significantly altered in their phenotypic properties in culture and lost their ability to form tumors in nude mice. The loss of the chromosome 6 from melanoma microcell hybrids resulted in the reversion to tumorigenicity of these cells in mice. The introduction of the selectable marker (psv2neo) alone into melanoma cell lines had no effect on tumorigenicity. These results support the idea that one or more genes on chromosome 6 may control the malignant expression of human melanoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trent, J M -- Stanbridge, E J -- McBride, H L -- Meese, E U -- Casey, G -- Araujo, D E -- Witkowski, C M -- Nagle, R B -- CA-19104/CA/NCI NIH HHS/ -- CA-23074/CA/NCI NIH HHS/ -- R37-CA-29476/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Feb 2;247(4942):568-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Arizona, Arizona Cancer Center, Tucson 85724.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2300817" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cell Line ; Chromosome Aberrations ; Chromosome Banding ; *Chromosomes, Human, Pair 6 ; Humans ; Hybrid Cells/cytology ; Karyotyping ; Melanoma/*genetics/pathology ; Mice ; Phenotype ; Transplantation, Heterologous
    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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