Research Topics
Genomes and Genes | Judith KlumpermanSummaryAffiliation: University Medical Center Utrecht Country: The Netherlands Publications
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Detail Information
Publications
Imaging and imagination: understanding the endo-lysosomal systemEline van Meel
Cell Microscopy Center, Department of Cell Biology, University Medical Center Utrecht, Heidelberglaan 100, Utrecht, The Netherlands
Histochem Cell Biol 129:253-66. 2008..Throughout our review, we highlight some examples in the literature showing how imaging, especially electron microscopy, has made major contributions to our understanding of the endo-lysosomal system today...
Presenilin-1-mediated retention of APP derivatives in early biosynthetic compartmentsMarloes Réchards
Cell Microscopy Center, Department of Cell Biology, University Medical Center and Institute for Biomembranes, 3584 CX Utrecht, The Netherlands
Traffic 7:354-64. 2006..Malfunctioning of PS-1 in this role may have important consequences for the progress of AD...
SNX1 defines an early endosomal recycling exit for sortilin and mannose 6-phosphate receptorsMuriel Mari
Cell Microscopy Center, Department of Cell Biology, Institute of Biomembranes, University Medical Centre UMC Utrecht, AZU Rm G02 525, 3584 CX Utrecht, The Netherlands
Traffic 9:380-93. 2008..Our data emphasize an important role of EEs in recycling to the TGN and indicate that different, specialized exit events occur on the same EE vacuole...
Immuno-electron tomography of ER exit sites reveals the existence of free COPII-coated transport carriersDagmar Zeuschner
Department of Cell Biology, Institute of Biomembranes, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
Nat Cell Biol 8:377-83. 2006..Our studies unambiguously establish the existence of free, bona fide COPII-coated transport carriers at the ER-Golgi interface, suggesting that assembly of COPII coats in vivo can result in vesicle formation...
Presenilin-1 exists in both pre- and post-Golgi compartments and recycles via COPI-coated membranesMarloes Réchards
Department of Cell Biology, University Medical Center and Institute for Biomembranes, Center for Biomedical Genetics, Utrecht University, 3584 CX Utrecht, The Netherlands
Traffic 4:553-65. 2003....
Glycosylation is important for cell surface expression of the water channel aquaporin-2 but is not essential for tetramerization in the endoplasmic reticulumGiel Hendriks
Department of Cell Biology, University Medical Center Utrecht, Utrecht 3584 CX, The Netherlands
J Biol Chem 279:2975-83. 2004..These results are important for understanding the molecular mechanisms responsible for the intracellular retention of AQP2 in nephrogenic diabetes insipidus...
ATPase-deficient hVPS4 impairs formation of internal endosomal vesicles and stabilizes bilayered clathrin coats on endosomal vacuolesMartin Sachse
Department of Cell Biology, University Medical Center and Institute for Biomembranes, 3584 CX Utrecht, The Netherlands
J Cell Sci 117:1699-708. 2004..Moreover, our data suggest that disassembly of the coat is required for the formation of internal vesicles...
Disruption of the Man-6-P targeting pathway in mice impairs osteoclast secretory lysosome biogenesisEline van Meel
Department of Cell Biology, University Medical Center, Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
Traffic 12:912-24. 2011..However, cathepsin D targeting was intact, showing that osteoclasts have a Man-6-P-independent pathway for selected acid hydrolases...
Rab4 function in membrane recycling from early endosomes depends on a membrane to cytoplasm cycleKarin Mohrmann
Department of Cell Biology, University Medical Center Utrecht and Institute of Biomembranes, Utrecht 3584 CX, The Netherlands
J Biol Chem 277:32029-35. 2002..We show here, using a rab4 construct that is permanently hooked onto membranes, that the membrane-bound pool of rab4 is targeted by a mitotic kinase...
Opinion: The maturing role of COPI vesicles in intra-Golgi transportCatherine Rabouille
The Cell Microscopy Center, Department of Cell Biology and Institute of Biomembranes, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
Nat Rev Mol Cell Biol 6:812-7. 2005..Recently, their role has been challenged again, and we discuss new data that both confirm and modify our view of these carriers...
Correlative light-electron microscopy (CLEM) combining live-cell imaging and immunolabeling of ultrathin cryosectionsCarolien van Rijnsoever
Cell Microscopy Center, Department of Cell Biology and Institute of Biomembranes, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
Nat Methods 5:973-80. 2008
A novel flat-embedding method to prepare ultrathin cryosections from cultured cells in their in situ orientationViola Oorschot
Department of Cell Biology and Institute for Biomembranes, University Medical Center, Utrecht, The Netherlands
J Histochem Cytochem 50:1067-80. 2002..Subsequently, sections can be prepared in parallel or perpendicular to the plane of growth. Our method extends the cryosectioning technique to applications in studying polarized cells and correlative light-electron microscopy...
Egfl7 knockdown causes defects in the extension and junctional arrangements of endothelial cells during zebrafish vasculogenesisAnn De Mazière
Cell Microscopy Center, Department of Cell Biology, University Medical Center Utrecht and Institute for Biomembranes, Utrecht, Netherlands
Dev Dyn 237:580-91. 2008..These data suggest that Egfl7 provides ECs with a cue for their extension into the vascular area and in establishing EC cell polarity...
The RapGEF PDZ-GEF2 is required for maturation of cell-cell junctionsNadia Dubé
Department of Physiological Chemistry, Centre for Biomedical Genetics and Cancer Genomics Centre, Utrecht, The Netherlands
Cell Signal 20:1608-15. 2008..Our results present the first direct evidence that PDZ-GEF2 plays a critical role in the maturation of adherens junctions...
Trafficking and function of the tetraspanin CD63Maaike S Pols
Cell Microscopy Center, Department of Cell Biology and Institute of Biomembranes, University Medical Center Utrecht, Heidelberglaan 100, 3584CX Utrecht, The Netherlands
Exp Cell Res 315:1584-92. 2009..In this review we discuss the latest insights in CD63 trafficking and its emerging function as a transport regulator of its interaction partners. Finally, the involvement of CD63 in cancer will be discussed...
Bilayered clathrin coats on endosomal vacuoles are involved in protein sorting toward lysosomesMartin Sachse
Department of Cell Biology, University Medical Center Utrecht and Institute of Biomembranes, 3584 CX Utrecht, The Netherlands
Mol Biol Cell 13:1313-28. 2002..Together, these data suggest a role for the bilayered clathrin coat on vacuolar endosomes in targeting of proteins to lysosomes...
