Research Topics
Genomes and Genes | G ScitaSummaryAffiliation: European Institute of Oncology Country: Italy Publications
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Detail Information
Publications
Signaling from Ras to Rac and beyond: not just a matter of GEFsG Scita
Department of Experimental Oncology, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
EMBO J 19:2393-8. 2000....
Eps8 in the midst of GTPasesPier Paolo Di Fiore
Department of Experimental Oncology, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
Int J Biochem Cell Biol 34:1178-83. 2002..Thus, depending on its engagement in different complexes, Eps8 participates to EGFR signaling through Rac and endocytosis through Rab5...
An effector region in Eps8 is responsible for the activation of the Rac-specific GEF activity of Sos-1 and for the proper localization of the Rac-based actin-polymerizing machineG Scita
Department of Experimental Oncology, European Institute of Oncology, 20141 Milan, Italy
J Cell Biol 154:1031-44. 2001..In this complex, determinants of Eps8 are responsible for the proper localization of the Rac-activating machine to sites of actin remodeling...
The Eps8 protein coordinates EGF receptor signalling through Rac and trafficking through Rab5L Lanzetti
Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
Nature 408:374-7. 2000..Thus, depending on its state of association with E3b1 or RN-tre, Eps8 participates in both EGFR signalling through Rac, and trafficking through Rab5...
EPS8 and E3B1 transduce signals from Ras to RacG Scita
Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
Nature 401:290-3. 1999..We propose a model in which Eps8 mediates the transfer of signals between Ras and Rac, by forming a complex with E3b1 and Sos-1...
Eps8 controls actin-based motility by capping the barbed ends of actin filamentsAndrea Disanza
IFOM Istituto FIRC di Oncologia Molecolare Via Adamello 16, 20139, Milan, Italy
Nat Cell Biol 6:1180-8. 2004....
Palladin binds to Eps8 and enhances the formation of dorsal ruffles and podosomes in vascular smooth muscle cellsSilvia Goicoechea
Department of Cell and Molecular Physiology, University of North Carolina at Chapel Hill, NC, USA
J Cell Sci 119:3316-24. 2006....
WASP-related proteins, Abi1 and Ena/VASP are required for Listeria invasion induced by the Met receptorHelene Bierne
Unité des Interactions Bactéries Cellules, Institut Pasteur, INSERM U604, INRA USC2020, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
J Cell Sci 118:1537-47. 2005....
Abi1 is essential for the formation and activation of a WAVE2 signalling complexMetello Innocenti
IFOM Istituto FIRC di Oncologia Molecolare Via Adamello 16, 20134, Milan, Italy
Nat Cell Biol 6:319-27. 2004..Consistently, inhibition of Abi1 by RNA interference (RNAi) abrogates Rac-dependent lamellipodia protrusion. Thus, Abi1 orchestrates the proper assembly of the WAVE2 complex and mediates its activation at the leading edge in vivo...
The eps8 family of proteins links growth factor stimulation to actin reorganization generating functional redundancy in the Ras/Rac pathwayNina Offenhauser
The FIRC Institute for Molecular Oncology, 20134 Milan, Italy
Mol Biol Cell 15:91-8. 2004..Finally, the patterns of expression of eps8 and eps8L2 in mice are remarkably overlapping, thus providing a likely explanation for the lack of overt phenotype in eps8 null mice...
In silico analysis of the EPS8 gene family: genomic organization, expression profile, and protein structureArianna Tocchetti
Department of Medical Biochemistry, University of Goteborg, Sweden
Genomics 81:234-44. 2003..The data obtained will be instrumental in directing further experimental functional characterization of these genes...
Phosphoinositide 3-kinase activates Rac by entering in a complex with Eps8, Abi1, and Sos-1Metello Innocenti
Department of Experimental Oncology, European Institute of Oncology, 20141 Milan, Italy
J Cell Biol 160:17-23. 2003..Our results define a mechanism whereby propagation of signals, originating from RTKs or Ras and leading to actin reorganization, is controlled by direct physical interaction between PI3K and a Rac-specific GEF complex...
Mechanisms through which Sos-1 coordinates the activation of Ras and RacMetello Innocenti
Department of Experimental Oncology, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
J Cell Biol 156:125-36. 2002..Thus, the involvement of Sos-1 at two distinct and differentially regulated steps of the signaling cascade allows for coordinated activation of Ras and Rac and different duration of their signaling within the cell...
A novel actin barbed-end-capping activity in EPS-8 regulates apical morphogenesis in intestinal cells of Caenorhabditis elegansAssunta Croce
IFOM Istituto FIRC di Oncologia Molecolare, Via Adamello 16, 20139 Milan, Italy
Nat Cell Biol 6:1173-9. 2004..Therefore, nematode genetics allowed not only the unmasking of distinct EPS-8-linked phenotypes, but also the definition of a novel function for this molecule in actin dynamics...
Phosphoinositide 3-Kinase C2beta regulates cytoskeletal organization and cell migration via Rac-dependent mechanismsRoy M Katso
Ludwig Institute for Cancer Research, Royal Free and University College Hospital Medical School, London W1W 7BS, United Kingdom
Mol Biol Cell 17:3729-44. 2006..Taken together, these findings suggest that PI3KC2beta regulates the migration and survival of human tumor cells by distinct molecular mechanisms...
Increased ethanol resistance and consumption in Eps8 knockout mice correlates with altered actin dynamicsNina Offenhauser
Fondazione Istituto FIRC di Oncologia Molecolare, Via Adamello 16, 20139 Milan, Italy
Cell 127:213-26. 2006..In addition, Eps8 null neurons are resistant to the actin-remodeling activities of NMDA and ethanol. We propose that proper regulation of the actin cytoskeleton is a key determinant of cellular and behavioral responses to ethanol...
Regulation of cell shape by Cdc42 is mediated by the synergic actin-bundling activity of the Eps8-IRSp53 complexAndrea Disanza
Istituto FIRC di Oncologia Molecolare IFOM, Via Adamello 16, 20139, Milan, Italy
Nat Cell Biol 8:1337-47. 2006..Collectively, these results support a model whereby the synergic bundling activity of the IRSp53-Eps8 complex, regulated by Cdc42, contributes to the generation of actin bundles, thus promoting filopodial protrusions...
Sos-mediated activation of rac1 by p66shcFirdous A Khanday
Cardiovascular Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
J Cell Biol 172:817-22. 2006..This relationship between p66shc, grb2, and sos1 provides a novel mechanism for the activation of rac1...
Protein complexes regulating Arp2/3-mediated actin assemblyTheresia E B Stradal
Signalling and Motility Group, German Research Centre for Biotechnology GBF, Mascheroder Weg 1, D 38124 Braunschweig, Germany
Curr Opin Cell Biol 18:4-10. 2006....
Abi1 regulates the activity of N-WASP and WAVE in distinct actin-based processesMetello Innocenti
IFOM, Istituto FIRC di Oncologia Molecolare, Via Adamello 16, 20134, Milan, Italy
Nat Cell Biol 7:969-76. 2005..Thus, Abi1 is a dual regulator of WAVE and N-WASP activities in specific processes that are dependent on actin dynamics...
WAVE2 signaling mediates invasion of polarized epithelial cells by Salmonella typhimuriumJing Shi
Department of Cell Biology, University of Virginia Health Sciences Center, Charlottesville, 22908-0732, USA
J Biol Chem 280:29849-55. 2005..Although infection leads to the formation of an IRSp53/WAVE2 complex, it is the association of WAVE2 with the Abi1/Nap1/PIR121/HSPC300 complex that regulates bacterial internalization...
Regulation of actin dynamics by WASP and WAVE family proteinsTheresia E B Stradal
German Research Centre for Biotechnology, Department of Cell Biology, Mascheroder Weg 1, D-38124 Braunschweig, Germany
Trends Cell Biol 14:303-11. 2004
Rab5 is a signalling GTPase involved in actin remodelling by receptor tyrosine kinasesLetizia Lanzetti
Istituto Europeo di Oncologia, Via Ripamonti 435, 20141 Milan, Italy
Nature 429:309-14. 2004..This may aid crosslinking of actin fibres into actin networks at the plasma membrane. Thus, we have shown that Rab5 is a signalling GTPase and have elucidated the major molecular elements of its downstream pathway...
Sra-1 and Nap1 link Rac to actin assembly driving lamellipodia formationAnika Steffen
German Research Centre for Biotechnology, Department of Cell Biology, Braunschweig, Germany
EMBO J 23:749-59. 2004..Thus, Sra-1 and Nap1 are constitutive and essential components of a WAVE2- and Abi-1-containing complex linking Rac to site-directed actin assembly...
Novel roles of formin mDia2 in lamellipodia and filopodia formation in motile cellsChangsong Yang
PLoS Biol 5:e317. 2007..We propose that mDia2 plays an important role in formation of lamellipodia by nucleating and/or protecting from capping lamellipodial actin filaments, which subsequently exhibit high tendency to converge into filopodia...
