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dc.contributor.authorConesa Zamora, Pablo
dc.contributor.authorGarcía Solano, José
dc.contributor.authorTurpín, María del Carmen 
dc.contributor.authorSebastián León, Patricia
dc.contributor.authorTorres Moreno, Daniel
dc.contributor.authorEstrada, Eduardo
dc.contributor.authorTuomisto, Anne
dc.contributor.authorWilce, Jamie
dc.contributor.authorMäkinen, Markus J.
dc.contributor.authorPérez Guillermo, Miguel
dc.contributor.authorConesa, Ana
dc.date.accessioned2019-11-16T10:51:51Z
dc.date.available2019-11-16T10:51:51Z
dc.date.issued2015
dc.identifier.issn1868-7075spa
dc.identifier.urihttp://hdl.handle.net/10641/1734
dc.description.abstractBackground: Serrated adenocarcinoma (SAC) is a recently recognized colorectal cancer (CRC) subtype accounting for 7.5–8.7 % of CRCs. It has been shown that SAC has a worse prognosis and different histological and molecular features compared to conventional carcinoma (CC) but, to date, there is no study analysing its methylome profile. Results: The methylation status of 450,000 CpG sites using the Infinium Human Methylation 450 BeadChip array was investigated in 103 colorectal specimens, including 39 SACs and 34 matched CCs, from Spanish and Finnish patients. Microarray data showed a higher representation of morphogenesis-, neurogenesis-, cytoskeleton- and vesicle transport-related functions and also significant differential methylation of 15 genes, including the iodothyronine deiodinase DIO3 and the forkhead family transcription factor FOXD2 genes which were validated at the CpG, mRNA and protein level using pyrosequencing, methylation-specific PCR, quantitative polymerase chain reaction (qPCR) and immunohistochemistry. A quantification study of the methylation status of CpG sequences in FOXD2 demonstrated a novel region controlling gene expression. Moreover, differences in these markers were also evident when comparing SAC with CRC showing molecular and histological features of high-level microsatellite instability. Conclusions: This methylome study demonstrates distinct epigenetic regulation patterns in SAC which are consistent to previous expression profile studies and that DIO3 and FOXD2 might be molecular targets for a specific histologyoriented treatment of CRC.spa
dc.language.isoengspa
dc.publisherClinical Epigeneticsspa
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectSerrated carcinomaspa
dc.subjectColorectal cancerspa
dc.subjectMethylomespa
dc.subjectMicroarray analysisspa
dc.subjectPyrosequencingspa
dc.titleMethylome profiling reveals functions and genes which are differentially methylated in serrated compared to conventional colorectal carcinoma.spa
dc.typejournal articlespa
dc.type.hasVersionAMspa
dc.rights.accessRightsopen accessspa
dc.description.extent2306 KBspa
dc.identifier.doi10.1186/s13148-015-0128-7spa
dc.relation.publisherversionhttps://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-015-0128-7spa


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