Project description:This SuperSeries is composed of the following subset Series: GSE11874: Chromatin Immunoprecipitation microarray data from antiHA IP in stable LNCaP cells expressing either YFP or HA-SOX4/YFP GSE11913: Illumina expression data from LNCaP cells overexpressing either SOX4 or GFP GSE11914: Expression data from LNCaP cells transfected with SOX4 cDNA, SOX4 siRNA or GFP cDNA Refer to individual Series
Project description:SOX4 is a critical developmental transcription factor in vertebrates and is required for precise differentiation and proliferation in multiple tissues. In addition, SOX4 is overexpressed in many human malignancies, but the precise role of SOX4 in cancer progression is not well understood. Here we have either eliminated SOX4 using siRNA or overexpressed a SOX4 cDNA and compared the gene expression patterns against control GFP transfections to identify SOX4 target genes. Data described in manuscript P. Liu et al., Cancer Res 46, 4011 (April 15, 2006) Experiment Overall Design: LNCaP prostate cancer cells were transfected with either a SOX4 cDNA, a pool of SOX4 siRNAs or a control GFP expression vector. Each transfection was performed in duplicate on two separate days. Total RNA was harvested 24 hours post-transfection
Project description:SOX4 is a critical developmental transcription factor in vertebrates and is required for precise differentiation and proliferation in multiple tissues. In addition, SOX4 is overexpressed in many human malignancies, but the precise role of SOX4 in cancer progression is not well understood. Here we have either eliminated SOX4 using siRNA or overexpressed a SOX4 cDNA and compared the gene expression patterns against control GFP transfections to identify SOX4 target genes. Data described in manuscript P. Liu et al., Cancer Res 46, 4011 (April 15, 2006) Keywords: Gene Expression
Project description:Previously, we have shown that an AP-1 family member Fra-2, which is hardly expressed in normal mature T cells, is consistently over-expressed in adult T-cell leukemia/lymphoma (ATLL), and together with JunD, upregulates CCR4 and many other genes including proto-oncogenes c-Myb, MDM2, Bcl-6, and SOX4. SOX4 is frequently overexpressed in many solid tumors and considered to be a potential oncogene. To identify downstream target genes of SOX4 and analyze SOX4 oncogenic pathway in ATLL , we compared gene expression profiles of ST1 cells transfected with SOX4 siRNA or control siRNA using the Affymetrix high density oligonucleotide microarray. The ATL-derived cell line ST1 was transfected with control siRNA or SOX4 siRNA using NucleofectorM-BM-. (Lonza, Basel, Switzerland). To determine the high-viability of the cells transfected with siRNAs, the cells were counted after 6 h on FACSCalibur (Becton Dickinson, Mountain View, CA) by gating out cells stained with propidium iodide. The transfection efficiency of RNAs was close to 95%, as determined by using fluorescent siRNA (Qiagen). After 48 h, total RNA samples were prepared and confirmed to be of good quality with the Agilent 2100 Bioanalyzer (Agilent Technologies, Waldbronn, Germany). In addition, quantitative PCR confirmed that SOX4 siRNA effectively reduced SOX4 mRNA in ST1 cells.
Project description:SOX4 is a critical developmental transcription factor in vertebrates and is required for precise differentiation and proliferation in multiple tissues. In addition, SOX4 is overexpressed in many human malignancies, but the precise role of SOX4 in cancer progression is not well understood. Here we have performed an expression profiling experiment of LNCaP cells either overexpressing SOX4 or GFP to identify SOX4 target genes. Keywords: Gene expression
Project description:We used Applied Biological Materials (ABM)’s miRNA profiling platform to quantitate expression of miRNAs in a human melanoma cell line (MMRU) in Sox4 siRNA treated cells (siSox4) compared with the control siRNA treated cells (siCTR) or after overexpression of Flag-Dicer in Sox4 knockdown cells (siSox4=F-Dicer) compared with control cells. 72 hours after transfection, Total RNA from siCTR, siCTR+empty Flag-vector (CTR), siSox4 or siSox4+-F-Dicer transfected MMRU cells was prepared with Qiazol extraction followed by Poly-A Tailing reactions and miRNA cDNA synthesis (ABM C204). Real-time qPCR reactions and instrumental analysis was performed using Roche LightCycler480.
Project description:Previously, we have shown that an AP-1 family member Fra-2, which is hardly expressed in normal mature T cells, is consistently over-expressed in adult T-cell leukemia/lymphoma (ATLL), and together with JunD, upregulates CCR4 and many other genes including proto-oncogenes c-Myb, MDM2, Bcl-6, and SOX4. SOX4 is frequently overexpressed in many solid tumors and considered to be a potential oncogene. To identify downstream target genes of SOX4 and analyze SOX4 oncogenic pathway in ATLL , we compared gene expression profiles of ST1 cells transfected with SOX4 siRNA or control siRNA using the Affymetrix high density oligonucleotide microarray.
Project description:Transcriptomic profiling of SOX4 knock-down MDA-LM2 cell line resulted in down-regulation of its transcriptional target gene, TMEM2. Two independent siRNAs were used to knock down SOX4 in metastatic MDA-LM2 cells. The cells were then subjected to transcripome profiling in comparison to control siRNA-transfected cells.