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3-Deazaneplanocin A (DZNep), an Inhibitor of the Histone Methyltransferase EZH2, Induces Apoptosis and Reduces Cell Migration in Chondrosarcoma Cells

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3-Deazaneplanocin A (DZNep), an Inhibitor of the Histone Methyltransferase EZH2, Induces Apoptosis and Reduces Cell Migration in Chondrosarcoma Cells

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dc.contributor.author Girard, Nicolas es_ES
dc.contributor.author Bazille, Céline es_ES
dc.contributor.author Lhuissier, Eva es_ES
dc.contributor.author Benateau, Hervé es_ES
dc.contributor.author Llombart Bosch, Antonio es_ES
dc.contributor.author Boumediene, Karim es_ES
dc.contributor.author Bauge, Catherine es_ES
dc.date.accessioned 2015-06-10T08:38:57Z
dc.date.available 2015-06-10T08:38:57Z
dc.date.issued 2014
dc.identifier.citation PLoS ONE Vol. 9 Issue 5: es_ES
dc.identifier.uri http://hdl.handle.net/10550/44282
dc.description.abstract ObjectiveGrowing evidences indicate that the histone methyltransferase EZH2 (enhancer of zeste homolog 2) may be an appropriate therapeutic target in some tumors. Indeed, a high expression of EZH2 is correlated with poor prognosis and metastasis in many cancers. In addition, 3-Deazaneplanocin A (DZNep), an S-adenosyl-L homocysteine hydrolase inhibitor which induces EZH2 protein depletion, leads to cell death in several cancers and tumors. The aim of this study was to determine whether an epigenetic therapy targeting EZH2 with DZNep may be also efficient to treat chondrosarcomas.MethodsEZH2 expression was determined by immunohistochemistry and western-blot. Chondrosarcoma cell line CH2879 was cultured in the presence of DZNep, and its growth and survival were evaluated by counting adherent cells periodically. Apoptosis was assayed by cell cycle analysis, Apo2.7 expression using flow cytometry, and by PARP cleavage using western-blot. Cell migration was assessed by wound healing assay.ResultsChondrosarcomas (at least with high grade) highly express EZH2, at contrary to enchondromas or chondrocytes. In vitro, DZNep inhibits EZH2 protein expression, and subsequently reduces the trimethylation of lysine 27 on histone H3 (H3K27me3). Interestingly, DZNep induces cell death of chondrosarcoma cell lines by apoptosis, while it slightly reduces growth of normal chondrocytes. In addition, DZNep reduces cell migration.ConclusionThese results indicate that an epigenetic therapy that pharmacologically targets EZH2 via DZNep may constitute a novel approach to treat chondrosarcomas. es_ES
dc.title 3-Deazaneplanocin A (DZNep), an Inhibitor of the Histone Methyltransferase EZH2, Induces Apoptosis and Reduces Cell Migration in Chondrosarcoma Cells es_ES
dc.type journal article es_ES
dc.identifier.doi 10.1371/journal.pone.0098176 es_ES
dc.identifier.idgrec 099481 es_ES

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