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dc.contributor.author | García-Alegría, Eva | - |
dc.contributor.author | Lafita, M. Carmen | - |
dc.contributor.author | Aguado, Rocío | - |
dc.contributor.author | García-Gutiérrez, Lucía | - |
dc.contributor.author | Sarnataro, Kyle | - |
dc.contributor.author | Ruiz-Herguido, Cristina | - |
dc.contributor.author | Martín, Francisco | - |
dc.contributor.author | Bigas, Anna | - |
dc.contributor.author | Cañelles, Matilde | - |
dc.contributor.author | León, Javier | - |
dc.date.accessioned | 2018-05-08T13:01:15Z | - |
dc.date.available | 2018-05-08T13:01:15Z | - |
dc.date.issued | 2016 | - |
dc.identifier | doi: 10.1016/j.canlet.2016.02.037 | - |
dc.identifier | e-issn: 1872-7980 | - |
dc.identifier | issn: 0304-3835 | - |
dc.identifier.citation | Cancer Letters 375(1): 92-99 (2016) | - |
dc.identifier.uri | http://hdl.handle.net/10261/164562 | - |
dc.description.abstract | Chronic myeloid leukemia (CML) progresses from a chronic to a blastic phase, where the leukemic cells are proliferative and undifferentiated. The CML is nowadays successfully treated with BCR-ABL kinase inhibitors as imatinib and its derivatives. NUMB is an evolutionary well-conserved protein initially described as a functional antagonist of NOTCH function. NUMB is an endocytic protein associated with receptor internalization, involved in multiple cellular functions. It has been reported that MSI2 protein, a NUMB inhibitor, is upregulated in CML blast crisis, whereas NUMB itself is downregulated. This suggest that NUMB plays a role in the malignant progression of CML. Here we have generated K562 cells (derived from CML in blast crisis) constitutively expressing a dominant negative form of NUMB (dnNUMB). We show that dnNUMB expression confers a high proliferative phenotype to the cells. Importantly, dnNUMB triggers a partial resistance to imatinib in these cells, antagonizing the apoptosis mediated by the drug. Interestingly, imatinib resistance is not linked to p53 status or NOTCH signaling, as K562 lack p53 and imatinib resistance is reproduced in the presence of NOTCH inhibitors. Taken together, our data support the hypothesis that NUMB activation could be a new therapeutic target in CML. | - |
dc.description.sponsorship | The work was supported by grants SAF2014-53526 (to JL), BFU2007-67476 and BFU2010-21634 (to MC) from Spanish Ministry of Economy and Competitiveness (MINECO), and RD12/0036/0033 (to JL), RD12/0036/0054 (to AB) and RD12/0019/0006 and PI12/01097 (to FM) from Instituto Carlos III, and grant PI-57069 from CICE, FEDER/Fondo de Cohesion Europeo (FSE) de Andalucía 2007–2013 (to FM). The funding from MINECO and Instituto Carlos III was co-sponsored by the European Union FEDER program. EGA was supported with a JAE-doc contract form CSIC, MCL-N was supported by the FPU program from MINECO and LG-G. We thank Rosa Blanco for excellent technical advice by the FPI program from MINECO. | - |
dc.publisher | Elsevier | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SAF2014-53526-R | - |
dc.relation.isversionof | Postprint | - |
dc.rights | openAccess | - |
dc.title | NUMB inactivation confers resistance to imatinib in chronic myeloid leukemia cells | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.canlet.2016.02.037 | - |
dc.relation.publisherversion | https://doi.org/10.1016/j.canlet.2016.02.037 | - |
dc.date.updated | 2018-05-08T13:01:15Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.contributor.funder | Junta de Andalucía | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | Instituto de Salud Carlos III | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004587 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011011 | es_ES |
dc.identifier.pmid | 26944313 | - |
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: | (IBBTEC) Artículos |
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NUMBcells.pdf | 596,07 kB | Adobe PDF | Visualizar/Abrir |
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