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  • 1
    Publication Date: 2015-06-05
    Description: The endoplasmic reticulum (ER) is the largest intracellular endomembrane system, enabling protein and lipid synthesis, ion homeostasis, quality control of newly synthesized proteins and organelle communication. Constant ER turnover and modulation is needed to meet different cellular requirements and autophagy has an important role in this process. However, its underlying regulatory mechanisms remain unexplained. Here we show that members of the FAM134 reticulon protein family are ER-resident receptors that bind to autophagy modifiers LC3 and GABARAP, and facilitate ER degradation by autophagy ('ER-phagy'). Downregulation of FAM134B protein in human cells causes an expansion of the ER, while FAM134B overexpression results in ER fragmentation and lysosomal degradation. Mutant FAM134B proteins that cause sensory neuropathy in humans are unable to act as ER-phagy receptors. Consistently, disruption of Fam134b in mice causes expansion of the ER, inhibits ER turnover, sensitizes cells to stress-induced apoptotic cell death and leads to degeneration of sensory neurons. Therefore, selective ER-phagy via FAM134 proteins is indispensable for mammalian cell homeostasis and controls ER morphology and turnover in mice and humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khaminets, Aliaksandr -- Heinrich, Theresa -- Mari, Muriel -- Grumati, Paolo -- Huebner, Antje K -- Akutsu, Masato -- Liebmann, Lutz -- Stolz, Alexandra -- Nietzsche, Sandor -- Koch, Nicole -- Mauthe, Mario -- Katona, Istvan -- Qualmann, Britta -- Weis, Joachim -- Reggiori, Fulvio -- Kurth, Ingo -- Hubner, Christian A -- Dikic, Ivan -- England -- Nature. 2015 Jun 18;522(7556):354-8. doi: 10.1038/nature14498. Epub 2015 Jun 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biochemistry II, Goethe University School of Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany. ; Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Kollegiengasse 10, 07743 Jena, Germany. ; 1] Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands [2] Department of Cell Biology, University Medical Center Utrecht, University of Groningen, Antonious Deusinglaan 1, 3713 AV Groningen, The Netherlands. ; Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Riedberg Campus, Max-von-Laue-Strasse 15, 60438 Frankfurt am Main, Germany. ; Electron Microscopy Center, Jena University Hospital, Friedrich-Schiller-University Jena, Ziegelmuhlenweg 1, 07743 Jena, Germany. ; Institute for Biochemistry I, Jena University Hospital, Friedrich-Schiller-University Jena, 07743 Jena, Germany. ; Institute of Neuropathology, RWTH Aachen University Hospital, Pauwelsstr. 30, 52074 Aachen, Germany. ; 1] Institute of Biochemistry II, Goethe University School of Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany [2] Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Riedberg Campus, Max-von-Laue-Strasse 15, 60438 Frankfurt am Main, Germany [3] Institute of Immunology, School of Medicine University of Split, Mestrovicevo setaliste bb, 21 000 Split, Croatia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26040720" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Animals ; Apoptosis ; Autophagy/*physiology ; Biomarkers/metabolism ; Cell Line ; Endoplasmic Reticulum/chemistry/*metabolism ; Female ; Gene Deletion ; Humans ; Lysosomes/metabolism ; Male ; Membrane Proteins/deficiency/genetics/*metabolism ; Mice ; Microtubule-Associated Proteins/metabolism ; Neoplasm Proteins/deficiency/genetics/*metabolism ; Phagosomes/metabolism ; Protein Binding ; Sensory Receptor Cells/metabolism/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 338 (1996), S. 89-91 
    ISSN: 0941-1216
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2001-01-01
    Print ISSN: 1420-682X
    Electronic ISSN: 1420-9071
    Topics: Biology , Medicine
    Published by Springer
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