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  • Articles  (31)
  • Analytical Chemistry and Spectroscopy  (15)
  • Life and Medical Sciences  (7)
  • Humans  (5)
  • 550 - Earth sciences  (4)
  • 1
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    Alpha-synuclein blocks ER-Golgi traffic and Rab1 rescues neuron loss in Parkinson's models (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: Alpha-synuclein (alphaSyn) misfolding is associated with several devastating neurodegenerative disorders, including Parkinson's disease (PD). In yeast cells and in neurons alphaSyn accumulation is cytotoxic, but little is known about its normal function or pathobiology. The earliest defect following alphaSyn expression in yeast was a block in endoplasmic reticulum (ER)-to-Golgi vesicular trafficking. In a genomewide screen, the largest class of toxicity modifiers were proteins functioning at this same step, including the Rab guanosine triphosphatase Ypt1p, which associated with cytoplasmic alphaSyn inclusions. Elevated expression of Rab1, the mammalian YPT1 homolog, protected against alphaSyn-induced dopaminergic neuron loss in animal models of PD. Thus, synucleinopathies may result from disruptions in basic cellular functions that interface with the unique biology of particular neurons to make them especially vulnerable.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1983366/" 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/PMC1983366/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, Antony A -- Gitler, Aaron D -- Cashikar, Anil -- Haynes, Cole M -- Hill, Kathryn J -- Bhullar, Bhupinder -- Liu, Kangning -- Xu, Kexiang -- Strathearn, Katherine E -- Liu, Fang -- Cao, Songsong -- Caldwell, Kim A -- Caldwell, Guy A -- Marsischky, Gerald -- Kolodner, Richard D -- Labaer, Joshua -- Rochet, Jean-Christophe -- Bonini, Nancy M -- Lindquist, Susan -- P50 NS038372/NS/NINDS NIH HHS/ -- R01-HG002923/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):324-8. Epub 2006 Jun 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Missouri-Kansas City, Kansas City, MO 64110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794039" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Caenorhabditis elegans ; Cell Survival ; Cells, Cultured ; Disease Models, Animal ; Dopamine/physiology ; Drosophila ; Endoplasmic Reticulum/*metabolism ; Gene Expression ; Gene Library ; Golgi Apparatus/*metabolism ; Humans ; Mice ; Nerve Degeneration ; Neurons/cytology/*physiology ; Parkinsonian Disorders/metabolism/pathology/*physiopathology ; Proteasome Endopeptidase Complex/metabolism ; Protein Folding ; *Protein Transport ; Proteins/chemistry/metabolism ; Rats ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae/genetics/metabolism ; Saccharomyces cerevisiae Proteins/genetics/metabolism ; alpha-Synuclein/chemistry/genetics/*metabolism ; rab GTP-Binding Proteins/genetics/metabolism ; rab1 GTP-Binding Proteins/genetics/*metabolism
    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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    Functional links between Abeta toxicity, endocytic trafficking, and Alzheimer's disease risk factors in yeast (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-10-29
    Description: Abeta (beta-amyloid peptide) is an important contributor to Alzheimer's disease (AD). We modeled Abeta toxicity in yeast by directing the peptide to the secretory pathway. A genome-wide screen for toxicity modifiers identified the yeast homolog of phosphatidylinositol binding clathrin assembly protein (PICALM) and other endocytic factors connected to AD whose relationship to Abeta was previously unknown. The factors identified in yeast modified Abeta toxicity in glutamatergic neurons of Caenorhabditis elegans and in primary rat cortical neurons. In yeast, Abeta impaired the endocytic trafficking of a plasma membrane receptor, which was ameliorated by endocytic pathway factors identified in the yeast screen. Thus, links between Abeta, endocytosis, and human AD risk factors can be ascertained with yeast as a model system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3281757/" 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/PMC3281757/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Treusch, Sebastian -- Hamamichi, Shusei -- Goodman, Jessica L -- Matlack, Kent E S -- Chung, Chee Yeun -- Baru, Valeriya -- Shulman, Joshua M -- Parrado, Antonio -- Bevis, Brooke J -- Valastyan, Julie S -- Han, Haesun -- Lindhagen-Persson, Malin -- Reiman, Eric M -- Evans, Denis A -- Bennett, David A -- Olofsson, Anders -- DeJager, Philip L -- Tanzi, Rudolph E -- Caldwell, Kim A -- Caldwell, Guy A -- Lindquist, Susan -- F32 NS067782-02/NS/NINDS NIH HHS/ -- K08 AG034290/AG/NIA NIH HHS/ -- K08AG034290/AG/NIA NIH HHS/ -- P30 AG019610/AG/NIA NIH HHS/ -- P30AG10161/AG/NIA NIH HHS/ -- R01 AG015819/AG/NIA NIH HHS/ -- R01 AG017917/AG/NIA NIH HHS/ -- R01AG15819/AG/NIA NIH HHS/ -- R01AG17917/AG/NIA NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Dec 2;334(6060):1241-5. doi: 10.1126/science.1213210. Epub 2011 Oct 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22033521" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics/*metabolism ; Amyloid beta-Peptides/chemistry/genetics/*metabolism ; Animals ; Animals, Genetically Modified ; Caenorhabditis elegans/cytology/genetics/metabolism ; Cell Membrane/metabolism ; Cells, Cultured ; Clathrin/metabolism ; Cytoskeleton/metabolism ; Disease Susceptibility ; *Endocytosis ; Genetic Association Studies ; Genetic Testing ; Glutamates/metabolism ; Humans ; Monomeric Clathrin Assembly Proteins/genetics/metabolism ; Neurons/physiology ; Peptide Fragments/chemistry/genetics/*metabolism ; Protein Multimerization ; Protein Transport ; Rats ; Risk Factors ; *Saccharomyces cerevisiae/cytology/genetics/growth & development/metabolism ; Saccharomyces cerevisiae Proteins/genetics/metabolism ; Secretory Pathway
    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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  • 3
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    The Global Sea Level Observing System (GLOSS) (2010)
    In:  Proceedings of OceanObs'09: Sustained Ocean Observations and Information for Society, vol. 2 | ESA Publication WPP-306
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/bookPart
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  • 4
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    Modelling of strong 3-D effects in MT data from Namibia. (2000)
    In:  15th Workshop on Electromagnetic Induction in the Earth
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 5
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    Controlled Source Imaging of the Kunlun Suture, Northeast Tebetan Plateau (2007)
    In:  AGU 2007 Fall Meeting (San Francisco 2007)
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 6
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    Controlled Source Imaging of the Kunlun Suture, Northeast Tibetan Plateau (2007)
    In:  EOS, Transactions, American Geophysical Union, Suppl. ; 88 (52)
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 7
    Electronic Resource
    Electronic Resource
    Variant cDNAs encoding proteins similar to the α subunit of chicken CapZ (1991)
    New York, NY : Wiley-Blackwell
    Cell Motility and the Cytoskeleton 18 (1991), S. 204-214 
    Details
    ISSN: 0886-1544
    Keywords: actin-binding ; muscle ; Z-line ; capping ; isoform ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Chicken adult muscle and liver cDNA libraries were screened with a cDNA, α1, previously isolated from a chicken embryo library by screening with antibodies against the α subunit of chicken CapZ. cDNAs with a new coding region, called α2, were found in addition to ones with the α1 coding region. α2 predicts a protein sequence that matches exactly the N-terminal sequence of 5 peptides prepared from CapZ α purified from chicken muscle, while the protein sequence predicted by α1 matches the peptides well, but not exactly. The predicted protein sequences of α1 and α2 are very similar to each other, and they are similar to those of the α subunit of capping protein from Dictyostelium [Hartmann et al., J. Biol. Chem. 163:5254-5254, 1989] and an actin-binding protein from Xenopus [Ankenbauer et al., Nature 342:822-824, 1989]. Other conserved features of the predicted primary and secondary structures are noted. Chicken α1 and α2 are transcribed in all of 7 adult chicken muscle and non-muscle tissues in comparable amounts by Northern analysis. α2 has four poly(A)+ RNA transcripts, one of which is rare in liver. α1 has two transcripts. α1 and α2 are encoded by different single-copy genes by Southern analysis of chicken genomic DNA.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cm.970180306
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  • 8
    Electronic Resource
    Electronic Resource
    Evaluation of fast atom bombardment mass spectrometric and low-energy collisional activation tandem mass spectrometric data for the structural elucidation of bisbenzylisoquinoline alkaloids (1994)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 29 (1994), S. 220-225 
    Details
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The fast atom bombardment (FAB) mass spectra and low-energy collisional activation mass spectra of ions generated under FAB were investigated for twelve bisbenzylisoquinoline (BBI) alkaloids. The relative molecular mass of the free base and diquaternary BBI alkaloids can be obtained from FAB data. However, monoquaternary ammonium salts produce only an [M  -  X]+ ion and the relative molecular mass cannot be determined. For Type A (single ether linkage) BBI alkaloids, fragmentation occurs primarily from benzylic and ether cleavages. Thus, the total number of aromatic substituents (OH, OCH3 or OCH2O) can be determined for rings A-B, C-D, E and F. For Type B (two either linkages) BBI alkaloids, fragmentation occurs primarily from double benzylic cleavages. Hence only the total number of aromatic substituents can be determined for the upper half of the Type B BBI alkaloids, i.e. rings A-B and C-D. An unknown alkaloid was examined to illustrate the utility of the fragmentation schemes.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/oms.1210290503
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  • 9
    Electronic Resource
    Electronic Resource
    Determination of bupivacaine in human fetal and neonatal blood samples by quantitative single ion monitoringAbbreviation: pentyl PPX = 1-n-pentyl-2-(2′,6′-xylylcarbamoyl)-piperidine hydrochloride. (1977)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 4 (1977), S. 322-325 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The blood levels of bupivacaine administered epidurally during labour have been determined in mother, fetus and the newborn infant by quantitative single ion monitoring, following gas chromatographic separation. Concentrations were determined from the height of the peak obtained at m/e 140 derived from bupivacaine compared with that at m/e 154 derived from the internal standard, 1-n-pentyl-2-(2′,6′-xylylcarbamoyl)piperidine. Results from six mothers and their infants showed that the drug passed rapidly from the maternal circulation to the infant. The plasma half-life of the drug in the newborn infant was 18 h compared with 1.25 h for the adult.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200040509
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  • 10
    Electronic Resource
    Electronic Resource
    Direct determination of cotinine-N-glucuronide in urine using thermospray liquid chromatography/mass spectrometry (1994)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 23 (1994), S. 103-107 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A thermospray liquid chromatographic/mass spectrometric method has been developed for direct determination of cotinine-N-glucurinode in the urine of smokers. Quantification was performed using methyl-d3-cotinine-N-glucuronide as internal standard and monitoring the protonated aglycons. Using a simple preparation, urine samples from four smokers were analyzed and the results compared favorably with those from a previously reported method that quantifies aglycon release following β-glucuronidase treatment. Amounts of cotinine-N-glucuronide found in urine from smokers ranged from less than 0.7 to 21 nmol ml-1, indicating wide inter-individual variability in the metabolic production of this metabolite. Cotinine-N-glucuronide was found to be the second most abundant urinary nicotine metabolite. A similar method was developed for trans-3′-hydroxycotinine-N-glucuronide but this compound was not detected in smokers' urine.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200230210
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