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  • Kinetics  (2)
  • Cell Division  (1)
  • Fibroblast Growth Factor 1/*genetics/metabolism/pharmacology  (1)
  • 1990-1994  (2)
  • 1
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    Recovery of mitogenic activity of a growth factor mutant with a nuclear translocation sequence (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: Heparin-binding growth factor-1 (HBGF-1) is an angiogenic polypeptide mitogen for mesoderm- and neuroectoderm-derived cells in vitro and remains biologically active after truncation of the amino-terminal domain (HBGF-1 alpha) of the HBGF-1 beta precursor. Polymerase chain reaction mutagenesis and prokaryotic expression systems were used to prepare a mutant of HBGF-1 alpha lacking a putative nuclear translocation sequence (amino acid residues 21 to 27; HBGF-1U). Although HBGF-1U retains its ability to bind to heparin, HBGF-1U fails to induce DNA synthesis and cell proliferation at concentrations sufficient to induce intracellular receptor-mediated tyrosine phosphorylation and c-fos expression. Attachment of the nuclear translocation sequence from yeast histone 2B at the amino terminus of HBGF-1U yields a chimeric polypeptide (HBGF-1U2) with mitogenic activity in vitro and indicates that nuclear translocation is important for this biological response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Imamura, T -- Engleka, K -- Zhan, X -- Tokita, Y -- Forough, R -- Roeder, D -- Jackson, A -- Maier, J A -- Hla, T -- Maciag, T -- HL 32348/HL/NHLBI NIH HHS/ -- HL 35627/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1567-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Biology, Jerome H. Holland Laboratory for the Biomedical Sciences, American Red Cross, Rockville, MD 20855.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1699274" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding, Competitive ; Cattle ; Cell Division/drug effects ; Cell Line ; Cell Nucleus/metabolism ; Cells, Cultured ; DNA Replication/drug effects ; Endothelium, Vascular/drug effects/metabolism ; Fibroblast Growth Factor 1/*genetics/metabolism/pharmacology ; Kinetics ; Mice ; Mitogens/pharmacology ; Molecular Sequence Data ; *Mutation ; Oligonucleotide Probes ; Receptors, Mitogen/metabolism ; Receptors, Vascular Endothelial Growth Factor ; Recombinant Proteins/metabolism/pharmacology ; Transcription, Genetic/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Extension of the life-span of human endothelial cells by an interleukin-1 alpha antisense oligomer (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-09-28
    Description: The proliferative potential of human diploid endothelial cells is finite, and cellular senescence in vitro is accompanied by the failure of the endothelial cell to respond to exogenous growth factors. Senescent human endothelial cells were shown to contain high amounts of the transcript for the cytokine interleukin-1 alpha (IL-1 alpha), a potent inhibitor of endothelial cell proliferation in vitro. In contrast, transformed human endothelial cells did not contain detectable IL-1 alpha messenger RNA. Treatment of human endothelial cell populations with an antisense oligodeoxynucleotide to the human IL-1 alpha transcript prevented cell senescence and extended the proliferative life-span of the cells in vitro. Removal of the IL-1 alpha antisense oligomer resulted in the generation of the senescent phenotype and loss of proliferative potential. These data suggest that human endothelial cell senescence in vitro is a dynamic process regulated by the potential intracellular activity of IL-1 alpha.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maier, J A -- Voulalas, P -- Roeder, D -- Maciag, T -- AG07450/AG/NIA NIH HHS/ -- HL32348/HL/NHLBI NIH HHS/ -- HL35627/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1990 Sep 28;249(4976):1570-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Biology, Jerome H. Holland, Laboratory for the Biomedical Sciences, American Red Cross, Rockville, MD 20855.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2218499" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell Division ; Cell Survival ; Cells, Cultured ; Endothelium, Vascular/*cytology/physiology ; Humans ; Interleukin-1/*genetics ; Kinetics ; Molecular Sequence Data ; Oligonucleotide Probes ; RNA, Antisense/*genetics
    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)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
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