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Article: MiR-25 regulates Wwp2 and Fbxw7 and promotes reprogramming of mouse fibroblast cells to iPSCs

TitleMiR-25 regulates Wwp2 and Fbxw7 and promotes reprogramming of mouse fibroblast cells to iPSCs
Authors
Issue Date2012
Citation
PLoS ONE, 2012, v. 7, n. 8 How to Cite?
AbstractBackground: miRNAs are a class of small non-coding RNAs that regulate gene expression and have critical functions in various biological processes. Hundreds of miRNAs have been identified in mammalian genomes but only a small number of them have been functionally characterized. Recent studies also demonstrate that some miRNAs have important roles in reprogramming somatic cells to induced pluripotent stem cells (iPSCs). Methods: We screened 52 miRNAs cloned in a piggybac (PB) vector for their roles in reprogramming of mouse embryonic fibroblast cells to iPSCs. To identify targets of miRNAs, we made Dgcr8-deficient embryonic stem (ES) cells and introduced miRNA mimics to these cells, which lack miRNA biogenesis. The direct target genes of miRNA were identified through global gene expression analysis and target validation. Results and conclusion: We found that over-expressing miR-25 or introducing miR-25 mimics enhanced production of iPSCs. We identified a number of miR-25 candidate gene targets. Of particular interest were two ubiquitin ligases, Wwp2 and Fbxw7, which have been proposed to regulate Oct4, c-Myc and Klf5, respectively. Our findings thus highlight the complex interplay between miRNAs and transcription factors involved in reprogramming, stem cell self-renewal and maintenance of pluripotency. © 2012 Lu et al.
Persistent Identifierhttp://hdl.handle.net/10722/249067
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLu, Dong-
dc.contributor.authorDavis, Matthew P A-
dc.contributor.authorAbreu-Goodger, Cei-
dc.contributor.authorWang, Wei-
dc.contributor.authorCampos, Lia S.-
dc.contributor.authorSiede, Julia-
dc.contributor.authorVigorito, Elena-
dc.contributor.authorSkarnes, William C.-
dc.contributor.authorDunham, Ian-
dc.contributor.authorEnright, Anton J.-
dc.contributor.authorLiu, Pentao-
dc.date.accessioned2017-10-27T05:59:01Z-
dc.date.available2017-10-27T05:59:01Z-
dc.date.issued2012-
dc.identifier.citationPLoS ONE, 2012, v. 7, n. 8-
dc.identifier.urihttp://hdl.handle.net/10722/249067-
dc.description.abstractBackground: miRNAs are a class of small non-coding RNAs that regulate gene expression and have critical functions in various biological processes. Hundreds of miRNAs have been identified in mammalian genomes but only a small number of them have been functionally characterized. Recent studies also demonstrate that some miRNAs have important roles in reprogramming somatic cells to induced pluripotent stem cells (iPSCs). Methods: We screened 52 miRNAs cloned in a piggybac (PB) vector for their roles in reprogramming of mouse embryonic fibroblast cells to iPSCs. To identify targets of miRNAs, we made Dgcr8-deficient embryonic stem (ES) cells and introduced miRNA mimics to these cells, which lack miRNA biogenesis. The direct target genes of miRNA were identified through global gene expression analysis and target validation. Results and conclusion: We found that over-expressing miR-25 or introducing miR-25 mimics enhanced production of iPSCs. We identified a number of miR-25 candidate gene targets. Of particular interest were two ubiquitin ligases, Wwp2 and Fbxw7, which have been proposed to regulate Oct4, c-Myc and Klf5, respectively. Our findings thus highlight the complex interplay between miRNAs and transcription factors involved in reprogramming, stem cell self-renewal and maintenance of pluripotency. © 2012 Lu et al.-
dc.languageeng-
dc.relation.ispartofPLoS ONE-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMiR-25 regulates Wwp2 and Fbxw7 and promotes reprogramming of mouse fibroblast cells to iPSCs-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1371/journal.pone.0040938-
dc.identifier.pmid22912667-
dc.identifier.scopuseid_2-s2.0-84865083977-
dc.identifier.volume7-
dc.identifier.issue8-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.eissn1932-6203-
dc.identifier.isiWOS:000308063700002-

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