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dc.contributor.authorLara, Ester-
dc.contributor.authorCalvanese, Vincenzo-
dc.contributor.authorAguilera, Óscar-
dc.contributor.authorGonzález-Sancho, José Manuel-
dc.contributor.authorMuñoz Terol, Alberto-
dc.contributor.authorLópez-Otín, Carlos-
dc.contributor.authorEsteller, Manel-
dc.contributor.authorFraga, Mario F.-
dc.identifier.citationMolecular Cancer 9: 170 (2010)es_ES
dc.description9 páginas, 4 figuras.-- et al.es_ES
dc.description.abstract[Background]: Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. [Results]: Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. [Conclusions]: Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour.es_ES
dc.description.sponsorshipAM is funded by the Spanish Ministerio de Ciencia e Innovación (MICINN; SAF2007-60341, ISCIII-RETIC RD06/0020/0009), VC receives a fellowship from the Spanish FPU Research Programme, EL and CH are recipients of fellowships from the Spanish FIS Research Programme. The Instituto Universitario de Oncología is supported by Obra Social Cajastur, Spain. This work was supported by the MICINN (PI061267; PS09/02454; Ref. 200820I172).es_ES
dc.publisherBioMed Centrales_ES
dc.relation.isversionofPublisher’s version-
dc.titleEpigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon canceres_ES
dc.description.peerreviewedPeer reviewedes_ES
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