Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA140489 | ENA |
REPOSITORIES: ENA
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Project description:Transcripts upregulated or downregulated by knockdown of MUC1 were identified through expression profiling of a total of 12,135 genes in comparison with MKN45- MUC1 RNAi clones and control clones. We endeavored to identify genes which expression is affected by MUC1 by performing cDNA microarray analysis on two MKN45 MUC1 RNAi clones and one control clone.
2011-11-15 | E-GEOD-28975 | biostudies-arrayexpress
Project description:Transcripts upregulated or downregulated by knockdown of MUC1 were identified through expression profiling of a total of 12,135 genes in comparison with MKN45- MUC1 RNAi clones and control clones.
2011-11-15 | GSE28975 | GEO
Project description:Expression of SET7/9, a histone methyltransferase, was frequently reduced in cultured and primary gastric cancers. To identify the SET7/9 target genes in gastric cancer, we performed siRNA-based knockdown of SET7/9 in MKN74 and MKN45 cells and then examined significant expression changes of genes by microarray. Transfection of SET7/9 siRNA into MKN74 and MKN45 cells were performed by electroporation. After 48hrs, cells were harvested. Total RNA was used for cDNA microarray.
2015-07-24 | E-GEOD-59834 | biostudies-arrayexpress
Project description:Expression of SET7/9, a histone methyltransferase, was frequently reduced in cultured and primary gastric cancers. To identify the SET7/9 target genes in gastric cancer, we performed siRNA-based knockdown of SET7/9 in MKN74 and MKN45 cells and then examined significant expression changes of genes by microarray.
2015-07-24 | GSE59834 | GEO
Project description:Gastric cancer is a highly immunogenic malignancy. Immune tolerance facilitated by myeloid-derived suppressor cells (MDSCs) has been implicated in gastric cancer resistance mechanisms. The potential role of APE1 in regulating gastric cancer metastasis by targeting MDSCs remains uncertain. In this study, the plasmid Plxpsp-mGM-CSF was used to induce high expression of granulocyte-macrophage colony-stimulating factor (GM-CSF) in GES-1 cells. For tumor transplantation experiments, AGS, AGS+GM-CSF and AGS+GM-CSF-siAPE1 cell lines were established by transfection, followed by subcutaneous implantation of tumor cells. MDSCs, Treg cells, IgG, CD3 and CD8 levels were assessed. Transfection with siAPE1 significantly inhibited tumor growth compared to the AGS+GM-CSF group. APE1 gene knockdown modulated the immune system in gastric cancer mice, characterized by a decrease in MDSCs and an increase in Treg cells, IgG, CD3 and CD8. In addition, APE1 gene knockdown resulted in decreased levels of pro-MDSC cytokines (HGF, CCL5, IL-6, CCL12). Furthermore, APE1 gene knockdown inhibited proliferation, migration and invasion of AGS and MKN45 cells. AGS-GM-CSF cell transplantation increased MDSC levels and accelerated tumor growth, whereas APE1 knockdown reduced MDSC levels, inhibited tumor growth and attenuated inflammatory infiltration in gastric cancer tissues.
2024-06-05 | GSE262050 | GEO
Project description:In contrast to the decreasing trends in developed countries, the incidence and mortality rates of cervical cancer in China have increased significantly. Screening and identification of reliable biomarkers and candidate drug targets of cervical cancer are urgent to improve the survival rate and quality of life of patients. In this study, we demonstrated that MUC1 displayed elevation in cervical squamous cell carcinoma (CSCC). The expression of MUC1 was higher in neoplastic compared with non-neoplastic tissues of the cervix, indicated its potential in early diagnosis of cervical squamous cell carcinoma. Next, we explored the regulatory mechanism of MUC1 in CSCC. MUC1 overexpression promoted the proliferation and metastasis abilities of cervical cancer cells. MUC1 could regulate ERK phosphorylation, then upregulated ITGA2 and ITGA3 expression. Further knockdown of ITGA2 and ITGA3 significantly inhibited tumorigenesis of cervical cancer cells. Moreover, we designed a combination drug regimen with MUC1-siRNA and ERK inhibitor in vivo, founding that the combination of drugs achieved better results in animals with xenograft compared with targeting MUC1 alone. Taken together, we discovered a novel regulatory MUC1/ERK/ITGA2/3 pathway in cervical cancer that may serve as potential biomarkers and therapeutic targets in the future.
2023-08-21 | GSE241017 | GEO
Project description:In order to define YAP1-specific gene expression patterns in gastric cancer, the constitutively active mutant YAP1 (YAP1-S127A) was over-expressed in MKN45 gastric cancer cells. Defined gene expression signature was later used to stratify gastric cancer patients according to the presence of the YAP1-activated signature. Three groups of samples are included: 1. Mock control; 2. Vector control; 3. YAP-S127A expression. Gene expression profiles of YAP-S127A mutant-expressing cells were compared to that of mock and vector control. Experiments were done in MKN45 gastric cancer cells.
2013-10-01 | E-GEOD-41387 | biostudies-arrayexpress
Project description:In order to explore the effect of miRNA on TRAIL sensitivity of gastric cancer, we selected TRAIL-sensitive MKN45 and TRAIL-resistant BGC823 gastric cancer cell line. The expression of miRNA in MKN45 and BGC823 was detected by miRNA chip. "3" is the miRNA expression file of BGC823. "4" is the miRNA expression file of MKN45.
2020-05-24 | E-MTAB-9151 | biostudies-arrayexpress
Project description:To explain the mechanism that miR-29c affects the cell proliferation, we attempted to identify the miR-29c target genes in gastric carcinoma. The expression profiles in MKN45, MKN7 and MKN74 cells transfected with miR-29c oligo or Negative control oligo were obtained from microarray analysis. Then, the genes differentially expressed (Fold change >= 2.0) in miR-29c-transfected cells compared with negative control-transfected ones were identified in each cell lines, respectively. The differentially expressed genes shared among 3 cell lines were identified as the candidates for miR-29c targets. Human gastric cancer cell lines, MKN45, MKN74 and MKN7 were transfected with miR-29c oligo or negative control oligo (n=2) (Ambion). At 24h after, total RNA was extracted and microarray analysis was performed. The genes with common expression changes among three cell lines miR-29c-transfected were identified as the candidates for miR-29c targets.
2013-03-27 | E-GEOD-38581 | biostudies-arrayexpress
Project description:Identification of mRNAs modulated by knockdown of CD24
| PRJNA122683 | ENA