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  • 1
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    Kinetic stabilization of the alpha-synuclein protofibril by a dopamine-alpha-synuclein adduct (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-11-10
    Description: The substantia nigra in Parkinson's disease (PD) is depleted of dopaminergic neurons and contains fibrillar Lewy bodies comprising primarily alpha-synuclein. We screened a library to identify drug-like molecules to probe the relation between neurodegeneration and alpha-synuclein fibrilization. All but one of 15 fibril inhibitors were catecholamines related to dopamine. The inhibitory activity of dopamine depended on its oxidative ligation to alpha-synuclein and was selective for the protofibril-to-fibril conversion, causing accumulation of the alpha-synuclein protofibril. Adduct formation provides an explanation for the dopaminergic selectivity of alpha-synuclein-associated neurotoxicity in PD and has implications for current and future PD therapeutic and diagnostic strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conway, K A -- Rochet, J C -- Bieganski, R M -- Lansbury, P T Jr -- NS38375/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2001 Nov 9;294(5545):1346-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neurologic Diseases, Brigham and Women's Hospital, Department of Neurology, Harvard Medical School, 65 Landsdowne Street, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11701929" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antioxidants/pharmacology ; Biopolymers/chemistry/metabolism ; Catecholamines/pharmacology ; Cytoplasm/metabolism ; Dopamine/chemistry/*metabolism/pharmacology ; Humans ; Levodopa/pharmacology ; Nerve Tissue Proteins/*chemistry/genetics/isolation & purification/*metabolism ; Oxidation-Reduction ; Oxidative Stress ; Parkinson Disease/etiology/metabolism/therapy ; Quinones/metabolism ; Spectrometry, Fluorescence ; Synaptic Vesicles/metabolism ; Synucleins ; alpha-Synuclein
    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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    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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  • 3
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    Sirtuin 2 inhibitors rescue alpha-synuclein-mediated toxicity in models of Parkinson's disease (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-06-26
    Description: The sirtuins are members of the histone deacetylase family of proteins that participate in a variety of cellular functions and play a role in aging. We identified a potent inhibitor of sirtuin 2 (SIRT2) and found that inhibition of SIRT2 rescued alpha-synuclein toxicity and modified inclusion morphology in a cellular model of Parkinson's disease. Genetic inhibition of SIRT2 via small interfering RNA similarly rescued alpha-synuclein toxicity. Furthermore, the inhibitors protected against dopaminergic cell death both in vitro and in a Drosophila model of Parkinson's disease. The results suggest a link between neurodegeneration and aging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Outeiro, Tiago Fleming -- Kontopoulos, Eirene -- Altmann, Stephen M -- Kufareva, Irina -- Strathearn, Katherine E -- Amore, Allison M -- Volk, Catherine B -- Maxwell, Michele M -- Rochet, Jean-Christophe -- McLean, Pamela J -- Young, Anne B -- Abagyan, Ruben -- Feany, Mel B -- Hyman, Bradley T -- Kazantsev, Aleksey G -- 5P50-NS38372A-06/NS/NINDS NIH HHS/ -- R01-NS049221/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2007 Jul 27;317(5837):516-9. Epub 2007 Jun 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Alzheimer's Research Unit, MGH, Harvard Medical School, CNY 114, 16th Street, Charlestown, MA 02129, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17588900" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Animals, Genetically Modified ; Cell Death/drug effects ; Cell Line, Tumor ; Cells, Cultured ; Disease Models, Animal ; Dopamine/physiology ; Dose-Response Relationship, Drug ; Drosophila melanogaster ; Furans/*pharmacology ; Humans ; Models, Molecular ; Neurons/cytology/drug effects ; Parkinson Disease/*drug therapy/metabolism/pathology/*physiopathology ; Protein Conformation ; Quinolines/*pharmacology ; RNA, Small Interfering/genetics ; Rats ; Sirtuin 1 ; Sirtuin 2 ; Sirtuins/*antagonists & inhibitors/chemistry/genetics/*metabolism ; Transfection ; Tubulin/metabolism ; alpha-Synuclein/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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  • 4
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    Yeast reveal a "druggable" Rsp5/Nedd4 network that ameliorates alpha-synuclein toxicity in neurons (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-26
    Description: alpha-Synuclein (alpha-syn) is a small lipid-binding protein implicated in several neurodegenerative diseases, including Parkinson's disease, whose pathobiology is conserved from yeast to man. There are no therapies targeting these underlying cellular pathologies, or indeed those of any major neurodegenerative disease. Using unbiased phenotypic screens as an alternative to target-based approaches, we discovered an N-aryl benzimidazole (NAB) that strongly and selectively protected diverse cell types from alpha-syn toxicity. Three chemical genetic screens in wild-type yeast cells established that NAB promoted endosomal transport events dependent on the E3 ubiquitin ligase Rsp5/Nedd4. These same steps were perturbed by alpha-syn itself. Thus, NAB identifies a druggable node in the biology of alpha-syn that can correct multiple aspects of its underlying pathology, including dysfunctional endosomal and endoplasmic reticulum-to-Golgi vesicle trafficking.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3993916/" 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/PMC3993916/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tardiff, Daniel F -- Jui, Nathan T -- Khurana, Vikram -- Tambe, Mitali A -- Thompson, Michelle L -- Chung, Chee Yeun -- Kamadurai, Hari B -- Kim, Hyoung Tae -- Lancaster, Alex K -- Caldwell, Kim A -- Caldwell, Guy A -- Rochet, Jean-Christophe -- Buchwald, Stephen L -- Lindquist, Susan -- 5R01GM069530/GM/NIGMS NIH HHS/ -- F32GM099817/GM/NIGMS NIH HHS/ -- F32NS061419/NS/NINDS NIH HHS/ -- GM58160/GM/NIGMS NIH HHS/ -- K01 AG038546/AG/NIA NIH HHS/ -- R01 GM058160/GM/NIGMS NIH HHS/ -- R15 NS075684/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 22;342(6161):979-83. doi: 10.1126/science.1245321. Epub 2013 Oct 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research (WIBR), Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24158909" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzimidazoles/chemistry/*pharmacology ; Caenorhabditis elegans ; Cells, Cultured ; *Cytoprotection ; Drug Evaluation, Preclinical ; Endosomal Sorting Complexes Required for Transport/*genetics ; Gene Regulatory Networks/*drug effects ; Neurodegenerative Diseases/*metabolism ; Neurons/*drug effects/metabolism ; Neuroprotective Agents/*pharmacology ; Parkinson Disease/metabolism ; Rats ; Saccharomyces cerevisiae/drug effects ; Saccharomyces cerevisiae Proteins/*genetics ; Small Molecule Libraries/chemistry/pharmacology ; Ubiquitin-Protein Ligase Complexes/*genetics ; Ubiquitin-Protein Ligases/*genetics ; alpha-Synuclein/*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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  • 5
    Electronic Resource
    Electronic Resource
    Price regulation in insurance markets with asymmetric information
    Amsterdam : Elsevier
    Economics Letters 24 (1987), S. 327-329 
    Details
    ISSN: 0165-1765
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0165-1765(87)90065-6
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Some reflections on insurance pricing
    Amsterdam : Elsevier
    European Economic Review 31 (1987), S. 863-885 
    Details
    ISSN: 0014-2921
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-2921(87)90004-3
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  • 7
    Electronic Resource
    Electronic Resource
    Capital requirements and the behaviour of commercial banks
    Amsterdam : Elsevier
    European Economic Review 36 (1992), S. 1137-1170 
    Details
    ISSN: 0014-2921
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-2921(92)90051-W
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  • 8
    Electronic Resource
    Electronic Resource
    Some recent results in bargaining theory
    Amsterdam : Elsevier
    European Economic Review 31 (1987), S. 326-335 
    Details
    ISSN: 0014-2921
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-2921(87)90047-X
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  • 9
    Electronic Resource
    Electronic Resource
    (De)stabilizing speculation on futures markets - An alternative view point
    Amsterdam : Elsevier
    European Economic Review 37 (1993), S. 1043-1063 
    Details
    ISSN: 0014-2921
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-2921(93)90108-M
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  • 10
    Electronic Resource
    Electronic Resource
    Bilateral monopoly with imperfect information
    Amsterdam : Elsevier
    Journal of Economic Theory 36 (1985), S. 214-236 
    Details
    ISSN: 0022-0531
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0022-0531(85)90103-6
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