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  • Cells, Cultured  (106)
  • American Association for the Advancement of Science (AAAS)  (106)
  • American Association for the Advancement of Science
  • American Institute of Physics
  • Springer Nature
  • 1990-1994  (52)
  • 1980-1984  (54)
  • 1955-1959
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (106)
  • American Association for the Advancement of Science
  • American Institute of Physics
  • Springer Nature
Years
Year
  • 1
    Publication Date: 1991-04-05
    Description: The natriuretic peptides are hormones that can stimulate natriuretic, diuretic, and vasorelaxant activity in vivo, presumably through the activation of two known cell surface receptor guanylyl cyclases (ANPR-A and ANPR-B). Although atrial natriuretic peptide (ANP) and, to a lesser extent, brain natriuretic peptide (BNP) are efficient activators of the ANPR-A guanylyl cyclase, neither hormone can significantly stimulate ANPR-B. A member of this hormone family, C-type natriuretic peptide (CNP), potently and selectively activated the human ANPR-B guanylyl cyclase. CNP does not increase guanosine 3',5'-monophosphate accumulation in cells expressing human ANPR-A. The affinity of CNP for ANPR-B is 50- or 500-fold higher than ANP or BNP, respectively. This ligand-receptor pair may be involved in the regulation of fluid homeostasis by the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koller, K J -- Lowe, D G -- Bennett, G L -- Minamino, N -- Kangawa, K -- Matsuo, H -- Goeddel, D V -- New York, N.Y. -- Science. 1991 Apr 5;252(5002):120-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genentech, Inc., South San Francisco 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1672777" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atrial Natriuretic Factor/*physiology ; Cells, Cultured ; Cercopithecus aethiops ; Cloning, Molecular ; Dose-Response Relationship, Drug ; Guanylate Cyclase/metabolism ; Humans ; Natriuretic Peptide, Brain ; Natriuretic Peptide, C-Type ; Nerve Tissue Proteins/*pharmacology ; Receptors, Atrial Natriuretic Factor ; Receptors, Cell Surface/*physiology ; Recombinant Proteins ; Signal Transduction
    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: 1991-09-23
    Description: The Rel-associated protein pp40 is functionally related to I kappa B, an inhibitor of the transcription factor NF-kappa B. Purified pp40 inhibits the DNA binding activity of the NF-kappa B protein complex (p50:p65 heterodimers), p50:c-Rel heteromers, and c-Rel homodimers. The sequence of the complementary DNA encoding pp40 revealed similarity to the gene encoding MAD-3, a protein with mammalian I kappa B-like activity. Protein sequencing of I kappa B purified from rabbit lung confirmed that MAD-3 encodes a protein similar to I kappa B. The sequence similarity between MAD-3 and pp40 includes a casein kinase II and consensus tyrosine phosphorylation site, as well as five repeats of a sequence found in the human erythrocyte protein ankyrin. These results suggest that rel-related transcription factors, which are capable of cytosolic to nuclear translocation, may be held in the cytosol by interaction with related cytoplasmic anchor molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, N -- Ghosh, S -- Simmons, D L -- Tempst, P -- Liou, H C -- Baltimore, D -- Bose, H R Jr -- CA09583/CA/NCI NIH HHS/ -- CA2616/CA/NCI NIH HHS/ -- CA33192/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Sep 13;253(5025):1268-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of Texas, Austin 78712.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1891714" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cells, Cultured ; Chick Embryo ; Cloning, Molecular ; DNA Probes ; Molecular Sequence Data ; NF-kappa B/*antagonists & inhibitors ; Oligonucleotide Probes ; Oncogene Proteins v-rel ; Open Reading Frames ; Phosphoproteins/*genetics/metabolism ; Protein-Tyrosine Kinases/antagonists & inhibitors ; RNA, Messenger/genetics ; Retroviridae Proteins, Oncogenic/*antagonists & inhibitors ; Sequence Homology, Nucleic Acid ; Transcription Factors/*antagonists & inhibitors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1992-08-07
    Description: The zeta subunit of the T cell antigen receptor (TCR) exists primarily as a disulfide-linked homodimer. This receptor subunit is important in TCR-mediated signal transduction and is a substrate for a TCR-activated protein tyrosine kinase. The zeta chain was found to undergo ubiquitination in response to receptor engagement. This posttranslational modification occurred in normal T cells and tumor lines. Both nonphosphorylated and phosphorylated zeta molecules were modified, and at least one other TCR subunit, CD3 delta, was also ubiquitinated after activation of the receptor. These findings suggest an expanded role for ubiquitination in transmembrane receptor function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cenciarelli, C -- Hou, D -- Hsu, K C -- Rellahan, B L -- Wiest, D L -- Smith, H T -- Fried, V A -- Weissman, A M -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):795-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1323144" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD3 ; Antigens, Differentiation, T-Lymphocyte/immunology/metabolism ; Cells, Cultured ; Hybridomas/immunology ; Lymphocyte Activation/*physiology ; Macromolecular Substances ; Mice ; Mice, Inbred C57BL ; Molecular Weight ; *Protein Processing, Post-Translational ; Receptors, Antigen, T-Cell/immunology/isolation & purification/*metabolism ; Spleen/immunology ; T-Lymphocytes/*immunology ; Ubiquitins/isolation & purification/*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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  • 4
    Publication Date: 1993-05-21
    Description: A potent neurotrophic factor that enhances survival of midbrain dopaminergic neurons was purified and cloned. Glial cell line-derived neurotrophic factor (GDNF) is a glycosylated, disulfide-bonded homodimer that is a distantly related member of the transforming growth factor-beta superfamily. In embryonic midbrain cultures, recombinant human GDNF promoted the survival and morphological differentiation of dopaminergic neurons and increased their high-affinity dopamine uptake. These effects were relatively specific; GDNF did not increase total neuron or astrocyte numbers nor did it increase transmitter uptake by gamma-aminobutyric-containing and serotonergic neurons. GDNF may have utility in the treatment of Parkinson's disease, which is marked by progressive degeneration of midbrain dopaminergic neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Doherty, D H -- Lile, J D -- Bektesh, S -- Collins, F -- New York, N.Y. -- Science. 1993 May 21;260(5111):1130-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8493557" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Astrocytes/cytology/drug effects ; Base Sequence ; Cell Differentiation/drug effects ; Cell Line ; Cell Survival/drug effects ; Cells, Cultured ; Cloning, Molecular ; Dopamine/*biosynthesis ; Glial Cell Line-Derived Neurotrophic Factor ; Humans ; Mesencephalon/cytology/*drug effects/metabolism ; Molecular Sequence Data ; Molecular Weight ; *Nerve Growth Factors ; Nerve Tissue Proteins/chemistry/genetics/isolation & purification/*pharmacology ; Neuroglia/*metabolism ; Neurons/cytology/*drug effects/metabolism ; Parkinson Disease/drug therapy ; Rats
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1993-06-04
    Description: Glutamate antagonists protect neurons from hypoxic injury both in vivo and in vitro, but in vitro studies have not been done under the acidic conditions typical of hypoxia-ischemia in vivo. Consistent with glutamate receptor antagonism, extracellular acidity reduced neuronal death in murine cortical cultures that were deprived of oxygen and glucose. Under these acid conditions, N-methyl-D-aspartate and alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate-kainate antagonists further reduced neuronal death, such that some neurons tolerated prolonged oxygen and glucose deprivation almost as well as did astrocytes. Neuroprotection induced by this combination exceeded that induced by glutamate antagonists alone, suggesting that extracellular acidity has beneficial effects beyond the attenuation of ionotropic glutamate receptor activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaku, D A -- Giffard, R G -- Choi, D W -- NS 01425/NS/NINDS NIH HHS/ -- NS 26907/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1993 Jun 4;260(5113):1516-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology and Neurological Sciences, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8389056" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Death/drug effects ; Cell Hypoxia/physiology ; Cells, Cultured ; Cerebral Cortex/cytology ; *Excitatory Amino Acid Antagonists ; Extracellular Space/*metabolism ; Glucose/deficiency ; *Hydrogen-Ion Concentration ; L-Lactate Dehydrogenase/metabolism ; Mice ; Nerve Degeneration/drug effects ; Neurons/*drug effects/enzymology ; Receptors, AMPA ; Receptors, Kainic Acid ; Receptors, N-Methyl-D-Aspartate/antagonists & inhibitors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1993-06-11
    Description: Elevated blood concentrations of lipoprotein(a) [Lp(a)] and its constituent, apolipoprotein(a) [apo(a)], constitute a major risk factor for atherosclerosis, but their physiological activities remain obscure. Lp(a) and purified apo(a) stimulated the growth of human smooth muscle cells in culture. This effect resulted from inhibition of plasminogen activation, and consequently the activation by plasmin of latent transforming growth factor-beta, which is an inhibitor of smooth muscle cell growth. Because smooth muscle proliferation is one of the hallmarks of atherosclerotic lesions, these results point to a plausible mechanism for the atherogenic activity of Lp(a).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grainger, D J -- Kirschenlohr, H L -- Metcalfe, J C -- Weissberg, P L -- Wade, D P -- Lawn, R M -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1993 Jun 11;260(5114):1655-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Cambridge, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8503012" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoproteins/physiology ; Apoprotein(a) ; Cell Division/drug effects/physiology ; Cells, Cultured ; Fibrinolysin/physiology ; Humans ; Lipoprotein(a)/*physiology ; Muscle, Smooth, Vascular/*cytology/metabolism ; Plasminogen Activators/metabolism ; Rats ; Tamoxifen/pharmacology ; Transforming Growth Factor beta/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1994-08-05
    Description: Retinotopic map development in nonmammalian vertebrates appears to be controlled by molecules that guide or restrict retinal axons to correct locations in their targets. However, the retinotopic map in the superior colliculus (SC) of the rat is developed instead by a topographic bias in collateral branching and arborization. Temporal retinal axons extending across alternating membranes from the topographically correct rostral SC or the incorrect caudal SC of embryonic rats preferentially branch on rostral membranes. Branching preference is due to an inhibitory phosphatidylinositol-linked molecule in the caudal SC. Thus, position-encoding membrane-bound molecules may establish retinotopic maps in mammals by regulating axon branching, not by directing axon growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roskies, A L -- O'Leary, D D -- NEI RO1 EY07025/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1994 Aug 5;265(5173):799-803.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Neurobiology Laboratory, Salk Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8047886" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Carbocyanines ; Cells, Cultured ; Embryonic and Fetal Development/physiology ; Fluorescent Dyes ; Phosphatidylinositol Diacylglycerol-Lyase ; Phosphoric Diester Hydrolases ; Rats ; Rats, Sprague-Dawley ; Retinal Ganglion Cells/*physiology ; Superior Colliculi/embryology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 1993-10-08
    Description: Interferons, which induce several intracellular antiviral proteins, also induce an extracellular soluble protein that inhibits vesicular stomatitis virus (VSV) infection. This 28-kilodalton soluble protein was purified to homogeneity and identified by protein sequencing as the ligand-binding domain of the human 160-kilodalton low density lipoprotein receptor (LDLR). The existence of an antiviral soluble LDLR was confirmed by immunoaffinity chromatography with monoclonal antibody to LDLR. This soluble receptor mediates most of the interferon-triggered antiviral activity against VSV, apparently by interfering with virus assembly or budding, and not by inhibiting virus attachment to cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischer, D G -- Tal, N -- Novick, D -- Barak, S -- Rubinstein, M -- New York, N.Y. -- Science. 1993 Oct 8;262(5131):250-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Virology, Weizmann Institute of Science, Rehovot, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211145" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antiviral Agents/*biosynthesis/chemistry/isolation & purification ; Cell Line ; Cells, Cultured ; Chromatography, Affinity ; Culture Media, Serum-Free ; Cytopathogenic Effect, Viral ; HeLa Cells ; Humans ; Interferon-beta/pharmacology ; Interferon-gamma/*pharmacology ; Molecular Sequence Data ; Molecular Weight ; Receptors, LDL/*biosynthesis/chemistry/isolation & purification ; Solubility ; Vesicular stomatitis Indiana virus/growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 1993-04-09
    Description: Calcium ions (Ca2+) act as an intracellular second messenger and can enter neurons through various ion channels. Influx of Ca2+ through distinct types of Ca2+ channels may differentially activate biochemical processes. N-Methyl-D-aspartate (NMDA) receptors and L-type Ca2+ channels, two major sites of Ca2+ entry into hippocampal neurons, were found to transmit signals to the nucleus and regulated gene transcription through two distinct Ca2+ signaling pathways. Activation of the multifunctional Ca(2+)-calmodulin-dependent protein kinase (CaM kinase) was evoked by stimulation of either NMDA receptors or L-type Ca2+ channels; however, activation of CaM kinase appeared to be critical only for propagating the L-type Ca2+ channel signal to the nucleus. Also, the NMDA receptor and L-type Ca2+ channel pathways activated transcription by means of different cis-acting regulatory elements in the c-fos promoter. These results indicate that Ca2+, depending on its mode of entry into neurons, can activate two distinct signaling pathways. Differential signal processing may provide a mechanism by which Ca2+ controls diverse cellular functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bading, H -- Ginty, D D -- Greenberg, M E -- 2F32 NS 08764/NS/NINDS NIH HHS/ -- NS28829/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1993 Apr 9;260(5105):181-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8097060" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Calcium Channels/metabolism ; Calcium-Calmodulin-Dependent Protein Kinases ; Cells, Cultured ; DNA-Binding Proteins/genetics ; *Gene Expression Regulation ; Genes, fos ; Glutamates/pharmacology ; Glutamic Acid ; Hippocampus/*metabolism ; Neurons/*metabolism ; Nuclear Proteins/genetics ; Protein Kinases/metabolism ; Rats ; Receptors, N-Methyl-D-Aspartate/metabolism ; Regulatory Sequences, Nucleic Acid ; Second Messenger Systems ; Serum Response Factor ; *Signal Transduction ; Transcription Factors/genetics ; Transfection
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  • 10
    Publication Date: 1980-11-07
    Description: An analog of luteinizing hormone-releasing hormone containing a gamma-lactam as a conformational constraint has been prepared with the use of a novel cyclization of a methionine sulfonium salt. The analog is more active as a luteinizing hormone-releasing hormone agonist that the parent hormone, and provides evidence for a bioactive conformation containing a beta-turn.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freidinger, R M -- Veber, D F -- Perlow, D S -- Brooks, J R -- Saperstein, R -- New York, N.Y. -- Science. 1980 Nov 7;210(4470):656-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7001627" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Assay ; Cells, Cultured ; Female ; *Gonadotropin-Releasing Hormone/analogs & derivatives ; Hydrogen Bonding ; Lactams ; Protein Conformation ; Rats ; Structure-Activity Relationship
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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