Transcriptomics

Dataset Information

6

Expression profiling of MDA-MB-231 breast cancer cells treated with DOT1L inhibitors and siDOT1L


ABSTRACT: MDA-MB-231 cell line with relatively high DOT1L levels was treated with two potent, selective inhibitors of the DOT1L histone methyl transferase. These compounds can inhibit cells migration and invasion and induce differentiation. Here we provide expression profiling data of cells treated with two DOT1L inhibitors [1] [2], DOT1L siRNA (siDOT1L) or control. MDA-MB-231 cells were treated with 1uM compound [1], 5uM compound [1], 2uM compound [2], 10 uM compound [2] (DOT1L inhibitors) or control (0.1% DMSO) for 14 days, or siDOT1L for 7 days. For each unique condition, 2 biological replicates were generated for expression profiling. Compound [1]: EPZ004777 (in Diagle et al., 2011) Compound [2]: Compound 55 (in Anglin et al., 2012)

ORGANISM(S): Homo sapiens  

SUBMITTER: Yongcheng Song   Fengju Chen  Li Zhang 

PROVIDER: E-GEOD-56630 | ArrayExpress | 2015-02-18

SECONDARY ACCESSION(S): GSE56630PRJNA244410

REPOSITORIES: GEO, ArrayExpress

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Publications

Inhibition of histone H3K79 methylation selectively inhibits proliferation, self-renewal and metastatic potential of breast cancer.

Zhang Li L   Deng Lisheng L   Chen Fengju F   Yao Yuan Y   Wu Bulan B   Wei Liping L   Mo Qianxing Q   Song Yongcheng Y  

Oncotarget 20141101 21


Histone lysine methylation regulates gene expression and cancer initiation. Bioinformatics analysis suggested that DOT1L, a histone H3-lysine79 (H3K79) methyltransferase, plays a potentially important role in breast cancer. DOT1L inhibition selectively inhibited proliferation, self-renewal, metastatic potential of breast cancer cells and induced cell differentiation. In addition, inhibitors of S-adenosylhomocysteine hydrolase (SAHH), such as neplanocin and 3-deazaneplanocin, also inhibited both  ...[more]

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