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  • Cell Line  (139)
  • American Association for the Advancement of Science (AAAS)  (139)
  • American Chemical Society
  • 1985-1989  (90)
  • 1980-1984  (49)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (139)
  • American Chemical Society
Years
Year
  • 1
    Publication Date: 1989-04-07
    Description: Three cellular homologs of the v-erbA oncogene were previously identified in the rat; two of them encode high affinity receptors for the thyroid hormone triiodothyronine (T3). A rat complementary DNA clone encoding a T3 receptor form of the ErbA protein, called r-ErbA beta-2, was isolated. The r-ErbA beta-2 protein differs at its amino terminus from the previously described rat protein encoded by c-erbA beta and referred to as r-ErbA beta-1. Unlike the other members of the c-erbA proto-oncogene family, which have a wide tissue distribution, r-erbA beta-2 appears to be expressed only in the anterior pituitary gland. In addition, thyroid hormone downregulates r-erbA beta-2 messenger RNA but not r-erbA beta-1 messenger RNA in a pituitary tumor-derived cell line. The presence of a pituitary-specific form of the thyroid hormone receptor that may be selectively regulated by thyroid hormone could be important for the differential regulation of gene expression by T3 in the pituitary gland.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hodin, R A -- Lazar, M A -- Wintman, B I -- Darling, D S -- Koenig, R J -- Larsen, P R -- Moore, D D -- Chin, W W -- New York, N.Y. -- Science. 1989 Apr 7;244(4900):76-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Brigham and Women's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2539642" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cloning, Molecular ; DNA/isolation & purification ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Organ Specificity ; Pituitary Gland, Anterior/*metabolism ; Proto-Oncogene Proteins/genetics/*isolation & purification ; Rats ; Receptors, Thyroid Hormone/genetics/*isolation & purification ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 1985-06-21
    Description: The putative transforming protein of the type I human T-cell leukemia virus (HTLV-1) is a 40-kilodalton protein encoded by the X region and is termed p40XI. On the basis of both subcellular fractionation techniques and immunocytochemical analysis, it is now shown that p40XI is a nuclear protein with a relatively short half-life (120 minutes). It is synthesized de novo in considerable quantities in a human T-cell line infected with and transformed by the virus in vitro, and it is not packaged in detectable amounts in the extracellular virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Press, M F -- Souza, L M -- Murdock, D C -- Cline, M J -- Golde, D W -- Gasson, J C -- Chen, I S -- CA 32737/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 21;228(4706):1427-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990027" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Polyomavirus Transforming ; Antigens, Viral, Tumor/immunology/*metabolism ; Cell Fractionation ; Cell Line ; Cell Nucleus/metabolism ; Cell Transformation, Viral ; Deltaretrovirus/*metabolism ; Half-Life ; Humans ; Immune Sera ; Precipitin Tests ; Viral Proteins/immunology/*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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  • 3
    Publication Date: 1986-01-24
    Description: Human probes identifying the cellular homologs of the v-ets gene, Hu-ets-1 and Hu-ets-2, and two panels of rodent-human cell hybrids were used to study specific translocations occurring in acute leukemias. The human ets-1 gene was found to translocate from chromosome 11 to 4 in the t(4;11)(q21;23), a translocation characteristic of a subtype of leukemia that represents the expansion of a myeloid/lymphoid precursor cell. Similarly, the human ets-2 gene was found to translocate from chromosome 21 to chromosome 8 in the t(8;21)(q22;q22), a nonrandom translocation commonly found in patients with acute myeloid leukemia with morphology M2 (AML-M2). Both translocations are associated with expression different from the expression in normal lymphoid cells of ets genes, raising the possibility that these genes play a role in the pathogenesis of these leukemias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sacchi, N -- Watson, D K -- Guerts van Kessel, A H -- Hagemeijer, A -- Kersey, J -- Drabkin, H D -- Patterson, D -- Papas, T S -- AG00029/AG/NIA NIH HHS/ -- HD17449/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):379-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3941901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosomes, Human, 21-22 and Y ; Chromosomes, Human, 6-12 and X ; Cricetinae ; Cricetulus ; Humans ; Hybrid Cells ; Leukemia/*genetics ; Nucleic Acid Hybridization ; *Oncogenes ; *Translocation, Genetic
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  • 4
    Publication Date: 1986-07-18
    Description: The myb gene is the transforming oncogene of the avian myeloblastosis virus (AMV); its normal cellular homolog, c-myb, is conserved across a broad span of evolution. In humans, c-myb is expressed in malignant hematopoietic cell lines and in primary hematopoietic tumors. Partial complementary DNA clones were generated from blast cells of patients with acute myelogenous leukemia. The sequences of the clones were compared to the c-myb of other species, as well as the v-myb of AMV. In addition, the carboxyl terminal region of human c-myb was placed in an expression vector to obtain protein for the generation of antiserum, which was used to identify the human c-myb gene product. Like v-myb, this protein was found within the nucleus of leukemic cells where it was associated with the nuclear matrix. These studies provide further evidence that c-myb might be involved in human leukemia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Boone, T C -- Murdock, D C -- Keith, D E -- Press, M F -- Larson, R A -- Souza, L M -- CA36827/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Jul 18;233(4761):347-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3014652" target="_blank"〉PubMed〈/a〉
    Keywords: *Aspartate Carbamoyltransferase ; Avian Leukosis Virus/*genetics ; Avian Myeloblastosis Virus/*genetics ; Base Sequence ; *Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing) ; Cell Line ; Cloning, Molecular ; DNA/analysis ; DNA Restriction Enzymes/metabolism ; *Dihydroorotase ; Escherichia coli/genetics ; Hematopoietic Stem Cells/microbiology ; Humans ; Leukemia, Myeloid, Acute/*genetics ; Molecular Weight ; *Multienzyme Complexes ; *Oncogenes ; Proteins/analysis
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  • 5
    Publication Date: 1989-11-24
    Description: Ciliary neurotrophic factor (CNTF) is one of a small number of proteins with neurotrophic activities distinct from nerve growth factor (NGF). CNTF has now been purified and cloned and the primary structure of CNTF from rabbit sciatic nerve has been determined. Biologically active CNTF has been transiently expressed from a rabbit complementary DNA clone. CNTF is a neural effector without significant sequence homologies to any previously reported protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Mismer, D -- Lile, J D -- Armes, L G -- Butler, E T 3rd -- Vannice, J L -- Collins, F -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Chemistry Group, Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587985" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; DNA/genetics ; Molecular Sequence Data ; Nerve Growth Factors/*genetics ; Nerve Tissue Proteins/biosynthesis/*genetics/isolation & purification ; Rabbits ; Recombinant Proteins/biosynthesis ; Sciatic Nerve/metabolism ; Transfection
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  • 6
    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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  • 7
    Publication Date: 1989-03-10
    Description: The antibiotic resistance gene neomycin phosphotransferase (neo) has been precisely targeted to a chromosomal region close to the cystic fibrosis (CF) locus on chromosome 7. The chromosomal target was the expressed SV40 array integrated at chromosome 7, band q31-q35 in a human-mouse hybrid cell line that contains chromosome 7 as the only human component. Stringent selection for neo expression by homologous recombination (3 of 11 correctly targeted) was achieved by fusing the SV40 large T antigen gene, in frame, to neo in a promoterless construct, such that G418 resistance depended on endogenous promoter function and read-through transcription. Chromosome-mediated gene transfer (CMGT) with G418 selection was then used generate mouse hybrids that carried the targeted locus intact, but retained only a fragment of human chromosome 7. This gene targeting strategy will access new regions of the human (or other mammalian) genome, create precise mutations efficiently by gene disruption, and potentially restore normal gene function by mutation correction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dorin, J R -- Inglis, J D -- Porteous, D J -- New York, N.Y. -- Science. 1989 Mar 10;243(4896):1357-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Human Genetics Unit, Western General Hospital, Edinburgh, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2538001" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Polyomavirus Transforming/genetics ; Cell Line ; Chromosome Mapping ; *Chromosomes, Human, Pair 7 ; Cloning, Molecular ; *Genes ; Genes, Viral ; Humans ; Hybrid Cells ; Kanamycin Kinase ; Mice ; Mutation ; Phosphotransferases/*genetics ; *Recombination, Genetic ; Restriction Mapping ; Simian virus 40/genetics ; *Transfection
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  • 8
    Publication Date: 1988-07-22
    Description: The central portion (region P) of the 742-nucleotide noncoding 5' end of poliovirus allows the RNA to initiate protein synthesis in the absence of the usual 5' 7-methylguanosine capping group. Poliovirus 5' noncoding region was fused to a reporter gene and transfected into cells. There was extensive augmentation of the expression of this gene by poliovirus-mediated inhibition of cap-dependent protein synthesis. That the construct initiated in a cap-independent manner was verified through in vitro experiments. Small lesions throughout region P blocked its initiation function, implying that a coherent functional unit, hundreds of nucleotides long, is responsible for cap-independent initiation by poliovirus RNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trono, D -- Pelletier, J -- Sonenberg, N -- Baltimore, D -- AI 22346/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 22;241(4864):445-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2839901" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Animals ; Cell Line ; Cell-Free System ; Cercopithecus aethiops ; Chloramphenicol O-Acetyltransferase ; DNA Mutational Analysis ; DNA, Recombinant ; Poliovirus/*genetics ; Protein Biosynthesis ; RNA Caps ; RNA, Messenger/genetics
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  • 9
    Publication Date: 1988-10-28
    Description: The T cell antigen receptor consists of an antigen-binding heterodimer that is noncovalently associated with at least five CD3 subunits (gamma, delta, epsilon, zeta, and eta). The CD3-zeta chains are either disulfide-linked homodimers (CD3-zeta 2) or disulfide-linked heterodimers with eta (CD3-zeta eta). Variants of a murine antigen-specific T cell hybridoma that express normal amounts of CD3-zeta 2 but decreased amounts of CD3-zeta eta were isolated. When activated, the parental cell line increased both phosphatidylinositol hydrolysis and serine-specific protein kinase activity to a much greater extent than the variants. In contrast, the activation of a tyrosine-specific kinase after stimulation with a cross-linking antibody to CD3 was similar among these cells. There was a positive linear relation between the expression of CD3-zeta eta and phosphoinositide hydrolysis stimulated by the TCR, suggesting a differential coupling of the T cell alpha beta heterodimer to signal transduction mechanisms due to alpha beta association with either CD3-zeta 2 or CD3-zeta eta.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mercep, M -- Bonifacino, J S -- Garcia-Morales, P -- Samelson, L E -- Klausner, R D -- Ashwell, J D -- New York, N.Y. -- Science. 1988 Oct 28;242(4878):571-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biological Response Modifiers Program, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2845582" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/immunology ; Antigens, CD3 ; Antigens, Differentiation, T-Lymphocyte/*physiology ; Cell Line ; Electrophoresis, Gel, Two-Dimensional ; Macromolecular Substances ; *Membrane Proteins ; Mice ; Phosphatidylinositols/*metabolism ; Phosphoproteins/metabolism ; Phosphorylation ; Precipitin Tests ; Protein Kinase C/physiology ; Receptors, Antigen, T-Cell/*physiology ; T-Lymphocytes/*physiology
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  • 10
    Publication Date: 1988-08-05
    Description: The presence of macrophages is required for the regeneration of many cell types during wound healing. Macrophages have been reported to express a wide range of mitogenic factors and cytokines, but none of these factors has been shown in vivo to sustain all the wound-healing processes. It has been suggested that transforming growth factor-alpha (TGF-alpha) may mediate angiogenesis, epidermal regrowth, and formation of granulation tissue in vivo. Macrophages isolated from a wound site, and not exposed to cell culture conditions, expressed messenger RNA transcripts for TGF-alpha, TGF-beta, platelet-derived growth factor A-chain, and insulin-like growth factor-1. The expression of these transcripts was determined by a novel method for RNA analysis in which low numbers of mouse macrophages were isolated from wound cylinders, their RNA was purified and reverse-transcribed, and the complementary DNA was amplified in a polymerase chain reaction primed with growth factor sequence-specific primers. This single-cell RNA phenotyping procedure is rapid and has the potential for quantification, and mRNA transcripts from a single cell or a few cells can be unambiguously demonstrated, with the simultaneous analysis of several mRNA species. Macrophages from wounds expressed TGF-alpha antigen, and wound fluids contained TGF-alpha. Elicited macrophages in culture also expressed TGF-alpha transcripts and polypeptide in a time-dependent manner after stimulation with modified low-density lipoproteins and lipopolysaccharide endotoxin, which are characteristic of the activators found in injured tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rappolee, D A -- Mark, D -- Banda, M J -- Werb, Z -- AR 32746/AR/NIAMS NIH HHS/ -- GM 27345/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 5;241(4866):708-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Radiobiology and Environmental Health, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3041594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA/genetics ; Enzyme-Linked Immunosorbent Assay ; Epidermal Growth Factor/biosynthesis/genetics ; Fibroblast Growth Factors/biosynthesis/genetics ; Fibroblasts/metabolism ; Fluorescent Antibody Technique ; Growth Substances/*biosynthesis/genetics ; Insulin-Like Growth Factor I/biosynthesis/genetics ; Macrophages/*metabolism ; Male ; Mice ; Nucleic Acid Hybridization ; *Peptide Biosynthesis ; Peptides/genetics ; Platelet-Derived Growth Factor/biosynthesis/genetics ; Protein Biosynthesis ; RNA, Messenger/*biosynthesis ; Rabbits ; Transcription, Genetic ; Transforming Growth Factors ; *Wound Healing ; Wounds and Injuries/*pathology
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