Microarray and deep sequencing cross-platform analysis of the mirRNome and isomiR variation in response to epidermal growth factor

Llorens, Franc; Hummel, Manuela; Pantano Rubiño, Lorena, 1982-; Pastor, Xavier; Vivancos Prellezo, Ana; Castillo Andreo, Esther; Mattlin, Heidi; Ferrer Admetlla, Anna; Ingham, Matthew; Noguera, Marc; Kofler, Robert; Dohm, Juliane C.; Pluvinet, Raquel; Bayés, Mònica; Himmelbauer, Heinz; del Río, José Antonio; Martí, Eulàlia; Sumoy Van Dyck, Lauro

Microarray and deep sequencing cross-platform analysis of the mirRNome and isomiR variation in response to epidermal growth factor

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dc.contributor.author Llorens, Francca
dc.contributor.author Hummel, Manuelaca
dc.contributor.author Pantano Rubiño, Lorena, 1982-ca
dc.contributor.author Pastor, Xavierca
dc.contributor.author Vivancos Prellezo, Anaca
dc.contributor.author Castillo Andreo, Estherca
dc.contributor.author Mattlin, Heidica
dc.contributor.author Ferrer Admetlla, Annaca
dc.contributor.author Ingham, Matthewca
dc.contributor.author Noguera, Marcca
dc.contributor.author Kofler, Robertca
dc.contributor.author Dohm, Juliane C.ca
dc.contributor.author Pluvinet, Raquelca
dc.contributor.author Bayés, Mònicaca
dc.contributor.author Himmelbauer, Heinzca
dc.contributor.author del Río, José Antonioca
dc.contributor.author Martí, Eulàliaca
dc.contributor.author Sumoy Van Dyck, Lauroca
dc.date.accessioned 2015-03-17T08:18:02Z
dc.date.available 2015-03-17T08:18:02Z
dc.date.issued 2013ca
dc.description.abstract Background: Epidermal Growth Factor (EGF) plays an important function in the regulation of cell growth, proliferation, and differentiation by binding to its receptor (EGFR) and providing cancer cells with increased survival responsiveness. Signal transduction carried out by EGF has been extensively studied at both transcriptional and post-transcriptional levels. Little is known about the involvement of microRNAs (miRNAs) in the EGF signaling pathway. miRNAs have emerged as major players in the complex networks of gene regulation, and cancer miRNA expression studies have evidenced a direct involvement of miRNAs in cancer progression. Results: In this study, we have used an integrative high content analysis approach to identify the specific miRNAs implicated in EGF signaling in HeLa cells as potential mediators of cancer mediated functions. We have used microarray and deep-sequencing technologies in order to obtain a global view of the EGF miRNA transcriptome with a robust experimental cross-validation. By applying a procedure based on Rankprod tests, we have delimited a solid set of EGF-regulated miRNAs. After validating regulated miRNAs by reverse transcription quantitative PCR, we have derived protein networks and biological functions from the predicted targets of the regulated miRNAs to gain insight into the potential role of miRNAs in EGF-treated cells. In addition, we have analyzed sequence heterogeneity due to editing relative to the reference sequence (isomiRs) among regulated miRNAs. Conclusions: We propose that the use of global genomic miRNA cross-validation derived from high throughput technologies can be used to generate more reliable datasets inferring more robust networks of co-regulated predicted miRNA target genes.en
dc.description.sponsorship This work was supported by grants from Ministerio de Ciencia e Innovación [MICINN; BFU2012-32617] to JADR and FL, Generalitat de Catalunya [SGR2009-366] to JADR and FL, and the EU-FP7 PRIORITY to JADR. Start up funds from the Institute for Predictive and Personalized Medicine of Cancer and the Center for Genomic Regulation to LS; by the Spanish Ministry of Science and Technology [SAF2004-06976] to LS, Juan de la Cierva researcher contract to FL, and by excellence in research team recognitions by the Catalan government, Departament de Innovació, Universitats i Ensenyament, Generalitat de Catalunya [SGR2005-404] to LS, and by the Instituto de Salud Carlos III Fondo de Investigaciones Sanitarias to JADR and to LS [PI10/01154]en
dc.format.mimetype application/pdfca
dc.identifier.citation Llorens F, Hummel M, Pantano L, Pastor X, Vivancos A, Castillo E, Mattlin H, Ferrer A, Ingham M, Noguera M, Kofler R, Dohm JC, Pluvinet R, Bayés M, Himmelbauer H, del Rio JA, Martí E, Sumoy L. Microarray and deep sequencing cross-platform analysis of the mirRNome and isomiR variation in response to epidermal growth factor. BMC Genomics. 2013; 14: 371. DOI 10.1186/1471-2164-14-371ca
dc.identifier.doi http://dx.doi.org/10.1186/1471-2164-14-371
dc.identifier.issn 1471-2164ca
dc.identifier.uri http://hdl.handle.net/10230/23196
dc.language.iso engca
dc.publisher BioMed Centralca
dc.relation.ispartof BMC Genomics. 2013; 14: 371
dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/BFU2012-32617
dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/SAF2004-06976
dc.rights © 2013 Llorens et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.ca
dc.rights.accessRights info:eu-repo/semantics/openAccessca
dc.rights.uri http://creativecommons.org/licenses/by/2.0
dc.subject.other RNA no missatgersca
dc.subject.other Genètica molecular humanaca
dc.title Microarray and deep sequencing cross-platform analysis of the mirRNome and isomiR variation in response to epidermal growth factorca
dc.type info:eu-repo/semantics/articleca
dc.type.version info:eu-repo/semantics/publishedVersionca

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