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  • Humans  (2)
  • *Stem Cells  (1)
  • Chemistry
  • Surface physics, nanoscale physics, low-dimensional systems
  • American Association for the Advancement of Science (AAAS)  (2)
  • 2010-2014  (2)
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Year
  • 1
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    Differential arginylation of actin isoforms is regulated by coding sequence-dependent degradation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-09-18
    Description: The mammalian cytoskeletal proteins beta- and gamma-actin are highly homologous, but only beta-actin is amino-terminally arginylated in vivo, which regulates its function. We examined the metabolic fate of exogenously expressed arginylated and nonarginylated actin isoforms. Arginylated gamma-actin, unlike beta-, was highly unstable and was selectively ubiquitinated and degraded in vivo. This instability was regulated by the differences in the nucleotide coding sequence between the two actin isoforms, which conferred different translation rates. gamma-actin was translated more slowly than beta-actin, and this slower processing resulted in the exposure of a normally hidden lysine residue for ubiquitination, leading to the preferential degradation of gamma-actin upon arginylation. This degradation mechanism, coupled to nucleotide coding sequence, may regulate protein arginylation in vivo.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2941909/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2941909/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Fangliang -- Saha, Sougata -- Shabalina, Svetlana A -- Kashina, Anna -- 5R01HL084419/HL/NHLBI NIH HHS/ -- R01 HL084419/HL/NHLBI NIH HHS/ -- R01 HL084419-03/HL/NHLBI NIH HHS/ -- R01 HL084419-03S1/HL/NHLBI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Sep 17;329(5998):1534-7. doi: 10.1126/science.1191701.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Biology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20847274" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry/genetics/*metabolism ; Amino Acid Sequence ; Animals ; Arginine/*metabolism ; Cell Line ; Cell Line, Tumor ; *Codon ; Humans ; Lysine/metabolism ; Mice ; Nucleic Acid Conformation ; Proteasome Endopeptidase Complex/metabolism ; Protein Biosynthesis ; Protein Folding ; Protein Isoforms/chemistry/genetics/metabolism ; *Protein Modification, Translational ; Protein Stability ; RNA, Messenger/chemistry/genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Ubiquitination
    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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    Access to stem cells and data: persons, property rights, and scientific progress (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-02-12
    Description: Many fields have struggled to develop strategies, policies, or structures to optimally manage data, materials, and intellectual property rights (IPRs). There is growing recognition that the field of stem cell science, in part because of its complex IPRs landscape and the importance of cell line collections, may require collective action to facilitate basic and translational research. Access to pluripotent stem cell lines and the information associated with them is critical to the progress of stem cell science, but simple notions of access are substantially complicated by shifting boundaries between what is considered information versus material, person versus artifact, and private property versus the public domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathews, Debra J H -- Graff, Gregory D -- Saha, Krishanu -- Winickoff, David E -- New York, N.Y. -- Science. 2011 Feb 11;331(6018):725-7. doi: 10.1126/science.1201382.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins Berman Institute of Bioethics, Deering Hall, 208, 1809 Ashland Avenue, Baltimore, MD 21205, USA. dmathews@jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21311015" target="_blank"〉PubMed〈/a〉
    Keywords: *Access to Information ; Biological Specimen Banks ; Confidentiality ; Humans ; Informed Consent ; *Intellectual Property ; *Ownership ; Public Sector ; *Stem Cell Research ; *Stem Cells ; Tissue Donors
    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
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    PAPER CURRENT
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