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ARF proteins: roles in membrane traffic and beyond
The ADP-ribosylation factor (ARF) small GTPases regulate vesicular traffic and organelle structure by recruiting coat proteins, regulating phospholipid metabolism and modulating the structure ofExpand
rab5 controls early endosome fusion in vitro
The small GTP-binding protein rab5 was previously localized on early endosomes and on the cytoplasmic face of the plasma membrane. Using a cell-free assay, we have now tested whether rab5 is involvedExpand
ARF6-Regulated Shedding of Tumor Cell-Derived Plasma Membrane Microvesicles
BACKGROUND Increased mitogen-activated protein kinase (MAPK) signaling, small GTPase activation, cytoskeletal rearrangements, and the directed targeting of proteases to sites of extracellular matrixExpand
Matrix invasion by tumour cells: a focus on MT1-MMP trafficking to invadopodia
When migrating away from a primary tumour, cancer cells interact with and remodel the extracellular matrix (ECM). Matrix metalloproteinases (MMPs), and in particular the transmembrane MT1-MMP (alsoExpand
Localization of low molecular weight GTP binding proteins to exocytic and endocytic compartments
A set of 11 clones encoding putative GTP binding proteins highly homologous to the yeast YPT1/SEC4 gene products have been isolated from an MDCK cell cDNA library. We localized three of theExpand
Segment-specific expression of a zinc-finger gene in the developing nervous system of the mouse
The process of segmentation, in which repeated homologous structures are generated along the anterior–posterior axis of the embryo is a widespread mechanism in animal development. In vertebrates,Expand
Collective migration of an epithelial monolayer in response to a model wound
Using an original microfabrication-based technique, we experimentally study situations in which a virgin surface is presented to a confluent epithelium with no damage made to the cells. AlthoughExpand
EFA6, a sec7 domain‐containing exchange factor for ARF6, coordinates membrane recycling and actin cytoskeleton organization
We have identified a human cDNA encoding a novel protein, exchange factor for ARF6 (EFA6), which contains Sec7 and pleckstrin homology domains. EFA6 promotes efficient guanine nucleotide exchange onExpand
The interaction of IQGAP1 with the exocyst complex is required for tumor cell invasion downstream of Cdc42 and RhoA
Invadopodia are actin-based membrane protrusions formed at contact sites between invasive tumor cells and the extracellular matrix with matrix proteolytic activity. Actin regulatory proteinsExpand
Golgi-localized GAP for Cdc42 functions downstream of ARF1 to control Arp2/3 complex and F-actin dynamics
The small GTP-binding ADP-ribosylation factor 1 (ARF1) acts as a master regulator of Golgi structure and function through the recruitment and activation of various downstream effectors. It has beenExpand
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