Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA182321 | ENA |
REPOSITORIES: ENA
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Project description:The multifunctional protein tyrosine phosphatase PRL-1 (Gene Symbol: PTP4A1) has been identified as an important oncogene with roles in promoting cell proliferation, survival, migration, invasion, and metastasis. However, little is currently known about the signaling pathways through which it mediates its effects. We used Affymetrix Human Genome U133 Plus 2.0 arrays to examine the global molecular changes of gene expression occurring in response to stable PRL-1 overexpression in human embryonic kidney 293 (HEK293) cells. Total RNA was extracted from triplicate cultures of HEK293 cells stably overexpressing PRL-1 (HEK293-PRL-1) and HEK293 cells stably transfected with empty pcDNA4 vector (HEK293-Vector). Samples were hybridized to Affymetrix HG U133 Plus 2.0 microarrays (1 array per sample for a total of 6 arrays). One of the arrays hybridized with a PRL-1 transfected sample was excluded after qRT-PCR demonstrated that this sample did not exhibit increased PRL-1 expression over the level of the empty vector controls. The remaining 2 HEK293-PRL-1 samples both expressed PRL-1 at least 2-fold higher than any of the 3 empty vector controls.
2013-07-30 | E-GEOD-42586 | biostudies-arrayexpress
Project description:The protein tyrosine phosphatase PRL-1 (Gene Symbol: PTP4A1) has been identified as an important oncogene with roles in promoting cell proliferation, survival, migration, invasion, and metastasis. However, little is currently known about the signaling pathways through which it mediates its effects. Studies have shown a relationship between PRL-1 and the expression or activity levels of various molecules involved in integrin-mediated cell signaling. These integrin-responsive players can promote re-arrangements in the actin cytoskeleton that are central to cell motility, invasion, and metastasis. Therefore, to investigate the effects of PRL-1 overexpression in human embryonic kidney 293 (HEK293) cells, we used qRT-PCR to examine the expression levels of 184 genes which either were identified by microarray and proteomic analysis to be differentially expressed in response to PRL-1 or have known associations to integrin-mediated signaling, cytoskeletal remodeling, and/or cell motility. Total RNA was extracted from duplicate cultures of HEK293 cells stably overexpressing PRL-1 (HEK293-PRL-1) and HEK293 cells stably transfected with empty pcDNA4 vector (HEK293-Vector). Samples were analyzed using custom TaqMan Array 96-well Plates to examine the expression of 184 genes with known involvement in or association with signaling pathways related to integrin-mediated cell adhesion, cytoskeletal remodeling, and/or cell motility.
2013-07-30 | E-GEOD-42587 | biostudies-arrayexpress
Project description:Expression profile of HEK293 cells stably transfected with PRL-1 (PTP4A1) or empty pcDNA4 vector (control)
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Project description:FLAG IP-MS of transfected HEK293 cells with FLAG tagged mouse Chaf1a constructs (T1, T10) or empty vector (EV).
2019-04-18 | PXD012669 | Pride
Project description:To examine the impact of Cry1 downregulation on gene expression, empty vector (Sh Ctrl) and Sh-RNA targeting Cry1 (Sh Cry1) were used to produce lentiviral vector. Cell were then infected with control and sh-RNA lentivirus and then selected with puromycin. Upon validation of the knockdown with real time PCR. RNA were prepared from cells stably expressing empty vector or sh-RNA against Cry1 and used gene expression profiling by RNA seq. RNA of two biological replicate were prepared from each genotype.
2023-08-01 | GSE216975 | GEO
Project description:We used microarrays to detail the global gene expression in stably transfected HEK 293T cells of the over-expression of truncated FMRP containing 295 amino acid residues, which were compared with control (stably transfected HEK 293T cells of empty lentiviral vector (pLEX-MCS).
2015-05-08 | GSE68668 | GEO
Project description:Transcriptional profiling of human embryo kidney cells comparing control HEK293 transfected with empty vectors cells with HEK293 cells transfected with pcDNA3-ZNF191 (or ZNF191 siRNA vector). We searched for early ZNF191 target genes by using a transient overexpression and knockdown strategy in the human embryo kidney (HEK293) cells. A table of gene targets of transcription factor ZNF191 commonly identified by both strategies is appended below as a supplementary file.
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Project description:Response of HEK293-cells after transfection with EWS-FLI1. HEK293 cells were transfected with the expression vector pIRES2-EGFP containing type I EWS-FLI1 or empty control vector. For transient transfection standard DEAE dextran method was used and RNA was isolated 48h post transfection. For stable transfection cells were transfected using FuGENE 6 (Roche, Mannheim, Germany) and cells were selected with 400 ug/mL G418. DNA-microarray analysis was performed using Affymetrix HG-U133A microarrays.(see Staege et al. Cancer Res. 2004) Keywords = HEK293 Keywords = EWS-FLI1 Keywords = Ewing family tumors Keywords: other
2004-10-07 | GSE1822 | GEO
Project description:RNA microarray was used to analyze the differentialy expressed genes between stably transfected HEK293T cells of the overexpression of the new FMRP isoform with 297 amino acid and stably transfected HEK293T cells of empty lentiviral vector. we constructed the lentiviral vector of exons 1-9 together with the sequence of 140bp fragment of human FMR1 gene to overexpress the truncated FMRP with 297 amino acid, and transfected cells with the void plasmid pLEX-MCS were regarded as control group.
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