Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human multiple myeloma cell lines treated with EZH2 inhibitor E7438 and DMSO controls


ABSTRACT: We used a total of 10 human multiple myeloma cell lines for the study (KMS-20, KMS-28BM, MOLP-8, RPMI-8226, U-266, KMS-11, KMS-12-PE, KMS-34, LP-1 and NCI-H929). Cells (2 x 105 per well) were seeded into six-well culture plates in the appropriate culture media 24 h before treatment. Five replicate wells were then exposed to 2 uM of E7438 or control DMSO for 3 days. Cells were collected and RNA was extracted using RNeasy kit (Qiagen) according to the manufacturer’s instructions. For each sample, 250ng of total RNA was amplified using the Affymetrix GeneChip WT PLUS Reagent Kit according to the protocol described in User Manual Target Preparation for GeneChip Whole Transcript (WT) Expression Arrays (P/N 703174 Rev. 2). An Affymetrix Human Gene 2.1 ST 96-array plate was hybridized with 3µg of fragmented and labeled ss cDNA, washed, stained, and scanned according to the protocol described in User Manual GeneTitan®Instrument User Guide for Expression Arrays Plates (P/N 702933 Rev.1) and Affymetrix® GeneChip® Command Console™ User’s Guide (P/N 702569 Rev.9) using the Affymetrix GeneTitan instrument.

ORGANISM(S): Homo sapiens

SUBMITTER: Henar Hernando 

PROVIDER: E-MTAB-3540 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

EZH2 Inhibition Blocks Multiple Myeloma Cell Growth through Upregulation of Epithelial Tumor Suppressor Genes.

Hernando Henar H   Gelato Kathy A KA   Lesche Ralf R   Beckmann Georg G   Koehr Silke S   Otto Saskia S   Steigemann Patrick P   Stresemann Carlo C  

Molecular cancer therapeutics 20151120 2


Multiple myeloma is a plasma cell malignancy characterized by marked heterogeneous genomic instability including frequent genetic alterations in epigenetic enzymes. In particular, the histone methyltransferase Enhancer of Zeste Homolog 2 (EZH2) is overexpressed in multiple myeloma. EZH2 is the catalytic component of the polycomb repressive complex 2 (PRC2), a master transcriptional regulator of differentiation. EZH2 catalyzes methylation of lysine 27 on histone H3 and its deregulation in cancer  ...[more]

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