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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/59112
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dc.contributor.authorMora, Jaume-
dc.contributor.authorRodríguez, Eva-
dc.contributor.authorTorres, Carmen de-
dc.contributor.authorCardesa, Teresa-
dc.contributor.authorRíos, José-
dc.contributor.authorGrebel, E.K.-
dc.contributor.authorHernández, Mª Teresa-
dc.contributor.authorCardesa, Antonio-
dc.contributor.authorÁlava, Enrique de-
dc.date.accessioned2012-10-29T14:03:33Z-
dc.date.available2012-10-29T14:03:33Z-
dc.date.issued2012-
dc.identifierissn: 1545-5009-
dc.identifiere-issn: 1545-5017-
dc.identifier.citationPediatric Blood and Cancer 58(4): 532-538 (2012)-
dc.identifier.urihttp://hdl.handle.net/10261/59112-
dc.description7 páginas, 4 figuras, 1 tabla.-- et al.-
dc.description.abstract[Background]: In Ewing sarcoma (EWS) most of the research on signaling pathways has been performed on cell lines or animal models. The objective of the current study was to determine the relation between clinical outcome and the expression of proteins involved in active growth signaling pathways. [Methods]: A paraffin-embedded microarray of 45 human primary EWS tissue specimens was stained with the antibodies against c-KIT, AKT, p-AKT, p-mTOR, IGF-1R, IGFBP-3, MAPK, p27 KIP1, and p70S6 kinase. Immunohistochemical staining was correlated with patient overall survival (OS). [Results]: In the univariate analysis 3 variables showed statistical significance to predict survival: presence of metastasis, p-mTOR, and p27 KIP1. A positive stain for p-mTOR (hazard ratio of 4.74 [95% CI (57, 121)]) was significantly (log-rank test with a P=0.029) associated with better OS. Also, a positive stain for p27 KIP1 (hazard ratio of 6.87 [95% CI (77, 136)] was significantly (log-rank test with a P=0.009) associated with better OS. Multivariate analysis showed metastasis (HR: 4.3; 95% CI: 0.99, 19; P=0.05), p-mTOR (HR: 4.8 with 95% CI: 0.6, 38; P=0.13) and p27 (HR: 5.3; 95% CI: 1.37, 20; P=0.01) as independent prognostic factors of outcome. [Conclusions]: In our series, p-mTOR and p27 KIP1 protein overexpression were independently associated with better survival. © 2011 Wiley Periodicals, Inc.-
dc.description.sponsorshipGrant sponsor: Ministry of Science and Innovation of Spain-FEDER; Grant numbers: PI081828, RD06/0020/0059. The Developmental Tumor Biology Laboratory, Hospital Sant Joan de Déu, was supported by the generous donations from Margarita del Pozo and Alicia Pueyo Foundations. Centro de Investigación del Cáncer-IBMCC was supported by the Ministry of Science and Innovation of Spain-FEDER (PI081828, RD06/ 0020/0059).-
dc.language.isoeng-
dc.publisherWiley-Blackwell-
dc.rightsclosedAccess-
dc.titleActivated growth signaling pathway expression in Ewing sarcoma and clinical outcome-
dc.typeartículo-
dc.identifier.doi10.1002/pbc.23348-
dc.date.updated2012-10-29T14:03:34Z-
dc.description.versionPeer Reviewed-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.grantfulltextnone-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
item.languageiso639-1en-
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