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  • Base Sequence  (20)
  • Rats  (9)
  • American Association for the Advancement of Science (AAAS)  (26)
  • 1990-1994  (26)
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  • American Association for the Advancement of Science (AAAS)  (26)
  • Springer  (1)
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  • 1
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-25
    Description: The action of dopamine and other monoamine neurotransmitters at synapses is terminated predominantly by high-affinity reuptake into presynaptic terminals by specific sodium-dependent neurotransmitter transport proteins. A complementary DNA encoding a rat dopamine transporter has been isolated that exhibits high sequence similarity with the previously cloned norepinephrine and gamma-aminobutyric acid transporters. Transient expression of the complementary DNA in HeLa cells confirms the cocaine sensitivity of this transporter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kilty, J E -- Lorang, D -- Amara, S G -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):578-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yale University, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948035" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/drug effects/*genetics/metabolism ; Cloning, Molecular ; Cocaine/*pharmacology ; Dopamine/*metabolism ; Dopamine Plasma Membrane Transport Proteins ; Gene Expression ; HeLa Cells ; Humans ; Kinetics ; *Membrane Glycoproteins ; *Membrane Transport Proteins ; Molecular Sequence Data ; *Nerve Tissue Proteins ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; Rats ; Sequence Homology, Nucleic Acid ; 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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  • 2
    Publication Date: 1991-07-26
    Description: Malignant hyperthermia (MH) causes neurological, liver, and kidney damage and death in humans and major economic losses in the swine industry. A single point mutation in the porcine gene for the skeletal muscle ryanodine receptor (ryr1) was found to be correlated with MH in five major breeds of lean, heavily muscled swine. Haplotyping suggests that the mutation in all five breeds has a common origin. Assuming that this is the causal mutation for MH, the development of a noninvasive diagnostic test will provide the basis for elimination of the MH gene or its controlled inclusion in swine breeding programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fujii, J -- Otsu, K -- Zorzato, F -- de Leon, S -- Khanna, V K -- Weiler, J E -- O'Brien, P J -- MacLennan, D H -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):448-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862346" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Codon/genetics ; Haplotypes ; Malignant Hyperthermia/genetics/*veterinary ; Molecular Sequence Data ; *Mutation ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Receptors, Cholinergic/*genetics ; Restriction Mapping ; Ryanodine/metabolism ; Ryanodine Receptor Calcium Release Channel ; Species Specificity ; Swine ; Swine Diseases/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1992-11-27
    Description: Peptide nucleic acids (PNAs) are polyamide oligomers that can strand invade duplex DNA, causing displacement of one DNA strand and formation of a D-loop. Binding of either a T10 PNA or a mixed sequence 15-mer PNA to the transcribed strand of a G-free transcription cassette caused 90 to 100 percent site-specific termination of pol II transcription elongation. When a T10 PNA was bound on the nontranscribed strand, site-specific inhibition never exceeded 50 percent. Binding of PNAs to RNA resulted in site-specific termination of both reverse transcription and in vitro translation, precisely at the position of the PNA.RNA heteroduplex. Nuclear microinjection of cells constitutively expressing SV40 large T antigen (T Ag) with either a 15-mer or 20-mer PNA targeted to the T Ag messenger RNA suppressed T Ag expression. This effect was specific in that there was no reduction in beta-galactosidase expression from a coinjected expression vector and no inhibition of T Ag expression after microinjection of a 10-mer PNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanvey, J C -- Peffer, N J -- Bisi, J E -- Thomson, S A -- Cadilla, R -- Josey, J A -- Ricca, D J -- Hassman, C F -- Bonham, M A -- Au, K G -- New York, N.Y. -- Science. 1992 Nov 27;258(5087):1481-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Glaxo Inc. Research Institute, Research Triangle Park, NC 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1279811" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Polyomavirus Transforming/genetics ; Base Sequence ; DNA/*metabolism ; Deoxyribonuclease HindIII/antagonists & inhibitors ; Gene Expression/drug effects ; HeLa Cells ; Humans ; In Vitro Techniques ; Molecular Sequence Data ; Oligodeoxyribonucleotides/*metabolism/pharmacology ; Oligonucleotides, Antisense/*metabolism/pharmacology ; *Peptide Nucleic Acids ; Plasmids ; Protein Biosynthesis/drug effects ; RNA/metabolism ; Rabbits ; Rats ; Transcription, Genetic/drug effects
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  • 4
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    American Association for the Advancement of Science (AAAS)
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 1992-12-21
    Description: Interferon-gamma (IFN-gamma) induces the transcription of the gene encoding a guanylate binding protein by activating a latent cytoplasmic factor, GAF (gamma-activated factor). GAF is translocated to the nucleus and binds a DNA element, the gamma-activated site. Through cross-linking and the use of specific antibodies GAF was found to be a 91-kilodalton DNA binding protein that was previously identified as one of four proteins in interferon-stimulated gene factor-3 (ISGF-3), a transcription complex activated by IFN-alpha. The IFN-gamma-dependent activation of the 91-kilodalton DNA binding protein required cytoplasmic phosphorylation of the protein on tyrosine. The 113-kilodalton ISGF-3 protein that is phosphorylated in response to IFN-alpha was not phosphorylated nor translocated to the nucleus in response to IFN-gamma. Thus the two different ligands result in tyrosine phosphorylation of different combinations of latent cytoplasmic transcription factors that then act at different DNA binding sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shuai, K -- Schindler, C -- Prezioso, V R -- Darnell, J E Jr -- New York, N.Y. -- Science. 1992 Dec 11;258(5089):1808-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1281555" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Cell Nucleus/metabolism ; DNA-Binding Proteins/isolation & purification/*metabolism ; Electrophoresis, Gel, Two-Dimensional ; Electrophoresis, Polyacrylamide Gel ; GTP-Binding Proteins/*genetics ; Gene Expression Regulation/drug effects ; Interferon-alpha/pharmacology ; Interferon-gamma/*pharmacology ; Models, Biological ; Molecular Sequence Data ; Molecular Weight ; Oligodeoxyribonucleotides ; Phosphorylation ; Phosphotyrosine ; Promoter Regions, Genetic ; STAT1 Transcription Factor ; Signal Transduction/drug effects ; *Trans-Activators ; *Transcription, Genetic/drug effects ; Tyrosine/analogs & derivatives/analysis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    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
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  • 7
    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
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  • 8
    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
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  • 9
    Publication Date: 1991-11-15
    Description: Type I diabetes mellitus is an autoimmune disease resulting from the interaction of genetic and environmental factors. A virus that was identified serologically as Kilham's rat virus (KRV) was isolated from a spontaneously diabetic rat and reproducibly induced diabetes in naive diabetes-resistant (DR) BB/Wor rats. Viral antigen was not identified in pancreatic islet cells, and beta cell cytolysis was not observed until after the appearance of lymphocytic insulitis. KRV did not induce diabetes in major histocompatibility complex-concordant and discordant non-BB rats and did not accelerate diabetes in diabetes-prone BB/Wor rats unless the rats had been reconstituted with DR spleen cells. This model of diabetes may provide insight regarding the interaction of viruses and autoimmune disease [corrected]〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guberski, D L -- Thomas, V A -- Shek, W R -- Like, A A -- Handler, E S -- Rossini, A A -- Wallace, J E -- Welsh, R M -- DK07302/DK/NIDDK NIH HHS/ -- DK19155/DK/NIDDK NIH HHS/ -- DK7-2287/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):1010-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Massachusetts Medical Center, Worcester 01655.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1658938" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Laboratory ; Diabetes Mellitus, Type 1/genetics/*microbiology/pathology ; Disease Outbreaks/veterinary ; Genes, MHC Class I ; Haplotypes ; Islets of Langerhans/immunology/pathology ; Parvoviridae Infections/complications/pathology/*veterinary ; Rats ; Rats, Inbred BB
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  • 10
    Publication Date: 1992-10-19
    Description: The development of high brightness and short pulse width (〈 200 picoseconds) x-ray lasers now offers biologists the possibility of high-resolution imaging of specimens in an aqueous environment without the blurring effects associated with natural motions and chemical erosion. As a step toward developing the capabilities of this type of x-ray microscopy, a tantalum x-ray laser at 44.83 angstrom wavelength was used together with an x-ray zone plate lens to image both unlabeled and selectively gold-labeled dried rat sperm nuclei. The observed images show approximately 500 angstrom features, illustrate the importance of x-ray microscopy in determining chemical composition, and provide information about the uniformity of sperm chromatin organization and the extent of sperm chromatin hydration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Da Silva, L B -- Trebes, J E -- Balhorn, R -- Mrowka, S -- Anderson, E -- Attwood, D T -- Barbee, T W Jr -- Brase, J -- Corzett, M -- Gray, J -- New York, N.Y. -- Science. 1992 Oct 9;258(5080):269-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1411525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Fractionation ; Cell Nucleus/*ultrastructure ; Chromatin/ultrastructure ; DNA/ultrastructure ; Epididymis/cytology ; Immunohistochemistry ; *Lasers ; Male ; Microscopy/*methods ; Rats ; Spermatozoa/*ultrastructure ; X-Rays
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