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Differentially expressed genes in metallopanstimulin-1 knockdown cells

ABSTRACT: To identify the differentially expressed genes in metallopanstimulin-1 (MPS-1) knockdown gastric cancer cells compared with negative control ones, we employed the microarray profiling analysis. MPS-1 was knockdown by retroviral interfering system in human gastric adenocarcinoma originated cell SGC7901 and the transfectants named P4, while the negative control named NC. Genes with greater than 1.5-fold change and P-value ＜0.05 were identified as differentially expressed genes between NC and P4 cells. Among those, apoptotic related gene (Gadd45β, cIAP2, Bcl2, CAD, Bid, etc) and adhesive related genes (integrin beta 4, ECM2, etc) were quantified by real-time PCR as well as western blotting.

ORGANISM(S): Homo sapiens

PROVIDER: GSE28877 | GEO | 2011/04/27

SECONDARY ACCESSION(S): PRJNA140599

REPOSITORIES: GEO

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Differentially expressed genes in metallopanstimulin-1 knockdown cells

Project description:To identify the differentially expressed genes in metallopanstimulin-1 (MPS-1) knockdown gastric cancer cells compared with negative control ones, we employed the microarray profiling analysis. MPS-1 was knockdown by retroviral interfering system in human gastric adenocarcinoma originated cell SGC7901 and the transfectants named P4, while the negative control named NC. Genes with greater than 1.5-fold change and P-value ?0.05 were identified as differentially expressed genes between NC and P4 cells. Among those, apoptotic related gene (Gadd45?, cIAP2, Bcl2, CAD, Bid, etc) and adhesive related genes (integrin beta 4, ECM2, etc) were quantified by real-time PCR as well as western blotting. The two groups of negative control (NC) and MPS-1 knockdown gastric cancer cells (P4) were harvested after puromycin screening. Three independent experiments were performed for each group.

2011-04-27 | E-GEOD-28877 | biostudies-arrayexpress

Human gastric cancer cells SGC7901-NM RIP-Chip result: has-miR-625 lentivirus infected vs. control

Project description:Transcriptional profiling of RIP products of human gastric cancer cells SGC7901-NM comparing control with SGC7901-NM infected with has-miR-625 lentivirus Stable transfected cell lines, SGC7901-NM-has-miR-625 vs. SGC7901-NM-NC, after RNA-binding protein immunoprecipitation with Ago2 antibody, the experimental group (Ago2) vs. the control group (input) per array.

2012-06-19 | E-GEOD-38811 | biostudies-arrayexpress

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2015-05-29 | GSE69342 | GEO

Human gastric cancer cells SGC7901-NM RIP-Chip result: has-miR-625 lentivirus infected vs. control

Project description:Transcriptional profiling of RIP products of human gastric cancer cells SGC7901-NM comparing control with SGC7901-NM infected with has-miR-625 lentivirus

2012-06-20 | GSE38811 | GEO

Alteration of biological behavior caused by IRX1 overexpression in gastric cancer

Project description:To explore the functon of IRX1 in gastric cancer, we employed whole genome microarray expression profiling as a discovery platform to identify gene expression changes in three samples. We constructed the eukaryotic expression vector pEGFP-IRX1. The pEGFP-IRX1 expression vector was transfected into SGC-7901 gastric cancer cells by Lipofectamine 2000. The IRX1 protein was mainly observed in nuclei. Naive SGC7901 and empty vector pEGFP-N1 transfected cells were used as controls. Gene expression profiles were compared between parental gastric cancer cell line SGC7901 and cells transfected with pEGFP-IRX1 and pEGFP-N1.

2010-08-18 | E-GEOD-17399 | biostudies-arrayexpress

Next generation sequencing analysis of mRNA profile in cisplatin-resistant gastric cancer cell line SGC7901

Project description:Cisplatin-resistant gastric cancer (GC) occurs in patients with GC treated with cisplatin-based chemotherapy, which results in disease progression and early recurrence during the treatment. To understand the initiation and developmental mechanism underlying cisplatin-resistant GC, we developed cisplatin resistant SGC7901 cells (SGC7901/DDP) from the parental cells (SGC7901/S) by continuous exposure to increasing concentrations of cisplatin and subjected these two cell lines to RNA sequencing analysis.

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Knockdown of lncRNA ELF3-AS1 in two gastric cancer cell lines

Project description:Our data showed that ELF3-AS1 was a nuclear lncRNA, and its biofunction in cancers is largely unknown to date. To explore the function of lncRNA ELF3-AS1 in gastric cancer, loss-of-function study was performed in SGC7901 and AGS cell lines. RNA sequencing studies showed that the expression of almost all the histone coding genes were significantly increased after knocking down of ELF3-AS1 in SGC7901 and AGS cell lines.

2021-10-01 | GSE161291 | GEO

A novel lncRNA GAS1 promotes gastric carcinogenesis and acts as a modular scaffold of WDR5 and KAT2A complexes to specify the histone modification pattern [RNA-seq]

Project description:To elucidate whether GAS1 plays a role in gastric cancer tumorigenesis, a RNA-seq analysis was performed to compare the gene expression profiles of GAS1 shRNA and control shRNA transfectants.

2016-10-04 | GSE63764 | GEO

Identification of miR-194-5p target genes in gastric cancer

Project description:Increasing studies report that miR-194-5p plays a tumor suppressor role in gastric cancer (GC). Previous studies have revealed that miR-194 inhibited gastric cancer progression through different pathways by affecting the expression level of different target genes. For example, miR-194 have been reported to be able to regulate the expression of FOXM1, NR2F2, BMI1, SDAD1, RBX1, KDM5B, ZEB1 and AKT2 etc. It suggested that miR-194 may play complicated roles in GC. To figure out the mechanism of miR-194' tumor suppressor role in GC, we performed RNA sequencing in two different GC cell lines. Our studies showed that miR-194 tends to regulated target genes by binding on their 3' untranslated regions with either 7-mer-A1 or 7-mer-m8 or 8-mer. Approximately 138 genes were downregulated in both SGC7901 and BGC823 cell lines that transfected with miR-194-5p mimics compared to negative control siRNAs. Most of the downregulated genes have not reported yet.

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Homeobox gene IRX1 is a tumor suppressor gene in gastric carcinoma

2009-07-30 | GSE17399 | GEO

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