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  • 1
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    A bacterial metabolite induces glutathione-tractable proteostatic damage, proteasomal disturbances, and PINK1-dependent autophagy in C. elegans (2015)
    Springer Nature
    Details
    Publication Date: 2015-10-16
    Description: A bacterial metabolite induces glutathione-tractable proteostatic damage, proteasomal disturbances, and PINK1-dependent autophagy in C. elegans Cell Death and Disease 6, e1908 (October 2015). doi:10.1038/cddis.2015.270 Authors: B A Martinez, H Kim, A Ray, G A Caldwell & K A Caldwell
    Electronic ISSN: 2041-4889
    Topics: Biology , Medicine
    Published by Springer Nature
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  • 2
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    Mitochondrial dysfunction, oxidative stress, and neurodegeneration elicited by a bacterial metabolite in a C. elegans Parkinson’s model (2014)
    Springer Nature
    Details
    Publication Date: 2014-01-10
    Description: Mitochondrial dysfunction, oxidative stress, and neurodegeneration elicited by a bacterial metabolite in a C. elegans Parkinson’s model Cell Death and Disease 5, e984 (January 2014). doi:10.1038/cddis.2013.513 Authors: A Ray, B A Martinez, L A Berkowitz, G A Caldwell & K A Caldwell
    Keywords: ROSdopamineneurotoxinStreptomyces
    Electronic ISSN: 2041-4889
    Topics: Biology , Medicine
    Published by Springer Nature
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  • 3
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    Calcineurin is critical for {alpha}-synuclein toxicity [Cell Biology] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-08-27
    Description: Calcineurin (CN) is a highly conserved Ca2+–calmodulin (CaM)-dependent phosphatase that senses Ca2+ concentrations and transduces that information into cellular responses. Ca2+ homeostasis is disrupted by α-synuclein (α-syn), a small lipid binding protein whose misfolding and accumulation is a pathological hallmark of several neurodegenerative diseases. We report that α-syn, from yeast...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 4
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    Clioquinol promotes A{beta} oligomer degradation [Biochemistry] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-03-19
    Description: Alzheimer’s disease (AD) is a common, progressive neurodegenerative disorder without effective disease-modifying therapies. The accumulation of amyloid-β peptide (Aβ) is associated with AD. However, identifying new compounds that antagonize the underlying cellular pathologies caused by Aβ has been hindered by a lack of cellular models amenable to high-throughput chemical screening....
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
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    Phosphatidylethanolamine and {alpha}-syn homeostasis [Biochemistry] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-09-24
    Description: Phosphatidylserine decarboxylase, which is embedded in the inner mitochondrial membrane, synthesizes phosphatidylethanolamine (PE) and, in some cells, synthesizes the majority of this important phospholipid. Normal levels of PE can decline with age in the brain. Here we used yeast and worms to test the hypothesis that low levels of PE...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 6
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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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  • 7
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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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  • 8
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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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  • 9
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    Identification of novel ATP13A2 interactors and their role in {alpha}-synuclein misfolding and toxicity (2012)
    Oxford University Press
    Details
    Publication Date: 2012-08-07
    Description: Lysosomes are responsible for degradation and recycling of bulky cell material, including accumulated misfolded proteins and dysfunctional organelles. Increasing evidence implicates lysosomal dysfunction in several neurodegenerative disorders, including Parkinson's disease and related synucleinopathies, which are characterized by the accumulation of α-synuclein (α-syn) in Lewy bodies. Studies of lysosomal proteins linked to neurodegenerative disorders present an opportunity to uncover specific molecular mechanisms and pathways that contribute to neurodegeneration. Loss-of-function mutations in a lysosomal protein, ATP13A2 (PARK9), cause Kufor–Rakeb syndrome that is characterized by early-onset parkinsonism, pyramidal degeneration and dementia . While loss of ATP13A2 function plays a role in α-syn misfolding and toxicity, the normal function of ATP13A2 in the brain remains largely unknown. Here, we performed a screen to identify ATP13A2 interacting partners, as a first step toward elucidating its function. Utilizing a split-ubiquitin membrane yeast two-hybrid system that was developed to identify interacting partners of full-length integral membrane proteins, we identified 43 novel interactors that primarily implicate ATP13A2 in cellular processes such as endoplasmic reticulum (ER) translocation, ER-to-Golgi trafficking and vesicular transport and fusion. We showed that a subset of these interactors modified α-syn aggregation and α-syn-mediated degeneration of dopaminergic neurons in Caenorhabditis elegans , further suggesting that ATP13A2 and α-syn are functionally linked in neurodegeneration. These results implicate ATP13A2 in vesicular trafficking and provide a platform for further studies of ATP13A2 in neurodegeneration.
    Print ISSN: 0964-6906
    Electronic ISSN: 1460-2083
    Topics: Biology , Medicine
    Published by Oxford University Press
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  • 10
    Electronic Resource
    Electronic Resource
    Autolytic activity in aqueous extracts of chicken skeletal muscle (1970)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 18 (1970), S. 276-279 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60168a013
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    Paper (German National Licenses)
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