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  • 1
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    Endophilin marks and controls a clathrin-independent endocytic pathway (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-12-18
    Description: Endocytosis is required for internalization of micronutrients and turnover of membrane components. Endophilin has been assigned as a component of clathrin-mediated endocytosis. Here we show in mammalian cells that endophilin marks and controls a fast-acting tubulovesicular endocytic pathway that is independent of AP2 and clathrin, activated upon ligand binding to cargo receptors, inhibited by inhibitors of dynamin, Rac, phosphatidylinositol-3-OH kinase, PAK1 and actin polymerization, and activated upon Cdc42 inhibition. This pathway is prominent at the leading edges of cells where phosphatidylinositol-3,4-bisphosphate-produced by the dephosphorylation of phosphatidylinositol-3,4,5-triphosphate by SHIP1 and SHIP2-recruits lamellipodin, which in turn engages endophilin. This pathway mediates the ligand-triggered uptake of several G-protein-coupled receptors such as alpha2a- and beta1-adrenergic, dopaminergic D3 and D4 receptors and muscarinic acetylcholine receptor 4, the receptor tyrosine kinases EGFR, HGFR, VEGFR, PDGFR, NGFR and IGF1R, as well as interleukin-2 receptor. We call this new endocytic route fast endophilin-mediated endocytosis (FEME).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boucrot, Emmanuel -- Ferreira, Antonio P A -- Almeida-Souza, Leonardo -- Debard, Sylvain -- Vallis, Yvonne -- Howard, Gillian -- Bertot, Laetitia -- Sauvonnet, Nathalie -- McMahon, Harvey T -- U105178805/Medical Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2015 Jan 22;517(7535):460-5. doi: 10.1038/nature14067. Epub 2014 Dec 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK [2] Institute of Structural and Molecular Biology, University College London &Birkbeck College, London WC1E 6BT, UK. ; Institute of Structural and Molecular Biology, University College London &Birkbeck College, London WC1E 6BT, UK. ; MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK. ; 1] Institute of Structural and Molecular Biology, University College London &Birkbeck College, London WC1E 6BT, UK [2] Department of Biology, Ecole Normale Superieure de Cachan, 94235 Cachan, France. ; Institut Pasteur, Unite de Pathogenie Moleculaire Microbienne, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25517094" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Acyltransferases/*metabolism ; Cell Line ; Clathrin ; Dynamins/metabolism ; *Endocytosis ; Humans ; Ligands ; Phosphatidylinositol Phosphates/metabolism ; Pseudopodia/metabolism ; Receptor Protein-Tyrosine Kinases/metabolism ; Receptors, G-Protein-Coupled/metabolism ; Receptors, Interleukin-2/metabolism ; Signal Transduction ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Membrane trafficking. Nucleoside diphosphate kinases fuel dynamin superfamily proteins with GTP for membrane remodeling (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-06-28
    Description: Dynamin superfamily molecular motors use guanosine triphosphate (GTP) as a source of energy for membrane-remodeling events. We found that knockdown of nucleoside diphosphate kinases (NDPKs) NM23-H1/H2, which produce GTP through adenosine triphosphate (ATP)-driven conversion of guanosine diphosphate (GDP), inhibited dynamin-mediated endocytosis. NM23-H1/H2 localized at clathrin-coated pits and interacted with the proline-rich domain of dynamin. In vitro, NM23-H1/H2 were recruited to dynamin-induced tubules, stimulated GTP-loading on dynamin, and triggered fission in the presence of ATP and GDP. NM23-H4, a mitochondria-specific NDPK, colocalized with mitochondrial dynamin-like OPA1 involved in mitochondria inner membrane fusion and increased GTP-loading on OPA1. Like OPA1 loss of function, silencing of NM23-H4 but not NM23-H1/H2 resulted in mitochondrial fragmentation, reflecting fusion defects. Thus, NDPKs interact with and provide GTP to dynamins, allowing these motor proteins to work with high thermodynamic efficiency.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4601533/" 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/PMC4601533/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boissan, Mathieu -- Montagnac, Guillaume -- Shen, Qinfang -- Griparic, Lorena -- Guitton, Jerome -- Romao, Maryse -- Sauvonnet, Nathalie -- Lagache, Thibault -- Lascu, Ioan -- Raposo, Graca -- Desbourdes, Celine -- Schlattner, Uwe -- Lacombe, Marie-Lise -- Polo, Simona -- van der Bliek, Alexander M -- Roux, Aurelien -- Chavrier, Philippe -- 311536/European Research Council/International -- New York, N.Y. -- Science. 2014 Jun 27;344(6191):1510-5. doi: 10.1126/science.1253768.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Curie, Research Center, Paris, France. Membrane and Cytoskeleton Dynamics, CNRS UMR 144, Paris, France. Universite Pierre et Marie Curie, University Paris 06, Paris, France. Saint-Antoine Research Center, INSERM UMR-S 938, Paris, France. mathieu.boissan@inserm.fr philippe.chavrier@curie.fr. ; Institut Curie, Research Center, Paris, France. Membrane and Cytoskeleton Dynamics, CNRS UMR 144, Paris, France. ; Department of Biological Chemistry, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, USA. ; Hospices Civils de Lyon, Pierre Benite, France. Universite de Lyon, Lyon, France. ; Institut Curie, Research Center, Paris, France. Structure and Membrane Compartments, CNRS UMR 144, Paris, France. ; Institut Pasteur, Unite de Biologie des Interactions Cellulaires, Paris, France. ; Quantitative Image Analysis Unit, Institut Pasteur, Paris, France. ; Institut de Biochimie et Genetique Cellulaires-CNRS, Universite Bordeaux 2, Bordeaux, France. ; Universite Grenoble Alpes, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France. Inserm, U1055, Grenoble, France. ; Universite Pierre et Marie Curie, University Paris 06, Paris, France. Saint-Antoine Research Center, INSERM UMR-S 938, Paris, France. ; IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan, Italy. Dipartimento di Scienze della Salute, Universita' degli Studi di Milano, Milan, Italy. ; Biochemistry Department, University of Geneva, & Swiss National Center for Competence in Research Program Chemical Biology, Geneva, Switzerland. ; Institut Curie, Research Center, Paris, France. Membrane and Cytoskeleton Dynamics, CNRS UMR 144, Paris, France. mathieu.boissan@inserm.fr philippe.chavrier@curie.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24970086" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Animals ; Cell Line ; Cell Membrane/*metabolism ; Coated Pits, Cell-Membrane/metabolism ; Dynamins/*metabolism ; Endocytosis ; GTP Phosphohydrolases/metabolism ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/*metabolism ; Humans ; Intracellular Membranes/metabolism ; Membrane Fusion ; Mitochondria/metabolism ; NM23 Nucleoside Diphosphate Kinases/genetics/*metabolism ; Nucleoside Diphosphate Kinase D/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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    Pullulanase: Model protein substrate for the general secretory pathway of gram-negative bacteria (1997)
    Springer
    Details
    Publication Date: 1997-06-01
    Print ISSN: 0015-5632
    Electronic ISSN: 1874-9356
    Topics: Biology
    Published by Springer
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