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Gene-expression profiling of ZNF217-overexpressing MDA-MB-231 cells

ABSTRACT: To obtain an overview of the cellular functions regulated by ZNF217 signaling in breast-cancer cell lines, we performed global gene-expression profiling on MDA-MB-231-pcDNA6 and MDA-MB-231-ZNF217 cells Two independent cell-culture replicates from the total population of MDA-MB-231-pcDNA6 and MDA-MB-231-ZNF217 stable transfectants were used to generate total RNA. Total RNA was extracted from cell culture using a Qiagen RNA extraction kit and RNA quality was assessed using the BioAnalyzer 2100™ (Agilent Technologies). Complex probes were produced from these RNA, then hybridized to Human genome U133 Plus 2.0 array according to the manufacturer’s recommendations (Affymetrix).

ORGANISM(S): Homo sapiens

SUBMITTER: Julie Vendrell

PROVIDER: E-GEOD-35511 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene-expression profiling of ZNF217-overexpressing MDA-MB-231 cells

Project description:To obtain an overview of the cellular functions regulated by ZNF217 signaling in breast-cancer cell lines, we performed global gene-expression profiling on MDA-MB-231-pcDNA6 and MDA-MB-231-ZNF217 cells

2012-02-06 | GSE35511 | GEO

Transcription profiling of human MDAMB231 breast cancer cells by Parvin-beta in 2D vs 3D culture conditions

Project description:Parvin-beta is a focal adhesion protein downregulated in human breast cancer cells. Loss of Parvin-beta contributes to increased integrin-linked kinase activity, cell-matrix adhesion, and invasion through the extracellular matrix in vitro. The effect of ectopic Parvin-beta expression on the transcriptional profile of MDA-MB-231 breast cancer cells, which normally do not express Parvin-beta was evaluated. Particular emphasis was placed upon propagating MDA-MB-231 breast cancer cells in three-dimensional culture matrices. Gene expression profiles of vector control and Parvin-beta transfected MDA-MB-231 cells cultured on (A) monomeric type I collagen coated plastic, (B) embedded in a type I collagen gel, and (C) embedded in basement membrane (growth factor reduced Matrigel), were compared. Interestingly, Parvin-beta re-expression in MDA-MB-231 cells increased the mRNA expression, serine 82 phosphorylation (mediated by CDK9), and activity of the nuclear hormone receptor, peroxisome proliferator-activated receptor gamma (PPARgamma) and a concomitant increase in lipogenic gene expression as a downstream effector of PPARgamma. Importantly, Parvin-beta suppressed breast cancer growth in vivo with associated decreased proliferation. These data suggest that Parvin-beta might influence breast cancer progression.. Experiment Overall Design: The MDA-MB-0231 transfectants were cultured for 7 days in each growth condition and total RNA isolated using Trizol reagent (Invitrogen). Genes either upregulated or downregulated in Parvin-beta transfectants versus vector control cells were compared among the 3 different growth conditions. Venn diagrams were generated using GeneSpring software and used to produce gene lists that were unique to a particular growth condition, or shared between two or all three growth conditions. The focus was primarily on gene expression alterations observed in the 3D collagen type I and 3D Matrigel conditions.

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Gene expression profiling in two dimensional and extracellular matrix based three-dimensional cultures of lung and breast cancer cells

Project description:A549 and MDA-MB-231 cells were cultured in 2D and Matrigel based 3D culture for 4 days. Total RNA was extracted using Trizol. RNA-SEQ was carried out to profile the gene expression in both culture conditions.

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Gene expression profiling in lung and breast cancer cells treated by Bloom-specific siRNAs

Project description:A549 and MDA-MB-231 cells were transfected with the Bloom-specific siRNA. Total RNA was extracted using Trizol at 48 hours after transfection. RNA-SEQ was carried out to profile the gene expression in both culture conditions.

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Human Adipocytes Regulate Gene Expression in Triple-negative Breast Cancer Assessed by NGS Sequencing

Project description:Adipocyte was found play a pivotal role in tumorgenesis, progression and metastasis in breast cancer. However, affection of adipocyte on gene expression profile in triple-negative breast cancer (TNBC) is still not clear. In the present study, firstly we reported the gene expression profiles of TNBC regulated by human adipocytes using NGS. TNBC cell MDA-MB-231 was used in this study. MDA-MB-231 cells were treated with medium derived from adipocytes culture supernatants. Using two different RNA libraries, we sequenced the complete transcriptome(including mRNA, lncRNA, circleRNA and small RNA) of MDA-MB-231 treated with medium derived from adipocytes culture supernatants.

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LncRNA Uc003xsl.1 Activates of NF-κB/IL8 Axis to Promotes Triple-negative Breast Cancer Progression via A Decoy Role to NKRF [lnc231]

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Cytosine methylation profiling in two dimensional and extracellular matrix based three-dimensional cultures of breast cancer cells

Project description:MDA-MB-231 cells were cultured in 2D and Matrigel based 3D culture for 4 days. Total DNA was extracted. Bisulfite treatment and BS-SEQ were carried out to profile global cytosine methylation in both culture conditions.

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Homo sapiens

Project description:Gene-expression profiling of ZNF217-overexpressing MDA-MB-231 cells

| PRJNA152321 | ENA

Expression data of control-shRNA and SATB1-shRNA expressing MDA-MB-231 cells from 2D and 3D culture system

2008-01-31 | GSE5417 | GEO

Expression data of control-shRNA and SATB1-shRNA expressing MDA-MB-231 cells from 2D and 3D culture system

Project description:We examined whether SATB1 functions as a global gene regulator in order to maintain the aggressive phenotype of the MDA-MB-231 cell line. We compared the gene expression profiles between control_shRNA-MDA-MB-231 cells, which express SATB1 at high levels, and SATB1_shRNA1-MDA-MB-231 in which the level of SATB1 was greatly downregulated by RNAi technology. This comparative studies were performed using two different platforms (Codelink and Affymetrix genechip) with two culture conditions either on plastic dish (2D) or on matrigel (3D) which allows cells to form a breast-like morphology only for non-aggressive cells. Keywords: Comparative studies on Control_shRNA and SATB1_shRNA1 expressing MDA-MB-231 from 2D or 3D culture. We examined control_shRNA-MDA-MB-231 cells and SATB1_shRNA1-MDA-MB-231 cells under two culture condition;on plastic dish(2D culture) and on Matrigel coated dish(3D culture). When SATB1 was depleted by RNAi technology, these normally aggressive cells exhibited normal breast like morphology on 3D. We used two different microarray platforms (Codelink and Affymetrix) to make expression data. Initial analysis of data and cross-platform comparison were performed using Codelink expression analysis and GeneSpring software. We provide ratio for control_shRNA/SATB1_shRNA1-MDA-MB-231 cells for 2D and 3D on this series.

2010-05-26 | E-GEOD-5417 | biostudies-arrayexpress

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