NCBI Logo
GEO Logo
   NCBI > GEO > Accession DisplayHelp Not logged in | LoginHelp
GEO help: Mouse over screen elements for information.
          Go
Sample GSM1828399 Query DataSets for GSM1828399
Status Public on Jul 11, 2016
Title siHOXC11 rep1
Sample type SRA
 
Source name LY2 cells
Organism Homo sapiens
Characteristics origin: breast epithelial
sirna: siRNA-HOXC11
cell line: MCF7-derived LY2
Treatment protocol LY2 cells were seeded at a density of 2.5x10e5 and incubated overnight under standard conditions. HOXC11 was silenced by transient transfection using an experimentally verified pool of siRNA (Flexitube, Qiagen, UK) (2μg siRNA/6well) . All transfections were carried out using Lipofectamine 2000 transfection reagent according to manufacturer’s instructions (Invitrogen, UK) and a non-targeting siRNA negative control (Ambion, UK) was used as a control for all siRNA experiments. Both siRNA and scambled controls were treated with tamoxifen (10-8M) (24 hours) before cells were pelleted and RNA extracted,
Growth protocol MCF7-derived LY2 (Bronzert et al., 1985) were maintained in phenol red-free Eagle’s minimum essential medium with 2 mM L-glutamine and supplemented with charcoal dextran stripped fetal bovine serum, 10% (Invitrogen, Paisley, UK).
Extracted molecule total RNA
Extraction protocol RNA was extracted using an RNeasy (Qiagen, UK) according to manufacturer's instractions. 
Libraries were perepared according to standard Illumina protocols. Four independent biological libraries were prepared for each sample to facilitate the expression detection and variance estimation. Multiplexing was achieved using in-house designed barcoding adapters Four biological replicates of either siHOXC11 or scrHOXC11 sample were sequenced on a flow cell. Two replicates, one from each sample, were multiplexed and loaded on a single lane.
 
Library strategy RNA-Seq
Library source transcriptomic
Library selection cDNA
Instrument model Illumina Genome Analyzer II
 
Description s_1_si3
Data processing de-multiplex of raw data was performed using customized scripts
short reads were mapped to the reference genome using tophat program version 1.2.0
Not all the raw data passed our initial QC. Only samples s_1_scr2 (scrHOXC11 rep1), s_2_scr3 (scrHOXC11 rep2), s_1_si3 (siHOXC11 rep1) & s_2_si2 (siHOXC11 rep2) passed and were used for further analysis.
differential expression test was performed using cutfflink/cuffdiff program version 1.0.2
Genome_build: Ensembl GRCh37 release 64 (hg19)
Supplementary_files_format_and_content: differential expression targets from cuffdiff output, including gene ids, locus, FPKM, fold changes, p-values.
The processed file is the output results from CuffDiff. The fields "value_1" and "value_2" correspond to an average FPKM expression of two samples (Value_1 = ave. s_1_scr2 & s_2_scr3; Value_2 = ave. s_1_si3 & s_2_si2).
 
Submission date Jul 21, 2015
Last update date May 15, 2019
Contact name Leonie Young
Organization name Royal College of Surgeons, Ireland
Department Surgery
Lab Endocrine Oncology Research Group
Street address York Street
City Dublin
ZIP/Postal code Dublin 2
Country Ireland
 
Platform ID GPL9115
Series (1)
GSE71139 RNA-sequencing of tamoxifen resistant LY2 cells transfected with siRNA-HOXC11.
Relations
BioSample SAMN03893540
SRA SRX1115978

Supplementary data files not provided
SRA Run SelectorHelp
Processed data are available on Series record
Raw data are available in SRA

| NLM | NIH | GEO Help | Disclaimer | Accessibility |
NCBI Home NCBI Search NCBI SiteMap