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  • Gene Expression Regulation  (40)
  • American Association for the Advancement of Science (AAAS)  (40)
  • Annual Reviews
  • 1985-1989  (40)
  • 1980-1984
  • 1960-1964
  • 1989  (40)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (40)
  • Annual Reviews
Years
  • 1985-1989  (40)
  • 1980-1984
  • 1960-1964
Year
  • 1
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    Isolation and expression of functional high-affinity Fc receptor complementary DNAs (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Human and murine mononuclear phagocytes express a high-affinity receptor for immunoglobulin G that plays a central role in macrophage antibody-dependent cellular cytotoxicity and clearance of immune complexes. The receptor (FcRI) may also be involved in CD4-independent infection of human macrophages by human immunodeficiency virus. This report describes the isolation of cDNA clones encoding the human FcRI by a ligand-mediated selection technique. Expression of the cDNAs in COS cells gave rise to immunoglobulin G binding of the expected affinity and subtype specificity. RNA blot analysis revealed expression of a 1.7-kilobase transcript in macrophages and in cells of the promonocytic cell line U937 induced with interferon-gamma. The extracellular region of FcRI consists of three immunoglobulin-like domains, two of which share homology with low-affinity receptor domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allen, J M -- Seed, B -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):378-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911749" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Cercopithecus aethiops ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; Humans ; Molecular Sequence Data ; Molecular Weight ; Polymorphism, Genetic ; Receptors, Fc/*genetics ; 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
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    AP1/jun function is differentially induced in promotion-sensitive and resistant JB6 cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-05
    Description: Tumor promoters may bring about events that lead to neoplastic transformation by inducing specific promotion-relevant effector genes. Functional activation of the transacting transcription factor AP-1 by the phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) may play an essential role in this process. Clonal genetic variants of mouse epidermal JB6 cells that are genetically susceptible (P+) or resistant (P-) to promotion of transformation by TPA were transfected with 3XTRE-CAT, a construct that has AP-1 cis-enhancer sequences attached to a reporter gene encoding chloramphenicol acetyltransferase (CAT). Transfected JB6 P+, but not P- variants, showed TPA-inducible CAT synthesis. Epidermal growth factor, another transformation promoter in JB6 cells, also caused P+ specific induction of CAT gene expression. These results demonstrate an association between induced AP-1 function and sensitivity to promotion of neoplastic transformation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, L R -- Colburn, N H -- New York, N.Y. -- Science. 1989 May 5;244(4904):566-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins University, Department of Biology, Baltimore, MD 21218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2541502" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Cell Transformation, Neoplastic ; Chloramphenicol O-Acetyltransferase/genetics ; Cloning, Molecular ; DNA-Binding Proteins/genetics/*physiology ; Epidermal Growth Factor/pharmacology ; Epidermis ; Gene Expression Regulation ; Genetic Variation ; Kinetics ; Mice ; Nucleic Acid Hybridization ; Plasmids ; Promoter Regions, Genetic ; Proto-Oncogene Proteins ; Proto-Oncogene Proteins c-jun ; Simplexvirus/genetics ; Tetradecanoylphorbol Acetate/*pharmacology ; Transcription Factors/genetics/*physiology ; Transfection
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  • 3
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    Expression of functional nerve growth factor receptors after gene transfer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Nerve growth factor (NGF) interacts with both high affinity (Kd = 10(-10)-10(-11)M) and low affinity (Kd = 10(-8)-10(-9)M) receptors; the binding of NGF to the high affinity receptor is correlated with biological actions of NGF. To determine whether a single NGF binding protein is common to both forms of the receptor, a full-length receptor cDNA was introduced in the NR18 cell line, an NGF receptor-deficient variant of the PC12 pheochromocytoma cell line. The transformant displayed (i) both high and low affinity receptors detectable by receptor binding; (ii) an affinity cross-linking pattern with 125I-labeled NGF similar to that of the parent PC12 cell line; and (iii) biological responsiveness to NGF as assayed by induction of c-fos transcription. These findings support the hypothesis that a single binding protein is common to both forms of the NGF receptor and suggest that an additional protein is required to produce the high affinity form of the NGF receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hempstead, B L -- Schleifer, L S -- Chao, M V -- HD23315/HD/NICHD NIH HHS/ -- NS-21072/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):373-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology/Oncology, Cornell University Medical College, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536190" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blotting, Northern ; Cloning, Molecular ; Gene Expression Regulation ; Nerve Growth Factors/pharmacology ; Pheochromocytoma ; Proto-Oncogene Proteins/genetics ; Proto-Oncogene Proteins c-fos ; Rats ; Receptors, Cell Surface/*genetics/metabolism ; Receptors, Nerve Growth Factor ; Transformation, Genetic ; Tumor Cells, Cultured
    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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  • 4
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    Bacterial blight of soybean: regulation of a pathogen gene determining host cultivar specificity (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-22
    Description: Soybean cultivars resistant to Pseudomonas syringae pathovar glycinea (Psg), the causal agent of bacterial blight, exhibit a hypersensitive (necrosis) reaction (HR) to infection. Psg strains carrying the avrB gene elicit the HR in soybean cultivars carrying the resistance gene Rpg1. Psg expressing avrB at a high level and capable of eliciting the HR in the absence of de novo bacterial RNA synthesis have been obtained in in vitro culture. Nutritional signals and regions within the Psg hrp gene cluster, an approximately 20-kilobase genomic region also necessary for pathogenicity, control avrB transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huynh, T V -- Dahlbeck, D -- Staskawicz, B J -- New York, N.Y. -- Science. 1989 Sep 22;245(4924):1374-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Pathology, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781284" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA Mutational Analysis ; Gene Expression Regulation ; Genes, Bacterial ; *Plant Diseases ; Promoter Regions, Genetic ; Pseudomonas/*genetics/growth & development/pathogenicity ; Regulatory Sequences, Nucleic Acid ; Restriction Mapping ; Soybeans/*genetics/microbiology ; 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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  • 5
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    Golf: an olfactory neuron specific-G protein involved in odorant signal transduction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-19
    Description: Biochemical and electrophysiological studies suggest that odorants induce responses in olfactory sensory neurons via an adenylate cyclase cascade mediated by a G protein. An olfactory-specific guanosine triphosphate (GTP)-binding protein alpha subunit has now been characterized and evidence is presented suggesting that this G protein, termed Golf, mediates olfaction. Messenger RNA that encodes Golf alpha is expressed in olfactory neuroephithelium but not in six other tissues tested. Moreover, within the olfactory epithelium, Golf alpha appears to be expressed only by the sensory neurons. Specific antisera were used to localize Golf alpha protein to the sensory apparatus of the receptor neurons. Golf alpha shares extensive amino acid identity (88 percent) with the stimulatory G protein, Gs alpha. The expression of Golf alpha in S49 cyc- kin- cells, a line deficient in endogenous stimulatory G proteins, demonstrates its capacity to stimulate adenylate cyclase in a heterologous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, D T -- Reed, R R -- New York, N.Y. -- Science. 1989 May 19;244(4906):790-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetic Johns Hopkins School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2499043" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; GTP-Binding Proteins/analysis/genetics/*physiology ; Gene Expression Regulation ; Immunoblotting ; Immunohistochemistry ; Molecular Sequence Data ; Neurons, Afferent/analysis/*physiology ; *Odors ; Olfactory Bulb/physiology ; Olfactory Mucosa/analysis/*innervation ; RNA, Messenger/analysis/genetics ; Rats ; Sequence Homology, Nucleic Acid ; *Signal Transduction ; Tissue Distribution ; Transfection
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  • 6
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    Switch protein alters specificity of RNA polymerase containing a compartment-specific sigma factor (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-27
    Description: During sporulation in Bacillus subtilis, expression of developmental genes spoIVCB and cotD is induced in the mother cell compartment of the sporangium at morphological stages IV and V, respectively. A 27-kilodalton RNA polymerase sigma factor called sigma K (or sigma 27) has been found that causes weak transcription of spoIVCB and strong transcription of cotD. A 14-kD protein was also discovered that changes the specificity of sigma K-containing RNA polymerase, greatly stimulating spoIVCB transcription and markedly repressing cotD transcription. Both sigma K and the 14-kD protein are products of genes known to be required for expression of specific genes in the mother cell. Thus, sigma K directs gene expression in the mother cell and it is proposed that inactivation or sequestering of the 14-kD protein switches the temporal pattern of gene expression during the transition from stages IV to V of development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kroos, L -- Kunkel, B -- Losick, R -- GM18568/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 27;243(4890):526-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Developmental Biology, Harvard University, Cambridge, Massachusetts 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2492118" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacillus subtilis/*genetics/physiology ; Cloning, Molecular ; DNA-Directed RNA Polymerases/*genetics/isolation & purification ; Electrophoresis, Polyacrylamide Gel ; Gene Expression Regulation ; Molecular Sequence Data ; Promoter Regions, Genetic ; Sigma Factor/*genetics/isolation & purification ; Spores, Bacterial/genetics ; Transcription Factors/*genetics ; Transcription, Genetic
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  • 7
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    Are tissues a patch quilt of ectopic gene expression? (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Linsk, R -- Gottesman, M -- Pernis, B -- New York, N.Y. -- Science. 1989 Oct 13;246(4927):261.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2799388" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Gene Expression Regulation ; Genes, MHC Class I/physiology ; Immune Tolerance/*genetics ; Organ Specificity/*genetics ; Thymus Gland/physiology
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  • 8
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    Regulation of lymphokine messenger RNA stability by a surface-mediated T cell activation pathway (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-21
    Description: Quiescent T cells can be induced to express many genes by mitogen or antigen stimulation. The messenger RNAs of some of these genes undergo relatively rapid degradation compared to messenger RNAs from constitutively expressed genes. A T cell activation pathway that specifically regulates the stability of messenger RNAs for the lymphokines interleukin-2, interferon-gamma, tumor necrosis factor-alpha, and granulocyte-macrophage colony-stimulating factor is induced by stimulation of the CD28 surface molecule. This pathway does not directly affect the steady-state messenger RNA level, transcription, or messenger RNA half-life of other T cell activation genes, including c-myc, c-fos, IL-2 receptor, and the 4F2HC surface antigen. These data show that stimuli received at the cell surface can alter gene expression by inducing specific changes in messenger RNA degradation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lindstein, T -- June, C H -- Ledbetter, J A -- Stella, G -- Thompson, C B -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):339-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of Michigan, Ann Arbor 48109.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2540528" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, CD28 ; Antigens, CD3 ; Antigens, Differentiation, T-Lymphocyte/immunology ; Colony-Stimulating Factors/genetics ; Drug Stability ; Gene Expression Regulation ; Granulocyte-Macrophage Colony-Stimulating Factor ; Growth Substances/genetics ; Interferon-gamma/genetics ; Interleukin-2/genetics ; *Lymphocyte Activation ; Lymphokines/*genetics ; RNA, Messenger/genetics/*metabolism ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/*immunology ; Transcription, Genetic ; Tumor Necrosis Factor-alpha/genetics
    Print ISSN: 0036-8075
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  • 9
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    Human KGF is FGF-related with properties of a paracrine effector of epithelial cell growth (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-18
    Description: Keratinocyte growth factor (KGF) is a human mitogen that is specific for epithelial cells. The complementary DNA sequence of KGF demonstrates that it is a member of the fibroblast growth factor family. The KGF transcript was present in stromal cells derived from epithelial tissues. By comparison with the expression of other epithelial cell mitogens, only KGF, among known human growth factors, has the properties of a stromal mediator of epithelial cell proliferation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finch, P W -- Rubin, J S -- Miki, T -- Ron, D -- Aaronson, S A -- New York, N.Y. -- Science. 1989 Aug 18;245(4919):752-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2475908" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Division ; Codon ; DNA/genetics/isolation & purification ; Epithelial Cells ; Epithelium/analysis/metabolism ; Fibroblast Growth Factor 10 ; Fibroblast Growth Factor 7 ; *Fibroblast Growth Factors/genetics ; Fibroblasts/metabolism ; Gene Expression Regulation ; Growth Substances/*genetics/physiology ; Humans ; Mesoderm/metabolism ; Mice ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Oligonucleotide Probes ; RNA/analysis ; Sequence Homology, Nucleic Acid ; Skin/analysis ; Tissue Distribution ; Transcription, Genetic
    Print ISSN: 0036-8075
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  • 10
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    Gene signals relapse of breast, ovarian cancers (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 May 12;244(4905):654-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2566202" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*genetics/pathology ; Female ; *Gene Amplification ; Gene Expression Regulation ; Humans ; Lymph Nodes/pathology ; *Neoplasm Recurrence, Local ; Ovarian Neoplasms/*genetics ; Prognosis ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; Receptor, ErbB-2
    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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  • 11
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    Brain protein yields clues to Alzheimer's disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1664-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2494699" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*etiology/genetics/pathology ; *Amyloid/genetics/physiology ; Amyloid beta-Peptides ; Amyloid beta-Protein Precursor ; Gene Expression Regulation ; Humans ; Interleukin-1/physiology ; Nerve Growth Factors/physiology ; Neurons/pathology ; Protease Inhibitors ; *Protein Precursors/genetics/physiology
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  • 12
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    Transformation and plasmacytoid differentiation of EBV-infected human B lymphoblasts by ras oncogenes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-03
    Description: The biological effects of ras oncogene activation in B cells were studied by using amphotropic retroviral vectors to introduce H- or N-ras oncogenes into human B lymphoblasts immortalized by Epstein-Barr virus. Expression of both H- and N-ras oncogenes led to malignant transformation of these cells, as shown by clonogenicity in semisolid media and tumorigenicity in immunodeficient mice. In addition, terminal differentiation into plasma cells was detectable as specific changes in morphology, immunoglobulin secretion, and cell surface antigen expression. This combined effect, promoting growth and differentiation in human lymphoblasts, represents a novel biological action of ras oncogenes and has implications for the pathogenesis of terminally differentiated B-lymphoid malignancies such as multiple myeloma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seremetis, S -- Inghirami, G -- Ferrero, D -- Newcomb, E W -- Knowles, D M -- Dotto, G P -- Dalla-Favera, R -- CA-37165/CA/NCI NIH HHS/ -- CA49236/CA/NCI NIH HHS/ -- EY 06337/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 3;243(4891):660-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, New York University, NY 10016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/metabolism/*pathology ; Cell Differentiation ; *Cell Transformation, Neoplastic ; *Cell Transformation, Viral ; DNA Replication ; Flow Cytometry ; Fluorescent Antibody Technique ; Gene Expression Regulation ; *Genes, ras ; *Herpesvirus 4, Human ; Humans ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Neoplasms, Experimental/etiology ; Phenotype ; Plasma Cells/*pathology
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  • 13
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    Parasitic protozoa and helminths: biological and immunological challenges (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Parasitic protozoans and helminths pose considerable medical as well as scientific challenges. Investigations of the complex and very different life cycles of these organisms, their adaptation to the obligate parasitic mode of life, and their ability to face the hostile host environment have resulted in many exciting discoveries. Invasion of host erythrocytes by plasmodial sporozoites and intact skin by schistosomal cercariae are outlined as examples of the elaborate mechanisms of parasitism. Isolation and characterization of single protective antigens or subunit vaccines from these two organisms are examined as models for vaccine development. Finally, developments in exploring gene regulation in protozoans and free and parasitic nematodes are briefly outlined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mahmoud, A A -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1015-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2686024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Eukaryota/genetics/pathogenicity/*physiology ; Gene Expression Regulation ; Helminthiasis/*immunology ; Helminths/genetics/pathogenicity/*physiology ; Humans ; Molecular Sequence Data ; Protozoan Infections/*immunology
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  • 14
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    Metastatic hibernomas in transgenic mice expressing an alpha-amylase-SV40 T antigen hybrid gene (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: Mice transgenic for a hybrid gene containing the liver promoter of the mouse amylase gene (Amy-1a) fused to the SV40 tumor antigen coding region unexpected developed malignant brown adipose tissue tumors (malignant hibernomas). Expression of the alpha-amylase gene had previously been thought to be confined to the liver parotid, and pancreas; however, analysis of white and brown adipose tissue from nontransgenic mice revealed expression of the endogenous Amy-1a gene in these tissues. Gene constructs driven by the Amy-1a liver promoter thus provide a means of targeting gene expression to the adipocyte cell lineage in transgenic mice. Moreover the high frequency of metastases in the liver, lungs, spleen, heart, and adrenals of these mice provides an experimental system in which to study the development of disseminated malignancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, N -- Crooke, R -- Hwang, L H -- Schibler, U -- Knowles, B B -- Solter, D -- CA-10815/CA/NCI NIH HHS/ -- CA-18470/CA/NCI NIH HHS/ -- CA-21124/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):460-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute, Philadelphia, PA 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2785714" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism/pathology ; *Adipose Tissue, Brown/metabolism/pathology ; Animals ; Antigens, Polyomavirus Transforming/*genetics ; Cloning, Molecular ; Gene Expression Regulation ; Liver/metabolism ; Mice ; Mice, Transgenic ; Neoplasm Metastasis ; Neoplasms, Experimental/*genetics/pathology ; Nucleic Acid Hybridization ; Promoter Regions, Genetic ; RNA, Messenger/metabolism ; Tissue Distribution ; Transcription, Genetic ; alpha-Amylases/*genetics
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  • 15
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    Interferon-alpha but not AZT suppresses HIV expression in chronically infected cell lines (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-05
    Description: Promonocytic (U1) and T lymphocytic (ACH-2) cell lines chronically infected with human immunodeficiency virus type 1 (HIV-1) constitutively express low levels of virus, but expression can be induced by phorbol esters and cytokines. Whereas ACH-2 cells produce infectious virions, U1 cells produce defective, noninfectious particles. Although 3'-azido-3'-deoxythimidine (AZT) prevented acute HIV infection of susceptible cells, it did not prevent the induction of HIV expression in the infected cell lines. In contrast, interferon alpha (IFN-alpha) inhibited the release of reverse transcriptase and viral antigens into the culture supernatant after phorbol ester stimulation of both cell lines. Further, IFN-alpha suppressed the production or release (or both) of whole HIV virions, but had no effect on the amount of cell-associated viral proteins. Also, after phorbol ester stimulation of ACH-2 cells, IFN-alpha reduced the number of infectious viral particles secreted into the culture supernatant, but had no effect on the infectivity of cell-associated virus. These findings lend support to the combined use of antiviral agents that have action at both the early (AZT) and the late (IFN-alpha) stages of HIV replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poli, G -- Orenstein, J M -- Kinter, A -- Folks, T M -- Fauci, A S -- New York, N.Y. -- Science. 1989 May 5;244(4904):575-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2470148" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/therapy ; Cell Line ; Cell Membrane/microbiology ; Drug Therapy, Combination ; Gene Expression Regulation ; HIV-1/drug effects/*physiology/ultrastructure ; Immunoblotting ; Interferon Type I/administration & dosage/*pharmacology ; Microscopy, Electron ; Monocytes/microbiology ; RNA-Directed DNA Polymerase/metabolism ; Recombinant Proteins ; T-Lymphocytes/microbiology ; Tetradecanoylphorbol Acetate/pharmacology ; Transcription, Genetic ; Vacuoles/microbiology ; Virion/drug effects/physiology/ultrastructure ; Virus Replication/*drug effects ; Zidovudine/administration & dosage/*pharmacology
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  • 16
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    Transfer of a protein encoded by a single nucleus to nearby nuclei in multinucleated myotubes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-02
    Description: Specialized regions of muscle fibers may result from differential gene expression within a single fiber. In order to investigate the range of action of individual nuclei in multinucleated myotubes, C2 myoblasts were transfected to obtain stable cell lines that express a reporter protein that is targeted to the nucleus. Hybrid myotubes were then formed containing one or a few transfected nuclei as well as a large number of nuclei from the parental strain. In order to determine how far the products of a single nucleus extend, transfected nuclei were labeled with [3H]thymidine before fusion and the myotubes were stained to identify the reporter protein. In such myotubes the fusion protein was not confined to its nucleus of origin, but was restricted to nearby nuclei.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ralston, E -- Hall, Z W -- NS 20107/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 2;244(4908):1066-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, School of Medicine, University of California, San Francisco 94143-0444.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2543074" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Nucleus/*metabolism ; Cloning, Molecular ; Cytoplasm/metabolism ; Enhancer Elements, Genetic ; Escherichia coli/genetics ; Fluorescent Antibody Technique ; Gene Expression Regulation ; Globins/genetics ; Mice ; Muscle Proteins/*genetics/metabolism ; Muscles/*ultrastructure ; Plasmids ; Promoter Regions, Genetic ; Receptors, Glucocorticoid/genetics ; Simian virus 40/genetics ; *Transfection ; beta-Galactosidase/genetics
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  • 17
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    Adipsin and complement factor D activity: an immune-related defect in obesity (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-23
    Description: Adipsin is a serine protease that is secreted by adipocytes into the bloodstream; it is deficient in several animal models of obesity, representing a striking example of defective gene expression in this disorder. Recombinant mouse adipsin was purified and its biochemical and enzymatic properties were studied in order to elucidate the function of this protein. Activated adipsin has little or no proteolytic activity toward most substrates but has the same activity as human complement factor D, cleaving complement factor B when it is complexed with activated complement component C3. Like authentic factor D, adipsin can activate the alternative pathway of complement, resulting in red blood cell lysis. Decreased (58 to 80 percent) complement factor D activity, relative to lean controls, was observed as a common feature of several experimental models of obesity, including the ob/ob, db/db, and monosodium glutamate (MSG)-injected mouse and the fa/fa rat. These results suggest that adipsin and the alternative pathway of complement may play an unexpected but important role in the regulation of systemic energy balance in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, B S -- Cook, K S -- Yaglom, J -- Groves, D L -- Volanakis, J E -- Damm, D -- White, T -- Spiegelman, B M -- DK31403/DK/NIDDK NIH HHS/ -- DK34605/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 23;244(4911):1483-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2734615" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Complement Activating Enzymes/*metabolism ; Complement Factor D/*metabolism ; Complement Pathway, Alternative ; Cricetinae ; DNA/genetics ; Gene Expression Regulation ; Humans ; Immunoblotting ; Mice ; Molecular Sequence Data ; Obesity/genetics/*immunology/metabolism ; RNA, Messenger/metabolism ; Recombinant Proteins ; Serine Endopeptidases/genetics/isolation & purification/*metabolism ; Substrate Specificity ; Transfection
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  • 18
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    Reciprocal effects of hyper- and hypoactivity mutations in the Drosophila pattern gene torso (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: In Drosophila, five "terminal" polarity genes must be active in females in order for them to produce embryos with normal anterior and posterior ends. Hypoactivity mutations in one such gene, torso, result in the loss of the most posterior domain of fushi tarazu expression and the terminal cuticular structures. In contrast, a torso hyperactivity mutation causes the loss of central fushi tarazu expression and central cuticular structures. Cytoplasmic leakage, transplantation, and temperature-shift experiments suggest that the latter effect is caused by abnormal persistence of the torso product in the central region of the embryo during early development. Thus, the amount and timing of torso activity is key to distinguishing the central and terminal regions of the embryo. Mutations in the tailless terminal gene act as dominant maternal suppressors of the hyperactive torso allele, indicating that the torso product acts through, or in concert with, the tailless product.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strecker, T R -- Halsell, S R -- Fisher, W W -- Lipshitz, H D -- GM07616/GM/NIGMS NIH HHS/ -- HD23099/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 24;243(4894 Pt 1):1062-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, California Institute of Technology, Pasadena 91125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2922596" target="_blank"〉PubMed〈/a〉
    Keywords: Abdomen ; Alleles ; Animals ; Cytoplasm/physiology ; Drosophila/anatomy & histology/embryology/*genetics ; Female ; Gene Expression Regulation ; Mutation ; Phenotype ; Suppression, Genetic ; Thorax
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  • 19
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    Developmental biology of T cell receptors (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-05-26
    Description: T cell receptors are the antigen-recognizing elements found on the effector cells of the immune system. Two isotypes have been discovered, TCR-gamma delta and TCR-alpha beta, which appear in that order during ontogeny. The maturation of prothymocytes that colonize the thymic rudiment at defined gestational stages occurs principally within the thymus, although some evidence for extrathymic maturation also exists. The maturation process includes the rearrangement and expression of the T cell receptor genes. Determination of these mechanisms, the lineages of the cells, and the subsequent thymic selection that results in self-tolerance is the central problem in developmental immunology and is important for the understanding of autoimmune diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strominger, J L -- New York, N.Y. -- Science. 1989 May 26;244(4907):943-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2658058" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Differentiation, T-Lymphocyte/analysis ; Gene Expression Regulation ; Humans ; Receptors, Antigen, T-Cell/genetics/immunology/*physiology ; T-Lymphocytes/*immunology ; Thymus Gland/embryology/*growth & development/immunology
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  • 20
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    Progress toward human gene therapy (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-06-16
    Description: Current therapies for most human genetic diseases are inadequate. In response to the need for effective treatments, modern molecular genetics is providing tools for an unprecedented new approach to disease treatment through an attack directly on mutant genes. Recent results with several target organs and gene transfer techniques have led to broad medical and scientific acceptance of the feasibility of this "gene therapy" concept for disorders of the bone marrow, liver, and central nervous system; some kinds of cancer; and deficiencies of circulating enzymes, hormones, and coagulation factors. The most well-developed models involve alteration of mutant target genes by gene transfer with recombinant pathogenic viruses in order to express new genetic information and to correct disease phenotypes--the conversion of the swords of pathology into the plowshares of therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedmann, T -- New York, N.Y. -- Science. 1989 Jun 16;244(4910):1275-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2660259" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/physiology ; Brain/physiology ; Ethics, Medical ; Gene Expression Regulation ; Genetic Diseases, Inborn ; Genetic Therapy/*methods/trends ; Genetic Vectors ; Humans ; Liver/physiology ; Neoplasms/genetics ; Risk Assessment ; Transfection
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  • 21
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    Interleukin-2 receptor beta chain gene: generation of three receptor forms by cloned human alpha and beta chain cDNA's (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-05
    Description: Interleukin-2 (IL-2) binds to two distinct receptor molecules, the IL-2 receptor alpha (IL-2R alpha, p55) chain and the newly identified IL-2 receptor beta (IL-2R beta, p70-75) chain. The cDNA encoding the human IL-2R beta chain has now been isolated. The overall primary structure of the IL-2R beta chain shows no apparent homology to other known receptors. Unlike the IL-2R alpha chain, the IL-2R beta chain has a large cytoplasmic region in which a functional domain (or domains) mediating an intracellular signal transduction pathway (or pathways) may be embodied. The cDNA-encoded beta chain binds and internalizes IL-2 when expressed on T lymphoid cells but not fibroblast cells. Furthermore, the cDNA gives rise to the generation of high-affinity IL-2 receptor when co-expressed with the IL-2R alpha chain cDNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatakeyama, M -- Tsudo, M -- Minamoto, S -- Kono, T -- Doi, T -- Miyata, T -- Miyasaka, M -- Taniguchi, T -- New York, N.Y. -- Science. 1989 May 5;244(4904):551-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2785715" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Cloning, Molecular ; Cross-Linking Reagents ; DNA/*genetics/isolation & purification ; Fibroblasts/metabolism ; Gene Expression Regulation ; Humans ; Interleukin-2/metabolism ; Leukemia ; Molecular Sequence Data ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Receptors, Interleukin-2/*genetics/metabolism ; Recombinant Proteins ; Sequence Homology, Nucleic Acid ; Signal Transduction ; Succinimides ; T-Lymphocytes/metabolism ; Transfection ; Tumor Cells, Cultured
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  • 22
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    Isolation of a novel receptor cDNA establishes the existence of two PDGF receptor genes (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: A genomic sequence and cloned complementary DNA has been identified for a novel receptor-like gene of the PDGF receptor/CSF1 receptor subfamily (platelet-derived growth factor receptor/colony-stimulating factor type 1 receptor). The gene recognized a 6.4-kilobase transcript that was coexpressed in normal human tissues with the 5.3-kilobase PDGF receptor messenger RNA. Introduction of complementary DNA of the novel gene into COS-1 cells led to expression of proteins that were specifically detected with antiserum directed against a predicted peptide. When the new gene was transfected into COS-1 cells, a characteristic pattern of binding of the PDGF isoforms was observed, which was different from the pattern observed with the known PDGF receptor. Tyrosine phosphorylation of the receptor in response to the PDGF isoforms was also different from the known receptor. The new PDGF receptor gene was localized to chromosome 4q11-4q12. The existence of genes encoding two PDGF receptors that interact in a distinct manner with three different PDGF isoforms likely confers considerable regulatory flexibility in the functional responses to PDGF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsui, T -- Heidaran, M -- Miki, T -- Popescu, N -- La Rochelle, W -- Kraus, M -- Pierce, J -- Aaronson, S -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):800-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cellular and Molecular Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2536956" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cells, Cultured ; *Chromosomes, Human, Pair 4 ; Cloning, Molecular ; DNA/genetics ; Gene Expression Regulation ; *Genes ; Humans ; Molecular Sequence Data ; Multigene Family ; Platelet-Derived Growth Factor/*physiology ; Protein-Tyrosine Kinases/genetics ; RNA, Messenger/genetics ; Receptors, Cell Surface/*genetics ; Receptors, Platelet-Derived Growth Factor ; Tissue Distribution
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  • 23
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    Transcriptional regulation in mammalian cells by sequence-specific DNA binding proteins (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-07-28
    Description: The cloning of genes encoding mammalian DNA binding transcription factors for RNA polymerase II has provided the opportunity to analyze the structure and function of these proteins. This review summarizes recent studies that define structural domains for DNA binding and transcriptional activation functions in sequence-specific transcription factors. The mechanisms by which these factors may activate transcriptional initiation and by which they may be regulated to achieve differential gene expression are also discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, P J -- Tjian, R -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):371-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biochemistry, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2667136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Cloning, Molecular ; DNA-Binding Proteins/*genetics/metabolism ; Gene Expression Regulation ; Molecular Sequence Data ; Protein Processing, Post-Translational ; RNA Polymerase II/*genetics/metabolism ; Repetitive Sequences, Nucleic Acid ; Transcription Factors/*genetics/metabolism ; *Transcription, Genetic
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  • 24
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    Interleukin-1 costimulatory activity on the interleukin-2 promoter via AP-1 (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-10-13
    Description: Interleukin-1 (IL-1) is a major regulator of inflammation and immunity. IL-1 induces T lymphocyte growth by acting as a second signal (together with antigen) in enhancing the production of interleukin-2 (IL-2). An IL-1-responsive element in the promoter region of the human IL-2 gene was similar to the binding site for the transcription factor AP-1. IL-1 enhanced expression of c-jun messenger RNA, whereas the antigenic signal enhanced messenger RNA expression of c-fos. Thus, the two components of the AP-1 factor are independently regulated and the AP-1 factor may serve as a nuclear mediator for the many actions of IL-1 on cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muegge, K -- Williams, T M -- Kant, J -- Karin, M -- Chiu, R -- Schmidt, A -- Siebenlist, U -- Young, H A -- Durum, S K -- 5-T32-CA-09140/CA/NCI NIH HHS/ -- AI-R01-23879/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Oct 13;246(4927):249-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunoregulation, Program Resources Inc., Frederick, MD 21701.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2799385" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chloramphenicol O-Acetyltransferase/genetics ; Gene Expression Regulation ; Humans ; Interleukin-1/*physiology ; Interleukin-2/*genetics ; Mice ; Promoter Regions, Genetic/genetics ; Proto-Oncogene Proteins c-jun/*genetics ; Tetradecanoylphorbol Acetate/pharmacology ; Transfection ; Tumor Cells, Cultured
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  • 25
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    Enhancement of bacteriophage T4 late transcription by components of the T4 DNA replication apparatus (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-09-01
    Description: The expression of the late genes in bacteriophage T4 development is closely connected to viral DNA replication. Three T4-encoded DNA polymerase accessory proteins are shown to stimulate transcription at T4 late promoters in an adenosine triphosphate (ATP) hydrolysis-requiring process. The properties of the activation resemble those found for enhancers of eukaryotic transcription. However, the nature of the enhancer of T4 late transcription is novel in that it is a structure--a break in the nontranscribed DNA stand--to which the three replication proteins bind, rather than a sequence. Since the three DNA polymerase accessory proteins are carried on the moving replication fork as part of the replisome, we postulate that viral DNA replication forks act, in vivo, as the mobile enhancers of T4 late gene transcription. Whereas Escherichia coli RNA polymerase bearing the T4 gene 55 protein can selectively recognize T4 late promoters, it is only capable of responding to the transcription-enhancing activity of the three replication proteins on acquiring an additional T4-specific modification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herendeen, D R -- Kassavetis, G A -- Barry, J -- Alberts, B M -- Geiduschek, E P -- New York, N.Y. -- Science. 1989 Sep 1;245(4921):952-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Center for Molecular Genetics, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2672335" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA Replication ; DNA, Viral/*genetics ; DNA-Directed DNA Polymerase/metabolism ; DNA-Directed RNA Polymerases/metabolism ; *Enhancer Elements, Genetic ; Escherichia coli/*genetics ; Gene Expression Regulation ; *Genes, Viral ; Plasmids ; Promoter Regions, Genetic ; T-Phages/*genetics ; *Transcription, Genetic
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  • 26
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    Sindbis virus: an efficient, broad host range vector for gene expression in animal cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: Sindbis virus, an enveloped virus with a single-stranded RNA genome, was engineered to express a bacterial protein, chloramphenicol acetyltransferase (CAT), in cultured insect, avian, and mammalian cells. The vectors were self-replicating and gene expression was efficient and rapid; up to 10(8) CAT polypeptides were produced per infected cell in 16 to 20 hours. CAT expression could be made temperature-sensitive by means of a derivative that incorporated a temperature-sensitive mutation in viral RNA synthesis. Vector genomic RNAs were packaged into infectious particles when Sindbis helper virus was used to supply virion structural proteins. The vector RNAs were stable to at least seven cycles of infection. The expression of CAT increased about 10(3)-fold, despite a 10(15)-fold dilution during the passaging. Sindbis virus vectors should prove useful for expressing large quantities of gene products in a variety of animal cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xiong, C -- Levis, R -- Shen, P -- Schlesinger, S -- Rice, C M -- Huang, H V -- AG05681/AG/NIA NIH HHS/ -- AI11377/AI/NIAID NIH HHS/ -- AI24134/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1188-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, 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/2922607" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes ; Animals ; Bacteria/enzymology ; Cells, Cultured ; Chick Embryo ; Chloramphenicol O-Acetyltransferase/*genetics ; Codon ; Cricetinae ; DNA/genetics ; Drosophila ; Gene Amplification ; Gene Expression Regulation ; *Genetic Engineering ; *Genetic Vectors ; Humans ; Quail ; RNA, Viral/*genetics ; Sindbis Virus/*genetics ; Transcription, Genetic ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 27
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    Studies of the HER-2/neu proto-oncogene in human breast and ovarian cancer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-12
    Description: Carcinoma of the breast and ovary account for one-third of all cancers occurring in women and together are responsible for approximately one-quarter of cancer-related deaths in females. The HER-2/neu proto-oncogene is amplified in 25 to 30 percent of human primary breast cancers and this alteration is associated with disease behavior. In this report, several similarities were found in the biology of HER-2/neu in breast and ovarian cancer, including a similar incidence of amplification, a direct correlation between amplification and over-expression, evidence of tumors in which overexpression occurs without amplification, and the association between gene alteration and clinical outcome. A comprehensive study of the gene and its products (RNA and protein) was simultaneously performed on a large number of both tumor types. This analysis identified several potential shortcomings of the various methods used to evaluate HER-2/neu in these diseases (Southern, Northern, and Western blots, and immunohistochemistry) and provided information regarding considerations that should be addressed when studying a gene or gene product in human tissue. The data presented further support the concept that the HER-2/neu gene may be involved in the pathogenesis of some human cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Godolphin, W -- Jones, L A -- Holt, J A -- Wong, S G -- Keith, D E -- Levin, W J -- Stuart, S G -- Udove, J -- Ullrich, A -- CA 36827/CA/NCI NIH HHS/ -- CA 48780/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 May 12;244(4905):707-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, U.C.L.A. School of Medicine 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2470152" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor ; Breast Neoplasms/*genetics ; Cloning, Molecular ; DNA/analysis ; Female ; Gene Amplification ; Gene Expression Regulation ; Humans ; Immunohistochemistry ; Nucleic Acid Hybridization ; Ovarian Neoplasms/*genetics ; Prognosis ; Protein Kinases ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; RNA/analysis ; Receptor, ErbB-2
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  • 28
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    Leucine repeats and an adjacent DNA binding domain mediate the formation of functional cFos-cJun heterodimers (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-31
    Description: The discovery that the AP-1 family of enhancer binding factors includes a complex of the cellular Fos (cFos) and cellular Jun (cJun) proteins established a direct and important link between oncogenesis and transcriptional regulation. Homodimeric cJun protein synthesized in vitro is capable of binding selectively to AP-1 recognition sites, whereas the cFos polypeptide is not. When cotranslated, the cFos and cJun proteins can form a stable, heterodimeric complex with the DNA binding properties of AP-1/cJun. The related proteins Jun B and vJun are also able to form DNA binding complexes with cFos. Directed mutagenesis of the cFos protein reveals that a leucine repeat structure is required for binding to cJun, in a manner consistent with the proposed function of the "leucine zipper." A novel domain adjacent to, but distinct from, the leucine repeat of cFos is required for DNA binding by cFos-cJun heterodimers. Thus experimental evidence is presented that leucine repeats can mediate complex formation between heterologous proteins and that promotes further understanding of the molecular mechanisms underlying the function of two proto-oncogene products.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Turner, R -- Tjian, R -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1689-94.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biochemistry, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2494701" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Chromatography, Affinity ; DNA/*metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Gene Expression Regulation ; Humans ; *Leucine ; Macromolecular Substances ; Molecular Sequence Data ; Mutation ; Oncogenes ; Protein Biosynthesis ; Proto-Oncogene Proteins/genetics/*metabolism ; Proto-Oncogene Proteins c-fos ; Proto-Oncogene Proteins c-jun ; Rats ; Repetitive Sequences, Nucleic Acid ; Structure-Activity Relationship ; Transcription Factors/genetics/*metabolism
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  • 29
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    Neurotoxicity of a fragment of the amyloid precursor associated with Alzheimer's disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: Amyloid deposition in senile plaques and the cerebral vasculature is a marker of Alzheimer's disease. Whether amyloid itself contributes to the neurodegenerative process or is simply a by-product of that process is unknown. Pheochromocytoma (PC12) and fibroblast (NIH 3T3) cell lines were transfected with portions of the gene for the human amyloid precursor protein. Stable PC12 cell transfectants expressing a specific amyloid-containing fragment of the precursor protein gradually degenerated when induced to differentiate into neuronal cells with nerve growth factor. Conditioned medium from these cells was toxic to neurons in primary hippocampal cultures, and the toxic agent could be removed by immunoabsorption with an antibody directed against the amyloid polypeptide. Thus, a peptide derived from the amyloid precursor may be neurotoxic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yankner, B A -- Dawes, L R -- Fisher, S -- Villa-Komaroff, L -- Oster-Granite, M L -- Neve, R L -- HD 18655/HD/NICHD NIH HHS/ -- HD 18658/HD/NICHD NIH HHS/ -- NS 01240/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):417-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2474201" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*etiology/pathology ; Amyloid/genetics/*physiology ; Blotting, Northern ; Cell Line ; Fibroblasts ; Gene Expression Regulation ; Humans ; Immunoblotting ; Neurons/pathology ; Nucleic Acid Hybridization ; Pheochromocytoma ; Protein Precursors/genetics/*physiology ; RNA/analysis/genetics ; Restriction Mapping ; Transfection ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 30
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    Mechanism of interleukin-2 signaling: mediation of different outcomes by a single receptor and transduction pathway (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: The T cell lymphokine, interleukin-2 (IL-2), plays a pivotal role in an immune response by stimulating antigen-activated B lymphocytes to progress through the cell cycle and to differentiate into antibody-secreting cells. An IL-2 inducible B lymphoma line, in which the growth and differentiation responses are uncoupled, provides a model system for dissecting the signaling mechanisms operating in each response. This system was used to show that both signals are initiated by IL-2 binding to a single, unifunctional receptor complex. Moreover, both signals are transduced by a pathway that does not involve any known second messenger system and that can be blocked by a second T cell lymphokine, interleukin 4. These findings suggest that the pleiotrophic effects of IL-2 are determined by different translations of the signal in the nucleus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tigges, M A -- Casey, L S -- Koshland, M E -- AI07079/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):781-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chiron Corporation, Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2492678" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Formation ; B-Lymphocytes/*physiology ; Calcium/physiology ; Gene Expression Regulation ; Immunoglobulin J-Chains/genetics ; Interleukin-2/*physiology ; Interleukin-4 ; Interleukins/pharmacology ; Lymphocyte Activation ; Mice ; Protein Kinase C/physiology ; Receptors, Interleukin-2/*physiology ; Tumor Cells, Cultured
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  • 31
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    Genetic engineering of filamentous fungi (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-16
    Description: Filamentous fungi are important in medicine, industry, agriculture, and basic biological research. For example, some fungal species are pathogenic to humans, whereas others produce beta-lactam antibiotics (penicillin and cephalosporin). Industrial strains produce large amounts of enzymes, such as glucoamylase and proteases, and low molecular weight compounds, such as citric acid. The largest and most economically important group of plant pathogens are fungi. Several fungal species have biological properties and genetic systems that make them ideally suited for basic biological research. Recently developed techniques for genetic engineering of filamentous fungi make it possible to alter their detrimental and beneficial activities in novel ways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Timberlake, W E -- Marshall, M A -- New York, N.Y. -- Science. 1989 Jun 16;244(4910):1313-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, University of Georgia, Athens 30602.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2525275" target="_blank"〉PubMed〈/a〉
    Keywords: Aspergillus nidulans/*genetics ; Forecasting ; Gene Expression Regulation ; Genetic Engineering/*methods/trends ; Mutation ; Neurospora/*genetics ; Neurospora crassa/*genetics ; Transformation, Genetic
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    Signal transduction by the platelet-derived growth factor receptor (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-03-24
    Description: When platelet-derived growth factor (PDGF) binds to its receptor on a quiescent fibroblast or smooth muscle cell, it stimulates a remarkably diverse group of biochemical responses, including changes in ion fluxes, activation of several kinases, alterations in cell shape, increased transcription of a number of genes, and stimulation of enzymes that regulate phospholipid metabolism. These and other reactions culminate, hours later, in DNA replication and cell division. How does the receptor for PDGF recognize and bind its specific ligand and then transduce this signal across the cell membrane via a single membrane-spanning region? Which of the immediate cellular responses are directly involved in the biochemical pathways that lead to DNA synthesis? How does the PDGF receptor trigger a diverse group of responses? Recent studies of the PDGF receptor have provided insight into these issues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams, L T -- HL-32898/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 24;243(4898):1564-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of California, San Francisco 94143-0724.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2538922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Gene Expression Regulation ; Humans ; Membrane Proteins/physiology/ultrastructure ; Molecular Structure ; Platelet-Derived Growth Factor/*physiology ; Protein-Tyrosine Kinases/physiology ; Receptors, Cell Surface/*physiology/ultrastructure ; Receptors, Platelet-Derived Growth Factor
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  • 33
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    Purification of growth hormone-specific transcription factor GHF-1 containing homeobox (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-10
    Description: Pituitary-specific expression of the growth hormone (GH) gene is governed by a transcription factor, GHF-1, that binds to two sites within its promoter. Recently, GHF-1 was shown to be a member of the homeobox family of DNA-binding proteins. An important question is whether GHF-1 controls the expression of other pituitary specific genes, such as prolactin (Prl), expressed in closely related cell types. To this end, GHF-1 was purified from extracts of GH- and Prl-expressing pituitary tumor cells and identified as a 33-kilodalton polypeptide. Although GHF-1 bound to and activated the GH promoter, it did not recognize the Prl promoter. However, at least one other factor in the same extracts, which was easily separated from GHF-1, bound to several sites within the Prl but not the GH promoter. Antibodies to GHF-1 did not react with the Prl binding activity. These results imply that the pituitary-specific expression of GH and Prl is governed by two distinct trans-acting factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Castrillo, J L -- Bodner, M -- Karin, M -- DK-38527/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Feb 10;243(4892):814-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2563596" target="_blank"〉PubMed〈/a〉
    Keywords: DNA-Binding Proteins/*genetics ; Gene Expression Regulation ; *Genes, Homeobox ; Growth Hormone/*genetics ; Humans ; Molecular Weight ; Peptide Mapping ; Pituitary Gland/physiology ; Prolactin/genetics ; Promoter Regions, Genetic ; Transcription Factors/*genetics ; Tumor Cells, Cultured
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    The story so far--chronology, dramatis personae (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):413.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2655080" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Fraud/legislation & jurisprudence ; Gene Expression Regulation ; Genes, Immunoglobulin ; History, 20th Century ; Mice ; Mice, Transgenic ; Publishing/*standards ; Research/*standards ; Research Personnel ; United States
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  • 35
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    Cloning and expression of a Xenopus embryonic gap junction protein (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: Gap junctions in the early amphibian embryo may play a fundamental role in the regulation of differentiation by mediating the cell-to-cell transfer of chemical signals. A complementary DNA encoding a gap junction present in Xenopus oocytes and early embryos has now been cloned and sequenced. This protein sequence is homologous to the well-characterized gap junction structural proteins rat connexin32 and connexin43. RNA blot analysis of total Xenopus oocyte RNA showed hybridization to a single 1.6-kilobase band. This messenger RNA is abundant in oocytes, decreases to levels below the sensitivity of our assay by stage 15 (18 hours), and is not detectable in RNA from a number of adult organs. To confirm that the oocyte cDNA encodes a gap junction channel, the protein was over expressed in Xenopus oocytes by injection of RNA synthesized in vitro. Pairs of RNA-injected oocytes formed many more time- and voltage-sensitive cell-cell channels than water-injected pairs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ebihara, L -- Beyer, E C -- Swenson, K I -- Paul, D L -- Goodenough, D A -- GM18974/GM/NIGMS NIH HHS/ -- GM37751/GM/NIGMS NIH HHS/ -- HL28958-06/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1194-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466337" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Communication ; *Cloning, Molecular ; Connexins ; DNA Probes ; Electric Conductivity ; Female ; Gene Expression Regulation ; Intercellular Junctions/physiology ; Membrane Proteins/*genetics/physiology ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Oocytes/analysis/physiology ; RNA/analysis ; RNA, Messenger/analysis ; Rats ; Tissue Distribution ; Xenopus/*embryology
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  • 36
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    Limbic seizures increase neuronal production of messenger RNA for nerve growth factor (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-08-18
    Description: Nerve growth factor (NGF) produced by telencephalic neurons provides critical trophic support for cholinergic neurons of the basal forebrain. In situ hybridization and nuclease protection analyses demonstrate that limbic seizures dramatically increase the amount of messenger RNA for NGF in the neurons of the hippocampal dentate gyrus within 1 hour of seizure onset and in broadly distributed neocortical and olfactory forebrain neurons some hours later. The increased messenger RNA species is indistinguishable from messenger RNA for transcript B of the beta subunit of NGF from mouse submandibular gland. Thus, the expression of a known growth factor is affected by unusual physiological activity, suggesting one route through which trophic interactions between neurons in adult brain can be modified.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gall, C M -- Isackson, P J -- NS00915/NS/NINDS NIH HHS/ -- NS24747/NS/NINDS NIH HHS/ -- NS26748/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1989 Aug 18;245(4919):758-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Neurobiology, University of California, Irvine 92717.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2549634" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Endonucleases ; Gene Expression Regulation ; Guinea Pigs ; Hippocampus/physiopathology ; Limbic System/*physiopathology ; Mice ; Nerve Growth Factors/*genetics ; Neurons/*metabolism ; Nucleic Acid Hybridization ; RNA Probes ; RNA, Messenger/*biosynthesis ; Rats ; Seizures/*metabolism ; Single-Strand Specific DNA and RNA Endonucleases ; Telencephalon/metabolism ; Tissue Distribution
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  • 37
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    G1/S transition in normal human T-lymphocytes requires the nuclear protein encoded by c-myb (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-14
    Description: Exposure of peripheral blood mononuclear cells (PBMC) to an 18-base c-myb antisense oligomer before mitogen or antigen stimulation resulted in almost complete inhibition of c-myb messenger RNA and protein synthesis and blockade of T lymphocyte proliferation. Expression of early and late activation markers, interleukin-2 receptor and transferrin receptor, respectively, by PBMC was unaffected by antisense oligomer exposure as was the expression of c-myc messenger RNA. In contrast, histone H3 messenger RNA levels and DNA content were selectively decreased. These results suggest that c-myb protein deprivation does not perturb T lymphocyte activation or early molecular events that may prepare the cell for subsequent proliferation. Rather, it appears to specifically block cells in late G1 or early S phase of the cell cycle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gewirtz, A M -- Anfossi, G -- Venturelli, D -- Valpreda, S -- Sims, R -- Calabretta, B -- CA01324/CA/NCI NIH HHS/ -- CA36896/CA/NCI NIH HHS/ -- CA46782/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jul 14;245(4914):180-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Temple University School of Medicine, Philadelphia, PA 19140.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2665077" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Division/drug effects ; DNA/biosynthesis ; Fluorescent Antibody Technique ; Gene Expression Regulation ; Humans ; Image Processing, Computer-Assisted ; *Interphase ; *Lymphocyte Activation/drug effects ; Oligonucleotides/pharmacology ; Oligonucleotides, Antisense ; Proto-Oncogene Proteins/biosynthesis/*genetics/physiology ; Proto-Oncogene Proteins c-myb ; Proto-Oncogenes ; RNA, Messenger/biosynthesis/*genetics ; Receptors, Interleukin-2/biosynthesis ; Receptors, Transferrin/biosynthesis ; T-Lymphocytes/*cytology/metabolism
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  • 38
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    Endothelial leukocyte adhesion molecule 1: an inducible receptor for neutrophils related to complement regulatory proteins and lectins (1989)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1989-03-03
    Description: Focal adhesion of leukocytes to the blood vessel lining is a key step in inflammation and certain vascular disease processes. Endothelial leukocyte adhesion molecule-1 (ELAM-1), a cell surface glycoprotein expressed by cytokine-activated endothelium, mediates the adhesion of blood neutrophils. A full-length complementary DNA (cDNA) for ELAM-1 has now been isolated by transient expression in COS cells. Cells transfected with the ELAM-1 clone express a surface structure recognized by two ELAM-1 specific monoclonal antibodies (H4/18 and H18/7) and support the adhesion of isolated human neutrophils and the promyelocytic cell line HL-60. Expression of ELAM-1 transcripts in cultured human endothelial cells is induced by cytokines, reaching a maximum at 2 to 4 hours and decaying by 24 hours; cell surface expression of ELAM-1 protein parallels that of the mRNA. The primary sequence of ELAM-1 predicts an amino-terminal lectin-like domain, an EGF domain, and six tandem repetitive motifs (about 60 amino acids each) related to those found in complement regulatory proteins. A similar domain structure is also found in the MEL-14 lymphocyte cell surface homing receptor, and in granule-membrane protein 140, a membrane glycoprotein of platelet and endothelial secretory granules that can be rapidly mobilized (less than 5 minutes) to the cell surface by thrombin and other stimuli. Thus, ELAM-1 may be a member of a nascent gene family of cell surface molecules involved in the regulation of inflammatory and immunological events at the interface of vessel wall and blood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bevilacqua, M P -- Stengelin, S -- Gimbrone, M A Jr -- Seed, B -- P01 HL-36028/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1160-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466335" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Adhesion ; DNA/genetics ; E-Selectin ; Endothelium, Vascular/metabolism ; Gene Expression Regulation ; Humans ; Immunoassay ; Interleukin-1/pharmacology ; *Membrane Glycoproteins ; Molecular Sequence Data ; Neutrophils/*physiology ; Nucleic Acid Hybridization ; Recombinant Proteins ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Transfection ; Tumor Cells, Cultured ; Tumor Necrosis Factor-alpha/pharmacology
    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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  • 39
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    Contingent genetic regulatory events in T lymphocyte activation (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-01-20
    Description: Interaction of antigen in the proper histocompatibility context with the T lymphocyte antigen receptor leads to an orderly series of events resulting in morphologic change, proliferation, and the acquisition of immunologic function. In most T lymphocytes two signals are required to initiate this process, one supplied by the antigen receptor and the other by accessory cells or agents that activate protein kinase C. Recently, DNA sequences have been identified that act as response elements for one or the other of the two signals, but do not respond to both signals. The fact that these sequences lie within the control regions of the same genes suggests that signals originating from separate cell membrane receptors are integrated at the level of the responsive gene. The view is put forth that these signals initiate a contingent series of gene activations that bring about proliferation and impart immunologic function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crabtree, G R -- CA 39612/CA/NCI NIH HHS/ -- HL 33942/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 20;243(4889):355-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Stanford University Medical School, CA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2783497" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Gene Expression Regulation ; Humans ; Interleukin-2/genetics ; *Lymphocyte Activation ; Mice ; Oncogenes ; Protein-Tyrosine Kinases/genetics ; T-Lymphocytes/*physiology ; Time Factors
    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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    Dingell v. Baltimore (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1989 Apr 28;244(4903):412-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2655079" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biomedical Research ; Federal Government ; Fraud/legislation & jurisprudence ; Gene Expression Regulation ; Genes, Immunoglobulin ; History, 20th Century ; Mice ; Mice, Transgenic ; Publishing/*standards ; Research/*standards ; Research Personnel ; United States
    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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