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http://hdl.handle.net/10261/169355
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dc.contributor.author | Gerboth, S. | - |
dc.contributor.author | Frittoli, E. | - |
dc.contributor.author | Palamidessi, A. | - |
dc.contributor.author | Baltanás, Fernando C. | - |
dc.contributor.author | Salek, M. | - |
dc.contributor.author | Rappsilber, J. | - |
dc.contributor.author | Giuliani, C. | - |
dc.contributor.author | Troglio, F. | - |
dc.contributor.author | Rolland, Y. | - |
dc.contributor.author | Pruneri, G. | - |
dc.contributor.author | Kreutmair, S. | - |
dc.contributor.author | Pallavicini, I. | - |
dc.contributor.author | Zobel, M. | - |
dc.contributor.author | Cinquanta, M. | - |
dc.contributor.author | Minucci, S. | - |
dc.contributor.author | Gómez, Carmela | - |
dc.contributor.author | Illert, A.L. | - |
dc.contributor.author | Scita, G. | - |
dc.date.accessioned | 2018-09-03T11:47:16Z | - |
dc.date.available | 2018-09-03T11:47:16Z | - |
dc.date.issued | 2018 | - |
dc.identifier | doi: 10.1038/leu.2017.267 | - |
dc.identifier | e-issn: 1476-5551 | - |
dc.identifier | issn: 0887-6924 | - |
dc.identifier.citation | Leukemia 32(3): 820-827 (2018) | - |
dc.identifier.uri | http://hdl.handle.net/10261/169355 | - |
dc.description.abstract | Son of Sevenless 1 (SOS1) is a dual guanine nucleotide exchange factor (GEF) that activates the small GTPases RAC and RAS. Although the molecular mechanisms of RAS GEF catalysis have been unveiled, how SOS1 acquires RAC GEF activity and what is the physio-pathological relevance of this activity is much less understood. Here we show that SOS1 is tyrosine phosphorylated on Y1196 by ABL. Phosphorylation of Y1196 controls SOS1 inter-molecular interaction, is required to promote the exchange of nucleotides on RAC in vitro and for platelet-derived growth factor (PDGF) activation of RAC- and RAC-dependent actin remodeling and cell migration. SOS1 is also phosphorylated on Y1196 by BCR-ABL in chronic myelogenous leukemic cells. Importantly, in these cells, SOS1 is required for BCR-ABL-mediated activation of RAC, cell proliferation and transformation in vitro and in a xenograft mouse model. Finally, genetic removal of Sos1 in the bone marrow-derived cells (BMDCs) from Sos1 fl/fl mice and infected with BCR-ABL causes a significant delay in the onset of leukemogenesis once BMDCs are injected into recipient, lethally irradiated mice. Thus, SOS1 is required for full transformation and critically contribute to the leukemogenic potential of BCR-ABL. | - |
dc.description.sponsorship | This work has been supported by the Associazione Italiana per la Ricerca sul Cancro (AIRC 10168 and 18621), the Italian Ministries of Education- University-Research (MIUR-PRIN-2009X23L78), the International Association For Cancer Research (AICR-09-0582 and 14-0335), the CARIPLO Foundation (2010-0737) and the European Research Council (Advanced-ERC268836). ALI was supported by a Grant from der German Jose Carreras Stiftung (DJCLS R14/22) and a Grant from the Government Baden-Württemberg (MWK). CM was supported form a AECC fellowship, Spain. | - |
dc.publisher | Nature Publishing Group | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/268836 | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Phosphorylation of SOS1 on tyrosine 1196 promotes its RAC GEF activity and contributes to BCR-ABL leukemogenesis | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1038/leu.2017.267 | - |
dc.relation.publisherversion | https://doi.org/10.1038/leu.2017.267 | - |
dc.date.updated | 2018-09-03T11:47:16Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.contributor.funder | Asociación Española Contra el Cáncer | - |
dc.contributor.funder | Ministry of Science, Research and Art Baden-Württemberg | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | European Research Council | - |
dc.contributor.funder | Josep Carreras Leukemia Foundation | - |
dc.contributor.funder | Associazione Italiana per la Ricerca sul Cancro | - |
dc.contributor.funder | Fondazione Cariplo | - |
dc.contributor.funder | Association for International Cancer Research | - |
dc.contributor.funder | Ministero dell'Istruzione, dell'Università e della Ricerca | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/100004435 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003407 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002803 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100005010 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003542 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100005677 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000781 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.pmid | 28819285 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
Aparece en las colecciones: | (IBMCC) Artículos |
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phospleuke.pdf | 820,01 kB | Adobe PDF | Visualizar/Abrir |
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